gold/ChangeLog

   1 2012-03-21  Cary Coutant  <ccoutant@google.com>
   2
   3         * Makefile.am: Add gdb-index.cc, gdb-index.h.
   4         * Makefile.in: Regenerate.
   5         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
   6         (Sized_elf_reloc_mapper::symbol_section): New function.
   7         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
   8         (make_elf_reloc_mapper): New function.
   9         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
  10         (Dwarf_abbrev_table::do_read_abbrevs): New function.
  11         (Dwarf_abbrev_table::do_get_abbrev): New function.
  12         (Dwarf_ranges_table::read_ranges_table): New function.
  13         (Dwarf_ranges_table::read_range_list): New function.
  14         (Dwarf_pubnames_table::read_section): New function.
  15         (Dwarf_pubnames_table::read_header): New function.
  16         (Dwarf_pubnames_table::next_name): New function.
  17         (Dwarf_die::Dwarf_die): New function.
  18         (Dwarf_die::read_attributes): New function.
  19         (Dwarf_die::skip_attributes): New function.
  20         (Dwarf_die::set_name): New function.
  21         (Dwarf_die::set_linkage_name): New function.
  22         (Dwarf_die::attribute): New function.
  23         (Dwarf_die::string_attribute): New function.
  24         (Dwarf_die::int_attribute): New function.
  25         (Dwarf_die::uint_attribute): New function.
  26         (Dwarf_die::ref_attribute): New function.
  27         (Dwarf_die::child_offset): New function.
  28         (Dwarf_die::sibling_offset): New function.
  29         (Dwarf_info_reader::check_buffer): New function.
  30         (Dwarf_info_reader::parse): New function.
  31         (Dwarf_info_reader::do_parse): New function.
  32         (Dwarf_info_reader::do_read_string_table): New function.
  33         (Dwarf_info_reader::lookup_reloc): New function.
  34         (Dwarf_info_reader::get_string): New function.
  35         (Dwarf_info_reader::visit_compilation_unit): New function.
  36         (Dwarf_info_reader::visit_type_unit): New function.
  37         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
  38         Sized_elf_reloc_mapper.
  39         (Sized_dwarf_line_info::symbol_section): Remove function.
  40         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
  41         (Sized_dwarf_line_info::read_line_mappings): Remove object
  42         parameter, adjust callers.
  43         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
  44         * dwarf_reader.h: Include <sys/types.h>.
  45         (class Track_relocs): Remove forward declaration.
  46         (class Elf_reloc_mapper): New class.
  47         (class Sized_elf_reloc_mapper): New class.
  48         (class Dwarf_abbrev_table): New class.
  49         (class Dwarf_range_list): New class.
  50         (class Dwarf_ranges_table): New class.
  51         (class Dwarf_pubnames_table): New class.
  52         (class Dwarf_die): New class.
  53         (class Dwarf_info_reader): New class.
  54         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
  55         (Sized_dwarf_line_info::symbol_section): Remove member function.
  56         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
  57         base class.
  58         * gdb-index.cc: New source file.
  59         * gdb-index.h: New source file.
  60         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
  61         and .debug_types sections, call Layout::add_to_gdb_index.
  62         (Sized_relobj_incr::do_section_name): Implement.
  63         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
  64         return type; Implement.
  65         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
  66         return type.
  67         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
  68         parameter list and return type.
  69         (Sized_incr_dynobj::do_section_contents): Likewise.
  70         * layout.cc: Include gdb-index.h.
  71         (Layout::Layout): Initialize gdb_index_data_.
  72         (Layout::init_fixed_output_section): Check for .gdb_index section.
  73         (Layout::add_to_gdb_index): New function. Instantiate.
  74         * layout.h: Add forward declaration for class Gdb_index.
  75         (Layout::add_to_gdb_index): New member function.
  76         (Layout::gdb_index_data_): New data member.
  77         * main.cc: Include gdb-index.h.
  78         (main): Print statistics for gdb index.
  79         * object.cc (Object::section_contents): Move code into
  80         do_section_contents.
  81         (need_decompressed_section): Check for sections needed when building
  82         gdb index.
  83         (build_compressed_section_map): Likewise.
  84         (Sized_relobj_file::do_read_symbols): Need local symbols when building
  85         gdb index.
  86         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
  87         sections; call Layout::add_to_gdb_index.
  88         (Sized_relobj_file::do_decompressed_section_contents): Call
  89         do_section_contents directly.
  90         * object.h (Object::do_section_contents): Adjust parameter list and
  91         return type.
  92         (Object::do_decompressed_section_contents): Call do_section_contents
  93         directly.
  94         (Sized_relobj_file::do_section_contents): Adjust parameter list and
  95         return type.
  96         * options.h (class General_options): Add --gdb-index option.
  97         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
  98         list and return type.
  99         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 100         * reloc.h (Track_relocs::checkpoint): New function.
 101         (Track_relocs::reset): New function.
 102
 103         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 104         New test cases.
 105         * testsuite/Makefile.in: Regenerate.
 106         * testsuite/gdb_index_test.cc: New test source file.
 107         * testsuite/gdb_index_test_1.sh: New test source file.
 108         * testsuite/gdb_index_test_2.sh: New test source file.
 109
 110 2012-03-19  Doug Kwan  <dougkwan@google.com>
 111
 112         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 113         (Target_arm::do_finalize_sections): Remove code which defines
 114         __exidx_start and __exidx_end.  Make symbol table parameter
 115         anonymous as it is not used.
 116         * gold.cc (queue_middle_tasks): Call target hook to define any
 117         target-specific symbols.
 118         * target.h (Target::define_standard_symbols): New method.
 119         (Target::do_define_standard_symbols): Same.
 120         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 121         * testsuite/Makefile.in: Regenerate.
 122         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 123         and __exidx_end.
 124         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 125         relocations are generated for __exidx_start and __exidx_end.
 126
 127 2012-03-16  Doug Kwan  <dougkwan@google.com>
 128
 129         * testsuite/Makefile.am: Disable test initpri3b.
 130         * testsuite/Makefile.in: Regenerate.
 131
 132 2012-03-15  Doug Kwan  <dougkwan@google.com>
 133
 134         * arm.cc (Target_arm::got_section): Make .got section read-only
 135         if -z now is given.
 136
 137 2012-03-15  Ian Lance Taylor  <iant@google.com>
 138
 139         PR gold/13850
 140         * layout.cc (Layout::make_output_section): Correctly mark
 141         SHT_INIT_ARRAY, et. al., as relro.
 142
 143 2012-03-14  Doug Kwan  <dougkwan@google.com>
 144
 145         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 146         dynamic relocations for protected symbols in shared objects.
 147
 148 2012-03-13  Ian Lance Taylor  <iant@google.com>
 149
 150         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 151         keep the larger alignment.
 152
 153 2012-03-12  Cary Coutant  <ccoutant@google.com>
 154
 155         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 156         handling of DW_LNE_define_file.
 157
 158 2012-03-12  Cary Coutant  <ccoutant@google.com>
 159
 160         * reduced_debug_output.cc
 161         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 162         codes to switch.
 163
 164 2012-02-29  Cary Coutant  <ccoutant@google.com>
 165
 166         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 167
 168 2012-02-29  Cary Coutant  <ccoutant@google.com>
 169
 170         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 171         Call Object::decompressed_section_contents.
 172         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 173         New dtor.
 174         (Sized_dwarf_line_info::buffer_start_): New data member.
 175         * merge.cc (Output_merge_data::do_add_input_section): Call
 176         Object::decompressed_section_contents.
 177         (Output_merge_string::do_add_input_section): Likewise.
 178         * object.cc (need_decompressed_section): New function.
 179         (build_compressed_section_map): Decompress sections needed later.
 180         (Sized_relobj_file::do_decompressed_section_contents): New function.
 181         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 182         * object.h (Object::decompressed_section_contents): New function.
 183         (Object::discard_decompressed_sections): New function.
 184         (Object::do_decompressed_section_contents): New function.
 185         (Object::do_discard_decompressed_sections): New function.
 186         (Compressed_section_info): New type.
 187         (Compressed_section_map): Include decompressed section contents.
 188         (Sized_relobj_file::do_decompressed_section_contents): New function.
 189         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 190
 191 2012-02-16  Cary Coutant  <ccoutant@google.com>
 192
 193         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 194         * testsuite/Makefile.in: Regenerate.
 195
 196 2012-02-14  Cary Coutant  <ccoutant@google.com>
 197
 198         * options.cc (General_options::finalize): Disallow -pie and -static.
 199
 200 2012-02-03  Doug Kwan  <dougkwan@google.com>
 201
 202         * arm.cc (Arm_relocate_functions::abs8,
 203         Arm_relocate_functions::abs16): Use
 204         Bits::has_signed_unsigned_overflow32.
 205         (Arm_relocate_functions::thm_abs8): Correct range of
 206         overflow check.
 207         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 208         in assertions.
 209
 210 2012-02-02  Doug Kwan  <dougkwan@google.com>
 211
 212         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 213         position independent outputs, not just shared objects.
 214
 215 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 216
 217         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 218         * configure: Regenerated.
 219
 220 2012-01-27  Ian Lance Taylor  <iant@google.com>
 221
 222         * reloc.h (Bits): New class with static functions, copied from
 223         namespace utils in arm.cc.
 224         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 225         instead.
 226
 227 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 228
 229         * incremental.cc (write_info_blocks): Correct relocation offset.
 230
 231 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 232
 233         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 234         (Relocate::tls_gd_to_le): Likewise.
 235
 236 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 237
 238         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 239
 240 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 241
 242         * configure.ac: Check if -mcmodel=medium works.
 243         * configure: Regenerated.
 244
 245 2012-01-24  Cary Coutant  <ccoutant@google.com>
 246
 247         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 248         definition and ...
 249         (read_unsigned_LEB_128_x): ... this new function.
 250         (read_signed_LEB_128): Replaced with inline definition and ...
 251         (read_signed_LEB_128_x): ... this new function.
 252         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 253         (read_unsigned_LEB_128): Add inline definition.
 254         (read_signed_LEB_128_x): New function.
 255         (read_signed_LEB_128): Add inline definition.
 256         * testsuite/Makefile.am (leb128_unittest): New unit test.
 257         * testsuite/Makefile.in: Regenerate.
 258         * testsuite/leb128_unittest.cc: New unit test.
 259
 260 2012-01-23  Ian Lance Taylor  <iant@google.com>
 261
 262         PR gold/13617
 263         * i386.cc (Target_i386::do_code_fill): When using a jmp
 264         instruction, pad with nop instructions.
 265         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 266
 267 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 268
 269         * x86_64.cc (gc_process_relocs): Add typename on types used in
 270         template.
 271         (scan_relocs): Likewise.
 272         (relocate_section): Likewise.
 273         (apply_relocation): Likewise.
 274
 275 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 276
 277         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 278         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 279         under x32.
 280
 281 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 282
 283         * x86_64.cc: Initial support for x32.
 284
 285 2012-01-03  Cary Coutant  <ccoutant@google.com>
 286
 287         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 288         Use abstract base class for GOT.
 289         * gold/output.h (class Output_data_got_base): New abstract base class.
 290         (class Output_data_got): Derive from new base class, adjust ctors.
 291         (Output_data_got::reserve_slot): Make virtual; rename to
 292         do_reserve_slot; Adjust callers.
 293         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 294         pointer to abstract base class.
 295         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 296
 297 2011-12-18  Ian Lance Taylor  <iant@google.com>
 298
 299         * object.h (Relobj::local_symbol_value): New function.
 300         (Relobj::local_plt_offset): New function.
 301         (Relobj::local_has_got_offset): New function.
 302         (Relobj::local_got_offset): New function.
 303         (Relobj::set_local_got_offset): New function.
 304         (Relobj::do_local_symbol_value): New pure virtual function.
 305         (Relobj::do_local_plt_offset): Likewise.
 306         (Relobj::do_local_has_got_offset): Likewise.
 307         (Relobj::do_local_got_offset): Likewise.
 308         (Relobj::do_set_local_got_offset): Likewise.
 309         (Sized_relobj::do_local_has_got_offset): Rename from
 310         local_has_got_offset.
 311         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 312         (Sized_relobj::do_set_local_got_offset): Rename from
 313         set_local_got_offset.
 314         (Sized_relobj_file::do_local_plt_offset): Rename from
 315         local_plt_offset.
 316         (Sized_relobj_file::do_local_symbol_value): New function.
 317         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 318         local_plt_offset.
 319         * output.cc (Output_data_got::Got_entry::write): Change object to
 320         Relobj.  Use local_symbol_value.
 321         (Output_data_got::add_global_with_rel): Change rel_dyn to
 322         Output_data_reloc_generic*.  Use add_global_generic.
 323         (Output_data_got::add_global_with_rela): Remove.  Change all
 324         callers to use add_global_with_rel.
 325         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 326         Output_data_reloc_generic*.  Use add_global_generic.
 327         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 328         callers to use add_global_pair_with_rel.
 329         (Output_data_got::add_local): Change object to Relobj*.
 330         (Output_data_got::add_local_plt): Likewise.
 331         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 332         change rel_dyn to Output_data_reloc_generic*.  Use
 333         add_local_generic.
 334         (Output_data_got::add_local_with_rela): Remove.  Change all
 335         callers to use all_local_with_rel.
 336         (Output_data_got::add_local_pair_with_rel): Change object to
 337         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 338         add_output_section_generic.
 339         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 340         callers to use add_local_pair_with_rel.
 341         (Output_data_got::reserve_local): Change object to Relobj*.
 342         * output.h: (class Output_data_reloc_generic): Add pure virtual
 343         declarations for add_global_generic, add_local_generic,
 344         add_output_section_generic.
 345         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 346         functions for Output_data_reloc_generic.  Update declarations for
 347         changes listed in output.cc.
 348         (class Output_data_got): Change template parameter to got_size.
 349         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 350         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 351         function.
 352         (Sized_relobj_incr::do_local_plt_offset): New function.
 353         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 354         add_global_generic.
 355
 356 2011-12-17  Cary Coutant  <ccoutant@google.com>
 357
 358         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 359         * resolve.cc (Symbol_table::resolve): Likewise.
 360         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 361         arrays.
 362         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 363
 364 2011-12-16  Ian Lance Taylor  <iant@google.com>
 365
 366         * output.h (Output_data_reloc_generic::add): Only call
 367         add_dynamic_reloc if this is a dynamic reloc section.
 368
 369 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 370
 371         PR gold/13505
 372         * target-reloc.h (apply_relocation): Replace <64, false> with
 373         <size, big_endian>.
 374
 375 2011-11-25  Nick Clifton  <nickc@redhat.com>
 376
 377         * po/it.po: New Italian translation.
 378
 379 2011-11-17  Sterling Augustine  <saugustine@google.com>
 380
 381         * script.cc (script_include_directive): Implement.
 382         (read_script_file): New local variables name and search_path. Update
 383         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 384         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 385         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 386
 387 2011-11-11  Sterling Augustine  <saugustine@google.com>
 388
 389         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 390         (file_or_sections_cmd): Likewise.
 391
 392 2011-11-11  Doug Kwan  <dougkwan@google.com>
 393
 394         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 395         if --just-symbols is given.
 396
 397 2011-11-10  Doug Kwan  <dougkwan@google.com>
 398
 399         PR gold/13362
 400         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 401         when processing data relocs.
 402         * reloc.h (Relocate_functions::rel_unaligned): New method.
 403         (Relocate_functions::pcrel_unaligned): Ditto.
 404         (Relocate_functions::rel32_unaligned): Ditto.
 405         (Relocate_functions::pcrel32_unaligned): Ditto.
 406
 407 2011-11-09  Doug Kwan  <dougkwan@google.com>
 408
 409         PR gold/13362
 410         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 411         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 412         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 413         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 414         (Relocate_functions::rel_unaligned): New.
 415         (Relocate_functions::rel32_unaligned): New.
 416         * target-reloc.h (relocate_for_relocatable): Add code to handle
 417         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 418         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 419         arm_unaligned_reloc_r): New targets.
 420         * testsuite/Makefile.in: Regenerate.
 421         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 422         linking.
 423
 424 2011-11-02  Ian Lance Taylor  <iant@google.com>
 425
 426         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 427         NATIVE_LINKER.
 428         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 429         * options.cc (General_options::finalize): Use library search path
 430         from configure script if specified.  If not native and no sysroot,
 431         only search TOOLLIBDIR.
 432         * options.h (Search_directory::Search_directory): Change name to
 433         const std::string&.
 434         (General_options::add_to_library_path_with_sysroot): Change arg to
 435         const std::string&.
 436         * configure, Makefile.in, config.in: Rebuild.
 437
 438 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 439
 440         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 441         we are working around the ARM1176 Erratum.
 442         * options.h (General_options::fix_arm1176): Add option.
 443         * testsuite/Makefile.am: Add testcases, and keep current ones
 444         working.
 445         * testsuite/Makefile.in: Regenerate.
 446         * testsuite/arm_fix_1176.s: New file.
 447         * testsuite/arm_fix_1176.sh: Likewise.
 448
 449 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 450
 451         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 452         may_use_blx_.
 453         (Target_arm::may_use_blx): Remove method.
 454         (Target_arm::set_may_use_blx): Likewise.
 455         (Target_arm::may_use_v4t_interworking): New method.
 456         (Target_arm::may_use_v5t_interworking): Likewise.
 457         (Target_arm::may_use_blx_): Remove member variable.
 458         (Arm_relocate_functions::arm_branch_common): Check for v5T
 459         interworking.
 460         (Arm_relocate_functions::thumb_branch_common): Likewise.
 461         (Reloc_stub::stub_type_for_reloc): Likewise.
 462         (Target_arm::do_finalize_sections): Correct interworking checks.
 463         * testsuite/Makefile.am: Add new tests.
 464         * testsuite/Makefile.in: Regenerate.
 465         * testsuite/arm_farcall_arm_arm.s: New test.
 466         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 467         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 468         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 469         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 470         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 471         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 472         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 473
 474 2011-10-31  Cary Coutant  <ccoutant@google.com>
 475
 476         PR gold/13023
 477         * expression.cc (Expression::eval_with_dot): Add
 478         is_section_dot_assignment parameter.
 479         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 480         absolute and assigning to dot within a section.
 481         * script-sections.cc
 482         (Output_section_element_assignment::set_section_addresses): Pass
 483         dot_section to set_if_absolute.
 484         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 485         as is_section_dot_assignment flag to eval_with_dot.
 486         (Output_section_element_dot_assignment::set_section_addresses):
 487         Likewise.
 488         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 489         parameter.  Also set value if relative to dot_section; set the
 490         symbol's output_section.
 491         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 492         parameter.  Adjust all callers.
 493         (Expression::eval_maybe_dot): Likewise.
 494         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 495         Adjust all callers.
 496         * testsuite/script_test_2.t: Test assignment of an absolute value
 497         to dot within an output section element.
 498
 499 2011-10-31  Cary Coutant  <ccoutant@google.com>
 500
 501         * options.h (class General_options): Add --[no-]gnu-unique options.
 502         * symtab.cc (Symbol_table::sized_write_globals): Convert
 503         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 504
 505 2011-10-31  Cary Coutant  <ccoutant@google.com>
 506
 507         PR gold/13359
 508         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 509         unnecessary assertion.
 510         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 511
 512 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 513
 514         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 515         gc_mark_symbol.
 516         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 517         gc_mark_symbol.
 518         Change to just keep the section associated with symbol.
 519         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 520         they are externally visible and --export-dynamic is turned on.
 521         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 522
 523 2011-10-19  Ian Lance Taylor  <iant@google.com>
 524
 525         PR gold/13163
 526         * script-sections.cc
 527         (Output_section_element_dot_assignment::needs_output_section): New
 528         function.
 529
 530 2011-10-19  Ian Lance Taylor  <iant@google.com>
 531
 532         PR gold/13204
 533         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 534         --section-start option was seen.
 535         * options.h (General_options::any_section_start): New function.
 536
 537 2011-10-18  David S. Miller  <davem@davemloft.net>
 538
 539         PR binutils/13301
 540         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 541         member to track relocation locations that have moved during TLS
 542         reloc optimizations.
 543         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 544         (Target_sparc::Relocate::relocate): Adjust view down by 4
 545         bytes if it matches reloc_adjust_addr_.
 546         (Target_sparc::Relocate::relocate_tls): Always move the
 547         __tls_get_addr call delay slot instruction forward 4 bytes when
 548         performing relaxation.
 549
 550 2011-10-18  Cary Coutant  <ccoutant@google.com>
 551
 552         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 553         (Output_file::map_no_anonymous): Check for non-zero
 554         return code from posix_fallocate.
 555
 556 2011-10-17  Cary Coutant  <ccoutant@google.com>
 557
 558         PR gold/13245
 559         * plugin.cc (is_visible_from_outside): Check for symbols
 560         referenced from dynamic objects.
 561         * resolve.cc (Symbol_table::resolve): Don't count references
 562         from dynamic objects as references from real ELF files.
 563         * testsuite/plugin_test_2.sh: Adjust expected result.
 564
 565 2011-10-17  Cary Coutant  <ccoutant@google.com>
 566
 567         * gold.cc: Include timer.h.
 568         (queue_middle_tasks): Stamp time.
 569         (queue_final_tasks): Likewise.
 570         * main.cc (main): Store timer in parameters.  Print timers
 571         for each pass.
 572         * parameters.cc (Parameters::Parameters): Initialize timer_.
 573         (Parameters::set_timer): New function.
 574         (set_parameters_timer): New function.
 575         * parameters.h (Parameters::set_timer): New function.
 576         (Parameters::timer): New function.
 577         (Parameters::timer_): New data member.
 578         (set_parameters_timer): New function.
 579         * timer.cc (Timer::stamp): New function.
 580         (Timer::get_pass_time): New function.
 581         * timer.h (Timer::stamp): New function.
 582         (Timer::get_pass_time): New function.
 583         (Timer::pass_times_): New data member.
 584
 585 2011-10-17  Cary Coutant  <ccoutant@google.com>
 586
 587         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 588         task for members of lib groups.
 589
 590 2011-10-17  Cary Coutant  <ccoutant@google.com>
 591
 592         PR gold/13288
 593         * fileread.cc (File_read::find_view): Add assert.
 594         (File_read::make_view): Move bounds check (replace with assert)...
 595         (File_read::find_or_make_view): ... to here.
 596
 597 2011-10-12  Cary Coutant  <ccoutant@google.com>
 598
 599         * output.cc (Output_file::open_base_file): Handle case where
 600         ::read returns less than requested size.
 601
 602 2011-10-10  Cary Coutant  <ccoutant@google.com>
 603
 604         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 605         Initialize defined_count_.
 606         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 607         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 608         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 609         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 610         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 611         * incremental.h (Sized_relobj_incr::defined_count_): New data
 612         member.
 613         (Sized_incr_dynobj::defined_count_): New data member.
 614         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 615         Return zeroes instead of internal error.
 616
 617 2011-10-10  Cary Coutant  <ccoutant@google.com>
 618
 619         PR gold/13249
 620         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 621         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 622         * output.h (class Output_reloc): Add use_plt_offset flag.
 623         (Output_reloc::type_): Adjust size of bit field.
 624         (Output_reloc::use_plt_offset_): New bit field.
 625         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 626         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 627         flag.  Adjust all callers.
 628         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 629         creating RELATIVE relocations.
 630
 631 2011-10-10  Nick Clifton  <nickc@redhat.com>
 632
 633         * po/es.po: Updated Spanish translation.
 634         * po/fi.po: Updated Finnish translation.
 635
 636 2011-10-03   Diego Novillo  <dnovillo@google.com>
 637
 638         * options.cc (parse_uint): Fix dereference of RETVAL.
 639
 640 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 641
 642         * layout.h (section_order_map_): New member.
 643         (get_section_order_map): New member function.
 644         * output.cc (Output_section::add_input_section): Check for patterns
 645         only when --section-ordering-file is specified.
 646         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 647         output_sections have been formed.
 648         * layout.cc (Layout_Layout): Initialize section_order_map_.
 649         * plugin.cc (update_section_order): Store order in order_map. Do not
 650         update the order.
 651         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 652         * testsuite/Makefile.in: Regenerate.
 653         * testsuite/plugin_section_order.c: New file.
 654         * testsuite/plugin_final_layout.cc: New file.
 655         * testsuite/plugin_final_layout.sh: New file.
 656
 657 2011-09-29  Cary Coutant  <ccoutant@google.com>
 658
 659         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 660         Check for NULL.
 661         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 662         symbols during incremental update.
 663         (Symbol_table::add_from_dynobj): Likewise.
 664
 665 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 666             Ian Lance Taylor  <iant@google.com>
 667
 668         * symtab.cc (Symbol_table::define_special_symbol): Always
 669         canonicalize version string.
 670
 671 2011-09-26  Cary Coutant  <ccoutant@google.com>
 672
 673         * gold.cc (queue_initial_tasks): Move option checks ...
 674         * options.cc (General_options::finalize): ... to here. Disable
 675         some options; make others fatal.
 676
 677 2011-09-26  Cary Coutant  <ccoutant@google.com>
 678
 679         gcc PR lto/47247
 680         * plugin.cc (get_symbols_v2): New function.
 681         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 682         (is_referenced_from_outside): New function.
 683         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 684         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 685         (get_symbols): Pass version parameter.
 686         (get_symbols_v2): New function.
 687         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 688         parameter.
 689         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 690         (onload): Add LDPT_GET_SYMBOLS_V2.
 691         (all_symbols_read_hook): Use get_symbols_v2; check for
 692         LDPR_PREVAILING_DEF_IRONLY_EXP.
 693         * testsuite/plugin_test_3.sh: Update expected results.
 694
 695 2011-09-23  Simon Baldwin  <simonb@google.com>
 696
 697         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 698         configuration options.
 699         * configure: Regenerate.
 700         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 701         * Makefile.in: Regenerate.
 702         * testsuite/Makefile.in: Regenerate.
 703
 704 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 705
 706         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 707
 708 2011-09-19  Cary Coutant  <ccoutant@google.com>
 709
 710         * incremental.cc (can_incremental_update): Fix typo in comment.
 711         * incremental.h (can_incremental_update): Likewise.
 712
 713 2011-09-18  Cary Coutant  <ccoutant@google.com>
 714
 715         * incremental.cc (can_incremental_update): New function.
 716         * incremental.h (can_incremental_update): New function.
 717         * layout.cc (Layout::init_fixed_output_section): Call it.
 718         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 719         * object.cc (Sized_relobj_file::do_layout): Call
 720         can_incremental_update.
 721
 722 2011-09-13  Cary Coutant  <ccoutant@google.com>
 723
 724         * configure.ac: Check for glibc support for gnu_indirect_function
 725         support with static linking, setting automake conditional
 726         IFUNC_STATIC.
 727         * Makefile.in: Regenerate.
 728         * configure: Regenerate.
 729
 730         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 731         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 732         for IFUNC_STATIC.
 733         * testsuite/Makefile.in: Regenerate.
 734
 735 2011-09-13  Cary Coutant  <ccoutant@google.com>
 736
 737         * incremental.cc (Sized_relobj_incr::do_layout): Call
 738         report_comdat_group for kept comdat sections.
 739         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 740         * testsuite/Makefile.in: Regenerate.
 741         * testsuite/incr_comdat_test_1.cc: New source file.
 742         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 743         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 744         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 745
 746 2011-09-13  Ian Lance Taylor  <iant@google.com>
 747
 748         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 749         variable external_symbols_offset.
 750
 751 2011-09-12  Ian Lance Taylor  <iant@google.com>
 752
 753         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 754         triggered if object has no symbols.
 755
 756 2011-09-09  David S. Miller  <davem@davemloft.net>
 757
 758         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 759         (Output_fill_debug_line::do_write): Likewise.
 760
 761 2011-08-29  Cary Coutant  <ccoutant@google.com>
 762
 763         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 764         casts to match formatting specs.
 765         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 766
 767 2011-08-26  Cary Coutant  <ccoutant@google.com>
 768
 769         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 770         remaining hole size when allocating.
 771         (Layout::make_output_section): Set fill methods for debug sections.
 772         * layout.h (Free_list::Free_list_node): Move from private to
 773         public.
 774         (Free_list::set_min_hole_size): New function.
 775         (Free_list::begin, Free_list::end): New functions.
 776         (Free_list::min_hole_): New data member.
 777         * output.cc: Include dwarf.h.
 778         (Output_fill_debug_info::do_minimum_hole_size): New function.
 779         (Output_fill_debug_info::do_write): New function.
 780         (Output_fill_debug_line::do_minimum_hole_size): New function.
 781         (Output_fill_debug_line::do_write): New function.
 782         (Output_section::Output_section): Initialize new data member.
 783         (Output_section::set_final_data_size): Ensure patch space is larger
 784         than minimum hole size.
 785         (Output_section::do_write): Fill holes in debug sections.
 786         * output.h (Output_fill): New class.
 787         (Output_fill_debug_info): New class.
 788         (Output_fill_debug_line): New class.
 789         (Output_section::set_free_space_fill): New function.
 790         (Output_section::free_space_fill_): New data member.
 791         * testsuite/Makefile.am (incremental_test_3): Add
 792         --incremental-patch option.
 793         (incremental_test_4): Likewise.
 794         (incremental_test_5): Likewise.
 795         (incremental_test_6): Likewise.
 796         (incremental_copy_test): Likewise.
 797         (incremental_common_test_1): Likewise.
 798         * testsuite/Makefile.in: Regenerate.
 799
 800 2011-08-26  Nick Clifton  <nickc@redhat.com>
 801
 802         * po/es.po: Updated Spanish translation.
 803
 804 2011-08-01  Cary Coutant  <ccoutant@google.com>
 805
 806         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 807         * gold/testsuite/Makefile.in: Regenerate.
 808         * gold/testsuite/justsyms_exec.c: New source file.
 809         * gold/testsuite/justsyms_lib.c: New source file.
 810
 811 2011-08-01  Cary Coutant  <ccoutant@google.com>
 812
 813         * layout.cc (Layout::set_segment_offsets): Don't realign text
 814         segment if -Ttext was specified.
 815         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 816         file type.
 817         * object.h (Sized_relobj_file::e_type): New function.
 818         (Sized_relobj_file::e_type_): New data member.
 819         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 820         base address for ET_EXEC files.
 821         * target.cc (Target::do_make_elf_object_implementation): Allow
 822         ET_EXEC files with --just-symbols option.
 823
 824 2011-07-28  Cary Coutant  <ccoutant@google.com>
 825
 826         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 827         Add thread_number parameter.
 828         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 829         * workqueue-threads.cc
 830         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 831         current thread if its thread number is greater than desired thread
 832         count.
 833         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 834         Add thread_number parameter.
 835         (Workqueue::should_cancel_thread): Likewise.
 836         (Workqueue::find_runnable_or_wait): Pass thread_number to
 837         should_cancel_thread.
 838         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 839         parameter.
 840
 841 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 842
 843         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 844         only after checking if it cannot be forced local.
 845         * symtab.h (is_externally_visible): Check if the symbol is not forced
 846         local.
 847
 848 2011-07-15  Ian Lance Taylor  <iant@google.com>
 849
 850         * options.h (class General_options): Add --print-output-format.
 851         Move -EL next to -EB, for  better --help output.
 852         * target-select.cc: Include <cstdio>, "options.h", and
 853         "parameters.h".
 854         (Target_selector::do_target_bfd_name): New function.
 855         (print_output_format): New function.
 856         * target-select.h (class Target_selector): Update declarations.
 857         (Target_selector::target_bfd_name): New function.
 858         (print_output_format): Declare.
 859         * main.cc: Include "target-select.h".
 860         (main): Handle --print-output-format.
 861         * gold.cc: Include "target-select.h".
 862         (queue_initial_tasks): Handle --print-output-format when there are
 863         no input files.
 864         * parameters.cc (parameters_force_valid_target): Give a better
 865         error message if -EB/-EL does not match target.
 866         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 867         function.
 868
 869 2011-07-15  Ian Lance Taylor  <iant@google.com>
 870
 871         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 872         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 873         (Output_data_plt_i386::do_write): Write address of .dynamic
 874         section to first entry in .got.plt section.
 875         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 876         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 877         Initialize layout_.
 878         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 879         section to first entry in .got.plt section.
 880         * layout.h (Layout::dynamic_section): New function.
 881
 882 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 883
 884         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 885         to claim_file call.
 886         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 887         input_section_position_, and input_section_glob_.
 888         (read_layout_from_file): Call function section_ordering_specified.
 889         * layout.h (is_section_ordering_specified): New function.
 890         (section_ordering_specified): New function.
 891         (section_ordering_specified_): New boolean member.
 892         * main.cc(main): Call load_plugins after layout object is defined.
 893         * output.cc (Output_section::add_input_section): Use
 894         function section_ordering_specified to check if section ordering is
 895         needed.
 896         * output.cc (Output_section::add_relaxed_input_section): Use
 897         function section_ordering_specified to check if section ordering is
 898         needed.
 899         (Output_section::update_section_layout): New function.
 900         (Output_section::sort_attached_input_sections): Check if input section
 901         must be reordered.
 902         * output.h (Output_section::update_section_layout): New function.
 903         * plugin.cc (get_section_count): New function.
 904         (get_section_type): New function.
 905         (get_section_name): New function.
 906         (get_section_contents): New function.
 907         (update_section_order): New function.
 908         (allow_section_ordering): New function.
 909         (Plugin::load): Add the new interfaces to the transfer vector.
 910         (Plugin_manager::load_plugins): New parameter.
 911         (Plugin_manager::all_symbols_read): New parameter.
 912         (Plugin_manager::claim_file): New parameter. Save the elf object for
 913         unclaimed objects.
 914         (Plugin_manager::get_elf_object): New function.
 915         (Plugin_manager::get_view): Change to directly use the bool to check
 916         if get_view is called from claim_file_hook.
 917         * plugin.h (input_objects): New function
 918         (Plugin__manager::load_plugins): New parameter.
 919         (Plugin_manager::claim_file): New parameter.
 920         (Plugin_manager::get_elf_object): New function.
 921         (Plugin_manager::in_claim_file_handler): New function.
 922         (Plugin_manager::in_claim_file_handler_): New member.
 923         (layout): New function.
 924         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 925         handler with an extra parameter. Make the elf object before calling
 926         claim_file handler.
 927         * testsuite/plugin_test.c (get_section_count): New function pointer.
 928         (get_section_type): New function pointer.
 929         (get_section_name): New function pointer.
 930         (get_section_contents): New function pointer.
 931         (update_section_order): New function pointer.
 932         (allow_section_ordering): New function pointer.
 933         (onload): Check if the new interfaces exist.
 934
 935 2011-07-13  Ian Lance Taylor  <iant@google.com>
 936
 937         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 938         relro section.
 939         * x86_64.cc (Target_x86_64::got_section): Likewise.
 940         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 941         (relro_now_test_SOURCES): New variable.
 942         (relro_now_test_DEPENDENCIES): New variable.
 943         (relro_now_test_LDFLAGS): New variable.
 944         (relro_now_test_LDADD): New variable.
 945         (relro_now_test.so): New target.
 946         * testsuite/Makefile.in: Rebuild.
 947
 948 2011-07-12  Ian Lance Taylor  <iant@google.com>
 949
 950         PR gold/12980
 951         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 952         GLOB_DAT relocation rather than a RELATIVE relocation for a
 953         protected symbol when creating a shared library.
 954         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 955         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 956         * testsuite/protected_main_1.cc (main): Test that protected
 957         function has same address.
 958
 959 2011-07-11  Ian Lance Taylor  <iant@google.com>
 960
 961         PR gold/12979
 962         * options.h (class General_options): Add -Bgroup.
 963         * options.cc (General_options::finalize): If -Bgroup is set,
 964         default to --unresolved-symbols=report-all.
 965         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 966         * target-reloc.h (issue_undefined_symbol_error): Handle
 967         --unresolved-symbols=report-all.
 968
 969 2011-07-08  Ian Lance Taylor  <iant@google.com>
 970
 971         PR gold/11985
 972         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 973         if linker script discards key sections.
 974         (Layout::create_dynamic_symtab): Likewise.
 975         (Layout::assign_local_dynsym_offsets): Likewise.
 976         (Layout::sized_create_version_sections): Likewise.
 977         (Layout::create_interp): Likewise.
 978         (Layout::finish_dynamic_section): Likewise.
 979         (Layout::set_dynamic_symbol_size): Likewise.
 980
 981 2011-07-08  Ian Lance Taylor  <iant@google.com>
 982
 983         PR gold/12386
 984         * options.h (class General_options): Add --unresolved-symbols.
 985         * target-reloc.h (issue_undefined_symbol_error): Check
 986         --unresolved-symbols.  Add comments.
 987
 988 2011-07-08  Ian Lance Taylor  <iant@google.com>
 989
 990         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 991         expression more complex.
 992
 993 2011-07-08  Ian Lance Taylor  <iant@google.com>
 994
 995         PR gold/11317
 996         * target-reloc.h (issue_undefined_symbol_error): New inline
 997         function, broken out of relocate_section.
 998         (relocate_section): Call issue_undefined_symbol_error.
 999         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1000         there is no TLS segment if we are about to issue an undefined
1001         symbol error.
1002         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1003
1004 2011-07-08  Ian Lance Taylor  <iant@google.com>
1005
1006         PR gold/12279
1007         * resolve.cc (Symbol_table::should_override): Add fromtype
1008         parameter.  Change all callers.  Give error when linking together
1009         TLS and non-TLS symbol.
1010         (Symbol_table::should_override_with_special): Add fromtype
1011         parameter.  Change all callers.
1012         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1013         there is no TLS segment if we have reported some errors.
1014         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1015
1016 2011-07-08  Ian Lance Taylor  <iant@google.com>
1017
1018         PR gold/12372
1019         * target.h (Target::plt_address_for_global): New function.
1020         (Target::plt_address_for_local): New function.
1021         (Target::plt_section_for_global): Remove.
1022         (Target::plt_section_for_local): Remove.
1023         (Target::do_plt_address_for_global): New virtual function.
1024         (Target::do_plt_address_for_local): New virtual function.
1025         (Target::do_plt_section_for_global): Remove.
1026         (Target::do_plt_section_for_local): Remove.
1027         (Target::register_global_plt_entry): Add Symbol_table and Layout
1028         parameters.
1029         * output.cc (Output_data_got::Got_entry::write): Use
1030         plt_address_for_global and plt_address_for_local.
1031         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1032         address of output section.
1033         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1034         got_irelative_, and irelative_count_ fields.  Update
1035         declarations.
1036         (Output_data_plt_i386::has_irelative_section): New function.
1037         (Output_data_plt_i386::entry_count): Add irelative_count_.
1038         (Output_data_plt_i386::set_final_data_size): Likewise.
1039         (class Target_i386): Add got_irelative_ and rel_irelative_
1040         fields.  Update declarations.
1041         (Target_i386::Target_i386): Initialize new fields.
1042         (Target_i386::do_plt_address_for_global): New function replacing
1043         do_plt_section_for_global.
1044         (Target_i386::do_plt_address_for_local): New function replacing
1045         do_plt_section_for_local.
1046         (Target_i386::got_section): Create got_irelative_.
1047         (Target_i386::rel_irelative_section): New function.
1048         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1049         fields.  Don't define __rel_iplt_{start,end}.
1050         (Output_data_plt_i386::add_entry): Add symtab and layout
1051         parameters.  Change all callers.  Use different PLT and GOT for
1052         IFUNC symbols.
1053         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1054         layout parameters.  Change all callers.  Use different PLT and
1055         GOT.
1056         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1057         (Output_data_plt_i386::rel_irelative): New function.
1058         (Output_data_plt_i386::address_for_global): New function.
1059         (Output_data_plt_i386::address_for_local): New function.
1060         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1061         IRELATIVE GOT when changing IFUNC GOT entries.
1062         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1063         reloc.
1064         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1065         if we didn't create an IRELATIVE GOT.
1066         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1067         plt_address_for_local.
1068         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1069         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1070         got_irelative_, and irelative_count_ fields.  Update
1071         declarations.
1072         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1073         Initialize new fields.  Remove symtab parameter.  Change all
1074         callers.
1075         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1076         irelative_count_.
1077         (Output_data_plt_x86_64::has_irelative_section): New function.
1078         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1079         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1080         fields.  Update declarations.
1081         (Target_x86_64::Target_x86_64): Initialize new fields.
1082         (Target_x86_64::do_plt_address_for_global): New function replacing
1083         do_plt_section_for_global.
1084         (Target_x86_64::do_plt_address_for_local): New function replacing
1085         do_plt_section_for_local.
1086         (Target_x86_64::got_section): Create got_irelative_.
1087         (Target_x86_64::rela_irelative_section): New function.
1088         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1089         all callers.  Don't create __rel_iplt_{start,end}.
1090         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1091         parameters.  Change all callers.  Use different PLT and GOT for
1092         IFUNC symbols.
1093         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1094         layout parameters.  Change all callers.  Use different PLT and
1095         GOT.
1096         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1097         parameters.  Change all callers.  Use different PLT and GOT for
1098         IFUNC symbols.
1099         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1100         (Output_data_plt_x86_64::rela_irelative): New function.
1101         (Output_data_plt_x86_64::address_for_global): New function.
1102         (Output_data_plt_x86_64::address_for_local): New function.
1103         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1104         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1105         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1106         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1107         parameters.
1108         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1109         reloc.
1110         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1111         symbols if we didn't create an IRELATIVE GOT.
1112         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1113         plt_address_for_local.
1114         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1115         * testsuite/ifuncvar1.c: New test file.
1116         * testsuite/ifuncvar2.c: New test file.
1117         * testsuite/ifuncvar3.c: New test file.
1118         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1119         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1120         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1121         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1122         * testsuite/Makefile.in: Rebuild.
1123
1124 2011-07-07  Cary Coutant  <ccoutant@google.com>
1125
1126         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1127         (two_file_test_1_ndebug.o): Likewise.
1128         (two_file_test_1b_ndebug.o): Likewise.
1129         (two_file_test_2_ndebug.o): Likewise.
1130         (two_file_test_main_ndebug.o): Likewise.
1131         (incremental_test_2): Link with no-debug versions.
1132
1133 2011-07-06  Cary Coutant  <ccoutant@google.com>
1134
1135         * gold/incremental.cc
1136         (Output_section_incremental_inputs::write_info_blocks): Check for
1137         hidden and internal symbols.
1138
1139 2011-07-06  Cary Coutant  <ccoutant@google.com>
1140
1141         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1142         Check disposition for startup file.
1143         (Incremental_inputs::report_command_line): Ignore
1144         --incremental-startup-unchanged option.
1145         * options.cc (General_options::parse_incremental_startup_unchanged):
1146         New function.
1147         (General_options::General_options): Initialize new data member.
1148         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1149         (General_options): Add --incremental-startup-unchanged option.
1150         (General_options::incremental_startup_disposition): New function.
1151         (General_options::incremental_startup_disposition_): New data member.
1152
1153 2011-07-06  Cary Coutant  <ccoutant@google.com>
1154
1155         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1156         input file index to Script_info ctor.
1157         (Sized_incremental_binary::do_file_has_changed): Find the
1158         command-line argument for files named in scripts.
1159         * incremental.h (Script_info::Script_info): New ctor
1160         with input file index.
1161         (Script_info::input_file_index): New function.
1162         (Script_info::input_file_index_): New data member.
1163         (Incremental_binary::get_library): Add const.
1164         (Incremental_binary::get_script_info): Add const.
1165         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1166         * testsuite/Makefile.am (incremental_test_5): New test case.
1167         (incremental_test_6): New test case.
1168         * testsuite/Makefile.in: Regenerate.
1169
1170 2011-07-06  Cary Coutant  <ccoutant@google.com>
1171
1172         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1173         debug output when command lines differ.
1174
1175 2011-07-06  Cary Coutant  <ccoutant@google.com>
1176
1177         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1178         --incremental-patch option.
1179         * layout.cc (Free_list::allocate): Extend allocation beyond original
1180         end if enabled.
1181         (Layout::make_output_section): Mark sections that should get
1182         patch space.
1183         * options.cc (parse_percent): New function.
1184         * options.h (parse_percent): New function.
1185         (DEFINE_percent): New macro.
1186         (General_options): Add --incremental-patch option.
1187         * output.cc (Output_section::Output_section): Initialize new data
1188         members.
1189         (Output_section::add_input_section): Print section name when out
1190         of patch space.
1191         (Output_section::add_output_section_data): Likewise.
1192         (Output_section::set_final_data_size): Add patch space when
1193         doing --incremental-full.
1194         (Output_section::do_reset_address_and_file_offset): Remove patch
1195         space.
1196         (Output_segment::set_section_list_addresses): Print debug output
1197         only if --incremental-update.
1198         * output.h (Output_section::set_is_patch_space_allowed): New function.
1199         (Output_section::is_patch_space_allowed_): New data member.
1200         (Output_section::patch_space_): New data member.
1201         * parameters.cc (Parameters::incremental_full): New function.
1202         * parameters.h (Parameters::incremental_full): New function
1203         * testsuite/Makefile.am (incremental_test_2): Add test for
1204         --incremental-patch option.
1205         * testsuite/Makefile.in: Regenerate.
1206         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1207         (t18): Remove function body.
1208
1209 2011-07-05  Doug Kwan  <dougkwan@google.com>
1210
1211         PR gold/12771
1212         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1213         Arm_Address type for relocation result.
1214         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1215         overflow check.
1216         (Arm_relocate_functions::abs32): Use unaligned access.
1217         (Arm_relocate_functions::rel32): Ditto.
1218         (Arm_relocate_functions::prel31): Ditto.
1219         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1220         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1221         static data relocations.
1222         * testsuite/Makefile.in: Regnerate.
1223         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1224
1225 2011-07-05  Ian Lance Taylor  <iant@google.com>
1226
1227         PR gold/12392
1228         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1229         symbols if necessary.
1230         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1231
1232 2011-07-05  Ian Lance Taylor  <iant@google.com>
1233
1234         PR gold/12952
1235         * resolve.cc (Symbol::override_base_with_special): Simply override
1236         version with special symbol version, ignoring previous version.
1237
1238 2011-07-05  Ian Lance Taylor  <iant@google.com>
1239
1240         * object.cc (Sized_relobj_file::include_section_group): Add
1241         information to comment about signature location.
1242
1243 2011-07-02  Ian Lance Taylor  <iant@google.com>
1244
1245         PR gold/12957
1246         * options.h (class General_options): Add -f and -F.
1247         * options.cc (General_options::finalize): Fatal error if -f/-F
1248         are used without -shared.
1249         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1250
1251 2011-07-02  Ian Lance Taylor  <iant@google.com>
1252
1253         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1254
1255 2011-07-01  Ian Lance Taylor  <iant@google.com>
1256
1257         PR gold/12525
1258         PR gold/12952
1259         * resolve.cc (Symbol::override_base_with_special): Don't override
1260         the version if the overriding symbol has a different name.
1261         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1262         all callers.  If we give an error about an undefined version,
1263         define the base version if necessary.
1264         * dynobj.h (class Versions): Update declaration.
1265         * testsuite/weak_alias_test_5.cc: New file.
1266         * testsuite/weak_alias_test.script: New file.
1267         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1268         and versioned_alias have the right value, and call t2.
1269         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1270         weak_alias_test_5.so.
1271         (weak_alias_test_LDADD): Likewise.
1272         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1273         * testsuite/Makefile.in: Rebuild.
1274
1275 2011-07-01  Ian Lance Taylor  <iant@google.com>
1276
1277         PR gold/12525
1278         * options.h (class General_options): Support -z notext.
1279         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1280         -Wl,-z,notext.
1281         (two_file_shared_nonpic.so): Likewise.
1282         (two_file_shared_mixed.so): Likewise.
1283         (two_file_shared_mixed_1.so): Likewise.
1284         (weak_undef_lib_nonpic.so): Likewise.
1285         (alt/weak_undef_lib_nonpic.so): Likewise.
1286         (tls_test_shared_nonpic.so): Likewise.
1287         * testsuite/Makefile.in: Rebuild.
1288
1289 2011-07-01  Ian Lance Taylor  <iant@google.com>
1290
1291         PR gold/12525
1292         * configure.ac: Test whether static linking works, setting
1293         the automake conditional HAVE_STATIC.
1294         * testsuite/Makefile.am: Disable tests using -static if
1295         HAVE_STATIC is not true.
1296         * configure, testsuite/Makefile.in: Rebuild.
1297
1298 2011-07-01  Ian Lance Taylor  <iant@google.com>
1299
1300         PR gold/12525
1301         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1302         Assert if we see DW_EH_PE_indirect.
1303         * target.h (Target::ehframe_datarel_base): New function.
1304         (Target::do_ehframe_datarel_base): New target function.
1305         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1306         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1307         function.
1308
1309 2011-07-01  Ian Lance Taylor  <iant@google.com>
1310
1311         PR gold/12571
1312         * options.h (class General_options): Add
1313         --ld-generated-unwind-info.
1314         * ehframe.cc (Fde::write): Add address parameter.  Change all
1315         callers.  If associated with PLT, fill in address and size.
1316         (Cie::set_output_offset): Only add merge mapping if there is an
1317         object.
1318         (Cie::write): Add address parameter.  Change all callers.
1319         (Eh_frame::add_ehframe_for_plt): New function.
1320         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1321         input_offset_ fields into union u_, with new plt field.
1322         (Fde::Fde): Adjust for new union field.
1323         (Fde::Fde) [Output_data version]: New constructor.
1324         (Fde::add_mapping): Only add merge mapping if there is an object.
1325         (class Cie): Update declarations.
1326         (class Eh_frame): Declare add_ehframe_for_plt.
1327         * layout.cc (Layout::layout_eh_frame): Break out code into
1328         make_eh_frame_section, and call it.
1329         (Layout::make_eh_frame_section): New function.
1330         (Layout::add_eh_frame_for_plt): New function.
1331         * layout.h (class Layout): Update declarations.
1332         * merge.cc (Merge_map::add_mapping): Add assertion.
1333         * i386.cc: Include "dwarf.h".
1334         (class Output_data_plt_i386): Make first_plt_entry,
1335         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1336         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1337         and plt_eh_frame_fde.
1338         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1339         boundary.  Call add_eh_frame_for_plt if appropriate.
1340         * x86_64.cc: Include "dwarf.h".
1341         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1342         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1343         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1344         and plt_eh_frame_fde.
1345         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1346         appropriate.
1347
1348 2011-06-29  Ian Lance Taylor  <iant@google.com>
1349
1350         PR gold/12629
1351         * object.cc (Sized_relobj_file::layout_section): Change shdr
1352         parameter to be const.
1353         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1354         out of do_layout.
1355         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1356         appropriate.  Call layout_eh_frame_section.
1357         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1358         sections.
1359         * object.h (class Sized_relobj_file): Update declarations.
1360
1361 2011-06-29  Ian Lance Taylor  <iant@google.com>
1362
1363         PR gold/12652
1364         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1365         modifier.
1366         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1367
1368 2011-06-29  Ian Lance Taylor  <iant@google.com>
1369
1370         PR gold/12675
1371         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1372         SHT_X86_64_UNWIND.
1373         * layout.cc (Layout::layout_eh_frame): Likewise.
1374
1375 2011-06-29  Ian Lance Taylor  <iant@google.com>
1376
1377         PR gold/12695
1378         * layout.cc (Layout::symtab_section_shndx): New function.
1379         * layout.h (class Layout): Declare symtab_section_shndx.
1380         * output.cc (Output_section::write_header): Call it.
1381
1382 2011-06-29  Ian Lance Taylor  <iant@google.com>
1383
1384         PR gold/12818
1385         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1386         symbols which are not used in a relocation.
1387
1388 2011-06-28  Ian Lance Taylor  <iant@google.com>
1389
1390         PR gold/12898
1391         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1392         script create indistinguishable segments.
1393         (Layout::set_segment_offsets): Use stable_sort when sorting
1394         segments.  Pass this to Compare_segments constructor.
1395         * layout.h (class Layout): Make segment_precedes non-static.
1396         (class Compare_segments): Change from struct to class.  Add
1397         layout_ field.  Add constructor.
1398         * script-sections.cc
1399         (Script_sections::attach_sections_using_phdrs_clause): Rename
1400         local orphan to is_orphan.  Don't report failure to put empty
1401         section in segment.  On attachment failure, report name of
1402         section, and attach to first PT_LOAD segment.
1403
1404 2011-06-28  Ian Lance Taylor  <iant@google.com>
1405
1406         PR gold/12934
1407         * target-select.cc (Target_selector::Target_selector): Add
1408         emulation parameter.  Change all callers.
1409         (select_target_by_bfd_name): Rename from select_target_by_name.
1410         Change all callers.
1411         (select_target_by_emulation): New function.
1412         (supported_emulation_names): New function.
1413         * target-select.h (class Target_selector): Add emulation_ field.
1414         Update declarations.
1415         (Target_selector::recognize_by_bfd_name): Rename from
1416         recognize_by_name.  Change all callers.
1417         (Target_selector::supported_bfd_names): Rename from
1418         supported_names.  Change all callers.
1419         (Target_selector::recognize_by_emulation): New function.
1420         (Target_selector::supported_emulations): New function.
1421         (Target_selector::emulation): New function.
1422         (Target_selector::do_recognize_by_bfd_name): Rename from
1423         do_recognize_by_name.  Change all callers.
1424         (Target_selector::do_supported_bfd_names): Rename from
1425         do_supported_names.  Change all callers.
1426         (Target_selector::do_recognize_by_emulation): New function.
1427         (Target_selector::do_supported_emulations): New function.
1428         (select_target_by_bfd_name): Change name in declaration.
1429         (select_target_by_emulation): Declare.
1430         (supported_emulation_names): Declare.
1431         * parameters.cc (parameters_force_valid_target): Try to find
1432         target based on emulation from -m option.
1433         * options.h (class General_options): Change doc string for -m.
1434         * options.cc (help): Print emulations.
1435         (General_options::parse_V): Likewise.
1436         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1437         Add emulation parameter.  Change all callers.
1438
1439 2011-06-28  Ian Lance Taylor  <iant@google.com>
1440
1441         * target.h (class Target): Add osabi_ field.
1442         (Target::osabi): New function.
1443         (Target::set_osabi): New function.
1444         (Target::Target): Initialize osabi_.
1445         (Target::do_adjust_elf_header): Make pure virtual.
1446         (Sized_target::do_adjust_elf_header): Declare.
1447         * target.cc (Sized_target::do_adjust_elf_header): New function.
1448         (class Sized_target): Instantiate all versions.
1449         * freebsd.h (class Target_freebsd): Remove.
1450         (Target_selector_freebsd::do_recognize): Call set_osabi on
1451         Target.
1452         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1453         (Target_selector_freebsd::set_osabi): Remove.
1454         * i386.cc (class Target_i386): Inherit from Sized_target rather
1455         than Target_freebsd.
1456         * x86_64.cc (class Target_x86_64): Likewise.
1457
1458 2011-06-28  Ian Lance Taylor  <iant@google.com>
1459
1460         * target.h (Target::can_check_for_function_pointers): Rewrite.
1461         Make non-virtual.
1462         (Target::can_icf_inline_merge_sections): Likewise.
1463         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1464         (Target::Target_info): Add can_icf_inline_merge_sections field.
1465         (Target::do_can_check_for_function_pointers): New virtual
1466         function.
1467         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1468         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1469         from can_check_for_function_pointers, move in file.
1470         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1471         section_may_have_icf_unsafe_poineters, move in file.
1472         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1473         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1474         Rename from can_check_for_function_pointers, move in file.
1475         (Target_i386::can_icf_inline_merge_sections): Remove.
1476         (Target_i386::i386_info): Initialize
1477         can_icf_inline_merge_sections.
1478         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1479         Initialize can_icf_inline_merge_sections.
1480         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1481         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1482         Rename from can_check_for_function_pointers, move in file.
1483         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1484         (Target_x86_64::x86_64_info): Initialize
1485         can_icf_inline_merge_sections.
1486         * testsuite/testfile.cc (Target_test::test_target_info):
1487         Likewise.
1488         * icf.cc (get_section_contents): Correct formatting.
1489
1490 2011-06-27  Ian Lance Taylor  <iant@google.com>
1491
1492         * symtab.cc (Symbol::versioned_name): New function.
1493         (Symbol_table::add_to_final_symtab): Use versioned_name when
1494         appropriate.
1495         (Symbol_table::sized_write_symbol): Likewise.
1496         * symtab.h (class Symbol): Declare versioned_name.
1497         * stringpool.h (class Stringpool_template): Add variant of add
1498         which takes a std::basic_string.
1499         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1500         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1501         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1502         (ver_test_12.o): New target.
1503         * testsuite/Makefile.in: Rebuild.
1504
1505 2011-06-27  Doug Kwan  <dougkwan@google.com>
1506
1507         * arm.cc (Arm_relocate_functions::thm_jump8,
1508         Arm_relocate_functions::thm_jump11): Use a wider signed
1509         type to compute offset.
1510         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1511         arm_thm_jump8.
1512         * testsuite/Makefile.in: Regenerate.
1513         * testsuite/arm_branch_in_range.sh: Check test results of
1514         arm_thm_jump11 and arm_thm_jump8.
1515         * testsuite/arm_thm_jump11.s: New test source file.
1516         * testsuite/arm_thm_jump11.t: New linker script.
1517         * testsuite/arm_thm_jump8.s: New test source file.
1518         * testsuite/arm_thm_jump8.t: New linker script.
1519
1520 2011-06-24  Ian Lance Taylor  <iant@google.com>
1521
1522         * layout.cc: Include "object.h".
1523         (ctors_sections_in_init_array): New static variable.
1524         (Layout::is_ctors_in_init_array): New function.
1525         (Layout::layout): Add entry to ctors_sections_in_init_array if
1526         appropriate.
1527         * layout.h (class Layout): Declare is_ctors_in_init_array.
1528         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1529         is_ctors_reverse_view is set.
1530         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1531         all callers.  Set is_ctors_reverse_view field of View_size.
1532         (Sized_relobj_file::reverse_words): New function.
1533         * object.h (Sized_relobj_file::View_size): Add
1534         is_ctors_reverse_view field.
1535         (class Sized_relobj_file): Update declarations.
1536         * testsuite/initpri3.c: New test.
1537         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1538         initpri3b.
1539         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1540         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1541         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1542         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1543         * testsuite/Makefile.in: Rebuild.
1544
1545 2011-06-24  Cary Coutant  <ccoutant@google.com>
1546
1547         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1548         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1549         (debug_msg_cdebug.err): New targets.
1550         * testsuite/Makefile.in: Regenerate.
1551         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1552         Fix checks for link with shared library.
1553
1554 2011-06-24  Doug Kwan  <dougkwan@google.com>
1555
1556         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1557         skip empty text sections.
1558         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1559
1560 2011-06-22  Ian Lance Taylor  <iant@google.com>
1561
1562         PR gold/12910
1563         * options.h (class General_options): Add --ctors-in-init-array.
1564         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1565         friends as SHT_PROGBITS for merging sections.
1566         (Layout::layout): Remove special handling of .init_array and
1567         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1568         and .dtors if ctors_in_init_array.
1569         (Layout::make_output_section): Force correct section types for
1570         .init_array and friends.  Don't sort if doing relocatable link,
1571         Don't sort .ctors and .dtors if ctors_in_init_array.
1572         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1573         (Layout::output_section_name): Add relobj parameter.  Change all
1574         callers.  Handle .ctors. and .dtors. in code rather than table.
1575         Handle .ctors and .dtors if ctors_in_init_array.
1576         (Layout::match_file_name): New function, moved from output.cc.
1577         * layout.h (class Layout): Update declarations.
1578         * output.cc: Include "layout.h".
1579         (Input_section_sort_entry::get_priority): New function.
1580         (Input_section_sort_entry::match_file_name): Just call
1581         Layout::match_file_name.
1582         (Output_section::Input_section_sort_init_fini_compare::operator()):
1583         Handle .ctors and .dtors.  Sort by explicit priority rather than
1584         by name.
1585         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1586         * testsuite/initpri2.c: New test.
1587         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1588         (check_PROGRAMS): Add initpri2.
1589         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1590         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1591         * configure, testsuite/Makefile.in: Rebuild.
1592
1593 2011-06-19  Ian Lance Taylor  <iant@google.com>
1594
1595         PR gold/12880
1596         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1597         .interp section to a PT_INTERP segment even if we have seen a
1598         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1599         clause in a linker script.
1600         (Layout::finalize): Don't create a .interp section if we've
1601         already create a PT_INTERP segment.
1602         (Layout::create_interp): Always call choose_output_section (revert
1603         patch of 2011-06-17).  Don't create PT_INTERP segment.
1604         * script-sections.cc
1605         (Script_sections::create_note_and_tls_segments): Add a .interp
1606         section to a PT_INTERP segment even if we have seen a
1607         --dynamic-linker option.
1608
1609 2011-06-18  Ian Lance Taylor  <iant@google.com>
1610
1611         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1612         merely because a non-PT_LOAD segment has a dynamic reloc.
1613
1614 2011-06-18  Ian Lance Taylor  <iant@google.com>
1615
1616         * layout.cc (Layout::finish_dynamic_section): Don't create
1617         DT_FLAGS entry if not needed.
1618
1619 2011-06-18  Ian Lance Taylor  <iant@google.com>
1620
1621         PR gold/12745
1622         * layout.cc (Layout::layout_eh_frame): Correct handling of
1623         writable .eh_frame section.
1624
1625 2011-06-17  Ian Lance Taylor  <iant@google.com>
1626
1627         PR gold/12893
1628         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1629         symbol is redefined with the exact same object and value.
1630
1631 2011-06-17  Ian Lance Taylor  <iant@google.com>
1632
1633         PR gold/12880
1634         * layout.h (class Layout): Add interp_segment_ field.
1635         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1636         (Layout::attach_allocated_section_to_segment): If making shared
1637         library, put .interp section in PT_INTERP segment.
1638         (Layout::finalize): Also call create_interp if -dynamic-linker
1639         option was used.
1640         (Layout::create_interp): Assert that there is no PT_INTERP
1641         segment.  If not using a SECTIONS clause, use make_output_section.
1642         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1643         * script-sections.cc
1644         (Script_sections::create_note_and_tls_segments): If making shared
1645         library, put .interp section in PT_INTERP segment.
1646
1647 2011-06-17  Ian Lance Taylor  <iant@google.com>
1648
1649         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1650         when making a shared library.
1651
1652 2011-06-17  Ian Lance Taylor  <iant@google.com>
1653
1654         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1655         parameter.  Change all callers.  Don't issue warning about PC32
1656         against locally defined symbol.
1657
1658 2011-06-16  Ian Lance Taylor  <iant@google.com>
1659
1660         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1661         occurs in same object.
1662
1663 2011-06-14  Alan Modra  <amodra@gmail.com>
1664
1665         * po/POTFILES.in: Regenerate.
1666
1667 2011-06-09  Ian Lance Taylor  <iant@google.com>
1668
1669         * script-sections.cc
1670         (Orphan_output_section::set_section_addresses): For a relocatable
1671         link set address to 0.
1672
1673 2011-06-09  Cary Coutant  <ccoutant@google.com>
1674
1675         PR gold/12804
1676         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1677         used with --compress-debug-sections.
1678         * gold/object.cc (Sized_relobj_file::do_layout): Report
1679         uncompressed size of compressed input sections.
1680
1681 2011-06-08  Cary Coutant  <ccoutant@google.com>
1682
1683         PR gold/12804
1684         * testsuite/two_file_test_2_v1.cc: Change initialization of
1685         v2 to keep it in .data.
1686
1687 2011-06-07  Cary Coutant  <ccoutant@google.com>
1688
1689         * common.cc (Symbol_table::do_allocate_commons_list): Call
1690         gold_fallback.
1691         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1692         (Errors::fallback): New function.
1693         (gold_fallback): New function.
1694         * errors.h (Errors::fallback): New function.
1695         * gold.cc (gold_exit): Change status parameter to enum; adjust
1696         all callers.
1697         (queue_initial_tasks): Call gold_fallback.
1698         * gold.h: Include cstdlib.
1699         (Exit_status): New enum type.
1700         (gold_exit): Change status parameter to enum.
1701         (gold_fallback): New function.
1702         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1703         (Layout::create_symtab_sections): Likewise.
1704         (Layout::create_shdrs): Likewise.
1705         * main.cc (main): Adjust call to gold_exit.
1706         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1707         (Output_data_got::add_got_entry_pair): Likewise.
1708         (Output_section::add_input_section): Likewise.
1709         (Output_section::add_output_section_data): Likewise.
1710         (Output_segment::set_section_list_addresses): Likewise.
1711         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1712
1713 2011-06-07  Cary Coutant  <ccoutant@google.com>
1714
1715         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1716         for incremental links.
1717         * output.cc (Output_segment::set_section_list_addresses): Remove
1718         FIXME and test for TLS or BSS.
1719
1720 2011-06-07  Cary Coutant  <ccoutant@google.com>
1721
1722         * testsuite/Makefile.am: Add incremental_copy_test,
1723         incremental_common_test_1.
1724         * testsuite/Makefile.in: Regenerate.
1725         * testsuite/common_test_1_v1.c: New source file.
1726         * testsuite/common_test_1_v2.c: New source file.
1727         * testsuite/copy_test_v1.cc: New source file.
1728
1729 2011-06-07  Cary Coutant  <ccoutant@google.com>
1730
1731         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1732         update, allocate common from bss section's free list.
1733         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1734         linker-defined symbols.
1735         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1736         Skip GOT and PLT entries that are no longer referenced.
1737         (Output_section_incremental_inputs::write_info_blocks): Mark
1738         linker-defined symbols.
1739         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1740         * output.cc (Output_section::allocate): New function.
1741         * output.h (Output_section::allocate): New function.
1742         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1743         linker-defined symbols.
1744         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1745         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1746         (Symbol::init_base_output_data): Likewise.
1747         (Symbol::init_base_output_segment): Likewise.
1748         (Symbol::init_base_constant): Likewise.
1749         (Sized_symbol::init_output_data): Likewise.
1750         (Sized_symbol::init_output_segment): Likewise.
1751         (Sized_symbol::init_constant): Likewise.
1752         (Symbol_table::do_define_in_output_data): Likewise.
1753         (Symbol_table::do_define_in_output_segment): Likewise.
1754         (Symbol_table::do_define_as_constant): Likewise.
1755         * symtab.h (Symbol::is_predefined): New function.
1756         (Symbol::init_base_output_data): Add is_predefined parameter.
1757         (Symbol::init_base_output_segment): Likewise.
1758         (Symbol::init_base_constant): Likewise.
1759         (Symbol::is_predefined_): New data member.
1760         (Sized_symbol::init_output_data): Add is_predefined parameter.
1761         (Sized_symbol::init_output_segment): Likewise.
1762         (Sized_symbol::init_constant): Likewise.
1763         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1764
1765 2011-06-07  Cary Coutant  <ccoutant@google.com>
1766
1767         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1768         instead of emit_copy_reloc.
1769         (Copy_relocs::emit_copy_reloc): Refactor.
1770         (Copy_relocs::make_copy_reloc): New function.
1771         (Copy_relocs::add_copy_reloc): Remove.
1772         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1773         section.
1774         (Copy_relocs::make_copy_reloc): New function.
1775         (Copy_relocs::add_copy_reloc): Remove.
1776         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1777         unchanged input files.
1778         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1779         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1780         Reserve BSS space for COPY relocations.
1781         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1782         (Output_section_incremental_inputs::write_info_blocks): Record
1783         whether a symbol is copied from a shared object.
1784         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1785         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1786         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1787         (Incremental_input_entry_reader::get_output_symbol_index): Add
1788         is_copy parameter.
1789         (Incremental_binary::emit_copy_relocs): New function.
1790         (Incremental_binary::do_emit_copy_relocs): New function.
1791         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1792         new data member.
1793         (Sized_incremental_binary::add_copy_reloc): New function.
1794         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1795         (Sized_incremental_binary::Copy_reloc): New struct.
1796         (Sized_incremental_binary::Copy_relocs): New typedef.
1797         (Sized_incremental_binary::copy_relocs_): New data member.
1798         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1799         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1800         * target.h (Sized_target::emit_copy_reloc): New function.
1801         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1802
1803 2011-06-02  Cary Coutant  <ccoutant@google.com>
1804
1805         PR gold/12163
1806         * gold/archive.cc (Archive::Archive): Initialize new data member.
1807         (Archive::include_all_members): Return if archive has already been
1808         included.
1809         * gold/archive.h (Archive::include_all_members_): New data member.
1810
1811 2011-06-02  Nick Clifton  <nickc@redhat.com>
1812
1813         * dynobj.h: Fix spelling mistake in comment.
1814         * output.cc: Likewise.
1815
1816 2011-05-31  Doug Kwan  <dougkwan@google.com>
1817             Asier Llano
1818
1819         PR gold/12826
1820         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1821         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1822         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1823         redundant arm_exidx_test.so.
1824         * testsuite/Makefile.in: Regenerate.
1825         (check_SCRIPTS): Add pr12826.sh
1826         (check_DATA): Add pr12826.stdout
1827         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1828         * testsuite/pr12826.sh: New file.
1829         * testsuite/pr12826_1.s: Ditto.
1830         * testsuite/pr12826_1.s: Ditto.
1831
1832 2011-05-30  Ian Lance Taylor  <iant@google.com>
1833
1834         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1835         sections.
1836
1837 2011-05-29  Ian Lance Taylor  <iant@google.com>
1838
1839         PR gold/12804
1840         * testsuite/Makefile.am: Use different file name for two_file_test
1841         temporary file for each incremental test.
1842         * testsuite/Makefile.in: Rebuild.
1843
1844 2011-05-29  Ian Lance Taylor  <iant@google.com>
1845
1846         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1847         binary input file is empty.
1848
1849 2011-05-27  Ian Lance Taylor  <iant@google.com>
1850
1851         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1852         (ver_test_9.so): Likewise.
1853         * testsuite/Makefile.in: Rebuild.
1854
1855 2011-05-26 Cary Coutant  <ccoutant@google.com>
1856
1857         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1858         * incremental.cc (Incremental_inputs::report_input_section): Fix
1859         comment, indentation.
1860         (Incremental_inputs::report_comdat_group): New function.
1861         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1862         of data for incremental input file entry.
1863         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1864         group count, COMDAT group signatures.
1865         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1866         an unchanged input file.
1867         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1868         Initialize new data member.
1869         (Incremental_object_entry::add_comdat_group): New function.
1870         (Incremental_object_entry::get_comdat_group_count): New function.
1871         (Incremental_object_entry::get_comdat_signature_key): New function.
1872         (Incremental_object_entry::groups_): New data member.
1873         (Incremental_inputs::report_comdat_group): New function.
1874         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1875         data for incremental input file entry.
1876         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1877         (Incremental_input_entry_reader::get_input_section): Adjust size of
1878         data for incremental input file entry.
1879         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1880         (Incremental_input_entry_reader::get_comdat_group_signature): New
1881         function.
1882         * object.cc (Sized_relobj::include_section_group): Report kept
1883         COMDAT groups for incremental links.
1884
1885 2011-05-24  David Meyer  <pdox@google.com>
1886
1887         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1888         with name parameter.  Add found_name parameter.
1889         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1890         * dirsearch.h (class Dirsearch): Update declaration.
1891
1892 2011-05-24  Ian Lance Taylor  <iant@google.com>
1893
1894         * archive.cc (Library_base::should_include_member): Pull in object
1895         from archive if it defines the entry symbol.
1896         * parameters.cc (Parameters::entry): New function.
1897         * parameters.h (class Parameters): Declare entry.
1898         * output.h (class Output_file_header): Remove entry_ field.
1899         * output.cc (Output_file_header::Output_file_header): Remove entry
1900         parameter.  Change all callers.
1901         (Output_file_header::entry): Use parameters->entry.
1902         * gold.cc (queue_middle_tasks): Likewise.
1903         * plugin.cc (Plugin_hook::run): Likewise.
1904
1905 2011-05-24 Cary Coutant  <ccoutant@google.com>
1906
1907         * gold.cc (queue_initial_tasks): Pass incremental base filename
1908         to Output_file::open_base_file; don't print error message.
1909         * incremental-dump.cc (main): Adjust call to
1910         Output_file::open_for_modification.
1911         * incremental-dump.cc (main): Likewise.
1912         * incremental.cc (Incremental_inputs::report_command_line):
1913         Ignore --incremental-base option when comparing command lines.
1914         Ignore parameter when given as separate argument.
1915         * options.h (class General_options): Add --incremental-base.
1916         * output.cc (Output_file::Output_file):
1917         (Output_file::open_base_file): Add base_name and writable parameters;
1918         read base file into new file; print error message here.
1919         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1920         callers.
1921         * output.h (Output_file::open_for_modification): Rename to...
1922         (Output_file::open_base_file): ...this; add base_name and
1923         writable parameters; adjust all callers.
1924         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1925         callers.
1926         * testsuite/Makefile.am (incremental_test_4): Test
1927         --incremental-base.
1928         * testsuite/Makefile.in: Regenerate.
1929
1930 2011-05-24 Cary Coutant  <ccoutant@google.com>
1931
1932         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1933         incremental_test_4.
1934         * testsuite/Makefile.in: Regenerate.
1935         * testsuite/two_file_test_1_v1.cc: New test source file.
1936         * testsuite/two_file_test_1b_v1.cc: New test source file.
1937         * testsuite/two_file_test_2_v1.cc: New test source file.
1938
1939 2011-05-24 Cary Coutant  <ccoutant@google.com>
1940
1941         * dynobj.h (Dynobj::do_dynobj): New function.
1942         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1943         flag and soname for shared objects.
1944         * incremental.cc (Incremental_inputs::report_object): Make
1945         either Incremental_object_entry or Incremental_dynobj_entry; add
1946         soname to string table.
1947         (Incremental_inputs::report_input_section): Add assertion.
1948         (Output_section_incremental_inputs::set_final_data_size): Adjust
1949         type of input file entry for shared libraries; adjust size of
1950         shared library info entry.
1951         (Output_section_incremental_inputs::write_input_files): Write
1952         as_needed flag for shared libraries.
1953         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1954         of input file entry for shared libraries; write soname.
1955         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1956         soname from incremental info.
1957         * incremental.h (enum Incremental_input_flags): Add
1958         INCREMENTAL_INPUT_AS_NEEDED.
1959         (Incremental_input_entry::Incremental_input_entry): Initialize new
1960         data member.
1961         (Incremental_input_entry::set_as_needed): New function.
1962         (Incremental_input_entry::as_needed): New function.
1963         (Incremental_input_entry::do_dynobj_entry): New function.
1964         (Incremental_input_entry::as_needed_): New data member.
1965         (Incremental_object_entry::Incremental_object_entry): Don't check
1966         for shared library.
1967         (Incremental_object_entry::do_type): Likewise.
1968         (class Incremental_dynobj_entry): New class.
1969         (Incremental_input_entry_reader::as_needed): New function.
1970         (Incremental_input_entry_reader::get_soname): New function.
1971         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1972         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1973         size of shared library info entry.
1974         * layout.cc (Layout::finish_dynamic_section): Don't test for
1975         incremental link when adding DT_NEEDED entries.
1976         * object.h (Object::Object): Initialize new data member.
1977         (Object::dynobj): New function.
1978         (Object::set_as_needed): New function.
1979         (Object::as_needed): New function.
1980         (Object::do_dynobj): New function.
1981         (Object::as_needed_): New data member.
1982
1983 2011-05-24 Cary Coutant  <ccoutant@google.com>
1984
1985         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1986         info; adjust display of GOT entries.
1987         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1988         vector of input objects; remove file_status_.
1989         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1990         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1991         got_plt reader; call target hooks to reserve GOT entries.
1992         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1993         of input file info header and GOT info entry.
1994         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1995         relocation info.
1996         (Got_plt_view_info::got_descriptor): Remove.
1997         (Got_plt_view_info::sym_index): New data member.
1998         (Got_plt_view_info::input_index): New data member.
1999         (Local_got_offset_visitor::visit): Write input file index.
2000         (Global_got_offset_visitor::visit): Write 0 for input file index.
2001         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2002         with sym_index and input_index.
2003         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2004         incremental info GOT entry; replace got_descriptor with input_index.
2005         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2006         map from input file index to object.
2007         (Sized_relobj_incr::do_layout): Replace direct data member reference
2008         with accessor function.
2009         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2010         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2011         Adjust size of input file info header.
2012         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2013         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2014         (Incremental_input_entry_reader::get_input_section): Adjust size of
2015         input file info header.
2016         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2017         of incremental info GOT entry.
2018         (Incremental_got_plt_reader::get_got_desc): Remove.
2019         (Incremental_got_plt_reader::get_got_symndx): New function.
2020         (Incremental_got_plt_reader::get_got_input_index): New function.
2021         (Sized_incremental_binary::Sized_incremental_binary): Remove
2022         file_status_; add input_objects_.
2023         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2024         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2025         (Sized_incremental_binary::file_is_unchanged): Remove.
2026         (Sized_incremental_binary::set_input_object): New function.
2027         (Sized_incremental_binary::input_object): New function.
2028         (Sized_incremental_binary::file_status_): Remove.
2029         (Sized_incremental_binary::input_objects_): New data member.
2030         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2031         references.
2032         (Sized_relobj_incr::invalid_address): Move to base class.
2033         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2034         class.
2035         (Sized_relobj_incr::do_output_section_offset): Likewise.
2036         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2037         (Sized_relobj_incr::section_offsets_): Likewise.
2038         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2039         function.
2040         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2041         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2042         with accessor function.
2043         (Sized_relobj_file::do_layout): Likewise.
2044         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2045         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2046         (Sized_relobj_file::compute_final_local_value): Replace refs to
2047         section_offsets_ with accessor function.
2048         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2049         * object.h (Relobj::Relobj): Initialize new data members.
2050         (Relobj::add_dyn_reloc): New function.
2051         (Relobj::first_dyn_reloc): New function.
2052         (Relobj::dyn_reloc_count): New function.
2053         (Relobj::first_dyn_reloc_): New data member.
2054         (Relobj::dyn_reloc_count_): New data member.
2055         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2056         references.
2057         (Sized_relobj::Address): New typedef.
2058         (Sized_relobj::invalid_address): Move here from child class.
2059         (Sized_relobj::Sized_relobj): Initialize new data members.
2060         (Sized_relobj::sized_relobj): New function.
2061         (Sized_relobj::is_output_section_offset_invalid): Move here from
2062         child class.
2063         (Sized_relobj::get_output_section_offset): Likewise.
2064         (Sized_relobj::local_has_got_offset): Likewise.
2065         (Sized_relobj::local_got_offset): Likewise.
2066         (Sized_relobj::set_local_got_offset): Likewise.
2067         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2068         (Sized_relobj::clear_got_offsets): New function.
2069         (Sized_relobj::section_offsets): Move here from child class.
2070         (Sized_relobj::do_output_section_offset): Likewise.
2071         (Sized_relobj::do_set_section_offset): Likewise.
2072         (Sized_relobj::Local_got_offsets): Likewise.
2073         (Sized_relobj::local_got_offsets_): Likewise.
2074         (Sized_relobj::section_offsets_): Likewise.
2075         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2076         references.
2077         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2078         class.
2079         (Sized_relobj_file::sized_relobj): New function
2080         (Sized_relobj_file::local_has_got_offset): Move to base class.
2081         (Sized_relobj_file::local_got_offset): Likewise.
2082         (Sized_relobj_file::set_local_got_offset): Likewise.
2083         (Sized_relobj_file::get_output_section_offset): Likewise.
2084         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2085         (Sized_relobj_file::do_output_section_offset): Likewise.
2086         (Sized_relobj_file::do_set_section_offset): Likewise.
2087         (Sized_relobj_file::Local_got_offsets): Likewise.
2088         (Sized_relobj_file::local_got_offsets_): Likewise.
2089         (Sized_relobj_file::section_offsets_): Likewise.
2090         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2091         (all constructors).
2092         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2093         (Output_reloc::get_symbol_index): Likewise.
2094         (Output_reloc::local_section_offset): Likewise.
2095         (Output_reloc::get_address): Likewise.
2096         (Output_reloc::symbol_value): Likewise.
2097         (Output_data_got::reserve_slot): Move to class definition.
2098         (Output_data_got::reserve_local): New function.
2099         (Output_data_got::reserve_slot_for_global): Remove.
2100         (Output_data_got::reserve_global): New function.
2101         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2102         (all constructors, two instantiations).
2103         (Output_reloc::get_relobj): New function (two instantiations).
2104         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2105         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2106         (Output_data_reloc::add_global): Adjust type of relobj.
2107         (Output_data_reloc::add_global_relative): Likewise.
2108         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2109         (Output_data_reloc::add_local): Likewise.
2110         (Output_data_reloc::add_local_relative): Likewise.
2111         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2112         (Output_data_reloc::add_local_section): Likewise.
2113         (Output_data_reloc::add_output_section): Likewise.
2114         (Output_data_reloc::add_absolute): Likewise.
2115         (Output_data_reloc::add_target_specific): Likewise.
2116         (Output_data_got::reserve_slot): Move definition here.
2117         (Output_data_got::reserve_local): New function.
2118         (Output_data_got::reserve_global): New function.
2119         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2120         section_offsets_ with accessor function.
2121         (Sized_relobj_file::write_sections): Likewise.
2122         (Sized_relobj_file::do_relocate_sections): Likewise.
2123         * target.h (Sized_target::reserve_local_got_entry): New function.
2124         (Sized_target::reserve_global_got_entry): New function.
2125         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2126         (Target_x86_64::reserve_global_got_entry): New function.
2127         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2128
2129 2011-05-23 Cary Coutant  <ccoutant@google.com>
2130
2131         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2132         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2133         bit when checking got_type.
2134         * incremental.cc (Sized_incremental_binary::setup_readers):
2135         Store symbol table and string table locations; initialize bit vector
2136         of file status flags.
2137         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2138         unchanged files.
2139         (Sized_incremental_binary::do_process_got_plt): New function.
2140         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2141         (Output_section_incremental_inputs::set_final_data_size): Record
2142         file index for each input file.
2143         (Output_section_incremental_inputs::write_got_plt): Store file index
2144         instead of input entry offset for each GOT entry.
2145         * incremental.h
2146         (Incremental_input_entry::Incremental_input_entry): Initialize new
2147         data member.
2148         (Incremental_input_entry::set_offset): Store file index.
2149         (Incremental_input_entry::get_file_index): New function.
2150         (Incremental_input_entry::file_index_): New data member.
2151         (Incremental_binary::process_got_plt): New function.
2152         (Incremental_binary::do_process_got_plt): New function.
2153         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2154         data members.
2155         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2156         (Sized_incremental_binary::set_file_is_unchanged): New function.
2157         (Sized_incremental_binary::file_is_unchanged): New function.
2158         (Sized_incremental_binary::do_process_got_plt): New function.
2159         (Sized_incremental_binary::file_status_): New data member.
2160         (Sized_incremental_binary::main_symtab_loc_): New data member.
2161         (Sized_incremental_binary::main_strtab_loc_): New data member.
2162         * output.cc (Output_data_got::Got_entry::write): Add case
2163         RESERVED_CODE.
2164         (Output_data_got::add_global): Call add_got_entry.
2165         (Output_data_got::add_global_plt): Likewise.
2166         (Output_data_got::add_global_with_rel): Likewise.
2167         (Output_data_got::add_global_with_rela): Likewise.
2168         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2169         (Output_data_got::add_global_pair_with_rela): Likewise.
2170         (Output_data_got::add_local): Call add_got_entry.
2171         (Output_data_got::add_local_plt): Likewise.
2172         (Output_data_got::add_local_with_rel): Likewise.
2173         (Output_data_got::add_local_with_rela): Likewise.
2174         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2175         (Output_data_got::add_local_pair_with_rela): Likewise.
2176         (Output_data_got::reserve_slot): New function.
2177         (Output_data_got::reserve_slot_for_global): New function.
2178         (Output_data_got::add_got_entry): New function.
2179         (Output_data_got::add_got_entry_pair): New function.
2180         (Output_section::add_output_section_data): Edit FIXME.
2181         * output.h
2182         (Output_section_data_build::Output_section_data_build): New
2183         constructor with size parameter.
2184         (Output_data_space::Output_data_space): Likewise.
2185         (Output_data_got::Output_data_got): Initialize new data member; new
2186         constructor with size parameter.
2187         (Output_data_got::add_constant): Call add_got_entry.
2188         (Output_data_got::reserve_slot): New function.
2189         (Output_data_got::reserve_slot_for_global): New function.
2190         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2191         (Output_data_got::add_got_entry): New function.
2192         (Output_data_got::add_got_entry_pair): New function.
2193         (Output_data_got::free_list_): New data member.
2194         * target.h (Sized_target::init_got_plt_for_update): New function.
2195         (Sized_target::register_global_plt_entry): New function.
2196         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2197         Initialize new data member; call init; add constructor with PLT count.
2198         (Output_data_plt_x86_64::init): New function.
2199         (Output_data_plt_x86_64::add_relocation): New function.
2200         (Output_data_plt_x86_64::reserve_slot): New function.
2201         (Output_data_plt_x86_64::free_list_): New data member.
2202         (Target_x86_64::init_got_plt_for_update): New function.
2203         (Target_x86_64::register_global_plt_entry): New function.
2204         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2205         incremental updates.
2206         (Output_data_plt_x86_64::add_relocation): New function.
2207         * testsuite/object_unittest.cc (Object_test): Set default options.
2208
2209 2011-05-16  Ian Lance Taylor  <iant@google.com>
2210
2211         * options.h (class General_options): Make -i a synonym for -r.
2212
2213 2011-05-16  Ian Lance Taylor  <iant@google.com>
2214
2215         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2216
2217 2011-05-10 Cary Coutant  <ccoutant@google.com>
2218
2219         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2220         strip_all (-s).
2221
2222 2011-05-06  Ian Lance Taylor  <iant@google.com>
2223
2224         * layout.cc (Layout::layout): If the output section flags change,
2225         update the ordering.
2226
2227 2011-04-25 Cary Coutant  <ccoutant@google.com>
2228
2229         * incremental-dump.cc (dump_incremental_inputs): Print local
2230         symbol info for each input file.
2231         * incremental.cc
2232         (Output_section_incremental_inputs::set_final_data_size): Add local
2233         symbol info to input file entries in incremental info.
2234         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2235         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2236         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2237         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2238         implementation.
2239         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2240         (Sized_incr_relobj::do_relocate): Write the local symbols.
2241         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2242         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2243         Adjust size of input file header.
2244         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2245         (Incremental_inputs_reader::get_local_symbol_count): New function.
2246         (Incremental_inputs_reader::get_input_section): Adjust size of input
2247         file header.
2248         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2249         (Sized_incr_relobj::This): New typedef.
2250         (Sized_incr_relobj::sym_size): New const data member.
2251         (Sized_incr_relobj::Local_symbol): New struct.
2252         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2253         (Sized_incr_relobj::do_local_symbol_offset): New function.
2254         (Sized_incr_relobj::local_symbol_count_): New data member.
2255         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2256         (Sized_incr_relobj::local_symbol_index_): New data member.
2257         (Sized_incr_relobj::local_symbol_offset_): New data member.
2258         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2259         (Sized_incr_relobj::local_symbols_): New data member.
2260         * object.h (Relobj::output_local_symbol_count): New function.
2261         (Relobj::local_symbol_offset): New function.
2262         (Relobj::do_output_local_symbol_count): New function.
2263         (Relobj::do_local_symbol_offset): New function.
2264         (Sized_relobj::do_output_local_symbol_count): New function.
2265         (Sized_relobj::do_local_symbol_offset): New function.
2266
2267 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2268
2269         * descriptors.cc (set_close_on_exec): New function.
2270         (Descriptors::open): Use set_close_on_exec.
2271         * output.cc (S_ISLNK): Define if not defined.
2272
2273 2011-04-22 Cary Coutant  <ccoutant@google.com>
2274
2275         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2276         global symbol map.
2277         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2278         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2279         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2280         relocations.
2281         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2282         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2283         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2284         * incremental.h
2285         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2286         function.
2287         (Incremental_binary::apply_incremental_relocs): New function.
2288         (Incremental_binary::do_apply_incremental_relocs): New function.
2289         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2290         data member.
2291         (Sized_incremental_binary::add_global_symbol): New function.
2292         (Sized_incremental_binary::global_symbol): New function.
2293         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2294         (Sized_incremental_binary::symbol_map_): New data member.
2295         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2296         * target.h (Sized_target::apply_relocation): New function.
2297         * target-reloc.h (apply_relocation): New function.
2298         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2299
2300 2011-04-22  Doug Kwan  <dougkwan@google.com>
2301
2302         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2303         flag of a SHT_ARM_EXIDX section.
2304         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2305         * testsuite/Makefile.in: Regenerate.
2306         * testsuite/arm_exidx_test.s: New file.
2307         * testsuite/arm_exidx_test.sh: Same.
2308
2309 2011-04-20 Cary Coutant  <ccoutant@google.com>
2310
2311         PR gold/12689
2312         * archive.h (Incremental_archive_entry::Archive_member):
2313         Initialize arg_serial_ (second constructor).
2314
2315 2011-04-17  Ian Lance Taylor  <iant@google.com>
2316
2317         * object.cc (Relocate_info::location): Simplify location string.
2318         * errors.cc (Errors::error_at_location): Don't print program
2319         name.
2320         (Errors::warning_at_location): Likewise.
2321         (Errors::undefined_symbol): Likewise.
2322         * testsuite/debug_msg.sh: Update accordingly.
2323
2324 2011-04-14 Cary Coutant  <ccoutant@google.com>
2325
2326         * gold/layout.cc (Layout::symtab_section_offset): New function.
2327         * gold/layout.h (Layout::symtab_section_offset): New function.
2328         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2329
2330 2011-04-12  Ian Lance Taylor  <iant@google.com>
2331
2332         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2333         with MREMAP_MAYMOVE.
2334         * output.h (class Output_file): Add map_is_allocated_ field.
2335         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2336         not available, provide stubs.  If mremap is not available, #define
2337         it to gold_mremap.
2338         (MREMAP_MAYMOVE): Define if not defined.
2339         (Output_file::Output_file): Initialize map_is_allocated_.
2340         (Output_file::resize): Check map_is_allocated_.
2341         (Output_file::map_anonymous): If mmap fails, use malloc.
2342         (Output_file::unmap): Don't do anything for an anonymous map.
2343         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2344         is not available, provide stubs.
2345         (File_read::View::~View): Use free rather than delete[].
2346         (File_read::make_view): Use malloc rather than new[].  If mmap
2347         fails, use malloc.
2348         (File_read::find_or_make_view): Use malloc rather than new[].
2349         * gold.h: Remove HAVE_REMAP code.
2350         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2351         exists.  Rename mremap to gold_mremap.  If mmap is not available
2352         don't do anything.
2353         * configure, config.in: Rebuild.
2354
2355 2011-04-11  Ian Lance Taylor  <iant@google.com>
2356
2357         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2358         initialize local variable v.
2359
2360 2011-04-11  Cary Coutant  <ccoutant@google.com>
2361
2362         * archive.cc (Archive::include_member): Adjust call to
2363         report_object.
2364         (Add_archive_symbols::run): Track argument serial numbers.
2365         (Lib_group::include_member): Likewise.
2366         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2367         * archive.h (Incremental_archive_entry::Archive_member):
2368         Initialize arg_serial_.
2369         (Archive_member::arg_serial_): New data member.
2370         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2371         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2372         incremental link.
2373         (Sized_dynobj::do_for_all_local_got_entries): New function.
2374         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2375         function.
2376         * fileread.cc (get_mtime): New function.
2377         * fileread.h (get_mtime): New function.
2378         * gold.cc (queue_initial_tasks): Check for incremental update.
2379         (process_incremental_input): New function.
2380         (queue_middle_tasks): Don't force valid target for incremental
2381         update.
2382         * incremental-dump.cc (find_input_containing_global): Adjust
2383         size of symbol info entry.
2384         (dump_incremental_inputs): Dump argument serial number and
2385         in_system_directory flag; bias shndx by 1; print symbol names
2386         when dumping per-file symbol lists; use new symbol info readers.
2387         * incremental.cc
2388         (Output_section_incremental_inputs:update_data_size): New function.
2389         (Sized_incremental_binary::setup_readers): Setup input readers
2390         for each input file; build maps for files added from libraries
2391         and scripts.
2392         (Sized_incremental_binary::check_input_args): New function.
2393         (Sized_incremental_binary::do_check_inputs): Build map of argument
2394         serial numbers to input arguments.
2395         (Sized_incremental_binary::do_file_has_changed): Rename
2396         do_file_is_unchanged to this; compare file modification times.
2397         (Sized_incremental_binary::do_init_layout): New function.
2398         (Sized_incremental_binary::do_reserve_layout): New function.
2399         (Sized_incremental_binary::do_get_input_reader): Remove.
2400         (Sized_incremental_binary::get_symtab_view): New function.
2401         (Incremental_checker::can_incrementally_link_output_file): Remove.
2402         (Incremental_inputs::report_command_line): Exclude --debug options.
2403         (Incremental_inputs::report_archive_begin): Add parameter; track
2404         argument serial numbers; don't put input file entry for archive
2405         before archive members.
2406         (Incremental_inputs::report_archive_end): Put input file entry
2407         for archive after archive members.
2408         (Incremental_inputs::report_object): Add parameter; track argument
2409         serial numbers and in_system_directory flag.
2410         (Incremental_inputs::report_script): Add parameter; track argument
2411         serial numbers.
2412         (Output_section_incremental_inputs::set_final_data_size): Adjust
2413         size of symbol info entry; check for forwarding symbols.
2414         (Output_section_incremental_inputs::write_input_files): Write
2415         in_system_directory flag and argument serial number.
2416         (Output_section_incremental_inputs::write_info_blocks): Map section
2417         indices between incremental info and original input file; store
2418         input section index for each symbol.
2419         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2420         change operator() to visit().
2421         (class Global_got_offset_visitor): Likewise.
2422         (class Global_symbol_visitor_got_plt):
2423         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2424         classes.
2425         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2426         (Sized_incr_relobj::do_read_symbols): New function.
2427         (Sized_incr_relobj::do_layout): New function.
2428         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2429         (Sized_incr_relobj::do_add_symbols): New function.
2430         (Sized_incr_relobj::do_should_include_member): New function.
2431         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2432         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2433         (Sized_incr_relobj::do_section_size): New function.
2434         (Sized_incr_relobj::do_section_name): New function.
2435         (Sized_incr_relobj::do_section_contents): New function.
2436         (Sized_incr_relobj::do_section_flags): New function.
2437         (Sized_incr_relobj::do_section_entsize): New function.
2438         (Sized_incr_relobj::do_section_address): New function.
2439         (Sized_incr_relobj::do_section_type): New function.
2440         (Sized_incr_relobj::do_section_link): New function.
2441         (Sized_incr_relobj::do_section_info): New function.
2442         (Sized_incr_relobj::do_section_addralign): New function.
2443         (Sized_incr_relobj::do_initialize_xindex): New function.
2444         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2445         (Sized_incr_relobj::do_read_relocs): New function.
2446         (Sized_incr_relobj::do_gc_process_relocs): New function.
2447         (Sized_incr_relobj::do_scan_relocs): New function.
2448         (Sized_incr_relobj::do_count_local_symbols): New function.
2449         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2450         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2451         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2452         (Sized_incr_relobj::do_relocate): New function.
2453         (Sized_incr_relobj::do_set_section_offset): New function.
2454         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2455         (Sized_incr_dynobj::do_read_symbols): New function.
2456         (Sized_incr_dynobj::do_layout): New function.
2457         (Sized_incr_dynobj::do_add_symbols): New function.
2458         (Sized_incr_dynobj::do_should_include_member): New function.
2459         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2460         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2461         (Sized_incr_dynobj::do_section_size): New function.
2462         (Sized_incr_dynobj::do_section_name): New function.
2463         (Sized_incr_dynobj::do_section_contents): New function.
2464         (Sized_incr_dynobj::do_section_flags): New function.
2465         (Sized_incr_dynobj::do_section_entsize): New function.
2466         (Sized_incr_dynobj::do_section_address): New function.
2467         (Sized_incr_dynobj::do_section_type): New function.
2468         (Sized_incr_dynobj::do_section_link): New function.
2469         (Sized_incr_dynobj::do_section_info): New function.
2470         (Sized_incr_dynobj::do_section_addralign): New function.
2471         (Sized_incr_dynobj::do_initialize_xindex): New function.
2472         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2473         (make_sized_incremental_object): New function.
2474         (Incremental_library::copy_unused_symbols): New function.
2475         (Incremental_library::do_for_all_unused_symbols): New function.
2476         * incremental.h (enum Incremental_input_flags): New type.
2477         (class Incremental_checker): Remove.
2478         (Incremental_input_entry::Incremental_input_entry): Add argument
2479         serial number.
2480         (Incremental_input_entry::arg_serial): New function.
2481         (Incremental_input_entry::set_is_in_system_directory): New function.
2482         (Incremental_input_entry::is_in_system_directory): New function.
2483         (Incremental_input_entry::arg_serial_): New data member.
2484         (Incremental_input_entry::is_in_system_directory_): New data member.
2485         (class Script_info): Move here from script.h.
2486         (Script_info::Script_info): Add filename parameter.
2487         (Script_info::filename): New function.
2488         (Script_info::filename_): New data member.
2489         (Incremental_script_entry::Incremental_script_entry): Add argument
2490         serial number.
2491         (Incremental_object_entry::Incremental_object_entry): Likewise.
2492         (Incremental_object_entry::add_input_section): Build list of input
2493         sections with map to original shndx.
2494         (Incremental_object_entry::get_input_section_index): New function.
2495         (Incremental_object_entry::shndx_): New data member.
2496         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2497         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2498         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2499         serial number.
2500         (Incremental_inputs::report_archive_begin): Likewise.
2501         (Incremental_inputs::report_object): Likewise.
2502         (Incremental_inputs::report_script): Likewise.
2503         (class Incremental_global_symbol_reader): New class.
2504         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2505         and store flags and input file type.
2506         (Incremental_input_entry_reader::arg_serial): New function.
2507         (Incremental_input_entry_reader::type): Extract type from flags.
2508         (Incremental_input_entry_reader::is_in_system_directory): New function.
2509         (Incremental_input_entry_reader::get_input_section_count): Call
2510         accessor function for type.
2511         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2512         function for type; adjust size of global symbol entry.
2513         (Incremental_input_entry_reader::get_global_symbol_count): Call
2514         accessor function for type.
2515         (Incremental_input_entry_reader::get_object_count): Likewise.
2516         (Incremental_input_entry_reader::get_object_offset): Likewise.
2517         (Incremental_input_entry_reader::get_member_count): Likewise.
2518         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2519         (Incremental_input_entry_reader::get_member_offset): Likewise.
2520         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2521         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2522         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2523         (Incremental_input_entry_reader::get_global_symbol_reader): New
2524         function.
2525         (Incremental_input_entry_reader::get_output_symbol_index): New
2526         function.
2527         (Incremental_input_entry_reader::type_): Remove.
2528         (Incremental_input_entry_reader::flags_): New data member.
2529         (Incremental_inputs_reader::input_file_offset): New function.
2530         (Incremental_inputs_reader::input_file_index): New function.
2531         (Incremental_inputs_reader::input_file): Call input_file_offset.
2532         (Incremental_inputs_reader::input_file_at_offset): New function.
2533         (Incremental_relocs_reader::get_r_type): Reformat.
2534         (Incremental_relocs_reader::get_r_shndx): Reformat.
2535         (Incremental_relocs_reader::get_r_offset): Reformat.
2536         (Incremental_relocs_reader::data): New function.
2537         (Incremental_binary::Incremental_binary): Initialize new data members.
2538         (Incremental_binary::check_inputs): Add cmdline parameter.
2539         (Incremental_binary::file_is_unchanged): Remove.
2540         (Input_reader::arg_serial): New function.
2541         (Input_reader::get_unused_symbol_count): New function.
2542         (Input_reader::get_unused_symbol): New function.
2543         (Input_reader::do_arg_serial): New function.
2544         (Input_reader::do_get_unused_symbol_count): New function.
2545         (Input_reader::do_get_unused_symbol): New function.
2546         (Incremental_binary::input_file_count): New function.
2547         (Incremental_binary::get_input_reader): Change signature to use
2548         index instead of filename.
2549         (Incremental_binary::file_has_changed): New function.
2550         (Incremental_binary::get_input_argument): New function.
2551         (Incremental_binary::get_library): New function.
2552         (Incremental_binary::get_script_info): New function.
2553         (Incremental_binary::init_layout): New function.
2554         (Incremental_binary::reserve_layout): New function.
2555         (Incremental_binary::output_file): New function.
2556         (Incremental_binary::do_check_inputs): New function.
2557         (Incremental_binary::do_file_is_unchanged): Remove.
2558         (Incremental_binary::do_file_has_changed): New function.
2559         (Incremental_binary::do_init_layout): New function.
2560         (Incremental_binary::do_reserve_layout): New function.
2561         (Incremental_binary::do_input_file_count): New function.
2562         (Incremental_binary::do_get_input_reader): Change signature.
2563         (Incremental_binary::input_args_map_): New data member.
2564         (Incremental_binary::library_map_): New data member.
2565         (Incremental_binary::script_map_): New data member.
2566         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2567         new data members.
2568         (Sized_incremental_binary::output_section): New function.
2569         (Sized_incremental_binary::inputs_reader): Add const.
2570         (Sized_incremental_binary::symtab_reader): Add const.
2571         (Sized_incremental_binary::relocs_reader): Add const.
2572         (Sized_incremental_binary::got_plt_reader): Add const.
2573         (Sized_incremental_binary::get_symtab_view): New function.
2574         (Sized_incremental_binary::Inputs_reader): New typedef.
2575         (Sized_incremental_binary::Input_entry_reader): New typedef.
2576         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2577         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2578         (Sized_incremental_binary::do_file_has_changed): New function.
2579         (Sized_incremental_binary::do_init_layout): New function.
2580         (Sized_incremental_binary::do_reserve_layout): New function.
2581         (Sized_input_reader::Inputs_reader): Remove.
2582         (Sized_input_reader::Input_entry_reader): Remove.
2583         (Sized_input_reader::do_arg_serial): New function.
2584         (Sized_input_reader::do_get_unused_symbol_count): New function.
2585         (Sized_input_reader::do_get_unused_symbol): New function.
2586         (Sized_incremental_binary::do_input_file_count): New function.
2587         (Sized_incremental_binary::do_get_input_reader): Change signature;
2588         use index instead of filename.
2589         (Sized_incremental_binary::section_map_): New data member.
2590         (Sized_incremental_binary::input_entry_readers_): New data member.
2591         (class Sized_incr_relobj): New class.
2592         (class Sized_incr_dynobj): New class.
2593         (make_sized_incremental_object): New function.
2594         (class Incremental_library): New class.
2595         * layout.cc (Free_list::num_lists): New static data member.
2596         (Free_list::num_nodes): New static data member.
2597         (Free_list::num_removes): New static data member.
2598         (Free_list::num_remove_visits): New static data member.
2599         (Free_list::num_allocates): New static data member.
2600         (Free_list::num_allocate_visits): New static data member.
2601         (Free_list::init): New function.
2602         (Free_list::remove): New function.
2603         (Free_list::allocate): New function.
2604         (Free_list::dump): New function.
2605         (Free_list::print_stats): New function.
2606         (Layout_task_runner::run): Resize output file for incremental updates.
2607         (Layout::Layout): Initialize new data members.
2608         (Layout::set_incremental_base): New function.
2609         (Layout::init_fixed_output_section): New function.
2610         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2611         incremental updates.
2612         (Layout::create_gold_note): Do not create gold note section for
2613         incremental updates.
2614         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2615         for incremental updates.
2616         (Layout::set_section_offsets): For incremental updates, allocate space
2617         from free list.
2618         (Layout::create_symtab_sections): Layout with offsets relative to
2619         start of section; for incremental updates, allocate space from free
2620         list.
2621         (Layout::create_shdrs): For incremental updates, allocate space from
2622         free list.
2623         (Layout::finish_dynamic_section): For incremental updates, do not
2624         check --as-needed (fixed in subsequent patch).
2625         * layout.h (class Free_list): New class.
2626         (Layout::set_incremental_base): New function.
2627         (Layout::incremental_base): New function.
2628         (Layout::init_fixed_output_section): New function.
2629         (Layout::allocate): New function.
2630         (Layout::incremental_base_): New data member.
2631         (Layout::free_list_): New data member.
2632         * main.cc (main): Print Free_list statistics.
2633         * object.cc (Relobj::finalize_incremental_relocs): Add
2634         clear_counts parameter; clear counts only when clear_counts is set.
2635         (Sized_relobj::Sized_relobj): Initialize new base class.
2636         (Sized_relobj::do_layout): Don't report special sections.
2637         (Sized_relobj::do_for_all_local_got_entries): New function.
2638         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2639         symtab_off to all symbol table offsets.
2640         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2641         * object.h (class Got_offset_list): Move to top of file.
2642         (Object::Object): Allow case where input_file == NULL.
2643         (Object::~Object): Likewise.
2644         (Object::input_file): Assert that input_file != NULL.
2645         (Object::lock): Allow case where input_file == NULL.
2646         (Object::unlock): Likewise.
2647         (Object::is_locked): Likewise.
2648         (Object::token): Likewise.
2649         (Object::release): Likewise.
2650         (Object::is_incremental): New function.
2651         (Object::get_mtime): New function.
2652         (Object::for_all_local_got_entries): New function.
2653         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2654         (Object::set_is_in_system_directory): New function.
2655         (Object::is_in_system_directory): New function.
2656         (Object::do_is_incremental): New function.
2657         (Object::do_get_mtime): New function.
2658         (Object::do_for_all_local_got_entries): New function.
2659         (Object::is_in_system_directory_): New data member.
2660         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2661         (class Sized_relobj_base): New class.
2662         (class Sized_relobj): Derive from Sized_relobj_base.
2663         (class Sized_relobj::Symbols): Redeclare from base class.
2664         (class Sized_relobj::local_got_offset_list): Remove.
2665         (class Sized_relobj::Output_sections): Redeclare from base class.
2666         (class Sized_relobj::do_for_all_local_got_entries): New function.
2667         (class Sized_relobj::write_local_symbols): Add offset parameter.
2668         (class Sized_relobj::local_symbol_offset_): Update comment.
2669         (class Sized_relobj::local_dynsym_offset_): Update comment.
2670         * options.cc (Input_arguments::add_file): Remove const.
2671         * options.h (Input_file_argument::Input_file_argument):
2672         Initialize arg_serial_ (all constructors).
2673         (Input_file_argument::set_arg_serial): New function.
2674         (Input_file_argument::arg_serial): New function.
2675         (Input_file_argument::arg_serial_): New data member.
2676         (Input_arguments::Input_arguments): Initialize file_count_.
2677         (Input_arguments::add_file): Remove const.
2678         (Input_arguments::number_of_input_files): New function.
2679         (Input_arguments::file_count_): New data member.
2680         (Command_line::number_of_input_files): Call
2681         Input_arguments::number_of_input_files.
2682         * output.cc (Output_segment_headers::Output_segment_headers):
2683         Set current size.
2684         (Output_section::Input_section::current_data_size): New function.
2685         (Output_section::Output_section): Initialize new data members.
2686         (Output_section::add_input_section): Don't do merge sections for
2687         an incremental link; allocate space from free list for an
2688         incremental update.
2689         (Output_section::add_output_section_data): Allocate space from
2690         free list for an incremental update.
2691         (Output_section::update_data_size): New function.
2692         (Output_section::set_fixed_layout): New function.
2693         (Output_section::reserve): New function.
2694         (Output_segment::set_section_addresses): Remove const.
2695         (Output_segment::set_section_list_addresses): Remove const; allocate
2696         space from free list for an incremental update.
2697         (Output_segment::set_offset): Adjust size of RELRO segment for an
2698         incremental update.
2699         * output.h (Output_data::current_data_size): Move here from
2700         child classes.
2701         (Output_data::pre_finalize_data_size): New function.
2702         (Output_data::update_data_size): New function.
2703         (Output_section_headers::update_data_size): new function.
2704         (Output_section_data_build::current_data_size): Move to Output_data.
2705         (Output_data_strtab::update_data_size): New function.
2706         (Output_section::current_data_size): Move to Output_data.
2707         (Output_section::set_fixed_layout): New function.
2708         (Output_section::has_fixed_layout): New function.
2709         (Output_section::reserve): New function.
2710         (Output_section::update_data_size): New function.
2711         (Output_section::has_fixed_layout_): New data member.
2712         (Output_section::free_list_): New data member.
2713         (Output_segment::set_section_addresses): Remove const.
2714         (Output_segment::set_section_list_addresses): Remove const.
2715         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2716         New function.
2717         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2718         New function.
2719         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2720         parameter when calling Add_symbols constructor; store argument
2721         serial number for members of a lib group.
2722         (Add_symbols::locks): Allow case where token == NULL.
2723         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2724         (Read_member::~Read_member): New function.
2725         (Read_member::is_runnable): New function.
2726         (Read_member::locks): New function.
2727         (Read_member::run): New function.
2728         (Check_script::~Check_script): New function.
2729         (Check_script::is_runnable): New function.
2730         (Check_script::locks): New function.
2731         (Check_script::run): New function.
2732         (Check_library::~Check_library): New function.
2733         (Check_library::is_runnable): New function.
2734         (Check_library::locks): New function.
2735         (Check_library::run): New function.
2736         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2737         (Add_symbols::library_): New data member.
2738         (class Read_member): New class.
2739         (class Check_script): New class.
2740         (class Check_library): New class.
2741         * reloc.cc (Read_relocs::is_runnable): Allow case where
2742         token == NULL.
2743         (Read_relocs::locks): Likewise.
2744         (Scan_relocs::locks): Likewise.
2745         (Relocate_task::locks): Likewise.
2746         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2747         to clear counters.
2748         (Sized_relobj::incremental_relocs_scan): Fix comment.
2749         (Sized_relobj::do_relocate): Pass output file offset to
2750         write_local_symbols.
2751         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2752         from class declaration.
2753         * script.cc (read_input_script): Allocate Script_info; pass
2754         argument serial number to report_script.
2755         * script.h (class Script_info): Move to incremental.h.
2756         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2757         * symtab.h (Symbol_table::add_from_incrobj): New function.
2758         (Symbol_table::set_file_offset): New function.
2759
2760 2011-04-05  Cary Coutant  <ccoutant@google.com>
2761
2762         * incremental-dump.cc (dump_incremental_inputs): Change signature
2763         to take a Sized_incremental_binary; change caller.  Use readers
2764         in Sized_incremental_binary.
2765         * incremental.cc
2766         (Sized_incremental_binary::find_incremental_inputs_sections):
2767         Rename do_find_incremental_inputs_sections to this.
2768         (Sized_incremental_binary::setup_readers): New function.
2769         (Sized_incremental_binary::do_check_inputs): Check
2770         has_incremental_info_ flag; move setup code to setup_readers;
2771         use input readers.
2772         (Sized_incremental_binary::do_file_is_unchanged): New function.
2773         (Sized_incremental_binary::do_get_input_reader): New function.
2774         * incremental.h (class Incremental_binary): Move to end of file.
2775         (Incremental_binary::file_is_unchanged): New function.
2776         (Incremental_binary::do_file_is_unchanged): New function.
2777         (Incremental_binary::Input_reader): New class.
2778         (Incremental_binary::get_input_reader): New function.
2779         (class Sized_incremental_binary): Move to end of file.
2780         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2781         input section reader classes.
2782         (Sized_incremental_binary::has_incremental_info): New function.
2783         (Sized_incremental_binary::inputs_reader): New function.
2784         (Sized_incremental_binary::symtab_reader): New function.
2785         (Sized_incremental_binary::relocs_reader): New function.
2786         (Sized_incremental_binary::got_plt_reader): New function.
2787         (Sized_incremental_binary::do_file_is_unchanged): New function.
2788         (Sized_incremental_binary::Sized_input_reader): New class.
2789         (Sized_incremental_binary::get_input_reader): New function.
2790         (Sized_incremental_binary::find_incremental_inputs_sections):
2791         Rename do_find_incremental_inputs_sections to this.
2792         (Sized_incremental_binary::setup_readers): New function.
2793         (Sized_incremental_binary::has_incremental_info_): New data member.
2794         (Sized_incremental_binary::inputs_reader_): New data member.
2795         (Sized_incremental_binary::symtab_reader_): New data member.
2796         (Sized_incremental_binary::relocs_reader_): New data member.
2797         (Sized_incremental_binary::got_plt_reader_): New data member.
2798         (Sized_incremental_binary::current_input_file_): New data member.
2799
2800 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2801
2802         PR gold/12640
2803         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2804         violation.
2805
2806 2011-03-30  Cary Coutant  <ccoutant@google.com>
2807
2808         * archive.cc (Archive::include_member): Adjust call to report_object.
2809         (Add_archive_symbols::run): Add script_info to call to
2810         report_archive_begin.
2811         (Lib_group::include_member): Adjust call to report_object.
2812         (Add_lib_group_symbols::run): Adjust call to report_object.
2813         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2814         blocks.  Add object count for script input files.
2815         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2816         script_info parameter; change all callers.
2817         (Incremental_inputs::report_object): Add script_info parameter;
2818         change all callers.
2819         (Incremental_inputs::report_script): Store backpointer to
2820         incremental info entry.
2821         (Output_section_incremental_inputs::set_final_data_size): Record
2822         additional information for scripts.
2823         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2824         * incremental.h (Incremental_script_entry::add_object): New function.
2825         (Incremental_script_entry::get_object_count): New function.
2826         (Incremental_script_entry::get_object): New function.
2827         (Incremental_script_entry::objects_): New data member; adjust
2828         constructor.
2829         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2830         (Incremental_inputs::report_object): Add script_info parameter.
2831         (Incremental_inputs_reader::get_object_count): New function.
2832         (Incremental_inputs_reader::get_object_offset): New function.
2833         * options.cc (Input_arguments::add_file): Return reference to
2834         new input argument.
2835         * options.h (Input_argument::set_script_info): New function.
2836         (Input_argument::script_info): New function.
2837         (Input_argument::script_info_): New data member; adjust all
2838         constructors.
2839         (Input_file_group::add_file): Return reference to new input argument.
2840         (Input_file_lib::add_file): Likewise.
2841         (Input_arguments::add_file): Likewise.
2842         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2843         * script.cc (Parser_closure::Parser_closure): Add script_info
2844         parameter; adjust all callers.
2845         (Parser_closure::script_info): New function.
2846         (Parser_closure::script_info_): New data member.
2847         (read_input_script): Report scripts earlier to incremental info.
2848         (script_add_file): Set script_info in Input_argument.
2849         (script_add_library): Likewise.
2850         * script.h (Script_options::Script_info): Rewrite class.
2851
2852 2011-03-29  Cary Coutant  <ccoutant@google.com>
2853
2854         * archive.cc (Library_base::should_include_member): Move
2855         method here from class Archive.
2856         (Archive::Archive): Initialize base class.
2857         (Archive::should_include_member): Move to base class.
2858         (Archive::do_for_all_unused_symbols): New function.
2859         (Add_archive_symbols::run): Remove redundant access to
2860         incremental_inputs.
2861         (Lib_group::Lib_group): Initialize base class.
2862         (Lib_group::do_filename): New function.
2863         (Lib_group::include_member): Pass pointer to Lib_group to
2864         report_object.
2865         (Lib_group::do_for_all_unused_symbols): New function.
2866         (Add_lib_group_symbols::run): Report archive information for
2867         incremental links.
2868         * archive.h (class Library_base): New base class.
2869         (class Archive): Derive from Library_base.
2870         (Archive::filename): Move to base class.
2871         (Archive::set_incremental_info): Likewise.
2872         (Archive::incremental_info): Likewise.
2873         (Archive::Should_include): Likewise.
2874         (Archive::should_include_member): Likewise.
2875         (Archive::Armap_entry): Remove.
2876         (Archive::Unused_symbol_iterator): Remove.
2877         (Archive::unused_symbols_begin): Remove.
2878         (Archive::unused_symbols_end): Remove.
2879         (Archive::do_filename): New function.
2880         (Archive::do_get_mtime): New function.
2881         (Archive::do_for_all_unused_symbols): New function.
2882         (Archive::task_): Move to base class.
2883         (Archive::incremental_info_): Likewise.
2884         (class Lib_group): Derive from Library_base.
2885         (Lib_group::do_filename): New function.
2886         (Lib_group::do_get_mtime): New function.
2887         (Lib_group::do_for_all_unused_symbols): New function.
2888         (Lib_group::task_): Move to base class.
2889         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2890         function.
2891         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2892         function.
2893         * incremental.cc (Incremental_inputs::report_archive_begin):
2894         Use Library_base; call library's get_mtime; add incremental inputs
2895         entry before members.
2896         (class Unused_symbol_visitor): New class.
2897         (Incremental_inputs::report_archive_end): Use Library_base; use
2898         visitor class to record unused symbols; don't add incremental inputs
2899         entry after members.
2900         (Incremental_inputs::report_object): Use Library_base.
2901         * incremental.h
2902         (Incremental_archive_entry::Incremental_archive_entry): Remove
2903         unused Archive parameter.
2904         (Incremental_inputs::report_archive_begin): Use Library_base.
2905         (Incremental_inputs::report_archive_end): Likewise.
2906         (Incremental_inputs::report_object): Likewise.
2907         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2908         function.
2909         * object.h (Object::for_all_global_symbols): New function.
2910         (Object::do_for_all_global_symbols): New function.
2911         (Sized_relobj::do_for_all_global_symbols): New function.
2912         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2913         function.
2914         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2915         function.
2916
2917 2011-03-27  Ian Lance Taylor  <iant@google.com>
2918
2919         * archive.cc (Archive::interpret_header): Return -1 if something
2920         goes wrong.  Change callers accordingly.
2921
2922 2011-03-25  Cary Coutant  <ccoutant@google.com>
2923
2924         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2925         * testsuite/Makefile.in: Regenerate.
2926
2927 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2928
2929         * plugin.cc (get_view): New.
2930         (Plugin::load): Pass get_view to the plugin.
2931         (Plugin_manager::get_view): New.
2932
2933 2011-03-21  Ian Lance Taylor  <iant@google.com>
2934
2935         * testsuite/final_layout.sh: Rewrite to not use dc.
2936         * testsuite/relro_test.sh: Fail if dc is not present.
2937
2938 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2939
2940         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2941         Change == to -eq.
2942         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2943         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2944         Change == to -eq.
2945         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2946         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2947
2948 2011-03-14  Ian Lance Taylor  <iant@google.com>
2949
2950         * script-sections.cc (Sort_output_sections::script_compare):
2951         Rename from is_before, change return type.
2952         (Sort_output_sections::operator()): Adjust accordingly.
2953
2954 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2955
2956         PR gold/12572
2957         * testsuite/odr_violation2.cc: Add comment to make all error line
2958         numbers double digits.
2959         * testsuite/debug_msg.sh: Adjust expected errors.
2960
2961 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2962
2963         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2964         but mark earlier ones as non-canonical
2965         (offset_to_iterator): Update search target and example
2966         (do_addr2line): Return extra lines in a vector*
2967         (format_file_lineno): Extract from do_addr2line
2968         (one_addr2line): Add vector* out-param
2969         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2970         when a lineno entry appeared last for its instruction
2971         (Dwarf_line_info): Add vector* out-param
2972         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2973         * symtab.cc (Odr_violation_compare): Include the lineno in the
2974         comparison again.
2975         (linenos_from_loc): New. Combine the canonical line for an
2976         address with its other lines.
2977         (True_if_intersect): New. Helper functor to make
2978         std::set_intersection a query.
2979         (detect_odr_violations): Compare sets of lines instead of just
2980         one line for each function. This became less deterministic, but
2981         has fewer false positives.
2982         * symtab.h: Declarations.
2983         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2984         mix an optimized and non-optimized object in the same binary
2985         (odr_violation2.so): Same.
2986         * testsuite/Makefile.in: Regenerate from Makefile.am.
2987         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2988         * testsuite/debug_msg.sh: Update line numbers and add
2989         assertions.
2990         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2991         non-optimized context.
2992         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2993         isn't inlined, and use OdrDerived in an optimized context.
2994         * testsuite/odr_header1.h: Defines OdrDerived, where
2995         optimization will change the
2996         first-instruction-in-the-destructor's file and line number.
2997         * testsuite/odr_header2.h: Defines OdrBase.
2998
2999 2011-03-09  Ian Lance Taylor  <iant@google.com>
3000
3001         * fileread.cc (File_read::clear_views): Don't delete the whole
3002         file view.
3003
3004 2011-03-08  Ian Lance Taylor  <iant@google.com>
3005
3006         PR gold/12525
3007         * fileread.cc: #include <climits>.
3008         (GOLD_IOV_MAX): Define.
3009         (File_read::read_multiple): Limit number of entries by iov_max.
3010         * fileread.h (class File_read): Always set max_readv_entries to
3011         128.
3012
3013 2011-03-07  Ian Lance Taylor  <iant@google.com>
3014
3015         PR gold/12525
3016         * options.h (class General_options): Add -dy and -dn.
3017
3018 2011-03-02  Cary Coutant  <ccoutant@google.com>
3019
3020         * testsuite/script_test_9.t: Add TLS segment.
3021
3022 2011-03-02  Simon Baldwin  <simonb@google.com>
3023
3024         * configure.ac: Add check for gnu_indirect_function support in
3025         the toolchain building binutils.
3026         * configure: Rebuild.
3027
3028 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3029
3030         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3031         plugin only symbols.
3032         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3033         in plugin files as not needed in the symbol table.
3034
3035 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3036
3037         * output.cc (Output_section::add_input_section): Delay fill
3038         generation for section ordering.
3039
3040 2011-02-09  Ian Lance Taylor  <iant@google.com>
3041
3042         PR gold/12316
3043         * object.h (class Sized_relobj): Remove clear_local_symbols.
3044         * reloc.cc (Sized_relobj::do_relocate): Don't call
3045         clear_local_symbols.
3046
3047 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3048
3049         * plugin.cc (is_visible_from_outside): Return true for symbols
3050         in the -u option.
3051
3052 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3053
3054         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3055         filename.
3056
3057 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3058
3059         * icf.h (is_section_foldable_candidate): Change type of parameter
3060         to std::string.
3061         * icf.cc (Icf::find_identical_sections): Change type of local variable
3062         section_name to be std::string.
3063         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3064
3065 2011-01-25  Ian Lance Taylor  <iant@google.com>
3066
3067         * script.cc (script_add_extern): Rewrite to use
3068         add_symbol_reference.
3069
3070 2011-01-25  Doug Kwan  <dougkwan@google.com>
3071
3072         * icf.cc (get_section_contents): Always lock section's object.
3073
3074 2011-01-24  Ian Lance Taylor  <iant@google.com>
3075
3076         * options.h (class General_options): Accept
3077         --no-detect-odr-violations.
3078
3079 2011-01-24  Ian Lance Taylor  <iant@google.com>
3080
3081         * version.cc (version_string): Bump to 1.11.
3082
3083 2011-01-24  Ian Lance Taylor  <iant@google.com>
3084
3085         * plugin.cc (class Plugin_rescan): Define new class.
3086         (Plugin_manager::claim_file): Set any_claimed_.
3087         (Plugin_manager::save_archive): New function.
3088         (Plugin_manager::save_input_group): New function.
3089         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3090         necessary.
3091         (Plugin_manager::new_undefined_symbol): New function.
3092         (Plugin_manager::rescan): New function.
3093         (Plugin_manager::rescannable_defines): New function.
3094         (Plugin_manager::add_input_file): Set any_added_.
3095         * plugin.h (class Plugin_manager): define new fields rescannable_,
3096         undefined_symbols_, any_claimed_, and any_added_.  Declare
3097         Plugin_rescan as friend.  Declare new functions.
3098         (Plugin_manager::Rescannable): Define type.
3099         (Plugin_manager::Rescannable_list): Define type.
3100         (Plugin_manager::Undefined_symbol_list): Define type.
3101         (Plugin_manager::Plugin_manager): Initialize new fields.
3102         * archive.cc (Archive::defines_symbol): New function.
3103         (Add_archive_symbols::run): Pass archive to plugins if any.
3104         * archive.h (class Archive): Declare defines_symbol.
3105         * readsyms.cc (Input_group::~Input_group): New function.
3106         (Finish_group::run): Pass input_group to plugins if any.
3107         * readsyms.h (class Input_group): Declare destructor.
3108         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3109         any.
3110
3111 2011-01-10  Ian Lance Taylor  <iant@google.com>
3112
3113         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3114         section as relro.
3115         (Layout::set_segment_offsets): Reset increase_relro before calling
3116         set_section_addresses a second time.
3117
3118 2011-01-04  Cary Coutant  <ccoutant@google.com>
3119
3120         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3121         sections before NOBITS sections.
3122
3123 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3124
3125         * version.cc (print_version): Update copyright to 2011.
3126
3127 2010-12-23  Cary Coutant  <ccoutant@google.com>
3128
3129         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3130         of OS to this->add.  Add OD parameter to second form of the function.
3131
3132 2010-12-20  Ian Lance Taylor  <iant@google.com>
3133
3134         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3135         second of two consecutive entries with same offset.
3136
3137 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3138
3139         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3140         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3141         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3142         to avoid unneeded links against $(LDADD).
3143         * testsuite/Makefile.in: Regenerate.
3144
3145 2010-12-15  Ian Lance Taylor  <iant@google.com>
3146
3147         PR gold/12324
3148         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3149         for R_X86_64_32 and R_X86_64_PC32.
3150         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3151         ver_matching_def_pic.o.
3152         (ver_matching_def_pic.o): New target.
3153
3154 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3155
3156         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3157         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3158         Move definition before File_read::View member definitions.
3159         (File_read::View::~View): Initialize and hold lock before
3160         updating current_mapped_bytes.
3161
3162 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3163
3164         * dwarf_reader.cc: Remove outdated comment.
3165         * gold-threads.cc: Fix typo in error message.
3166         * archive.cc: Fix typos in comments.
3167         * archive.h: Likewise.
3168         * arm-reloc-property.cc: Likewise.
3169         * arm-reloc-property.h: Likewise.
3170         * arm-reloc.def: Likewise.
3171         * arm.cc: Likewise.
3172         * attributes.h: Likewise.
3173         * cref.cc: Likewise.
3174         * ehframe.cc: Likewise.
3175         * fileread.h: Likewise.
3176         * gold.h: Likewise.
3177         * i386.cc: Likewise.
3178         * icf.cc: Likewise.
3179         * incremental.h: Likewise.
3180         * int_encoding.cc: Likewise.
3181         * layout.h: Likewise.
3182         * main.cc: Likewise.
3183         * merge.h: Likewise.
3184         * object.cc: Likewise.
3185         * object.h: Likewise.
3186         * options.cc: Likewise.
3187         * readsyms.cc: Likewise.
3188         * reduced_debug_output.cc: Likewise.
3189         * reloc.cc: Likewise.
3190         * script-sections.cc: Likewise.
3191         * sparc.cc: Likewise.
3192         * symtab.h: Likewise.
3193         * target-reloc.h: Likewise.
3194         * target.cc: Likewise.
3195         * target.h: Likewise.
3196         * timer.cc: Likewise.
3197         * timer.h: Likewise.
3198         * x86_64.cc: Likewise.
3199
3200 2010-12-09  Cary Coutant  <ccoutant@google.com>
3201
3202         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3203         stack.
3204         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3205         parameter; change all callers.
3206         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3207         * options.h (warn_execstack): New option.
3208
3209 2010-12-07  Doug Kwan  <dougkwan@google.com>
3210
3211         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3212         like function call relocations.
3213
3214 2010-12-07  Ian Lance Taylor  <iant@google.com>
3215
3216         * archive.cc (Archive::get_elf_object_for_member): Permit
3217         punconfigured to be NULL.
3218         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3219         (Archive::include_member): Pass NULL to get_elf_object_for_member
3220         if we searched for the archive and this is the first included
3221         object.
3222
3223 2010-12-01  Ian Lance Taylor  <iant@google.com>
3224
3225         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3226         track_relocs_type_ field.
3227         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3228         Set track_relocs_type_.
3229         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3230         contents when using RELA relocs.
3231         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3232         reloc_map_.
3233         * reloc.cc (Track_relocs::next_addend): New function.
3234         * reloc.h (class Track_relocs): Declare next_addend.
3235
3236 2010-12-01  Ian Lance Taylor  <iant@google.com>
3237
3238         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3239         virtual destructor.
3240
3241 2010-12-01  Ian Lance Taylor  <iant@google.com>
3242
3243         * README: Update compilers known to work and fail.
3244
3245 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3246
3247         * configure.in: For --enable-gold, handle value `default' instead of
3248         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3249         not the default.
3250         * configure: Regenerate.
3251
3252 2010-11-18  Doug Kwan  <dougkwan@google.com>
3253
3254         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3255         and right_alignment to be zero.  Store result alignment only if it is
3256         greater than existing alignment.
3257
3258 2010-11-16  Cary Coutant  <ccoutant@google.com>
3259
3260         PR gold/12220
3261         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3262         Check for ".zdebug_line".
3263
3264 2010-11-16  Doug Kwan  <dougkwan@google.com>
3265             Cary Coutant  <ccoutant@google.com>
3266
3267         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3268         by reference; adjust all callers.
3269         * output.cc (Output_segment::set_section_addresses): Adjust references
3270         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3271         list is empty.
3272         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3273         end at page boundary.
3274
3275 2010-11-16  Cary Coutant  <ccoutant@google.com>
3276
3277         PR gold/12220
3278         * layout.cc (Layout::choose_output_section): Transform names of
3279         compressed sections even when using a script with a SECTIONS clause.
3280         (Layout::output_section_name): Remove code to transform
3281         compressed debug section names.
3282         * output.cc (Output_section::add_input_section): Use uncompressed
3283         section size when tracking input sections.
3284
3285 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3286
3287         * symtab.h (Symbol::NON_PIC_REF): Remove.
3288         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3289         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3290         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3291         (Symbol::use_plt_offset): Take a flags argument and pass it
3292         directly to needs_dynamic_reloc.  Restrict check for undefined
3293         weak symbols to function calls.
3294         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3295         (Target_arm::Scan::global): Use it.
3296         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3297         (Target_arm::Relocate::relocate): Likewise.
3298         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3299         parameter with an r_type parameter.  Use get_reference_flags
3300         to get the flags.
3301         (Target_arm::Relocate::relocate): Update accordingly.
3302         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3303         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3304         (Target_i386::Scan::global): Likewise.
3305         (Target_i386::Relocate::relocate): Likewise.
3306         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3307         parameter with an r_type parameter.  Use get_reference_flags
3308         to get the flags.
3309         (Target_i386::Relocate::relocate): Update accordingly.
3310         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3311         (Target_powerpc::Scan::global): Use it.
3312         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3313         (Target_powerpc::Relocate::relocate): Likewise.
3314         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3315         (Target_sparc::Scan::global): Use it.
3316         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3317         (Target_sparc::Relocate::relocate): Likewise.
3318         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3319         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3320         (Target_x86_64::Scan::global): Likewise.
3321         (Target_x86_64::Relocate::relocate): Likewise.
3322
3323 2010-11-08  Doug Kwan  <dougkwan@google.com>
3324             Cary Coutant  <ccoutant@google.com>
3325
3326         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3327         (Arm_exidx_merge_section::section_contents_): New data member.
3328         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3329         (Arm_input_section::~Arm_input_section): De-allocate memory.
3330         (Arm_input_section::original_contents_): New data member.
3331         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3332         in parameters instead of calling Object::section_contents without
3333         locking.
3334         (Arm_output_section::group_section): New parameter TASK.  Pass it
3335         to callees that need locking objects.
3336         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3337         to lock EXIDX input sections.  Fix a formatting issue.  Call
3338         Arm_exidx_merged_section::build_contents to create merged section
3339         contents.
3340         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3341         to lock object of stub table owner.
3342         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3343         TEXT_SIZE to initialize data member TEXT_SIZE_.
3344         (Arm_exidx_input_section::addralign): Fix typo in comment.
3345         (Arm_exidx_input_section::text_size): New method.
3346         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3347         that require locking objects.  Lock objects before scanning for stubs
3348         and updating local symbols.
3349         (Arm_input_section<big_endian>::init): Copy contents of original
3350         input section.
3351         (Arm_input_section<big_endian>::do_write): Use saved contents of
3352         original input section instead of calling Object::section_contents
3353         without locking.
3354         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3355         size without calling Object::section_size().
3356         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3357         for size.  Allocate a buffer for merged EXIDX entries.
3358         (Arm_exidx_merged_section::build_contents): New method.
3359         (Arm_exidx_merged_section::do_write): Move merge section contents
3360         building code to Arm_exidx_merged_section::build_contetns.  Write
3361         out contetns in buffer instead of building it on the fly.
3362         (Arm_relobj::make_exidx_input_section): Also pass text section size
3363         to Arm_exidx_input_section constructor.
3364         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3365         (Arm_dynobj::do_read_symbols): Fix memory leak.
3366         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3367         * target.h: (class Task): Add forward declaration.
3368         (Target::relax): Add new parameter TASK and pass it to
3369         Target::do_relax().
3370         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3371
3372 2010-11-05  Cary Coutant  <ccoutant@google.com>
3373
3374         PR gold/10708
3375         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3376         object when reading from the file.
3377         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3378         second layout pass.
3379         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3380         when reading section contents.
3381         (get_section_contents): Likewise.
3382         (icf::find_identical_sections): Likewise.
3383         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3384         object when reading from the file.
3385         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3386         the object when doing deferred section layout.
3387
3388 2010-11-03  Nick Clifton  <nickc@redhat.com>
3389
3390         PR gold/12001
3391         * script.h (class Symbol_assignment: name): New member.  Returns
3392         the name of the symbol.
3393         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3394         Returns true if the given symbol name is on the list of
3395         assignments wating to be processed.
3396         * archive.cc (should_incldue_member): If the symbol is undefined,
3397         check to see if it is on the list of symbols pending assignment.
3398
3399 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3400
3401         * script-sections.cc (Script_sections::find_memory_region): Check
3402         for a NULL output section pointer.
3403
3404 2010-10-29  Doug Kwan  <dougkwan@google.com>
3405
3406         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3407         Output_section::add_relaxed_input_section.
3408         * output.cc (Output_section::add_relaxed_input_section): Add new
3409         arguments LAYOUT and NAME.  Set section order index.
3410         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3411         Copy section order index.
3412         * output.h (Output_section::add_relaxed_input_section): Add new
3413         arguments LAYOUT and NAME.
3414
3415 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3416
3417         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3418         NATIVE_OR_CROSS_LINKER.
3419         * testsuite/Makefile.in: Regenerate.
3420
3421 2010-10-20  Doug Kwan  <dougkwan@google.com>
3422
3423         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3424         without SHF_LINK_ORDER flags.
3425         * layout.cc (Layout::choose_output_section): Do not filter
3426         SHF_LINK_ORDER flag in a relocatable link.
3427
3428 2010-10-17  Cary Coutant  <ccoutant@google.com>
3429
3430         * output.h (Output_segment::set_section_addresses): Change function
3431         signature.  Update all callers.
3432         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3433         sections.
3434         (Output_segment::set_section_addresses): Align after last TLS
3435         section.  Add padding before last relro section instead of after.
3436
3437 2010-10-17  Doug Kwan  <dougkwan@google.com>
3438
3439         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3440         GOT output section to be writable.
3441
3442 2010-10-14  Cary Coutant  <ccoutant@google.com>
3443
3444         * debug.h (DEBUG_INCREMENTAL): New flag.
3445         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3446         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3447         mode.
3448         * incremental.cc (report_command_line): Ignore all forms of
3449         --incremental.
3450         * layout.cc (Layout::Layout): Check parameters for incremental link
3451         mode.
3452         * options.cc (General_options::parse_incremental): New function.
3453         (General_options::parse_no_incremental): New function.
3454         (General_options::parse_incremental_full): New function.
3455         (General_options::parse_incremental_update): New function.
3456         (General_options::incremental_mode_): New data member.
3457         (General_options::finalize): Check incremental_mode_.
3458         * options.h (General_options): Update help text for --incremental.
3459         Add --no-incremental, --incremental-full, --incremental-update.
3460         (General_options::Incremental_mode): New enum type.
3461         (General_options::incremental_mode): New function.
3462         (General_options::incremental_mode_): New data member.
3463         * parameters.cc (Parameters::incremental_mode_): New data member.
3464         (Parameters::set_options): Set incremental_mode_.
3465         (Parameters::set_incremental_full): New function.
3466         (Parameters::incremental): New function.
3467         (Parameters::incremental_update): New function.
3468         (set_parameters_incremental_full): New function.
3469         * parameters.h (Parameters::set_incremental_full): New function.
3470         (Parameters::incremental): New function.
3471         (Parameters::incremental_update): New function.
3472         (Parameters::incremental_mode_): New data member.
3473         (set_parameters_incremental_full): New function.
3474         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3475         incremental link mode.
3476         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3477         (Sized_relobj::do_relocate_sections): Likewise.
3478         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3479         option.
3480         * testsuite/Makefile.in: Regenerate.
3481         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3482
3483 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3484
3485         * script-sections.h (class Script_sections): Make
3486         Sections_elements typedef public.
3487         * script-sections.cc (class Sort_output_sections): Add elements_
3488         field.  Add constructor which sets it; change all callers.
3489         (Sort_output_sections::is_before): New function.
3490         (Sort_output_sections::operator()): Call is_before.
3491         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3492         conditional.
3493         * testsuite/script_test_10.sh: New test. Test script section
3494         order.
3495         * testsuite/script_test_10.t: Likewise.
3496         * testsuite/script_test_10.s: Likewise.
3497         * testsuite/Makefile.am: Wrap the cross linker tests and the
3498         common tests into NATIVE_OR_CROSS_LINKER.
3499         (check_SCRIPTS): Add script_test_10.sh.
3500         (check_DATA): Add script_test_10.stdout.
3501         (script_test_10.o, script_test_10): New targets.
3502         (script_test_10.stdout): New target.
3503         * configure, testsuite/Makefile.in: Regenerate.
3504
3505 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3506
3507         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3508         error for the deprecated relocations.
3509         (Target_arm::Scan::global): Likewise.
3510         (Target_arm::Relocate::relocate): Likewise.
3511
3512 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3513
3514         * fileread.cc (Input_file::find_file): Initialize *found_name
3515         and *namep when using the fallback search for case 4.
3516
3517 2010-10-11  Cary Coutant  <ccoutant@google.com>
3518
3519         * options.h (class General_options): Redefine -z lazy as an alias for
3520         the negation of -z now.
3521
3522 2010-10-11  Ian Lance Taylor  <iant@google.com>
3523
3524         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3525         binding.
3526
3527 2010-10-06  Nick Clifton  <nickc@redhat.com>
3528
3529         * script-sections.cc(class Memory_region): Remove
3530         current_lma_offset_ field.  Rename current_vma_offset_ to
3531         current_offset_.  Add last_section_ field.
3532         (Memory_region::get_current_vma_address): Rename to
3533         get_current_address.
3534         (Memory_region::get_current_lma_address): Delete.
3535         (Memory_region::increment_vma_offset): Rename to
3536         increment_offset.
3537         (Memory_region::increment_lma_offset): Delete.
3538         (Memory_region::attributes_compatible): New method.  Returns
3539         true if the provided section is compatible with the region.
3540         (Memory_region::get_last_section): New method.  Returns the last
3541         section to use the region.
3542         (Memory_region::set_last_section): New method.  Stores the last
3543         section to use the region.
3544         (Script_sections::block_in_region): New method.  Returns true if
3545         a block of memory is contained within a region.
3546         (Script_sections::find_memory_region): New method.  Locates a
3547         memory region to be used to set a VMA or LMA address.
3548         (Output_section_definition::set_section_addresses): Add code to
3549         check for addresses set by memory regions.
3550         (Output_segment::set_section_addresses): Remove memory region
3551         walking code.
3552         (Script_sections::create_segment): Add a warning if a header
3553         segment is created outside of any region.
3554         * script-sections.h (class Script_sections): Add prototypes for
3555         find_memory_region and block_in_region methods.
3556         * testsuite/memory_test.s: Use .long instead of .word.
3557         * testsuite/memory_test.t: Add some more output sections.
3558         * testsuite/memory_test.sh: Update expected output.
3559
3560 2010-10-02  Doug Kwan  <dougkwan@google.com>
3561
3562         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3563         defintion to symtab.h
3564         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3565         declaration to defintion.
3566
3567 2010-10-01  Nick Clifton  <nickc@redhat.com>
3568
3569         * expression.cc (eval): Replace dummy argument with NULL.
3570         (eval_maybe_dot): Check for a NULL result section pointer.
3571         (Symbol_expression::value): Likewise.
3572         (Dot_expression::value): Likewise.
3573         (BINARY_EXPRESSION): Likewise.
3574         (Max_expression::value): Likewise.
3575         (Min_expression::value): Likewise.
3576         (Absolute_expression::value): Likewise.
3577         (Addr_expression::value_from_output_section): Likewise.
3578         (Loaddddr_expression::value_from_output_section): Likewise.
3579         (Segment_start_expression::value): Likewise.
3580         * script-sections.cc
3581         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3582         argument with NULL.
3583         (Sections_elememt_dot_assignment::set_section_addresses):
3584         Likewise.
3585         (Output_data_expression::do_write_to_buffer): Likewise.
3586         (Output_section_definition::finalize_symbols): Likewise.
3587         (Output_section_definition::set_section_addresses): Likewise.
3588
3589 2010-09-30  Doug Kwan  <dougkwan@google.com>
3590
3591         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3592
3593 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3594
3595         * target.h (Target::can_icf_inline_merge_sections): New virtual
3596         function.
3597         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3598         virtual function.
3599         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3600         virtual function.
3601         * icf.cc (get_section_contents): Inline merge sections only when
3602         target allows it.
3603
3604 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3605
3606         * configure: Regenerate.
3607
3608 2010-09-17  Ian Lance Taylor  <iant@google.com>
3609
3610         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3611         * testsuite/Makefile.am (memory_test.o): New target.
3612         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3613         memory_test.t.
3614         * testsuite/Makefile.in: Rebuild.
3615
3616 2010-09-17  Doug Kwan  <dougkwan@google.com>
3617
3618         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3619         defintion if relocation uses GOT entries of the symbol.
3620         * testsuite/icf_safe_test.sh: Fix test.
3621         * testsuite/icf_safe_so_test.sh: Fix test.
3622
3623 2010-09-16  Cary Coutant  <ccoutant@google.com>
3624
3625         * script_sections.cc (class Memory_region): Remove "NULL" from
3626         vector initializations.
3627
3628 2010-09-15  Cary Coutant  <ccoutant@google.com>
3629
3630         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3631         Resolve forwarding symbols.
3632
3633 2010-09-15  Doug Kwan  <dougkwan@google.com>
3634
3635         * gold/testsuite/script_test_3.t: Add ARM special sections.
3636         * gold/testsuite/script_test_4.t: Same.
3637         * gold/testsuite/script_test_5.t: Same.
3638         * gold/testsuite/script_test_6.t: Same.
3639         * gold/testsuite/script_test_7.t: Same.
3640         * gold/testsuite/script_test_7.t: Same.
3641         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3642
3643 2010-09-14  Cary Coutant  <ccoutant@google.com>
3644
3645         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3646         (Target_x86_64::Relocate::relocate_tls): Replace check for
3647         saw_tls_block_reloc_ with test for executable section.
3648
3649 2010-09-12  Cary Coutant  <ccoutant@google.com>
3650
3651         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3652         position-independent executables to shared libraries need dynamic
3653         relocations.
3654         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3655         position-independent executables.
3656         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3657         * testsuite/Makefile.in: Regenerate.
3658
3659 2010-09-10  Nick Clifton  <nickc@redhat.com>
3660
3661         PR gold/11997
3662         * testsuite/memory_test.t: Discard any sections that are not
3663         needed.
3664
3665 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3666
3667         PR gold/11996
3668         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3669         "This::" to work around a bug in gcc 4.2.
3670
3671         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3672
3673 2010-09-09  Rafael Espindola  <espindola@google.com>
3674
3675         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3676         sections with different PF_X flags in the same segment.
3677         (Layout::find_first_load_seg): Search all segments to find the first
3678         one.
3679         * options.h (rosegment): New.
3680
3681 2010-09-08  Rafael Espindola  <espindola@google.com>
3682
3683         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3684
3685 2010-09-08  Doug Kwan  <dougkwan@google.com>
3686
3687         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3688         (Arm_relobj::do_relocate_sections): Add new parameter for output
3689         file to match the parent.
3690         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3691         of local symbols instead of input values.  Update code to track
3692         changes in gold::relocate_section.
3693         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3694         (Sized_relobj::compute_final_local_value_internal): New methods.
3695         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3696         body into private version of Sized_relobj::compute_final_local_value.
3697         Call the inline method.
3698         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3699         merged symbol value if there is one.
3700         (Symbol_value::has_output_value): New method defintiion.
3701         (Sized_relobj::Compute_final_local_value_status): New enum type.
3702         (Sized_relobj::compute_final_local_value): New methods.
3703         (Sized_relobj::compute_final_local_value_internal): New methods.
3704         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3705         and arm_cortex_a8.sh.
3706         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3707         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3708         New tests.
3709         * Makefile.in: Regenerate.
3710         * testsuite/arm_bl_out_of_range.s: Update test.
3711         * testsuite/thumb_bl_out_of_range.s: Ditto.
3712         * testsuite/thumb_blx_out_of_range.s: Ditto.
3713         * testsuite/arm_branch_out_of_range.sh: New file.
3714         * testsuite/arm_cortex_a8.sh: Ditto.
3715         * testsuite/arm_cortex_a8_b.s: Ditto.
3716         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3717         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3718         * testsuite/arm_cortex_a8_bl.s: Ditto.
3719         * testsuite/arm_cortex_a8_blx.s: Ditto.
3720         * testsuite/arm_cortex_a8_local.s: Ditto.
3721         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3722         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3723
3724 2010-09-08  Rafael Espindola  <espindola@google.com>
3725
3726         * Makefile.am (memory_test.stdout): Run readelf with -W.
3727         * Makefile.in: Regenerate.
3728         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3729         64 bit output.
3730
3731 2010-09-08  Rafael Espindola  <espindola@google.com>
3732
3733         * script-sections.cc (Script_sections::add_memory_region): Convert
3734         field precision to int.
3735         * script.cc (script_set_section_region, script_set_section_region):
3736         Convert field precision to int.
3737
3738 2010-09-08  Rafael Espindola  <espindola@google.com>
3739
3740         * arm.cc (do_finalize_sections): Create the __exidx_start and
3741         __exdix_end symbols even when the section is missing.
3742
3743 2010-09-08  Nick Clifton  <nickc@redhat.com>
3744
3745         * README: Remove claim that MEMORY is not supported.
3746         * expression.cc (script_exp_function_origin)
3747         (script_exp_function_length): Move from here to ...
3748         * script.cc: ... here.
3749         (script_set_section_region, script_add_memory)
3750         (script_parse_memory_attr, script_include_directive): New
3751         functions.
3752         * script-sections.cc
3753         (class Memory_region): New class.
3754         (class Output_section_definition): Add set_memory_region,
3755         set_section_vma, set_section_lma and get_section_name methods.
3756         (class Script_Sections): Add add_memory_region,
3757         find_memory_region, find_memory_region_origin,
3758         find_memory_region_length and set_memory_region methods.
3759         Have set_section_addresses method walk the list of set memory
3760         regions.
3761         Extend the print methos to display memory regions.
3762         * script-sections.h: Add prototypes for new methods.
3763         Add enum for MEMORY region attributes.
3764         * yyscript.y: Add support for parsing MEMORY regions.
3765         * script-c.h: Add prototypes for new functions.
3766         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3767         * testsuite/Makefile.in: Regenerate.
3768         * testsuite/memory_test.sh: New script.
3769         * testsuite/memory_test.s: New assembler source file.
3770         * testsuite/memory_test.t: New linker script.
3771
3772 2010-08-27  Doug Kwan  <dougkwan@google.com>
3773
3774         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3775         reference override an existing dynamic weak reference.
3776         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3777         * testsuite/Makefile.in: Regenerate.
3778         * testsuite/dyn_weak_ref.sh: New file.
3779         * testsuite/dyn_weak_ref_1.c: Ditto.
3780         * testsuite/dyn_weak_ref_2.c: Ditto.
3781
3782 2010-08-27  Ian Lance Taylor  <iant@google.com>
3783
3784         * incremental.h (class Incremental_input_entry): Add virtual
3785         destructor.
3786
3787 2010-08-27  Ian Lance Taylor  <iant@google.com>
3788
3789         * testsuite/start_lib_test_3.c: Mark t3 as used.
3790
3791 2010-08-27  Nick Clifton  <nickc@redhat.com>
3792
3793         * options.cc (version_script): Fix small typo in previous
3794         whitespace tidyup.
3795
3796 2010-08-25  Nick Clifton  <nickc@redhat.com>
3797
3798         * archive.cc: Formatting fixes: Remove whitespace between
3799         typename and following asterisk.  Remove whitespace between
3800         function name and opening parenthesis.
3801         * archive.h: Likewise.
3802         * arm.cc: Likewise.
3803         * attributes.cc: Likewise.
3804         * attributes.h: Likewise.
3805         * common.cc: Likewise.
3806         * copy-relocs.cc: Likewise.
3807         * dirsearch.h: Likewise.
3808         * dynobj.cc: Likewise.
3809         * ehframe.cc: Likewise.
3810         * ehframe.h: Likewise.
3811         * expression.cc: Likewise.
3812         * fileread.cc: Likewise.
3813         * fileread.h: Likewise.
3814         * gc.h: Likewise.
3815         * gold-threads.cc: Likewise.
3816         * gold.cc: Likewise.
3817         * i386.cc: Likewise.
3818         * icf.h: Likewise.
3819         * incremental-dump.cc: Likewise.
3820         * incremental.cc: Likewise.
3821         * layout.cc: Likewise.
3822         * layout.h: Likewise.
3823         * main.cc: Likewise.
3824         * merge.cc: Likewise.
3825         * merge.h: Likewise.
3826         * object.cc: Likewise.
3827         * object.h: Likewise.
3828         * options.cc: Likewise.
3829         * options.h: Likewise.
3830         * output.cc: Likewise.
3831         * output.h: Likewise.
3832         * plugin.cc: Likewise.
3833         * plugin.h: Likewise.
3834         * powerpc.cc: Likewise.
3835         * reloc.cc: Likewise.
3836         * script-c.h: Likewise.
3837         * script-sections.cc: Likewise.
3838         * script.cc: Likewise.
3839         * stringpool.cc: Likewise.
3840         * symtab.cc: Likewise.
3841         * symtab.h: Likewise.
3842         * target.cc: Likewise.
3843         * timer.cc: Likewise.
3844         * timer.h: Likewise.
3845         * version.cc: Likewise.
3846         * x86_64.cc: Likewise.
3847
3848 2010-08-24  Nick Clifton  <nickc@redhat.com>
3849
3850         PR 11899
3851         * layout.cc (segment_precedes): Sort segments by their physical
3852         addresses, if they have been set.
3853
3854 2010-08-23  Cary Coutant  <ccoutant@google.com>
3855
3856         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3857         symbols data.
3858         (Lib_group::include_member): Unlock object after deleting its
3859         symbols data.
3860         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3861         the bug fixed here.
3862
3863 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3864             Cary Coutant  <ccoutant@google.com>
3865
3866         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3867         constructor, and set_blocker.
3868         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3869         readsyms_blocker_.
3870         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3871         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3872         * testsuite/Makefile.am (start_lib_test): New test case.
3873         * testsuite/Makefile.in: Regenerate.
3874         * testsuite/start_lib_test_main.c: New file.
3875         * testsuite/start_lib_test_1.c: New file.
3876         * testsuite/start_lib_test_2.c: New file.
3877         * testsuite/start_lib_test_3.c: New file.
3878
3879 2010-08-19  Ian Lance Taylor  <iant@google.com>
3880
3881         * Makefile.in: Rebuild with automake 1.11.1.
3882         * aclocal.m4: Likewise.
3883         * testsuite/Makefile.in: Likewise.
3884
3885 2010-08-19  Ian Lance Taylor  <iant@google.com>
3886
3887         PR 10893
3888         * i386.cc (class Output_data_plt_i386): Update declarations.
3889         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3890         local_ifuncs_ fields.
3891         (Target_i386::do_plt_section_for_global): New function.
3892         (Target_i386::do_plt_section_for_local): New function.
3893         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3894         parameter; change all callers.  Initialize global_ifuncs_ and
3895         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3896         __rel_iplt_end.
3897         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3898         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3899         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3900         symbols.
3901         (Target_i386::make_plt_section): New function, broken out of
3902         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3903         (Target_i386::make_plt_entry): Call make_plt_section.
3904         (Target_i386::make_local_ifunc_plt_entry): New function.
3905         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3906         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3907         R_386_IRELATIVE to switch.
3908         (Target_i386::Scan::global): Likewise.
3909         (Target_i386::Relocate::relocate): Likewise.
3910         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3911         switch.
3912         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3913         (Target_x86_64::do_plt_section_for_global): New function.
3914         (Target_x86_64::do_plt_section_for_local): New function.
3915         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3916         parameter; change all callers.  If doing a static link define
3917         __rela_iplt_start and __rela_iplt_end.
3918         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3919         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3920         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3921         to point to .plt.
3922         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3923         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3924         switch.
3925         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3926         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3927         R_X86_64_IRELATIVE to switch.
3928         (Target_x86_64::Scan::global): Likewise.
3929         (Target_x86_64::Relocate::relocate): Likewise.
3930         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3931         switch.
3932         * target.h (class Target): Add plt_section_for_global and
3933         plt_section_for_local functions.  Add do_plt_section_for_global
3934         and do_plt_section_for_local virtual functions.
3935         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3936         clarifying comments.
3937         (Symbol::use_plt_offset): Handle IFUNC symbol.
3938         * object.cc (Sized_relobj::Sized_relobj): Initialize
3939         local_plt_offsets_.
3940         (Sized_relobj::local_has_plt_offset): New function.
3941         (Sized_relobj::local_plt_offset): New function.
3942         (Sized_relobj::set_local_plt_offset): New function.
3943         (Sized_relobj::do_count): Handle IFUNC symbol.
3944         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3945         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3946         is_ifunc_symbol functions.
3947         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3948         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3949         local_plt_offsets_ field.
3950         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3951         * output.h (class Output_section_data): Add non-const
3952         output_section function.
3953         (class Output_data_got): Update declarations.
3954         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3955         Add use_plt_offset parameter to global and local constructors.
3956         Change all callers.  Change local_sym_index_ field to 31 bits.
3957         Change GSYM_CODE and CONSTANT_CODE accordingly.
3958         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3959         doing a static link don't set sh_link field.
3960         (Output_data_got::Got_entry::write): Use PLT offset if
3961         appropriate.
3962         (Output_data_got::add_global_plt): New function.
3963         (Output_data_got::add_local_plt): New function.
3964         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3965         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3966         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3967         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3968         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3969         IFUNC conditional.
3970         * testsuite/ifunc-sel.h: New file.
3971         * testsuite/ifuncmain1.c: New file.
3972         * testsuite/ifuncmain1vis.c: New file.
3973         * testsuite/ifuncmod1.c: New file.
3974         * testsuite/ifuncdep2.c: New file.
3975         * testsuite/ifuncmain2.c: New file.
3976         * testsuite/ifuncmain3.c: New file.
3977         * testsuite/ifuncmod3.c: New file.
3978         * testsuite/ifuncmain4.c: New file.
3979         * testsuite/ifuncmain5.c: New file.
3980         * testsuite/ifuncmod5.c: New file.
3981         * testsuite/ifuncmain6pie.c: New file.
3982         * testsuite/ifuncmod6.c: New file.
3983         * testsuite/ifuncmain7.c: New file.
3984         * configure, testsuite/Makefile.in: Rebuild.
3985
3986 2010-08-18  Ian Lance Taylor  <iant@google.com>
3987
3988         * incremental.cc
3989         (Output_section_incremental_inputs::write_input_files): Add cast
3990         to avoid signed/unsigned comparison warning.
3991         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3992
3993 2010-08-12  Cary Coutant  <ccoutant@google.com>
3994
3995         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3996
3997 2010-08-13  Ian Lance Taylor  <iant@google.com>
3998
3999         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4000
4001 2010-08-12  Cary Coutant  <ccoutant@google.com>
4002             Doug Kwan  <dougkwan@google.com>
4003
4004         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4005         defintion overrides non-weak undef, remember that the original undef
4006         is not weak.
4007         * symtab.cc (Symbol_table::sized_write_global): For undef without
4008         an original weak binding, set binding to global in output.
4009         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4010         * testsuite/Makefile.in: Regenerate.
4011         * testsuite/strong_ref_weak_def.sh: New file.
4012         * testsuite/strong_ref_weak_def_1.c: Ditto.
4013         * testsuite/strong_ref_weak_def_2.c: Ditto.
4014
4015 2010-08-12  Cary Coutant  <ccoutant@google.com>
4016
4017         * testsuite/incremental_test.sh: Rewrite.
4018         * testsuite/incremental_test_1.c: Rewrite.
4019         * testsuite/incremental_test_2.c: Rewrite.
4020
4021 2010-08-12  Cary Coutant  <ccoutant@google.com>
4022
4023         * arm.cc (Target_arm::got_size): Add const.
4024         (Target_arm::got_entry_count): New function.
4025         (Target_arm::plt_entry_count): New function.
4026         (Target_arm::first_plt_entry_offset): New function.
4027         (Target_arm::plt_entry_size): New function.
4028         (Output_data_plt_arm::entry_count): New function.
4029         (Output_data_plt_arm::first_plt_entry_offset): New function.
4030         (Output_data_plt_arm::get_plt_entry_size): New function.
4031         * i386.cc (Target_i386::got_size): Add const.
4032         (Target_i386::got_entry_count): New function.
4033         (Target_i386::plt_entry_count): New function.
4034         (Target_i386::first_plt_entry_offset): New function.
4035         (Target_i386::plt_entry_size): New function.
4036         (Output_data_plt_i386::entry_count): New function.
4037         (Output_data_plt_i386::first_plt_entry_offset): New function.
4038         (Output_data_plt_i386::get_plt_entry_size): New function.
4039         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4040         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4041         * incremental.cc: Include target.h.
4042         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4043         parameter.  Adjust all callers.  Find incremental_got_plt section.
4044         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4045         section.
4046         (Output_section_incremental_inputs::set_final_data_size): Calculate
4047         size of incremental_got_plt section.
4048         (Output_section_incremental_inputs::do_write): Write the
4049         incremental_got_plt section.
4050         (Got_plt_view_info): New struct.
4051         (Local_got_offset_visitor): New class.
4052         (Global_got_offset_visitor): New class.
4053         (Global_symbol_visitor_got_plt): New class.
4054         (Output_section_incremental_inputs::write_got_plt): New function.
4055         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4056         Add parameter.  Adjust all callers.
4057         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4058         (Incremental_inputs::got_plt_section): New function.
4059         (Incremental_inputs::got_plt_section_): New data member.
4060         (Incremental_got_plt_reader): New class.
4061         * layout.cc (Layout::create_incremental_info_sections): Add the
4062         incremental_got_plt section.
4063         * object.h (Got_offset_list::get_list): New function.
4064         (Got offset_list::for_all_got_offsets): New function.
4065         (Sized_relobj::local_got_offset_list): New function.
4066         * powerpc.cc (Target_powerpc::got_size): Add const.
4067         (Target_powerpc::got_entry_count): New function.
4068         (Target_powerpc::plt_entry_count): New function.
4069         (Target_powerpc::first_plt_entry_offset): New function.
4070         (Target_powerpc::plt_entry_size): New function.
4071         (Output_data_plt_powerpc::entry_count): New function.
4072         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4073         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4074         * sparc.cc (Target_sparc::got_size): Add const.
4075         (Target_sparc::got_entry_count): New function.
4076         (Target_sparc::plt_entry_count): New function.
4077         (Target_sparc::first_plt_entry_offset): New function.
4078         (Target_sparc::plt_entry_size): New function.
4079         (Output_data_plt_sparc::entry_count): New function.
4080         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4081         (Output_data_plt_sparc::get_plt_entry_size): New function.
4082         * symtab.h (Symbol::got_offset_list): New function.
4083         (Symbol_table::for_all_symbols): New function.
4084         * target.h (Sized_target::got_entry_count): New function.
4085         (Sized_target::plt_entry_count): New function.
4086         (Sized_target::plt_entry_size): New function.
4087         * x86_64.cc (Target_x86_64::got_size): Add const.
4088         (Target_x86_64::got_entry_count): New function.
4089         (Target_x86_64::plt_entry_count): New function.
4090         (Target_x86_64::first_plt_entry_offset): New function.
4091         (Target_x86_64::plt_entry_size): New function.
4092         (Output_data_plt_x86_64::entry_count): New function.
4093         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4094         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4095
4096 2010-08-12  Cary Coutant  <ccoutant@google.com>
4097
4098         * archive.cc: Include incremental.h.
4099         (Archive::Archive): Initialize incremental_info_.
4100         (Archive::include_member): Record archive members in incremental info.
4101         (Add_archive_symbols::run): Record begin and end of an archive in
4102         incremental info.
4103         (Lib_group::include_member): Record objects in incremental info.
4104         * archive.h (Incremental_archive_entry): Forward declaration.
4105         (Archive::set_incremental_info): New member function.
4106         (Archive::incremental_info): New member function.
4107         (Archive::Unused_symbol_iterator): New class.
4108         (Archive::unused_symbols_begin): New member function.
4109         (Archive::unused_symbols_end): New member function.
4110         (Archive::incremental_info_): New data member.
4111         * incremental-dump.cc (find_input_containing_global): New function.
4112         (dump_incremental_inputs): Dump new incremental info sections.
4113         * incremental.cc: Include symtab.h.
4114         (Output_section_incremental_inputs): New class.
4115         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4116         new incremental info sections.
4117         (Sized_incremental_binary::do_check_inputs): Likewise.
4118         (Incremental_inputs::report_archive): Remove.
4119         (Incremental_inputs::report_archive_begin): New function.
4120         (Incremental_inputs::report_archive_end): New function.
4121         (Incremental_inputs::report_object): New function.
4122         (Incremental_inputs::finalize_inputs): Remove.
4123         (Incremental_inputs::report_input_section): New function.
4124         (Incremental_inputs::report_script): Rewrite.
4125         (Incremental_inputs::finalize): Do nothing but finalize string table.
4126         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4127         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4128         (Incremental_inputs::create_data_sections): New function.
4129         (Incremental_inputs::relocs_entsize): New function.
4130         (Output_section_incremental_inputs::set_final_data_size): New function.
4131         (Output_section_incremental_inputs::do_write): New function.
4132         (Output_section_incremental_inputs::write_header): New function.
4133         (Output_section_incremental_inputs::write_input_files): New function.
4134         (Output_section_incremental_inputs::write_info_blocks): New function.
4135         (Output_section_incremental_inputs::write_symtab): New function.
4136         * incremental.h (Incremental_script_entry): Forward declaration.
4137         (Incremental_object_entry): Forward declaration.
4138         (Incremental_archive_entry): Forward declaration.
4139         (Incremental_inputs): Forward declaration.
4140         (Incremental_inputs_header_data): Remove.
4141         (Incremental_inputs_header): Remove.
4142         (Incremental_inputs_header_write): Remove.
4143         (Incremental_inputs_entry_data): Remove.
4144         (Incremental_inputs_entry): Remove.
4145         (Incremental_inputs_entry_write): Remove.
4146         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4147         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4148         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4149         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4150         Likewise.
4151         (Incremental_input_entry): New class.
4152         (Incremental_script_entry): New class.
4153         (Incremental_object_entry): New class.
4154         (Incremental_archive_entry): New class.
4155         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4156         (Incremental_inputs::report_inputs): Remove.
4157         (Incremental_inputs::report_archive): Remove.
4158         (Incremental_inputs::report_archive_begin): New function.
4159         (Incremental_inputs::report_archive_end): New function.
4160         (Incremental_inputs::report_object): Change prototype.
4161         (Incremental_inputs::report_input_section): New function.
4162         (Incremental_inputs::report_script): Change prototype.
4163         (Incremental_inputs::get_reloc_count): New function.
4164         (Incremental_inputs::set_reloc_count): New function.
4165         (Incremental_inputs::create_data_sections): New function.
4166         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4167         (Incremental_inputs::inputs_section): New function.
4168         (Incremental_inputs::symtab_section): New function.
4169         (Incremental_inputs::relocs_section): New function.
4170         (Incremental_inputs::get_stringpool): Add const.
4171         (Incremental_inputs::command_line): Add const.
4172         (Incremental_inputs::inputs): Remove.
4173         (Incremental_inputs::command_line_key): New function.
4174         (Incremental_inputs::input_file_count): New function.
4175         (Incremental_inputs::input_files): New function.
4176         (Incremental_inputs::relocs_entsize): New function.
4177         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4178         (Incremental_inputs::finalize_inputs): Remove.
4179         (Incremental_inputs::Input_info): Remove.
4180         (Incremental_inputs::lock_): Remove.
4181         (Incremental_inputs::inputs_): Change type.
4182         (Incremental_inputs::inputs_map_): Remove.
4183         (Incremental_inputs::current_object_entry_): New data member.
4184         (Incremental_inputs::inputs_section_): New data member.
4185         (Incremental_inputs::symtab_section_): New data member.
4186         (Incremental_inputs::relocs_section_): New data member.
4187         (Incremental_inputs::reloc_count_): New data member.
4188         (Incremental_inputs_reader): New class.
4189         (Incremental_symtab_reader): New class.
4190         (Incremental_relocs_reader): New class.
4191         * layout.cc (Layout::finalize): Move finalization of incremental info
4192         and creation of incremental info sections to follow finalization of
4193         symbol table.  Set offsets for postprocessing sections.
4194         (Layout::create_incremental_info_sections): Call
4195         Incremental_inputs::create_data_sections.  Add incremental symtab
4196         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4197         sections to layout after input sections.
4198         * layout.h (struct Timespec): Forward declaration.
4199         (Layout::incremental_inputs): Add const.
4200         (Layout::create_incremental_info_sections): Add parameter.
4201         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4202         * object.cc: Include incremental.h.
4203         (Relobj::finalize_incremental_relocs): New function.
4204         (Sized_relobj::do_layout): Record input sections in incremental info.
4205         * object.h (Object::output_section): New function.
4206         (Object::output_section_offset): Moved from Relobj.
4207         (Object::get_incremental_reloc_base): New function.
4208         (Object::get_incremental_reloc_count): New function.
4209         (Object::do_output_section): New function.
4210         (Object::do_output_section_offset): Moved from Relobj.
4211         (Object::do_get_incremental_reloc_base): New function.
4212         (Object::do_get_incremental_reloc_count): New function.
4213         (Object::Object): Initialize new data members.
4214         (Relobj::output_section): Renamed do_output_section and moved to
4215         protected.
4216         (Relobj::output_section_offset): Moved to Object.
4217         (Relobj::do_get_incremental_reloc_base): New function.
4218         (Relobj::do_get_incremental_reloc_count): New function.
4219         (Relobj::allocate_incremental_reloc_counts): New function.
4220         (Relobj::count_incremental_reloc): New function.
4221         (Relobj::finalize_incremental_relocs): New function.
4222         (Relobj::next_incremental_reloc_index): New function.
4223         (Relobj::reloc_counts_): New data member.
4224         (Relobj::reloc_bases_): New data member.
4225         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4226         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4227         (Sized_relobj::incremental_relocs_scan): New function.
4228         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4229         (Sized_relobj::incremental_relocs_write): New function.
4230         (Sized_relobj::incremental_relocs_write_reltype): New function.
4231         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4232         incremental link.
4233         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4234         archives and object files elsewhere.
4235         (Add_symbols::run): Report object files here.
4236         (Finish_group::run): Report end of archive at end of group.
4237         * reloc.cc: Include layout.h, incremental.h.
4238         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4239         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4240         (Sized_relobj::incremental_relocs_scan): New function.
4241         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4242         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4243         (Sized_relobj::incremental_relocs_write): New function.
4244         (Sized_relobj::incremental_relocs_write_reltype): New function.
4245         * script.cc (read_input_script): Rewrite test for incremental link.
4246         Change call to Incremental_inputs::report_script.
4247         * symtab.h (Symbol_table::first_global_index): New function.
4248         (Symbol_table::output_count): New function.
4249
4250 2010-08-12  Doug Kwan  <dougkwan@google.com>
4251
4252         * arm.cc (Target_arm::merge_object_attributes): Check command line
4253         options --no-wchar-size-warning and --no-enum-size-warning.
4254         * options.h (General_options): Add ld-compatible options
4255         --no-enum-size-warning and --no-wchar-size-warning.
4256
4257 2010-08-04  Ian Lance Taylor  <iant@google.com>
4258
4259         * x86_64.cc (Target_x86_64::Scan::local): Use
4260         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4261         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4262         (Target_x86_64::Scan::global): Likewise.
4263         (Target_x86_64::Relocate::relocate): Likewise.
4264         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4265         Likewise.
4266
4267 2010-08-03  Cary Coutant  <ccoutant@google.com>
4268
4269         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4270         to reserve space in merged_strings vector. Keep total input size
4271         for stats.
4272         (Output_merge_string::do_print_merge_stats): Print total input size.
4273         * merge.h (Output_merge_string): Add input_size_ field.
4274         * stringpool.cc (Stringpool_template::string_length): Move
4275         implementations out of Stringpool_template class and place in
4276         stringpool.h.
4277         * stringpool.h (string_length): Move out of Stringpool_template.
4278
4279 2010-08-03  Ian Lance Taylor  <iant@google.com>
4280
4281         PR 11712
4282         * layout.cc (relaxation_loop_body): If address of load segment is
4283         set, adjust address to include headers if possible.
4284
4285 2010-08-03  Ian Lance Taylor  <iant@google.com>
4286
4287         * version.cc (version_string): Bump to 1.10.
4288
4289 2010-08-03  Ian Lance Taylor  <iant@google.com>
4290
4291         PR 11805
4292         * layout.h (enum Output_section_order): Define.
4293         (class Layout): Update declarations.
4294         * layout.cc (Layout::get_output_section): Add order parameter.
4295         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4296         is_first_non_relro parameters.  Change all callers.
4297         (Layout::choose_output_section): Likewise.
4298         (Layout::add_output_section_data): Likewise.
4299         (Layout::make_output_section): Likewise.  Set order.
4300         (Layout::default_section_order): New function.
4301         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4302         * output.cc (Output_section::Output_section): Initialize order_.
4303         Don't initialize deleted fields.
4304         (Output_segment::Output_segment): Don't initialize deleted
4305         fields.
4306         (Output_segment::add_output_section_to_load): New function
4307         replacing add_output_section.  Change all callers to call this or
4308         add_output_section_to_nonload.
4309         (Output_segment::add_output_section_to_nonload): New function.
4310         (Output_segment::remove_output_section): Rewrite.
4311         (Output_segment::add_initial_output_data): Likewise.
4312         (Output_segment::has_any_data_sections): Likewise.
4313         (Output_segment::is_first_section_relro): Likewise.
4314         (Output_segment::maximum_alignment): Likewise.
4315         (Output_segment::has_dynamic_reloc): New function replacing
4316         dynamic_reloc_count.  Change all callers.
4317         (Output_segment::has_dynamic_reloc_list): New function replacing
4318         dynamic_reloc_count_list.  Change all callers.
4319         (Output_segment::set_section_addresses): Rewrite.
4320         (Output_segment::set_offset): Rewrite.
4321         (Output_segment::find_first_and_last_list): Remove.
4322         (Output_segment::set_tls_offsets): Rewrite.
4323         (Output_segment::first_section_load_address): Likewise.
4324         (Output_segment::output_section_count): Likewise.
4325         (Output_segment::section_with_lowest_load_address): Likewise.
4326         (Output_segment::write_section_headers): Likewise.
4327         (Output_segment::print_sections_to_map): Likewise.
4328         * output.h (class Output_data): Remove dynamic_reloc_count_
4329         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4330         (Output_data::add_dynamic_reloc): Rewrite.
4331         (Output_data::has_dynamic_reloc): New function.
4332         (Output_data::dynamic_reloc_count): Remove.
4333         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4334         is_last_relro_, is_first_non_relro_, is_interp_,
4335         is_dynamic_linker_section_ fields.  Add order and set_order
4336         functions.  Remove is_relro_local, set_is_relro_local,
4337         is_last_relro, set_is_last_relro, is_first_non_relro,
4338         set_is_first_non_relro functions, is_interp, set_is_interp,
4339         is_dynamic_linker_section, and set_is_dynamic_linker_section
4340         functions.
4341         (class Output_segment): Change Output_data_list from std::list to
4342         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4343         output_bss_ fields.  Update declarations.
4344
4345 2010-08-02  Ian Lance Taylor  <iant@google.com>
4346
4347         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4348         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4349         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4350
4351 2010-08-02  Ian Lance Taylor  <iant@google.com>
4352
4353         PR 11855
4354         * script.cc (Script_options::Script_options): Initialize
4355         symbol_definitions_ and symbol_references_.
4356         (Script_options::add_symbol_assignment): Update
4357         symbol_definitions_ and symbol_references_.
4358         (Script_options::add_symbol_reference): New function.
4359         (script_symbol): New function.
4360         * script.h (class Script_options): Add symbol_definitions_ and
4361         symbol_references_ fields.
4362         (Script_options::referenced_const_iterator): New type.
4363         (Script_options::referenced_begin): New function.
4364         (Script_options::referenced_end): New function.
4365         (Script_options::is_referenced): New function.
4366         (Script_options::any_unreferenced): New function.
4367         * script-c.h (script_symbol): Declare.
4368         * yyscript.y (exp): Call script_symbol.
4369         * symtab.cc: Include "script.h".
4370         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4371         Change all callers.  Check symbols referenced by scripts.
4372         (Symbol_table::add_undefined_symbols_from_command_line): Add
4373         layout parameter.  Change all callers.
4374         (Symbol_table::do_add_undefined_symbols_from_command_line):
4375         Likewise.  Break out loop body.  Check symbols referenced by
4376         scripts.
4377         (Symbol_table::add_undefined_symbol_from_command_line): New
4378         function broken out of
4379         do_add_undefined_symbols_from_command_line.
4380         * symtab.h (class Symbol_table): Update declarations.
4381         * archive.cc: Include "layout.h".
4382         (Archive::should_include_member): Add layout parameter.  Change
4383         all callers.  Check for symbol mentioned in expression.
4384         * archive.h (class Archive): Update declaration.
4385         * object.cc (Sized_relobj::do_should_include_member): Add layout
4386         parameter.
4387         * object.h (Object::should_include_member): Add layout parameter.
4388         Change all callers.
4389         (Object::do_should_include_member): Add layout parameter.
4390         (class Sized_relobj): Update declaration.
4391         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4392         parameter.
4393         * dynobj.h (class Sized_dynobj): Update declaration.
4394         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4395         layout parameter.
4396         * plugin.h (class Sized_pluginobj): Update declaration.
4397
4398 2010-08-02  Ian Lance Taylor  <iant@google.com>
4399
4400         PR 11866
4401         * output.cc (Output_segment::set_offset): Search for the first and
4402         last sections rather than assuming that the list is in order.
4403         (Output_segment::find_first_and_last_list): New function.
4404         * output.h (class Output_segment): Update declarations.
4405         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4406         (relro_strip_test_SOURCES): New variable.
4407         (relro_strip_test_DEPENDENCIES): New variable.
4408         (relro_strip_test_LDFLAGS): New variable.
4409         (relro_strip_test_LDADD): New variable.
4410         (relro_strip_test.so): New target.
4411
4412 2010-08-02  Ian Lance Taylor  <iant@google.com>
4413
4414         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4415         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4416         (Target_i386::got_tlsdesc_section): New function.
4417         (Target_i386::got_section): Create space for GOT entries for
4418         TLSDESC relocations.
4419         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4420         R_386_TLS_GOTDESC.
4421         (Target_i386::Scan::global): Likewise.
4422         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4423         using TLSDESC GOT.
4424         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4425         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4426         (Target_x86_64::got_tlsdesc_section): New function.
4427         (Target_x86_64::got_section): Create space for GOT entries for
4428         TLSDESC relocations.
4429         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4430         R_386_TLS_GOTDESC.
4431         (Target_x86_64::Scan::global): Likewise.
4432         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4433         using TLSDESC GOT.
4434
4435 2010-08-02  Ian Lance Taylor  <iant@google.com>
4436
4437         * testsuite/final_layout.sh: Use dc to convert from hex to
4438         decimal.
4439
4440 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4441
4442         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4443         paramter to the call to gold::gc_process_relocs.
4444         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4445         paramter to the call to gold::gc_process_relocs.
4446         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4447         parameter to the call to gold::gc_process_relocs.
4448         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4449         template parameter to the call to gold::gc_process_relocs.
4450         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4451         paramter to the call to gold::gc_process_relocs.
4452         * gc.h (get_embedded_addend_size): New function.
4453         (gc_process_relocs): Save the size of the reloc for use by ICF.
4454         * icf.cc (get_section_contents): Get the addend from the text section
4455         for SHT_REL relocation sections.
4456         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4457         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4458         * int_encoding.h (read_from_pointer): New overloaded function.
4459         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4460         * testsuite/icf_sht_rel_addend_test.sh: New file.
4461         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4462         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4463
4464 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4465
4466         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4467         * Makefile.in: Regenerate.
4468         * testsuite/Makefile.in: Regenerate.
4469
4470 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4471
4472         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4473         * gold/testsuite/debug_msg.cc: Likewise.
4474         * gold/testsuite/odr_violation1.cc
4475         * gold/testsuite/odr_violation2.cc
4476
4477 2010-07-21  Cary Coutant  <ccoutant@google.com>
4478
4479         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4480         string, and length fields.
4481         (Output_merge_string::Merged_strings_list): New type.
4482         (Output_merge_string::Merged_strings_lists): New typedef.
4483         (Output_merge_string): Replace merged_strings_ with
4484         merged_strings_lists_.
4485         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4486         Merged_strings_list per input object and section.  Don't store pointer
4487         to the string.  Don't store length with each merged string entry.
4488         (Output_merge_string::finalize_merged_data): Loop over list of merged
4489         strings lists.  Recompute length of each merged string.
4490
4491 2010-07-15  Cary Coutant  <ccoutant@google.com>
4492
4493         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4494         here.
4495
4496 2010-07-14  Ian Lance Taylor  <iant@google.com>
4497
4498         * descriptors.cc (Descriptors::open): Report correct name in error
4499         message.
4500
4501 2010-07-13  Doug Kwan  <dougkwan@google.com>
4502
4503         * arm.cc (Arm_input_section::Arm_input_section): For a
4504         SHT_ARM_EXIDX section, always keeps the input sections.
4505         (Arm_input_section::set_exidx_section_link): New method.
4506         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4507         has_errors_ to false.
4508         (Arm_exidx_input_section::has_errors,
4509         Arm_exidx_input_section::set_has_errors): New methods.
4510         (Arm_exidx_input_section::has_errors_): New data member.
4511         (Arm_relobj::get_exidx_shndx_list): New method.
4512         (Arm_output_section::append_text_sections_to_list): Do not skip
4513         section without SHF_EXECINSTR.
4514         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4515         errors.
4516         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4517         section header.  Make error messages more verbose.  Check for
4518         a non-executable section linked to an EXIDX section.
4519         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4520         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4521         check that there is no deferred EXIDX section if we exit early.
4522         Instead of not making an EXIDX section in case of an error, make one
4523         and set the has_errors flag of it.
4524         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4525         in a relocatable link.
4526         (Target_arm::do_relax): Look for the EXIDX output section instead of
4527         assuming that it is called .ARM.exidx.
4528         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4529         section list.  Do not check for SHF_EXECINSTR section flags but
4530         skip any input section with errors.
4531         * output.cc (Output_section::Output_section): Initialize
4532         always_keeps_input_sections_ to false.
4533         (Output_section::add_input_section): Check for
4534         always_keeps_input_sections_.
4535         *  output.h (Output_section::always_keeps_input_sections,
4536         Output_section::set_always_keeps_input_sections): New methods.
4537         (Output_section::always_keeps_input_sections): New data member.
4538
4539 2010-07-13  Rafael Espindola  <espindola@google.com>
4540
4541         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4542         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4543
4544 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4545             Ian Lance Taylor  <iant@google.com>
4546
4547         * output.h (Output_section_lookup_maps::add_merge_section):
4548         Correct check of whether value was inserted.
4549         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4550         (Output_section_lookup_maps::add_relaxed_input_section):
4551         Likewise.
4552         * arm.cc (Target_arm::got_section): Remove used local os.
4553         * i386.cc (Target_i386::got_section): Likewise.
4554         * x86_64.cc (Target_x86_64::got_section): Likewise.
4555         * sparc.cc (Target_sparc::got_section): Likewise.
4556         (Target_sparc::relocate): Remove unused local have_got_offset.
4557         * powerpc.cc (Target_powerpc::relocate): Likewise.
4558
4559 2010-07-13  Ian Lance Taylor  <iant@google.com>
4560
4561         * compressed_output.cc (zlib_decompress): Fix signature in
4562         !HAVE_ZLIB_H case.
4563
4564         * archive.cc (Archive::include_member): Unlock an external member
4565         of a thin archive.  Don't bother to delete an object we know is
4566         NULL.
4567
4568 2010-07-12  Cary Coutant  <ccoutant@google.com>
4569
4570         * compressed_output.cc (zlib_decompress): New function.
4571         (get_uncompressed_size): New function.
4572         (decompress_input_section): New function.
4573         * compressed_output.h (get_uncompressed_size): New function.
4574         (decompress_input_section): New function.
4575         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4576         Handle compressed debug sections.
4577         * layout.cc (is_compressed_debug_section): New function.
4578         (Layout::output_section_name): Map compressed section names to
4579         canonical names.
4580         * layout.h (is_compressed_debug_section): New function.
4581         (is_debug_info_section): Recognize compressed debug sections.
4582         * merge.cc: Include compressed_output.h.
4583         (Output_merge_data::do_add_input_section): Handle compressed
4584         debug sections.
4585         (Output_merge_string::do_add_input_section): Handle compressed
4586         debug sections.
4587         * object.cc: Include compressed_output.h.
4588         (Sized_relobj::Sized_relobj): Initialize new data members.
4589         (build_compressed_section_map): New function.
4590         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4591         * object.h (Object::section_is_compressed): New method.
4592         (Object::do_section_is_compressed): New method.
4593         (Sized_relobj::Compressed_section_map): New type.
4594         (Sized_relobj::do_section_is_compressed): New method.
4595         (Sized_relobj::compressed_sections_): New data member.
4596         * output.cc (Output_section::add_input_section): Handle compressed
4597         debug sections.
4598         * reloc.cc: Include compressed_output.h.
4599         (Sized_relobj::write_sections): Handle compressed debug sections.
4600
4601 2010-07-08  Cary Coutant  <ccoutant@google.com>
4602
4603         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4604         weak when resolving to a dynamic def.
4605         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4606         for weak undef/dynamic def cases. Adjust callers.
4607         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4608         undef_binding_weak_.
4609         (Symbol_table::sized_write_globals): Adjust symbol binding.
4610         (Symbol_table::sized_write_symbol): Add binding parameter.
4611         * symtab.h (Symbol::set_undef_binding): New method.
4612         (Symbol::is_undef_binding_weak): New method.
4613         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4614         (Symbol_table::should_override): Add new parameter.
4615         (Symbol_table::sized_write_symbol): Add new parameter.
4616
4617         * testsuite/weak_undef_file1.cc: Add new test case.
4618         * testsuite/weak_undef_file2.cc: Fix header comment.
4619         * testsuite/weak_undef_test.cc: Add new test case.
4620
4621 2010-06-29  Doug Kwan  <dougkwan@google.com>
4622
4623         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4624         Initialize USE_SYMBOL_.
4625         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4626         definition.
4627         (Arm_reloc_property::uses_symbol_): New data member declaration.
4628         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4629         uses symbol value and symbol is undefined but not weakly undefined.
4630
4631 2010-06-28  Rafael Espindola  <espindola@google.com>
4632
4633         * plugin.cc (Plugin::load): Use dlerror.
4634
4635 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4636
4637         * symtab.cc (detect_odr_violations): When reporting an ODR
4638         violation, report an object where the symbol is defined.
4639
4640 2010-06-25  Doug Kwan  <dougkwan@google.com>
4641
4642         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4643         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4644         definition.
4645         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4646         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4647         target hook to detect function points.
4648         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4649         * icf.h (Icf::check_section_for_function_pointers): Change type of
4650         parameter SECTION_NAME to const reference to std::string.  Use
4651         target hook to determine if section may have unsafe pointers.
4652         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4653         method definition.
4654
4655 2010-06-21  Rafael Espindola  <espindola@google.com>
4656
4657         * fileread.cc (Input_file::find_fie): New
4658         (Input_file::open): Use Input_file::find_fie.
4659         * fileread.h (Input_file::find_fie): New
4660         * plugin.cc (set_extra_library_path): New.
4661         (Plugin::load): Add set_extra_library_path to the transfer vector.
4662         (Plugin_manager::set_extra_library_path): New.
4663         (Plugin_manager::add_input_file): Use the extra search path if set.
4664         (set_extra_library_path(): New.
4665         * plugin.h (Plugin_manager): Add set_extra_library_path and
4666         extra_search_path_.
4667
4668 2010-06-19  Cary Coutant  <ccoutant@google.com>
4669
4670         * layout.cc (gdb_sections): Add .debug_types.
4671         (lines_only_debug_sections): Likewise.
4672
4673 2010-06-18  Rafael Espindola  <espindola@google.com>
4674
4675         * plugin.cc (add_input_file,add_input_library)
4676         (Plugin_manager::add_input_file): Make filename arguments const.
4677         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4678         const.
4679
4680 2010-06-16  Doug Kwan  <dougkwan@google.com>
4681
4682         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4683         .ARM.attributes section if we have not merged any input
4684         attributes sections.
4685
4686 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4687
4688         * arm.cc: Allow combining objects with no EABI version
4689         information.
4690
4691 2010-06-15  Rafael Espindola  <espindola@google.com>
4692
4693         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4694
4695 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4696
4697         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4698         (struct iovec): Correct !HAVE_READV definition.
4699
4700 2010-06-10  Cary Coutant  <ccoutant@google.com>
4701
4702         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4703         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4704         reloc sections.
4705         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4706
4707         PR 11683
4708         * symtab.h (Symbol::is_placeholder): New member function.
4709         * target-reloc.h (relocate_section): Check for placeholder symbols.
4710
4711         * testsuite/Makefile.am (plugin_test_8): New test.
4712         (plugin_test_9): New test.
4713         * testsuite/Makefile.in: Regenerate.
4714
4715 2010-06-09  Nick Clifton  <nickc@redhat.com>
4716
4717         * yyscript.y (input_list_element): Allow strings prefixed with
4718         the '-' character.  Treat these as libraries.
4719         * script.cc (script_add_library): New function.  Adds a library
4720         specified by "-l<name>" found in an input script.
4721         * script-c.h: Add prototype for script_add_library.
4722
4723 2010-06-07  Doug Kwan  <dougkwan@google.com>
4724
4725         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4726         Restrict stub-group size to be within long conditional branch
4727         range when working around cortex-A8 erratum.
4728
4729 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4730
4731         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4732         #ifdef typo.
4733
4734 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4735
4736         PR gold/11658
4737         * output.cc
4738         (Output_section::Input_section_sort_entry::compare_section_ordering):
4739         Change to return non-zero correctly.
4740         (Output_section::Input_section_sort_section_order_index_compare
4741         ::operator()): Change to fix ambiguity in comparisons.
4742
4743 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4744
4745         * gold.h (is_wildcard_string): New function.
4746         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4747         (Layout::layout_eh_frame): Ditto.
4748         (Layout::find_section_order_index): New method.
4749         (Layout::read_layout_from_file): New method.
4750         * layout.h (Layout::find_section_order_index): New method.
4751         (Layout::read_layout_from_file): New method.
4752         (Layout::input_section_position_): New private member.
4753         (Layout::input_section_glob_): New private member.
4754         * main.cc (main): Call read_layout_from_file here.
4755         * options.h (--section-ordering-file): New option.
4756         * output.cc (Output_section::input_section_order_specified_): New
4757         member.
4758         (Output_section::Output_section): Initialize new member.
4759         (Output_section::add_input_section): Add new parameter.
4760         Keep input sections when --section-ordering-file is used.
4761         (Output_section::set_final_data_size): Sort input sections when
4762         section ordering file is specified.
4763         (Output_section::Input_section_sort_entry): Add new parameter.
4764         Check sorting type.
4765         (Output_section::Input_section_sort_entry::compare_section_ordering):
4766         New method.
4767         (Output_section::Input_section_sort_compare::operator()): Change to
4768         consider section_order_index.
4769         (Output_section::Input_section_sort_init_fini_compare::operator()):
4770         Change to consider section_order_index.
4771         (Output_section::Input_section_sort_section_order_index_compare
4772         ::operator()): New method.
4773         (Output_section::sort_attached_input_sections): Change to sort
4774         according to section order when specified.
4775         (Output_section::add_input_section<32, true>): Add new parameter.
4776         (Output_section::add_input_section<64, true>): Add new parameter.
4777         (Output_section::add_input_section<32, false>): Add new parameter.
4778         (Output_section::add_input_section<64, false>): Add new parameter.
4779         * output.h (Output_section::add_input_section): Add new parameter.
4780         (Output_section::input_section_order_specified): New
4781         method.
4782         (Output_section::set_input_section_order_specified): New method.
4783         (Input_section::Input_section): Initialize section_order_index_.
4784         (Input_section::section_order_index): New method.
4785         (Input_section::set_section_order_index): New method.
4786         (Input_section::section_order_index_): New member.
4787         (Input_section::Input_section_sort_section_order_index_compare): New
4788         struct.
4789         (Output_section::input_section_order_specified_): New member.
4790         * script-sections.cc (is_wildcard_string): Delete and move modified
4791         method to gold.h.
4792         (Output_section_element_input::Output_section_element_input): Modify
4793         call to is_wildcard_string.
4794         (Output_section_element_input::Input_section_pattern
4795         ::Input_section_pattern): Ditto.
4796         (Output_section_element_input::Output_section_element_input): Ditto.
4797         * testsuite/Makefile.am (final_layout): New test case.
4798         * testsuite/Makefile.in: Regenerate.
4799         * testsuite/final_layout.cc: New file.
4800         * testsuite/final_layout.sh: New file.
4801
4802 2010-06-01  Rafael Espindola  <espindola@google.com>
4803
4804         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4805
4806 2010-06-01  Rafael Espindola  <espindola@google.com>
4807
4808         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4809         visibility of symbols.
4810
4811 2010-05-27  Doug Kwan  <dougkwan@google.com>
4812
4813         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4814         from start of output section instead of address for a local symbol
4815         in a merged or relaxed section when doing a relocatable link.
4816
4817 2010-05-26  Rafael Espindola  <espindola@google.com>
4818
4819        PR 11604
4820         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4821         adding sections the garbage collector removed.
4822         * gold/testsuite/Makefile.am: Add test.
4823         * gold/testsuite/Makefile.in: Regenerate.
4824         * gold/testsuite/plugin_test_7.sh: New.
4825         * gold/testsuite/plugin_test_7_1.c: New.
4826         * gold/testsuite/plugin_test_7_2.c: New.
4827
4828 2010-05-26  Rafael Espindola  <espindola@google.com>
4829
4830         * script-sections.cc (Output_section_definition::set_section_addresses):
4831         Check for --section-start.
4832
4833 2010-05-26  Doug Kwan  <dougkwan@google.com>
4834
4835         * arm.cc (Arm_scan_relocatable_relocs): New class.
4836         (Target_arm::relocate_special_relocatable): New method.
4837         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4838         (Arm_relocate_functions::thumb_branch_common): Same.
4839         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4840         instead of Default_scan_relocatable_relocs.
4841         * target-reloc.h (relocate_for_relocatable): Let target handle
4842         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4843         * target.h (Sized_target::relocate_special_relocatable): New method.
4844
4845 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4846
4847         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4848
4849 2010-05-23  Doug Kwan  <dougkwan@google.com>
4850
4851         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4852         instead of a cast.
4853         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4854         with a direct branch, not a conditional branch, to a stub.
4855         * merge.cc (Output_merge_base::record_input_section): New method
4856         defintion.
4857         (Output_merge_data::do_add_input_section): Record input section if
4858         keeps-input-sections flag is set.
4859         (Output_merge_string::do_add_input_section): Ditto.
4860         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4861         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4862         INPUT_SECTIONS_.
4863         (Output_merge_base::keeps_input_sections,
4864         Output_merge_base::set_keeps_input_sections,
4865         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4866         method definitions.
4867         (Output_merge_base::Input_sections): New type declaration.
4868         (Output_merge_base::input_sections_begin,
4869         Output_merge_base::input_sections_end,
4870         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4871         (Output_merge_base::bool keeps_input_sections_,
4872         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4873         Output_merge_base::input_sections_): New data members.
4874         (Output_merge_data::do_set_keeps_input_sections): New method
4875         defintion.
4876         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4877         * output.cc (Output_section::Input_section::relobj): Move method
4878         defintion from class declaration to here and handle merge sections.
4879         (Output_section::Input_section::shndx): Ditto.
4880         (Output_section::Output_section): Remove initializations of removed
4881         data members and initialize new data member LOOKUP_MAPS_.
4882         (Output_section::add_input_section): Set keeps-input-sections flag
4883         for a newly created merge output section as appropriate.  Adjust code
4884         to use Output_section_lookup_maps class.
4885         (Output_section::add_relaxed_input_section): Adjst code for lookup
4886         maps code refactoring.
4887         (Output_section::add_merge_input_section): Add a new parameter
4888         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4889         class.  If adding input section to a newly created merge output
4890         section fails, remove the new merge section.
4891         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4892         Adjust code for use of the Output_section_lookup_maps class.
4893         (Output_section::find_merge_section): Ditto.
4894         (Output_section::build_lookup_maps): New method defintion.
4895         (Output_section::find_relaxed_input_section): Adjust code to use
4896         Output_section_lookup_maps class.
4897         (Output_section::get_input_sections): Export merge sections.  Adjust
4898         code to use Output_section_lookup_maps class.
4899         (Output_section:::add_script_input_section): Adjust code to use
4900         Output_section_lookup_maps class.  Update lookup maps for merge
4901         sections also.
4902         (Output_section::discard_states): Use Output_section_lookup_maps.
4903         (Output_section::restore_states): Same.
4904         * output.h (Merge_section_properties): Move class defintion out of
4905         Output_section.
4906         (Output_section_lookup_maps): New class.
4907         (Output_section::Input_section::is_merge_section): New method
4908         defintion.
4909         (Output_section::Input_section::relobj): Move defintion out of class
4910         defintion.  Declare method only.
4911         (Output_section::Input_section::shndx): Ditto.
4912         (Output_section::Input_section::output_merge_base): New method defintion.
4913         (Output_section::Input_section::u2_.pomb): New union field.
4914         (Output_section::Merge_section_by_properties_map,
4915         Output_section::Output_section_data_by_input_section_map,
4916         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4917         Remove types.
4918         (Output_section::add_merge_input_section): Add new parameter
4919         KEEPS_INPUT_SECTIONS.
4920         (Output_section::build_lookup_maps): New method declaration.
4921         (Output_section::merge_section_map_,
4922         Output_section::merge_section_by_properties_map_,
4923         Output_section::relaxed_input_section_map_,
4924         Output_section::is_relaxed_input_section_map_valid_): Remove data
4925         members.
4926         (Output_section::lookup_maps_): New data member.
4927
4928 2010-05-21  Doug Kwan  <dougkwan@google.com>
4929
4930         PR gold/11619
4931         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4932         avoid a compilation error.
4933
4934 2010-05-19  Rafael Espindola  <espindola@google.com>
4935
4936         * script-sections.cc (Output_section_definition::allocate_to_segment):
4937         Update the phdrs_list even when the output section is NULL.
4938         * testsuite/Makefile.am: Add test.
4939         * testsuite/Makefile.in: Regenerate.
4940         * testsuite/script_test_9.cc: New.
4941         * testsuite/script_test_9.sh: New.
4942         * testsuite/script_test_9.t: New.
4943
4944 2010-05-19  Doug Kwan  <dougkwan@google.com>
4945
4946         * arm.cc (Arm_input_section::original_size): New method.
4947         (Arm_input_section::do_addralign): Add a cast.
4948         (Arm_input_section::do_output_offset): Remove static cast.
4949         (Arm_input_section::original_addralign,
4950          Arm_input_section::original_size_): Change type to uint32_t.
4951         (Arm_input_section::init): Add safe casts for section alignment
4952         and size.
4953         (Arm_input_section::set_final_data_size): Do not set address and
4954         offset of stub table.
4955         (Arm_output_section::fix_exidx_coverage): Change use of of
4956         Output_section::Simple_input_section to that of
4957         Output_section::Input_section.
4958         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4959         except for the first pass.
4960         * output.cc (Output_section::get_input_sections): Change type of
4961         input_sections to std::list<Input_section>.
4962         (Output_section::add_script_input_section): Rename from
4963         Output_section::add_simple_input_section.  Change type of SIS
4964         parameter from Simple_input_section to Input_section.
4965         * output.h (Output_section::Simple_input_section): Remove class.
4966         (Output_section::Input_section): Change class visibility to public.
4967         (Output_section::Input_section::addralign): Use stored alignments
4968         for special input sections if set.
4969         (Output_section::Input_section::set_addralign): New method.
4970         (Output_section::get_input_sections): Change parameter type from
4971         list of Simple_input_section to list of Input_section.
4972         (Output_section::add_script_input_section): Rename from
4973         Output_section::add_simple_input_section. Change first parameter's
4974         type from Simple_input_section to Input_section and remove the
4975         second and third parameters.
4976         * script-sections.cc (Input_section::Input_section_list): Change
4977         type to list of Output_section::Input_section/
4978         (Input_section_info::Input_section_info): Change parameter type of
4979         INPUT_SECTION to Output_section::Input_section.
4980         (Input_section_info::input_section): Change return type.
4981         (Input_section_info::input_section_): Change type to
4982         Output_section::Input_section.
4983         (Output_section_element_input::set_section_addresses): Adjust code
4984         to use Output_section::Input_section instead of
4985         Output_section::Simple_input_section.  Adjust code for renaming
4986         of Output_section::add_simple_input_section.
4987         (Orphan_output_section::set_section_addresses): Ditto.
4988
4989 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4990
4991         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4992         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4993
4994 2010-05-18  Rafael Espindola  <espindola@google.com>
4995
4996         * options.cc (General_options::finalize): Handle -nostdlib.
4997         * options.h (nostdlib): New option.
4998         * script.cc (script_add_search_dir): Handle -nostdlib.
4999
5000 2010-05-12  Doug Kwan  <dougkwan@google.com>
5001
5002         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5003         attributes section only if there no attributes section after merging.
5004         (Target_arm::merge_object_attributes): Move value of
5005         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5006         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5007         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5008         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5009         and arm_attr_merge_7.stdout.
5010         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5011         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5012         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5013         arm_attr_merge_7b.o): New rules.
5014         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5015         arm_attr_merge_7
5016         * testsuite/Makefile.in: Regenerate.
5017         * testsuite/arm_attr_merge.sh: New file.
5018         * testsuite/arm_attr_merge_[67][ab].s: Same.
5019
5020 2010-05-05  Nick Clifton  <nickc@redhat.com>
5021
5022         * po/es.po: Updated Spanish translation.
5023
5024 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5025
5026         * Makefile.am (install-exec-local): Properly install gold as
5027         default cross linker.
5028         * Makefile.in: Regenerated.
5029
5030 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5031             Nick Clifton  <nickc@redhat.com>
5032
5033         * configure.ac (install_as_default): Define and set to false
5034         unless --enable-gold or --enable-gold=both/gold has been
5035         specified.
5036         * configure: Regenerate.
5037
5038         * Makefile.am (install-exec-local): Install the executable as
5039         'ld.gold'.  If install_as_default is true then also install it as
5040         'ld'.
5041         * Makefile.in: Regenerated.
5042
5043 2010-04-24  Ian Lance Taylor  <iant@google.com>
5044
5045         * layout.cc (Layout::layout_reloc): In relocatable link don't
5046         combine reloc sections for grouped sections.
5047
5048 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5049
5050         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5051         sections that are not ordinary to icf.
5052         * icf.cc (get_section_contents): Handle relocation pointing to section
5053         with no object or shndx information.
5054         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5055         * testsuite/Makefile.in: Regenerate.
5056         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5057         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5058
5059 2010-04-22  Ian Lance Taylor  <iant@google.com>
5060
5061         * expression.cc (Expression::Expression_eval_info): Add
5062         result_alignment_pointer field.
5063         (Expression::eval_with_dot): Add result_alignment_pointer
5064         parameter.  Change all callers.
5065         (Expression::eval_maybe_dot): Likewise.
5066         (class Binary_expression): Add alignment_pointer parameter to
5067         left_value and right_value.  Change all callers.
5068         (BINARY_EXPRESSION): Set result alignment.
5069         (class Trinary_expression): Add alignment_pointer parameter to
5070         arg2_value and arg3_value.  Change all callers.
5071         (Trinary_cond::value): Set result alignment.
5072         (Max_expression::value, Min_expression::value): Likewise.
5073         (Align_expression::value): Likewise.
5074         * script-sections.cc (class Sections_element): Add dot_alignment
5075         parameter to set_section_addresses virtual function.  Update
5076         instantiations.
5077         (class Output_section_element): Likewise.
5078         (Script_sections::create_segments): Add dot_alignment parameter.
5079         Change all callers.
5080         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5081         (Script_sections::set_phdrs_clause_addresses): Likewise.
5082         * script-sections.h: Update declarations.
5083         * script.h: Update declarations.
5084         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5085         min_p_align.
5086         * testsuite/script_test_3.t: Set large alignment.
5087         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5088         segment has expected alignment.
5089
5090 2010-04-22  Nick Clifton  <nickc@redhat.com>
5091
5092         * po/gold.pot: Updated by the Translation project.
5093         * po/vi.po: Updated Vietnamese translation.
5094
5095 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5096
5097         * testsuite/Makefile.am (check_PROGRAMS): Add
5098         icf_virtual_function_folding_test.
5099         * testsuite/Makefile.in: Regenerated.
5100
5101 2010-04-15  Andrew Haley  <aph@redhat.com>
5102
5103         * options.h (merge_exidx_entries): New option.
5104         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5105         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5106         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5107         (Target_arm::merge_exidx_entries): New function.
5108         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5109         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5110         to Arm_exidx_fixup constructor.
5111         Add new arg, merge_exidx_entries.
5112         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5113         Arm_output_section::fix_exidx_coverage.
5114
5115 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5116
5117         * icf.cc (get_section_contents): Check for preemptible functions.
5118         Ignore addend when appropriate.
5119         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5120         section folded.
5121         (add_from_relobj): Check for section folded.
5122         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5123         * symtab.h (should_add_dynsym_entry): Add new parameter.
5124         * target-reloc.h (scan_relocs): Check for section folded.
5125         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5126         Check reloc types for function pointers in shared objects.
5127         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5128         case.
5129         (icf_preemptible_functions_test): New test case.
5130         (icf_string_merge_test): New test case.
5131         * testsuite.Makefile.in: Regenerate.
5132         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5133         bar_glob.  Refactor code.
5134         * testsuite/icf_preemptible_functions_test.cc: New file.
5135         * testsuite/icf_preemptible_functions_test.sh: New file.
5136         * testsuite/icf_string_merge_test.cc: New file.
5137         * testsuite/icf_string_merge_test.sh: New file.
5138         * testsuite/icf_virtual_function_folding_test.cc: New file.
5139         * testsuite/icf_virtual_function_folding_test.sh: New file.
5140
5141 2010-04-14  Doug Kwan  <dougkwan@google.com>
5142
5143         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5144         for local symbol recounting if we remove a section due to ICF.
5145         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5146         there are no regular objects in input.
5147
5148 2010-04-13  Doug Kwan  <dougkwan@google.com>
5149
5150         * arm.cc (Arm_input_section::set_final_data_size): Compute
5151         accurate final data size instead of using current data size.
5152
5153 2010-04-09  Doug Kwan  <dougkwan@google.com>
5154
5155         * layout.cc (Layout::choose_output_section): Handle script section
5156         types.
5157         (Layout::make_output_section_for_script): Add section type parameter.
5158         Handle script section types.
5159         * layout.h (Layout::make_output_section_for_script): Add section
5160         type parameter.
5161         * output.cc (Output_section::Output_section): Initialize data member
5162         is_noload_.
5163         (Output_section::do_reset_address_and_file_offset): Do not set address
5164         to 0 if section is a NOLOAD section.
5165         * output.h (Output_section::is_noload): New method.
5166         (Output_section::set_is_noload): Ditto.
5167         (Output_section::is_noload_): New data member.
5168         * script-c.h (Script_section_type): New enum type.
5169         (struct Parser_output_section_header): Add new file section_type.
5170         * script-sections.cc (Sections_element::output_section_name): Add
5171         parameter for returning script section type.
5172         (Output_section_definition::output_section_name): Ditto.
5173         (Output_section_definition::section_type)P; New method.
5174         (Output_section_definiton::script_section_type_name): Ditto.
5175         (Output_section_definition::script_section_type_): New data member.
5176         (Output_section_definition::Output_section_definition): Initialize
5177         data member Output_section_definition::script_section_type_.
5178         (Output_section_definition::create_sections): Pass script section type
5179         to Layout::make_output_section_for_script.
5180         (Output_section_definition::output_section_name): Return script
5181         section type to caller.
5182         (Output_section_definition::set_section_address): Do not advance
5183         dot value and load address if section type is NOLOAD.  Set address
5184         of NOLOAD sections regardless of section flags.
5185         (Output_section_definition::print): Print section type if it is
5186         not SCRIPT_SECTION_TYPE_NONE.
5187         (Output_section_definition::section_type): New method.
5188         (Output_section_definition::script_section_type_name): Ditto.
5189         (Script_sections::output_section_name): Add new parameter
5190         PSECTION_TYPE for returning script section type.  Pass it to
5191         section elements.  Handle discard sections.
5192         (Sort_output_sections::operator()): Handle NOLOAD sections.
5193         * script-sections.h (Script_sections::Section_type): New enum type.
5194         (Script_sections::output_section_name): Add a new parameter for
5195         returning script section type.
5196         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5197         INFO and NOLOAD.
5198         * yyscript.y (union): Add new field SECTION_TYPE.
5199         (COPY, DSECT, INFO, NOLOAD): New tokens.
5200         (opt_address_and_section_type): Change type to output_section_header.
5201         (section_type): New non-terminal
5202         (section_header): Handle section type.
5203         (opt_address_and_section_type): Return section type value.
5204
5205 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5206
5207         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5208         * testsuite/plugin_common_test_2.c (foo): Likewise.
5209
5210 2010-04-08  Doug Kwan  <dougkwan@google.com>
5211
5212         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5213         Output_merge_data.
5214         * output.cc (Output_section::add_merge_input_section): Simplify
5215         code and return status of Output_merge_base::add_input_section.
5216         Update merge section map only if Output_merge_base::add_input_section
5217         returns true.
5218
5219 2010-04-07  Doug Kwan  <dougkwan@google.com>
5220
5221         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5222         if section is marked as containing instructions but has no mapping
5223         symbols.
5224         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5225         correct section index.
5226         (Arm_relobj::find_linked_text_section): Ditto.
5227
5228 2010-04-07  Cary Coutant  <ccoutant@google.com>
5229
5230         * archive.cc (include_member): Destroy Read_symbols_data object before
5231         releasing file.
5232         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5233         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5234         (Read_symbols_data::~Read_symbols_data) New destructor.
5235         (Section_relocs::Section_relocs) New constructor.
5236         (Section_relocs::~Section_relocs) New destructor.
5237         (Read_relocs_data::Read_relocs_data) New constructor.
5238         (Read_relocs_data::~Read_relocs_data) New destructor.
5239         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5240         pointers to NULL after deleting.
5241
5242 2010-04-07  Doug Kwan  <dougkwan@google.com>
5243
5244         * arm.cc: Replace "endianity" with "endianness" in comments.
5245         (Arm_exidx_cantunwind): Ditto.
5246         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5247         (Arm_relobj::merge_flags_and_attributes): New method.
5248         (Arm_relobj::merge_flags_and_attributes_): New data member.
5249         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5250         (Arm_relobj::scan_sections_for_stubs): Ditto.
5251         (Arm_relobj::do_read_symbols): Check to see if we really want to
5252         merge processor-specific flags and attributes.  Exit early if
5253         an object is empty except for section names and the undefined symbol.
5254         (Target_arm::do_finalize_sections): Move check for ELF format to
5255         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5256         attributes from a regular object only when we have determined that
5257         it is aapropriate.  Do not create an .ARM.attributes section in
5258         output if there is no regular input object.
5259         (Target_arm::merge_processor_specific_flags): Check
5260         --warn-mismatch before printing any error.
5261         (Target_arm::merge_object_attributes): Ditto.
5262         * gold.cc (queue_middle_tasks): Handle the case in which there is
5263         no regular object in input.
5264         * options.cc (General_options::parse_EB): New method.
5265         (General_options::parse_EL): Same.
5266         (General_options::General_options): Initialize endianness_.
5267         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5268         New options.
5269         (General_options::Endianness): New enum.
5270         (General_options::endianness): New method.
5271         (General_options::endianness_): New data member.
5272         * parameters.cc (Parameters::set_options): Check target endianness.
5273         (Parameters::set_target_once): Ditto.
5274         (Parameters::check_target_endianness): New method.
5275         (parameters_force_valid_target): If either -EL or -EB is specified,
5276         use it to define endianness of default target.
5277         * parameters.h (Parameters::check_target_endianness): New method
5278         declaration.
5279         * target.h (class Target): Change "endianity" to "endianness"
5280         in comments.
5281
5282 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5283
5284         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5285         * configure: Regenerate.
5286         * Makefile.in: Regenerate.
5287         * testsuite/Makefile.in: Regenerate.
5288
5289 2010-04-06  Cary Coutant  <ccoutant@google.com>
5290
5291         gcc PR lto/42757
5292         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5293         prevailing definitions of common symbols.
5294         * testsuite/plugin_test_6.sh: New test case.
5295         * testsuite/plugin_common_test_1.c: New test case.
5296         * testsuite/plugin_common_test_2.c: New test case.
5297         * testsuite/Makefile.am (plugin_test_6): New test case.
5298         * testsuite/Makefile.in: Regenerate.
5299
5300 2010-04-06  Nick Clifton  <nickc@redhat.com>
5301
5302         * po/vi.po: New Vietnamese translation.
5303
5304 2010-03-30  Doug Kwan  <dougkwan@google.com>
5305
5306         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5307
5308 2010-03-25  Doug Kwan  <dougkwan@google.com>
5309
5310         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5311         to avoid a conversion warning on a 32-bit host.
5312
5313 2010-03-24  Ian Lance Taylor  <iant@google.com>
5314
5315         * testsuite/script_test_3.t: Add a TLS segment.
5316         * testsuite/Makefile.am (check_PROGRAMS): Add
5317         tls_phdrs_script_test.
5318         (tls_phdrs_script_test_SOURCES): Define.
5319         (tls_phdrs_script_test_DEPENDENCIES): Define.
5320         (tls_phdrs_script_test_LDFLAGS): Define.
5321         (tls_phdrs_script_test_LDADD): Define.
5322         * testsuite/Makefile.in: Rebuild.
5323
5324 2010-03-23  Cary Coutant  <ccoutant@google.com>
5325
5326         * fileread.cc (find_or_make_view): Fix comment.
5327
5328 2010-03-23  Ian Lance Taylor  <iant@google.com>
5329
5330         * script-sections.cc (class Orphan_section_placement): Define
5331         PLACE_TLS and PLACE_TLS_BSS.
5332         (Orphan_section_placement::Orphan_section_placement): Initialize
5333         new places.
5334         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5335         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5336         (tls_script_test_SOURCES): Define.
5337         (tls_script_test_DEPENDENCIES): Define.
5338         (tls_script_test_LDFLAGS): Define.
5339         (tls_script_test_LDADD): Define.
5340         * testsuite/Makefile.in: Rebuild.
5341
5342 2010-03-22  Doug Kwan  <dougkwan@google.com>
5343
5344         * arm.cc (Arm_relocate_functions::abs8,
5345         Arm_relocate_functions::abs16): Use correct check for overflow
5346         specified in the ARM ELF specs.
5347         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5348         target of a BLX instruction specially.
5349         (Reloc_stub::stub_type_for_reloc): Ditto.
5350         (Relocate::relocate): Use symbolic names instead of numeric relocation
5351         codes to report error.
5352         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5353         workaround.
5354         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5355         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5356         thumb2_blx_out_of_range.stdout
5357         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5358         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5359         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5360         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5361         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5362         thumb2_blx_in_range, thumb2_blx_in_range.o,
5363         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5364         thumb2_blx_out_of_range.o): New rules.
5365         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5366         thumb2_blx_in_range and thumb2_blx_out_of_range.
5367         * testsuite/Makefile.in: Regenerate.
5368         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5369         * testsuite/thumb_blx_in_range.s: New file.
5370         * testsuite/thumb_blx_out_of_range.s: New file.
5371
5372 2010-03-22  Rafael Espindola  <espindola@google.com>
5373
5374         * archive.cc (Should_include): Move to archive.h.
5375         (should_include_member): Make it a member of Archive.
5376         (Lib_group): New.
5377         (Add_lib_group_symbols): New.
5378         * archive.h: Include options.h.
5379         (Archive_member): Moved from Archive.
5380         (Should_include): Moved from archive.cc.
5381         (Lib_group): New.
5382         (Add_lib_group_symbols): New.
5383         * dynobj.cc (do_should_include_member): New.
5384         * dynobj.h (do_should_include_member): New.
5385         * gold.cc (queue_initial_tasks): Update call to queue.
5386         * main.cc (main): Print lib group stats.
5387         * object.cc (do_should_include_member): New.
5388         * object.h: Include archive.h.
5389         (Object::should_include_member): New.
5390         (Object::do_should_include_member): New.
5391         (Sized_relobj::do_should_include_member): New.
5392         * options.cc (General_options::parse_start_lib): New.
5393         (General_options::parse_end_lib): New.
5394         (Input_arguments::add_file): Handle lib groups.
5395         (Input_arguments::start_group): Check we are not in a lib.
5396         (Input_arguments::start_lib): New.
5397         (Input_arguments::end_lib): New.
5398         * options.h (General_options): Add start_lib and end_lib.
5399         (Input_argument::lib_): New.
5400         (Input_argument::lib): New.
5401         (Input_argument::is_lib): New.
5402         (Input_file_lib): New.
5403         (Input_arguments::in_lib_): New.
5404         (Input_arguments::in_lib): New.
5405         (Input_arguments::start_lib): New.
5406         (Input_arguments::end_lib_): New.
5407         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5408         in unused members as preempted.
5409         (Sized_pluginobj::do_should_include_member): New.
5410         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5411         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5412         return the blocker.
5413         (Read_symbols::do_whole_lib_group): New.
5414         (Read_symbols::do_lib_group): New.
5415         (Read_symbols::do_read_symbols): Handle lib groups.
5416         (Read_symbols::get_name): Handle lib groups.
5417         * readsyms.h (Read_symbols): Add an archive member pointer.
5418         (Read_symbols::do_whole_lib_group): New.
5419         (Read_symbols::do_lib_group): New.
5420         (Read_symbols::member_): New.
5421         * script.cc (read_input_script): Update call to queue_soon.
5422
5423 2010-03-19  Doug Kwan  <dougkwan@google.com>
5424
5425         * arm.cc (Stub_table::Stub_table): Initialize new data members
5426         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5427         (Stub_table::add_reloc_stub): Assign stub offset and update
5428         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5429         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5430         New data members.
5431         (Stub_table::update_data_size_and_addralign): Use
5432         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5433         instead of going over all reloc stubs.
5434         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5435         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5436         Stringpool_template::offset_ to size of Stringpool_char.
5437         (Stringpool_template::new_key_offset): Remove code to initialize
5438         Stringpool_template::offset_.
5439         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5440         Stringpool_template::offset_ to zero.
5441
5442 2010-03-15  Doug Kwan  <dougkwan@google.com>
5443
5444         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5445         offset_.
5446         (Stringpool_template::new_key_offset): New method.
5447         (Stringpool_template::add_string): Assign offsets when adding new
5448         strings.
5449         (Stringpool_template::set_string_offsets): Do not set string offsets
5450         when not optimizing.
5451         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5452         member size_.
5453         (Chunked_vector::clear): Clear size_.
5454         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5455         (Chunked_vector::size): Return size_.
5456         (Chunked_vector::push_back): Use size_ to find insert position.
5457         (Chunked_vector::size_): New data member.
5458         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5459         (Stringpool_template::new_key_offset): New method declaration.
5460         (Stringpool_template::offset_): New data member.
5461
5462 2010-03-15   Rafael Espindola  <espindola@google.com>
5463
5464         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5465         Add_symbols' constructor.
5466         * readsyms.h (Add_symbols): Remove the input_group member.
5467
5468 2010-03-10  Ian Lance Taylor  <iant@google.com>
5469
5470         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5471         target to ask whether a reference to a symbol requires a stack
5472         split.
5473         * target.h (Target::is_call_to_non_split): New function.
5474         (Target::do_is_call_to_non_split): Declare virtual function.
5475         * target.cc: Include "symtab.h".
5476         (Target::do_is_call_to_non_split): New function.
5477         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5478
5479 2010-03-10  Cary Coutant  <ccoutant@google.com>
5480
5481         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5482         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5483         (File_read::open[2]): Add whole_file_view_ to list of views.
5484         (File_read::make_view): Remove test of whole_file_view_.
5485         (File_read::find_or_make_view): Create whole_file_view_ if
5486         necessary.
5487         (File_read::clear_views): Replace bool parameter with enum;
5488         adjust all callers.  Don't delete views with permanent data;
5489         do delete cached views and views from archives if
5490         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5491         if clearing the corresponding view.
5492         * fileread.h (File_read::Clear_views_mode): New enum.
5493         (File_read::View::is_permanent_view): New method.
5494         (File_read::clear_views): Replace bool parameter
5495         with enum; adjust all callers.
5496         * options.h (General_options): Change keep_files_mapped option;
5497         add map_whole_files.
5498         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5499         releasing the file.
5500         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5501         the file.
5502
5503 2010-03-10  David S. Miller  <davem@davemloft.net>
5504
5505         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5506
5507 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5508
5509         * icf.cc (get_section_contents): Add '@' marker after processing the
5510         merge reloc.
5511
5512 2010-03-08  Doug Kwan  <dougkwan@google.com>
5513
5514         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5515         due to a conversion warning.
5516         (Arm_relobj::update_output_local_symbol_count): Check for local
5517         symbol with unset output index.
5518
5519 2010-03-05  Ian Lance Taylor  <iant@google.com>
5520
5521         * options.h (class General_options): Add --spare-dynamic-tags.
5522         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5523         --spare-dynamic-tags.
5524
5525 2010-03-05  Ian Lance Taylor  <iant@google.com>
5526
5527         * incremental.cc: Include "libiberty.h".
5528
5529 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5530
5531         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5532         function, is_info_ member.
5533         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5534         (Versions::Versions): Update caller.
5535         (Versions::define_base_version): Likewise.
5536         (Versions::add_def): Likewise.
5537
5538 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5539
5540         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5541         (Scan::possible_function_pointer_reloc): New function.
5542         (Scan::local_reloc_may_be_function_pointer): Change to call
5543         possible_function_pointer_reloc.
5544         (Scan::global_reloc_may_be_function_pointer): Ditto.
5545         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5546         relocations in ".data.rel.ro._ZTV" section.
5547         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5548         * testsuite/icf_safe_so_test.cc: Ditto.
5549         * testsuite/icf_safe_test.cc: Ditto.
5550         * testsuite/icf_safe_test.sh: Ditto.
5551
5552 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5553             Ian Lance Taylor  <iant@google.com>
5554
5555         * target-reloc.h (relocate_section): Check the symbol table index
5556         for -1U before setting the local symbol index.
5557         (scan_relocatable_relocs): If copying the relocation, record that
5558         the local symbol is required.
5559         * object.h (Symbol_value::is_output_symtab_index_set): New
5560         function.
5561         (Symbol_value::may_be_discarded_from_output_symtab): New
5562         function.
5563         (Symbol_value::has_output_symtab_entry): New function.
5564         (Symbol_value::needs_output_symtab_entry): Remove.
5565         (Symbol_value::output_symtab_index): Make sure the symbol index is
5566         set.
5567         (Symbol_value::set_output_symtab_index): Make sure the symbol
5568         index is not set.  Make sure the new index is valid.
5569         (Symbol_value::set_must_have_output_symtab_entry): New function.
5570         (Symbol_value::has_output_dynsym_entry): New function.
5571         (Symbol_value::set_output_dynsym_index): Make sure the new index
5572         is valid.
5573         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5574         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5575         local symbol if permitted.
5576         (Sized_relobj::do_finalize_local_symbols): Call
5577         is_output_symtab_index_set rather than needs_output_symtab_entry.
5578         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5579         rather than needs_output_symtab_entry.  Call
5580         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5581         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5582         is_output_symtab_index_set rather than needs_output_symtab_entry.
5583         * testsuite/discard_locals_relocatable_test.c: New file.
5584         * testsuite/discard_locals_test.sh: Test -r.
5585         * testsuite/Makefile.am (check_DATA): Add
5586         discard_locals_relocatable_test1.syms,
5587         discard_local_relocatable_test2.syms.
5588         (MOSTLYCLEANFILES): Likewise.  Also add
5589         discard_locals_relocatable_test1.lout and
5590         discard_locals_relocatable_test2.out.
5591         (discard_locals_relocatable_test1.syms): New target.
5592         (discard_locals_relocatable_test.o): New target.
5593         (discard_locals_relocatable_test1.out): New target.
5594         (discard_locals_relocatable_test2.syms): New target.
5595         (discard_locals_relocatable_test2.out): New target.
5596         (various): Add missing ../ld-new dependencies.
5597         * testsuite/Makefile.in: Rebuild.
5598
5599 2010-03-03  Nick Clifton  <nickc@redhat.com>
5600
5601         * po/fi.po: New Finnish translation.
5602
5603 2010-03-01  Doug Kwan  <dougkwan@google.com>
5604
5605         * layout.cc (Layout::Layout): Force section types of .init_array*,
5606         .preinit_array* and .fini_array* sections.
5607         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5608         Fix check of return value of std::string::find.().
5609         (Output_section::Input_section_sort_compare::operator()): Remove
5610         comment about .init_array.
5611         (Output_section::Input_section_sort_init_fini_compare::operator()):
5612         New method.
5613         (Output_section::sort_attached_input_sections): Handle .init_array
5614         and .fini_array specially.
5615         * output.h (Output_section::Inut_section_sort_compare): Update
5616         comment.
5617         (Output_section::Input_section_sort_init_fini_compare): New struct.
5618
5619 2010-02-26  Doug Kwan  <dougkwan@google.com>
5620
5621         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5622         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5623         * testsuite/debug_msg.sh: Avoid matching source line number for
5624         use of global variable undef_int.
5625
5626 2010-02-26  Doug Kwan  <dougkwan@google.com>
5627
5628         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5629         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5630         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5631         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5632         * options.cc (General_options::General_options): Initialize member
5633         fix_v4bx_.
5634         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5635         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5636         and rm_no_fix_v4bx.stdout
5637         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5638         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5639         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5640         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5641         and arm_no_fix_v4bx.
5642         * Makefile.in: Regenerate.
5643         * testsuite/arm_fix_v4bx.s: New file.
5644         * testsuite/arm_fix_v4bx.sh: Ditto.
5645
5646 2010-02-24  Doug Kwan  <dougkwan@google.com>
5647
5648         * arm.cc (Target_arm::got_section): Make the .got section the first
5649         non RELRO section in the data segment.
5650         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5651         suffixes of section names.
5652
5653 2010-02-24  Doug Kwan  <dougkwan@google.com>
5654
5655         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5656         flags and attributes merging if an input file is a binary file.
5657         * fileread.cc (Input_file::open): Record format of original file.
5658         * fileread.h (Input_file::Format): New enum type.
5659         (Input_file::Input_file): Initialize data member format_.
5660         (Input_file::format): New method definition.
5661         (Input_file::format_):: New data member.
5662
5663 2010-02-24  Doug Kwan  <dougkwan@google.com>
5664
5665         * arm.cc (Arm_output_data_got): New class.
5666         (ARM_TCB_SIZE): New constant
5667         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5668         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5669         If user uses a script with a SECTIONS clause, issue only a warning
5670         for a misplaced EXIDX input section.  Otherwise, issue an error.
5671         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5672         garbage collection.
5673         (Target_arm::got_mode_index_entry): Handle static linking.
5674         (Target_arm::Scan::local): Ditto.
5675         (Target_arm::Scan::global): Ditto.
5676         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5677         all incorrectly implemented relocations.
5678         (Target_arm::fix_exidx_coverage): Pass layout to
5679         Arm_output_section::fix_exidx_coverage.
5680         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5681         from ".ARM.exidx." and ".ARM.extab.".
5682
5683 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5684
5685         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5686         section if it does not already exist.
5687         * attributes.cc (Attributes_section_data::Attributes_section_data):
5688         Don't crash if size is zero.
5689
5690 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5691             Ian Lance Taylor  <iant@google.com>
5692
5693         * gold.cc (queue_middle_tasks): If no input files were opened,
5694         exit.
5695         * workqueue.h (Task_function::Task_function): Assert that there is
5696         a blocker.
5697
5698 2010-02-22  Doug Kwan  <dougkwan@google.com>
5699
5700         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5701         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5702         types to avoid warnings due to different uint64_t implementations
5703         on different hosts.
5704
5705 2010-02-21  Doug Kwan  <dougkwan@google.com>
5706
5707         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5708         handling of the maximum backward branch offset.
5709         (Arm_relocate_functions::thumb_branch_common): Ditto.
5710         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5711         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5712         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5713         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5714         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5715         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5716         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5717         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5718         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5719         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5720         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5721         thumb2_bl_out_of_range.o): New rules.
5722         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5723         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5724         thumb2_bl_out_of_range
5725         * testsuite/Makefile.in: Regenerate.
5726         * testsuite/arm_bl_in_range.s: New file.
5727         * testsuite/arm_bl_out_of_range.s: Ditto.
5728         * testsuite/arm_branch_in_range.sh: Ditto.
5729         * testsuite/arm_branch_range.t: Ditto.
5730         * testsuite/thumb2_branch_range.t: Ditto.
5731         * testsuite/thumb_bl_in_range.s: Ditto.
5732         * testsuite/thumb_bl_out_of_range.s: Ditto.
5733         * testsuite/thumb_branch_range.t: Ditto.
5734
5735 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5736
5737         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5738         Add reloc offset information.
5739         * icf.cc (get_section_contents): Change iterators to point to the new
5740         vectors. Add reloc offset information to the contents.
5741         * icf.h (Icf::Sections_reachable_info): New typedef.
5742         (Icf::Sections_reachable_list): New typedef.
5743         (Icf::Offset_info): New typedef.
5744         (Icf::Reloc_info): New struct typedef.
5745         (Icf::Reloc_info_list): New typedef.
5746         (Icf::symbol_reloc_list): Delete method.
5747         (Icf::addend_reloc_list): Delete method.
5748         (Icf::section_reloc_list): Delete method.
5749         (Icf::reloc_info_list): New method.
5750         (Icf::reloc_info_list_): New member.
5751
5752 2010-02-19  Doug Kwan  <dougkwan@google.com>
5753
5754         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5755         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5756         * arm.cc (Arm_relocation_functions): New forward declaration.
5757         (Target_arm::Target_arm): Initialize new data members
5758         got_mod_index_offset_ and tls_base_symbol_defined_.
5759         (Target_arm::Relocate::relocate_tls): New method.
5760         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5761          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5762         New methods.
5763         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5764         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5765         (Target_arm::got_mod_index_offset_,
5766         Target_arm::tls_base_symbol_defined_): New data members.
5767         (Target_arm::Scan::local, Target::Scan::global,
5768         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5769         relocations.
5770
5771 2010-02-18  Doug Kwan  <dougkwan@google.com>
5772
5773         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5774         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5775         text section as a parameter becuase some broken tools may not set
5776         the link in section header.
5777         (Target_arm::has_got_section): New method.
5778         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5779         without any mapping symbol as data only.  Remove warning.
5780         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5781         link in its section header, try to discover the link by inspecting the
5782         REL31 relocation at the beginning of the section.
5783         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5784         in error message.
5785         (Target_arm::Scan::global): Treat any reference to the symbol
5786         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5787
5788 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5789
5790         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5791         (Scan::global_reloc_may_be_function_pointer): New function.
5792         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5793         (Scan::global_reloc_may_be_function_pointer): New function.
5794         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5795         (Scan::global_reloc_may_be_function_pointer): New function.
5796         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5797         (Scan::global_reloc_may_be_function_pointer): New function.
5798         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5799         (Scan::global_reloc_may_be_function_pointer): New function.
5800         (Scan::possible_function_pointer_reloc): New function.
5801         (Target_x86_64::can_check_for_function_pointers): New function.
5802         * gc.h (gc_process_relocs): Scan relocation types to determine if
5803         function pointers were taken for targets that support it.
5804         * icf.cc (Icf::find_identical_sections): Include functions for
5805         folding in safe ICF whose pointer is not taken.
5806         * icf.h (Secn_fptr_taken_set): New typedef.
5807         (fptr_section_id_): New member.
5808         (section_has_function_pointers): New function.
5809         (set_section_has_function_pointers): New function.
5810         (check_section_for_function_pointers): New function.
5811         * options.h: Fix comment for safe ICF option.
5812         * target.h (can_check_for_function_pointers): New function.
5813         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5814         Modify icf_safe_test for X86-64.
5815         * testsuite/Makefile.in: Regenerate.
5816         * testsuite/icf_safe_so_test.cc: New file.
5817         * testsuite/icf_safe_so_test.sh: New file.
5818         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5819         (main): Change to take pointer to function kept_func_3.
5820         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5821         folding is done correctly for X86-64.
5822
5823 2010-02-12  David S. Miller  <davem@davemloft.net>
5824
5825         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5826         is_symbolless parameter.
5827         (Output_reloc<SHT_REL>::is_symbolless): New.
5828         (Output_reloc<SHT_REL>::is_symbolless_): New.
5829         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5830         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5831         (Output_reloc<SHT_RELA>::is_symbolless): New.
5832         (Output_data_reloc::add_global): Handle is_symbolless.
5833         (Output_data_reloc::add_global_relative): Likewise.
5834         (Output_data_reloc::add_local): Likewise.
5835         (Output_data_reloc::add_local_relative): Likewise.
5836         (Output_data_reloc::add_symbolless_global_addend): New.
5837         (Output_data_reloc::add_symbolless_local_addend): New.
5838         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5839         is_symbolless.
5840         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5841         instead of ->is_relative_
5842         (Output_reloc::write): Likewise.
5843         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5844         (Output_reloc::write_rel): Simplify.
5845
5846         * sparc.cc (Target_sparc::Scan::local): Use
5847         ->add_symbolless_local_addend as needed.
5848         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5849         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5850         based upon relocation offset.
5851
5852 2010-02-11  Doug Kwan  <dougkwan@google.com>
5853
5854         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5855         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5856         beginning of function.
5857         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5858         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5859         parameter is_32bit in calls to should_apply_static_reloc.
5860         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5861         (check_DATA): Add arm_abs_global.stdout.
5862         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5863         arm_abs_global.stdout): New rules.
5864         (MOSTLLYCLEANFILES): Add arm_abs_global
5865         * Makefile.in: Regenerate.
5866         * testsuite/arm_abs_global.s: New file.
5867         * testsuite/arm_abs_global.sh: Ditto.
5868         * testsuite/arm_abs_lib.s: Ditto.
5869
5870 2010-02-11  Ian Lance Taylor  <iant@google.com>
5871
5872         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5873         Read_relocs task.
5874         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5875         Allocate_commons_task first.
5876         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5877         task, rather than symtab_lock_.
5878         (Gc_process_relocs::~Gc_process_relocs): New function.
5879         (Gc_process_relocs::is_runnable): Check this_blocker_.
5880         (Gc_process_relocs::locks): Use next_blocker_ rather than
5881         blocker_.
5882         (Scan_relocs::~Scan_relocs): New function.
5883         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5884         symtab_lock_.
5885         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5886         next_blocker_.
5887         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5888         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5889         constructor accordingly.
5890         (class Gc_process_relocs): Likewise.
5891         (class Scan_relocs): Likewise.
5892         * common.h (class Allocate_commons_task): Remove symtab_lock_
5893         field, and corresponding constructor parameter.
5894         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5895         symtab_lock_.
5896         (Allocate_commons_task::locks): Likewise.
5897
5898 2010-02-11  Ian Lance Taylor  <iant@google.com>
5899
5900         * gold-threads.h (class Once): Define.
5901         (class Initialize_lock): Rewrite as child of Once.
5902         * gold-threads.cc (class Once_initialize): Define.
5903         (once_pointer_control): New static variable.
5904         (once_pointer, once_arg): New static variables.
5905         (c_run_once): New static function.
5906         (Once::Once, Once::run_once, Once::internal_run): New functions.
5907         (class Initialize_lock_once): Remove.
5908         (initialize_lock_control): Remove.
5909         (initialize_lock_pointer): Remove.
5910         (initialize_lock_once): Remove.
5911         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5912         (Initialize_lock::initialize): Rewrite.
5913         (Initialize_lock::do_run_once): New function.
5914         * archive.cc (Archive::interpret_header): Only clear name if it is
5915         not already empty.
5916         * fileread.cc: Include "gold-threads.h"
5917         (file_counts_lock): New static variable.
5918         (file_counts_initialize_lock): Likewise.
5919         (File_read::release): Only increment counts when using --stats.
5920         Use a lock around the increment.
5921         * parameters.cc (class Set_parameters_target_once): Define.
5922         (set_parameters_target_once): New static variable.
5923         (Parameters::Parameters): Move here from parameters.h.
5924         (Parameters::set_target): Rewrite.
5925         (Parameters::set_target_once): New function.
5926         (Parameters::clear_target): Move here and rewrite.
5927         * parameters.h (class Parameters): Update declarations.  Add
5928         set_parameters_target_once_ field.
5929         (Parameters::Parameters): Move to parameters.cc.
5930         (Parameters::clear_target): Likewise.
5931         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5932         task.
5933         (Start_group::~Start_group): New function.
5934         (Start_group::is_runnable): New function.
5935         (Start_group::locks, Start_group::run): New functions.
5936         (Finish_group::run): Change saw_undefined to size_t.
5937         * readsyms.h (class Start_group): Define.
5938         (class Finish_group): Change saw_undefined_ field to size_t.
5939         (Finish_group::Finish_group): Remove saw_undefined and
5940         this_blocker parameters.  Change all callers.
5941         (Finish_group::set_saw_undefined): New function.
5942         (Finish_group::set_blocker): New function.
5943         * symtab.h (class Symbol_table): Change saw_undefined to return
5944         size_t.  Change saw_undefined_ field to size_t.
5945         * target-select.cc (Set_target_once::do_run_once): New function.
5946         (Target_selector::Target_selector): Initialize set_target_once_
5947         field.  Don't initialize lock_ and initialize_lock_ fields.
5948         (Target_selector::instantiate_target): Rewrite.
5949         (Target_selector::set_target): New function.
5950         * target-select.h (class Set_target_once): Define.
5951         (class Target_selector): Update declarations.  Make
5952         Set_target_once a friend.  Remove lock_ and initialize_lock_
5953         fields.  Add set_target_once_ field.
5954
5955 2010-02-10  Ian Lance Taylor  <iant@google.com>
5956
5957         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5958         queueing any tasks.
5959         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5960         (queue_middle_tasks): Add all blockers before queueing any tasks.
5961         (queue_final_tasks): Likewise.
5962         * token.h (Task_token::add_blockers): New function.
5963         * object.h (Input_objects::number_of_relobjs): New function.
5964
5965 2010-02-10  Ian Lance Taylor  <iant@google.com>
5966
5967         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5968         shared, not if not position independent.
5969         * x86_64.cc (Relocate::relocate_tls): Likewise.
5970         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5971         (tls_pie_pic_test): New target.
5972         * testsuite/Makefile.in: Rebuild.
5973
5974         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5975         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5976         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5977         * testsuite/Makefile.in: Rebuild.
5978
5979 2010-02-09  David S. Miller  <davem@davemloft.net>
5980
5981         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5982         R_SPARC_RELATIVE using ->add_local_relative().
5983         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5984
5985         * output.h (Output_data_dynamic::add_section_size): New method
5986         that takes two Output_data objects.
5987         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5988         entry param.  Handle it in initializers.
5989         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5990         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5991         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5992         arg.
5993         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5994         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5995         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5996         for dynrel_includes_plt.
5997         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5998         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5999         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6000         before .rela.plt
6001         (Target_sparc::do_finalize_sections): Update to pass true for
6002         dynrel_includes_plt.
6003         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6004         output before .rela.plt
6005         (Target_powerpc::do_finalize_sections): Update to pass true for
6006         dynrel_includes_plt when 32-bit.
6007
6008 2010-02-08  Doug Kwan  <dougkwan@google.com>
6009
6010         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6011         method.
6012         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6013         Arm_relobj::scan_section_for_cortex_a8_stubs,
6014         Arm_relobj::do_relocation_section): Instead of calling
6015         Output_section::output_address, use faster
6016         Arm_relobj::simple_input_section_output_address.
6017
6018 2010-02-08  David S. Miller  <davem@davemloft.net>
6019
6020         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6021         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6022         relocation helper function.
6023
6024         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6025         just like R_SPARC_GOT{10,13,22}.
6026         (Target_sparc::Scan::local): Likewise.
6027         (Target_sparc::Relocate:relocate): Likewise.
6028
6029 2010-02-06  Ian Lance Taylor  <iant@google.com>
6030
6031         * configure.ac: Rewrite targetobjs duplicate removal code to use
6032         only shell constructs.
6033         * configure: Rebuild.
6034
6035 2010-02-05  Doug Kwan  <dougkwan@google.com>
6036
6037         PR 11247
6038         * arm.cc (Arm_relobj::section_is_scannable): New method.
6039         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6040         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6041
6042 2010-02-04  Doug Kwan  <dougkwan@google.com>
6043
6044         PR 11247
6045         * arm-reloc-property.cc (cstdio): Include.
6046         * configure.ac (targetobjs): Remove duplicates.
6047         * configure: Regenerate.
6048         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6049         big and little endian version for a given address size.
6050
6051 2010-02-03  Doug Kwan  <dougkwan@google.com>
6052
6053         * arm-reloc-property.cc
6054         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6055         definition.
6056         * arm-reloc-property.h
6057         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6058         New method definition.
6059         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6060         declaration.
6061         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6062         overflow to N.
6063         (GOT_PREL): Change implemented to Y.
6064         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6065         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6066         (Arm_relocate_functions::movw_abs_nc): Remove method.
6067         (Arm_relocate_functions::movt_abs): Ditto.
6068         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6069         (Arm_relocate_functions::thm_movt_abs): Ditto.
6070         (Arm_relocate_functions::movw_rel_nc): Ditto.
6071         (Arm_relocate_functions::movw_rel): Ditto.
6072         (Arm_relocate_functions::movt_rel): Ditto.
6073         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6074         (Arm_relocate_functions:thm_movw_rel): Ditto.
6075         (Arm_relocate_functions:thm_movt_rel): Ditto.
6076         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6077         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6078         New method definitions.
6079         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6080         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6081         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6082         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6083         (Target_arm::Relocate::relocate): Check for non-static or
6084         unimplemented relocation code and exit early.  Change calls to
6085         Target_arm::reloc_uses_thumb_bit and
6086         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6087         instead.  Refactor code to handle similar relocations to increase
6088         code sharing.  Remove check for unsupported relocation code in switch
6089         statement.
6090         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6091         relocation property table to find out size.  Change error message to
6092         print out the name of a relocation code instead of the numeric value.
6093         (Target_arm::scan_reloc_for_stub): Use relocation property table
6094         instead of calling Target_arm::reloc_uses_thumb_bit().
6095
6096 2010-02-02  Doug Kwan  <dougkwan@google.com>
6097
6098         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6099         types of relaxed input section.
6100
6101 2010-02-02  Doug Kwan  <dougkwan@google.com>
6102
6103         * Makefile.am (HFILES): Add arm-reloc-property.h.
6104         (DEFFILES): New.
6105         (TARGETSOURCES): Add arm-reloc-property.cc
6106         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6107         (libgold_a_SOURCES): $(DEFFILES)
6108         * Makefile.in: Regenerate.
6109         * arm-reloc-property.cc: New file.
6110         * arm-reloc-property.h: New file.
6111         * arm-reloc.def: New file.
6112         * arm.cc: Update comments.
6113         (arm-reloc-property.h): New included header.
6114         (arm_reloc_property_table): New global variable.
6115         (Target_arm::do_select_as_default_target): New method definition.
6116         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6117         arm-reloc-property to targ_extra_obj.
6118         * parameters.cc (set_parameters_target): Call
6119         Target::select_as_default_target().
6120         * target.h (Target::select_as_default_target): New method definition.
6121         (Target::do_select_as_default_target): Same.
6122
6123 2010-02-01  Doug Kwan  <dougkwan@google.com>
6124
6125         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6126         first_output_text_section_.
6127         (Arm_exidx_fixup::first_output_text_section): New method definition.
6128         (Arm_exidx_fixup::first_output_text_section_): New data member.
6129         (Arm_exidx_fixup::process_exidx_section): Record the first text
6130         output section seen.
6131         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6132         and entsize in output section header.
6133
6134 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6135
6136         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6137         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6138         (Arm_relocate_functions::thm_alu11): New Method.
6139         (Arm_relocate_functions::thm_pc8): New Method.
6140         (Arm_relocate_functions::thm_pc12): New Method.
6141         (Target_arm::Scan::local): Handle the relocations.
6142         (Target_arm::Scan::global): Likewise.
6143         (Target_arm::Relocate::relocate): Likewise.
6144         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6145
6146 2010-01-29  Doug Kwan  <dougkwan@google.com>
6147
6148         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6149         of relocation types as ld.
6150
6151 2010-01-29  Doug Kwan  <dougkwan@google.com>
6152
6153         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6154         to public.
6155         (Arm_relocate_functions::thumb_branch_common): Ditto.
6156         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6157         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6158         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6159         Arm_relocate_functions::jump24): Remove.
6160         (Target_arm::Relocate::relocate): Adjust code to call
6161         Arm_relocation_functions::arm_branch_common and
6162         Arm_relocation_functions::thumb_branch_common instead of their removed
6163         wrappers.  Merge switch-cases together to reduce source code size.
6164
6165 2010-01-29  Doug Kwan  <dougkwan@google.com>
6166
6167         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6168         output_local_symbol_count_needs_update_.
6169         (Arm_relobj::output_local_symbol_count_needs_update,
6170          Arm_relobj::set_output_local_symbol_count_needs_update,
6171          Arm_relobj::update_output_local_symbol_count): New methods.
6172         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6173         member.
6174         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6175         of pointed function as in a R_ARM_PREL31 relocation.
6176         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6177         for output local symbol count updating.
6178         (Target_arm::do_relax): Update output local symbol counts in objects
6179         if necessary.
6180         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6181
6182 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6183
6184         * arm.cc: Added support for the ARM relocations:
6185         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6186         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6187         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6188         movw_prel_nc).
6189         (Arm_relocate_functions::movw_rel): New method.
6190         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6191         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6192         thm_movw_prel_nc).
6193         (Arm_relocate_functions::thm_movw_rel): New method.
6194         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6195         thm_movt_prel).
6196         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6197         relocations.
6198         (Target_arm::Scan::global): Likewise.
6199         (Target_arm::Relocate::relocate): Likewise.
6200         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6201         Likewise.
6202
6203 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6204
6205         * arm.cc: Added support for ARM group relocations.
6206         (Target_arm::reloc_needs_sym_origin): New method.
6207         (Arm_relocate_functions::calc_grp_kn): New method.
6208         (Arm_relocate_functions::calc_grp_residual): New method.
6209         (Arm_relocate_functions::calc_grp_gn): New method.
6210         (Arm_relocate_functions::arm_grp_alu): New Method.
6211         (Arm_relocate_functions::arm_grp_ldr): New Method.
6212         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6213         (Arm_relocate_functions::arm_grp_ldc): New Method.
6214         (Target_arm::Scan::local): Handle the ARM group relocations.
6215         (Target_arm::Scan::global): Likewise.
6216         (Target_arm::Relocate::relocate): Likewise.
6217         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6218         Likewise.
6219
6220 2010-01-26  Doug Kwan  <dougkwan@google.com>
6221
6222         * arm.cc (set): Include.
6223         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6224         pointer type.
6225         (Arm_output_section::Text_section_list): New type.
6226         (Arm_output_section::append_text_sections_to_list): New method.
6227         (Arm_output_section::fix_exidx_coverage): Ditto.
6228         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6229         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6230         Relobj::set_section_offset() instead of
6231         Sized_relobj::invalidate_section_offset().
6232         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6233         parameter for section headers. Ignore relocation sections for
6234         unallocated sections and EXIDX sections.
6235         (Target_arm::fix_exidx_coverage): New method.
6236         (Target_arm::output_section_address_less_than): New type.
6237         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6238         linked text section instead of the EXIDX section.
6239         (Arm_output_section::create_stub_group): Add an assertion to check
6240         that this is not an EXIDX output section.
6241         (Arm_output_section::append_text_sections_to_list): New method.
6242         (Arm_output_section::fix_exidx_coverage): Ditto.
6243         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6244         Arm_relobj::section_needs_reloc_stub_scanning.
6245         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6246         first pass.
6247         (Target_arm::fix_exidx_coverage): New method.
6248         * object.h (Relobj::set_output_section): New method.
6249         (Sized_relobj::invalidate_section_offset): Remove method.
6250         (Sized_relobj::do_invalidate_section_offset): Remove method.
6251         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6252
6253 2010-01-25  Doug Kwan  <dougkwan@google.com>
6254
6255         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6256         Fix warning due to signed and unsigned comparison on a 32-bit host.
6257
6258 2010-01-22  Doug Kwan  <dougkwan@google.com>
6259
6260         * arm.cc (Target_arm::do_relax): Record an output section for section
6261         offset adjustment it contains any stub table that has changed.
6262         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6263         offsets in an output section if necessary.
6264         * output.cc (Output_section::Output_section): Initialize
6265         section_offsets_need_adjustments_.
6266         (Output_section::add_input_section_for_script): Renamed to
6267         Output_section::add_simple_input_section.
6268         (Output_section::save_states): Add a comment.
6269         (Output_section::discard_states): New method defintion.
6270         (Output_section::adjust_section_offsets): Same.
6271         * output.h (Output_section::add_input_section_for_script): Renamed to
6272         Output_section::add_simple_input_section.
6273         (Output_section::discard_states): New method declaration.
6274         (Output_section::adjust_section_offsets): Same.
6275         (Output_section::section_offsets_need_adjustment,
6276         Output_section::set_section_offsets_need_adjustment): New method
6277         definitions.
6278         (Output_section::section_offsets_need_adjustment_): New data member.
6279         * script-sections.cc
6280         (Output_section_element_input::set_section_address): Adjust code for
6281         renaming of Output_section::add_input_section_for_script.
6282         (Orphan_output_section::set_section_address): Same.
6283
6284 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6285
6286         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6287         Fix_v4bx enum values .
6288         * gold/options.h (General_options): New option definitions.
6289         (General_options::fix_v4bx): New method.
6290         (General_options::Fix_v4bx): New enum.
6291         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6292         (General_options::parse_fix_v4bx_interworking): New method.
6293
6294 2010-01-22  Doug Kwan  <dougkwan@google.com>
6295
6296         * arm.cc (Arm_exidx_fixup): New class.
6297
6298 2010-01-21  Doug Kwan  <dougkwan@google.com>
6299
6300         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6301         classes.
6302         (Arm_exidx_section_offset_map): New type.
6303
6304 2010-01-21  Doug Kwan  <dougkwan@google.com>
6305
6306         * arm.cc (Arm_exidx_input_section): New class.
6307         (Arm_relobj::exidx_input_section_by_link,
6308         Arm_relobj::exidx_input_section_by_shndx,
6309         Arm_relobj::make_exidx_input_section): New methods.
6310         (read_arm_attributes_section): Remove.
6311         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6312         information about them.
6313         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6314         to here.
6315
6316 2010-01-20  Doug Kwan  <dougkwan@google.com>
6317
6318         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6319         Input_section_specifier to Section_id.
6320         (Target_arm::new_arm_input_section: Adjust code for change of key
6321         type.
6322         (Target_arm::find_arm_input_section): Ditto.
6323         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6324         (Section_id): Remove.
6325         (Garbage_collection::Section_id_hash): Remove.
6326         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6327         (Section_id): Remove.
6328         (Icf::Section_id_hash): Remove.
6329         * object.h (Section_id, Const_section_id, Section_id_hash,
6330         Const_section_id_hash): New type definitions.
6331         * output.cc (Output_section::add_relaxed_input_section): Change to
6332         use Const_section_id instead of Input_section_specifier as key type.
6333         (Output_section::add_merge_input_section): Ditto.
6334         (Output_section::build_relaxation_map): Change to use Section_id
6335         instead of Input_section_specifier as key type.
6336         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6337         Ditto.
6338         (Output_section::convert_input_sections_to_relaxed_sections): Change
6339         to use Const_section_id instead of Input_section_specifier as key type.
6340         (Output_section::find_merge_section): Ditto.
6341         (Output_section::find_relaxed_input_section): Ditto.
6342         * output.h (Input_section_specifier): Remove class.
6343         (Output_section::Output_section_data_by_input_section_map): Change
6344         key type to Const_section_id.
6345         (Output_section::Output_relaxed_input_section_by_input_section_map):
6346         Ditto.
6347         (Output_section::Relaxation_map): Change key type to Section_id.
6348
6349 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6350
6351         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6352         (class Arm_v4bx_stub): New class.
6353         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6354         (Stub_factory::make_arm_v4bx_stub): New method.
6355         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6356         (Stub_table::empty): Handle v4bx stubs.
6357         (Stub_table::add_arm_v4bx_stub): New method.
6358         (Stub_table::find_arm_v4bx_stub): New method.
6359         (Arm_relocate_functions::v4bx): New method.
6360         (Target_arm::fix_v4bx): New method.
6361         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6362         (Stub_table::relocate_stubs): Likewise.
6363         (Stub_table::do_write): Likewise.
6364         (Stub_table::update_data_size_and_addralign): Likewise.
6365         (Stub_table::finalize_stubs):  Likewise.
6366         (Target_arm::Scan::local): Likewise.
6367         (Target_arm::Scan::global): Likewise.
6368         (Target_arm::do_finalize_sections): Likewise.
6369         (Target_arm::Relocate::relocate): Likewise.
6370         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6371         Likewise.
6372         (Target_arm::scan_reloc_for_stub): Likewise.
6373         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6374
6375 2010-01-19  Ian Lance Taylor  <iant@google.com>
6376
6377         * output.cc (Output_section_headers::do_sized_write): Write large
6378         segment count to sh_info field.
6379         (Output_file_header::do_sized_write): For large segment count,
6380         write PN_XNUM to e_phnum field.
6381
6382 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6383
6384         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6385         (Arm_relocate_functions::thm_jump8): New function.
6386         (Arm_relocate_functions::thm_jump11): New function.
6387         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6388         R_ARM_THM_JUMP11.
6389         (Target_arm::Scan::global): Likewise.
6390         (Target_arm::Relocate::relocate): Likewise.
6391         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6392         Likewise.
6393
6394 2010-01-14  Doug Kwan  <dougkwan@google.com>
6395
6396         * arm.cc (map, utility): Include headers.
6397         (Target_arm::apply_cortex_a8_workaround): New method.
6398         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6399         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6400         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6401         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6402         the --[no-]fix-cortex-a8 command line options.
6403         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6404         (Target_arm::relocate_stub): Use addend in instruction template.
6405         * options.h (DEFINE_bool): Set the user-set flag.
6406         (General_options): Add --[no-]-fix-cortex options.
6407         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6408         : Update fast look-up map after conversion.
6409
6410 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6411
6412         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6413         in the first pass of do_layout.
6414
6415 2010-01-13  Doug Kwan  <dougkwan@google.com>
6416
6417         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6418         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6419         apparent compiler problem of not folding static constant integral
6420         data members of elfcpp::Elf_sizes<32>.
6421
6422 2010-01-13  Doug Kwan  <dougkwan@google.com>
6423
6424         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6425         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6426         Arm_relobj::scan_section_for_cortex_a8_erratum,
6427         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6428         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6429         sections to scan for relocation stubs into a new method
6430         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6431         relocation and Cortex-A8 stub scanning.
6432         (Target_arm::do_relax): Force stubs to be after stubbed sections
6433         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6434         the beginning of a new relaxation pass.  Update a comment.
6435         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6436
6437 2010-01-12  Ian Lance Taylor  <iant@google.com>
6438
6439         * target-reloc.h (visibility_error): New inline function.
6440         (relocate_section): Call visibility_error.
6441         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6442         (MOSTLYCLEANFILES): Likewise.
6443         (protected_4_pic.o, protected_3.err): New targets.
6444         * testsuite/protected_4.cc: New file.
6445
6446 2010-01-12  Doug Kwan  <dougkwan@google.com>
6447
6448         * arm.cc (Cortex_a8_reloc): New class.
6449         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6450         and cortex_a8_relocs_info_.
6451         (Target_arm::fix_cortex_a8): New method definition.
6452         (Target_arm::Cortex_a8_relocs_info): New type.
6453         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6454         New data member declarations.
6455         (Target_arm::scan_reloc_for_stub): Record information about
6456         relocations for THUMB branches that might be exempted from the
6457         Cortex-A8 workaround.
6458         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6459         at the beginning of a relaxation pass.
6460
6461 2010-01-12  Doug Kwan  <dougkwan@google.com>
6462
6463         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6464         (Arm_relobj::Mapping_symbol_position,
6465          Arm_reloj::Mapping_symbol_position_less,
6466          Arm_relobj::Mapping_symbols_info): New types.
6467         (Target_arm::is_mapping_symbol_name): New method definition.
6468         (Arm_relobj::do_count_local_symbols): Save information about mapping
6469         symbols.
6470
6471 2010-01-11  Doug Kwan  <dougkwan@google.com>
6472
6473         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6474         Arm_relocate_functions::thumb32_branch_upper,
6475         Arm_relocate_functions::thumb32_branch_lower,
6476         Arm_relocate_functions::thumb32_cond_branch_offset,
6477         Arm_relocate_functions::thumb32_cond_branch_upper,
6478         Arm_relocate_functions::thumb32_cond_branch_lower,
6479         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6480         branch offset encoding.
6481         (Arm_relocate_functions::thumb_branch_common): Use new branch
6482         offset encoding methods to avoid code duplication.
6483         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6484         (Stub_addend_reader::operator()): Use new branch encoding method
6485         to avoid code duplication.
6486
6487 2010-01-11  Doug Kwan  <dougkwan@google.com>
6488
6489         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6490         (Target_arm::do_finalize_sections): Define special EXIDX section
6491         symbols only if referenced.
6492         * gc.h (Garbage_collection::add_reference): New method.
6493         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6494         code duplication.
6495
6496 2010-01-11  Ian Lance Taylor  <iant@google.com>
6497
6498         * script.cc (Version_script_info::build_expression_list_lookup):
6499         Change complaing about duplicate wildcard match from error to
6500         warning.
6501
6502         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6503         of 2009-12-30.
6504         (Version_script_info::Version_script_info): Initialize globs_,
6505         default_version_, default_is_global_, and exact_.  Don't
6506         initialize globals_ or locals_.
6507         (Version_script_info::build_lookup_tables): Build local symbols
6508         first.
6509         (Version_script_info::unquote): New function.
6510         (Version_script_info::add_exact_match): New function.
6511         (Version_script_info::build_expression_list_lookup): Remove lookup
6512         parameter.  Add is_global parameter.  Change all callers.  Handle
6513         wildcard pattern specially.  Unquote pattern.  Call
6514         add_exact_match.
6515         (Version_script_info::get_name_to_match): New function.
6516         (Version_script_info::get_symbol_version): New function.
6517         (Version_script_info::get_symbol_version_helper): Remove.
6518         (Version_script_info::check_unmatched_names): Call unquote.
6519         * script.h (class Version_script_info): Change get_symbol_version
6520         to be non-inline and add is_global parameter; change all callers.
6521         Rewrite symbol_is_local.  Update declarations.  Define struct
6522         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6523         Remove globals_ and locals_ members.  Add exact_, globs_,
6524         default_version_, is_global_.
6525         (Version_script_info::Glob): Remove pattern, add expression and
6526         is_global.  Update constructor.  Change all callers.
6527         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6528         default version.
6529         (Versions::symbol_section_contents): If a symbol is undefined, or
6530         defined in a dynamic object, set the version index to
6531         VER_NDX_LOCAL.
6532         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6533         symbol_is_local.
6534         (Symbol_table::add_from_pluginobj): Likewise.
6535         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6536
6537 2010-01-11  Doug Kwan  <dougkwan@google.com>
6538
6539         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6540         (incremental_dump_LDADD): Add linking option for libintl.
6541         * Makefile.in: Regenerate.
6542
6543 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6544
6545         PR gold/11144
6546         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6547         instead of -Ds.
6548         * testsuite/Makefile.in: Regenerated.
6549
6550 2010-01-10  Doug Kwan  <dougkwan@google.com>
6551
6552         * options.h (DEFINE_var): Use parentheses around argument varname__
6553         in macro body to avoid any unintended subsequent substitutions.
6554
6555 2010-01-10  Ian Lance Taylor  <iant@google.com>
6556
6557         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6558         candidates before doing symbol resolution.
6559
6560         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6561         ODR candidates if only one is weak.
6562
6563 2010-01-08  Ian Lance Taylor  <iant@google.com>
6564
6565         * script.cc (Version_script_info::build_expression_list_lookup):
6566         Don't warn about ambiguous version, just record the ambiguity.
6567         (Version_script_info::get_symbol_version_helper): Give error if
6568         version is ambiguous.
6569
6570 2010-01-08  Doug Kwan  <dougkwan@google.com>
6571
6572         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6573           prev_data_size_ and prev_addralign_.  Remove initializer for
6574           deleted data member has_been_changed_.
6575           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6576           to determine if the table is empty.
6577           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6578           Remove.
6579           (Stub_table::add_reloc_stub): Define method in class definition
6580           instead of just declaring it there.
6581           (Stub_table::add_cortex_a8_stub): New method definition.
6582           (Stub_table::update_data_size_and_addralign): Ditto.
6583           (Stub_table::finalize_stubs): Ditto.
6584           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6585           (Stub_table::do_addralign_): Return address alignment in the
6586           (Stub_table::do_reset_address_and_file_offset): Define method in
6587           class definition instead of declaring it there.  Set current data
6588           size to be the data size of the previous pass.
6589           (Stub_table::set_final_data_size): Use current data size as the
6590           final data size.
6591           (Stub_table::relocate_stub): Change parameter type of stub from
6592           Reloc_stub pointer to Stub pointer.
6593           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6594           (Stub_table::Cortex_a8_stub_list): New typedef.
6595           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6596            Stub_table::prev_addralign_): New data member.
6597           (Arm_relobj::Arm_relobj): Initialize data member
6598           section_has_cortex_a8_workaround_.
6599           (Arm_relobj::section_has_cortex_a8_workaround,
6600            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6601            definitions.
6602           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6603           declarations.
6604           (Target_arm::relocate_stub): Change parameter type of stub from
6605           Reloc_stub pointer to Stub pointer.
6606           (Insn_template::size, Insn_template::alignment): Handle
6607           THUMB16_SPECIAL_TYPE.
6608           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6609            Stub_table::update_data_size_and_addralign,
6610            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6611           definitions.
6612           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6613           (Stub_table::do_write): Ditto.
6614           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6615
6616 2010-01-08  Ian Lance Taylor  <iant@google.com>
6617
6618         PR 11108
6619         * symtab.h (class Symbol): Remove fields is_target_special_ and
6620         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6621         (Symbol::is_defined_in_discarded_section): New function.
6622         (Symbol::set_is_defined_in_discarded_section): New function.
6623         (Symbol::has_plt_offset): Rewrite.
6624         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6625         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6626         Don't initialize is_target_special_ or has_plt_offset_.
6627         Initialize is_defined_in_discarded_section_.
6628         (Symbol_table::add_from_relobj): If appropriate, set
6629         is_defined_in_discarded_section.
6630         * resolve.cc (Symbol::override_base_with_special): Don't test
6631         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6632         * target-reloc.h (relocate_section): Do special handling for
6633         symbols defined in discarded sections for global symbols as well
6634         as local symbols.
6635
6636 2010-01-08  Ian Lance Taylor  <iant@google.com>
6637
6638         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6639         the SHT_SYMTAB case.
6640
6641 2010-01-08  Ian Lance Taylor  <iant@google.com>
6642
6643         * object.cc (Sized_relobj::do_layout): Don't get confused if
6644         layout_eh_frame returns NULL.
6645
6646 2010-01-08  Ian Lance Taylor  <iant@google.com>
6647
6648         PR 11084
6649         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6650         dynamic symbol table, use the normal symbol table.
6651         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6652         symbol table.
6653
6654 2010-01-08  Ian Lance Taylor  <iant@google.com>
6655
6656         PR 11072
6657         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6658         sections.
6659
6660 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6661
6662         * version.cc (print_version): Change to "Copyright 2010".
6663
6664 2010-01-08  Ian Lance Taylor  <iant@google.com>
6665
6666         PR 10287
6667         PR 11063
6668         * i386.cc (class Target_i386): Change return type of plt_section
6669         to be non-const.
6670         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6671         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6672         tls_desc_rel_ field.
6673         (Output_data_plt_i386::rel_tls_desc): New function.
6674         (Target_i386::rel_tls_desc_section): New function.
6675         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6676         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6677         R_386_TLS_DESC reloc in rel_tls_desc_section.
6678         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6679         Define struct Tlsdesc_info.
6680         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6681         (Target_x86_64::do_reloc_symbol_index): New function.
6682         (Target_x86_64::add_tlsdesc_info): New function.
6683         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6684         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6685         tlsdesc_rel_ field.
6686         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6687         all callers.
6688         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6689         (Target_x86_64::rela_tlsdesc_section): New function.
6690         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6691         handling.
6692         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6693         (Target_x86_64::do_reloc_addend): New function.
6694         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6695         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6696         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6697         (Output_reloc::type): New function.
6698         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6699         (Output_reloc::is_target_specific): New function.
6700         (Output_reloc::target_arg): New function.
6701         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6702         absolute relocs and target specific relocs.
6703         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6704         add_target_specific.
6705         (class Output_data_reloc) [SHT_RELA]: Likewise.
6706         * output.cc (Output_reloc::Output_reloc): Add four new versions
6707         for absolute relocs and target specific relocs.
6708         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6709         (Output_reloc::get_symbol_index): Likewise.
6710         (Output_reloc::local_section_offset): Check that local_sym_index_
6711         is not TARGET_CODE or 0.
6712         (Output_reloc::symbol_value): Likewise.
6713         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6714         reloc.
6715         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6716         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6717         functions.
6718         * layout.cc (add_target_dynamic_tags): Use output section for
6719         DT_PLTRELSZ and DT_JMPREL.
6720
6721 2010-01-07  Ian Lance Taylor  <iant@google.com>
6722
6723         PR 11061
6724         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6725         function.
6726         (class Output_data_reloc_generic): Define.
6727         (class Output_data_reloc_base): Change base class to
6728         Output_data_reloc_generic.  Change add() method to call
6729         bump_relative_reloc_count for a relative reloc.  Remove
6730         sort_relocs_ field.
6731         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6732         to sort_relocs().
6733         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6734         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6735         appropriate.
6736         * layout.h (class Layout): Update declaration.
6737
6738 2010-01-07  Ian Lance Taylor  <iant@google.com>
6739
6740         * output.h (class Output_data): Add const version of
6741         output_section and do_output_section.
6742         (class Output_section_data): Add const version of
6743         do_output_section.
6744         (class Output_section): Likewise.
6745         * layout.cc (Layout::add_target_dynamic_tags): New function.
6746         * layout.h (class Layout): Update declarations.
6747         * arm.cc (Target_arm::do_finalize_sections): Use
6748         add_target_dynamic_tags.
6749         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6750         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6751         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6752         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6753
6754 2010-01-07  Ian Lance Taylor  <iant@google.com>
6755
6756         PR 11042
6757         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6758         object as needed.
6759
6760 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6761             Ian Lance Taylor  <iant@google.com>
6762
6763         PR 11019
6764         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6765         Xindex::read_symtab_xindex.
6766
6767 2010-01-07  Doug Kwan  <dougkwan@google.com>
6768
6769         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6770         (Insn_template::thumb16_bcond_insn): New method declaration.
6771         (Insn_template): Fix spelling.
6772         (Stub::thumb16_special): New method declaration.
6773         (Stub::do_write): Define virtual method which was previously pure
6774         virtual.
6775         (Stub::do_thumb16_special): New method declaration.
6776         (Stub::do_fixed_endian_write): New template member.
6777         (Reloc_stub::do_write): Remove.
6778         (Reloc_stub::do_fixed_endian_write): Remove.
6779         (Cortex_a8_stub): New class definition.
6780         (Stub_factory::make_cortex_a8_stub): New method definition.
6781         (Stub_factory::Stub_factory): Add missing static storage class
6782         qualifier for elf32_arm_stub_a8_veneer_blx.
6783
6784 2010-01-07  Ian Lance Taylor  <iant@google.com>
6785
6786         PR 10980
6787         * options.h (class General_options): Add --warn-unresolved-symbols
6788         and --error-unresolved-symbols.
6789         * errors.cc (Errors::undefined_symbol): Implement
6790         --warn-unresolved-symbols.
6791
6792         * options.h (class General_options): Add -z text and -z textoff.
6793         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6794
6795 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6796
6797         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6798         (Garbage_collection::cident_sections): New function.
6799         (Garbage_collection::add_cident_section): New function.
6800         (Garbage_collection::cident_sections_): New member.
6801         (gc_process_relocs): Add references to sections whose names are C
6802         identifiers.
6803         * gold.h (cident_section_start_prefix): New constant.
6804         (cident_section_stop_prefix): New constant.
6805         (is_cident): New function.
6806         * layout.cc (Layout::define_section_symbols): Replace string constants
6807         with the newly defined constants.
6808         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6809         C identifiers.
6810         * testsuite/Makefile.am: Add gc_orphan_section_test.
6811         * testsuite/Makefile.in: Regenerate.
6812         * testsuite/gc_orphan_section_test.cc: New file.
6813         * testsuite/gc_orphan_section_test.sh: New file.
6814
6815 2010-01-06  Ian Lance Taylor  <iant@google.com>
6816
6817         PR 10980
6818         * options.h (class General_options): Add --warn-shared-textrel.
6819         * layout.cc (Layout::finish_dynamic_section): Implement
6820         --warn-shared-textrel.
6821
6822         PR 10980
6823         * options.h (class General_options): Add --warn-multiple-gp.
6824
6825 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6826
6827         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6828         $(THREADSLIB) and $(LIBDL).
6829         * Makefile.in: Rebuild.
6830
6831 2010-01-06  Ian Lance Taylor  <iant@google.com>
6832
6833         PR 10980
6834         * options.cc (General_options::parse_section_start): New function.
6835         (General_options::section_start): New function.
6836         (General_options::General_options): Initialize all members.
6837         * options.h: Include <map>
6838         (class General_options): Add --section-start.  Add section_starts_
6839         member.
6840         * layout.cc (Layout::attach_allocated_section_to_segment): If
6841         --section-start was used, set the address of the segment.  Remove
6842         local sort_sections.
6843         (Layout::relaxation_loop_body): If the address of the load segment
6844         has been set by --section-start, don't use it.
6845         * output.h (Output_segment::update_flags_for_output_section): New
6846         function.
6847         * output.cc (Output_segment::add_output_section): Call
6848         update_flags_for_output_section.
6849
6850 2010-01-05  Ian Lance Taylor  <iant@google.com>
6851
6852         PR 10980
6853         * options.h (class General_options): Add --undefined-version.
6854         * script.cc (struct Version_expression): Add was_matched_by_symbol
6855         field.
6856         (Version_script_info::matched_symbol): New function.
6857         (Version_script_info::get_symbol_version_helper): Call
6858         matched_symbol.
6859         (Version_script_info::check_unmatched_names): New function.
6860         * script.h (class Version_script_info): Update declarations.
6861         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6862
6863         * options.h (class General_options): Use DEFINE_bool_alias for
6864         allow_multiple_definition.
6865         * resolve.cc (Symbol_table::should_override): Don't test
6866         allow_multiple_definition.
6867
6868         PR 10980
6869         * options.h (class General_options): Add --cref.
6870         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6871         until after printing cref table.
6872         * cref.cc: Include "symtab.h".
6873         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6874         (Cref_table_compare::operator()): New function.
6875         (Cref_inputs::gather_cref): New function.
6876         (filecol): New static const.
6877         (Cref_inputs::print_cref): New function.
6878         (Cref::print_cref): New function.
6879         * cref.h: Include <cstdio>.
6880         (class Cref): Update declarations.
6881         * mapfile.h (Mapfile::file): New function.
6882         * object.h (class Object): Define Symbols.  Declare virtual
6883         do_get_global_symbols.
6884         (Object::get_global_symbols): New function.
6885         * object.cc (Input_objects::add_object): Pass object to cref_ if
6886         --cref.
6887         (Input_objects::archive_start): Likewise.
6888         (Input_objects::archive_stop): Likewise.
6889         (Input_objects::print_cref): New function.
6890         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6891         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6892         --cref.
6893         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6894         function.
6895         * plugin.h (class Sized_pluginobj): Update declarations.
6896
6897 2010-01-05  Ian Lance Taylor  <iant@google.com>
6898
6899         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6900         to is_default_version.  Rename insdef to insdefault.
6901         (Symbol_table::add_from_relobj): Rename def to is_default_version
6902         and local to is_forced_local.
6903         (Symbol_table::add_from_pluginobj): Likewise.
6904         (Symbol_table::add_from_dynobj): Likewise.
6905         (Symbol_table::define_special_symbol): Rename insdef to
6906         insdefault.
6907
6908 2010-01-04  Ian Lance Taylor  <iant@google.com>
6909
6910         PR 10980
6911         * options.h (class General_options): Add
6912         --allow-multiple-definition and -z muldefs.
6913         * resolve.cc (Symbol_table::should_override): Don't warn about a
6914         multiple symbol definition if --allow-multiple-definition or -z
6915         muldefs.
6916
6917         PR 10980
6918         * options.h (class General_options): Add --add-needed and
6919         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6920         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6921         error if --copy-dt-needed-entries aka --add-needed is used and
6922         would cause a change in behaviour.
6923
6924         PR 10980
6925         * options.h (class General_options): Add -G as a short version of
6926         --shared.  Add no-op options -assert, -g, and -i.
6927
6928 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6929
6930         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6931         check for .text or .gnu.linkonce.t sections.
6932         * icf.cc (Icf::find_identical_sections): Ditto.
6933         Change the detection for mangled function name within the section
6934         name.
6935         * icf.h (is_section_foldable_candidate): New function.
6936
6937 2009-12-30  Ian Lance Taylor  <iant@google.com>
6938
6939         PR 10980
6940         * options.h (class General_options): Permit two dashes with
6941         --retain-symbols-file.
6942
6943 2009-12-30  Ian Lance Taylor  <iant@google.com>
6944
6945         PR 10979
6946         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6947         don't put the file header and segment headers in the text
6948         segment.
6949
6950         PR 10979
6951         * common.cc (Sort_commons::operator()): Stabilize sort when both
6952         entries are NULL.
6953         (Symbol_table::do_allocate_commons_list): When allocating common
6954         symbols, skip a symbol which is no longer common.
6955         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6956         an object before checking its type.
6957         * testsuite/common_test_2.c: New file.
6958         * testsuite/common_test_3.c: New file.
6959         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6960         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6961         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6962         (common_test_2_pic.o, common_test_2.so): New targets.
6963         (common_test_3_pic.o, common_test_3.so): New targets.
6964         * testsuite/Makefile.in: Rebuild.
6965
6966         PR 10979
6967         * script.cc (read_input_script): If we see a new SECTIONS clause,
6968         and we have added an input section, give an error.
6969         * layout.h (class Layout): Add have_added_input_section function.
6970         Add have_added_input_section_ field.
6971         * layout.cc (Layout::Layout): Initialize
6972         have_added_input_section_.
6973         (Layout::layout): Set have_added_input_section_.
6974         (Layout::layout_eh_frame): Likewise.
6975
6976 2009-12-30  Ian Lance Taylor  <iant@google.com>
6977
6978         PR 10931
6979         * options.h (class General_options): Add --sort-common option.
6980         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6981         * common.cc (Sort_common): Add sort_order parameter to
6982         constructor.  Add sort_order_ field.
6983         (Sort_commons::operator): Check sort_order_.
6984         (Symbol_table::allocate_commons): Determine the sort order.
6985         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6986         Change all callers.
6987         (Symbol_table::do_allocate_commons_list): Likewise.
6988
6989 2009-12-30  Ian Lance Taylor  <iant@google.com>
6990
6991         PR 10916
6992         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6993         symbols from this object, don't change the visibility of an
6994         undefined symbol.
6995         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6996
6997 2009-12-30  Ian Lance Taylor  <iant@google.com>
6998
6999         PR 10861
7000         * script.h (class Version_script_info): Define Language enum.
7001         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7002         new fields globals_, locals_, and is_finalized_.
7003         * script.cc: Various formatting fixes.
7004         (class Parser_closure): Change language_stack_ from a vector of
7005         std::string to one of Version_script_info::Language.  Adjust all
7006         uses accordingly.
7007         (class Lazy_demangler): Remove.
7008         (struct Version_expression): Change language from std::string to
7009         Version_script_info::Language.
7010         (Version_script_info::Version_script_info): New function.
7011         (Version_script_info::~Version_script_info): Don't call clear.
7012         (Version_script_info::finalize): New function.
7013         (Version_script_info::build_lookup_tables): New function.
7014         (Version_script_info::build_expression_list_lookup): New
7015         function.
7016         (Version_script_info::get_symbol_version_helper): Rewrite to use
7017         lookup tables.
7018         (Version_script_info::print_expression_list): Adjust to use
7019         Version_script_info::Language.
7020         (script_push_lex_into_version_mode): Check that the version script
7021         has not been finalized.
7022         (version_script_push_lang): Change language string to
7023         Version_script_info::Language.
7024         * options.cc (Command_line::version_script): New function.
7025         * options.h (class General_options): Add finalize_dynamic_list
7026         function.  Change version_script from declaration to definition.
7027         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7028         * testsuite/version_script.map: Remove duplicate def of foo.
7029         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7030         version_script.map.
7031         * testsuite/Makefile.in: Rebuild.
7032
7033 2009-12-30  Ian Lance Taylor  <iant@google.com>
7034
7035         PR 10843
7036         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7037         if the input symbol index is 0, make the output symbol index 0.
7038
7039 2009-12-30  Ian Lance Taylor  <iant@google.com>
7040
7041         PR 10670
7042         * options.h (class General_options): Add -x/--discard-all.
7043         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7044         --discard-all.  If the local symbol needs a dynamic entry, check
7045         that before handling --discard-locals.
7046
7047 2009-12-30  Ian Lance Taylor  <iant@google.com>
7048
7049         PR 10450
7050         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7051         flags to PF_R.
7052         (Output_segment::add_output_section): Don't change the flags if
7053         the type is PT_TLS.
7054
7055         PR 10450
7056         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7057         GNU hash table if they need a dynamic value.  Otherwise, don't add
7058         them if they are defined in a dynamic object or are forced local.
7059
7060 2009-12-29  Ian Lance Taylor  <iant@google.com>
7061
7062         PR 10450
7063         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7064         .gnu.hash table for a 32-bit target.
7065
7066         PR 10450
7067         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7068         regular and a dynamic object only needs a dynamic symbol table
7069         entry if it is externally visible.
7070
7071         PR 10450
7072         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7073         constructor.  Add global_offset_table_ field.
7074         (Target_i386::got_section): Set global_offset_table_.
7075         (Target_i386::do_finalize_sections): Set global_offset_table_
7076         size.
7077         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7078         in constructor.  Add global_offset_table_ field.
7079         (Target_x86_64::got_section): Set global_offset_table_.
7080         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7081         size.
7082
7083         * layout.cc (Layout::Layout): Initialize increase_relro_.
7084         (Layout::get_output_section): Add is_relro, is_last_relro, and
7085         is_first_non_relro parameters.  Change all callers.
7086         (Layout::choose_output_section): Likewise.
7087         (Layout::add_output_section_data): Likewise.
7088         (Layout::make_output_section): Likewise.
7089         (Layout::set_segment_offsets): Clear increase_relro when using a
7090         linker script.
7091         * layout.h (class Layout): Add increase_relro method.  Add
7092         increase_relro_ field.  Update declarations.
7093         * output.cc (Output_section::Output_section): Initialize
7094         is_last_relro_ and is_first_non_relro_.
7095         (Output_segment::add_output_section): Group relro sections is
7096         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7097         (Output_segment::maximum_alignment): Remove relro handling.
7098         (Output_segment::set_section_addresses): Add increase_relro
7099         parameter.  Change all callers.  Add initial alignment to align
7100         relro sections on separate page.  Remove old relro handling.
7101         (Output_segment::set_section_list_addresses): Remove in_relro
7102         parameter.  Change all callers.
7103         (Output_segment::set_offset): Add increase parameter.  Change all
7104         callers.  Remove old relro handling.
7105         * output.h (class Output_section): Add new methods: is_last_relro,
7106         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7107         Add is_last_relro_ and is_first_non_relro_ fields.
7108         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7109         Create separate .got.plt section.  Call increase_relro.
7110         * x86_64.cc (Target_x86_64::got_section): Likewise.
7111         * testsuite/relro_script_test.t: Add .got.plt.
7112
7113         PR 10450
7114         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7115         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7116         (Layout::finalize): Call set_dynamic_symbol_size.
7117         (Layout::set_dynamic_symbol_size): New function.
7118         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7119         set_dynamic_symbol_size.
7120
7121         PR 10450
7122         * output.h (class Output_section): Add is_entsize_zero_ field.
7123         * output.cc (Output_section::Output_section): Initialize
7124         is_entsize_zero_.
7125         (Output_section::set_entsize): If two different entsizes are
7126         requested, force it to zero.
7127         (Output_section::add_input_section): Set flags for .debug_str
7128         before updating section flags.  Set entsize.
7129         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7130         and SHF_STRING if all input sections have those flags.
7131
7132 2009-12-29   Rafael Espindola  <espindola@google.com>
7133
7134         * main.cc (main): Fix the sys time reporting.
7135         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7136         reporting.
7137
7138 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7139
7140         * options.cc (General_options::parse_version): Allow -v to exit
7141         without an error if there is nothing to link.
7142
7143 2009-12-29  Ian Lance Taylor  <iant@google.com>
7144
7145         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7146         using a version of gcc before 4.1.
7147         * configure: Rebuild.
7148
7149 2009-12-28  Chris Demetriou  <cgd@google.com>
7150
7151         * attributes.cc (Output_attributes_section_data::do_write): Use
7152         std::vector::front rather than std::vector::data.
7153
7154 2009-12-28  Ian Lance Taylor  <iant@google.com>
7155
7156         * symtab.h (class Symbol_table): Add enum Defined.
7157         * resolve.cc (Symbol_table::should_override): Add defined
7158         parameter.  Change all callers.  Test whether object is NULL
7159         before calling a method on it.
7160         (Symbol_table::report_resolve_problem): Add defined parameter.
7161         Change all callers.
7162         (Symbol_table::should_override_with_special): Likewise.
7163         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7164         parameter.  Change all callers.
7165         (Symbol_table::do_define_in_output_data): Likewise.
7166         (Symbol_table::define_in_output_segment): Likewise.
7167         (Symbol_table::do_define_in_output_segment): Likewise.
7168         (Symbol_table::define_as_constant): Likewise.
7169         (Symbol_table::do_define_as_constant): Likewise.
7170         * script.h (class Symbol_assignment): Add is_defsym parameter to
7171         constructor; change all callers.
7172         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7173         parameter.  Change all callers.  Add is_defsym_ field.
7174         (class Parser_closure): Add parsing_defsym parameter to
7175         constructor; change all callers.  Add parsing_defsym accessor
7176         function.  Add parsing_defsym_ field.
7177
7178 2009-12-28  Ian Lance Taylor  <iant@google.com>
7179
7180         * gold.cc (queue_middle_tasks): Fix formatting.
7181         * object.cc (Relobj::is_section_name_included): Likewise.
7182
7183 2009-12-23  Ian Lance Taylor  <iant@google.com>
7184
7185         * i386.cc (Target_i386::do_calls_non_split): Recognize
7186         -fsplit-stack prologue for a function with a static chain.
7187         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7188         -fsplit-stack prologue when using %r11.
7189
7190 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7191
7192         * options.cc (General_options::parse_version): Make -v continue and do
7193         the link like GNU ld does.
7194
7195 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7196
7197         * Makefile.am (CCFILES): Add timer.cc.
7198         (HFILES): Add timer.h.
7199         * configure.ac: Check for sysconf and times.
7200         * main.cc: include timer.h.
7201         (main): Use Timer instead of get_run_time.
7202         * timer.cc: New.
7203         * timer.h: New.
7204         * workqueue.cc: include timer.h.
7205         (Workqueue::find_and_run_task):
7206         Report user, sys and wall time.
7207         * Makefile.in: Regenerate.
7208         * config.in: Regenerate.
7209         * configure: Regenerate.
7210
7211 2009-12-16  Doug Kwan  <dougkwan@google.com>
7212
7213         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7214         sections.
7215         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7216         relaxed input sections.
7217         * output.cc (Output_section::find_relaxed_input_section): Change
7218         return type to Output_relaxed_input_section pointer.  Adjust code
7219         for new type of relaxed_input_section_map_.
7220         * output.h (Output_section::find_relaxed_input_section): Change
7221         return type to Output_relaxed_input_section pointer.
7222         (Output_section::Output_relaxed_input_section_by_input_section_map):
7223         New type.
7224         (Output_section::relaxed_input_section_map_): Change type to
7225         Output_section::Output_relaxed_input_section_by_input_section_map.
7226         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7227         input section.
7228
7229 2009-12-15  Ian Lance Taylor  <iant@google.com>
7230
7231         * layout.cc (Layout::create_shstrtab): Only write out after input
7232         sections if we are compressing debug sections.
7233
7234 2009-12-15  Ian Lance Taylor  <iant@google.com>
7235
7236         * archive.cc (Archive::add_symbols): Only look up a symbol without
7237         a version if there is, in fact, a version.
7238
7239 2009-12-14  Ian Lance Taylor  <iant@google.com>
7240
7241         Revert -Wshadow changes, all changes from:
7242         2009-12-11  Doug Kwan  <dougkwan@google.com>
7243         2009-12-11  Nick Clifton  <nickc@redhat.com>
7244         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7245
7246 2009-12-11  Doug Kwan  <dougkwan@google.com>
7247
7248         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7249         due to -Wshadow.
7250         * attributes.cc (Object_attribute::size): Ditto.
7251         (Attributes_section_data::size): Ditto.
7252         (Attributes_section_data::Attributes_section_data): Ditto.
7253         (Output_attributes_section_data::do_write): Ditto.
7254         * attributes.h (Object_attribute::set_type): Ditto.
7255         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7256
7257 2009-12-11  Nick Clifton  <nickc@redhat.com>
7258
7259         * archive.cc: Fix shadowed variable warnings.
7260         * arm.cc: Likewise.
7261         * compressed_output.cc: Likewise.
7262         * compressed_output.h: Likewise.
7263         * configure: Likewise.
7264         * dwarf_reader.cc: Likewise.
7265         * dynobj.cc: Likewise.
7266         * dynobj.h: Likewise.
7267         * ehframe.cc: Likewise.
7268         * ehframe.h: Likewise.
7269         * errors.cc: Likewise.
7270         * expression.cc: Likewise.
7271         * fileread.cc: Likewise.
7272         * fileread.h: Likewise.
7273         * freebsd.h: Likewise.
7274         * i386.cc: Likewise.
7275         * icf.cc: Likewise.
7276         * incremental.h: Likewise.
7277         * layout.cc: Likewise.
7278         * layout.h: Likewise.
7279         * mapfile.cc: Likewise.
7280         * merge.cc: Likewise.
7281         * merge.h: Likewise.
7282         * object.cc: Likewise.
7283         * object.h: Likewise.
7284         * options.h: Likewise.
7285         * output.cc: Likewise.
7286         * output.h: Likewise.
7287         * parameters.cc: Likewise.
7288         * plugin.cc: Likewise.
7289         * powerpc.cc: Likewise.
7290         * reduced_debug_output.cc: Likewise.
7291         * reduced_debug_output.h: Likewise.
7292         * reloc.cc: Likewise.
7293         * reloc.h: Likewise.
7294         * resolve.cc: Likewise.
7295         * script-sections.cc: Likewise.
7296         * script.cc: Likewise.
7297         * script.h: Likewise.
7298         * sparc.cc: Likewise.
7299         * symtab.cc: Likewise.
7300         * symtab.h: Likewise.
7301         * target-select.cc: Likewise.
7302         * target-select.h: Likewise.
7303         * token.h: Likewise.
7304         * workqueue.cc: Likewise.
7305         * workqueue.h: Likewise.
7306         * x86_64.cc: Likewise.
7307
7308 2009-12-10  Doug Kwan  <dougkwan@google.com>
7309
7310         * arm.cc (attributes.h): New include.
7311         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7312         (Arm_relobj::~Arm_relobj): Delete object pointed by
7313         attributes_section_data_.
7314         (Arm_relobj::attributes_section_data): New method definition.
7315         (Arm_relobj::attributes_section_data_): New data member declaration.
7316         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7317         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7318         attributes_section_data_.
7319         (Arm_dynobj::attributes_section_data): New method definition.
7320         (Arm_dynobj::attributes_section_data_): New data member declaration.
7321         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7322         initialization value of may_use_blx_ to false.
7323         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7324         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7325         object attributes to compute results instead of hard-coding.
7326         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7327         Target_arm::get_secondary_compatible_arch,
7328         Target_arm::set_secondary_compatible_arch
7329         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7330         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7331         New method declarations.
7332         (Target_arm::get_aeabi_object_attribute): New method definition.
7333         (Target_arm::attributes_section_data_): New data member declaration.
7334         (read_arm_attributes_section): New template definition.
7335         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7336         (Arm_dynobj::do_read_symbols): Ditto.
7337         (Target_arm::do_finalize_sections): Merge attributes sections from
7338         input.  Check for BLX use after attributes section merging.
7339         Fix __exidx_start and __exidx_end visibility.  Create an
7340         .ARM.attributes section if necessary.
7341         (Target_arm::get_secondary_compatible_arch,
7342         Target_arm::set_secondary_compatible_arch,
7343         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7344         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7345         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7346         New method definitions.
7347
7348 2009-12-09  Ian Lance Taylor  <iant@google.com>
7349
7350         * plugin.cc (Plugin::load): Don't cast from void* to a function
7351         pointer.
7352
7353 2009-12-09  Ian Lance Taylor  <iant@google.com>
7354
7355         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7356         information fields.
7357
7358 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7359
7360         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7361         Replace two_file_shared_1.so with two_file_shared_2.so.
7362         * testsuite/Makefile.in: Regenerated.
7363
7364 2009-12-08  Doug Kwan  <dougkwan@google.com>
7365
7366         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7367         (HFILES): Add attributes.h and int_encoding.h.
7368         * Makefile.in: Regenerate.
7369         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7370         function definitions to int_encoding.cc
7371         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7372         prototypes to int_encoding.h
7373         * reduced_debug_output.cc (int_encoding.h): New include.
7374         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7375         function definitions to int_encoding.cc
7376         (insert_into_vector, read_from_pointer): Move template definitions to
7377         int_encoding.h
7378         * attributes.cc: New file.
7379         * attributes.h: New file.
7380         * int_encoding.cc: New file.
7381         * int_encoding.h: New file.
7382
7383 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7384
7385         PR gold/11055
7386         * incremental-dump.cc (dump_incremental_inputs): New.
7387         (main): Use dump_incremental_inputs.
7388
7389 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7390
7391         PR gold/10893
7392         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7393         checking elfcpp::STT_FUNC.
7394         (Target_i386::Relocate::relocate): Likewise.
7395         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7396
7397         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7398         symbols from shared libraries into normal FUNC symbols.
7399
7400         * symtab.h (Symbol): Add is_func and use it.
7401
7402 2009-12-05  Doug Kwan  <dougkwan@google.com>
7403
7404         * arm.cc (Target_arm::arm_info): Initialize new fields
7405         attributes_section and attributes_vendor.
7406         * i386.cc (Target_i386::i386_info): Same.
7407         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7408         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7409         fields attributes_section and attributes_vendor.
7410         * sparc.cc (Target_sparc::sparc_info): Same.
7411         * target.h (Target::attributes_section, Target::attributes_vendor,
7412         Target::is_attributes_section, Target::attribute_arg_type,
7413         Target::attributes_order): New method definitions.
7414         (Target::Target_info::attributes_section,
7415         Target::Target_info::attributes_vendor): New fields.
7416         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7417         virtual method definitions.
7418         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7419         attributes_section and attributes_vendor.
7420         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7421
7422 2009-12-05  Doug Kwan  <dougkwan@google.com>
7423
7424         * arm.cc: Update comments about interworking and stub generation.
7425         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7426         considered as non-PIC.
7427         (Arm_relocate_functions::base_abs): Fix formatting.
7428         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7429         of function to use GOT entry address instead of offset.
7430         (Target_arm::Scan::global): Issue an error if a symbol would need a
7431         PLT does not get one because it is untyped.  Remove code to create
7432         dynamic symbols for relative branches.
7433         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7434         takes unsigned integer instead of boolean.
7435
7436 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7437
7438         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7439         (two_file_test_LDADD): Likewise.
7440         (common_test_1_LDADD): Likewise.
7441         (exception_test_LDADD) Likewise.
7442         (weak_test_LDADD): Likewise.
7443         (many_sections_test_LDADD): Likewise.
7444         (initpri1_LDADD): Likewise.
7445         (script_test_1_LDADD): Likewise.
7446         (script_test_2_LDADD): Likewise.
7447         (justsyms_LDADD): Likewise.
7448         (binary_test_LDADD): Likewise.
7449         (large_LDADD): Likewise.
7450         * testsuite/Makefile.in: Regenerated.
7451
7452 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7453
7454         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7455         (Symbol_table::override_with_special): Likewise.
7456         (Symbol_table::add_from_object): Likewise.
7457
7458 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7459
7460         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7461         Don't set the data_offset twice.
7462
7463 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7464
7465         * testsuite/Makefile.in: Regenerate.
7466
7467 2009-12-03  Doug Kwan  <dougkwan@google.com>
7468
7469         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7470         (Target_arm::do_finalize_sections): Add parameter for symbol table
7471         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7472         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7473         parameter for symbol table pointer.
7474         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7475         an additional parameter for a pointer to symbol table.
7476         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7477         parameter for a symbol table pointer.
7478         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7479         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7480         Ditto.
7481         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7482         parameter for a symbol table pointer.
7483
7484 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7485
7486         * incremental.cc (Incremental_inputs_header)
7487         (Incremental_inputs_header_write, Incremental_inputs_entry)
7488         (Incremental_inputs_entry_write): Move ...
7489         * incremental.h (Incremental_inputs_header)
7490         (Incremental_inputs_header_write, Incremental_inputs_entry)
7491         (Incremental_inputs_entry_write): here.
7492
7493 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7494
7495         * incremental.cc (make_sized_incremental_binary): Set the target.
7496         Error if it is incompatible.
7497         * output.h (Output_file): Add filename method.
7498
7499 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7500
7501         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7502         from the get_* methods.
7503
7504 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7505
7506         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7507         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7508         Write 0 for the data_offset of scripts.
7509
7510 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7511
7512         * testsuite/Makefile.am: Add the incremental_test.sh test.
7513         * testsuite/incremental_test.sh: New.
7514         * testsuite/incremental_test_1.c: New.
7515         * testsuite/incremental_test_2.c: New.
7516
7517 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7518
7519        * incremental-dump.cc (main): Fix typos.
7520
7521 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7522
7523         PR gold/11025
7524         * incremental-dump.cc (main): Use llu to print 64 bit values.
7525
7526 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7527             H.J. Lu  <hongjiu.lu@intel.com>
7528
7529         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7530         $(LIBDL).
7531         (incremental_dump_LDADD): Likewise.
7532         * Makefile.in: Regenerated.
7533
7534 2009-11-25  Doug Kwan  <dougkwan@google.com>
7535
7536         Revert:
7537
7538         2009-11-25  Doug Kwan  <dougkwan@google.com>
7539
7540                 * arm.cc (Target_arm::Target_arm): Move method definition
7541                 outside of class definition.  Add code to handle
7542                 --target1-rel, --target1-abs and --target2= options.
7543                 (Target_arm::get_reloc_reloc_type): Change method to be
7544                 non-static and const.
7545                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7546                 New data member declaration.
7547                 (Target_arm::Scan::local, Target_arm::Scan::global,
7548                 Target_arm::Relocate::relocate,
7549                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7550                 Adjust call to Target_arm::get_real_reloc_type.
7551                 (Target_arm::get_real_reloc_type): Use command line options
7552                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7553                 * options.h (--target1-rel, --target1-abs, --target2): New
7554                 ARM-only options.
7555
7556 2009-11-25  Doug Kwan  <dougkwan@google.com>
7557
7558         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7559         class definition.  Add code to handle --target1-rel, --target1-abs
7560         and --target2= options.
7561         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7562         and const.
7563         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7564         member declaration.
7565         (Target_arm::Scan::local, Target_arm::Scan::global,
7566         Target_arm::Relocate::relocate,
7567         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7568         call to Target_arm::get_real_reloc_type.
7569         (Target_arm::get_real_reloc_type): Use command line options to
7570         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7571         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7572         options.
7573
7574 2009-11-25  Doug Kwan  <dougkwan@google.com>
7575
7576         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7577         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7578         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7579         formatting.
7580         (Arm_relocate_functions::thm_call): Replace body with a call to
7581         Arm_relocate_functions::thumb_branch_common.
7582         (Arm_relocate_functions::thm_jump24,
7583         Arm_relocate_functions::thm_xpc22): New method definitions.
7584         (Arm_relocate_functions::thumb_branch_common): New method definition.
7585         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7586         operator.
7587         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7588         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7589
7590 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7591
7592         * Makefile.am: Build incremental-dump
7593         * Makefile.in: Regenerate.
7594         * incremental-dump.cc: New.
7595         * incremental.cc (Incremental_inputs_header_data,
7596         Incremental_inputs_entry_data): Move to incremental.h
7597         * incremental.h: (Incremental_inputs_header_data,
7598         Incremental_inputs_entry_data): Move from incremental.cc
7599
7600 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7601
7602         * incremental.cc (Incremental_inputs_header,
7603         Incremental_inputs_header_write, Incremental_inputs_entry,
7604         Incremental_inputs_entry_write): Add a typedef with the data type.
7605
7606 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7607
7608         * incremental.cc (Incremental_inputs_header,
7609         Incremental_inputs_header_write, Incremental_inputs_entry,
7610         Incremental_inputs_entry_write): Update comment about which
7611         type has the filed descriptions.
7612
7613 2009-11-15  Doug Kwan  <dougkwan@google.com>
7614
7615         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7616         (Arm_relocate_functions::arm_branch_common): Change method defintion
7617         in class definition to a method declaration and update list of formal
7618         parameters.
7619         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7620         Arm_relocation_functions::jump24): Adjust call to
7621         Arm_relocate_functions::arm_branch_common.  Update list of formal
7622         parameters.
7623         (Arm_relocate_functions::xpc25): New method definition.
7624         (Arm_relocate_functions::arm_branch_common): Move method defintion
7625         out from class definition.  Use stubs for mode-switching and extending
7626         branch ranges.
7627         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7628         specially.  Change code to enable use of stubs in ARM branches.
7629
7630 2009-11-10  Doug Kwan  <dougkwan@google.com>
7631
7632         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7633         in method declaration.
7634         (Target_arm::relocate_stub): New method declaration.
7635         (Target_arm::default_target): Change to return a pointer instead of
7636         a const reference.
7637         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7638         Target_arm::default_target.
7639         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7640         method definition.
7641         (Target_arm::relocate_section): Adjust view.
7642         (Target_arm::relocate_stub): New method definition.
7643
7644 2009-11-10  Doug Kwan  <dougkwan@google.com>
7645
7646         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7647         a format warning.
7648         * incremental.cc (open_incremental_binary): Initialized local
7649         variables to avoid warnings.
7650         * object.cc (make_elf_object): Ditto.
7651         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7652         a format warning.
7653
7654 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7655
7656         PR gold/10930
7657         * testsuite/plugin_test.c: Include "config.h".
7658
7659 2009-11-09  Doug Kwan  <dougkwan@google.com>
7660
7661         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7662         (arm_symbol_value): Remove.
7663         (Arm_relocate_functions::arm_branch_common,
7664         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7665         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7666         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7667         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7668         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7669         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7670         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7671         Arm_relocate_functions::thm_mobw_abs_nc,
7672         Arm_relocate_functions::thm_mov_abs,
7673         Arm_relocate_functions::movw_prel_nc,
7674         Arm_relocate_functions::thm_movt_abs,
7675         Arm_relocate_functions::movt_prel,
7676         Arm_relocate_functions::thm_movw_prel_nc,
7677         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7678         (Target_arm::Relocate::relocate): Only decompose address into two
7679         parts if relocation type uses the thumb-bit and pass the actual
7680         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7681         calls to methods in Arm_relocate_functions for this change.
7682
7683 2009-11-08  Ian Lance Taylor  <iant@google.com>
7684
7685         PR 10925
7686         * reloc.cc: Instantiate
7687         Sized_relobj::initialize_input_to_output_maps and
7688         Sized_relobj:free_input_to_output_maps.
7689
7690 2009-11-06  Ian Lance Taylor  <iant@google.com>
7691
7692         PR 10876
7693         * defstd.cc (in_segment): Set only_if_ref true for "end".
7694
7695 2009-11-06  Doug Kwan  <dougkwan@google.com>
7696
7697         * arm.cc (class Reloc_stub): Correct a comment.
7698         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7699         (Target_arm::scan_section_for_stubs): New method declaration.
7700         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7701         Change methods from private to protected.
7702         (Target_arm::do_may_relax): New method definition.
7703         (Target_arm::do_relax, Target_arm::group_sections,
7704         Target_arm::scan_reloc_for_stub,
7705         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7706         (Target_arm::arm_input_section_map_): New data member declaration.
7707         (Target_arm::scan_reloc_for_stub,
7708         Target_arm::scan_reloc_section_for_stubs,
7709         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7710         Target_arm::do_relax): New method definitions.
7711
7712 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7713
7714         * configure.ac: Check for (struct stat)::st_mtim
7715         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7716         * config.in: Regenerate.
7717         * configure: Regenerate.
7718
7719 2009-11-05  Ian Lance Taylor  <iant@google.com>
7720
7721         PR 10910
7722         * output.cc (Output_segment::add_output_section): Add missing
7723         return statement.
7724
7725 2009-11-04  Ian Lance Taylor  <iant@google.com>
7726
7727         PR 10880
7728         * object.h (class Object): Add is_needed and set_is_needed
7729         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7730         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7731         defined in a dynamic object and referenced by a regular object,
7732         set is_needed for the dynamic object.
7733         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7734         if the file is marked with as_needed and it is not needed.
7735
7736 2009-11-04  Ian Lance Taylor  <iant@google.com>
7737
7738         PR 10887
7739         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7740         tags if data is discarded by linker script.
7741         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7742         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7743         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7744         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7745
7746 2009-11-04  Ian Lance Taylor  <iant@google.com>
7747
7748         * layout.cc (Layout::get_output_section): Add is_interp and
7749         is_dynamic_linker_section parameters.  Change all callers.
7750         (Layout::choose_output_section): Likewise.
7751         (Layout::make_output_section): Likewise.
7752         (Layout::add_output_section_data): Add is_dynamic_linker_section
7753         parameter.  Change all callers.
7754         * layout.h (class Layout): Update declarations.
7755         * output.h (class Output_section): Add is_interp, set_is_interp,
7756         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7757         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7758         generate_code_fills_at_write_ to a bitfield.
7759         * output.cc (Output_section::Output_sections): Initialize new
7760         fields.
7761         (Output_segment::add_output_section): Add do_sort parameter.
7762         Change all callers.
7763
7764 2009-11-03  Ian Lance Taylor  <iant@google.com>
7765
7766         PR 10860
7767         * options.h (class General_options): Add --warn-common.
7768         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7769         merging two common symbols.
7770         (Symbol_table::should_override): Handle --warn-common when merging
7771         a common symbol with a defined symbol.  Use report_resolve_problem
7772         for multiple definitions.
7773         (Symbol_table::report_resolve_problem): New function.
7774         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7775
7776 2009-11-03  Doug Kwan  <dougkwan@google.com>
7777
7778         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7779         stub_factory_.
7780         (Target_arm::stub_factory): New method definition.
7781         (Target_arm::new_arm_input_section,
7782         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7783         Target_arm::reloc_uses_thumb_bit): New method declarations.
7784         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7785         New type definitions.
7786         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7787         member declarations.
7788         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7789         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7790         New method definitions.
7791
7792 2009-11-03  Ian Lance Taylor  <iant@google.com>
7793
7794         * options.h (class General_options): Add --warn_constructors.
7795
7796 2009-11-03  Ian Lance Taylor  <iant@google.com>
7797
7798         PR 10893
7799         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7800         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7801
7802 2009-11-03  Ian Lance Taylor  <iant@google.com>
7803
7804         PR 10895
7805         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7806         --msgid-bugs-address.
7807         (install-pdf): New target.
7808         (install-data_yes): Look up one directory to find mkinstalldirs.
7809
7810 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7811
7812         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7813         tree.
7814
7815 2009-10-30  Doug Kwan  <dougkwan@google.com>
7816
7817         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7818
7819 2009-10-30  Doug Kwan  <dougkwan@google.com>
7820
7821         * arm.cc (Stub_addend_reader): New struct template definition
7822         and partial specializations.
7823         (Stub_addend_reader::operator()): New method definition for a
7824         partially specialized template.
7825
7826 2009-10-30  Doug Kwan  <dougkwan@google.com>
7827
7828         * arm.cc (Arm_relobj::processor_specific_flags): New method
7829         definition.
7830         (Arm_relobj::do_read_symbols): New method declaration.
7831         (Arm_relobj::processor_specific_flags_): New data member declaration.
7832         (Arm_dynobj): New class definition.
7833         (Target_arm::do_finalize_sections): Add input_objects parameter.
7834         (Target_arm::do_adjust_elf_header): New method declaration.
7835         (Target_arm::are_eabi_versions_compatible,
7836         (Target_arm::merge_processor_specific_flags): New method declaration.
7837         (Target_arm::do_make_elf_object): New overloaded method definitions
7838         and declaration.
7839         (Arm_relobj::do_read_symbols): New method definition.
7840         (Arm_dynobj::do_read_symbols): Ditto.
7841         (Target_arm::do_finalize_sections): Add input_objects parameters.
7842         Merge processor-specific flags from all input objects.
7843         (Target_arm::are_eabi_versions_compatible,
7844         Target_arm::merge_processor_specific_flags,
7845         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7846         New method definitions.
7847         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7848         Input_objects pointer type parameter.
7849         * layout.cc (Layout::finalize): Pass input objects to target's.
7850         finalize_sections function.
7851         * output.cc (Output_file_header::do_sized_write): Set ELF file
7852         header's processor-specific flags.
7853         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7854         Input_objects pointer type parameter.
7855         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7856         * target.h (Input_objects): New forward class declaration.
7857         (Target::processor_specific_flags,
7858         Target::are_processor_specific_flags_sect): New method definitions.
7859         (Target::finalize_sections): Add input_objects parameter.
7860         (Target::Target): Initialize processor_specific_flags_ and
7861         are_processor_specific_flags_set_.
7862         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7863         parameter.
7864         (Target::set_processor_specific_flags): New method definition.
7865         (Target::processor_specific_flags_,
7866         Target::are_processor_specific_flags_set_): New data member
7867         declarations.
7868         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7869         Input_objects pointer type parameter.
7870
7871 2009-10-30  Doug Kwan  <dougkwan@google.com>
7872
7873         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7874
7875 2009-10-28  Ian Lance Taylor  <iant@google.com>
7876
7877         * object.h (class Relobj): Drop options parameter from
7878         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7879         do_scan_relocs, do_relocate.  Change all callers.
7880         (class Sized_relobj): Drop options parameters from
7881         do_gc_process_relocs, do_scan_relocs, do_relocate,
7882         do_relocate_sections, relocate_sections, emit_relocs_scan,
7883         emit_relocs_scan_reltype.  Change all callers.
7884         (struct Relocate_info): Remove options field and all references to
7885         it.
7886         * reloc.h (class Read_relocs): Remove options constructor
7887         parameter and options_ field.  Change all callers.
7888         (class Gc_process_relocs, class Scan_relocs): Likewise.
7889         (class Relocate_task): Likewise.
7890         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7891         all callers.
7892         (scan_relocatable_relocs): Likewise.
7893         * target.h (class Sized_target): Remove options parameter from
7894         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7895         all callers.
7896         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7897         callers.
7898         * arm.cc: Update functions to remove options parameters.
7899         * i386.cc: Likewise.
7900         * powerpc.cc: Likewise.
7901         * sparc.cc: Likewise.
7902         * x86_64.cc: Likewise.
7903         * testsuite/testfile.cc: Likewise.
7904
7905 2009-10-28  Doug Kwan  <dougkwan@google.com>
7906
7907         * arm.cc (Arm_relobj): New class definition.
7908         (Arm_relobj::scan_sections_for_stubs,
7909         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7910         New method definitions.
7911
7912 2009-10-28  Cary Coutant  <ccoutant@google.com>
7913
7914         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7915         (Plugin::cleanup_done_): New member.
7916         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7917         (Plugin_manager::cleanup_done_): Remove.
7918         (Plugin_manager::add_input_file): Edit error message.
7919         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7920         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7921
7922 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7923
7924         * fileread.cc: (File_read::View::~View): Use the new
7925         data_ownership_ filed.
7926         (File_read::~File_read): Dispose the new whole_file_view_.
7927         (File_read::open): Mmap the whole file if needed.
7928         (File_read::open): Use whole_file_view_ instead of contents_.
7929         (File_read::find_view): Use whole_file_view_ if applicable.
7930         (File_read::do_read): Use whole_file_view_ instead of contents_.
7931         (File_read::make_view): Use whole_file_view_ instead of contents_,
7932         update File_read::View::View call.
7933         (File_read::find_or_make_view): Update File_read::View::View
7934         call.
7935         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7936         remove contents_
7937         (File_read::View::Data_ownership): New enum.
7938         (File_read::View::View): Replace bool mapped_ with Data_ownership
7939         argument.
7940         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7941         (File_read::View::data_ownership_): New field.
7942         (File_read::contents_): Remove (replaced by whole_file_view_).
7943         (File_read::whole_file_view_): New field.
7944         * options.h (class General_options): Add --keep-files-mapped.
7945
7946 2009-10-27  Cary Coutant  <ccoutant@google.com>
7947
7948         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7949         * testsuite/Makefile.am (plugin_test_5): New test case.
7950         * testsuite/Makefile.in: Regenerate.
7951
7952 2009-10-25  Doug Kwan  <dougkwan@google.com>
7953
7954         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7955         from private to protected to allow access by child class.
7956         (Sized_relobj::do_relocate_sections): New method declaration.
7957         (Sized_relobj::relocate_sections): Virtualize.
7958         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7959         Sized_relobj::relocate_sections.  Instantiate template explicitly
7960         for different target sizes and endianity.
7961
7962 2009-10-24  Doug Kwan  <dougkwan@google.com>
7963
7964         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7965         (Arm_input_section::as_arm_input_section): New method.
7966         (Arm_output_section): New class definition.
7967         (Arm_output_section::create_stub_group,
7968         Arm_output_section::group_sections): New method definitions.
7969
7970 2009-10-22  Doug Kwan  <dougkwan@google.com>
7971
7972         * arm.cc (Arm_input_section): New class definition.
7973         (Arm_input_section::init, Arm_input_section:do_write,
7974         Arm_input_section::set_final_data_size,
7975         Arm_input_section::do_reset_address_and_file_offset): New method
7976         definitions.
7977
7978 2009-10-21  Doug Kwan  <dougkwan@google.com>
7979
7980         * arm.cc (Stub_table, Arm_input_section): New forward class
7981         declarations.
7982         (Stub_table): New class defintion.
7983         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7984         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7985         New method definition.
7986
7987 2009-10-21  Doug Kwan  <dougkwan@google.com>
7988
7989         * arm.cc: Update copyright comments.
7990         (Target_arm): New forward class template declaration.
7991         (Arm_address): New type.
7992         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7993         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7994         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7995         constants.
7996         (Insn_template): Same.
7997         (DEF_STUBS): New macro.
7998         (Stub_type): New enum type.
7999         (Stub_template): New class definition.
8000         (Stub): Same.
8001         (Reloc_stub): Same.
8002         (Stub_factory): Same.
8003         (Target_arm::Target_arm): Initialize may_use_blx_ and
8004         should_force_pic_veneer_.
8005         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8006         Target_arm::should_force_pic_veneer,
8007         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8008         Target_arm::using_thumb_only, Target_arm:;default_target): New
8009         method defintions.
8010         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8011         New data member declarations.
8012         (Insn_template::size, Insn_template::alignment): New method defintions.
8013         (Stub_template::Stub_template): New method definition.
8014         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8015         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8016         (Stub_factory::Stub_factory): New method definition.
8017         * gold.h (string_hash): New template.
8018         * output.h (Input_section_specifier::hash_value): Use
8019         gold::string_hash.
8020         (Input_section_specifier::string_hash): Remove.
8021         * stringpool.cc (Stringpool_template::string_hash): Use
8022         gold::string_hash.
8023
8024 2009-10-20  Doug Kwan  <dougkwan@google.com>
8025
8026         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8027         symbols of relaxed input sections.
8028         * output.h (Output_section::find_relaxed_input_section): Make
8029         method public.
8030
8031 2009-10-16  Doug Kwan  <dougkwan@google.com>
8032
8033         * dynobj.cc (Versions::Versions): Initialize version_script_.
8034         Only insert base version symbol definition for a shared object
8035         if version script defines any version versions.
8036         (Versions::define_base_version): New method definition.
8037         (Versions::add_def): Check that base version is not needed.
8038         (Versions::add_need): Define base version lazily.
8039         * dynobj.h (Versions::define_base_version): New method declaration.
8040         (Versions::needs_base_version_): New data member declaration.
8041         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8042         (check_DATA): Add no_version_test.stdout.
8043         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8044         New make rules.
8045         * testsuite/Makefile.in: Regenerate.
8046         * testsuite/no_version_test.c: New file.
8047         * testsuite/no_version_test.sh: Ditto.
8048
8049 2009-10-16  Doug Kwan  <dougkwan@google.com>
8050
8051         * expression.cc (class Segment_start_expression): New class definition.
8052         (Segment_start_expression::value): New method definition.
8053         (script_exp_function_segment_start): Return a new
8054         Segment_start_expression.
8055         * gold/script-c.h (script_saw_segment_start_expression): New function
8056         prototype.
8057         * script-sections.cc (Script_sections::Script_sections): Initialize
8058         SAW_SEGMENT_START_EXPRESSION_ to false.
8059         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8060         and -Tbbs options to specify section addresses if given in
8061         command line and no SEGMENT_START expression is seen in a script.
8062         * script-sections.h (Script_sections::saw_segment_start_expression,
8063         Script_sections::set_saw_segment_start_expression): New method
8064         definition.
8065         (Script_sections::saw_segment_start_expression_): New data member
8066         declaration.
8067         * script.cc (script_saw_segment_start_expression): New function.
8068         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8069         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8070         script_test_7.sh and script_test_8.sh.
8071         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8072         script_test_8.stdout.
8073         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8074         (script_test_6, script_test_6.stdout, script_test_7,
8075         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8076         * Makefile.in: Regenerate.
8077         * testsuite/script_test_6.sh: New file.
8078         * testsuite/script_test_6.t: Same.
8079         * testsuite/script_test_7.sh: Same.
8080         * testsuite/script_test_7.t: Same.
8081         * testsuite/script_test_8.sh: Same.
8082
8083 2009-10-16  Doug Kwan  <dougkwan@google.com>
8084
8085         * output.cc (Output_segment::set_section_list_address): Cast
8086         expressions to unsigned long long type to avoid format warnings.
8087
8088 2009-10-15  Ian Lance Taylor  <iant@google.com>
8089
8090         * script.cc (Script_options::add_symbol_assignment): Always add a
8091         dot assignment to script_sections_.
8092         * script-sections.cc (Script_sections::add_dot_assignment):
8093         Initialize if necessary.
8094
8095         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8096         program headers with no load segment if there is a linker script.
8097
8098         * layout.cc (Layout::set_segment_offsets): Align the file offset
8099         to the segment aligment for -N or -n with no load segment.
8100         * output.cc (Output_segment::add_output_section): Don't crash if
8101         the first section is a TLS section.
8102         (Output_segment::set_section_list_addresses): Print an error
8103         message if the address moves backward in a linker script.
8104         * script-sections.cc
8105         (Output_section_element_input::set_section_addresses): Don't
8106         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8107         (Orphan_output_section::set_section_addresses): Likewise.
8108
8109 2009-10-15  Doug Kwan  <dougkwan@google.com>
8110
8111         * layout.cc (Layout::finish_dynamic_section): Generate tags
8112         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8113         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8114         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8115
8116 2009-10-14  Ian Lance Taylor  <iant@google.com>
8117
8118         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8119         fields.
8120         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8121         data_shdr fields of relinfo.
8122         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8123         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8124         R_386_TLS_LDO_32, adjust based on section flags.
8125         (Target_i386::Relocate::fix_up_ldo): Remove.
8126
8127 2009-10-13  Ian Lance Taylor  <iant@google.com>
8128
8129         Add support for -pie.
8130         * options.h (class General_options): Add -pie and
8131         --pic-executable.
8132         (General_options::output_is_position_independent): Test -pie.
8133         (General_options::output_is_executable): Return true if not shared
8134         and not relocatable.
8135         (General_options::output_is_pie): Remove.
8136         * options.cc (General_options::finalize): Reject incompatible uses
8137         of -pie.
8138         * gold.cc (queue_middle_tasks): A -pie link is not static.
8139         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8140         * symtab.cc (Symbol::final_value_is_known): Return false if
8141         output_is_position_independent.
8142         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8143         output_is_position_independent.
8144         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8145         output_is_position_independent.
8146         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8147         output_is_position_independent.
8148         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8149         two_file_pie_test.
8150         (basic_pie_test.o, basic_pie_test): New targets.
8151         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8152         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8153         (two_file_pie_test): New target.
8154         * testsuite/Makefile.in: Rebuild.
8155         * README: Remove note saying that -pie is not supported.
8156
8157 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8158
8159         * options.h (class General_options): Add -init and -fini.
8160         * layout.cc (Layout::finish_dynamic_section): Emit
8161         given init and fini functions.
8162
8163 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8164
8165         * gc.h (gc_process_relocs): Check if icf is enabled using new
8166         function.
8167         * gold.cc (queue_initial_tasks): Likewise.
8168         (queue_middle_tasks): Likewise.
8169         * object.cc (do_layout): Likewise.
8170         * symtab.cc (is_section_folded): Likewise.
8171         * main.cc (main): Likewise.
8172         * reloc.cc (Read_relocs::run): Likewise.
8173         (Sized_relobj::do_scan_relocs): Likewise.
8174         * icf.cc (is_function_ctor_or_dtor): New function.
8175         (Icf::find_identical_sections): Check if function is ctor or dtor when
8176         safe icf is chosen.
8177         * options.h (General_options::icf): Change option to be an enum.
8178         (Icf_status): New enum.
8179         (icf_enabled): New method.
8180         (icf_safe_folding): New method.
8181         (set_icf_status): New method.
8182         (icf_status_): New variable.
8183         * (options.cc) (General_options::finalize): Set icf_status_.
8184         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8185         icf_test and icf_keep_unique_test to use the --icf enum flag.
8186         * testsuite/icf_safe_test.sh: New file.
8187         * testsuite/icf_safe_test.cc: New file.
8188
8189 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8190
8191         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8192         includes to gc.h and icf.h.
8193         * arm.cc: Include gc.h.
8194         * gold.cc: Likewise.
8195         * i386.cc: Likewise.
8196         * powerpc.cc: Likewise.
8197         * sparc.cc: Likewise.
8198         * x86_64.cc: Likewise.
8199         * gc.h: Include icf.h.
8200
8201 2009-10-11  Ian Lance Taylor  <iant@google.com>
8202
8203         * plugin.cc: Include "gold.h" before other header files.
8204
8205 2009-10-10  Chris Demetriou  <cgd@google.com>
8206
8207         * options.h (Input_file_argument::Input_file_type): New enum.
8208         (Input_file_argument::is_lib_): Replace with...
8209         (Input_file_argument::type_): New member.
8210         (Input_file_argument::Input_file_argument): Take Input_file_type
8211         'type' rather than boolean 'is_lib' as second argument.
8212         (Input_file_argument::is_lib): Use type_.
8213         (Input_file_argument::is_searched_file): New function.
8214         (Input_file_argument::may_need_search): Handle is_searched_file.
8215         * options.cc (General_options::parse_library): Support -l:filename.
8216         (General_options::parse_just_symbols): Update for Input_file_argument
8217         changes.
8218         (Command_line::process): Likewise.
8219         * archive.cc (Archive::get_file_and_offset): Likewise.
8220         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8221         * script.cc (read_script_file, script_add_file): Likewise.
8222         * fileread.cc (Input_file::Input_file): Likewise.
8223         (Input_file::will_search_for): Handle is_searched_file.
8224         (Input_file::open): Likewise.
8225         * readsyms.cc (Read_symbols::get_name): Likewise.
8226         * testsuite/Makefile.am (searched_file_test): New test.
8227         * testsuite/Makefile.in: Regenerate.
8228         * testsuite/searched_file_test.cc: New file.
8229         * testsuite/searched_file_test_lib.cc: New file.
8230
8231 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8232             Ian Lance Taylor  <iant@google.com>
8233
8234         * descriptor.cc: Include <cstdio> and "binary-io.h".
8235         (Descriptors::open): Open the files in binary mode always.
8236         * script.cc (Lex::get_token): Treat \r as whitespace.
8237
8238 2009-10-09  Ian Lance Taylor  <iant@google.com>
8239
8240         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8241
8242 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8243             Ian Lance Taylor  <iant@google.com>
8244
8245         * configure.ac: Check for readv function also.
8246         * fileread.cc (readv): Define if not HAVE_READV.
8247         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8248         does not exist.
8249         * config.in: Regenerate.
8250         * configure: Regenerate.
8251
8252 2009-10-09  Doug Kwan  <dougkwan@google.com>
8253
8254         * layout.cc (Layout::make_output_section): Call target hook to make
8255         ordinary output section.
8256         (Layout::finalize): Adjust parameter list of call the
8257         Target::may_relax().
8258         * layout.h (class Layout::section_list): New method.
8259         * merge.h (Output_merge_base::entsize): Change visibility to public.
8260         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8261         New methods.
8262         (Output_merge_string::do_is_string): New method.
8263         * object.cc (Sized_relobj::do_setup): renamed from
8264         Sized_relobj::set_up.
8265         * object.h (Sized_relobj::adjust_shndx,
8266         Sized_relobj::initializ_input_to_output_maps,
8267         Sized_relobj::free_input_to_output_maps): Change visibilities to
8268         protected.
8269         (Sized_relobj::setup): Virtualize.
8270         (Sized_relobj::do_setup): New method declaration.
8271         (Sized_relobj::invalidate_section_offset,
8272         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8273         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8274         * options.cc (parse_int): New function.
8275         * options.h (parse_int): New declaration.
8276         (DEFINE_int): New macro.
8277         (stub_group_size): New option.
8278         * output.cc (Output_section::Output_section): Initialize memebers
8279         merge_section_map_, merge_section_by_properties_map_,
8280         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8281         (Output_section::add_input_section): Handled deferred code-fill
8282         generation and remove an old comment.
8283         (Output_section::add_relaxed_input_section): New method definition.
8284         (Output_section::add_merge_input_section): Use merge section by
8285         properties map to speed to search.  Update merge section maps
8286         as appropriate.
8287         (Output_section::build_relaxation_map): New method definition.
8288         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8289         Same.
8290         (Output_section::relax_input_section): Renamed to
8291         Output_section::convert_input_sections_to_relaxed_sections and change
8292         interface to take a vector of pointers to relaxed sections.
8293         (Output_section::find_merge_section,
8294         Output_section::find_relaxed_input_section): New method definitions.
8295         (Output_section::is_input_address_mapped,
8296         Output_section::output_offset, Output_section::output_address):
8297         Use output section data maps to speed up searching.
8298         (Output_section::find_starting_output_address): Add comments.
8299         (Output_section::do_write,
8300         Output_section::write_to_postprocessing_buffer): Do code-fill
8301         generation as appropriate.
8302         (Output_section::get_input_sections): Invalidate relaxed input section
8303         map.
8304         (Output_section::restore_states): Adjust type of checkpoint .
8305         Invalidate relaxed input section map.
8306         * output.h (Output_merge_base): New class declaration.
8307         (Input_section_specifier): New class defintion.
8308         (class Output_relaxed_input_section) Change base class to
8309         Output_section_data_build.
8310         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8311         base class initializer.
8312         (Output_section::add_relaxed_input_section): New method declaration.
8313         (Output_section::Input_section): Change visibility to protected.
8314         (Output_section::Input_section::relobj,
8315         Output_section::Input_section::shndx): Handle relaxed input sections.
8316         Output_section::input_sections) Change visibility to protected.  Also
8317         define overload to return a non-const pointer.
8318         (Output_section::Merge_section_properties): New class defintion.
8319         (Output_section::Merge_section_by_properties_map,
8320         Output_section::Output_section_data_by_input_section_map,
8321         Output_section::Relaxation_map): New types.
8322         (Output_section::relax_input_section): Rename method to
8323         Output_section::convert_input_sections_to_relaxed_sections and change
8324         interface to take a vector of relaxed section pointers.
8325         (Output_section::find_merge_section,
8326         Output_section::find_relaxed_input_section,
8327         Output_section::build_relaxation_map,
8328         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8329         New method declarations.
8330         (Output_section::merge_section_map_
8331         Output_section::merge_section_by_properties_map_,
8332         Output_section::relaxed_input_section_map_,
8333         Output_section::is_relaxed_input_section_map_valid_,
8334         Output_section::generate_code_fills_at_write_): New data members.
8335         * script-sections.cc
8336         (Output_section_element_input::set_section_addresses): Call
8337         current_data_size and addralign methods of relaxed input sections.
8338         (Orphan_output_section::set_section_addresses): Call current_data_size
8339         and addralign methods of relaxed input sections.
8340         * symtab.cc (Symbol_table::compute_final_value): Extract template
8341         from the body of Symbol_table::sized_finalize_symbol.
8342         (Symbol_table::sized_finalized_symbol): Call
8343         Symbol_table::compute_final_value.
8344         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8345         (Symbol_table::compute_final_value): New templated method declaration.
8346         * target.cc (Target::do_make_output_section): New method defintion.
8347         * target.h (Target::make_output_section): New method declaration.
8348         (Target::relax): Add more parameters for input objects, symbol table
8349         and layout.  Adjust call to do_relax.
8350         (Target::do_make_output_section): New method declaration.
8351         (Target::do_relax): Add parameters for input objects, symbol table
8352         and layout.
8353
8354 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8355
8356         * pread.c: Include stdio.h.
8357
8358 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8359
8360         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8361         defined.
8362
8363 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8364
8365         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8366         Change read_shndx type to unsigned int.
8367         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8368         int.
8369         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8370         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8371         Change read_shndx type to unsigned int.
8372         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8373         int.
8374         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8375         * layout.cc (Layout::create_symtab_sections): Cast the result of
8376         local_symcount * symsize to off_t in the gold_assert.
8377
8378 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8379
8380         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8381         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8382         R_ARM_BASE_ABS.
8383         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8384         (Arm_relocate_functions::thm_abs5): New function.
8385         (Arm_relocate_functions::abs12): New function.
8386         (Arm_relocate_functions::abs16): New function.
8387         (Arm_relocate_functions::base_abs): New function.
8388         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8389         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8390         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8391         R_ARM_BASE_ABS.
8392         (Scan::global): Likewise.
8393         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8394         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8395         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8396         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8397         R_ARM_BASE_ABS.
8398
8399 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8400
8401         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8402         (Arm_relocate_functions::movt_prel): New function.
8403         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8404         (Arm_relocate_functions::thm_movt_prel): New function.
8405         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8406         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8407         (Scan::global, Relocate::relocate): Likewise.
8408         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8409
8410 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8411
8412         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8413         Incremental_checker.
8414         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8415         unsigned int.
8416         (class Incremental_inputs_header): New class.
8417         (Incremental_inputs_header_writer): Edit comment.
8418         (Incremental_inputs_entry): New class.
8419         (Incremental_inputs_entry_writer): Edit comment.
8420         (Sized_incremental_binary::do_find_incremental_inputs_section):
8421         Add *strtab_shndx parameter, fill it.
8422         (Sized_incremental_binary::do_check_inputs): New method.
8423         (Incremental_checker::can_incrementally_link_output_file): Use
8424         Sized_incremental_binary::check_inputs.
8425         (Incremental_inputs::report_command_line): Save command line in
8426         command_line_.
8427         * incremental.h:
8428         (Incremental_binary::find_incremental_inputs_section): New
8429         method.
8430         (Incremental_binary::do_find_incremental_inputs_section): Add
8431         strtab_shndx parameter.
8432         (Incremental_binary::do_check_inputs): New pure virtual method.
8433         (Sized_incremental_binary::do_check_inputs): Declare.
8434         (Incremental_checker::Incremental_checker): Add incremental_inputs
8435         parameter, use it to initialize incremental_inputs_.
8436         (Incremental_checker::incremental_inputs_): New field.
8437         (Incremental_checker::command_line): New method.
8438         (Incremental_checker::inputs): New method.
8439         (Incremental_checker::command_line_): New field.
8440
8441 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8442
8443         * incremental.cc: Include <cstdarg> and "target-select.h".
8444         (vexplain_no_incremental): New function.
8445         (explain_no_incremental): New function.
8446         (Incremental_binary::error): New method.
8447         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8448         method.
8449         (make_sized_incremental_binary): New function.
8450         (open_incremental_binary): New function.
8451         (can_incrementally_link_file): Add checks if output is ELF and has
8452         inputs section.
8453         * incremental.h: Include "elfcpp_file.h" and "output.h".
8454         (Incremental_binary): New class.
8455         (Sized_incremental_binary): New class.
8456         (open_incremental_binary): Declare.
8457         * object.cc (is_elf_object): Use
8458         elfcpp::Elf_recognizer::is_elf_file.
8459         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8460         * output.h (Output_file::filesize): New method.
8461
8462 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8463
8464         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8465         New function.
8466         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8467         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8468         function.
8469         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8470         function.
8471         (Arm_relocate_functions::movw_abs_nc): New function.
8472         (Arm_relocate_functions::movt_abs): New function.
8473         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8474         (Arm_relocate_functions::thm_movt_abs): New function.
8475         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8476         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8477         (Scan::global): Likewise.
8478         (Relocate::relocate): Likewise.
8479         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8480
8481 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8482
8483         * arm.cc (Arm_relocate_functions::got_prel) New function.
8484         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8485         (Relocate::relocate): Likewise.
8486         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8487
8488 2009-10-06  Ian Lance Taylor  <iant@google.com>
8489
8490         * options.h (class General_options): Define
8491         split_stack_adjust_size parameter.
8492         * object.h (class Object): Add uses_split_stack_ and
8493         has_no_split_stack_ fields.  Add uses_split_stack and
8494         has_no_split_stack accessor functions.  Declare
8495         handle_split_stack_section.
8496         (class Reloc_symbol_changes): Define.
8497         (class Sized_relobj): Define Function_offsets.  Declare
8498         split_stack_adjust, split_stack_adjust_reltype, and
8499         find_functions.
8500         * object.cc (Object::handle_split_stack_section): New function.
8501         (Sized_relobj::do_layout): Call handle_split_stack_section.
8502         * dynobj.cc (Sized_dynobj::do_layout): Call
8503         handle_split_stack_section.
8504         * reloc.cc (Sized_relobj::relocate_sections): Call
8505         split_stack_adjust for executable sections in split_stack
8506         objects.  Pass reloc_map to relocate_section.
8507         (Sized_relobj::split_stack_adjust): New function.
8508         (Sized_relobj::split_stack_adjust_reltype): New function.
8509         (Sized_relobj::find_functions): New function.
8510         * target-reloc.h: Include "object.h".
8511         (relocate_section): Add reloc_symbol_changes parameter.  Change
8512         all callers.
8513         * target.h (class Target): Add calls_non_split method.  Declare
8514         do_calls_non_split virtual method.  Declare match_view and
8515         set_view_to_nop.
8516         * target.cc: Include "elfcpp.h".
8517         (Target::do_calls_non_split): New function.
8518         (Target::match_view): New function.
8519         (Target::set_view_to_nop): New function.
8520         * gold.cc (queue_middle_tasks): Give an error if mixing
8521         split-stack and non-split-stack objects with -r.
8522         * i386.cc (Target_i386::relocate_section): Add
8523         reloc_symbol_changes parameter.
8524         (Target_i386::do_calls_non_split): New function.
8525         * x86_64.cc (Target_x86_64::relocate_section): Add
8526         reloc_symbol_changes parameter.
8527         (Target_x86_64::do_calls_non_split): New function.
8528         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8529         parameter.
8530         * powerpc.cc (Target_powerpc::relocate_section): Add
8531         reloc_symbol_changes parameter.
8532         * sparc.cc (Target_sparc::relocate_section): Add
8533         reloc_symbol_changes parameter.
8534         * configure.ac: Call AM_CONDITIONAL for the default target.
8535         * configure: Rebuild.
8536         * testsuite/Makefile.am (TEST_AS): New variable.
8537         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8538         (check_DATA): Add split_i386 and split_x86_64 files.
8539         (SPLIT_DEFSYMS): Define.
8540         (split_i386_[1234n].o): New targets.
8541         (split_i386_[124]): New targets.
8542         (split_i386_[1234r].stdout): New targets.
8543         (split_x86_64_[1234n].o): New targets.
8544         (split_x86_64_[124]): New targets.
8545         (split_x86_64_[1234r].stdout): New targets.
8546         (MOSTLYCLEANFILES): Add new executables.
8547         * testsuite/split_i386.sh: New file.
8548         * testsuite/split_x86_64.sh: New file.
8549         * testsuite/split_i386_1.s: New file.
8550         * testsuite/split_i386_2.s: New file.
8551         * testsuite/split_i386_3.s: New file.
8552         * testsuite/split_i386_4.s: New file.
8553         * testsuite/split_i386_n.s: New file.
8554         * testsuite/split_x86_64_1.s: New file.
8555         * testsuite/split_x86_64_2.s: New file.
8556         * testsuite/split_x86_64_3.s: New file.
8557         * testsuite/split_x86_64_4.s: New file.
8558         * testsuite/split_x86_64_n.s: New file.
8559         * testsuite/testfile.cc (Target_test): Update relocation_section
8560         function.
8561         * testsuite/Makefile.in: Rebuild.
8562
8563 2009-10-06  Ian Lance Taylor  <iant@google.com>
8564
8565         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8566         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8567         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8568         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8569         the address on ldo_addrs_.
8570         (Target_i386::Relocate::fix_up_ldo): New function.
8571
8572 2009-10-06   Rafael Espindola  <espindola@google.com>
8573
8574         * plugin.cc (add_input_library): New.
8575         (Plugin::load): Add add_input_library to tv.
8576         (Plugin_manager::add_input_file): Add the is_lib argument.
8577         (add_input_file): Update call to Plugin_manager::add_input_file.
8578         (add_input_library): New.
8579         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8580
8581 2009-09-30  Doug Kwan  <dougkwan@google.com>
8582
8583         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8584         symbol and call Symbol::may_need_copy_reloc to determine if
8585         a copy reloc is needed.
8586         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8587         nocopyreloc is given in command line.
8588         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8589         given in command line.
8590         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8591         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8592         of the removed Target_i386::may_need_copy_reloc.
8593         * options.h (copyreloc): New option with default value false.
8594         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8595         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8596         instead of the removed Target_powerpc::may_need_copy_reloc.
8597         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8598         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8599         instead of the removed Target_sparc::may_need_copy_reloc.
8600         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8601         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8602         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8603         instead of the removed Target_x86_64::may_need_copy_reloc.
8604
8605 2009-09-30  Ian Lance Taylor  <iant@google.com>
8606
8607         * object.h (class Object): Remove target_ field, and target,
8608         sized_target, and set_target methods.
8609         (Object::sized_target): Remove.
8610         (class Sized_relobj): Update declarations.  Remove sized_target.
8611         * object.cc (Sized_relobj::setup): Remove target parameter.
8612         Change all callers.
8613         (Input_objects::add_object): Don't do anything with the target.
8614         (make_elf_sized_object): Add punconfigured parameter.  Change all
8615         callers.  Set or test parameter target.
8616         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8617         Change all callers.
8618         * parameters.cc (Parameters::set_target): Change parameter type to
8619         be non-const.
8620         (Parameters::default_target): Remove.
8621         (set_parameters_target): Change parameter type to be non-const.
8622         (parameters_force_valid_target): New function.
8623         (parameters_clear_target): New function.
8624         * parameters.h (class Parameters): Update declarations.  Remove
8625         default_target method.  Add sized_target and clear_target
8626         methods.  Change target_ to be non-const.
8627         (set_parameters_target): Update declaration.
8628         (parameters_force_valid_target): Declare.
8629         (parameters_clear_target): Declare.
8630         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8631         as NULL if we aren't searching.
8632         (Add_symbols::run): Don't check for compatible target.
8633         * fileread.cc (Input_file::open_binary): Call
8634         parameters_force_valid_target.
8635         * gold.cc (queue_middle_tasks): Likewise.
8636         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8637         set_target on object.
8638         * dynobj.h (class Sized_dynobj): Update declarations.
8639         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8640         make_elf_object returns NULL.
8641         (Archive::include_member): Don't check whether object target is
8642         compatible.
8643         * output.cc (Output_section::add_input_section): Get target from
8644         parameters.
8645         (Output_section::relax_input_section): Likewise.
8646         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8647         parameters.
8648         (Sized_relobj::do_scan_relocs): Likewise.
8649         (Sized_relobj::relocate_sections): Likewise.
8650         * resolve.cc (Symbol_table::resolve): Likewise.
8651         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8652         parameter.  Change all callers.
8653         (Symbol_table::add_from_object): Get target from parameters.
8654         (Symbol_table::add_from_relobj): Don't check object target.
8655         (Symbol_table::add_from_dynobj): Likewise.
8656         (Symbol_table::define_special_symbol): Get target from
8657         parameters.
8658         * symtab.h (class Symbol_table): Update declaration.
8659         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8660         parameter.  Change all callers.  Clear parameter target.
8661         (Binary_test): Test target here.
8662         * testsuite/object_unittest.cc (gold_testsuite): Remove
8663         target_test_pointer parameter.  Change all callers.
8664         (Object_test): Test target here.
8665
8666 2009-09-26  Ian Lance Taylor  <iant@google.com>
8667
8668         * testsuite/initpri1.c: Don't try to use constructor priorities if
8669         compiling with gcc before 4.3.
8670
8671 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8672
8673         * testsuite/retain_symbols_file_test.sh (check_present): Change
8674         output file name to retain_symbols_file_test.stdout.
8675         (check_absent): Likewise.
8676
8677 2009-09-18  Craig Silverstein  <csilvers@google.com>
8678
8679         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8680         * options.cc: Include <cerrno> and <fstream>.
8681         (General_options::finalize): Parse -retain-symbols-file tag.
8682         * options.h: New flag.
8683         (General_options): New method should_retain_symbol, new
8684         variable symbols_to_retain.
8685         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8686         should_retain_symbol map.
8687         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8688         * testsuite/Makefile.in: Regenerate.
8689         * testsuite/retain_symbols_file_test.sh: New file.
8690
8691 2009-09-18  Nick Clifton  <nickc@redhat.com>
8692
8693         * po/es.po: Updated Spanish translation.
8694
8695 2009-09-17  Doug Kwan  <dougkwan@google.com>
8696
8697         * debug.h (DEBUG_RELAXATION): New constant.
8698         (DEBUG_ALL): Add DEBUG_RELAXATION.
8699         (debug_string_to_enum): Add relaxation debug option.
8700         * layout.cc
8701         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8702         Layout::Relaxation_debug_check::read_sections,
8703         Layout::Relaxation_debug_check::read_sections): New method definitions.
8704         (Layout::Layout): Initialize data members
8705         record_output_section_data_from_scrips_,
8706         script_output_section_data_list_ and relaxation_debug_check_.
8707         (Layout::save_segments, Layout::restore_segments,
8708         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8709         Layout::relaxation_loop_body): New method definitions.
8710         (Layout::finalize): Support relaxation.  Move section layout code to
8711         Layout::relaxation_loop_body.
8712         (Layout::set_asection_address_from_script): Move code for orphan
8713         section placement out.
8714         (Layout::place_orphan_sections_in_script): New method definition.
8715         * layout.h (Output_segment_headers, Output_file_header):
8716         New forward class declarations.
8717         (Layout::~Layout): Define.
8718         (Layout::new_output_section_data_from_script): New method definition.
8719         (Layout::place_orphan_sections_in_script): New method declaration.
8720         (Layout::Segment_states): New type declaration.
8721         (Layout::save_segments, Layout::restore_segments,
8722         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8723         Layout::relaxation_loop_body): New method declarations.
8724         (Layout::Output_section_data_list): New type declaration.
8725         (Layout::Relaxation_debug_check): New class definition.
8726         (Layout::record_output_section_data_from_script_,
8727         Layout::script_output_section_data_list_, Layout::segment_states_,
8728         Layout::relaxation_debug_check_): New data members.
8729         * output.cc: (Output_section_headers::do_size): New method definition.
8730         (Output_section_headers::Output_section_headers): Move size
8731         computation to Output_section_headers::do_size.
8732         (Output_segment_headers::do_size): New method definition.
8733         (Output_file_header::Output_file_header): Move size computation to
8734         Output_file_header::do_size and call it.
8735         (Output_file_header::do_size): New method definition.
8736         (Output_data_group::Output_data_group): Adjust call to
8737         Output_section_data.
8738         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8739         (Output_symtab_xindex::do_write): Add array bound check.
8740         (Output_section::Input_section::print_to_mapfile): Handle
8741         RELAXED_INPUT_SECTION_CODE.
8742         (Output_section::Output_section): Initialize data member checkpoint_.
8743         (Output_section::~Output_section): Delete checkpoint object pointed
8744         by checkpoint_.
8745         (Output_section::add_input_section): Always add an Input_section if
8746         relaxing.
8747         (Output_section::add_merge_input_section): Add assert.
8748         (Output_section::relax_input_section): New method definition.
8749         (Output_section::set_final_data_size): Set load address to zero for
8750         an unallocated section.
8751         (Output_section::do_address_and_file_offset_have_reset_values):
8752         New method definition.
8753         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8754         Handle relaxed input section.
8755         (Output_section::sort_attached_input_sections): Checkpoint input
8756         section list lazily.
8757         (Output_section::get_input_sections): Change type of input_sections to
8758         list of Simple_input_section pointers.  Checkpoint input section list
8759         lazily.  Also handle relaxed input sections.
8760         (Output_section::add_input_section_for_script): Take a reference to
8761         a Simple_input_section object instead of Relobj pointer and section
8762         index as parameter.  Handle relaxed input sections.
8763         (Output_section::save_states, Output_section::restore_states): New
8764         method definitions.
8765         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8766         (Output_data::is_data_size_fixed): New method definition.
8767         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8768         if it is fixed.
8769         (Output_data::address_and_file_offset_have_reset_values): New method
8770         definition.
8771         (Output_data::do_address_and_file_offset_have_reset_values): New method
8772         definition.
8773         (Output_data::set_data_size): Check that data size is not fixed.
8774         (Output_data::fix_data_size): New method definition.
8775         (Output_data::is_data_size_fixed_): New data member.
8776         (Output_section_headers::set_final_data_size): New method definition.
8777         (Output_section_headers::do_size): New method declaration.
8778         (Output_segment_headers::set_final_data_size): New method definition.
8779         (Output_segment_headers::do_size): New method declaration.
8780         (Output_file_header::set_final_data_size)::New method definition.
8781         (Output_file_header::do_size)::New method declaration.
8782         (Output_section_data::Output_section_data): Add new parameter
8783         is_data_size_fixed and use it to fix data size.
8784         (Output_data_const::Output_data_const): Adjust call to base class
8785         constructor and fix data size.
8786         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8787         base class constructor and fix data size.
8788         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8789         base class constructor and fix data size.
8790         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8791         class constructor and fix data size.
8792         (Output_data_group::set_final_data_size): New method definition.
8793         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8794         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8795         class constructor and fix data size.
8796         (Output_relaxed_input_section): New class definition.
8797         (Output_section::Simple_input_section): New class definition.
8798         (Output_section::get_input_sections): Adjust parameter list.
8799         (Output_section::add_input_section_for_script): Same.
8800         (Output_section::save_states, Output_section::restore_states,
8801         Output_section::do_address_and_file_offset_have_reset_values,
8802         (Output_section::Input_section::Input_section): Handle
8803         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8804         Output_relaxed_input_section.
8805         (Output_section::Input_section::is_input_section,
8806         Output_section::Input_section::set_output_section): Handle relaxed
8807         input section.
8808         (Output_section::Input_section::is_relaxed_input_section,
8809         Output_section::Input_section::output_section_data,
8810         Output_section::Input_section::relaxed_input_section): New method
8811         definitions.
8812         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8813         value.
8814         (Output_section::Input_section::u1_): Update comments.
8815         (Output_section::Input_section::u2_): Add new union member poris.
8816         (Output_section::Checkpoint_output_section): New classs definition.
8817         (Output_section::relax_input_section): New method declaration.
8818         (Output_section::checkpoint_): New data member.
8819         (Output_segment): Update comments.
8820         (Output_segment::Output_segment): Un-privatize copy constructor.
8821         (Output_segment::operator=): Un-privatize.
8822         * script-sections.cc (Output_section_element::Input_section_list):
8823         Change element type to Output_section::Simple_input_section.
8824         (Output_section_element_dot_assignment::set_section_addresses):
8825         Register output section data for relaxation clean up.
8826         (Output_data_exression::Output_data_expression): Adjust call to base
8827         constructor to fix data size.
8828         (Output_section_element_data::set_section_addresses): Register
8829         Output_data_expression object for relaxation clean up.
8830         (struct Input_section_info): Replace Relobj pointer and section index
8831         pair with Output_section::Simple_input_section and Convert struct to a
8832         class.
8833         (Input_section_sorter::operator()): Adjust access to
8834         Input_section_info data member to use accessors.
8835         (Output_section_element_input::set_section_addresses): Use layout
8836         parameter.  Adjust code to use Output_section::Simple_input_section
8837         and Input_secction_info classes.  Register filler for relaxation
8838         clean up.
8839         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8840         and section index pair with Output_section::Simple_input_section
8841         class.  Adjust code accordingly.
8842         (Phdrs_element::release_segment): New method definition.
8843         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8844         segment list.
8845         (Script_sections::release_segments): New method definition.
8846         * gold/script-sections.h (Script_sections::release_segments): New
8847         method declaration.
8848         * gold/target.h (Target::may_relax, Target::relax,
8849         Target::do_may_relax, Target::do_relax): New method definitions.
8850
8851 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8852
8853         * arm.cc (has_signed_unsigned_overflow): New function.
8854         (Arm_relocate_functions::abs8): New function.
8855         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8856         (Target_arm::Scan::global): Likewise.
8857         (Target_arm::relocate::relocate): Likewise.
8858         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8859         Likewise.
8860
8861 2009-09-16  Cary Coutant  <ccoutant@google.com>
8862
8863         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8864         * testsuite/Makefile.in: Regenerate.
8865
8866 2009-09-11  Nick Clifton  <nickc@redhat.com>
8867
8868         * po/gold.pot: Updated by the Translation project.
8869
8870 2009-09-08  Cary Coutant  <ccoutant@google.com>
8871
8872         * output.cc (Output_file::open): Add execute permission to empty file.
8873         * testsuite/Makefile.am (permission_test): New test.
8874         * testsuite/Makefile.in: Regenerate.
8875
8876 2009-09-02  Ian Lance Taylor  <iant@google.com>
8877
8878         * output.cc (Output_file::resize): Call map_no_anonymous rather
8879         than map.
8880
8881 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8882
8883         * gold.cc: Include "incremental.h".
8884         (queue_initial_tasks): Call Incremental_checker methods.
8885         * incremental.cc: Include "output.h".
8886         (Incremental_checker::can_incrementally_link_output_file): New
8887         method.
8888         * incremental.h (Incremental_checker): New class.
8889
8890         * output.cc (Output_file::open_for_modification): New method.
8891         (Output_file::map_anonymous): Changed return type to bool.  Record
8892         map in base_ field.
8893         (Output_file::map_no_anonymous): New method, broken out of map.
8894         (Output_file::map): Use map_no_anonymous and map_anonymous.
8895         * output.h (class Output_file): Update declarations.
8896
8897 2009-08-24  Cary Coutant  <ccoutant@google.com>
8898
8899         * options.h (Command_line::Pre_options): New class.
8900         (Command_line::pre_options): New member.
8901         * options.cc (gold::options::ready_to_register): New variable.
8902         (One_option::register_option): Do nothing if not registering options.
8903         Assert if same short option registered twice.
8904         (General_options::General_options): Turn off option registration when
8905         done constructing.
8906         (Command_line::Pre_options::Pre_options): New constructor.
8907
8908 2009-08-24  Cary Coutant  <ccoutant@google.com>
8909
8910         * options.h (General_options::no_keep_memory): Remove incorrect
8911         short option.
8912
8913 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8914
8915         * Makefile.am (am__skiplex, am__skipyacc): New.
8916         * Makefile.in: Regenerate.
8917
8918 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8919
8920         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8921         (INCLUDES): ... this.
8922         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8923         (AM_CPPFLAGS): Renamed from ...
8924         (INCLUDE): ... this.
8925         * Makefile.in, testsuite/Makefile.in: Regenerate.
8926
8927         * Makefile.in: Regenerate.
8928         * aclocal.m4: Likewise.
8929         * config.in: Likewise.
8930         * configure: Likewise.
8931         * testsuite/Makefile.in: Likewise.
8932
8933         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8934         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8935         * Makefile.in: Regenerate.
8936         * testsuite/Makefile.in: Regenerate.
8937
8938 2009-08-19  Cary Coutant  <ccoutant@google.com>
8939
8940         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8941         symbols in shared libraries overridden by hidden or internal symbols
8942         in the main program.
8943
8944 2009-08-19  Chris Demetriou  <cgd@google.com>
8945
8946         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8947         checking source file names in error messages.
8948
8949 2009-08-18  Doug Kwan  <dougkwan@google.com>
8950
8951         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8952         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8953         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8954         an elfcpp::Ehdr as parameter.
8955         * object.cc (Object::set_target): Remove the version that looks up
8956         a target and sets it.
8957         (Sized_relobj::setup): Take a Target object instead of
8958         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8959         (make_elf_sized_object): Find target and ask target to
8960         make an ELF object.
8961         * object.h: (Object::set_target): Remove the version that looks up
8962         a target and sets it.
8963         (Sized_relobj::setup): Take a Target object instead of
8964         an elfcpp:Ehdr as parameter.
8965         * target.cc: Include dynobj.h.
8966         (Target::do_make_elf_object_implementation): New.
8967         (Target::do_make_elf_object): New.
8968         * target.h (Target::make_elf_object): New template declaration.
8969         (Target::do_make_elf_object): New method declarations.
8970         (Target::do_make_elf_object_implementation): New template declaration.
8971
8972 2009-08-14  Ian Lance Taylor  <iant@google.com>
8973
8974         * gold.h (FUNCTION_NAME): Define.
8975         (gold_unreachable): Use FUNCTION_NAME.
8976
8977 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8978
8979         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8980         symbol in the --keep-unique list is not found.
8981
8982 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8983
8984         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8985         been maked as --keep-unique.
8986         (Icf::unfold_section): New function.
8987         * icf.h (Icf::unfold_section): New function.
8988         * options.h (General_options::keep_unique): New option.
8989         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8990         * testsuite/Makefile.in: Regenerate.
8991         * testsuite/icf_keep_unique_test.sh: New file.
8992         * testsuite/icf_keep_unique_test.cc: New file.
8993
8994 2009-08-12  Cary Coutant  <ccoutant@google.com>
8995
8996         PR 10471
8997         * resolve.cc (Symbol_table::resolve): Check for references from
8998         dynamic objects to hidden and internal symbols.
8999         * testsuite/Makefile.am (hidden_test.sh): New test.
9000         * testsuite/Makefile.in: Regenerate.
9001         * testsuite/hidden_test.sh: New script.
9002         * testsuite/hidden_test_1.c: New test source.
9003         * testsuite/hidden_test_main.c: New test source.
9004
9005 2009-08-11  Doug Kwan  <dougkwan@google.com>
9006
9007         * arm.cc: Update comments.
9008         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9009         segment to locate the .ARM.exidx section if present.
9010
9011 2009-08-09  Doug Kwan  <dougkwan@google.com>
9012
9013         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9014         patch.
9015
9016 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9017         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9018         compiler warnings.
9019
9020 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9021
9022         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9023         valid tls_segment only for non-debug-section relocations.
9024         * testsuite/Makefile.am: Add gc_tls_test.
9025         * testsuite/Makefile.in: Regenerate.
9026         * testsuite/gc_tls_test.cc: New file.
9027         * testsuite/gc_tls_test.sh: New file.
9028
9029 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9030
9031         * icf.cc: New file.
9032         * icf.h: New file.
9033         * Makefile.am (CCFILES): Add icf.cc.
9034         (HFILES): Add icf.h
9035         * Makefile.in: Regenerate.
9036         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9037         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9038         section, symbol and addend information for the relocs.
9039         * gold.cc (queue_middle_tasks): Call identical code folding.
9040         * gold.h: Add defines for multimap.
9041         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9042         to the call of finalize_local_symbols.
9043         * main.cc (main): Create object of class Icf.
9044         * object.cc (Sized_relobj::do_layout): Allow this function to be
9045         called twice during icf.
9046         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9047         to sections marked as identical by icf.
9048         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9049         when available.
9050         (Sized_relobj::do_section_entsize): New function.
9051         * object.h (Object::section_entsize): New function.
9052         (Object::do_section_entsize): New pure virtual function.
9053         (Relobj::finalize_local_symbols): Add new parameter.
9054         (Relobj::do_section_entsize): New function.
9055         * options.h (General_options::icf): New option.
9056         (General_options::icf_iterations): New option.
9057         (General_options::print_icf_sections): New option.
9058         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9059         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9060         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9061         icf.
9062         * symtab.cc (Symbol_table::is_section_folded): New function.
9063         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9064         to sections marked as identical by icf.
9065         * symtab.h (Symbol_table::set_icf): New function.
9066         (Symbol_table::icf): New function.
9067         (Symbol_table::is_section_folded): New function.
9068         (Symbol_table::icf_): New data member.
9069         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9070         * testsuite/Makefile.am: Add commands to build icf_test.
9071         * testsuite/Makefile.in: Regenerate.
9072         * testsuite/icf_test.sh: New file.
9073         * testsuite/icf_test.cc: New file.
9074
9075 2009-07-24  Chris Demetriou  <cgd@google.com>
9076
9077         * layout.cc (is_compressible_debug_section): Fix incorrect
9078         comment about compressed section names.
9079
9080 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9081
9082         PR 10419
9083         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9084
9085 2009-07-16  Ian Lance Taylor  <iant@google.com>
9086
9087         PR 10400
9088         * layout.h: #include <map>.
9089         (class Kept_section): Change from struct to class.  Add accessors
9090         and setters.  Add section size to Comdat_group mapping.  Change
9091         Comdat_group to std::map.  Add is_comdat_ field.  Add
9092         linkonce_size field in union.
9093         (class Layout): Update declaration of find_or_add_kept_section.
9094         Don't declare find_kept_object.
9095         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9096         parameter.  Add object, shndx, is_comdat, and is_group_name
9097         parameters.  Change all callers.  Adjust for new Kept_section.
9098         (Layout::find_kept_object): Remove.
9099         * object.cc (Sized_relobj::include_section_group): Update use of
9100         Kept_section.  Rename secnum to shndx.  Only record
9101         Kept_comdat_section if sections are the same size.
9102         (Sized_relobj::include_linkonce_section): Update use of
9103         Kept_section.  Only record Kept_comdat_section if sections are the
9104         same size.  Set size of linkonce section.
9105         (Sized_relobj::map_to_kept_section): Update call to
9106         get_kept_comdat_section.
9107         * object.h (class Sized_relobj): Rename fields in
9108         Kept_comdat_section to drop trailing underscores; change object
9109         field to Relobj*.  Change Kept_comdat_section_table to store
9110         struct rather than pointer.
9111         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9112         Add kept_object and kept_shndx parameters.  Change all callers.
9113         (Sized_relobj::get_kept_comdat_section): Change return type to
9114         bool.  Add kept_object and kept_shndx parameters.  Change all
9115         callers.
9116         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9117         Layout::find_or_add_kept_section.
9118
9119 2009-07-09  Ian Lance Taylor  <iant@google.com>
9120
9121         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9122         Reserve space in the hash table.
9123
9124 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9125
9126         * fileread.cc (File_read::get_mtime): New method.
9127         * fileread.h (Timespec): New structure.
9128         (File_read::get_mtime): New method.
9129         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9130         Renamed from timestamp_nsec.
9131         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9132         Elf_Xword.
9133         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9134         timestamp_nsec.
9135         (Incremental_inputs::report_archive): Save mtime; style fix.
9136         (Incremental_inputs::report_obejct): Save mtime; style fix.
9137         (Incremental_inputs::report_script): Save mtime; style fix.
9138         (Incremental_inputs::finalize_inputs): Style fix.
9139         (Incremental_inputs::finalize): Style fix.
9140         (Incremental_inputs::create_input_section_data): Store inputs
9141         mtime.
9142         * incremental.h (Incremental_inputs::report_script): Add mtime
9143         argument.
9144         (Incremental_inputs::Input_info::Input_info): Intialize only one
9145         union member.
9146         (Incremental_inputs::Input_info::archive): Move to nameless
9147         union.
9148         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9149         (Incremental_inputs::Input_info::script): Move to nameless union.
9150         (Incremental_inputs::mtime): New field.
9151         * script.cc (read_input_script): Pass file mtime to
9152         Incremental_input.
9153         * script.h (Script_info::inputs): Style fix.
9154
9155 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9156
9157         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9158         instead of 32.
9159
9160 2009-06-24  Ian Lance Taylor  <iant@google.com>
9161
9162         PR 10156
9163         * layout.cc (Layout::choose_output_section): If we find an
9164         existing section, update the flags.
9165         (Layout::create_notes): New function, broken out of
9166         Layout::finalize.
9167         (Layout::finalize): Don't create note sections.
9168         (Layout::create_note): Don't crash if linker script discards
9169         section.
9170         (Layout::create_gold_note): Likewise.
9171         (Layout::create_build_id): Likewise.  Don't set
9172         after_input_sections on the section.
9173         (Layout::create_executable_stack_info): Remove target parameter.
9174         Change caller.
9175         * layout.h (class Layout): Declare create_notes.  Update
9176         declaration of create_executable_stack_info.
9177         * gold.cc (queue_middle_tasks): Call create_notes.
9178         * output.cc (Output_section::update_flags_for_input_section): Move
9179         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9180         invalid.
9181         * output.h (Output_data::mark_address_invalid): New function.
9182         (class Output_section): Only declare, not define,
9183         update_flags_for_input_section.  Remove set_flags.
9184
9185 2009-06-24  Ian Lance Taylor  <iant@google.com>
9186
9187         * script-sections.cc (Output_section_definition::
9188         set_section_addresses): Rename shadowing local load_address to
9189         laddr.
9190
9191 2009-06-24  Ian Lance Taylor  <iant@google.com>
9192
9193         PR 10244
9194         * reloc.cc (relocate_sections): Skip empty relocation sections.
9195
9196 2009-06-23  Ian Lance Taylor  <iant@google.com>
9197
9198         PR 10156
9199         * layout.cc (Layout::create_note): Use choose_output_section
9200         rather than make_output_section.
9201
9202 2009-06-23  Ian Lance Taylor  <iant@google.com>
9203
9204         PR 10237
9205         * options.cc (General_options::parse_V): Set printed_version_.
9206         (General_options::General_options): Initialize printed_version_.
9207         * options.h (class General_options): Add printed_version_ field.
9208         * gold.cc (queue_initial_tasks): If there are no input files,
9209         don't give a fatal error if we printed the version information.
9210         (queue_middle_tasks): If using -r with a shared object, give a
9211         fatal error rather than an ordinary error.
9212
9213 2009-06-23  Ian Lance Taylor  <iant@google.com>
9214
9215         PR 10219
9216         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9217         (Layout::make_output_section): Set have_stabstr_section_ if we see
9218         a .stab*str section.
9219         (Layout::finalize): Call link_stabs_sections.
9220         (Layout::link_stabs_sections): New file.
9221         * layout.h (class Layout): Add have_stabstr_section_ field.
9222         Declare link_stabs_sections.
9223
9224 2009-06-23  Doug Kwan  <dougkwan@google.com>
9225
9226         * Makefile.am (libgold_a_LIBADD): New.
9227         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9228         * Makefile.in: Regenerate.
9229         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9230         * configure: Regenerate.
9231         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9232         * fileread.cc: Include sys/state.h
9233         * gold.h: Declare memmem and strndup if found missing.
9234         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9235
9236 2009-06-23  Ian Lance Taylor  <iant@google.com>
9237
9238         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9239         * configure: Rebuild.
9240
9241 2009-06-23  Ian Lance Taylor  <iant@google.com>
9242
9243         PR 10147
9244         * object.cc (Object::section_contents): Don't try to get a view if
9245         the section has length zero.
9246         (Object::handle_gnu_warning_section): If the section is empty, use
9247         the name of the section as the warning.
9248
9249 2009-06-23  Ian Lance Taylor  <iant@google.com>
9250
9251         PR 10133
9252         * stringpool.h (class Stringpool_template): Add optimize_ field.
9253         (Stringpool_template::set_optimize): New function.
9254         * stringpool.cc (Stringpool_template::Stringpool_template):
9255         Initialize optimize_ field.
9256         (Stringpool_template::set_string_offsets): Test local optimize
9257         fild rather than parameter.
9258         * layout.cc (Layout::Layout): Call set_optimize on the section
9259         name stringpool.
9260
9261 2009-06-22  Ian Lance Taylor  <iant@google.com>
9262
9263         PR 10030
9264         * yyscript.y: Parse TARGET.
9265         * script.cc (script_set_target): New function.
9266         * script-c.h (script_set_target): Declare.
9267         * options.cc (General_options::string_to_object_format): Rename
9268         from string_to_object_format in anonymous namespace.  Change
9269         callers.
9270         * options.h (class General_options): Declare
9271         string_to_object_format.
9272
9273 2009-06-22  Ian Lance Taylor  <iant@google.com>
9274
9275         * script-sections.cc (Script_sections::create_segments): Don't put
9276         program headers in a PT_LOAD segment if -n or -N.
9277
9278 2009-06-22  Ian Lance Taylor  <iant@google.com>
9279
9280         PR 10141
9281         * options.h (class General_options): Add -z lazy and -z now.  Sort
9282         -z options into alphabetical order.
9283         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9284
9285 2009-06-21  Ian Lance Taylor  <iant@google.com>
9286
9287         * layout.cc (Layout::make_output_section): Call
9288         Target::new_output_section.
9289         (Layout::attach_allocated_section_to_segment): Put large section
9290         sections in a separate load segment with the large segment flag
9291         set.
9292         (Layout::segment_precedes): Sort large data segments after other
9293         load segments.
9294         (align_file_offset): New static function.
9295         (Layout::set_segment_offsets): Use align_file_offset.
9296         * output.h (class Output_section): Add is_small_section_ and
9297         is_large_section_ fields.
9298         (Output_section::is_small_section): New function.
9299         (Output_section::set_is_small_section):  New function.
9300         (Output_section::is_large_section): New function.
9301         (Output_section::set_is_large_section): New function.
9302         (Output_section::is_large_data_section): New function.
9303         (class Output_segment): Add is_large_data_segment_ field.
9304         (Output_segment::is_large_data_segment): New function.
9305         (Output_segment::set_is_large_data_segment): New function.
9306         * output.cc (Output_section::Output_section): Initialize new
9307         fields.
9308         (Output_segment::Output_segment): Likewise.
9309         (Output_segment::add_output_section): Add assertion that large
9310         data sections always go in large data segments.  Force small data
9311         sections to the end of the list of data sections.  Force small BSS
9312         sections to the start of the list of BSS sections.  For large BSS
9313         sections to the end of the list of BSS sections.
9314         * symtab.h (class Symbol): Declare is_common_shndx.
9315         (Symbol::is_defined): Check Symbol::is_common_shndx.
9316         (Symbol::is_common): Likewise.
9317         (class Symbol_table): Define enum Commons_section_type.  Update
9318         declarations.  Add small_commons_ and large_commons_ fields.
9319         * symtab.cc (Symbol::is_common_shndx): New function.
9320         (Symbol_table::Symbol_table): Initialize new fields.
9321         (Symbol_table::add_from_object): Put small and large common
9322         symbols in the right list.
9323         (Symbol_table::sized_finalized_symbol): Check
9324         Symbol::is_common_shndx.
9325         (Symbol_table::sized_write_globals): Likewise.
9326         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9327         common symbol lists.  Don't call do_allocate_commons_list if the
9328         list is empty.
9329         (Symbol_table::do_allocate_commons_list): Remove is_tls
9330         parameter.  Add comons_section_type parameter.  Change all
9331         callers.  Handle small and large common symbols.
9332         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9333         Symbol::is_common_shndx.
9334         * resolve.cc (symbol_to_bits): Likewise.
9335         * target.h (Target::small_common_shndx): New function.
9336         (Target::small_common_section_flags): New function.
9337         (Target::large_common_shndx): New function.
9338         (Target::large_common_section_flags): New function.
9339         (Target::new_output_section): New function.
9340         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9341         small_common_section_flags, and large_common_section_flags
9342         fields.
9343         (Target::do_new_output_section): New virtual function.
9344         * arm.cc (Target_arm::arm_info): Initialize new fields.
9345         * i386.cc (Target_i386::i386_info): Likewise.
9346         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9347         Likewise.
9348         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9349         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9350         (Target_x86_64::do_new_output_section): New function.
9351         * configure.ac: Define conditional MCMODEL_MEDIUM.
9352         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9353         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9354         (large_LDFLAGS): Define.
9355         * testsuite/large.c: New file.
9356         * testsuite/testfile.cc (Target_test::test_target_info):
9357         Initialize new fields.
9358         * configure, testsuite/Makefile.in: Rebuild.
9359
9360 2009-06-05  Doug Kwan  <dougkwan@google.com>
9361
9362         * Makefile.am (CCFILES): Add target.cc.
9363         * Makefile.in: Regenerate.
9364         * i386.cc (class Target_i386): Define new virtual method to
9365         override do_is_local_label_name in parent.
9366         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9367         local symbols if --discard-locals or -X is given.
9368         * options.h (class General_options): Declare new options
9369         '--discard-locals' and '-X' for discarding locals.
9370         * target.h (class Target): Define new methods is_local_label_name.
9371         Declare new virtual method do_is_local_label_name.
9372         * target.cc: New file.
9373         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9374         (check_SCRIPTS): Add discard_locals_test.sh.
9375         (check_DATA): Add discard_local_tests.syms.
9376         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9377         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9378         * testsuite/Makefile.in: Regenerate.
9379         * testsuite/discard_locals_test.c: New file.
9380         * testsuite/discard_locals_test.sh: Same.
9381
9382 2009-06-05  Doug Kwan  <dougkwan@google.com>
9383
9384         * object.cc (Sized_relobj::Sized_relobj): Initialize
9385         discarded_eh_frame_shndx_ to -1U.
9386         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9387         section.
9388         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9389         a discarded .eh_frame section.
9390         (Sized_relobj::do_finalize_local_symbols): Ditto.
9391         * object.h (class Sized_relobj): Declare new member
9392         discarded_eh_frame_shndx_.
9393         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9394         (local_labels_test.o, local_labels_test): New rules.
9395         * testsuite/Makefile.in: Regenerate.
9396
9397 2009-06-04  Doug Kwan  <dougkwan@google.com>
9398
9399         * layout.cc (Layout::section_name_mapping): Add mapping for
9400         special ARM sections.
9401
9402 2009-06-03  Doug Kwan  <dougkwan@google.com>
9403
9404         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9405         (utils::has_overflow): Same.
9406
9407 2009-06-03  Ian Lance Taylor  <iant@google.com>
9408
9409         * layout.cc (Layout::section_name_mapping): New array, replacing
9410         Layout::linkonce_mapping.
9411         (Layout::section_name_mapping_count): New variable, replacing
9412         Layout::linkonce_mapping_count.
9413         (Layout::linkonce_output_name): Remove.
9414         (Layout::output_section_name): Rewrite.
9415         * layout.h (class Layout): Rename Linkonce_mapping to
9416         Section_name_mapping, linkonce_mapping to section_name_mapping,
9417         linkonce_mapping_count to section_name_mapping_count.  Don't
9418         declare linkonce_output_name.
9419
9420 2009-06-03  Doug Kwan  <dougkwan@google.com>
9421
9422         * gold/arm.cc (namespace utils): New.
9423         (Target_arm::reloc_is_non_pic): Define new method.
9424         (class Arm_relocate_functions): New.
9425         (Target_arm::Relocate::relocate): Handle relocation types used by
9426         Android.
9427
9428 2009-06-03  Ian Lance Taylor  <iant@google.com>
9429
9430         * arm.cc (Target_arm::scan::global): Use || instead of |.
9431
9432 2009-06-02  Doug Kwan  <dougkwan@google.com>
9433
9434         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9435         issued_non_pic_error_.
9436         (class Target_arm::Scan): Declare new method check_non_pic.
9437         Define new method symbol_needs_plt_entry.
9438         Declare new data member issued_non_pic_error_.
9439         (class Target_arm::Relocate): Declare new method
9440         should_apply_static_reloc.
9441         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9442         (Target_arm::Scan::check_non_pic): Define new method.
9443         (Target_arm::Scan::local): Handle a small subset of reloc types used
9444         by Android.
9445         (Target_arm::Scan::local): Same.
9446         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9447
9448 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9449
9450         * incremental.cc (Incremental_inputs::report_command_line): Filter
9451         out --incremental-* options.
9452
9453 2009-05-29  Doug Kwan  <dougkwan@google.com>
9454
9455         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9456         template class.
9457         (class Target_arm): Update comment.
9458         (Target_arm::Target_arm): Initialize new data members GOT_,
9459         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9460         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9461         and Target_arm::rel_dyn_section.
9462         Declare new_enum Target_arm::Got_type.
9463         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9464         and DYNBSS_.
9465         Update commments for member do_dynsym_value.
9466         (Target_arm::got_size, Target_arm::plt_section,
9467         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9468         new methods inside class defintion.
9469         (Target_arm::got_section): Define new method.
9470         (Target_arm::rel_dyn_section): Same.
9471         (Output_data_plt_arm): New template class.
9472         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9473         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9474         (Output_data_plt_arm::add_entry): Same.
9475         (Output_data_plt_arm::first_plt_entry): Define new
9476         static data member for PLT instruction template.
9477         (Output_data_plt_arm::plt_entry): Same.
9478         (Output_data_plt_arm::do_write): Define new method.
9479         (Target_arm::make_plt_entry): Same.
9480         (Target_arm::do_finalize_sections): Same.
9481         (Target_arm::do_dynsym_value): Same.
9482
9483 2009-05-28  Doug Kwan  <dougkwan@google.com>
9484
9485         * Makefile.am (TARGETSOURCES): Add arm.cc.
9486         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9487         * Makefile.in: Regenerate.
9488         * arm.cc: New file.
9489         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9490
9491 2009-05-26  Doug Kwan  <dougkwan@google.com>
9492
9493         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9494         (General_options::check_excluded_libs): Strip off directories in
9495         archive name before matching like GNU ld does.
9496         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9497         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9498         (exclude_libs_test_LDFLAGS): Add linker option
9499         -Wl,--exclude-libs,libexclude_libs_test_3
9500         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9501         an explicit archive without using -l.
9502         (alt/libexclude_libs_test_3.a): New make rule.
9503         * testsuite/Makefile.in: Regenerate.
9504         * testsuite/exclude_libs_test.c : Declare lib3_default().
9505         (main): Call it.
9506         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9507         * exclude_libs_test_3.c: New file.
9508
9509 2009-05-26  Nick Clifton  <nickc@redhat.com>
9510
9511         * po/id.po: New Indonesian translation.
9512         * po/gold.pot: Updated template file.
9513
9514 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9515
9516         * testsuite/Makefile.am: Add -ffunction-sections to compile
9517         gc_comdat_test files.  Add -Wl,--gc-sections to build
9518         gc_comdat_test.
9519         * testsuite/Makefile.in: Regenerate.
9520         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9521
9522 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9523
9524         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9525         kept comdat section was garbage collected.
9526         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9527         * testsuite/Makefile.in: Regenerate.
9528         * testsuite/gc_comdat_test.sh: New file.
9529         * testsuite/gc_comdat_test_1.cc: New file.
9530         * testsuite/gc_comdat_test_2.cc: New file.
9531
9532 2009-05-19  Doug Kwan  <dougkwan@google.com>
9533
9534         * archive.cc (Archive::Archive): Move constructor from archive.h
9535         to here.  Initialize no_export_.
9536         (Archive::get_elf_object_for_member): Set no_export flag of object.
9537         * archive.h (Archive::Archive): Move constructor body to
9538         archive.cc.
9539         (Archive::no_export): New method.
9540         (Archive::no_export_): New field.
9541         * object.h (Object::Object): Initialize no_export_ to false.
9542         (Object::no_export, Object::set_no_export): New methods.
9543         (Object::no_export_): New field.
9544         * options.cc (General_options::parse_exclude_libs): New method.
9545         (General_options::check_excluded_libs) Same.
9546         * options.h (exclude_libs): New option.
9547         (General_options::check_excluded_libs): New method declaration.
9548         (General_options::excluded_libs_): New field.
9549         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9550         default or protected visibility if an object has no-export flag set.
9551         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9552         (check_SCRIPTS): Add exclude_libs_test.sh.
9553         (check_DATA): Add exclude_libs_test.syms.
9554         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9555         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9556         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9557         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9558         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9559         libexclude_libs_test_2.a): New rules.
9560         * testsuite/Makefile.in: Regenerate.
9561         * testsuite/exclude_libs_test.c: New file.
9562         * testsuite/exclude_libs_test.sh: Ditto.
9563         * testsuite/exclude_libs_test_1.c: Ditto.
9564         * testsuite/exclude_libs_test_2.c: Ditto.
9565
9566 2009-05-15  Ian Lance Taylor  <iant@google.com>
9567
9568         * configure.ac: Check for declarations for cases where libiberty.h
9569         checks HAVE_DECL_xxx.
9570         * configure, config.in: Rebuild.
9571
9572 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9573
9574         * gold.h (Incremental_argument_list): Remove (invalid) forward
9575         declaration.
9576         * incremental.cc (Incremental_inputs::report_achive): New method.
9577         (Incremental_inputs::report_object): New method.
9578         (Incremental_inputs::report_script): New method.
9579         (Incremental_inputs::finalize_inputs): New method.
9580         (Incremental_inputs::finalize): Call finalize_inputs().
9581         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9582         Create inputs entries.
9583         * incremental.h (Incremental_input_type): New enum.
9584         (Incremental_inputs::Incremental_input): Initialize new fields.
9585         (Incremental_inputs::report_inputs): New method.
9586         (Incremental_inputs::report_achive): New method.
9587         (Incremental_inputs::report_object): New method.
9588         (Incremental_inputs::report_script): New method.
9589         (Incremental_inputs::finalize_inputs): New method.
9590         (Incremental_inputs::Input_info): New struct.
9591         (Incremental_inputs::Input_info_map): New typedef.
9592         (Incremental_inputs::lock_): New field.
9593         (Incremental_inputs::Inputs_): New field.
9594         (Incremental_inputs::Inputs_map): New field.
9595         * main.cc (main): Call Incremental_input::report_inputs.
9596         * options.h (Input_argument_list): Typedef moved from
9597         Input_arguments.
9598         (Input_file_group::Files): Remove, use ::Input_argument_list.
9599         (Input_file_group::Input_argument_list): Remove, use
9600         ::Input_argument_list.
9601         * plugin.cc (Plugin_manager::add_input_file): Add error in
9602         incremental build.
9603         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9604         functions.
9605         * script.cc (read_input_script): Call
9606         Incremental_input::report_script.
9607         * script.h (Script_info): New class.
9608
9609 2009-04-27  Ian Lance Taylor  <iant@google.com>
9610
9611         * x86_64.cc (do_adjust_output_section): Set entsize to
9612         plt_entry_size.
9613
9614 2009-04-23  Elliott Hughes  <enh@google.com>
9615
9616         * output.cc (Output_file::close): After short writes, continue
9617         writing from the correct offset in the buffer being written.
9618
9619 2009-04-23  Chris Demetriou  <cgd@google.com>
9620
9621         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9622         * configure: Regenerate.
9623         * config.in: Regenerate.
9624         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9625         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9626
9627 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9628
9629         * incremental.cc (Incremental_inputs_header_data): Renamed from
9630         Incremental_input_header_data.
9631         (Incremental_inputs_header_data::data_size): New field.
9632         (Incremental_inputs_header_data::put_input_file_count): Renamed
9633         from input_file_count.
9634         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9635         from command_line_offset.
9636         (Incremental_inputs_header_data::put_reserved): Renamed from
9637         put_reserved.
9638         (Incremental_inputs_entry_data): Renamed from
9639         Incremental_input_entry_data.
9640         (Incremental_inputs_entry_data::data_size): New field.
9641         (Incremental_inputs::report_command_line): New method.
9642         (Incremental_inputs::finalize): New method.
9643         (Incremental_inputs::create_incremental_inputs_data): New method.
9644         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9645         * incremental.h: New file.
9646         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9647        (Layout::finalize): Create incremental inputs section in
9648         incremental builds.
9649        (Layout::create_incremental_info_sections): New method.
9650         * layout.h (Layout::incremental_inputs): New method.
9651        (Layout::create_incremental_info_sections): New method.
9652        (Layout::incremental_inputs_): New field.
9653         * main.cc (main): Notify Incremental_input of the command line.
9654
9655 2009-04-01  Ian Lance Taylor  <iant@google.com>
9656             Mikolaj Zalewski  <mikolajz@google.com>
9657
9658         * gold.h (reserve_unordered_map): Define, three versions, one for
9659         each version of Unordered_map.
9660         * layout.cc (Layout::Layout): Remove options parameter.  Add
9661         number_of_input_files parameter.  Don't initialize options_.
9662         Initialize number_of_input_files_ and resized_signatures_.  Move
9663         sections_are_attached_.
9664         (Layout::layout_group): Reserve space for group_signatures_.
9665         (Layout::find_or_add_kept_section): Change name parameter to be a
9666         reference.  Resize signatures_ map when it gets large enough.
9667         (Layout::layout_eh_frame): Use parameters->options() instead of
9668         this->options_.
9669         (Layout::make_output_section): Likewise.
9670         (Layout::attach_allocated_section_to_segment): Likewise.
9671         (Layout::finalize, Layout::create_executable_stack): Likewise.
9672         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9673         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9674         * layout.h (class Layout): Update declarations.  Remove options_
9675         field.  Add number_of_input_files_ and resized_signatures_
9676         fields.  Move sections_are_attached_ field.
9677         * main.cc (main): Pass number of input files to Layout
9678         constructor.  Don't pass options.
9679
9680 2009-03-30  Ian Lance Taylor  <iant@google.com>
9681
9682         * ffsll.c (ffsll): Correct implementation.
9683
9684 2009-03-27  Ian Lance Taylor  <iant@google.com>
9685
9686         * ffsll.c: New file.
9687         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9688         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9689         * ftruncate.c (ftruncate): Declare before definition.
9690         * mremap.c (mremap): Likewise.
9691         * pread.c (pread): Likewise.
9692         * configure, Makefile.in, config.in: Rebuild.
9693
9694         * mremap.c: New file.
9695         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9696         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9697         (mremap): Declare if HAVE_MREMAP is not defined.
9698         * configure, Makefile.in, config.in: Rebuild.
9699
9700 2009-03-27  Cary Coutant  <ccoutant@google.com>
9701
9702         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9703         position independent.
9704         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9705         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9706
9707 2009-03-24  Cary Coutant  <ccoutant@google.com>
9708
9709         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9710         an executable.
9711         (needs_dynamic_reloc): Likewise.
9712
9713 2009-03-24  Ian Lance Taylor  <iant@google.com>
9714
9715         * yyscript.y (file_cmd): Recognize EXTERN.
9716         (extern_name_list, extern_name_list_body): New nonterminals.
9717         * script.cc (script_add_extern): Define.
9718         * script-c.h (script_add_extern): Declare.
9719
9720 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9721
9722         * object.cc (is_elf_object): Define.
9723         * object.h (is_elf_object): Declare.
9724         * archive.cc (Archive::get_elf_object_for_member): Call
9725         is_elf_object.
9726         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9727
9728 2009-03-24  Elliott Hughes  <enh@google.com>
9729
9730         * output.cc (Output_file::map_anonymous): Define.
9731         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9732         try an anonymous one.  Report the size if the mmap fails.
9733         * output.h (class Output_file): Declare map_anonymous.
9734
9735 2009-03-24  Ian Lance Taylor  <iant@google.com>
9736
9737         * target-select.cc (instantiate_target): Don't acquire the lock if
9738         the instantiated_target_ field has already been set.
9739
9740 2009-03-23  Ian Lance Taylor  <iant@google.com>
9741
9742         * gold-threads.h (class Initialize_lock): Define.
9743         * gold-threads.cc (class Initialize_lock_once): Define.
9744         (initialize_lock_control): New static variable.
9745         (initialize_lock_pointer): New static variable.
9746         (initialize_lock_once): New static function.
9747         (Initialize_lock::Initialize_lock): Define.
9748         (Initialize_lock::initialize): Define.
9749         * target-select.h: Include "gold-threads.h".
9750         (class Target_selector): Add lock_ and initialize_lock_ fields.
9751         Don't define instantiate_target, just declare it.
9752         * target-select.cc (Target_selector::Target_selector): Initialize
9753         new fields.
9754         (Target_selector::instantiate_target): Define.
9755         * descriptors.h: Include "gold-threads.h".
9756         (class Descriptors): Add initialize_lock_ field.
9757         * descriptors.cc (Descriptors::Descriptors): Initialize new
9758         field.
9759         (Descriptors::open): Use initialize_lock_ field
9760         * errors.h (class Errors): Add initialize_lock_ field.
9761         * errors.cc (Errors::Errors): Initialize new field.
9762         (Errors::initialize_lock): Use initialize_lock_ field.
9763         * powerpc.cc (class Target_selector_powerpc): Remove
9764         instantiated_target_ field.  In do_recognize call
9765         instantiate_target rather than do_instantiate_target.  In
9766         do_instantiate_target just allocate a new target.
9767         * sparc.cc (class Target_selector_sparc): Likewise.
9768
9769         * freebsd.h: New file.
9770         * i386.cc: Include "freebsd.h".
9771         (Target_i386): Derive from Target_freebsd rather than
9772         Sized_target.
9773         (Target_selector_i386): Derive from Target_selector_freebsd rather
9774         than Target_selector.
9775         * x86_64.cc: Include "freebsd.h".
9776         (Target_x86_64): Derive from Target_freebsd rather than
9777         Sized_target.
9778         (Target_selector_x86_64): Derive from Target_selector_freebsd
9779         rather than Target_selector.
9780         * target.h (class Target): Add adjust_elf_header and
9781         do_adjust_elf_header.
9782         * output.cc (Output_file_header:: do_sized_write): Call target
9783         adjust_elf_header routine.
9784         * configure.tgt: Set targ_osabi.
9785         * configure.ac: Define GOLD_DEFAULT_OSABI.
9786         * parameters.cc (Parameters::default_target): Pass
9787         GOLD_DEFAULT_OSABI to select_target.
9788         * target-select.h (class Target_selector): Make instantiate_target
9789         protected rather than private.
9790         * Makefile.am (HFILES): Add freebsd.h.
9791         * configure, Makefile.in, config.in: Rebuild.
9792
9793         * merge.cc (do_add_input_section): Correct pend value.  Change
9794         message about last entry not being null terminated from error to
9795         warning.
9796
9797 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9798
9799         * incremental.cc: New file.
9800         * Makefile.am (CCFILES): Add incremental.cc.
9801         * Makefile.in: Rebuild.
9802
9803 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9804
9805         * layout.cc (Layout::output_section_name): Preserve names
9806         of '.note.' sections.
9807
9808 2009-03-19  Ian Lance Taylor  <iant@google.com>
9809
9810         * descriptors.cc (Descriptors::open): Check that the options are
9811         valid before using them.
9812
9813 2009-03-18  Ian Lance Taylor  <iant@google.com>
9814
9815         * script-sections.h: Include <list>.
9816         (class Script_sections): Change Sections_elements from std::vector
9817         to std::list.  Typedef public Elements_iterator.  Add
9818         orphan_section_placement_, data_segment_align_start_, and
9819         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9820         field.
9821         * script-sections.cc (class Orphan_section_placement): New class.
9822         (class Sections_element): Add virtual functions is_relro and
9823         orphan_section_init.  Remove virtual function place_orphan_here.
9824         (class Output_section_definition): Add is_relro and
9825         orphan_section_init.  Remove place_orphan_here.
9826         (class Orphan_output_section): Likewise.
9827         (Script_sections::Script_sections): Update for field changes.
9828         (Script_sections::data_segment_align): Set saw_data_segment_align_
9829         and data_segment_align_start_, not data_segment_align_index.
9830         (Script_sections::data_segment_relro_end): Check
9831         saw_data_segment_align_.  Use data_segment_align_start_ rather
9832         than data_segment_align_index_.
9833         (Script_sections::place_orphan): Rewrite to use
9834         Orphan_section_placement.
9835
9836 2009-03-17  Ian Lance Taylor  <iant@google.com>
9837
9838         * archive.cc (Archive::add_symbols): Check for a version attached
9839         to the symbol name in the archive map.
9840         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9841         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9842         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9843         (ver_test_11.a): New target.
9844         * testsuite/Makefile.in: Rebuild.
9845
9846         * configure.ac: Check for chsize and posix_fallocate.  Replace
9847         ftruncate.
9848         * ftruncate.c: New file, from gnulib.
9849         * output.cc (posix_fallocate): Define dummy version if not
9850         HAVE_POSIX_FALLOCATE.
9851         (Output_file::map): Call posix_fallocate rather than lseek and
9852         write.
9853         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9854         * configure, Makefile.in, config.in: Rebuild.
9855
9856 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9857
9858         * layout.h (Layout::create_note): Add section_name parameter.
9859         * layout.cc (Layout::create_note): Likewise.
9860         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9861
9862 2009-03-17  Ian Lance Taylor  <iant@google.com>
9863
9864         * descriptors.cc: Include "options.h".
9865         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9866         (Descriptors::open): Always use O_CLOEXEC when opening a new
9867         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9868         then set FD_CLOEXEC.
9869
9870         * sparc.cc (class Target_sparc): Add has_got_section.
9871         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9872         make sure we have a GOT section.
9873
9874         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9875         (Target_sparc::Scan::local): Likewise.
9876         (Target_sparc::Scan::global): Likewise.
9877         (Target_sparc::Relocate::relocate): Likewise.
9878         (Target_sparc::Relocate::relocate_tls): Likewise.
9879
9880         * symtab.cc (Symbol_table::define_default_version): New function,
9881         broken out of add_from_object.
9882         (Symbol_table::add_from_object): Call define_default_version.
9883         (Symbol_table::define_special_symbol): Add resolve_oldsym
9884         parameter.  Change all callers.  If the version for a symbol comes
9885         from a version script, resolve it with the symbol with the same
9886         name with no version.  Also add the symbol without a version if
9887         appropriate.
9888         (do_define_in_output_data): If resolving with oldsym, don't delete
9889         sym.
9890         (do_define_in_output_segment): Likewise.
9891         (do_define_as_constant): Likewise.
9892         * symtab.h (class Symbol_table): Update declarations.
9893
9894 2009-03-13  Ian Lance Taylor  <iant@google.com>
9895
9896         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9897         (Read_symbols::requeue): New function.
9898         (Read_symbols::do_read_symbols): If make_elf_object fails because
9899         the target type is not configured, and the file was searched for,
9900         issue a warning and retry with the next directory.
9901         (Add_symbols::run): If the file has an incompatible format, and
9902         it was searched for, requeue the Read_symbols task.  On error,
9903         release the object.
9904         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9905         dirindex parameter to constructor.  Change all callers.  Declare
9906         incompatible_warning and requeue.
9907         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9908         input_argument_ and input_group_ fields.  Add them to
9909         constructor.  Change all callers.
9910         (class Read_script): Add dirindex_ field.  Add it to constructor.
9911         Change all callers.
9912         * archive.cc (Archive::setup): Remove input_objects parameter.
9913         Change all callers.
9914         (Archive::get_file_and_offset): Likewise.
9915         (Archive::read_all_symbols): Likewise.
9916         (Archive::read_symbols): Likewise.
9917         (Archive::get_elf_object_for_member): Remove input_objects
9918         parameter.  Add punconfigured parameter.  Change all callers.
9919         (Archive::add_symbols): Change return type to bool.  Check return
9920         value of include_member.
9921         (Archive::include_all_members): Likewise.
9922         (Archive::include_member): Change return type to bool.  Return
9923         false if first included object has incompatible target.  Set
9924         included_member_ field.
9925         (Add_archive_symbols::run): If add_symbols returns false, requeue
9926         Read_symbols task.
9927         * archive.h (class Archive): Add included_member_ field.
9928         Initialize it in constructor.  Add input_file and searched_for
9929         methods.  Update declarations.
9930         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9931         input_argument_ fields.  Add them to constructor.  Change all
9932         callers.
9933         * script.cc: Include "target-select.h".
9934         (class Parser_closure): Add skip_on_incompatible_target_ and
9935         found_incompatible_target_ fields.  Add
9936         skip_on_incompatible_target parameter to constructor.  Change all
9937         callers.  Add methods skip_on_incompatible_target,
9938         clear_skip_on_incompatible_target, found_incompatible_target, and
9939         set_found_incompatible_target.
9940         (read_input_script): Add dirindex parameter.  Change all callers.
9941         If parser finds an incompatible target, requeue Read_symbols
9942         task.
9943         (script_set_symbol): Clear skip_on_incompatible_target in
9944         closure.
9945         (script_add_assertion, script_parse_option): Likewise.
9946         (script_start_sections, script_add_phdr): Likewise.
9947         (script_check_output_format): New function.
9948         * script.h (read_input_script): Update declaration.
9949         * script-c.h (script_check_output_format): Declare.
9950         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9951         (ignore_cmd): Remove OUTPUT_FORMAT.
9952         * fileread.cc (Input_file::Input_file): Add explicit this.
9953         (Input_file::will_search_for): New function.
9954         (Input_file::open): Add pindex parameter.  Change all callers.
9955         * fileread.h (class Input_file): Add input_file_argument method.
9956         Declare will_search_for.  Update declarations.
9957         * object.cc (make_elf_object): Add punconfigured parameter.
9958         Change all callers.
9959         * object.h (class Object): Make input_file public.  Add
9960         searched_for method.
9961         (make_elf_object): Update declaration.
9962         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9963         restart search.
9964         * dirsearch.h (class Dirsearch): Update declaration.
9965         * options.h (class General_options): Add --warn-search-mismatch.
9966         * parameters.cc (Parameters::is_compatible_target): New function.
9967         * parameters.h (class Parameters): Declare is_compatible_target.
9968         * workqueue.cc (Workqueue::add_blocker): New function.
9969         * workqueue.h (class Workqueue): Declare add_blocker.
9970
9971         * fileread.cc (Input_file::open): Remove options parameter.
9972         Change all callers.
9973         (Input_file::open_binary): Likewise.
9974         * script.cc (read_input_script): Likewise.
9975         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9976         options parameter from constructor.  Change all callers.
9977         (class Read_script): Likewise.
9978         * fileread.h (class Input_file): Update declarations.
9979         * script.h (read_input_script): Update declaration.
9980
9981 2009-03-10  Nick Clifton  <nickc@redhat.com>
9982
9983         * po/es.po: New Spanish translation.
9984
9985 2009-03-06  Cary Coutant  <ccoutant@google.com>
9986
9987         * options.cc (parse_short_option): Keep dash_z from registering itself.
9988
9989 2009-03-03  Ian Lance Taylor  <iant@google.com>
9990
9991         PR 9918
9992         * target-reloc.h (relocate_section): Pass output_section to
9993         relocate.
9994         * i386.cc (Target_i386::should_apply_static_reloc): Add
9995         output_section parameter.  Change all callers.
9996         (Target_i386::Relocate::relocate): Add output_section parameter.
9997         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9998         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9999         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10000         * testsuite/two_file_shared.sh: New script.
10001         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10002         (check_DATA): Add two_file_shared.dbg.
10003         (two_file_shared.dbg): New target.
10004         * testsuite/Makefile.in: Rebuild.
10005
10006 2009-03-01  Ian Lance Taylor  <iant@google.com>
10007
10008         * configure.ac: Check for byteswap.h.
10009         * configure: Rebuild.
10010         * config.in: Rebuild.
10011
10012 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10013
10014         * layout.cc (Layout::find_or_add_kept_section): New function.
10015         (Layout::add_comdat): Removed.
10016         * layout.h (struct Kept_section): Move out of class Layout.
10017         Remove trailing underscores from field names.  Add group_sections
10018         field.  Rename group_ field to is_group.  Change all uses.
10019         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10020         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10021         comdat_groups_ field.
10022         (Sized_relobj::include_section_group): Use
10023         find_or_add_kept_section and Kept_section::group_sections.
10024         (Sized_relobj::include_linkonce_section): Likewise.
10025         * object.cc (class Sized_relobj): Don't define Comdat_group or
10026         Comdat_group_table.  Remove find_comdat_group and
10027         add_comdat_group.  Remove comdat_groups_ field.
10028         * plugin.cc (include_comdat_group): Use
10029         Layout::find_or_add_kept_section.
10030
10031 2009-02-28  Ian Lance Taylor  <iant@google.com>
10032
10033         * README: --gc-sections and map files are now supported.  Document
10034         some build requirements.
10035
10036         PR 6992
10037         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10038         relocatable link set the value of the section symbol to zero.
10039         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10040         relocatable link don't include the section address in the local
10041         symbol value.
10042
10043 2009-02-27  Ian Lance Taylor  <iant@google.com>
10044
10045         PR 6811
10046         * options.h (class Search_directory): Add is_system_directory.
10047         (class General_options): Declare is_in_system_directory.
10048         * options.cc (get_relative_sysroot): Make static.
10049         (get_default_sysroot): Make static.
10050         (General_optoins::is_in_system_directory): New function.
10051         * fileread.cc (Input_file::is_in_system_directory): New function.
10052         * fileread.h (class Input_file): Declare is_in_system_directory.
10053         * object.h (class Object): Add is_in_system_directory.
10054         (class Input_objects): Remove system_library_directory_ field.
10055         * object.cc (Input_objects::add_object): Don't set
10056         system_library_directory_.
10057         (input_objects::found_in_system_library_directory): Remove.
10058         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10059         parameter.  Change all callers.
10060         (Symbol_table::sized_write_globals): Likewise.
10061         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10062         Call Object::is_in_system_directory.
10063         * symtab.h (class Symbol_table): Update declarations.
10064
10065         PR 5990
10066         * descriptors.h (Open_descriptor): Add is_on_stack field.
10067         * descriptors.cc (Descriptors::open): If the descriptor is on the
10068         top of the stack, remove it.  Initialize is_on_stack field.
10069         (Descriptors::release): Only add pod to stack if it is not on the
10070         stack already.
10071         (Descriptors::close_some_descriptor): Clear stack_next and
10072         is_on_stack fields.
10073
10074         PR 7091
10075         * output.cc (Output_section::find_starting_output_address): Rename
10076         from starting_output_address; add PADDR parameter; change return
10077         type.
10078         * output.h (class Output_section): Declare
10079         find_starting_output_address instead of starting_output_address.
10080         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10081         section symbol for which we can't find a merge section.
10082
10083         PR 9836
10084         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10085         hidden or internal, force the symbol to be local.
10086         * resolve.cc (Symbol::override_visibility): Define.
10087         (Symbol::override_base): Use override_visibility.
10088         (Symbol_table::resolve): Likewise.
10089         (Symbol::override_base_with_special): Likewise.
10090         (Symbol_table::override_with_special): If the visibility is hidden
10091         or internal, force the symbol to be local.
10092         * symtab.h (class Symbol): Add set_visibility and
10093         override_visibility.
10094         * testsuite/ver_test_1.sh: New file.
10095         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10096         (check_DATA): Add ver_test_1.syms.
10097         (ver_test_1.syms): New target.
10098         * testsuite/Makefile.in: Rebuild.
10099
10100 2009-02-25  Cary Coutant  <ccoutant@google.com>
10101
10102         * layout.cc (Layout::choose_output_section): Don't rename sections
10103         when using a linker script that has a SECTIONS clause.
10104         * Makefile.in: Regenerate.
10105
10106         * testsuite/Makefile.am (script_test_5.sh): New test case.
10107         * testsuite/Makefile.in: Regenerate.
10108         * testsuite/script_test_5.cc: New file.
10109         * testsuite/script_test_5.sh: New file.
10110         * testsuite/script_test_5.t: New file.
10111
10112 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10113
10114         * archive.cc (Archive::include_member): Update calls to add_symbols.
10115         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10116         the Layout argument.
10117         * dynobj.h (do_add_symbols): Add the Layout argument.
10118         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10119         Layout argument.
10120         * object.h (Object::add_symbols): Add the Layout argument.
10121         (Object::do_add_symbols): Add the Layout argument.
10122         (Sized_relobj::do_add_symbols): Add the Layout argument.
10123         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10124         Unify the two versions.
10125         (Add_plugin_symbols): Remove.
10126         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10127         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10128         (Add_plugin_symbols): Remove.
10129         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10130         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10131         (Add_symbols::run): Make it work with Pulginobj.
10132
10133 2009-02-06  Ian Lance Taylor  <iant@google.com>
10134
10135         * object.cc (Sized_relobj::do_layout): Make info message start
10136         with lower case letter.
10137
10138 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10139
10140         * binary.cc: Fix file comment.
10141
10142         * options.h (enum Incremental_disposition): Define.
10143         (class General_options): Add new options: --incremental,
10144         --incremental_changed, --incremental_unchanged,
10145         --incremental_unknown.  Add incremental_disposition_ and
10146         implicit_incremental_ fields.
10147         (General_options::incremental_disposition): New function.
10148         (class Position_dependent_options): Add incremental_disposition
10149         option.
10150         (Position_dependent_options::copy_from_options): Set incremental
10151         dispositions.
10152         * options.cc (General_options::parse_incremental_changed): New
10153         function.
10154         (General_options::parse_incremental_unchanged): New function.
10155         (General_options::parse_incremental_unknown): New function.
10156         (General_options::General_options): Initialize new fields
10157         incremental_disposition_ and implicit_incremental_.
10158         (General_options::finalize): Check for uasge of --incremental-*
10159         without --incremental.
10160
10161 2009-02-06  Chris Demetriou  <cgd@google.com>
10162
10163         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10164         pointer and to report location as the file name associated with
10165         the symbol.
10166         (gold_undefined_symbol_at_location): New function to replace the
10167         old gold_undefined_symbol functionality.
10168         * target-reloc.h (relocate_section): Update to use
10169         gold_undefined_symbol_at_location.
10170         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10171         Call gold_undefined_symbol function rather than gold_error.
10172         * errors.h (Errors::undefined_symbol): Take location as a
10173         string, rather than calculating it from a relocation.
10174         * errors.cc (Errors::fatal): Print "fatal error:" before the
10175         formatted message.
10176         (Errors::error, Errors::error_at_location): Print "error: "
10177         before the formatted message.
10178         (Errors::undefined_symbol): Take location as a string, rather
10179         than calculating it from a relocation.
10180         (gold_undefined_symbol_at_location): New function akin to
10181         old gold_undefined_symbol, calculates location from relocation.
10182         (gold_undefined_symbol): Change to take only a Symbol pointer
10183         and to report location as the file name associated with the symbol.
10184         * testsuite/debug_msg.sh: Update for changed error messages.
10185         * testsuite/undef_symbol.sh: Likewise.
10186
10187 2009-02-04  Duncan Sands  <baldrick@free.fr>
10188
10189         PR 9812
10190         * reduced_debug_output.h
10191         (Output_reduced_debug_abbrev_section::failed): Use format for
10192         gold_warning.
10193         (Output_reduced_debug_info_section::faild): Likewise.
10194
10195 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10196
10197         * script.cc (Lazy_demangler): New class.
10198         (Version_script_info::get_symbol_version_helper): Demangle a
10199         symbol only once.
10200
10201 2009-01-29  Cary Coutant  <ccoutant@google.com>
10202
10203         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10204         to __tls_get_addr.
10205         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10206
10207 2009-01-28  Ian Lance Taylor  <iant@google.com>
10208
10209         * version.cc (version_string): Bump to 1.9.
10210
10211         * gold.h: Include <cstring> and <stdint.h>.
10212         * version.cc: Include <cstdio>.
10213         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10214         warning.
10215         * reduced_debug_output.cc (insert_into_vector): Rename from
10216         Insert_into_vector; change all callers.  Use Swap_unaligned to
10217         avoid aliasing issue; remove union since it is unnecessary.
10218
10219 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10220
10221         * Makefile.am (CCFILES): Add gc.cc.
10222         (HFILES): Add gc.h.
10223         * Makefile.in: Regenerate.
10224         * gold.cc (Gc_runner): New class.
10225         (queue_initial_tasks): Call garbage collection related tasks
10226         when corresponding options are invoked.
10227         (queue_middle_gc_tasks): New function.
10228         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10229         processed early before laying out sections during garbage collection.
10230         * gold.h (queue_middle_gc_tasks): New function.
10231         (is_prefix_of): Move from "layout.cc".
10232         * i386.cc (Target_i386::gc_process_relocs): New function.
10233         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10234         * main.cc (main): Create object of class "Garbage_collection".
10235         * object.cc (Relobj::copy_symbols_data): New function.
10236         (Relobj::is_section_name_included): New function.
10237         (Sized_relobj::do_layout): Allow this function to be called twice
10238         during garbage collection and defer layout of section during the
10239         first call.
10240         * object.h (Relobj::get_symbols_data): New function.
10241         (Relobj::is_section_name_included): New function.
10242         (Relobj::copy_symbols_data): New function.
10243         (Relobj::set_symbols_data): New function.
10244         (Relobj::get_relocs_data): New function.
10245         (Relobj::set_relocs_data): New function.
10246         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10247         (Relobj::gc_process_relocs): New function.
10248         (Relobj::do_gc_process_relocs): New pure virtual function.
10249         (Relobj::sd_): New data member.
10250         (Sized_relobj::is_output_section_offset_invalid): New function.
10251         (Sized_relobj::do_gc_process_relocs): New function.
10252         * options.h (General_options::gc_sections): Modify to not be a no-op.
10253         (General_options::print_gc_sections): New option.
10254         * plugin.cc (Plugin_finish::run): Remove function call to
10255         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10256         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10257         * reloc.cc (Read_relocs::run): Add task to process relocs and
10258         determine unreferenced sections when doing garbage collection.
10259         (Gc_process_relocs): New class.
10260         (Sized_relobj::do_gc_process_relocs): New function.
10261         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10262         sections that are garbage collected.
10263         * reloc.h (Gc_process_relocs): New class.
10264         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10265         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10266         symbols whose corresponding sections are garbage collected.
10267         (Symbol_table::Symbol_table): Add new parameter for the garbage
10268         collection object.
10269         (Symbol_table::gc_mark_undef_symbols): New function.
10270         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10271         (Symbol_table::gc_mark_dyn_syms): New function.
10272         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10273         as garbage.
10274         (Symbol_table::add_from_object): Likewise.
10275         (Symbol_table::add_from_relobj): When building shared objects, do not
10276         treat externally visible symbols as garbage.
10277         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10278         table information for static and relocatable links.
10279         * symtab.h (Symbol_table::set_gc): New function.
10280         (Symbol_table::gc): New function.
10281         (Symbol_table::gc_mark_undef_symbols): New function.
10282         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10283         (Symbol_table::gc_mark_dyn_syms): New function.
10284         (Symbol_table::gc_): New data member.
10285         * target.h (Sized_target::gc_process_relocs): New pure virtual
10286         function.
10287         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10288         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10289
10290 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10291
10292         * options.h (General_options::gc_sections): Define as a no-op for now.
10293         (General_options::no_keep_memory): Ditto.
10294         (General_options::Bshareable): Define.
10295         * options.cc (General_options::finalize): Honor -Bshareable.
10296
10297 2009-01-20  Andreas Schwab  <schwab@suse.de>
10298
10299         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10300         read the value in the contents, since we don't use it.  Use the
10301         template endianness when writing.
10302         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10303
10304 2009-01-19  Andreas Schwab  <schwab@suse.de>
10305
10306         * configure.tgt (powerpc64-*): Fix targ_obj.
10307
10308 2009-01-15  Ian Lance Taylor  <iant@google.com>
10309
10310         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10311         local symbols when stripping all symbols.
10312
10313 2009-01-14  Cary Coutant  <ccoutant@google.com>
10314
10315         * output.cc (Output_reloc): Add explicit instantiations.
10316
10317 2009-01-14  Cary Coutant  <ccoutant@google.com>
10318
10319         * archive.cc (Archive::get_elf_object_for_member): Remove call
10320         to File_read::claim_for_plugin.
10321         * descriptors.cc (Descriptors::open): Remove reference to
10322         is_claimed.
10323         (Descriptors::claim_for_plugin): Remove.
10324         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10325         (Descriptors::is_claimed): Remove.
10326         (claim_descriptor_for_plugin): Remove.
10327         * fileread.cc (File_read::claim_for_plugin): Remove.
10328         * fileread.h (File_read::claim_for_plugin): Remove.
10329         (File_read::descriptor): Reopen descriptor if necessary.
10330         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10331         (Plugin_manager::all_symbols_read): Add task parameter. Change
10332         all callers.
10333         (Plugin_manager::get_input_file): New function.
10334         (Plugin_manager::release_input_file): New function.
10335         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10336         corresponding data member.
10337         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10338         and pass to base constructor. Change all callers.
10339         (get_input_file, release_input_file): New functions.
10340         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10341         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10342         (Plugin_manager::all_symbols_read): Add task parameter.
10343         (Plugin_manager::get_input_file): New function.
10344         (Plugin_manager::release_input_file): New function.
10345         (Plugin_manager::task_): New data member.
10346         (Pluginobj::Pluginobj): Add filesize parameter.
10347         (Pluginobj::filename): New function.
10348         (Pluginobj::descriptor): New function.
10349         (Pluginobj::filesize): New function.
10350         (Pluginobj::filesize_): New data member.
10351         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10352         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10353         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10354
10355         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10356         with archive libraries.
10357         * testsuite/Makefile.in: Regenerate.
10358         * testsuite/plugin_test.c (struct sym_info): New type.
10359         (get_input_file, release_input_file): New static variables.
10360         (onload): Capture new transfer vector entries.
10361         (claim_file_hook): Stop reading at end of file according to filesize.
10362         Factor out parsing of readelf output into separate function.
10363         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10364         APIs and get the source file name from the symbol table.  Convert
10365         source file name to corresponding object file name.  Print info
10366         message when adding new input files.
10367         (parse_readelf_line): New function.
10368         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10369         * testsuite/plugin_test_2.sh: Likewise.
10370         * testsuite/plugin_test_3.sh: Likewise.
10371         * testsuite/plugin_test_4.sh: New test case.
10372
10373 2009-01-07  Ian Lance Taylor  <iant@google.com>
10374
10375         * version.cc (version_string): Bump to 1.8.
10376
10377 2008-12-23  Cary Coutant  <ccoutant@google.com>
10378
10379         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10380         * plugin.cc (Plugin_manager::finish): Rename as
10381         layout_deferred_objects.  Move cleanup to separate function.
10382         (Plugin_manager::cleanup): New function.
10383         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10384         separately.
10385         * plugin.h (Plugin_manager::finish): Rename as
10386         layout_deferred_objects.
10387         (Plugin_manager::cleanup): New function.
10388         (Plugin_manager::cleanup_done): New field.
10389
10390 2008-12-23  Cary Coutant  <ccoutant@google.com>
10391
10392         * plugin.cc (is_visible_from_outside): New function.
10393         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10394         so we don't return "IR only" status for exported symbols or -r links.
10395
10396         * testsuite/Makefile.am (plugin_test_3): New test case.
10397         * testsuite/Makefile.in: Regenerate.
10398         * testsuite/plugin_test_3.sh: New file.
10399
10400 2008-12-22  Cary Coutant  <ccoutant@google.com>
10401
10402         * object.cc (Sized_relobj::layout_section): New function.
10403         (Sized_relobj::do_layout): Defer layout of input sections until after
10404         plugin has provided replacement files.
10405         (Sized_relobj::do_layout_deferred_sections): New function.
10406         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10407         (Relobj::layout_deferred_sections): New function.
10408         (Relobj::do_layout_deferred_sections): New function.
10409         (Sized_relobj::do_layout_deferred_sections): New function.
10410         (Sized_relobj::layout_section): New function.
10411         (Sized_relobj::Deferred_layout): New structure.
10412         (Sized_relobj::deferred_layout_): New field.
10413         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10414         Change all callers.  Layout deferred sections.
10415         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10416         references.
10417         (Plugin_hook::run): Move code from do_plugin_hook inline.
10418         (Plugin_hook::do_plugin_hook): Remove.
10419         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10420         (Plugin_manager::finish): Renamed, was cleanup.
10421         (Plugin_manager::should_defer_layout): New function.
10422         (Plugin_manager::add_deferred_layout_object): New function.
10423         (Plugin_manager::Deferred_layout_list): New type.
10424         (Plugin_manager::deferred_layout_objects_): New field.
10425         (Plugin_hook::do_plugin_hook): Remove.
10426
10427 2008-12-17  Ian Lance Taylor  <iant@google.com>
10428
10429         * options.h (class General_options): Add --no case for
10430         --export-dynamic.
10431
10432 2008-12-16  Cary Coutant  <ccoutant@google.com>
10433
10434         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10435         vector.
10436         (Plugin_manager::claim_file): Create plugin object even if
10437         plugin did not call the add_symbols callback.
10438         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10439         asking for more symbols than were added.
10440         * testsuite/Makefile.am (plugin_test_1): Add test case with
10441         no global symbols.
10442         (empty.syms): New target.
10443         * testsuite/Makefile.in: Regenerate.
10444         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10445         message. Don't call add_symbols if no globals.
10446         (all_symbols_read_hook): Don't provide replacement for empty
10447         claimed file.
10448
10449 2008-12-12  Ian Lance Taylor  <iant@google.com>
10450
10451         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10452         r_type == 0 for a local symbol with r_sym == 0.
10453         (scan_relocatable_relocs): Pass r_sym to
10454         local_non_section_strategy.
10455         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10456         r_sym parameter.
10457
10458         * configure.ac: Update test for TLS descriptors: they are
10459         supported as of glibc 2.9.
10460         * configure: Rebuild.
10461
10462 2008-12-11  Ian Lance Taylor  <iant@google.com>
10463
10464         PR 7091
10465         * target-reloc.h (Default_scan_relocatable_relocs): For each
10466         function, map r_type == 0 to RELOC_DISCARD.
10467
10468 2008-12-10  Cary Coutant  <ccoutant@google.com>
10469
10470         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10471         object to override a kept COMDAT group from a plugin object.
10472
10473 2008-12-09  Ian Lance Taylor  <iant@google.com>
10474
10475         PR 7088
10476         * yyscript.y (file_cmd): Handle INPUT.
10477
10478         * testsuite/initpri1.c: Change all declarations to be full
10479         prototypes by adding void, to avoid compiler warnings.
10480
10481 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10482
10483         * options.cc (General_options::parse_plugin_opt): New.
10484         (General_options::add_plugin): The argument now is just the filename.
10485         (General_options::add_plugin_option): New.
10486         * options.h (plugin_opt): New.
10487         (add_plugin): Change argument name.
10488         (add_plugin_option): New.
10489         * plugin.cc (Plugin::load): Don't parse the plugin option.
10490         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10491         (Plugin::add_option): New.
10492         (Plugin::args_): Change type.
10493         (Plugin::filename_): New.
10494         (Plugin_manager::add_plugin_option): New.
10495         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10496         * testsuite/Makefile.in: Regenerate.
10497
10498 2008-12-05  Cary Coutant  <ccoutant@google.com>
10499
10500         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10501         Handle --strip-lto-sections option.
10502         * options.h (strip_lto_sections): New option.
10503
10504 2008-12-01  Cary Coutant  <ccoutant@google.com>
10505
10506         * plugin.cc (ld_plugin_message): Change format parameter to const.
10507         Fix mismatch between new[] and delete.
10508
10509 2008-11-14  Cary Coutant  <ccoutant@google.com>
10510
10511         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10512         instead of -1U.
10513
10514 2008-11-05  Craig Silverstein  <csilvers@google.com>
10515
10516         * options.cc (General_options::parse_dynamic_list): New function.
10517         * options.h (General_options): New flags dynamic_list,
10518         dynamic_list_data, dynamic_list_cpp_new, and
10519         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10520         (General_options::in_dynamic_list): New function.
10521         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10522         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10523         (Lex::can_continue_name): Likewise.
10524         (yylex): Likewise.
10525         (read_script_file): New parameter script_options.
10526         (read_dynamic_list): New function.
10527         (Script_options::define_dynamic_list): New function.
10528         (dynamic_list_keyword_parsecodes): New variable.
10529         (dynamic_list_keywords): New variable.
10530         * script.h (Script_options::define_dynamic_list): New function
10531         prototype.
10532         (read_dynamic_list): New function prototype.
10533         * symtab.cc (strprefix): New macro.
10534         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10535         dynamic_list_data, dynamic_list_cpp_new, and
10536         dynamic_list_cpp_typeinfo.
10537         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10538         (dynamic_list_expr): New rule.
10539         (dynamic_list_nodes): Likewise.
10540         (dynamic_list_node): Likewise.
10541         * testsuite/Makefile.am (dynamic_list): New test.
10542         * testsuite/Makefile.in: Regenerated.
10543         * testsuite/dynamic_list.t: New file.
10544         * testsuite/dynamic_list.sh: New file.
10545
10546 2008-11-05  Craig Silverstein  <csilvers@google.com>
10547
10548         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10549         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10550         (t11_last): Likewise.
10551         * testsuite/ver_test_6.c (main): Likewise.
10552
10553 2008-10-07  Cary Coutant  <ccoutant@google.com>
10554
10555         * options.c (General_options::finalize): Add check for -static and
10556         -shared.
10557         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10558         is not empty.
10559
10560 2008-10-02  Cary Coutant  <ccoutant@google.com>
10561
10562         * plugin.cc (make_sized_plugin_object): Fix conditional
10563         compilation to work when not all targets are enabled.
10564
10565 2008-09-29  Cary Coutant  <ccoutant@google.com>
10566
10567         * archive.cc (Archive::get_file_and_offset): Use filename instead
10568         of name to get library path.
10569         (Archive::include_member): Unlock external member of a thin archive.
10570
10571         * testsuite/Makefile.am (TEST_AR): New variable.
10572         (thin_archive_test_1): New test.
10573         (thin_archive_test_2): New test.
10574         * testsuite/Makefile.in: Regenerate.
10575         * testsuite/thin_archive_main.cc: New file.
10576         * testsuite/thin_archive_test_1.cc: New file.
10577         * testsuite/thin_archive_test_2.cc: New file.
10578         * testsuite/thin_archive_test_3.cc: New file.
10579         * testsuite/thin_archive_test_4.cc: New file.
10580
10581 2008-09-29  Cary Coutant  <ccoutant@google.com>
10582
10583         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10584         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10585         instead of -1U.
10586         (Sized_relobj::do_finalize_local_symbols): Likewise.
10587         (Sized_relobj::map_to_kept_section): Likewise.
10588         * object.h (Sized_relobj::invalid_address): New constant.
10589         (Sized_relobj::do_output_section_offset): Check for invalid_address
10590         and return -1ULL.
10591         * output.cc (Output_reloc::local_section_offset): Use constant
10592         invalid_address instead of -1U.
10593         (Output_reloc::get_address): Likewise.
10594         (Output_section::output_address): Change -1U to -1ULL.
10595         * output.h (Output_reloc::invalid_address): New constant.
10596         * reloc.cc (Sized_relobj::write_sections): Use constant
10597         invalid_address instead of -1U.
10598         (Sized_relobj::relocate_sections): Likewise.
10599         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10600         values for merge sections.
10601         * target-reloc.h (relocate_for_relocatable): Use constant
10602         invalid_address instead of -1U.
10603
10604 2008-09-19  Cary Coutant  <ccoutant@google.com>
10605
10606         Add plugin functionality for link-time optimization (LTO).
10607         * configure.ac (plugins): Add --enable-plugins option.
10608         * configure: Regenerate.
10609         * config.in: Regenerate.
10610         * Makefile.am (LIBDL): New variable.
10611         (CCFILES): Add plugin.cc.
10612         (HFILES): Add plugin.h.
10613         (ldadd_var): Add LIBDL.
10614         * Makefile.in: Regenerate.
10615
10616         * archive.cc: Include "plugin.h".
10617         (Archive::setup): Don't preread archive symbols when using a plugin.
10618         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10619         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10620         files.
10621         (Archive::include_member): Add symbols from plugin objects.
10622         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10623         * descriptors.cc (Descriptors::open): Check for file descriptors
10624         abandoned by plugins.
10625         (Descriptors::claim_for_plugin): New function.
10626         * descriptors.h (Descriptors::claim_for_plugin): New function.
10627         (Open_descriptor::is_claimed): New field.
10628         (claim_descriptor_for_plugin): New function.
10629         * fileread.cc (File_read::claim_for_plugin): New function.
10630         * fileread.h (File_read::claim_for_plugin): New function.
10631         (File_read::descriptor): New function.
10632         * gold.cc: Include "plugin.h".
10633         (queue_initial_tasks): Add task to call plugin hooks for generating
10634         new object files.
10635         * main.cc: Include "plugin.h".
10636         (main): Load plugin libraries.
10637         * object.h (Pluginobj): Declare.
10638         (Object::pluginobj): New function.
10639         (Object::do_pluginobj): New function.
10640         (Object::set_target): New function.
10641         * options.cc: Include "plugin.h".
10642         (General_options::parse_plugin): New function.
10643         (General_options::General_options): Initialize plugins_ field.
10644         (General_options::add_plugin): New function.
10645         * options.h (Plugin_manager): Declare.
10646         (General_options): Add --plugin option.
10647         (General_options::has_plugins): New function.
10648         (General_options::plugins): New function.
10649         (General_options::add_plugin): New function.
10650         (General_options::plugins_): New field.
10651         * plugin.cc: New file.
10652         * plugin.h: New file.
10653         * readsyms.cc: Include "plugin.h".
10654         (Read_symbols::do_read_symbols): Check for archive before checking
10655         for ELF file.  Call plugin hooks to claim files.
10656         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10657         from a real object file; force override when processing replacement
10658         files.
10659         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10660         (Symbol::init_base_object): Likewise.
10661         (Symbol::init_base_output_data): Likewise.
10662         (Symbol::init_base_output_segment): Likewise.
10663         (Symbol::init_base_constant): Likewise.
10664         (Symbol::init_base_undefined): Likewise.
10665         (Symbol::output_section): Assert that object is not a plugin.
10666         (Symbol_table::add_from_pluginobj): New function.
10667         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10668         undefined.
10669         (Symbol_table::sized_write_globals): Likewise.
10670         (Symbol_table::add_from_pluginobj): Instantiate template.
10671         * symtab.h (Sized_pluginobj): Declare.
10672         (Symbol::in_real_elf): New function.
10673         (Symbol::set_in_real_elf): New function.
10674         (Symbol::in_real_elf_): New field.
10675         (Symbol_table::add_from_pluginobj): New function.
10676
10677         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10678         (LIBDL): New variable.
10679         (LDADD): Add LIBDL.
10680         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10681         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10682         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10683         (MOSTLYCLEANFILES): Likewise.
10684         * testsuite/Makefile.in: Regenerate.
10685         * testsuite/plugin_test.c: New file.
10686         * testsuite/plugin_test_1.sh: New file.
10687         * testsuite/plugin_test_2.sh: New file.
10688
10689 2008-09-16  Ian Lance Taylor  <iant@google.com>
10690
10691         * target-reloc.h (relocate_section): Check whether a symbol is
10692         defined by the ABI before reporting an undefined symbol error.
10693         * target.h (Target::is_defined_by_abi): Make parameter const.
10694         (Target::do_is_defined_by_abi): Likewise.
10695         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10696         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10697         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10698         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10699         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10700         * testsuite/Makefile.in: Rebuild.
10701
10702         * fileread.cc (make_view): Add casts to avoid warning.
10703
10704 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10705
10706         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10707         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10708
10709 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10710
10711         * options.h (General_options::output_is_executable): New.
10712         (General_options::output_is_pie): New.
10713         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10714         for shared libraries.
10715         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10716
10717 2008-09-11  Chris Demetriou  <cgd@google.com>
10718
10719         * options.h (origin): New -z option.
10720         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10721         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10722         in DT_FLAGS_1.
10723
10724 2008-09-05  Cary Coutant  <ccoutant@google.com>
10725
10726         * fileread.cc (File_read::make_view): Add check for attempt to map
10727         beyond end of file.
10728
10729 2008-09-05  Cary Coutant  <ccoutant@google.com>
10730
10731         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10732         explicit instantiations.
10733
10734 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10735
10736         PR gold/6858
10737         * options.cc (General_options::finalize): Allow undefined symbols
10738         in shlibs if linking -shared.
10739
10740         PR gold/6859
10741         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10742         symbols as not needing a dynsym entry.
10743
10744 2008-08-20  Craig Silverstein  <csilvers@google.com>
10745
10746         * fileread.cc (File_read::open): Do not lock the file unless it
10747         was successfully opened.
10748
10749 2008-08-14  Cary Coutant  <ccoutant@google.com>
10750
10751         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10752         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10753         * testsuite/tls_test.cc (struct int128): 128-bit struct
10754         for testing TLS relocs with non-zero addend.
10755         (v12): New TLS variable.
10756         (t12): New test.
10757         (t_last): Add check for v12.
10758         * testsuite/tls_test.h (t12): New function.
10759         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10760
10761 2008-08-13  Ian Lance Taylor  <iant@google.com>
10762
10763         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10764         set tls_segment_ or relro_segment_.
10765         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10766         when appropriate.
10767         * output.h (Output_section::clear_is_relro): New function.
10768         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10769         sections specially even when output_data_ is empty.
10770         (Output_segment::maximum_alignment): When first section is relro,
10771         only force alignment for PT_LOAD segments.
10772         * script.cc (script_data_segment_align): New function.
10773         (script_data_segment_relro_end): New function.
10774         * script-c.h (script_data_segment_align): Declare.
10775         (script_data_segment_relro_end): Declare.
10776         * script-sections.h (class Script_sections): Declare
10777         data_segment_align and data_segment_relro_end.  Add fields
10778         segment_align_index_ and saw_relro_end_.
10779         * script-sections.cc (class Sections_element): Add set_is_relro
10780         virtual function.  Add new bool* parameter to place_orphan_here.
10781         Add get_output_section virtual function.
10782         (class Output_section_definition): Add set_is_relro.  Add new
10783         bool* parameter to place_orphan_here.  Add get_output_section.
10784         Add is_relro_ field.
10785         (Output_section_definition::Output_section_definition): Initialize
10786         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10787         and is_relro_ fields.
10788         (Output_section_definition::place_orphan_here): Add is_relro
10789         parameter.
10790         (Output_section_definition::set_section_addresses): Set relro for
10791         output section.
10792         (Output_section_definition::alternate_constraint): Likewise.
10793         (class Orphan_output_section): Add new bool* parameter to
10794         place_orphan_here.  Add get_output_section.
10795         (Orphan_output_section::place_orphan_here): Add is_relro
10796         parameter.
10797         (Script_sections::Script_sections): Initialize
10798         data_segment_align_index_ and saw_relro_end_.
10799         (Script_sections::data_segment_align): New function.
10800         (Script_sections::data_segment_relro_end): New function.
10801         (Script_sections::place_orphan): Set or clear is_relro.
10802         (Script_sections::set_section_addresses): Force alignment of first
10803         TLS section.
10804         * yyscript.y (exp): Call script_data_segment_align and
10805         script_data_segment_relro_end.
10806         * testsuite/relro_script_test.t: New file.
10807         * testsuite/relro_test.cc (using_script): Declare.
10808         (t1, t2): Test using_script.
10809         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10810         (relro_script_test_SOURCES): Define.
10811         (relro_script_test_DEPENDENCIES): Define.
10812         (relro_script_test_LDFLAGS): Define.
10813         (relro_script_test_LDADD): Define.
10814         (relro_script_test.so): New target.
10815         * testsuite/Makefile.in: Rebuild.
10816
10817 2008-08-06  Cary Coutant <ccoutant@google.com>
10818
10819         * archive.cc (Archive::total_archives, Archive::total_members)
10820         (Archive::total_members_loaded): New variables.
10821         (Archive::setup): Add parameter.  Add option to preread
10822         archive symbols.
10823         (Archive::read_armap): Add counter.
10824         (Archive::get_file_and_offset): New function.
10825         (Archive::get_elf_object_for_member): New function.
10826         (Archive::read_all_symbols): New function.
10827         (Archive::read_symbols): New function.
10828         (Archive::add_symbols): Add counters.
10829         (Archive::include_all_members): Use armap to find members if it's
10830         already built.
10831         (Archive::include_member): Skip reading symbols if already read.
10832         Factored code into Archive::get_file_and_offset and
10833         Archive::get_elf_object_for_member.  Changed call to
10834         Mapfile::report_include_archive_member.
10835         (Archive::print_stats): New function.
10836         * archive.h: Declare Object and Read_symbols_data classes.
10837         (Archive::Archive): Add initializers for new members.
10838         (Archive::setup): Add parameter.
10839         (Archive::print_stats): New function.
10840         (Archive::total_archives, Archive::total_members)
10841         (Archive::total_members_loaded): New variables.
10842         (Archive::get_file_and_offset): New function.
10843         (Archive::get_elf_object_for_member): New function.
10844         (Archive::read_all_symbols): New function.
10845         (Archive::read_symbols): New function.
10846         (Archive::Archive_member): New class.
10847         (Archive::members_): New member.
10848         (Archive::num_members_): New member.
10849         * main.cc: Include archive.h.
10850         (main): Call Archive::print_stats.
10851         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10852         archive parameter; member_name is now the fully-decorated name.
10853         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10854         * options.h: (General_options): Add --preread-archive-symbols option.
10855         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10856         Archive::setup.
10857
10858 2008-08-04  Ian Lance Taylor  <iant@google.com>
10859
10860         * symtab.h (Symbol::use_plt_offset): New function.
10861         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10862         * powerpc.cc (Relocate::relocate): Likewise.
10863         * sparc.cc (Relocate::relocate): Likewise.
10864         * x86_64.cc (Relocate::relocate): Likewise.
10865         * testsuite/weak_plt.sh: New test.
10866         * testsuite/weak_plt_main.cc: New test.
10867         * testsuite/weak_plt_shared.cc: New test.
10868         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10869         (check_PROGRAMS): Add weak_plt.
10870         (check_DATA): Add weak_plt_shared.so.
10871         (weak_plt_main_pic.o, weak_plt): New targets.
10872         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10873         * testsuite/Makefile.in: Rebuild.
10874
10875         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10876         gcctestdir/ld.
10877         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10878         * testsuite/Makefile.in: Rebuild.
10879
10880 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10881
10882         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10883         * Makefile.in: Regenerate.
10884         * po/POTFILES.in: Regenerate.
10885
10886 2008-07-29  Ian Lance Taylor  <iant@google.com>
10887
10888         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10889         symbols before other symbols.
10890         * testsuite/script_test_2.cc (test_addr): Declare.
10891         (test_addr_alias): Declare.
10892         (main): Check that test_addr and test_addr_alias have the right
10893         values.
10894         * testsuite/script_test_2.t: Define test_addr_alias and
10895         test_addr.
10896
10897 2008-07-24  Ian Lance Taylor  <iant@google.com>
10898
10899         PR 5990
10900         * descriptors.cc: New file.
10901         * descriptors.h: New file.
10902         * gold-threads.h (class Hold_optional_lock): New class.
10903         * fileread.cc: Include "descriptors.h".
10904         (File_read::~File_read): Release descriptor rather than closing
10905         it.
10906         (File_read::open) [file]: Call open_descriptor rather than open.
10907         Set is_descriptor_opened_.
10908         (File_read::open) [memory]: Assert that descriptor is not open.
10909         (File_read::reopen_descriptor): New function.
10910         (File_read::release): Release descriptor.
10911         (File_read::do_read): Make non-const.  Reopen descriptor.
10912         (File_read::read): Make non-const.
10913         (File_read::make_view): Reopen descriptor.
10914         (File_read::do_readv): Likewise.
10915         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10916         Update declarations.
10917         * layout.cc: Include "descriptors.h".
10918         (Layout::create_build_id): Use open_descriptor rather than open.
10919         * output.cc: Include "descriptors.h".
10920         (Output_file::open): Use open_descriptor rather than open.
10921         * archive.cc (Archive::const_iterator): Change Archive to be
10922         non-const.
10923         (Archive::begin, Archive::end): Make non-const.
10924         (Archive::count_members): Likewise.
10925         * archive.h (class Archive): Update declarations.
10926         * object.h (Object::read): Make non-const.
10927         * Makefile.am (CCFILES): Add descriptors.cc.
10928         (HFILES): Add descriptors.h.
10929         * Makefile.in: Rebuild.
10930
10931         PR 6716
10932         * gold.h: Always include <clocale>.  Add Solaris workarounds
10933         following code in binutils/sysdep.h.
10934
10935         PR 6048
10936         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10937         this->eh_frame_hdr_ is NULL before using it.
10938
10939         * dynobj.cc (Versions::Versions): Update comment.
10940
10941         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10942         the base version name.
10943
10944         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10945         array size plus one.
10946         (Stringpool_template::set_string_offsets): Subtract one from key
10947         before using it as an array index.
10948         (Stringpool_template::get_offset_with_length): Likewise.
10949         (Stringpool_template::write_to_buffer): Likewise.
10950         * stringpool.h (Stringpool_template::get_offset_from_key):
10951         Likewise.
10952
10953 2008-07-23  Ian Lance Taylor  <iant@google.com>
10954
10955         PR 6658
10956         * object.h (Merged_symbol_value::value): Do our best to handle a
10957         negative addend.
10958
10959         PR 6647
10960         * script.cc (Version_script_info::get_versions): Don't add empty
10961         version tag to return value.
10962         (Version_script_info::get_symbol_version_helper): Change return
10963         type to bool.  Add pversion parameter.  Change all callers.
10964         (script_register_vers_node): Don't require a non-NULL tag.
10965         * script.h (class Version_script_info): Update declarations.
10966         (Version_script_info::get_symbol_version): Change return type to
10967         bool.  Add version parameter.  Change all callers.
10968         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10969         handling.  Handle an empty version from a version script.
10970         (Symbol_table::define_special_symbol): Likewise.
10971         * testsuite/ver_test_10.script: New file.
10972         * testsuite/ver_test_10.sh: New file.
10973         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10974         (check_DATA): Add ver_test_10.syms.
10975         (ver_test_10.syms, ver_test_10.so): New target.
10976         * testsuite/Makefile.in: Rebuild.
10977
10978 2008-07-23  Simon Baldwin  <simonb@google.com>
10979
10980         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10981         to zero for undefined symbols from dynamic libraries.
10982
10983 2008-07-23  Ian Lance Taylor  <iant@google.com>
10984
10985         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10986         Change all callers.
10987         * symtab.h (class Symbol_table): Update declaration.
10988         * testsuite/ver_test_9.cc: New file.
10989         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10990         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10991         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10992         (ver_test_9.so, ver_test_9.o): New targets.
10993         * testsuite/Makefile.in: Rebuild.
10994
10995 2008-07-22  Ian Lance Taylor  <iant@google.com>
10996
10997         * options.h (class General_options): Define --check-sections.
10998         * layout.cc (Layout::set_segment_offsets): Handle
10999         --check-sections.
11000
11001         * options.h (class General_options): Define -n/--nmagic and
11002         -N/--omagic.
11003         * options.cc (General_options::finalize): For -n/--nmagic or
11004         -N/--omagic, set -static.
11005         * layout.cc (Layout::attach_allocated_section_to_segment): If
11006         -N/--omagic, don't put read-only and read-write sections in
11007         different segments.
11008         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11009         finding a read-only segment.
11010         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11011         don't set the minimum segment alignment to the common page size,
11012         and don't set the file offset to the address modulo the page size.
11013         * script-sections.cc (Script_sections::create_segments): If
11014         -n/--omagic, don't put read-only and read-write sections in
11015         different segments.
11016
11017         * cref.cc: New file.
11018         * cref.h: New file.
11019         * options.h (class General_options): Add --print-symbol-counts.
11020         * main.cc (main): Issue defined symbol report if requested.
11021         * archive.cc (Archive::interpret_header): Make into a const member
11022         function.
11023         (Archive::add_symbols): Call Input_objects::archive_start and
11024         archive_stop.
11025         (Archive::const_iterator): Define new class.
11026         (Archive::begin, Archive::end): New functions.
11027         (Archive::include_all_members): Rewrite to use iterator.
11028         (Archive::count_members): New function.
11029         * archive.h (class Archive): Update declarations.
11030         (Archive::filename): New function.
11031         * object.cc: Include "cref.h".
11032         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11033         (Sized_relobj::do_get_global_symbol_counts): New function.
11034         (Input_objects::add_object): Add object to cross-referencer.
11035         (Input_objects::archive_start): New function.
11036         (Input_objects::archive_stop): New function.
11037         (Input_objects::print_symbol_counts): New function.
11038         * object.h: Declare Cref and Archive.
11039         (Object::get_global_symbol_counts): New function.
11040         (Object::do_get_global_symbol_counts): New pure virtual function.
11041         (class Sized_relobj): Add defined_count_ field.  Update
11042         declarations.
11043         (class Input_objects): Add cref_ field.  Update constructor.
11044         Update declarations.
11045         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11046         defined_count_.
11047         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11048         symbol counts.
11049         (Sized_dynobj::do_get_global_symbol_counts): New function.
11050         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11051         defined_count_.  Update declarations.  Define Symbols typedef.
11052         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11053         parameter.  Change all callers.
11054         (Symbol_table::add_from_dynobj): Add sympointers and defined
11055         parameters.  Change all callers.
11056         * symtab.h (class Symbol_table): Update declarations.
11057         * Makefile.am (CCFILES): Add cref.cc.
11058         (HFILES): Add cref.h.
11059         * Makefile.in: Rebuild.
11060
11061 2008-07-22  Simon Baldwin  <simonb@google.com>
11062
11063         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11064         to zero when writing undefined symbols.
11065
11066 2008-07-22  Ian Lance Taylor  <iant@google.com>
11067
11068         * output.cc (Output_section::add_input_section): Don't try to
11069         merge empty merge sections.
11070
11071 2008-07-21  Craig Silverstein  <csilvers@google.com>
11072
11073         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11074         Include symbol version in error message.
11075
11076 2008-07-20  Chris Demetriou  <cgd@google.com>
11077
11078         * configure.ac (gold_cv_c_random_seed): New configured variable.
11079         (RANDOM_SEED_CFLAGS): New substituted variable.
11080         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11081         * configure: Rebuild.
11082         * Makefile.in: Likewise.
11083         * testsuite/Makefile.in: Likewise.
11084
11085 2008-07-18  Ian Lance Taylor  <iant@google.com>
11086
11087         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11088         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11089         * testsuite/ver_test_main.cc (main): Call t4.
11090         (t4, t4_2a): Define.
11091         * testsuite/ver_test_2.cc (t4_2): Define.
11092         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11093         * testsuite/ver_test_4.cc (t4_2a): Define.
11094         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11095         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11096
11097 2008-07-17  Ian Lance Taylor  <iant@google.com>
11098
11099         * dynobj.cc (Versions::add_def): If we give an error about a
11100         missing version, go ahead and create the version anyhow.
11101
11102 2008-07-10  Ian Lance Taylor  <iant@google.com>
11103
11104         Handle output sections with more than 0x7fffffff bytes.
11105         * object.h (class Relobj): Change map_to_output_ to
11106         output_sections_, and just keep a section pointer.  Change all
11107         uses.  Move comdat group support to Sized_relobj.
11108         (Relobj::is_section_specially_mapped): Remove.
11109         (Relobj::output_section): Remove poff parameter.  Change all
11110         callers.
11111         (Relobj::output_section_offset): New function.
11112         (Relobj::set_section_offset): Rewrite.
11113         (Relobj::map_to_output): Remove.
11114         (Relobj::output_sections): New function.
11115         (Relobj::do_output_section_offset): New pure virtual function.
11116         (Relobj::do_set_section_offset): Likewise.
11117         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11118         group support from Relobj.  Update declarations.
11119         (Sized_relobj::get_output_section_offset): New function.
11120         (Sized_relobj::do_output_section_offset): New function.
11121         (Sized_relobj::do_set_section_offset): New function.
11122         * object.cc (Relobj::output_section_address): Remove.
11123         (Sized_relobj::Sized_relobj): Initialize new fields.
11124         (Sized_relobj::include_section_group): Cast find_kept_object to
11125         Sized_relobj.
11126         (Sized_relobj::include_linkonce_section): Likewise.
11127         (Sized_relobj::do_layout): Use separate arrays for output section
11128         and output offset.
11129         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11130         output_sections.
11131         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11132         output_sections and section_offsets.
11133         (Sized_relobj::write_local_symbols): Likewise.
11134         (map_to_kept_section): Compute output address directly.
11135         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11136         output_sections and section_offsets.
11137         (Sized_relobj::write_sections): Likewise.
11138         (Sized_relobj::relocate_sections): Likewise.
11139         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11140         * output.h (class Output_reloc): Update declarations.  Change
11141         u2_.relobj to Sized_relobj*.
11142         (class Output_data_reloc): Change add functions to use
11143         Sized_relobj*.
11144         * output.cc (Output_reloc::Output_reloc): Change relobj to
11145         Sized_relobj*.
11146         (Output_reloc::local_section_offset): Change return type to
11147         Elf_Addr.  Use get_output_section_offset.
11148         (Output_reloc::get_address): Likewise.
11149         (Output_section::is_input_address_mapped): Don't call
11150         is_section_specially_mapped.
11151         (Output_section::output_offset): Likewise.
11152         (Output_section::output_address): Likewise.
11153         (Output_section::starting_output_address): Likewise.
11154         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11155         parameter to Sized_relobj*.
11156         (Copy_relocs::need_copy_reloc): Likewise.
11157         (Copy_relocs::save): Likewise.
11158         * copy-relocs.h (class Copy_relocs): Update declarations.
11159         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11160         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11161         * target-reloc.h (relocate_for_relocatable): Change
11162         offset_in_output_section type to Elf_Addr.  Change code that uses
11163         it as well.
11164         * layout.cc (Layout::layout): Always set *off.
11165         * mapfile.cc (Mapfile::print_input_section): Use
11166         output_section_offset.
11167         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11168         Sized_relobj*.
11169         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11170         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11171         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11172
11173 2008-07-03  Ian Lance Taylor  <iant@google.com>
11174
11175         * layout.cc (Layout::include_section): Do not discard unrecognized
11176         SHT_STRTAB sections.
11177
11178 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11179
11180         * script.cc (Lex::can_continue_name): Make '?' allowable in
11181         version-script names.
11182         * testsuite/version_script.map: Change glob pattern to use '?'
11183
11184 2008-06-30  Manish Singh  <yosh@gimp.org>
11185
11186         PR 6585
11187         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11188         Correct typo.
11189
11190 2008-06-30  Ian Lance Taylor  <iant@google.com>
11191
11192         PR 6660
11193         PR 6682
11194         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11195         versions]: Don't try to read the value in the contents, since we
11196         don't use it.  Use the template endianness when writing.
11197
11198 2008-06-25  Cary Coutant  <ccoutant@google.com>
11199
11200         * fileread.cc (File_read::make_view): Assert on zero-length view.
11201         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11202         symbol table when there are no symbols to read.
11203
11204 2008-06-23  Craig Silverstein  <csilvers@google.com>
11205
11206         * version.cc (version_string): Bump to 1.7
11207
11208 2008-06-18  Craig Silverstein  <csilvers@google.com>
11209
11210         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11211         constant 0xFFFF to type Valtype.
11212         (Powerpc_relocate_functions::rel16_ha): Likewise.
11213
11214 2008-06-17  Ian Lance Taylor  <iant@google.com>
11215
11216         * output.h (Output_section::Input_section): Initialize p2align_ to
11217         zero for Output_section_data constructors.
11218         (Output_section::Input_section::addralign): If not an input
11219         section, return the alignment of the Output_section_data.
11220         * testsuite/copy_test.cc: New file.
11221         * testsuite/copy_test_1.cc: New file.
11222         * testsuite/copy_test_2.cc: New file.
11223         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11224         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11225         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11226         (copy_test_1_pic.o, copy_test_1.so): New targets.
11227         (copy_test_2_pic.o, copy_test_2.so): New targets.
11228         * testsuite/Makefile.in: Rebuild.
11229
11230         * script-sections.cc (Script_sections::place_orphan): Initialize
11231         local variable exact.
11232
11233 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11234
11235         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11236
11237 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11238             David S. Miller  <davem@davemloft.net>
11239
11240         * powerpc.cc: New file.
11241         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11242         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11243         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11244         * Makefile.in: Rebuild.
11245
11246 2008-06-09  Ian Lance Taylor  <iant@google.com>
11247
11248         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11249         <exception>.
11250         (throwing, orig_terminate): New static variables.
11251         (terminate_handler): New static function.
11252         (t2): Set terminate handler.
11253
11254 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11255
11256         PR 6584
11257         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11258         alignment.
11259
11260 2008-05-30  Cary Coutant  <ccoutant@google.com>
11261
11262         * archive.cc (Archive::include_all_members) Correct to step
11263         over symbol table and extended name table in thin archives.
11264
11265 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11266
11267         PR 6407
11268         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11269         calculation.
11270
11271 2008-05-28  Caleb Howe  <cshowe@google.com>
11272
11273         * reduced_debug_output.cc: New file.
11274         * reduced_debug_output.h: New file.
11275         * options.h (class General_options): Add --strip-debug-non-line.
11276         * options.cc (General_options::finalize): Add strip_debug_non_line
11277         to the strip heirarchy.
11278         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11279         fields.
11280         * layout.cc: Include "reduced_debug_output.h".
11281         (Layout::Layout): Initialize new fields.
11282         (line_only_debug_sections): New static array.
11283         (is_lines_only_debug_sections): New static inline function.
11284         (Layout::include_section): Handle --strip-debug-non-line.
11285         (Layout::make_output_section): If --strip-debug-non-line, build
11286         new output sections for .debug_abbrev and .debug_info.
11287         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11288         gold.  Warn about possible overflow.
11289         (read_signed_LEB_128): Likewise.
11290         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11291         (read_signed_LEB_128): Declare.
11292         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11293         (HFILES): Add reduced_debug_output.h.
11294         * Makefile.in: Rebuild.
11295
11296 2008-05-21  Ian Lance Taylor  <iant@google.com>
11297
11298         * mapfile.cc: New file.
11299         * mapfile.h: New file.
11300         * options.h (class General_options): Add -M/--print-map and -Map.
11301         * options.cc (General_options::finalize): Make -M equivalent to
11302         -Map -.
11303         * main.cc: Include <cstdio> and "mapfile.h".
11304         (main): Open mapfile if requested.
11305         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11306         constructor.  Change caller.
11307         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11308         (queue_middle_tasks): Likewise.
11309         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11310         declarations.
11311         * archive.cc: Include "mapfile.h".
11312         (Archive::add_symbols): Add mapfile parameter.  Change all
11313         callers.  Pass mapfile, symbol, and reason to include_member.
11314         (Archive::include_all_members): Add mapfile parameter.  Change all
11315         callers.
11316         (Archive::include_member): Add mapfile, sym, and why parameters.
11317         Change all callers.  Report inclusion to map file.
11318         * archive.h: Include "fileread.h".
11319         (class Archive): Update declarations.
11320         (Archive::file): New const method.
11321         (class Add_archive_symbols): Add mapfile_ field.  Update
11322         constructor.  Change all callers.
11323         * readsyms.h (class Read_symbols): Likewise.
11324         (class Finish_group): Likewise.
11325         (class Read_script): Likewise.
11326         * common.cc: Include "mapfile.h".
11327         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11328         all callers.
11329         (Symbol_table::do_allocate_commons): Likewise.
11330         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11331         symbol allocation to mapfile.
11332         * common.h (class Allocate_commons_task): Add mapfile_ field.
11333         Update constructor.  Change all callers.
11334         * symtab.h (class Symbol_table): Update declarations.
11335         * layout.cc: Include "mapfile.h".
11336         (Layout_task_runner::run): Print information to mapfile.
11337         (Layout::create_gold_note): Change Output_data_fixed_space to
11338         Output_data_zero_fill.
11339         (Layout::create_build_id): Likewise.
11340         (Layout::print_to_mapfile): New function.
11341         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11342         constructor.  Change caller.
11343         (class Layout): Declare print_to_mapfile.
11344         * output.cc (Output_section::Input_section::print_to_mapfile): New
11345         function.
11346         (Output_section::add_input_section): If producing a map, always
11347         add to input_sections_ list.
11348         (Output_section::do_print_to_mapfile): New function.
11349         (Output_segment::print_sections_to_mapfile): New function.
11350         (Output_segment::print_section_list_to_mapfile): New function.
11351         * output.h: Include "mapfile.h".
11352         (Output_data::print_to_mapfile): New function.
11353         (Output_data::do_print_to_mapfile): New virtual function.
11354         (Output_segment_headers::do_print_to_mapfile): New function.
11355         (Output_file_header::do_print_to_mapfile): New function.
11356         (Output_data_const::do_print_to_mapfile): New function.
11357         (class Output_data_const_buffer): Add map_name_ field.  Update
11358         constructor.  Change all callers.  Add do_print_to_mapfile
11359         function.
11360         (class Output_data_fixed_space): Likewise.
11361         (class Output_data_space): Likewise.
11362         (class Output_data_zero_fill): New class.
11363         (Output_data_strtab::do_print_to_mapfile): New function.
11364         (Output_data_reloc_base::do_print_to_mapfile): New function.
11365         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11366         (Output_data_group::do_print_to_mapfile): New function.
11367         (Output_data_got::do_print_to_mapfile): New function.
11368         (Output_data_dynamic::do_print_to_mapfile): New function.
11369         (Output_symtab_xindex::do_print_to_mapfile): New function.
11370         (class Output_section): Declare do_print_to_mapflie.  Declare
11371         print_to_mapfile in Input_section.
11372         (class Output_segment): Declare new functions.
11373         * object.h (Sized_relobj::symbol_count): New function.
11374         * script-sections.cc
11375         (Output_section_element_dot_assignment::set_section_addresses):
11376         Change Output_data_fixed_space to Output_data_zero_fill.
11377         (Output_data_expression::do_print_to_mapfile): New function.
11378         * script.cc (read_input_script): Add mapfile parameter.  Change
11379         all callers.
11380         * script.h (read_input_script): Update declaration.
11381         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11382         (Eh_frame::do_print_to_mapfile): New function.
11383         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11384         (Output_merge_string::do_print_to_mapfile): New function.
11385         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11386         function.
11387         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11388         function.
11389         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11390         function.
11391         * Makefile.am (CCFILES): Add mapfile.cc.
11392         (HFILES): Add mapfile.h.
11393         * Makefile.in: Rebuild.
11394
11395 2008-05-19  Ian Lance Taylor  <iant@google.com>
11396
11397         * options.h (class General_options): Add -z relro.
11398         * layout.cc (Layout::Layout): Initialize relro_segment_.
11399         (Layout::add_output_section_data): Return the output section.
11400         (Layout::make_output_section): Rcognize relro sections and mark
11401         them appropriately.
11402         (Layout::attach_allocated_section_to_segment): Put relro sections
11403         in a PT_GNU_RELRO segment.
11404         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11405         section as relro.
11406         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11407         PT_TLS segments.
11408         (Layout::linkonce_mapping): Map d.rel.ro.local to
11409         .data.rel.ro.local.
11410         (Layout::output_section_name): Us .data.rel.ro.local for any
11411         section which begins with that.
11412         * layout.h (class Layout): Update add_output_section_data
11413         declaration.  Add relro_segment_ field.
11414         * output.cc (Output_section::Output_section): Initialize is_relro_
11415         and is_relro_local_ fields.
11416         (Output_segment::add_output_section): Group relro sections.
11417         (Output_segment::is_first_section_relro): New function.
11418         (Output_segment::maximum_alignment): If there is a relro section,
11419         align the segment to the common page size.
11420         (Output_segment::set_section_addresses): Track whether we are
11421         looking at relro sections.  If the last section is a relro
11422         section, align to the common page size.
11423         (Output_segment::set_section_list_addresses): Add in_relro
11424         parameter.  Change all callers.  Align to the page size when
11425         moving from relro to non-relro section.
11426         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11427         segment.
11428         * output.h (class Output_section): Add is_relro_ and
11429         is_relro_local_ fields.
11430         (Output_section::is_relro): New function.
11431         (Output_section::set_is_relro): New function.
11432         (Output_section::is_relro_local): New function.
11433         (Output_section::set_is_relro_local): New function.
11434         (class Output_segment): Update declarations.
11435         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11436         * sparc.cc (Target_sparc::got_section): Likewise.
11437         * x86_64.cc (Target_x86_64::got_section): Likewise.
11438         * testsuite/relro_test_main.cc: New file.
11439         * testsuite/relro_test.cc: New file.
11440         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11441         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11442         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11443         (relro_test.so, relro_test_pic.o): New targets.
11444         * testsuite/Makefile.in: Rebuild.
11445
11446 2008-05-16  Ian Lance Taylor  <iant@google.com>
11447
11448         * output.cc (Output_segment::add_output_section): Remove front
11449         parameter.
11450         * output.h (class Output_segment): Remove
11451         add_initial_output_section and overloaded add_output_section.
11452         Update declaration of remaining add_output_section.
11453         * layout.cc (Layout::create_interp): Call add_output_section
11454         rather than add_initial_output_section.
11455         (Layout::finish_dynamic_section): Likewise.
11456
11457         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11458         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11459         know the dynamic type.
11460         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11461         field.  Initialize it in constructor.
11462         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11463         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11464         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11465         reloc.
11466
11467         * output.cc (Output_reloc::get_address): Change return type to
11468         Elf_Addr.
11469         * output.h (class Output_reloc): Update get_address declaration.
11470         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11471         for section addresses.
11472
11473 2008-05-09  Ian Lance Taylor  <iant@google.com>
11474
11475         PR 6493
11476         * gold.cc (gold_nomem): Use return value of write.
11477
11478 2008-05-08  Ian Lance Taylor  <iant@google.com>
11479
11480         * symtab.c (Symbol::init_base_output_data): Add version
11481         parameter.  Change all callers.
11482         (Symbol::init_base_output_segment): Likewise.
11483         (Symbol::init_base_constant): Likewise.
11484         (Symbol::init_base_undefined): Likewise.
11485         (Sized_symbol::init_output_data): Likewise.
11486         (Sized_symbol::init_output_segment): Likewise.
11487         (Sized_symbol::init_constant): Likewise.
11488         (Sized_symbol::init_undefined): Likewise.
11489         (Symbol_table::do_define_in_output_data): If the new symbol has a
11490         version, mark it as the default.
11491         (Symbol_table::do_define_in_output_segment): Likewise.
11492         (Symbol_table::do_define_as_constant): Likewise.
11493         * symtab.h (class Symbol): Update declarations.
11494         (class Sized_symbol): Likewise.
11495         * resolve.cc (Symbol::override_version): New function.
11496         (Symbol::override_base): Call override_version.
11497         (Symbol::override_base_with_special): Likewise.
11498         * testsuite/ver_script_8.script: New file.
11499         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11500         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11501         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11502         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11503
11504 2008-05-06  Ian Lance Taylor  <iant@google.com>
11505
11506         PR 6049
11507         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11508         functions.
11509         (class General_options): Remove existing --undefined, and add
11510         --no-undefined instead.  Add new --undefined as synonym for -u.
11511         * archive.cc (Archive::add_symbols): Check whether symbol was
11512         named with -u.
11513         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11514         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11515         all uses.  Add IS_UNDEFINED.  Update declarations to split
11516         different versions of init_base.  Declare init_base_undefined.
11517         (Symbol::is_defined): Handle IS_UNDEFINED.
11518         (Symbol::is_undefined): Likewise.
11519         (Symbol::is_weak_undefined): Call is_undefined.
11520         (Symbol::is_absolute): Handle IS_CONSTANT.
11521         (class Sized_symbol): Update declarations to split different
11522         versions of init.  Declare init_undefined.
11523         (class Symbol_table): Declare new functions.
11524         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11525         Change all callers.
11526         (Symbol::init_base_output_data): Likewise.
11527         (Symbol::init_base_output_segment): Likewise.
11528         (Symbol::init_base_constant): Likewise.
11529         (Symbol::init_base_undefined): New function.
11530         (Sized_symbol::init_object): Rename from init.  Change all
11531         callers.
11532         (Sized_symbol::init_output_data): Likewise.
11533         (Sized_symbol::init_output_segment): Likewise.
11534         (Sized_symbol::init_constant): Likewise.
11535         (Sized_symbol::init_undefined): New function.
11536         (Symbol_table::add_undefined_symbols_from_command_line): New
11537         function.
11538         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11539         function.
11540         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11541         (Symbol::output_section): Likewise.
11542         (Symbol::set_output_section): Likewise.
11543         (Symbol_table::sized_finalize_symbol): Likewise.
11544         (Symbol_table::sized_write_globals): Likewise.
11545         * resolve.cc (Symbol_table::should_override): Likewise.
11546         (Symbol::override_base_with_special): Likewise.
11547
11548         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11549         symbol, change it to have default visibility.
11550         * testsuite/protected_1.cc: New file.
11551         * testsuite/protected_2.cc: New file.
11552         * testsuite/protected_3.cc: New file.
11553         * testsuite/protected_main_1.cc: New file.
11554         * testsuite/protected_main_2.cc: New file.
11555         * testsuite/protected_main_3.cc: New file.
11556         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11557         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11558         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11559         (protected_1.so): New target.
11560         (protected_1_pic.o, protected_2_pic.o): New targets.
11561         (protected_3_pic.o): New target.
11562         (check_PROGRAMS): Add protected_2.
11563         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11564         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11565         * testsuite/Makefile.in: Rebuild.
11566
11567         * options.h (DEFINE_var): Add set_user_set_##varname__.
11568         (DEFINE_bool_alias): New macro.
11569         (class General_options): Define -Bstatic using DEFINE_bool_alias
11570         rather than DEFINE_special.  Add --undefined as an alias for -z
11571         defs.
11572         * options.cc (General_options::parse_Bstatic): Remove.
11573
11574         * options.h (class General_options): Add --fatal-warnings.
11575         * main.cc (main): Implement --fatal-warnings.
11576         * errors.h (Errors::warning_count): New function.
11577
11578         * options.h (class General_options): Add -Bsymbolic-functions.
11579         * symtab.h (Symbol::is_preemptible): Check for
11580         -Bsymbolic-functions.
11581
11582 2008-05-05  Ian Lance Taylor  <iant@google.com>
11583
11584         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11585         as noVARNAME rather than no-VARNAME.
11586         (class General_options): Add option -z combreloc.
11587         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11588         get_address.
11589         (Output_reloc::sort_before) [SHT_REL]: New function.
11590         (Output_reloc::sort_before) [SHT_RELA]: New function.
11591         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11592         Sort_relocs_comparison.
11593         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11594         parameter.  Change all callers.
11595         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11596         sort_relocs parameter.  Change all callers.
11597         * output.cc (Output_reloc::get_address): New function, broken out
11598         of write_rel.
11599         (Output_reloc::write_rel): Call it.
11600         (Output_reloc::compare): New function.
11601         (Output_data_reloc_base::do_write): Optionally sort relocs.
11602
11603         * configure.ac: If targ_extra_obj is set, link it in.
11604         * configure.tgt: Initialize all variables.
11605         (x86_64*): Set targ_extra_obj and targ_extra_size.
11606         * configure: Rebuild.
11607
11608         * object.cc (Sized_relobj::include_section_group): Adjust section
11609         indexes read from group data.  Build vector to pass to
11610         layout_group.
11611         * layout.cc (Layout::layout_group): Add flags and shndxes
11612         parameters.  Remove contents parameter.  Change caller.  Update
11613         explicit instantiations.
11614         * layout.h (class Layout): Update layout_group declaration.
11615         * output.cc (Output_data_group::Output_data_group): Add flags and
11616         input_shndxes parameters.  Remove contents parameter.  Change
11617         caller.
11618         (Output_data_group::do_write): Change input_sections_ to
11619         input_shndxes_.
11620         * output.h (class Output_data_group): Update constructor
11621         declaration.  Rename input_sections_ to input_shndxes_.
11622         * testsuite/many_sections_test.cc: Add template.
11623
11624 2008-04-30  Cary Coutant  <ccoutant@google.com>
11625
11626         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11627
11628         * layout.cc (Layout::include_section): Refactored check for debug
11629         info section.
11630         (Layout::add_comdat): Add new parameters.  Change type
11631         of signature parameter.  Add object and shndx to signatures table.
11632         (Layout::find_kept_object): New function.
11633         * layout.h: Include <cstring>.
11634         (Layout::is_debug_info_section): New function.
11635         (Layout::add_comdat): Add new parameters.
11636         (Layout::find_kept_object): New function.
11637         (Layout::Kept_section): New struct.
11638         (Layout::Signatures): Change type of map range.
11639         * object.cc (Relobj::output_section_address): New function.
11640         (Sized_relobj::include_section_group): Add new parameters.  Change
11641         calls to Layout::add_comdat.  Change to build table of kept comdat
11642         groups and table mapping discarded sections to kept sections.
11643         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11644         (Sized_relobj::do_layout): Change calls to include_section_group and
11645         include_linkonce_section.
11646         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11647         value to zero when section is discarded.
11648         (Sized_relobj::map_to_kept_section): New function.
11649         * object.h (Relobj::output_section_address): New function.
11650         (Relobj::Comdat_group): New type.
11651         (Relobj::find_comdat_group): New function.
11652         (Relobj::Comdat_group_table): New type.
11653         (Relobj::Kept_comdat_section): New type.
11654         (Relobj::Kept_comdat_section_table): New type.
11655         (Relobj::add_comdat_group): New function.
11656         (Relobj::set_kept_comdat_section): New function.
11657         (Relobj::get_kept_comdat_section): New function.
11658         (Relobj::comdat_groups_): New field.
11659         (Relobj::kept_comdat_sections_): New field.
11660         (Symbol_value::input_value): Update comment.
11661         (Sized_relobj::map_to_kept_section) New function.
11662         (Sized_relobj::include_linkonce_section): Add new parameter.
11663         * target-reloc.h (Comdat_behavior): New type.
11664         (get_comdat_behavior): New function.
11665         (relocate_section): Add code to map a discarded section to the
11666         corresponding kept section when applying a relocation.
11667
11668 2008-04-30  Craig Silverstein  <csilvers@google.com>
11669
11670         * dwarf_reader.cc (next_generation_count): New static var.
11671         (Addr2line_cache_entry): New struct.
11672         (addr2line_cache): New static var.
11673         (Dwarf_line_info::one_addr2line): Added caching.
11674         (Dwarf_line_info::clear_addr2line_cache): New function.
11675         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11676         cache-size parameter.
11677         (Dwarf_line_info::one_addr2line_cache): New function.
11678         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11679         new cache-size argument to one_addr2line(), and clear cache.
11680
11681 2008-04-28  Cary Coutant  <ccoutant@google.com>
11682
11683         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11684         R_386_PC8 relocations.
11685
11686 2008-04-23  Ian Lance Taylor  <iant@google.com>
11687
11688         * object.cc (Sized_relobj::include_section_group): Check for
11689         invalid section group.
11690
11691         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11692         header size.
11693
11694         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11695         than read for file header.
11696         * archive.cc (Archive::include_member): Likewise.
11697
11698 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11699
11700         * aclocal.m4: Regenerate.
11701         * configure: Regenerate.
11702
11703 2008-04-19  Ian Lance Taylor  <iant@google.com>
11704
11705         * version.cc (version_string): Bump to 1.6.
11706
11707         * testsuite/Makefile.am (many_sections_r_test): New target.
11708         (many_sections_r_test_SOURCES): Remove.
11709         (many_sections_r_test_DEPENDENCIES): Remove.
11710         (many_sections_r_test_LDFLAGS): Remove.
11711         (many_sections_r_test_LDADD): Remove.
11712
11713         * object.cc (Sized_relobj::do_add_symbols): Always pass
11714         local_symbol_count_ to add_from_relobj.
11715
11716         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11717         every thousand variables.
11718         * testsuite/Makefile.in: Rebuild.
11719
11720         * object.cc (Xindex::initialize_symtab_xindex): New function.
11721         (Xindex::read_symtab_xindex): New function.
11722         (Xindex::sym_xindex_to_shndx): New function.
11723         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11724         available.
11725         (Sized_relobj::do_initialize_xindex): New function.
11726         (Sized_relobj::do_read_symbols): Adjust section links.
11727         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11728         parameter.  Change all callers.
11729         (Sized_relobj::include_section_group): Adjust section links and
11730         symbol section indexes.
11731         (Sized_relobj::do_layout): Adjust section links.
11732         (Sized_relobj::do_count_local_symbols): Adjust section links and
11733         symbol section indexes.
11734         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11735         ordinary and special symbols.
11736         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11737         dynsym_xindex parameters.  Change all callers.  Adjust section
11738         links.  Use SHN_XINDEX when needed.
11739         (Sized_relobj::get_symbol_location_info): Adjust section links.
11740         Don't get fooled by special symbols.
11741         * object.h (class Xindex): Define.
11742         (class Object): Add xindex_ parameter.  Declare virtual functoin
11743         do_initialize_xindex.
11744         (Object::adjust_sym_shndx): New function.
11745         (Object::set_xindex): New protected function.
11746         (class Symbol_value): Add is_ordinary_shndx_ field.
11747         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11748         (Symbol_value::value): Assert ordinary section.
11749         (Symbol_value::initialize_input_to_output_map): Likewise.
11750         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11751         Change all callers.
11752         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11753         all callers.
11754         (class Sized_relobj): Update declarations.
11755         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11756         parameter.  Change all callers.
11757         (Sized_relobj::adjust_shndx): New function.
11758         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11759         field.
11760         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11761         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11762         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11763         (Sized_dynobj::read_dynsym_section): Adjust section links.
11764         (Sized_dynobj::read_dynamic): Likewise.
11765         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11766         section links.
11767         (Sized_dynobj::do_initialize_xindex): New function.
11768         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11769         do_initialize_xindex.
11770         (Sized_dynobj::adjust_shndx): New function.
11771         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11772         dynsym_xindex_ fields.
11773         (Layout::finalize): Add a call to set_section_indexes before
11774         creating the symtab sections.
11775         (Layout::set_section_indexes): Don't do anything if the section
11776         already has a section index.
11777         (Layout::create_symtab_sections): Add shnum parameter.  Change
11778         caller.  Create .symtab_shndx section if needed.
11779         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11780         caller.
11781         (Layout::allocated_output_section_count): New function.
11782         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11783         needed.
11784         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11785         fields.  Update declarations.
11786         (Layout::symtab_xindex): New function.
11787         (Layout::dynsym_xindex): New function.
11788         (class Write_symbols_task): Add layout_ field.
11789         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11790         Change caller.
11791         * output.cc (Output_section_headers::Output_section_headers): Add
11792         shstrtab_section parameter.  Change all callers.
11793         (Output_section_headers::do_sized_write): Store overflow values
11794         for section count and section string table section index in
11795         section header zero.
11796         (Output_file_header::do_sized_write): Check for overflow of
11797         section count and section string table section index.
11798         (Output_symtab_xindex::do_write): New function.
11799         (Output_symtab_xindex::endian_do_write): New function.
11800         * output.h (class Output_section_headers): Add shstrtab_section_.
11801         Update declarations.
11802         (class Output_symtab_xindex): Define.
11803         (Output_section::has_out_shndx): New function.
11804         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11805         field.
11806         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11807         Change all callers.
11808         (Sized_symbol::init): Likewise.
11809         (Symbol::output_section): Check for ordinary symbol.
11810         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11811         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11812         callers.
11813         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11814         Change all callers.  Simplify handling of symbols from sections
11815         not included in the link.
11816         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11817         distinction.
11818         (Weak_alias_sorter::operator()): Assert that symbols are
11819         ordinary.
11820         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11821         distinction.
11822         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11823         parameters.  Change all callers.
11824         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11825         symbol distinction.  Use SHN_XINDEX when needed.
11826         (Symbol_table::write_section_symbol): Add symtab_xindex
11827         parameter.  Change all callers.
11828         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11829         SHN_XINDEX when needed.
11830         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11831         declarations.
11832         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11833         (Symbol::is_defined): Check is_ordinary.
11834         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11835         (Symbol::is_absolute, Symbol::is_common): Likewise.
11836         (class Sized_symbol): Update declarations.
11837         (class Symbol_table): Update declarations.
11838         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11839         parameters.  Change all callers.
11840         (Sized_symbol::override): Likewise.
11841         (Symbol_table::override): Likewise.
11842         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11843         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11844         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11845         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11846         to be in an ordinary section.
11847         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11848         object and is_ordinary parameters.  Change all callers.
11849         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11850         Change all callers.  Don't add undefined or non-ordinary symbols
11851         to reloc_map_.
11852         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11853         Change all callers.
11854         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11855         declarations.
11856         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11857         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11858         (Sized_relobj::relocate_sections): Likewise.
11859         * target-reloc.h (scan_relocs): Adjust section symbol index.
11860         (scan_relocatable_relocs): Likewise.
11861         * i386.cc (Scan::local): Check for ordinary symbols.
11862         * sparc.cc (Scan::local): Likewise.
11863         * x86_64.cc (Scan::local): Likewise.
11864         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11865         to symbol_section_and_value.
11866         * testsuite/many_sections_test.cc: New file.
11867         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11868         (check_PROGRAMS): Add many_sections_test.
11869         (many_sections_test_SOURCES): Define.
11870         (many_sections_test_DEPENDENCIES): Define.
11871         (many_sections_test_LDFLAGS): Define.
11872         (BUILT_SOURCES): Add many_sections_define.h.
11873         (many_sections_define.h): New target.
11874         (BUILT_SOURCES): Add many_sections_check.h.
11875         (many_sections_check.h): New target.
11876         (check_PROGRAMS): Add many_sections_r_test.
11877         (many_sections_r_test_SOURCES): Define.
11878         (many_sections_r_test_DEPENDENCIES): Define.
11879         (many_sections_r_test_LDFLAGS): Define.
11880         (many_sections_r_test_LDADD): Define.
11881         (many_sections_r_test.o): New target.
11882         * testsuite/Makefile.in: Rebuild.
11883
11884 2008-04-17  Cary Coutant  <ccoutant@google.com>
11885
11886         * errors.cc (Errors::info): New function.
11887         (gold_info): New function.
11888         * errors.h (Errors::info): New function.
11889         * gold.h (gold_info): New function.
11890         * object.cc (Input_objects::add_object): Print trace output.
11891         * options.cc (options::parse_set): New function.
11892         (General_options::parse_wrap): Deleted.
11893         (General_options::General_options): Deleted initializer.
11894         * options.h (options::String_set): New typedef.
11895         (options::parse_set): New function.
11896         (DEFINE_set): New macro.
11897         (General_options::wrap): Changed to use DEFINE_set. Changed
11898         callers of any_wrap_symbols and is_wrap_symbol.
11899         (General_options::trace, General_options::trace_symbol):
11900         New options.
11901         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11902         (General_options::wrap_symbols_): Deleted.
11903         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11904
11905 2008-04-17  David S. Miller  <davem@davemloft.net>
11906
11907         * options.cc (General_options::parse_V): New function.
11908         * options.h: Add entries for -V and -Qy.
11909
11910 2008-04-17  Ian Lance Taylor  <iant@google.com>
11911
11912         * common.cc (Symbol_table::allocate_commons): Remove options
11913         parameter.  Change caller.
11914         (Symbol_table::do_allocate_commons): Remove options parameter.
11915         Change caller.  Just call do_allocate_commons_list twice.
11916         (Symbol_table::do_allocate_commons_list): New function, broken out
11917         of do_allocate_commons.
11918         * common.h (class Allocate_commons_task): Remove options_ field.
11919         Update constructor.
11920         * symtab.cc (Symbol_table::Symbol_table): Initialize
11921         tls_commons_.
11922         (Symbol_table::add_from_object): Put TLS common symbols on
11923         tls_commons_ list.
11924         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11925         which are IN_OUTPUT_DATA.
11926         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11927         allocate_commons and do_allocate_commons declarations.  Declare
11928         do_allocate_commons_list.
11929         * gold.cc (queue_middle_tasks): Update creation of
11930         Allocate_commons_task to not pass options.
11931         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11932         (TLS_TEST_C_FLAGS): New variable.
11933         (tls_test_c_pic.o): New target.
11934         (tls_test_shared.so): Link in tls_test_c_pic.o.
11935         (tls_test_c_pic_ie.o): New target.
11936         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11937         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11938         (tls_test_c.o): New target.
11939         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11940         (tls_pic_test_LDADD): Likewise.
11941         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11942         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11943         (tls_test_c_gnu2.o): New target.
11944         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11945         tls_test_c_gnu2.o.
11946         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11947         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11948         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11949         * testsuite/tls_test.cc: Include "config.h".
11950         (t_last): Call t11_last.
11951         * testsuite/tls_test.h (t11, t11_last): Declare.
11952         * testsuite/tls_test_c.c: New file.
11953         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11954         * configure.ac: Check for OpenMP support.
11955         * configure, config.in, Makefile.in: Rebuild.
11956         * testsuite/Makefile.in: Rebuild.
11957
11958 2008-04-16  Cary Coutant  <ccoutant@google.com>
11959
11960         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11961         (Target_i386::tls_base_symbol_defined_): New field.
11962         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11963         (Target_i386::Scan::global): Likewise.
11964         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11965         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11966         (Target_x86_64::tls_base_symbol_defined_): New field.
11967         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11968         (Target_x86_64::Scan::global): Likewise.
11969
11970 2008-04-16  Cary Coutant  <ccoutant@google.com>
11971
11972         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11973         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11974         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11975         building shared libraries.
11976         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11977         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11978         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11979         * testsuite/Makefile.in: Rebuild.
11980         * testsuite/weak_undef.h: New file.
11981         * testsuite/weak_undef_file1.cc: Add extra test cases.
11982         * testsuite/weak_undef_file2.cc: Likewise.
11983         * testsuite/weak_undef_test.cc: Likewise.
11984
11985 2008-04-16  David S. Miller  <davem@davemloft.net>
11986
11987         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11988         Add issued_non_pic_error_ field.  Declare check_non_pic.
11989         (Target_sparc::Scan::check_non_pic): New function.
11990         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11991         (Target_sparc::Scan::global): Likewise.
11992
11993         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11994         * configure: Rebuild.
11995
11996         * options.h (DEFINE_enable): New macro.
11997         (new_dtags): New enable option.
11998         (initfirst, interpose, loadfltr, nodefaultlib,
11999         nodelete, nodlopen, nodump): New -z options.
12000         * layout.cc (Layout:finish_dynamic_section): If new
12001         dtags enabled, emit DT_RUNPATH.  Also, emit a
12002         DT_FLAGS_1 containing any specified -z flags.
12003
12004 2008-04-16  Ian Lance Taylor  <iant@google.com>
12005
12006         * copy-relocs.cc: New file.
12007         * copy-relocs.h: New file.
12008         * reloc.cc: Remove Copy_relocs code.
12009         * reloc.h: Likewise.
12010         * reloc-types.h (struct Reloc_types) [both versions]: Add
12011         get_reloc_addend_noerror.
12012         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12013         variants of add_global which take an addend which must be zero.
12014         * i386.cc: Include "copy-relocs.h".
12015         (class Target_i386): Change type of copy_relocs_ to variable,
12016         update initializer.
12017         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12018         Change all callers.
12019         (Target_i386::do_finalize_sections): Change handling of
12020         copy_relocs_.
12021         * sparc.cc: Include "copy-relocs.h".
12022         (class Target_sparc): Change type of copy_relocs_ to variable,
12023         update initializer.
12024         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12025         Change all callers.
12026         (Target_sparc::do_finalize_sections): Change handling of
12027         copy_relocs_.
12028         * x86_64.cc: Include "copy-relocs.h".
12029         (class Target_x86_64): Change type of copy_relocs_ to variable,
12030         update initializer.
12031         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12032         class.  Change all callers.
12033         (Target_x86_64::do_finalize_sections): Change handling of
12034         copy_relocs_.
12035         * Makefile.am (CCFILES): Add copy-relocs.cc.
12036         (HFILES): Add copy-relocs.h.
12037
12038         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12039
12040         * testsuite/script_test_4.sh: Permit leading zeroes.
12041
12042 2008-04-15  Ian Lance Taylor  <iant@google.com>
12043
12044         * script-sections.cc (Script_sections::create_segments): Use
12045         header_size_adjustment even when there is enough room for the
12046         headers.
12047         * testsuite/script_test_4.sh: New file.
12048         * testsuite/script_test_4.t: New file.
12049         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12050         (check_DATA): Add script_test_4.stdout.
12051         (MOSTLYCLEANFILES): Likewise.
12052         (script_test_4): New target.
12053         (script_test_4.stdout): New target.
12054         * testsuite/Makefile.in: Rebuild.
12055
12056         * sparc.cc: Add definitions for Output_data_plt_sparc class
12057         constants.
12058
12059 2008-04-14  David S. Miller  <davem@davemloft.net>
12060
12061         * sparc.cc: New file.
12062         * Makefile.am (TARGETSOURCES): Add sparc.cc
12063         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12064         * configure.tgt: Document targ_extra_size and
12065         targ_extra_big_endian.  Add entries for sparc-* and
12066         sparc64-*.
12067         * configure.ac: Handle targ_extra_size and
12068         targ_extra_big_endian.
12069         * Makefile.in: Rebuild.
12070         * configure: Likewise.
12071         * po/POTFILES.in: Likewise.
12072         * po/gold.pot: Likewise.
12073
12074 2008-04-14  Ian Lance Taylor  <iant@google.com>
12075
12076         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12077         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12078         in the name/type/flags to section mapping.  Don't call
12079         allocate_output_section.
12080         (Layout::choose_output_section): Change parameter from adjust_name
12081         to is_input_section.  Don't permit input sections after sections
12082         are attached to segments.  Don't call allocate_output_section.
12083         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12084         not write_enable_output_section.
12085         (Layout::make_output_section): Don't push to
12086         unattached_section_list_ nor call attach_to_segment.  Call
12087         attach_section_to_segment if sections are attached.
12088         (Layout::attach_sections_to_segments): New function.
12089         (Layout::attach_section_to_segment): New function.
12090         (Layout::attach_allocated_section_to_segment): Rename from
12091         attach_to_segment.  Remove flags parameter.
12092         (Layout::allocate_output_section): Remove function.
12093         (Layout::write_enable_output_section): Remove function.
12094         * layout.h (class Layout): Update for above changes.  Add new
12095         field sections_are_attached_.
12096         * output.h (Output_section::update_flags_for_input_section): New
12097         function.
12098         * output.cc (Output_section::add_input_section): Call
12099         update_flags_for_input_section.
12100         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12101
12102 2008-04-11  Cary Coutant  <ccoutant@google.com>
12103
12104         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12105         thought unnecessary.
12106         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12107
12108 2008-04-11  Ian Lance Taylor  <iant@google.com>
12109
12110         * output.h (class Output_section_data): Remove inline definition
12111         of set_addralign.
12112         * output.cc (Output_section_data::set_addralign): New function.
12113
12114 2008-04-11  Cary Coutant  <ccoutant@google.com>
12115
12116         Add support for TLS descriptors for i386 and x86_64.
12117         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12118         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12119         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12120         GOT_TYPE_TLS_DESC.
12121         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12122         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12123         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12124         relocations.
12125         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12126         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12127         Fix problem with initial-exec relocations.
12128         (Target_i386::Relocate::relocate_tls): Likewise.
12129         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12130         relaxation.
12131         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12132         support for section-plus-offset dynamic table entries.
12133         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12134         (Output_data_dynamic::Dynamic_entry): Add support for
12135         section-plus-offset dynamic table entries.
12136         (Output_data_dynamic::Classification): Likewise.
12137         (Output_data_dynamic::classification_): Renamed offset_.
12138         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12139         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12140         (Target_x86_64::make_plt_section): New function.
12141         (Target_x86_64::reserve_tlsdesc_entries): New function.
12142         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12143         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12144         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12145         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12146         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12147         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12148         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12149         add extra PLT entry for TLS descriptors.
12150         (Output_data_plt_x86_64::got_): New field.
12151         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12152         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12153         fields.
12154         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12155         descriptors.
12156         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12157         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12158         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12159         R_386_TLS_DESC_CALL relocations.
12160         (Target_x86_64::Scan::global): Likewise.
12161         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12162         for TLS descriptors.
12163         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12164         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12165         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12166         GD-to-IE relaxation.
12167         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12168         and TLS_DESCRIPTORS.
12169         * Makefile.in: Rebuild.
12170         * configure: Rebuild.
12171         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12172         (tls_test_shared2.so): New target.
12173         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12174         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12175         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12176         (tls_shared_gd_to_ie_test_LDADD): New variable.
12177         (tls_shared_gnu2_gd_to_ie_test): New target.
12178         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12179         New targets.
12180         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12181         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12182         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12183         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12184         (tls_shared_gnu2_test): New target.
12185         (tls_test_gnu2_shared.so): New target.
12186         (tls_shared_gnu2_test_SOURCES): New variable.
12187         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12188         (tls_shared_gnu2_test_LDFLAGS): New variable.
12189         (tls_shared_gnu2_test_LDADD): New variable.
12190         * testsuite/Makefile.in: Rebuild.
12191         * testsuite/Makefile.
12192
12193 2008-04-11  Ian Lance Taylor  <iant@google.com>
12194
12195         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12196         justsyms.t.
12197         * testsuite/Makefile.in: Rebuild.
12198
12199         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12200         long.
12201         * testsuite/script_test_2.cc (main): Adjust test.
12202
12203 2008-04-11  David S. Miller  <davem@davemloft.net>
12204             Ian Lance Taylor  <iant@google.com>
12205
12206         * options.h (General_options): Add entries for '-Y' and
12207         '-relax'.
12208         * options.cc (General_options:finalize): If -Y was used, add those
12209         entries to the library path instead of the default "/lib" and
12210         "/usr/lib".
12211
12212 2008-04-11  David S. Miller  <davem@davemloft.net>
12213
12214         * testsuite/justsyms.t: Start at 0x100.
12215         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12216         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12217         long.
12218         * testsuite/script_test_2.cc: Adjust string and section length
12219         checks.
12220
12221 2008-04-09  Ian Lance Taylor  <iant@google.com>
12222
12223         PR gold/5996
12224         * script-sections.cc (Sections_element::allocate_to_segment): Add
12225         orphan parameter.
12226         (Output_section_definition::allocate_to_segment): Likewise.
12227         (Orphan_output_section::allocate_to_segment): Likewise.
12228         (Script_sections::attach_sections_using_phdrs_clause): Don't
12229         propagate non-PT_LOAD segments to orphan sections.
12230         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12231         readelf rather than objdump.
12232         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12233         .interp section and PT_INTERP segment are the same size.
12234         * testsuite/Makefile.in: Rebuild.
12235
12236         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12237         aliases for symbols defined in the same object.
12238         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12239         (weak_alias_test_SOURCES): New variable.
12240         (weak_alias_test_DEPENDENCIES): New variable.
12241         (weak_alias_test_LDFLAGS): New variable.
12242         (weak_alias_test_LDADD): New variable.
12243         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12244         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12245         (weak_alias_test_3.o): New target.
12246         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12247         * testsuite/weak_alias_test_main.cc: New file.
12248         * testsuite/weak_alias_test_1.cc: New file.
12249         * testsuite/weak_alias_test_2.cc: New file.
12250         * testsuite/weak_alias_test_3.cc: New file.
12251
12252 2008-04-08  Ian Lance Taylor  <iant@google.com>
12253
12254         * options.h (class General_options): Add --noinhibit-exec option.
12255         * main.cc (main): Check --noinhibit-exec.
12256
12257         * options.h (class General_options): Define --wrap as a special
12258         option.  Add wrap_symbols_ field.
12259         (General_options::any_wrap_symbols): New function.
12260         (General_options::is_wrap_symbol): New function.
12261         * options.cc (General_options::parse_wrap): New function.
12262         (General_options::General_options): Initialize wrap_symbols_.
12263         * symtab.cc (Symbol_table::wrap_symbol): New function.
12264         (Symbol_table::add_from_object): Handle --wrap.
12265         * symtab.h (class Symbol_table): Declare wrap_symbol.
12266         * target.h (Target::wrap_char): New function.
12267         (Target::Target_info): Add wrap_char field.
12268         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12269         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12270         * testsuite/testfile.cc (Target_test::test_target_info):
12271         Likewise.
12272
12273         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12274         there is one.
12275
12276         * layout.h (class Layout): Add added_eh_frame_data_ field.
12277         * layout.cc (Layout::Layout): Initialize new field.
12278         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12279         output section until we find a section we merged successfully.
12280         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12281         that the size be non-zero.
12282
12283         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12284         qualifier.
12285
12286 2008-04-08  Craig Silverstein  <csilvers@google.com>
12287
12288         * configure.ac: Export new conditional variable HAVE_ZLIB.
12289         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12290         on HAVE_ZLIB.
12291         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12292         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12293
12294 2008-04-07  Ian Lance Taylor  <iant@google.com>
12295
12296         * version.cc (version_string): Set to "1.5".
12297
12298         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12299         Add issued_non_pic_error_ field.  Declare check_non_pic.
12300         (Target_x86_64::Scan::check_non_pic): New function.
12301         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12302         (Target_x86_64::Scan::global): Likewise.
12303
12304         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12305         addend parameter.  Change caller.  Handle merge sections.
12306         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12307         Address to Addend.  Don't add in the result of
12308         local_section_offset, pass down the addend and use the returned
12309         value.
12310         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12311         Update declarations of local_section_offset and symbol_value.
12312         * testsuite/two_file_test_1.cc (t18): New function.
12313         * testsuite/two_file_test_2.cc (f18): New function.
12314         * testsuite/two_file_test_main.cc (main): Call t18.
12315         * testsuite/two_file_test.h (t18, f18): Declare.
12316
12317         * configure.ac: Don't test for objdump, c++filt, or readelf.
12318         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12319         conditionals.
12320         (TEST_READELF): New variable.
12321         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12322         (check_PROGRAMS): Add two_file_strip_test.
12323         (two_file_strip_test): New target.
12324         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12325         (two_file_same_shared_strip_test_SOURCES): New variable.
12326         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12327         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12328         (two_file_same_shared_strip_test_LDADD): New variable.
12329         (two_file_shared_strip.so): New target.
12330         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12331         (ver_test_5.syms, ver_test_7.syms): Likewise.
12332         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12333         (strip_test_3.stdout): Use TEST_OBJDUMP.
12334         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12335
12336 2008-04-04  Cary Coutant  <ccoutant@google.com>
12337
12338         * symtab.h (Symbol::is_weak_undefined): New function.
12339         (Symbol::is_strong_undefined): New function.
12340         (Symbol::is_absolute): New function.
12341         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12342         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12343         absolute symbols.
12344         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12345         (weak_undef_test): New target.
12346         * testsuite/Makefile.in: Rebuild.
12347         * testsuite/weak_undef_file1.cc: New file.
12348         * testsuite/weak_undef_file2.cc: New file.
12349         * testsuite/weak_undef_test.cc: New file.
12350
12351 2008-04-03  Craig Silverstein  <csilvers@google.com>
12352
12353         * compressed_output.h (class Output_compressed_section): Use
12354         unsigned buffer.
12355         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12356         add zlib header.
12357         (zlib_compressed_suffix): Removed.
12358         (Output_compressed_section::set_final_data_size): Use unsigned
12359         buffers.
12360         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12361         Fix linker invocation.
12362         (flagstest_o_specialfile_and_compress_debug_sections):
12363         Likewise.
12364         * testsuite/Makefile.in: Regenerated.
12365
12366 2008-04-02  David S. Miller  <davem@davemloft.net>
12367
12368         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12369         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12370
12371 2008-04-02  Craig Silverstein  <csilvers@google.com>
12372
12373         * TODO: New file.
12374
12375 2008-04-02  Ian Lance Taylor  <iant@google.com>
12376
12377         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12378         parameters.  Update for new key type to views_.  Change all
12379         callers.
12380         (File_read::read): Adjust for byteshift in returned view.
12381         (File_read::add_view): New function, broken out of
12382         find_and_make_view.
12383         (File_read::make_view): New function, broken out of
12384         find_and_make_view.
12385         (File_read::find_or_make_view): Add offset and aligned
12386         parameters.  Rewrite accordingly.  Change all callers.
12387         (File_read::get_view): Add offset and aligned parameters.  Adjust
12388         for byteshift in return value.
12389         (File_read::get_lasting_view): Likewise.
12390         * fileread.h (class File_read): Update declarations.
12391         (class File_read::View): Add byteshift_ field.  Add byteshift to
12392         constructor.  Add byteshift method.
12393         * archive.h (Archive::clear_uncached_views): New function.
12394         (Archive::get_view): Add aligned parameter.  Change all callers.
12395         * object.h (Object::get_view): Add aligned parameter.  Change all
12396         callers.
12397         (Object::get_lasting_view): Likewise.
12398
12399         * fileread.cc (File_read::release): Don't call clear_views if
12400         there are multiple objects.
12401         * fileread.h (File_read::clear_uncached_views): New function.
12402         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12403         on the archive.
12404
12405 2008-03-31  Cary Coutant  <ccoutant@google.com>
12406
12407         Add thin archive support.
12408         * archive.cc (Archive::armagt): New const.
12409         (Archive::setup): Remove task parameter and calls to unlock.
12410         (Archive::unlock_nested_archives): New function.
12411         (Archive::read_header): Add nested_off parameter. Change
12412         all callers.
12413         (Archive::interpret_header): Likewise.
12414         (Archive::include_all_members): Change to handle thin
12415         archives.
12416         (Archive::include_member): Likewise.
12417         * archive.h (Archive::Archive): Add new parameters and
12418         initializers.
12419         (Archive::armagt): New const.
12420         (Archive::setup): Remove task parameter.
12421         (Archive::unlock_nested_archives): New function.
12422         (Archive::read_header): Add nested_off parameter.
12423         (Archive::interpret_header): Likewise.
12424         (Archive::Nested_archive_table): New typedef.
12425         (Archive::is_thin_archive_): New field.
12426         (Archive::nested_archives_): New field.
12427         (Archive::options_): New field.
12428         (Archive::dirpath_): New field.
12429         (Archive::task_): New field.
12430         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12431         for thin archives.  Pass additional parameters to
12432         Archive::Archive.  Unlock the archive file after calling
12433         Archive::setup.
12434
12435 2008-03-29  Ian Lance Taylor  <iant@google.com>
12436
12437         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12438         version symbol to be local.
12439         * testsuite/ver_test_4.sh: New file.
12440         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12441         (check_DATA): Add ver_test_4.syms.
12442         (ver_test_4.syms): New target.
12443         * testsuite/Makefile.in: Rebuild.
12444
12445         * output.cc
12446         (Output_section::Input_section_sort_entry::has_priority): New
12447         function.
12448         (Output_section::Input_section_sort_entry::match_file_name): New
12449         function.
12450         (Output_section::Input_section_sort_entry::match_section_name):
12451         Remove.
12452         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12453         Remove.
12454         (Output_section::Input_section_sort_entry::match_section_file):
12455         Remove.
12456         (Output_section::Input_section_sort_compare::operator()): Rewrite
12457         using new Input_section_sort_entry functions.  Sort crtbegin and
12458         crtend first.  Sort sections with no priority before sections with
12459         a priority.
12460         * testsuite/initpri1.c (d3): Check j != 4.
12461         (cd5): New constructor/destructor function.
12462         (main): Check j != 2.
12463
12464         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12465         new symbol when resolving, don't call set_is_default.
12466         * testsuite/ver_test_7.cc: New file.
12467         * testsuite/ver_test_7.sh: New file.
12468         * testsuite/Makefile.am (ver_test_7.so): New target.
12469         (ver_test_7.o): New target.
12470         (check_SCRIPTS): Add ver_test_7.sh.
12471         (check_DATA): Add ver_test_7.syms.
12472         (ver_test_7.syms): New target.
12473
12474 2008-03-28  Ian Lance Taylor  <iant@google.com>
12475
12476         * layout.cc (Layout::layout): If we see an input section with a
12477         name that needs sorting, set the must_sort flag for the output
12478         section.
12479         (Layout::make_output_section): If the name of the output section
12480         indicates that it might require sorting, set the may_sort flag.
12481         * output.h (Output_section::may_sort_attached_input_sections): New
12482         function.
12483         (Output_section::set_may_sort_attached_input_sections): New
12484         function.
12485         (Output_section::must_sort_attached_input_sections): New
12486         function.
12487         (Output_section::set_must_sort_attached_input_sections): New
12488         function.
12489         (class Output_section): Declare Input_section_sort_entry.  Define
12490         Input_section_sort_compare.  Declare
12491         sort_attached_input_sections.  Add new fields:
12492         may_sort_attached_input_sections_,
12493         must_sort_attached_input_sections_,
12494         attached_input_sections_are_sorted_.
12495         * output.cc (Output_section::Output_section): Initialize new
12496         fields.
12497         (Output_section::add_input_section): Add an entry to
12498         input_sections_ if may_sort or must_sort are true.
12499         (Output_section::set_final_data_size): Call
12500         sort_attached_input_sections if necessary.
12501         (Output_section::Input_section_sort_entry): Define new class.
12502         (Output_section::Input_section_sort_compare::operator()): New
12503         function.
12504         (Output_section::sort_attached_input_sections): New function.
12505         * configure.ac: Check whether the compiler supports constructor
12506         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12507         * testsuite/initpri1.c: New file.
12508         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12509         CONSTRUCTOR_PRIORITY.
12510         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12511         (initpri1_LDFLAGS): New variable.
12512         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12513
12514 2008-03-27  Ian Lance Taylor  <iant@google.com>
12515
12516         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12517         * testsuite/common_test_1.c: New file.
12518         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12519         (common_test_1_SOURCES): New variable.
12520         (common_test_1_DEPENDENCIES): New variable.
12521         (common_test_1_LDFLAGS): New variable.
12522
12523         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12524         and commons_ correctly when NAME/VERSION does not override
12525         NAME/NULL.
12526         * testsuite/ver_test_6.c: New file.
12527         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12528         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12529         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12530
12531 2008-03-26  Ian Lance Taylor  <iant@google.com>
12532
12533         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12534         of an undefined symbol from a version script.
12535         * testsuite/Makefile.am (ver_test_5.so): New target.
12536         (ver_test_5.o): New target.
12537         (check_SCRIPTS): Add ver_test_5.sh.
12538         (check_DATA): Add ver_test_5.syms.
12539         (ver_test_5.syms): New target.
12540         * testsuite/ver_test_5.cc: New file.
12541         * testsuite/ver_test_5.script: New file.
12542         * testsuite/ver_test_5.sh: New file.
12543         * Makefile.in, testsuite/Makefile.in: Rebuild.
12544
12545         PR gold/5986
12546         Fix problems building gold with gcc 4.3.0.
12547         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12548         (gold_error_at_location, gold_warning_at_location): Use it.
12549         * configure.ac: Check whether we can compile and use a template
12550         function with a printf attribute.
12551         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12552         when jumping over bytes.
12553         * object.cc: Instantiate Object::read_section_data.
12554         * debug.h: Include <cstring>
12555         * dwarf_reader.cc: Include <algorithm>
12556         * main.cc: Include <cstring>.
12557         * options.cc: Include <cstring>.
12558         * output.cc: Include <cstring>.
12559         * script.cc: Include <cstring>.
12560         * script.h: Include <string>.
12561         * symtab.cc: Include <cstring> and <algorithm>.
12562         * target-select.cc: Include <cstring>.
12563         * version.cc: Include <string>.
12564         * testsuite/testmain.cc: Include <cstdlib>.
12565         * configure, config.in: Rebuild.
12566
12567 2008-03-25  Ian Lance Taylor  <iant@google.com>
12568
12569         * options.cc: Include "../bfd/bfdver.h".
12570         (options::help): Print bug reporting address.
12571
12572         * version.cc (print_version): Adjust output for current value of
12573         BFD_VERSION_STRING.
12574
12575         * NEWS: New file.
12576
12577         * options.cc (options::help): Print list of supported targets.
12578         * target-select.h: Include <vector>.
12579         (class Target_selector): Make machine_, size_, and is_big_endian_
12580         fields const.  Add bfd_name_ and instantiated_target_ fields.
12581         (Target_selector::Target_selector): Add bfd_name parameter.
12582         (Target_selector::recognize): Make non-virtual, call
12583         do_recognize.
12584         (Target_selector::recognize_by_name): Make non-virtual, call
12585         do_recognize_by_name.
12586         (Target_selector::supported_names): New function.
12587         (Target_selector::bfd_name): New function.
12588         (Target_selector::do_instantiate_target): New pure virtual
12589         function.
12590         (Target_selector::do_recognize): New virtual function.
12591         (Target_selector::do_recognize_by_name): New virtual function.
12592         (Target_selector::instantiate_target): New private function.
12593         (supported_target_names): Declare.
12594         * target-select.cc (Target_selector::Target_selector): Update for
12595         new parameter and fields.
12596         (select_target_by_name): Check that the name matches before
12597         calling recognize_by_name.
12598         (supported_target_names): New function.
12599         * i386.cc (class Target_selector_i386): Update Target_selector
12600         constructor call.  Remove recognize and recognize_by_name.  Add
12601         do_instantiate_target.
12602         * x86_64.cc (class Target_selector_x86_64): Likewise.
12603         * testsuite/testfile.cc (class Target_selector_test): Update for
12604         changes to Target_selector.
12605
12606         * README: Rewrite, with some notes on unsupported features.
12607
12608 2008-03-24  Cary Coutant  <ccoutant@google.com>
12609
12610         * i386.cc (Target_i386::Got_type): New enum declaration.
12611         (Target_i386::Scan::local): Updated callers of Output_data_got
12612         member functions.
12613         (Target_i386::Scan::global): Likewise.
12614         (Target_i386::Relocate::relocate): Likewise.
12615         (Target_i386::Relocate::relocate_tls): Likewise.
12616         * object.h (Got_offset_list): New class.
12617         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12618         (Sized_relobj::local_got_offset): Likewise.
12619         (Sized_relobj::set_local_got_offset): Likewise.
12620         (Sized_relobj::local_has_tls_got_offset): Removed.
12621         (Sized_relobj::local_tls_got_offset): Removed.
12622         (Sized_relobj::set_local_tls_got_offset): Removed.
12623         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12624         * output.cc (Output_data_got::add_global): Added got_type parameter.
12625         (Output_data_got::add_global_with_rel): Likewise.
12626         (Output_data_got::add_global_with_rela): Likewise.
12627         (Output_data_got::add_global_pair_with_rel): New function.
12628         (Output_data_got::add_global_pair_with_rela): New function.
12629         (Output_data_got::add_local): Added got_type parameter.
12630         (Output_data_got::add_local_with_rel): Likewise.
12631         (Output_data_got::add_local_with_rela): Likewise.
12632         (Output_data_got::add_local_pair_with_rel): New function.
12633         (Output_data_got::add_local_pair_with_rela): New function.
12634         (Output_data_got::add_global_tls): Removed.
12635         (Output_data_got::add_global_tls_with_rel): Removed.
12636         (Output_data_got::add_global_tls_with_rela): Removed.
12637         (Output_data_got::add_local_tls): Removed.
12638         (Output_data_got::add_local_tls_with_rel): Removed.
12639         (Output_data_got::add_local_tls_with_rela): Removed.
12640         * output.h (Output_data_got::add_global): Added got_type parameter.
12641         (Output_data_got::add_global_with_rel): Likewise.
12642         (Output_data_got::add_global_with_rela): Likewise.
12643         (Output_data_got::add_global_pair_with_rel): New function.
12644         (Output_data_got::add_global_pair_with_rela): New function.
12645         (Output_data_got::add_local): Added got_type parameter.
12646         (Output_data_got::add_local_with_rel): Likewise.
12647         (Output_data_got::add_local_with_rela): Likewise.
12648         (Output_data_got::add_local_pair_with_rel): New function.
12649         (Output_data_got::add_local_pair_with_rela): New function.
12650         (Output_data_got::add_global_tls): Removed.
12651         (Output_data_got::add_global_tls_with_rel): Removed.
12652         (Output_data_got::add_global_tls_with_rela): Removed.
12653         (Output_data_got::add_local_tls): Removed.
12654         (Output_data_got::add_local_tls_with_rel): Removed.
12655         (Output_data_got::add_local_tls_with_rela): Removed.
12656         * resolve.cc (Symbol::override_base_with_special): Removed
12657         reference to has_got_offset_ field.
12658         * symtab.cc (Symbol::init_fields): Replaced initialization
12659         of got_offset_ with got_offsets_.  Removed initialization
12660         of has_got_offset_
12661         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12662         (Symbol::got_offset): Likewise.
12663         (Symbol::set_got_offset): Likewise.
12664         (Symbol::has_tls_got_offset): Removed.
12665         (Symbol::tls_got_offset): Removed.
12666         (Symbol::set_tls_got_offset): Removed.
12667         (Symbol::got_offset_): Removed.
12668         (Symbol::tls_mod_got_offset_): Removed.
12669         (Symbol::tls_pair_got_offset_): Removed.
12670         (Symbol::got_offsets_): New field.
12671         (Symbol::has_got_offset): Removed.
12672         (Symbol::has_tls_mod_got_offset): Removed.
12673         (Symbol::has_tls_pair_got_offset): Removed.
12674         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12675         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12676         member functions.
12677         (Target_x86_64::Scan::global): Likewise.
12678         (Target_x86_64::Relocate::relocate): Likewise.
12679         (Target_x86_64::Relocate::relocate_tls): Likewise.
12680
12681 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12682
12683         * yyscript.y: Fix spelling error in comment.
12684
12685 2008-03-24  Ian Lance Taylor  <iant@google.com>
12686
12687         * options.h (class General_options): Define build_id option.
12688         * layout.h (class Layout): Declare write_build_id, create_note,
12689         create_build_id.  Add build_id_note_ member.
12690         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12691         "libiberty.h", "md5.h", "sha1.h".
12692         (Layout::Layout): Initialize eh_frame_data_,
12693         eh_frame_hdr_section_, and build_id_note_.
12694         (Layout::finalize): Call create_build_id.
12695         (Layout::create_note): New function, broken out of
12696         Layout::create_gold_note.
12697         (Layout::create_gold_note): Call create_note.
12698         (Layout::create_build_id): New function.
12699         (Layout::write_build_id): New function.
12700         (Close_task_runner::run): Call write_build_id.
12701
12702         * x86_64.cc: Correct license to GPLv3.
12703
12704 2008-03-23  Ian Lance Taylor  <iant@google.com>
12705
12706         * options.cc: Include "demangle.h".
12707         (parse_optional_string): New function.
12708         (parse_long_option): Handle takes_optional_argument.
12709         (parse_short_option): Update dash_z initializer.  Handle
12710         takes_optional_argument.
12711         (General_options::General_options): Initialize do_demangle_.
12712         (General_options::finalize): Set do_demangle_.  Handle demangling
12713         style.
12714         * options.h (parse_optional_string): Declare.
12715         (struct One_option): Add optional_arg field.  Update constructor.
12716         Update call constructor calls.  Add takes_optional_argument
12717         function.
12718         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12719         (DEFINE_optional_string): Define.
12720         (General_options::demangle): Change from DEFINE_bool to
12721         DEFINE_optional_string.
12722         (General_options::no_demangle): New function.
12723         (General_options::do_demangle): New function.
12724         (General_options::set_do_demangle): New function.
12725         (General_options::execstack_status_): Move definition to end of
12726         class definition.
12727         (General_options::static_): Likewise.
12728         (General_options::do_demangle_): New field.
12729         * object.cc (big_endian>::get_symbol_location_info): Call
12730         Options::do_demangle, not Options::demangle.
12731         * symtab.cc (demangle): Likewise.
12732
12733 2008-03-22  Ian Lance Taylor  <iant@google.com>
12734
12735         * gold.h: Include <cstddef> and <sys/types.h>
12736         * options.h: Include <cstring>.
12737
12738 2008-03-21  Ian Lance Taylor  <iant@google.com>
12739
12740         * Added source code to GNU binutils.