gold/ChangeLog

   1 2012-04-16  Cary Coutant  <ccoutant@google.com>
   2
   3         * archive.cc (Library_base::should_include_member): Check for
   4         --export-dynamic-symbol.
   5         * options.h (class General_options): Add --export-dynamic-symbol.
   6         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
   7         --export-dynamic-symbol.
   8         (Symbol_table::gc_mark_undef_symbols): Likewise.
   9         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
  10
  11 2012-04-12  David S. Miller  <davem@davemloft.net>
  12
  13         * sparc.cc (Reloc::wdisp10): New relocation method.
  14         (Reloc::h34): Likewise.
  15         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
  16         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
  17         R_SPARC_WDISP10.
  18         (Target_sparc::Scan::local): Likewise.
  19         (Target_sparc::Scan::global): Likewise.
  20         (Target_sparc::Relocate::relocate): Likewise.
  21
  22 2012-04-09  Cary Coutant  <ccoutant@google.com>
  23
  24         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
  25         low_pc == 0.
  26
  27 2012-04-06  Ian Lance Taylor  <iant@google.com>
  28
  29         * timer.cc: #include <unistd.h>.
  30
  31 2012-04-06  Roland McGrath  <mcgrathr@google.com>
  32
  33         * configure.in (AC_CHECK_HEADERS): Add locale.h.
  34         * config.in: Regenerate.
  35         * configure: Regenerate.
  36
  37 2012-04-05  Nick Clifton  <nickc@redhat.com>
  38
  39         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
  40         (AM_LC_MESSAGES): Add.
  41         * aclocal.m4: Regenerate.
  42         * config.in: Regenerate.
  43         * configure: Regenerate.
  44
  45 2012-03-21  Cary Coutant  <ccoutant@google.com>
  46
  47         * Makefile.am: Add gdb-index.cc, gdb-index.h.
  48         * Makefile.in: Regenerate.
  49         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
  50         (Sized_elf_reloc_mapper::symbol_section): New function.
  51         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
  52         (make_elf_reloc_mapper): New function.
  53         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
  54         (Dwarf_abbrev_table::do_read_abbrevs): New function.
  55         (Dwarf_abbrev_table::do_get_abbrev): New function.
  56         (Dwarf_ranges_table::read_ranges_table): New function.
  57         (Dwarf_ranges_table::read_range_list): New function.
  58         (Dwarf_pubnames_table::read_section): New function.
  59         (Dwarf_pubnames_table::read_header): New function.
  60         (Dwarf_pubnames_table::next_name): New function.
  61         (Dwarf_die::Dwarf_die): New function.
  62         (Dwarf_die::read_attributes): New function.
  63         (Dwarf_die::skip_attributes): New function.
  64         (Dwarf_die::set_name): New function.
  65         (Dwarf_die::set_linkage_name): New function.
  66         (Dwarf_die::attribute): New function.
  67         (Dwarf_die::string_attribute): New function.
  68         (Dwarf_die::int_attribute): New function.
  69         (Dwarf_die::uint_attribute): New function.
  70         (Dwarf_die::ref_attribute): New function.
  71         (Dwarf_die::child_offset): New function.
  72         (Dwarf_die::sibling_offset): New function.
  73         (Dwarf_info_reader::check_buffer): New function.
  74         (Dwarf_info_reader::parse): New function.
  75         (Dwarf_info_reader::do_parse): New function.
  76         (Dwarf_info_reader::do_read_string_table): New function.
  77         (Dwarf_info_reader::lookup_reloc): New function.
  78         (Dwarf_info_reader::get_string): New function.
  79         (Dwarf_info_reader::visit_compilation_unit): New function.
  80         (Dwarf_info_reader::visit_type_unit): New function.
  81         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
  82         Sized_elf_reloc_mapper.
  83         (Sized_dwarf_line_info::symbol_section): Remove function.
  84         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
  85         (Sized_dwarf_line_info::read_line_mappings): Remove object
  86         parameter, adjust callers.
  87         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
  88         * dwarf_reader.h: Include <sys/types.h>.
  89         (class Track_relocs): Remove forward declaration.
  90         (class Elf_reloc_mapper): New class.
  91         (class Sized_elf_reloc_mapper): New class.
  92         (class Dwarf_abbrev_table): New class.
  93         (class Dwarf_range_list): New class.
  94         (class Dwarf_ranges_table): New class.
  95         (class Dwarf_pubnames_table): New class.
  96         (class Dwarf_die): New class.
  97         (class Dwarf_info_reader): New class.
  98         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
  99         (Sized_dwarf_line_info::symbol_section): Remove member function.
 100         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
 101         base class.
 102         * gdb-index.cc: New source file.
 103         * gdb-index.h: New source file.
 104         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
 105         and .debug_types sections, call Layout::add_to_gdb_index.
 106         (Sized_relobj_incr::do_section_name): Implement.
 107         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
 108         return type; Implement.
 109         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 110         return type.
 111         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 112         parameter list and return type.
 113         (Sized_incr_dynobj::do_section_contents): Likewise.
 114         * layout.cc: Include gdb-index.h.
 115         (Layout::Layout): Initialize gdb_index_data_.
 116         (Layout::init_fixed_output_section): Check for .gdb_index section.
 117         (Layout::add_to_gdb_index): New function. Instantiate.
 118         * layout.h: Add forward declaration for class Gdb_index.
 119         (Layout::add_to_gdb_index): New member function.
 120         (Layout::gdb_index_data_): New data member.
 121         * main.cc: Include gdb-index.h.
 122         (main): Print statistics for gdb index.
 123         * object.cc (Object::section_contents): Move code into
 124         do_section_contents.
 125         (need_decompressed_section): Check for sections needed when building
 126         gdb index.
 127         (build_compressed_section_map): Likewise.
 128         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 129         gdb index.
 130         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 131         sections; call Layout::add_to_gdb_index.
 132         (Sized_relobj_file::do_decompressed_section_contents): Call
 133         do_section_contents directly.
 134         * object.h (Object::do_section_contents): Adjust parameter list and
 135         return type.
 136         (Object::do_decompressed_section_contents): Call do_section_contents
 137         directly.
 138         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 139         return type.
 140         * options.h (class General_options): Add --gdb-index option.
 141         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 142         list and return type.
 143         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 144         * reloc.h (Track_relocs::checkpoint): New function.
 145         (Track_relocs::reset): New function.
 146
 147         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 148         New test cases.
 149         * testsuite/Makefile.in: Regenerate.
 150         * testsuite/gdb_index_test.cc: New test source file.
 151         * testsuite/gdb_index_test_1.sh: New test source file.
 152         * testsuite/gdb_index_test_2.sh: New test source file.
 153
 154 2012-03-19  Doug Kwan  <dougkwan@google.com>
 155
 156         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 157         (Target_arm::do_finalize_sections): Remove code which defines
 158         __exidx_start and __exidx_end.  Make symbol table parameter
 159         anonymous as it is not used.
 160         * gold.cc (queue_middle_tasks): Call target hook to define any
 161         target-specific symbols.
 162         * target.h (Target::define_standard_symbols): New method.
 163         (Target::do_define_standard_symbols): Same.
 164         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 165         * testsuite/Makefile.in: Regenerate.
 166         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 167         and __exidx_end.
 168         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 169         relocations are generated for __exidx_start and __exidx_end.
 170
 171 2012-03-16  Doug Kwan  <dougkwan@google.com>
 172
 173         * testsuite/Makefile.am: Disable test initpri3b.
 174         * testsuite/Makefile.in: Regenerate.
 175
 176 2012-03-15  Doug Kwan  <dougkwan@google.com>
 177
 178         * arm.cc (Target_arm::got_section): Make .got section read-only
 179         if -z now is given.
 180
 181 2012-03-15  Ian Lance Taylor  <iant@google.com>
 182
 183         PR gold/13850
 184         * layout.cc (Layout::make_output_section): Correctly mark
 185         SHT_INIT_ARRAY, et. al., as relro.
 186
 187 2012-03-14  Doug Kwan  <dougkwan@google.com>
 188
 189         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 190         dynamic relocations for protected symbols in shared objects.
 191
 192 2012-03-13  Ian Lance Taylor  <iant@google.com>
 193
 194         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 195         keep the larger alignment.
 196
 197 2012-03-12  Cary Coutant  <ccoutant@google.com>
 198
 199         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 200         handling of DW_LNE_define_file.
 201
 202 2012-03-12  Cary Coutant  <ccoutant@google.com>
 203
 204         * reduced_debug_output.cc
 205         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 206         codes to switch.
 207
 208 2012-02-29  Cary Coutant  <ccoutant@google.com>
 209
 210         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 211
 212 2012-02-29  Cary Coutant  <ccoutant@google.com>
 213
 214         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 215         Call Object::decompressed_section_contents.
 216         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 217         New dtor.
 218         (Sized_dwarf_line_info::buffer_start_): New data member.
 219         * merge.cc (Output_merge_data::do_add_input_section): Call
 220         Object::decompressed_section_contents.
 221         (Output_merge_string::do_add_input_section): Likewise.
 222         * object.cc (need_decompressed_section): New function.
 223         (build_compressed_section_map): Decompress sections needed later.
 224         (Sized_relobj_file::do_decompressed_section_contents): New function.
 225         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 226         * object.h (Object::decompressed_section_contents): New function.
 227         (Object::discard_decompressed_sections): New function.
 228         (Object::do_decompressed_section_contents): New function.
 229         (Object::do_discard_decompressed_sections): New function.
 230         (Compressed_section_info): New type.
 231         (Compressed_section_map): Include decompressed section contents.
 232         (Sized_relobj_file::do_decompressed_section_contents): New function.
 233         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 234
 235 2012-02-16  Cary Coutant  <ccoutant@google.com>
 236
 237         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 238         * testsuite/Makefile.in: Regenerate.
 239
 240 2012-02-14  Cary Coutant  <ccoutant@google.com>
 241
 242         * options.cc (General_options::finalize): Disallow -pie and -static.
 243
 244 2012-02-03  Doug Kwan  <dougkwan@google.com>
 245
 246         * arm.cc (Arm_relocate_functions::abs8,
 247         Arm_relocate_functions::abs16): Use
 248         Bits::has_signed_unsigned_overflow32.
 249         (Arm_relocate_functions::thm_abs8): Correct range of
 250         overflow check.
 251         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 252         in assertions.
 253
 254 2012-02-02  Doug Kwan  <dougkwan@google.com>
 255
 256         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 257         position independent outputs, not just shared objects.
 258
 259 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 260
 261         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 262         * configure: Regenerated.
 263
 264 2012-01-27  Ian Lance Taylor  <iant@google.com>
 265
 266         * reloc.h (Bits): New class with static functions, copied from
 267         namespace utils in arm.cc.
 268         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 269         instead.
 270
 271 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 272
 273         * incremental.cc (write_info_blocks): Correct relocation offset.
 274
 275 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 276
 277         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 278         (Relocate::tls_gd_to_le): Likewise.
 279
 280 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 281
 282         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 283
 284 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 285
 286         * configure.ac: Check if -mcmodel=medium works.
 287         * configure: Regenerated.
 288
 289 2012-01-24  Cary Coutant  <ccoutant@google.com>
 290
 291         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 292         definition and ...
 293         (read_unsigned_LEB_128_x): ... this new function.
 294         (read_signed_LEB_128): Replaced with inline definition and ...
 295         (read_signed_LEB_128_x): ... this new function.
 296         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 297         (read_unsigned_LEB_128): Add inline definition.
 298         (read_signed_LEB_128_x): New function.
 299         (read_signed_LEB_128): Add inline definition.
 300         * testsuite/Makefile.am (leb128_unittest): New unit test.
 301         * testsuite/Makefile.in: Regenerate.
 302         * testsuite/leb128_unittest.cc: New unit test.
 303
 304 2012-01-23  Ian Lance Taylor  <iant@google.com>
 305
 306         PR gold/13617
 307         * i386.cc (Target_i386::do_code_fill): When using a jmp
 308         instruction, pad with nop instructions.
 309         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 310
 311 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 312
 313         * x86_64.cc (gc_process_relocs): Add typename on types used in
 314         template.
 315         (scan_relocs): Likewise.
 316         (relocate_section): Likewise.
 317         (apply_relocation): Likewise.
 318
 319 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 320
 321         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 322         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 323         under x32.
 324
 325 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 326
 327         * x86_64.cc: Initial support for x32.
 328
 329 2012-01-03  Cary Coutant  <ccoutant@google.com>
 330
 331         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 332         Use abstract base class for GOT.
 333         * gold/output.h (class Output_data_got_base): New abstract base class.
 334         (class Output_data_got): Derive from new base class, adjust ctors.
 335         (Output_data_got::reserve_slot): Make virtual; rename to
 336         do_reserve_slot; Adjust callers.
 337         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 338         pointer to abstract base class.
 339         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 340
 341 2011-12-18  Ian Lance Taylor  <iant@google.com>
 342
 343         * object.h (Relobj::local_symbol_value): New function.
 344         (Relobj::local_plt_offset): New function.
 345         (Relobj::local_has_got_offset): New function.
 346         (Relobj::local_got_offset): New function.
 347         (Relobj::set_local_got_offset): New function.
 348         (Relobj::do_local_symbol_value): New pure virtual function.
 349         (Relobj::do_local_plt_offset): Likewise.
 350         (Relobj::do_local_has_got_offset): Likewise.
 351         (Relobj::do_local_got_offset): Likewise.
 352         (Relobj::do_set_local_got_offset): Likewise.
 353         (Sized_relobj::do_local_has_got_offset): Rename from
 354         local_has_got_offset.
 355         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 356         (Sized_relobj::do_set_local_got_offset): Rename from
 357         set_local_got_offset.
 358         (Sized_relobj_file::do_local_plt_offset): Rename from
 359         local_plt_offset.
 360         (Sized_relobj_file::do_local_symbol_value): New function.
 361         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 362         local_plt_offset.
 363         * output.cc (Output_data_got::Got_entry::write): Change object to
 364         Relobj.  Use local_symbol_value.
 365         (Output_data_got::add_global_with_rel): Change rel_dyn to
 366         Output_data_reloc_generic*.  Use add_global_generic.
 367         (Output_data_got::add_global_with_rela): Remove.  Change all
 368         callers to use add_global_with_rel.
 369         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 370         Output_data_reloc_generic*.  Use add_global_generic.
 371         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 372         callers to use add_global_pair_with_rel.
 373         (Output_data_got::add_local): Change object to Relobj*.
 374         (Output_data_got::add_local_plt): Likewise.
 375         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 376         change rel_dyn to Output_data_reloc_generic*.  Use
 377         add_local_generic.
 378         (Output_data_got::add_local_with_rela): Remove.  Change all
 379         callers to use all_local_with_rel.
 380         (Output_data_got::add_local_pair_with_rel): Change object to
 381         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 382         add_output_section_generic.
 383         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 384         callers to use add_local_pair_with_rel.
 385         (Output_data_got::reserve_local): Change object to Relobj*.
 386         * output.h: (class Output_data_reloc_generic): Add pure virtual
 387         declarations for add_global_generic, add_local_generic,
 388         add_output_section_generic.
 389         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 390         functions for Output_data_reloc_generic.  Update declarations for
 391         changes listed in output.cc.
 392         (class Output_data_got): Change template parameter to got_size.
 393         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 394         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 395         function.
 396         (Sized_relobj_incr::do_local_plt_offset): New function.
 397         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 398         add_global_generic.
 399
 400 2011-12-17  Cary Coutant  <ccoutant@google.com>
 401
 402         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 403         * resolve.cc (Symbol_table::resolve): Likewise.
 404         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 405         arrays.
 406         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 407
 408 2011-12-16  Ian Lance Taylor  <iant@google.com>
 409
 410         * output.h (Output_data_reloc_generic::add): Only call
 411         add_dynamic_reloc if this is a dynamic reloc section.
 412
 413 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 414
 415         PR gold/13505
 416         * target-reloc.h (apply_relocation): Replace <64, false> with
 417         <size, big_endian>.
 418
 419 2011-11-25  Nick Clifton  <nickc@redhat.com>
 420
 421         * po/it.po: New Italian translation.
 422
 423 2011-11-17  Sterling Augustine  <saugustine@google.com>
 424
 425         * script.cc (script_include_directive): Implement.
 426         (read_script_file): New local variables name and search_path. Update
 427         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 428         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 429         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 430
 431 2011-11-11  Sterling Augustine  <saugustine@google.com>
 432
 433         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 434         (file_or_sections_cmd): Likewise.
 435
 436 2011-11-11  Doug Kwan  <dougkwan@google.com>
 437
 438         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 439         if --just-symbols is given.
 440
 441 2011-11-10  Doug Kwan  <dougkwan@google.com>
 442
 443         PR gold/13362
 444         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 445         when processing data relocs.
 446         * reloc.h (Relocate_functions::rel_unaligned): New method.
 447         (Relocate_functions::pcrel_unaligned): Ditto.
 448         (Relocate_functions::rel32_unaligned): Ditto.
 449         (Relocate_functions::pcrel32_unaligned): Ditto.
 450
 451 2011-11-09  Doug Kwan  <dougkwan@google.com>
 452
 453         PR gold/13362
 454         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 455         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 456         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 457         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 458         (Relocate_functions::rel_unaligned): New.
 459         (Relocate_functions::rel32_unaligned): New.
 460         * target-reloc.h (relocate_for_relocatable): Add code to handle
 461         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 462         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 463         arm_unaligned_reloc_r): New targets.
 464         * testsuite/Makefile.in: Regenerate.
 465         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 466         linking.
 467
 468 2011-11-02  Ian Lance Taylor  <iant@google.com>
 469
 470         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 471         NATIVE_LINKER.
 472         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 473         * options.cc (General_options::finalize): Use library search path
 474         from configure script if specified.  If not native and no sysroot,
 475         only search TOOLLIBDIR.
 476         * options.h (Search_directory::Search_directory): Change name to
 477         const std::string&.
 478         (General_options::add_to_library_path_with_sysroot): Change arg to
 479         const std::string&.
 480         * configure, Makefile.in, config.in: Rebuild.
 481
 482 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 483
 484         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 485         we are working around the ARM1176 Erratum.
 486         * options.h (General_options::fix_arm1176): Add option.
 487         * testsuite/Makefile.am: Add testcases, and keep current ones
 488         working.
 489         * testsuite/Makefile.in: Regenerate.
 490         * testsuite/arm_fix_1176.s: New file.
 491         * testsuite/arm_fix_1176.sh: Likewise.
 492
 493 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 494
 495         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 496         may_use_blx_.
 497         (Target_arm::may_use_blx): Remove method.
 498         (Target_arm::set_may_use_blx): Likewise.
 499         (Target_arm::may_use_v4t_interworking): New method.
 500         (Target_arm::may_use_v5t_interworking): Likewise.
 501         (Target_arm::may_use_blx_): Remove member variable.
 502         (Arm_relocate_functions::arm_branch_common): Check for v5T
 503         interworking.
 504         (Arm_relocate_functions::thumb_branch_common): Likewise.
 505         (Reloc_stub::stub_type_for_reloc): Likewise.
 506         (Target_arm::do_finalize_sections): Correct interworking checks.
 507         * testsuite/Makefile.am: Add new tests.
 508         * testsuite/Makefile.in: Regenerate.
 509         * testsuite/arm_farcall_arm_arm.s: New test.
 510         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 511         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 512         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 513         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 514         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 515         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 516         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 517
 518 2011-10-31  Cary Coutant  <ccoutant@google.com>
 519
 520         PR gold/13023
 521         * expression.cc (Expression::eval_with_dot): Add
 522         is_section_dot_assignment parameter.
 523         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 524         absolute and assigning to dot within a section.
 525         * script-sections.cc
 526         (Output_section_element_assignment::set_section_addresses): Pass
 527         dot_section to set_if_absolute.
 528         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 529         as is_section_dot_assignment flag to eval_with_dot.
 530         (Output_section_element_dot_assignment::set_section_addresses):
 531         Likewise.
 532         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 533         parameter.  Also set value if relative to dot_section; set the
 534         symbol's output_section.
 535         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 536         parameter.  Adjust all callers.
 537         (Expression::eval_maybe_dot): Likewise.
 538         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 539         Adjust all callers.
 540         * testsuite/script_test_2.t: Test assignment of an absolute value
 541         to dot within an output section element.
 542
 543 2011-10-31  Cary Coutant  <ccoutant@google.com>
 544
 545         * options.h (class General_options): Add --[no-]gnu-unique options.
 546         * symtab.cc (Symbol_table::sized_write_globals): Convert
 547         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 548
 549 2011-10-31  Cary Coutant  <ccoutant@google.com>
 550
 551         PR gold/13359
 552         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 553         unnecessary assertion.
 554         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 555
 556 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 557
 558         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 559         gc_mark_symbol.
 560         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 561         gc_mark_symbol.
 562         Change to just keep the section associated with symbol.
 563         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 564         they are externally visible and --export-dynamic is turned on.
 565         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 566
 567 2011-10-19  Ian Lance Taylor  <iant@google.com>
 568
 569         PR gold/13163
 570         * script-sections.cc
 571         (Output_section_element_dot_assignment::needs_output_section): New
 572         function.
 573
 574 2011-10-19  Ian Lance Taylor  <iant@google.com>
 575
 576         PR gold/13204
 577         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 578         --section-start option was seen.
 579         * options.h (General_options::any_section_start): New function.
 580
 581 2011-10-18  David S. Miller  <davem@davemloft.net>
 582
 583         PR binutils/13301
 584         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 585         member to track relocation locations that have moved during TLS
 586         reloc optimizations.
 587         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 588         (Target_sparc::Relocate::relocate): Adjust view down by 4
 589         bytes if it matches reloc_adjust_addr_.
 590         (Target_sparc::Relocate::relocate_tls): Always move the
 591         __tls_get_addr call delay slot instruction forward 4 bytes when
 592         performing relaxation.
 593
 594 2011-10-18  Cary Coutant  <ccoutant@google.com>
 595
 596         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 597         (Output_file::map_no_anonymous): Check for non-zero
 598         return code from posix_fallocate.
 599
 600 2011-10-17  Cary Coutant  <ccoutant@google.com>
 601
 602         PR gold/13245
 603         * plugin.cc (is_visible_from_outside): Check for symbols
 604         referenced from dynamic objects.
 605         * resolve.cc (Symbol_table::resolve): Don't count references
 606         from dynamic objects as references from real ELF files.
 607         * testsuite/plugin_test_2.sh: Adjust expected result.
 608
 609 2011-10-17  Cary Coutant  <ccoutant@google.com>
 610
 611         * gold.cc: Include timer.h.
 612         (queue_middle_tasks): Stamp time.
 613         (queue_final_tasks): Likewise.
 614         * main.cc (main): Store timer in parameters.  Print timers
 615         for each pass.
 616         * parameters.cc (Parameters::Parameters): Initialize timer_.
 617         (Parameters::set_timer): New function.
 618         (set_parameters_timer): New function.
 619         * parameters.h (Parameters::set_timer): New function.
 620         (Parameters::timer): New function.
 621         (Parameters::timer_): New data member.
 622         (set_parameters_timer): New function.
 623         * timer.cc (Timer::stamp): New function.
 624         (Timer::get_pass_time): New function.
 625         * timer.h (Timer::stamp): New function.
 626         (Timer::get_pass_time): New function.
 627         (Timer::pass_times_): New data member.
 628
 629 2011-10-17  Cary Coutant  <ccoutant@google.com>
 630
 631         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 632         task for members of lib groups.
 633
 634 2011-10-17  Cary Coutant  <ccoutant@google.com>
 635
 636         PR gold/13288
 637         * fileread.cc (File_read::find_view): Add assert.
 638         (File_read::make_view): Move bounds check (replace with assert)...
 639         (File_read::find_or_make_view): ... to here.
 640
 641 2011-10-12  Cary Coutant  <ccoutant@google.com>
 642
 643         * output.cc (Output_file::open_base_file): Handle case where
 644         ::read returns less than requested size.
 645
 646 2011-10-10  Cary Coutant  <ccoutant@google.com>
 647
 648         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 649         Initialize defined_count_.
 650         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 651         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 652         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 653         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 654         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 655         * incremental.h (Sized_relobj_incr::defined_count_): New data
 656         member.
 657         (Sized_incr_dynobj::defined_count_): New data member.
 658         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 659         Return zeroes instead of internal error.
 660
 661 2011-10-10  Cary Coutant  <ccoutant@google.com>
 662
 663         PR gold/13249
 664         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 665         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 666         * output.h (class Output_reloc): Add use_plt_offset flag.
 667         (Output_reloc::type_): Adjust size of bit field.
 668         (Output_reloc::use_plt_offset_): New bit field.
 669         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 670         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 671         flag.  Adjust all callers.
 672         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 673         creating RELATIVE relocations.
 674
 675 2011-10-10  Nick Clifton  <nickc@redhat.com>
 676
 677         * po/es.po: Updated Spanish translation.
 678         * po/fi.po: Updated Finnish translation.
 679
 680 2011-10-03   Diego Novillo  <dnovillo@google.com>
 681
 682         * options.cc (parse_uint): Fix dereference of RETVAL.
 683
 684 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 685
 686         * layout.h (section_order_map_): New member.
 687         (get_section_order_map): New member function.
 688         * output.cc (Output_section::add_input_section): Check for patterns
 689         only when --section-ordering-file is specified.
 690         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 691         output_sections have been formed.
 692         * layout.cc (Layout_Layout): Initialize section_order_map_.
 693         * plugin.cc (update_section_order): Store order in order_map. Do not
 694         update the order.
 695         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 696         * testsuite/Makefile.in: Regenerate.
 697         * testsuite/plugin_section_order.c: New file.
 698         * testsuite/plugin_final_layout.cc: New file.
 699         * testsuite/plugin_final_layout.sh: New file.
 700
 701 2011-09-29  Cary Coutant  <ccoutant@google.com>
 702
 703         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 704         Check for NULL.
 705         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 706         symbols during incremental update.
 707         (Symbol_table::add_from_dynobj): Likewise.
 708
 709 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 710             Ian Lance Taylor  <iant@google.com>
 711
 712         * symtab.cc (Symbol_table::define_special_symbol): Always
 713         canonicalize version string.
 714
 715 2011-09-26  Cary Coutant  <ccoutant@google.com>
 716
 717         * gold.cc (queue_initial_tasks): Move option checks ...
 718         * options.cc (General_options::finalize): ... to here. Disable
 719         some options; make others fatal.
 720
 721 2011-09-26  Cary Coutant  <ccoutant@google.com>
 722
 723         gcc PR lto/47247
 724         * plugin.cc (get_symbols_v2): New function.
 725         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 726         (is_referenced_from_outside): New function.
 727         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 728         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 729         (get_symbols): Pass version parameter.
 730         (get_symbols_v2): New function.
 731         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 732         parameter.
 733         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 734         (onload): Add LDPT_GET_SYMBOLS_V2.
 735         (all_symbols_read_hook): Use get_symbols_v2; check for
 736         LDPR_PREVAILING_DEF_IRONLY_EXP.
 737         * testsuite/plugin_test_3.sh: Update expected results.
 738
 739 2011-09-23  Simon Baldwin  <simonb@google.com>
 740
 741         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 742         configuration options.
 743         * configure: Regenerate.
 744         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 745         * Makefile.in: Regenerate.
 746         * testsuite/Makefile.in: Regenerate.
 747
 748 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 749
 750         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 751
 752 2011-09-19  Cary Coutant  <ccoutant@google.com>
 753
 754         * incremental.cc (can_incremental_update): Fix typo in comment.
 755         * incremental.h (can_incremental_update): Likewise.
 756
 757 2011-09-18  Cary Coutant  <ccoutant@google.com>
 758
 759         * incremental.cc (can_incremental_update): New function.
 760         * incremental.h (can_incremental_update): New function.
 761         * layout.cc (Layout::init_fixed_output_section): Call it.
 762         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 763         * object.cc (Sized_relobj_file::do_layout): Call
 764         can_incremental_update.
 765
 766 2011-09-13  Cary Coutant  <ccoutant@google.com>
 767
 768         * configure.ac: Check for glibc support for gnu_indirect_function
 769         support with static linking, setting automake conditional
 770         IFUNC_STATIC.
 771         * Makefile.in: Regenerate.
 772         * configure: Regenerate.
 773
 774         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 775         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 776         for IFUNC_STATIC.
 777         * testsuite/Makefile.in: Regenerate.
 778
 779 2011-09-13  Cary Coutant  <ccoutant@google.com>
 780
 781         * incremental.cc (Sized_relobj_incr::do_layout): Call
 782         report_comdat_group for kept comdat sections.
 783         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 784         * testsuite/Makefile.in: Regenerate.
 785         * testsuite/incr_comdat_test_1.cc: New source file.
 786         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 787         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 788         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 789
 790 2011-09-13  Ian Lance Taylor  <iant@google.com>
 791
 792         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 793         variable external_symbols_offset.
 794
 795 2011-09-12  Ian Lance Taylor  <iant@google.com>
 796
 797         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 798         triggered if object has no symbols.
 799
 800 2011-09-09  David S. Miller  <davem@davemloft.net>
 801
 802         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 803         (Output_fill_debug_line::do_write): Likewise.
 804
 805 2011-08-29  Cary Coutant  <ccoutant@google.com>
 806
 807         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 808         casts to match formatting specs.
 809         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 810
 811 2011-08-26  Cary Coutant  <ccoutant@google.com>
 812
 813         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 814         remaining hole size when allocating.
 815         (Layout::make_output_section): Set fill methods for debug sections.
 816         * layout.h (Free_list::Free_list_node): Move from private to
 817         public.
 818         (Free_list::set_min_hole_size): New function.
 819         (Free_list::begin, Free_list::end): New functions.
 820         (Free_list::min_hole_): New data member.
 821         * output.cc: Include dwarf.h.
 822         (Output_fill_debug_info::do_minimum_hole_size): New function.
 823         (Output_fill_debug_info::do_write): New function.
 824         (Output_fill_debug_line::do_minimum_hole_size): New function.
 825         (Output_fill_debug_line::do_write): New function.
 826         (Output_section::Output_section): Initialize new data member.
 827         (Output_section::set_final_data_size): Ensure patch space is larger
 828         than minimum hole size.
 829         (Output_section::do_write): Fill holes in debug sections.
 830         * output.h (Output_fill): New class.
 831         (Output_fill_debug_info): New class.
 832         (Output_fill_debug_line): New class.
 833         (Output_section::set_free_space_fill): New function.
 834         (Output_section::free_space_fill_): New data member.
 835         * testsuite/Makefile.am (incremental_test_3): Add
 836         --incremental-patch option.
 837         (incremental_test_4): Likewise.
 838         (incremental_test_5): Likewise.
 839         (incremental_test_6): Likewise.
 840         (incremental_copy_test): Likewise.
 841         (incremental_common_test_1): Likewise.
 842         * testsuite/Makefile.in: Regenerate.
 843
 844 2011-08-26  Nick Clifton  <nickc@redhat.com>
 845
 846         * po/es.po: Updated Spanish translation.
 847
 848 2011-08-01  Cary Coutant  <ccoutant@google.com>
 849
 850         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 851         * gold/testsuite/Makefile.in: Regenerate.
 852         * gold/testsuite/justsyms_exec.c: New source file.
 853         * gold/testsuite/justsyms_lib.c: New source file.
 854
 855 2011-08-01  Cary Coutant  <ccoutant@google.com>
 856
 857         * layout.cc (Layout::set_segment_offsets): Don't realign text
 858         segment if -Ttext was specified.
 859         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 860         file type.
 861         * object.h (Sized_relobj_file::e_type): New function.
 862         (Sized_relobj_file::e_type_): New data member.
 863         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 864         base address for ET_EXEC files.
 865         * target.cc (Target::do_make_elf_object_implementation): Allow
 866         ET_EXEC files with --just-symbols option.
 867
 868 2011-07-28  Cary Coutant  <ccoutant@google.com>
 869
 870         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 871         Add thread_number parameter.
 872         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 873         * workqueue-threads.cc
 874         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 875         current thread if its thread number is greater than desired thread
 876         count.
 877         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 878         Add thread_number parameter.
 879         (Workqueue::should_cancel_thread): Likewise.
 880         (Workqueue::find_runnable_or_wait): Pass thread_number to
 881         should_cancel_thread.
 882         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 883         parameter.
 884
 885 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 886
 887         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 888         only after checking if it cannot be forced local.
 889         * symtab.h (is_externally_visible): Check if the symbol is not forced
 890         local.
 891
 892 2011-07-15  Ian Lance Taylor  <iant@google.com>
 893
 894         * options.h (class General_options): Add --print-output-format.
 895         Move -EL next to -EB, for  better --help output.
 896         * target-select.cc: Include <cstdio>, "options.h", and
 897         "parameters.h".
 898         (Target_selector::do_target_bfd_name): New function.
 899         (print_output_format): New function.
 900         * target-select.h (class Target_selector): Update declarations.
 901         (Target_selector::target_bfd_name): New function.
 902         (print_output_format): Declare.
 903         * main.cc: Include "target-select.h".
 904         (main): Handle --print-output-format.
 905         * gold.cc: Include "target-select.h".
 906         (queue_initial_tasks): Handle --print-output-format when there are
 907         no input files.
 908         * parameters.cc (parameters_force_valid_target): Give a better
 909         error message if -EB/-EL does not match target.
 910         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 911         function.
 912
 913 2011-07-15  Ian Lance Taylor  <iant@google.com>
 914
 915         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 916         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 917         (Output_data_plt_i386::do_write): Write address of .dynamic
 918         section to first entry in .got.plt section.
 919         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 920         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 921         Initialize layout_.
 922         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 923         section to first entry in .got.plt section.
 924         * layout.h (Layout::dynamic_section): New function.
 925
 926 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 927
 928         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 929         to claim_file call.
 930         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 931         input_section_position_, and input_section_glob_.
 932         (read_layout_from_file): Call function section_ordering_specified.
 933         * layout.h (is_section_ordering_specified): New function.
 934         (section_ordering_specified): New function.
 935         (section_ordering_specified_): New boolean member.
 936         * main.cc(main): Call load_plugins after layout object is defined.
 937         * output.cc (Output_section::add_input_section): Use
 938         function section_ordering_specified to check if section ordering is
 939         needed.
 940         * output.cc (Output_section::add_relaxed_input_section): Use
 941         function section_ordering_specified to check if section ordering is
 942         needed.
 943         (Output_section::update_section_layout): New function.
 944         (Output_section::sort_attached_input_sections): Check if input section
 945         must be reordered.
 946         * output.h (Output_section::update_section_layout): New function.
 947         * plugin.cc (get_section_count): New function.
 948         (get_section_type): New function.
 949         (get_section_name): New function.
 950         (get_section_contents): New function.
 951         (update_section_order): New function.
 952         (allow_section_ordering): New function.
 953         (Plugin::load): Add the new interfaces to the transfer vector.
 954         (Plugin_manager::load_plugins): New parameter.
 955         (Plugin_manager::all_symbols_read): New parameter.
 956         (Plugin_manager::claim_file): New parameter. Save the elf object for
 957         unclaimed objects.
 958         (Plugin_manager::get_elf_object): New function.
 959         (Plugin_manager::get_view): Change to directly use the bool to check
 960         if get_view is called from claim_file_hook.
 961         * plugin.h (input_objects): New function
 962         (Plugin__manager::load_plugins): New parameter.
 963         (Plugin_manager::claim_file): New parameter.
 964         (Plugin_manager::get_elf_object): New function.
 965         (Plugin_manager::in_claim_file_handler): New function.
 966         (Plugin_manager::in_claim_file_handler_): New member.
 967         (layout): New function.
 968         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 969         handler with an extra parameter. Make the elf object before calling
 970         claim_file handler.
 971         * testsuite/plugin_test.c (get_section_count): New function pointer.
 972         (get_section_type): New function pointer.
 973         (get_section_name): New function pointer.
 974         (get_section_contents): New function pointer.
 975         (update_section_order): New function pointer.
 976         (allow_section_ordering): New function pointer.
 977         (onload): Check if the new interfaces exist.
 978
 979 2011-07-13  Ian Lance Taylor  <iant@google.com>
 980
 981         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 982         relro section.
 983         * x86_64.cc (Target_x86_64::got_section): Likewise.
 984         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 985         (relro_now_test_SOURCES): New variable.
 986         (relro_now_test_DEPENDENCIES): New variable.
 987         (relro_now_test_LDFLAGS): New variable.
 988         (relro_now_test_LDADD): New variable.
 989         (relro_now_test.so): New target.
 990         * testsuite/Makefile.in: Rebuild.
 991
 992 2011-07-12  Ian Lance Taylor  <iant@google.com>
 993
 994         PR gold/12980
 995         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 996         GLOB_DAT relocation rather than a RELATIVE relocation for a
 997         protected symbol when creating a shared library.
 998         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 999         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1000         * testsuite/protected_main_1.cc (main): Test that protected
1001         function has same address.
1002
1003 2011-07-11  Ian Lance Taylor  <iant@google.com>
1004
1005         PR gold/12979
1006         * options.h (class General_options): Add -Bgroup.
1007         * options.cc (General_options::finalize): If -Bgroup is set,
1008         default to --unresolved-symbols=report-all.
1009         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1010         * target-reloc.h (issue_undefined_symbol_error): Handle
1011         --unresolved-symbols=report-all.
1012
1013 2011-07-08  Ian Lance Taylor  <iant@google.com>
1014
1015         PR gold/11985
1016         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1017         if linker script discards key sections.
1018         (Layout::create_dynamic_symtab): Likewise.
1019         (Layout::assign_local_dynsym_offsets): Likewise.
1020         (Layout::sized_create_version_sections): Likewise.
1021         (Layout::create_interp): Likewise.
1022         (Layout::finish_dynamic_section): Likewise.
1023         (Layout::set_dynamic_symbol_size): Likewise.
1024
1025 2011-07-08  Ian Lance Taylor  <iant@google.com>
1026
1027         PR gold/12386
1028         * options.h (class General_options): Add --unresolved-symbols.
1029         * target-reloc.h (issue_undefined_symbol_error): Check
1030         --unresolved-symbols.  Add comments.
1031
1032 2011-07-08  Ian Lance Taylor  <iant@google.com>
1033
1034         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1035         expression more complex.
1036
1037 2011-07-08  Ian Lance Taylor  <iant@google.com>
1038
1039         PR gold/11317
1040         * target-reloc.h (issue_undefined_symbol_error): New inline
1041         function, broken out of relocate_section.
1042         (relocate_section): Call issue_undefined_symbol_error.
1043         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1044         there is no TLS segment if we are about to issue an undefined
1045         symbol error.
1046         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1047
1048 2011-07-08  Ian Lance Taylor  <iant@google.com>
1049
1050         PR gold/12279
1051         * resolve.cc (Symbol_table::should_override): Add fromtype
1052         parameter.  Change all callers.  Give error when linking together
1053         TLS and non-TLS symbol.
1054         (Symbol_table::should_override_with_special): Add fromtype
1055         parameter.  Change all callers.
1056         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1057         there is no TLS segment if we have reported some errors.
1058         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1059
1060 2011-07-08  Ian Lance Taylor  <iant@google.com>
1061
1062         PR gold/12372
1063         * target.h (Target::plt_address_for_global): New function.
1064         (Target::plt_address_for_local): New function.
1065         (Target::plt_section_for_global): Remove.
1066         (Target::plt_section_for_local): Remove.
1067         (Target::do_plt_address_for_global): New virtual function.
1068         (Target::do_plt_address_for_local): New virtual function.
1069         (Target::do_plt_section_for_global): Remove.
1070         (Target::do_plt_section_for_local): Remove.
1071         (Target::register_global_plt_entry): Add Symbol_table and Layout
1072         parameters.
1073         * output.cc (Output_data_got::Got_entry::write): Use
1074         plt_address_for_global and plt_address_for_local.
1075         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1076         address of output section.
1077         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1078         got_irelative_, and irelative_count_ fields.  Update
1079         declarations.
1080         (Output_data_plt_i386::has_irelative_section): New function.
1081         (Output_data_plt_i386::entry_count): Add irelative_count_.
1082         (Output_data_plt_i386::set_final_data_size): Likewise.
1083         (class Target_i386): Add got_irelative_ and rel_irelative_
1084         fields.  Update declarations.
1085         (Target_i386::Target_i386): Initialize new fields.
1086         (Target_i386::do_plt_address_for_global): New function replacing
1087         do_plt_section_for_global.
1088         (Target_i386::do_plt_address_for_local): New function replacing
1089         do_plt_section_for_local.
1090         (Target_i386::got_section): Create got_irelative_.
1091         (Target_i386::rel_irelative_section): New function.
1092         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1093         fields.  Don't define __rel_iplt_{start,end}.
1094         (Output_data_plt_i386::add_entry): Add symtab and layout
1095         parameters.  Change all callers.  Use different PLT and GOT for
1096         IFUNC symbols.
1097         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1098         layout parameters.  Change all callers.  Use different PLT and
1099         GOT.
1100         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1101         (Output_data_plt_i386::rel_irelative): New function.
1102         (Output_data_plt_i386::address_for_global): New function.
1103         (Output_data_plt_i386::address_for_local): New function.
1104         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1105         IRELATIVE GOT when changing IFUNC GOT entries.
1106         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1107         reloc.
1108         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1109         if we didn't create an IRELATIVE GOT.
1110         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1111         plt_address_for_local.
1112         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1113         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1114         got_irelative_, and irelative_count_ fields.  Update
1115         declarations.
1116         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1117         Initialize new fields.  Remove symtab parameter.  Change all
1118         callers.
1119         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1120         irelative_count_.
1121         (Output_data_plt_x86_64::has_irelative_section): New function.
1122         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1123         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1124         fields.  Update declarations.
1125         (Target_x86_64::Target_x86_64): Initialize new fields.
1126         (Target_x86_64::do_plt_address_for_global): New function replacing
1127         do_plt_section_for_global.
1128         (Target_x86_64::do_plt_address_for_local): New function replacing
1129         do_plt_section_for_local.
1130         (Target_x86_64::got_section): Create got_irelative_.
1131         (Target_x86_64::rela_irelative_section): New function.
1132         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1133         all callers.  Don't create __rel_iplt_{start,end}.
1134         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1135         parameters.  Change all callers.  Use different PLT and GOT for
1136         IFUNC symbols.
1137         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1138         layout parameters.  Change all callers.  Use different PLT and
1139         GOT.
1140         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1141         parameters.  Change all callers.  Use different PLT and GOT for
1142         IFUNC symbols.
1143         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1144         (Output_data_plt_x86_64::rela_irelative): New function.
1145         (Output_data_plt_x86_64::address_for_global): New function.
1146         (Output_data_plt_x86_64::address_for_local): New function.
1147         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1148         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1149         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1150         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1151         parameters.
1152         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1153         reloc.
1154         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1155         symbols if we didn't create an IRELATIVE GOT.
1156         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1157         plt_address_for_local.
1158         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1159         * testsuite/ifuncvar1.c: New test file.
1160         * testsuite/ifuncvar2.c: New test file.
1161         * testsuite/ifuncvar3.c: New test file.
1162         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1163         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1164         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1165         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1166         * testsuite/Makefile.in: Rebuild.
1167
1168 2011-07-07  Cary Coutant  <ccoutant@google.com>
1169
1170         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1171         (two_file_test_1_ndebug.o): Likewise.
1172         (two_file_test_1b_ndebug.o): Likewise.
1173         (two_file_test_2_ndebug.o): Likewise.
1174         (two_file_test_main_ndebug.o): Likewise.
1175         (incremental_test_2): Link with no-debug versions.
1176
1177 2011-07-06  Cary Coutant  <ccoutant@google.com>
1178
1179         * gold/incremental.cc
1180         (Output_section_incremental_inputs::write_info_blocks): Check for
1181         hidden and internal symbols.
1182
1183 2011-07-06  Cary Coutant  <ccoutant@google.com>
1184
1185         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1186         Check disposition for startup file.
1187         (Incremental_inputs::report_command_line): Ignore
1188         --incremental-startup-unchanged option.
1189         * options.cc (General_options::parse_incremental_startup_unchanged):
1190         New function.
1191         (General_options::General_options): Initialize new data member.
1192         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1193         (General_options): Add --incremental-startup-unchanged option.
1194         (General_options::incremental_startup_disposition): New function.
1195         (General_options::incremental_startup_disposition_): New data member.
1196
1197 2011-07-06  Cary Coutant  <ccoutant@google.com>
1198
1199         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1200         input file index to Script_info ctor.
1201         (Sized_incremental_binary::do_file_has_changed): Find the
1202         command-line argument for files named in scripts.
1203         * incremental.h (Script_info::Script_info): New ctor
1204         with input file index.
1205         (Script_info::input_file_index): New function.
1206         (Script_info::input_file_index_): New data member.
1207         (Incremental_binary::get_library): Add const.
1208         (Incremental_binary::get_script_info): Add const.
1209         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1210         * testsuite/Makefile.am (incremental_test_5): New test case.
1211         (incremental_test_6): New test case.
1212         * testsuite/Makefile.in: Regenerate.
1213
1214 2011-07-06  Cary Coutant  <ccoutant@google.com>
1215
1216         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1217         debug output when command lines differ.
1218
1219 2011-07-06  Cary Coutant  <ccoutant@google.com>
1220
1221         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1222         --incremental-patch option.
1223         * layout.cc (Free_list::allocate): Extend allocation beyond original
1224         end if enabled.
1225         (Layout::make_output_section): Mark sections that should get
1226         patch space.
1227         * options.cc (parse_percent): New function.
1228         * options.h (parse_percent): New function.
1229         (DEFINE_percent): New macro.
1230         (General_options): Add --incremental-patch option.
1231         * output.cc (Output_section::Output_section): Initialize new data
1232         members.
1233         (Output_section::add_input_section): Print section name when out
1234         of patch space.
1235         (Output_section::add_output_section_data): Likewise.
1236         (Output_section::set_final_data_size): Add patch space when
1237         doing --incremental-full.
1238         (Output_section::do_reset_address_and_file_offset): Remove patch
1239         space.
1240         (Output_segment::set_section_list_addresses): Print debug output
1241         only if --incremental-update.
1242         * output.h (Output_section::set_is_patch_space_allowed): New function.
1243         (Output_section::is_patch_space_allowed_): New data member.
1244         (Output_section::patch_space_): New data member.
1245         * parameters.cc (Parameters::incremental_full): New function.
1246         * parameters.h (Parameters::incremental_full): New function
1247         * testsuite/Makefile.am (incremental_test_2): Add test for
1248         --incremental-patch option.
1249         * testsuite/Makefile.in: Regenerate.
1250         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1251         (t18): Remove function body.
1252
1253 2011-07-05  Doug Kwan  <dougkwan@google.com>
1254
1255         PR gold/12771
1256         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1257         Arm_Address type for relocation result.
1258         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1259         overflow check.
1260         (Arm_relocate_functions::abs32): Use unaligned access.
1261         (Arm_relocate_functions::rel32): Ditto.
1262         (Arm_relocate_functions::prel31): Ditto.
1263         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1264         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1265         static data relocations.
1266         * testsuite/Makefile.in: Regnerate.
1267         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1268
1269 2011-07-05  Ian Lance Taylor  <iant@google.com>
1270
1271         PR gold/12392
1272         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1273         symbols if necessary.
1274         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1275
1276 2011-07-05  Ian Lance Taylor  <iant@google.com>
1277
1278         PR gold/12952
1279         * resolve.cc (Symbol::override_base_with_special): Simply override
1280         version with special symbol version, ignoring previous version.
1281
1282 2011-07-05  Ian Lance Taylor  <iant@google.com>
1283
1284         * object.cc (Sized_relobj_file::include_section_group): Add
1285         information to comment about signature location.
1286
1287 2011-07-02  Ian Lance Taylor  <iant@google.com>
1288
1289         PR gold/12957
1290         * options.h (class General_options): Add -f and -F.
1291         * options.cc (General_options::finalize): Fatal error if -f/-F
1292         are used without -shared.
1293         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1294
1295 2011-07-02  Ian Lance Taylor  <iant@google.com>
1296
1297         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1298
1299 2011-07-01  Ian Lance Taylor  <iant@google.com>
1300
1301         PR gold/12525
1302         PR gold/12952
1303         * resolve.cc (Symbol::override_base_with_special): Don't override
1304         the version if the overriding symbol has a different name.
1305         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1306         all callers.  If we give an error about an undefined version,
1307         define the base version if necessary.
1308         * dynobj.h (class Versions): Update declaration.
1309         * testsuite/weak_alias_test_5.cc: New file.
1310         * testsuite/weak_alias_test.script: New file.
1311         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1312         and versioned_alias have the right value, and call t2.
1313         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1314         weak_alias_test_5.so.
1315         (weak_alias_test_LDADD): Likewise.
1316         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1317         * testsuite/Makefile.in: Rebuild.
1318
1319 2011-07-01  Ian Lance Taylor  <iant@google.com>
1320
1321         PR gold/12525
1322         * options.h (class General_options): Support -z notext.
1323         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1324         -Wl,-z,notext.
1325         (two_file_shared_nonpic.so): Likewise.
1326         (two_file_shared_mixed.so): Likewise.
1327         (two_file_shared_mixed_1.so): Likewise.
1328         (weak_undef_lib_nonpic.so): Likewise.
1329         (alt/weak_undef_lib_nonpic.so): Likewise.
1330         (tls_test_shared_nonpic.so): Likewise.
1331         * testsuite/Makefile.in: Rebuild.
1332
1333 2011-07-01  Ian Lance Taylor  <iant@google.com>
1334
1335         PR gold/12525
1336         * configure.ac: Test whether static linking works, setting
1337         the automake conditional HAVE_STATIC.
1338         * testsuite/Makefile.am: Disable tests using -static if
1339         HAVE_STATIC is not true.
1340         * configure, testsuite/Makefile.in: Rebuild.
1341
1342 2011-07-01  Ian Lance Taylor  <iant@google.com>
1343
1344         PR gold/12525
1345         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1346         Assert if we see DW_EH_PE_indirect.
1347         * target.h (Target::ehframe_datarel_base): New function.
1348         (Target::do_ehframe_datarel_base): New target function.
1349         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1350         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1351         function.
1352
1353 2011-07-01  Ian Lance Taylor  <iant@google.com>
1354
1355         PR gold/12571
1356         * options.h (class General_options): Add
1357         --ld-generated-unwind-info.
1358         * ehframe.cc (Fde::write): Add address parameter.  Change all
1359         callers.  If associated with PLT, fill in address and size.
1360         (Cie::set_output_offset): Only add merge mapping if there is an
1361         object.
1362         (Cie::write): Add address parameter.  Change all callers.
1363         (Eh_frame::add_ehframe_for_plt): New function.
1364         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1365         input_offset_ fields into union u_, with new plt field.
1366         (Fde::Fde): Adjust for new union field.
1367         (Fde::Fde) [Output_data version]: New constructor.
1368         (Fde::add_mapping): Only add merge mapping if there is an object.
1369         (class Cie): Update declarations.
1370         (class Eh_frame): Declare add_ehframe_for_plt.
1371         * layout.cc (Layout::layout_eh_frame): Break out code into
1372         make_eh_frame_section, and call it.
1373         (Layout::make_eh_frame_section): New function.
1374         (Layout::add_eh_frame_for_plt): New function.
1375         * layout.h (class Layout): Update declarations.
1376         * merge.cc (Merge_map::add_mapping): Add assertion.
1377         * i386.cc: Include "dwarf.h".
1378         (class Output_data_plt_i386): Make first_plt_entry,
1379         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1380         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1381         and plt_eh_frame_fde.
1382         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1383         boundary.  Call add_eh_frame_for_plt if appropriate.
1384         * x86_64.cc: Include "dwarf.h".
1385         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1386         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1387         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1388         and plt_eh_frame_fde.
1389         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1390         appropriate.
1391
1392 2011-06-29  Ian Lance Taylor  <iant@google.com>
1393
1394         PR gold/12629
1395         * object.cc (Sized_relobj_file::layout_section): Change shdr
1396         parameter to be const.
1397         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1398         out of do_layout.
1399         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1400         appropriate.  Call layout_eh_frame_section.
1401         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1402         sections.
1403         * object.h (class Sized_relobj_file): Update declarations.
1404
1405 2011-06-29  Ian Lance Taylor  <iant@google.com>
1406
1407         PR gold/12652
1408         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1409         modifier.
1410         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1411
1412 2011-06-29  Ian Lance Taylor  <iant@google.com>
1413
1414         PR gold/12675
1415         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1416         SHT_X86_64_UNWIND.
1417         * layout.cc (Layout::layout_eh_frame): Likewise.
1418
1419 2011-06-29  Ian Lance Taylor  <iant@google.com>
1420
1421         PR gold/12695
1422         * layout.cc (Layout::symtab_section_shndx): New function.
1423         * layout.h (class Layout): Declare symtab_section_shndx.
1424         * output.cc (Output_section::write_header): Call it.
1425
1426 2011-06-29  Ian Lance Taylor  <iant@google.com>
1427
1428         PR gold/12818
1429         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1430         symbols which are not used in a relocation.
1431
1432 2011-06-28  Ian Lance Taylor  <iant@google.com>
1433
1434         PR gold/12898
1435         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1436         script create indistinguishable segments.
1437         (Layout::set_segment_offsets): Use stable_sort when sorting
1438         segments.  Pass this to Compare_segments constructor.
1439         * layout.h (class Layout): Make segment_precedes non-static.
1440         (class Compare_segments): Change from struct to class.  Add
1441         layout_ field.  Add constructor.
1442         * script-sections.cc
1443         (Script_sections::attach_sections_using_phdrs_clause): Rename
1444         local orphan to is_orphan.  Don't report failure to put empty
1445         section in segment.  On attachment failure, report name of
1446         section, and attach to first PT_LOAD segment.
1447
1448 2011-06-28  Ian Lance Taylor  <iant@google.com>
1449
1450         PR gold/12934
1451         * target-select.cc (Target_selector::Target_selector): Add
1452         emulation parameter.  Change all callers.
1453         (select_target_by_bfd_name): Rename from select_target_by_name.
1454         Change all callers.
1455         (select_target_by_emulation): New function.
1456         (supported_emulation_names): New function.
1457         * target-select.h (class Target_selector): Add emulation_ field.
1458         Update declarations.
1459         (Target_selector::recognize_by_bfd_name): Rename from
1460         recognize_by_name.  Change all callers.
1461         (Target_selector::supported_bfd_names): Rename from
1462         supported_names.  Change all callers.
1463         (Target_selector::recognize_by_emulation): New function.
1464         (Target_selector::supported_emulations): New function.
1465         (Target_selector::emulation): New function.
1466         (Target_selector::do_recognize_by_bfd_name): Rename from
1467         do_recognize_by_name.  Change all callers.
1468         (Target_selector::do_supported_bfd_names): Rename from
1469         do_supported_names.  Change all callers.
1470         (Target_selector::do_recognize_by_emulation): New function.
1471         (Target_selector::do_supported_emulations): New function.
1472         (select_target_by_bfd_name): Change name in declaration.
1473         (select_target_by_emulation): Declare.
1474         (supported_emulation_names): Declare.
1475         * parameters.cc (parameters_force_valid_target): Try to find
1476         target based on emulation from -m option.
1477         * options.h (class General_options): Change doc string for -m.
1478         * options.cc (help): Print emulations.
1479         (General_options::parse_V): Likewise.
1480         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1481         Add emulation parameter.  Change all callers.
1482
1483 2011-06-28  Ian Lance Taylor  <iant@google.com>
1484
1485         * target.h (class Target): Add osabi_ field.
1486         (Target::osabi): New function.
1487         (Target::set_osabi): New function.
1488         (Target::Target): Initialize osabi_.
1489         (Target::do_adjust_elf_header): Make pure virtual.
1490         (Sized_target::do_adjust_elf_header): Declare.
1491         * target.cc (Sized_target::do_adjust_elf_header): New function.
1492         (class Sized_target): Instantiate all versions.
1493         * freebsd.h (class Target_freebsd): Remove.
1494         (Target_selector_freebsd::do_recognize): Call set_osabi on
1495         Target.
1496         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1497         (Target_selector_freebsd::set_osabi): Remove.
1498         * i386.cc (class Target_i386): Inherit from Sized_target rather
1499         than Target_freebsd.
1500         * x86_64.cc (class Target_x86_64): Likewise.
1501
1502 2011-06-28  Ian Lance Taylor  <iant@google.com>
1503
1504         * target.h (Target::can_check_for_function_pointers): Rewrite.
1505         Make non-virtual.
1506         (Target::can_icf_inline_merge_sections): Likewise.
1507         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1508         (Target::Target_info): Add can_icf_inline_merge_sections field.
1509         (Target::do_can_check_for_function_pointers): New virtual
1510         function.
1511         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1512         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1513         from can_check_for_function_pointers, move in file.
1514         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1515         section_may_have_icf_unsafe_poineters, move in file.
1516         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1517         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1518         Rename from can_check_for_function_pointers, move in file.
1519         (Target_i386::can_icf_inline_merge_sections): Remove.
1520         (Target_i386::i386_info): Initialize
1521         can_icf_inline_merge_sections.
1522         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1523         Initialize can_icf_inline_merge_sections.
1524         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1525         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1526         Rename from can_check_for_function_pointers, move in file.
1527         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1528         (Target_x86_64::x86_64_info): Initialize
1529         can_icf_inline_merge_sections.
1530         * testsuite/testfile.cc (Target_test::test_target_info):
1531         Likewise.
1532         * icf.cc (get_section_contents): Correct formatting.
1533
1534 2011-06-27  Ian Lance Taylor  <iant@google.com>
1535
1536         * symtab.cc (Symbol::versioned_name): New function.
1537         (Symbol_table::add_to_final_symtab): Use versioned_name when
1538         appropriate.
1539         (Symbol_table::sized_write_symbol): Likewise.
1540         * symtab.h (class Symbol): Declare versioned_name.
1541         * stringpool.h (class Stringpool_template): Add variant of add
1542         which takes a std::basic_string.
1543         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1544         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1545         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1546         (ver_test_12.o): New target.
1547         * testsuite/Makefile.in: Rebuild.
1548
1549 2011-06-27  Doug Kwan  <dougkwan@google.com>
1550
1551         * arm.cc (Arm_relocate_functions::thm_jump8,
1552         Arm_relocate_functions::thm_jump11): Use a wider signed
1553         type to compute offset.
1554         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1555         arm_thm_jump8.
1556         * testsuite/Makefile.in: Regenerate.
1557         * testsuite/arm_branch_in_range.sh: Check test results of
1558         arm_thm_jump11 and arm_thm_jump8.
1559         * testsuite/arm_thm_jump11.s: New test source file.
1560         * testsuite/arm_thm_jump11.t: New linker script.
1561         * testsuite/arm_thm_jump8.s: New test source file.
1562         * testsuite/arm_thm_jump8.t: New linker script.
1563
1564 2011-06-24  Ian Lance Taylor  <iant@google.com>
1565
1566         * layout.cc: Include "object.h".
1567         (ctors_sections_in_init_array): New static variable.
1568         (Layout::is_ctors_in_init_array): New function.
1569         (Layout::layout): Add entry to ctors_sections_in_init_array if
1570         appropriate.
1571         * layout.h (class Layout): Declare is_ctors_in_init_array.
1572         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1573         is_ctors_reverse_view is set.
1574         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1575         all callers.  Set is_ctors_reverse_view field of View_size.
1576         (Sized_relobj_file::reverse_words): New function.
1577         * object.h (Sized_relobj_file::View_size): Add
1578         is_ctors_reverse_view field.
1579         (class Sized_relobj_file): Update declarations.
1580         * testsuite/initpri3.c: New test.
1581         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1582         initpri3b.
1583         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1584         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1585         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1586         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1587         * testsuite/Makefile.in: Rebuild.
1588
1589 2011-06-24  Cary Coutant  <ccoutant@google.com>
1590
1591         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1592         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1593         (debug_msg_cdebug.err): New targets.
1594         * testsuite/Makefile.in: Regenerate.
1595         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1596         Fix checks for link with shared library.
1597
1598 2011-06-24  Doug Kwan  <dougkwan@google.com>
1599
1600         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1601         skip empty text sections.
1602         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1603
1604 2011-06-22  Ian Lance Taylor  <iant@google.com>
1605
1606         PR gold/12910
1607         * options.h (class General_options): Add --ctors-in-init-array.
1608         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1609         friends as SHT_PROGBITS for merging sections.
1610         (Layout::layout): Remove special handling of .init_array and
1611         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1612         and .dtors if ctors_in_init_array.
1613         (Layout::make_output_section): Force correct section types for
1614         .init_array and friends.  Don't sort if doing relocatable link,
1615         Don't sort .ctors and .dtors if ctors_in_init_array.
1616         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1617         (Layout::output_section_name): Add relobj parameter.  Change all
1618         callers.  Handle .ctors. and .dtors. in code rather than table.
1619         Handle .ctors and .dtors if ctors_in_init_array.
1620         (Layout::match_file_name): New function, moved from output.cc.
1621         * layout.h (class Layout): Update declarations.
1622         * output.cc: Include "layout.h".
1623         (Input_section_sort_entry::get_priority): New function.
1624         (Input_section_sort_entry::match_file_name): Just call
1625         Layout::match_file_name.
1626         (Output_section::Input_section_sort_init_fini_compare::operator()):
1627         Handle .ctors and .dtors.  Sort by explicit priority rather than
1628         by name.
1629         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1630         * testsuite/initpri2.c: New test.
1631         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1632         (check_PROGRAMS): Add initpri2.
1633         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1634         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1635         * configure, testsuite/Makefile.in: Rebuild.
1636
1637 2011-06-19  Ian Lance Taylor  <iant@google.com>
1638
1639         PR gold/12880
1640         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1641         .interp section to a PT_INTERP segment even if we have seen a
1642         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1643         clause in a linker script.
1644         (Layout::finalize): Don't create a .interp section if we've
1645         already create a PT_INTERP segment.
1646         (Layout::create_interp): Always call choose_output_section (revert
1647         patch of 2011-06-17).  Don't create PT_INTERP segment.
1648         * script-sections.cc
1649         (Script_sections::create_note_and_tls_segments): Add a .interp
1650         section to a PT_INTERP segment even if we have seen a
1651         --dynamic-linker option.
1652
1653 2011-06-18  Ian Lance Taylor  <iant@google.com>
1654
1655         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1656         merely because a non-PT_LOAD segment has a dynamic reloc.
1657
1658 2011-06-18  Ian Lance Taylor  <iant@google.com>
1659
1660         * layout.cc (Layout::finish_dynamic_section): Don't create
1661         DT_FLAGS entry if not needed.
1662
1663 2011-06-18  Ian Lance Taylor  <iant@google.com>
1664
1665         PR gold/12745
1666         * layout.cc (Layout::layout_eh_frame): Correct handling of
1667         writable .eh_frame section.
1668
1669 2011-06-17  Ian Lance Taylor  <iant@google.com>
1670
1671         PR gold/12893
1672         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1673         symbol is redefined with the exact same object and value.
1674
1675 2011-06-17  Ian Lance Taylor  <iant@google.com>
1676
1677         PR gold/12880
1678         * layout.h (class Layout): Add interp_segment_ field.
1679         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1680         (Layout::attach_allocated_section_to_segment): If making shared
1681         library, put .interp section in PT_INTERP segment.
1682         (Layout::finalize): Also call create_interp if -dynamic-linker
1683         option was used.
1684         (Layout::create_interp): Assert that there is no PT_INTERP
1685         segment.  If not using a SECTIONS clause, use make_output_section.
1686         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1687         * script-sections.cc
1688         (Script_sections::create_note_and_tls_segments): If making shared
1689         library, put .interp section in PT_INTERP segment.
1690
1691 2011-06-17  Ian Lance Taylor  <iant@google.com>
1692
1693         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1694         when making a shared library.
1695
1696 2011-06-17  Ian Lance Taylor  <iant@google.com>
1697
1698         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1699         parameter.  Change all callers.  Don't issue warning about PC32
1700         against locally defined symbol.
1701
1702 2011-06-16  Ian Lance Taylor  <iant@google.com>
1703
1704         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1705         occurs in same object.
1706
1707 2011-06-14  Alan Modra  <amodra@gmail.com>
1708
1709         * po/POTFILES.in: Regenerate.
1710
1711 2011-06-09  Ian Lance Taylor  <iant@google.com>
1712
1713         * script-sections.cc
1714         (Orphan_output_section::set_section_addresses): For a relocatable
1715         link set address to 0.
1716
1717 2011-06-09  Cary Coutant  <ccoutant@google.com>
1718
1719         PR gold/12804
1720         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1721         used with --compress-debug-sections.
1722         * gold/object.cc (Sized_relobj_file::do_layout): Report
1723         uncompressed size of compressed input sections.
1724
1725 2011-06-08  Cary Coutant  <ccoutant@google.com>
1726
1727         PR gold/12804
1728         * testsuite/two_file_test_2_v1.cc: Change initialization of
1729         v2 to keep it in .data.
1730
1731 2011-06-07  Cary Coutant  <ccoutant@google.com>
1732
1733         * common.cc (Symbol_table::do_allocate_commons_list): Call
1734         gold_fallback.
1735         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1736         (Errors::fallback): New function.
1737         (gold_fallback): New function.
1738         * errors.h (Errors::fallback): New function.
1739         * gold.cc (gold_exit): Change status parameter to enum; adjust
1740         all callers.
1741         (queue_initial_tasks): Call gold_fallback.
1742         * gold.h: Include cstdlib.
1743         (Exit_status): New enum type.
1744         (gold_exit): Change status parameter to enum.
1745         (gold_fallback): New function.
1746         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1747         (Layout::create_symtab_sections): Likewise.
1748         (Layout::create_shdrs): Likewise.
1749         * main.cc (main): Adjust call to gold_exit.
1750         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1751         (Output_data_got::add_got_entry_pair): Likewise.
1752         (Output_section::add_input_section): Likewise.
1753         (Output_section::add_output_section_data): Likewise.
1754         (Output_segment::set_section_list_addresses): Likewise.
1755         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1756
1757 2011-06-07  Cary Coutant  <ccoutant@google.com>
1758
1759         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1760         for incremental links.
1761         * output.cc (Output_segment::set_section_list_addresses): Remove
1762         FIXME and test for TLS or BSS.
1763
1764 2011-06-07  Cary Coutant  <ccoutant@google.com>
1765
1766         * testsuite/Makefile.am: Add incremental_copy_test,
1767         incremental_common_test_1.
1768         * testsuite/Makefile.in: Regenerate.
1769         * testsuite/common_test_1_v1.c: New source file.
1770         * testsuite/common_test_1_v2.c: New source file.
1771         * testsuite/copy_test_v1.cc: New source file.
1772
1773 2011-06-07  Cary Coutant  <ccoutant@google.com>
1774
1775         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1776         update, allocate common from bss section's free list.
1777         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1778         linker-defined symbols.
1779         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1780         Skip GOT and PLT entries that are no longer referenced.
1781         (Output_section_incremental_inputs::write_info_blocks): Mark
1782         linker-defined symbols.
1783         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1784         * output.cc (Output_section::allocate): New function.
1785         * output.h (Output_section::allocate): New function.
1786         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1787         linker-defined symbols.
1788         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1789         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1790         (Symbol::init_base_output_data): Likewise.
1791         (Symbol::init_base_output_segment): Likewise.
1792         (Symbol::init_base_constant): Likewise.
1793         (Sized_symbol::init_output_data): Likewise.
1794         (Sized_symbol::init_output_segment): Likewise.
1795         (Sized_symbol::init_constant): Likewise.
1796         (Symbol_table::do_define_in_output_data): Likewise.
1797         (Symbol_table::do_define_in_output_segment): Likewise.
1798         (Symbol_table::do_define_as_constant): Likewise.
1799         * symtab.h (Symbol::is_predefined): New function.
1800         (Symbol::init_base_output_data): Add is_predefined parameter.
1801         (Symbol::init_base_output_segment): Likewise.
1802         (Symbol::init_base_constant): Likewise.
1803         (Symbol::is_predefined_): New data member.
1804         (Sized_symbol::init_output_data): Add is_predefined parameter.
1805         (Sized_symbol::init_output_segment): Likewise.
1806         (Sized_symbol::init_constant): Likewise.
1807         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1808
1809 2011-06-07  Cary Coutant  <ccoutant@google.com>
1810
1811         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1812         instead of emit_copy_reloc.
1813         (Copy_relocs::emit_copy_reloc): Refactor.
1814         (Copy_relocs::make_copy_reloc): New function.
1815         (Copy_relocs::add_copy_reloc): Remove.
1816         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1817         section.
1818         (Copy_relocs::make_copy_reloc): New function.
1819         (Copy_relocs::add_copy_reloc): Remove.
1820         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1821         unchanged input files.
1822         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1823         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1824         Reserve BSS space for COPY relocations.
1825         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1826         (Output_section_incremental_inputs::write_info_blocks): Record
1827         whether a symbol is copied from a shared object.
1828         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1829         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1830         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1831         (Incremental_input_entry_reader::get_output_symbol_index): Add
1832         is_copy parameter.
1833         (Incremental_binary::emit_copy_relocs): New function.
1834         (Incremental_binary::do_emit_copy_relocs): New function.
1835         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1836         new data member.
1837         (Sized_incremental_binary::add_copy_reloc): New function.
1838         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1839         (Sized_incremental_binary::Copy_reloc): New struct.
1840         (Sized_incremental_binary::Copy_relocs): New typedef.
1841         (Sized_incremental_binary::copy_relocs_): New data member.
1842         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1843         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1844         * target.h (Sized_target::emit_copy_reloc): New function.
1845         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1846
1847 2011-06-02  Cary Coutant  <ccoutant@google.com>
1848
1849         PR gold/12163
1850         * gold/archive.cc (Archive::Archive): Initialize new data member.
1851         (Archive::include_all_members): Return if archive has already been
1852         included.
1853         * gold/archive.h (Archive::include_all_members_): New data member.
1854
1855 2011-06-02  Nick Clifton  <nickc@redhat.com>
1856
1857         * dynobj.h: Fix spelling mistake in comment.
1858         * output.cc: Likewise.
1859
1860 2011-05-31  Doug Kwan  <dougkwan@google.com>
1861             Asier Llano
1862
1863         PR gold/12826
1864         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1865         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1866         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1867         redundant arm_exidx_test.so.
1868         * testsuite/Makefile.in: Regenerate.
1869         (check_SCRIPTS): Add pr12826.sh
1870         (check_DATA): Add pr12826.stdout
1871         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1872         * testsuite/pr12826.sh: New file.
1873         * testsuite/pr12826_1.s: Ditto.
1874         * testsuite/pr12826_1.s: Ditto.
1875
1876 2011-05-30  Ian Lance Taylor  <iant@google.com>
1877
1878         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1879         sections.
1880
1881 2011-05-29  Ian Lance Taylor  <iant@google.com>
1882
1883         PR gold/12804
1884         * testsuite/Makefile.am: Use different file name for two_file_test
1885         temporary file for each incremental test.
1886         * testsuite/Makefile.in: Rebuild.
1887
1888 2011-05-29  Ian Lance Taylor  <iant@google.com>
1889
1890         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1891         binary input file is empty.
1892
1893 2011-05-27  Ian Lance Taylor  <iant@google.com>
1894
1895         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1896         (ver_test_9.so): Likewise.
1897         * testsuite/Makefile.in: Rebuild.
1898
1899 2011-05-26 Cary Coutant  <ccoutant@google.com>
1900
1901         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1902         * incremental.cc (Incremental_inputs::report_input_section): Fix
1903         comment, indentation.
1904         (Incremental_inputs::report_comdat_group): New function.
1905         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1906         of data for incremental input file entry.
1907         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1908         group count, COMDAT group signatures.
1909         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1910         an unchanged input file.
1911         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1912         Initialize new data member.
1913         (Incremental_object_entry::add_comdat_group): New function.
1914         (Incremental_object_entry::get_comdat_group_count): New function.
1915         (Incremental_object_entry::get_comdat_signature_key): New function.
1916         (Incremental_object_entry::groups_): New data member.
1917         (Incremental_inputs::report_comdat_group): New function.
1918         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1919         data for incremental input file entry.
1920         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1921         (Incremental_input_entry_reader::get_input_section): Adjust size of
1922         data for incremental input file entry.
1923         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1924         (Incremental_input_entry_reader::get_comdat_group_signature): New
1925         function.
1926         * object.cc (Sized_relobj::include_section_group): Report kept
1927         COMDAT groups for incremental links.
1928
1929 2011-05-24  David Meyer  <pdox@google.com>
1930
1931         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1932         with name parameter.  Add found_name parameter.
1933         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1934         * dirsearch.h (class Dirsearch): Update declaration.
1935
1936 2011-05-24  Ian Lance Taylor  <iant@google.com>
1937
1938         * archive.cc (Library_base::should_include_member): Pull in object
1939         from archive if it defines the entry symbol.
1940         * parameters.cc (Parameters::entry): New function.
1941         * parameters.h (class Parameters): Declare entry.
1942         * output.h (class Output_file_header): Remove entry_ field.
1943         * output.cc (Output_file_header::Output_file_header): Remove entry
1944         parameter.  Change all callers.
1945         (Output_file_header::entry): Use parameters->entry.
1946         * gold.cc (queue_middle_tasks): Likewise.
1947         * plugin.cc (Plugin_hook::run): Likewise.
1948
1949 2011-05-24 Cary Coutant  <ccoutant@google.com>
1950
1951         * gold.cc (queue_initial_tasks): Pass incremental base filename
1952         to Output_file::open_base_file; don't print error message.
1953         * incremental-dump.cc (main): Adjust call to
1954         Output_file::open_for_modification.
1955         * incremental-dump.cc (main): Likewise.
1956         * incremental.cc (Incremental_inputs::report_command_line):
1957         Ignore --incremental-base option when comparing command lines.
1958         Ignore parameter when given as separate argument.
1959         * options.h (class General_options): Add --incremental-base.
1960         * output.cc (Output_file::Output_file):
1961         (Output_file::open_base_file): Add base_name and writable parameters;
1962         read base file into new file; print error message here.
1963         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1964         callers.
1965         * output.h (Output_file::open_for_modification): Rename to...
1966         (Output_file::open_base_file): ...this; add base_name and
1967         writable parameters; adjust all callers.
1968         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1969         callers.
1970         * testsuite/Makefile.am (incremental_test_4): Test
1971         --incremental-base.
1972         * testsuite/Makefile.in: Regenerate.
1973
1974 2011-05-24 Cary Coutant  <ccoutant@google.com>
1975
1976         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1977         incremental_test_4.
1978         * testsuite/Makefile.in: Regenerate.
1979         * testsuite/two_file_test_1_v1.cc: New test source file.
1980         * testsuite/two_file_test_1b_v1.cc: New test source file.
1981         * testsuite/two_file_test_2_v1.cc: New test source file.
1982
1983 2011-05-24 Cary Coutant  <ccoutant@google.com>
1984
1985         * dynobj.h (Dynobj::do_dynobj): New function.
1986         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1987         flag and soname for shared objects.
1988         * incremental.cc (Incremental_inputs::report_object): Make
1989         either Incremental_object_entry or Incremental_dynobj_entry; add
1990         soname to string table.
1991         (Incremental_inputs::report_input_section): Add assertion.
1992         (Output_section_incremental_inputs::set_final_data_size): Adjust
1993         type of input file entry for shared libraries; adjust size of
1994         shared library info entry.
1995         (Output_section_incremental_inputs::write_input_files): Write
1996         as_needed flag for shared libraries.
1997         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1998         of input file entry for shared libraries; write soname.
1999         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2000         soname from incremental info.
2001         * incremental.h (enum Incremental_input_flags): Add
2002         INCREMENTAL_INPUT_AS_NEEDED.
2003         (Incremental_input_entry::Incremental_input_entry): Initialize new
2004         data member.
2005         (Incremental_input_entry::set_as_needed): New function.
2006         (Incremental_input_entry::as_needed): New function.
2007         (Incremental_input_entry::do_dynobj_entry): New function.
2008         (Incremental_input_entry::as_needed_): New data member.
2009         (Incremental_object_entry::Incremental_object_entry): Don't check
2010         for shared library.
2011         (Incremental_object_entry::do_type): Likewise.
2012         (class Incremental_dynobj_entry): New class.
2013         (Incremental_input_entry_reader::as_needed): New function.
2014         (Incremental_input_entry_reader::get_soname): New function.
2015         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2016         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2017         size of shared library info entry.
2018         * layout.cc (Layout::finish_dynamic_section): Don't test for
2019         incremental link when adding DT_NEEDED entries.
2020         * object.h (Object::Object): Initialize new data member.
2021         (Object::dynobj): New function.
2022         (Object::set_as_needed): New function.
2023         (Object::as_needed): New function.
2024         (Object::do_dynobj): New function.
2025         (Object::as_needed_): New data member.
2026
2027 2011-05-24 Cary Coutant  <ccoutant@google.com>
2028
2029         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2030         info; adjust display of GOT entries.
2031         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2032         vector of input objects; remove file_status_.
2033         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2034         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2035         got_plt reader; call target hooks to reserve GOT entries.
2036         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2037         of input file info header and GOT info entry.
2038         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2039         relocation info.
2040         (Got_plt_view_info::got_descriptor): Remove.
2041         (Got_plt_view_info::sym_index): New data member.
2042         (Got_plt_view_info::input_index): New data member.
2043         (Local_got_offset_visitor::visit): Write input file index.
2044         (Global_got_offset_visitor::visit): Write 0 for input file index.
2045         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2046         with sym_index and input_index.
2047         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2048         incremental info GOT entry; replace got_descriptor with input_index.
2049         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2050         map from input file index to object.
2051         (Sized_relobj_incr::do_layout): Replace direct data member reference
2052         with accessor function.
2053         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2054         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2055         Adjust size of input file info header.
2056         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2057         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2058         (Incremental_input_entry_reader::get_input_section): Adjust size of
2059         input file info header.
2060         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2061         of incremental info GOT entry.
2062         (Incremental_got_plt_reader::get_got_desc): Remove.
2063         (Incremental_got_plt_reader::get_got_symndx): New function.
2064         (Incremental_got_plt_reader::get_got_input_index): New function.
2065         (Sized_incremental_binary::Sized_incremental_binary): Remove
2066         file_status_; add input_objects_.
2067         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2068         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2069         (Sized_incremental_binary::file_is_unchanged): Remove.
2070         (Sized_incremental_binary::set_input_object): New function.
2071         (Sized_incremental_binary::input_object): New function.
2072         (Sized_incremental_binary::file_status_): Remove.
2073         (Sized_incremental_binary::input_objects_): New data member.
2074         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2075         references.
2076         (Sized_relobj_incr::invalid_address): Move to base class.
2077         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2078         class.
2079         (Sized_relobj_incr::do_output_section_offset): Likewise.
2080         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2081         (Sized_relobj_incr::section_offsets_): Likewise.
2082         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2083         function.
2084         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2085         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2086         with accessor function.
2087         (Sized_relobj_file::do_layout): Likewise.
2088         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2089         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2090         (Sized_relobj_file::compute_final_local_value): Replace refs to
2091         section_offsets_ with accessor function.
2092         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2093         * object.h (Relobj::Relobj): Initialize new data members.
2094         (Relobj::add_dyn_reloc): New function.
2095         (Relobj::first_dyn_reloc): New function.
2096         (Relobj::dyn_reloc_count): New function.
2097         (Relobj::first_dyn_reloc_): New data member.
2098         (Relobj::dyn_reloc_count_): New data member.
2099         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2100         references.
2101         (Sized_relobj::Address): New typedef.
2102         (Sized_relobj::invalid_address): Move here from child class.
2103         (Sized_relobj::Sized_relobj): Initialize new data members.
2104         (Sized_relobj::sized_relobj): New function.
2105         (Sized_relobj::is_output_section_offset_invalid): Move here from
2106         child class.
2107         (Sized_relobj::get_output_section_offset): Likewise.
2108         (Sized_relobj::local_has_got_offset): Likewise.
2109         (Sized_relobj::local_got_offset): Likewise.
2110         (Sized_relobj::set_local_got_offset): Likewise.
2111         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2112         (Sized_relobj::clear_got_offsets): New function.
2113         (Sized_relobj::section_offsets): Move here from child class.
2114         (Sized_relobj::do_output_section_offset): Likewise.
2115         (Sized_relobj::do_set_section_offset): Likewise.
2116         (Sized_relobj::Local_got_offsets): Likewise.
2117         (Sized_relobj::local_got_offsets_): Likewise.
2118         (Sized_relobj::section_offsets_): Likewise.
2119         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2120         references.
2121         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2122         class.
2123         (Sized_relobj_file::sized_relobj): New function
2124         (Sized_relobj_file::local_has_got_offset): Move to base class.
2125         (Sized_relobj_file::local_got_offset): Likewise.
2126         (Sized_relobj_file::set_local_got_offset): Likewise.
2127         (Sized_relobj_file::get_output_section_offset): Likewise.
2128         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2129         (Sized_relobj_file::do_output_section_offset): Likewise.
2130         (Sized_relobj_file::do_set_section_offset): Likewise.
2131         (Sized_relobj_file::Local_got_offsets): Likewise.
2132         (Sized_relobj_file::local_got_offsets_): Likewise.
2133         (Sized_relobj_file::section_offsets_): Likewise.
2134         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2135         (all constructors).
2136         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2137         (Output_reloc::get_symbol_index): Likewise.
2138         (Output_reloc::local_section_offset): Likewise.
2139         (Output_reloc::get_address): Likewise.
2140         (Output_reloc::symbol_value): Likewise.
2141         (Output_data_got::reserve_slot): Move to class definition.
2142         (Output_data_got::reserve_local): New function.
2143         (Output_data_got::reserve_slot_for_global): Remove.
2144         (Output_data_got::reserve_global): New function.
2145         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2146         (all constructors, two instantiations).
2147         (Output_reloc::get_relobj): New function (two instantiations).
2148         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2149         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2150         (Output_data_reloc::add_global): Adjust type of relobj.
2151         (Output_data_reloc::add_global_relative): Likewise.
2152         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2153         (Output_data_reloc::add_local): Likewise.
2154         (Output_data_reloc::add_local_relative): Likewise.
2155         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2156         (Output_data_reloc::add_local_section): Likewise.
2157         (Output_data_reloc::add_output_section): Likewise.
2158         (Output_data_reloc::add_absolute): Likewise.
2159         (Output_data_reloc::add_target_specific): Likewise.
2160         (Output_data_got::reserve_slot): Move definition here.
2161         (Output_data_got::reserve_local): New function.
2162         (Output_data_got::reserve_global): New function.
2163         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2164         section_offsets_ with accessor function.
2165         (Sized_relobj_file::write_sections): Likewise.
2166         (Sized_relobj_file::do_relocate_sections): Likewise.
2167         * target.h (Sized_target::reserve_local_got_entry): New function.
2168         (Sized_target::reserve_global_got_entry): New function.
2169         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2170         (Target_x86_64::reserve_global_got_entry): New function.
2171         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2172
2173 2011-05-23 Cary Coutant  <ccoutant@google.com>
2174
2175         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2176         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2177         bit when checking got_type.
2178         * incremental.cc (Sized_incremental_binary::setup_readers):
2179         Store symbol table and string table locations; initialize bit vector
2180         of file status flags.
2181         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2182         unchanged files.
2183         (Sized_incremental_binary::do_process_got_plt): New function.
2184         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2185         (Output_section_incremental_inputs::set_final_data_size): Record
2186         file index for each input file.
2187         (Output_section_incremental_inputs::write_got_plt): Store file index
2188         instead of input entry offset for each GOT entry.
2189         * incremental.h
2190         (Incremental_input_entry::Incremental_input_entry): Initialize new
2191         data member.
2192         (Incremental_input_entry::set_offset): Store file index.
2193         (Incremental_input_entry::get_file_index): New function.
2194         (Incremental_input_entry::file_index_): New data member.
2195         (Incremental_binary::process_got_plt): New function.
2196         (Incremental_binary::do_process_got_plt): New function.
2197         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2198         data members.
2199         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2200         (Sized_incremental_binary::set_file_is_unchanged): New function.
2201         (Sized_incremental_binary::file_is_unchanged): New function.
2202         (Sized_incremental_binary::do_process_got_plt): New function.
2203         (Sized_incremental_binary::file_status_): New data member.
2204         (Sized_incremental_binary::main_symtab_loc_): New data member.
2205         (Sized_incremental_binary::main_strtab_loc_): New data member.
2206         * output.cc (Output_data_got::Got_entry::write): Add case
2207         RESERVED_CODE.
2208         (Output_data_got::add_global): Call add_got_entry.
2209         (Output_data_got::add_global_plt): Likewise.
2210         (Output_data_got::add_global_with_rel): Likewise.
2211         (Output_data_got::add_global_with_rela): Likewise.
2212         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2213         (Output_data_got::add_global_pair_with_rela): Likewise.
2214         (Output_data_got::add_local): Call add_got_entry.
2215         (Output_data_got::add_local_plt): Likewise.
2216         (Output_data_got::add_local_with_rel): Likewise.
2217         (Output_data_got::add_local_with_rela): Likewise.
2218         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2219         (Output_data_got::add_local_pair_with_rela): Likewise.
2220         (Output_data_got::reserve_slot): New function.
2221         (Output_data_got::reserve_slot_for_global): New function.
2222         (Output_data_got::add_got_entry): New function.
2223         (Output_data_got::add_got_entry_pair): New function.
2224         (Output_section::add_output_section_data): Edit FIXME.
2225         * output.h
2226         (Output_section_data_build::Output_section_data_build): New
2227         constructor with size parameter.
2228         (Output_data_space::Output_data_space): Likewise.
2229         (Output_data_got::Output_data_got): Initialize new data member; new
2230         constructor with size parameter.
2231         (Output_data_got::add_constant): Call add_got_entry.
2232         (Output_data_got::reserve_slot): New function.
2233         (Output_data_got::reserve_slot_for_global): New function.
2234         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2235         (Output_data_got::add_got_entry): New function.
2236         (Output_data_got::add_got_entry_pair): New function.
2237         (Output_data_got::free_list_): New data member.
2238         * target.h (Sized_target::init_got_plt_for_update): New function.
2239         (Sized_target::register_global_plt_entry): New function.
2240         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2241         Initialize new data member; call init; add constructor with PLT count.
2242         (Output_data_plt_x86_64::init): New function.
2243         (Output_data_plt_x86_64::add_relocation): New function.
2244         (Output_data_plt_x86_64::reserve_slot): New function.
2245         (Output_data_plt_x86_64::free_list_): New data member.
2246         (Target_x86_64::init_got_plt_for_update): New function.
2247         (Target_x86_64::register_global_plt_entry): New function.
2248         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2249         incremental updates.
2250         (Output_data_plt_x86_64::add_relocation): New function.
2251         * testsuite/object_unittest.cc (Object_test): Set default options.
2252
2253 2011-05-16  Ian Lance Taylor  <iant@google.com>
2254
2255         * options.h (class General_options): Make -i a synonym for -r.
2256
2257 2011-05-16  Ian Lance Taylor  <iant@google.com>
2258
2259         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2260
2261 2011-05-10 Cary Coutant  <ccoutant@google.com>
2262
2263         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2264         strip_all (-s).
2265
2266 2011-05-06  Ian Lance Taylor  <iant@google.com>
2267
2268         * layout.cc (Layout::layout): If the output section flags change,
2269         update the ordering.
2270
2271 2011-04-25 Cary Coutant  <ccoutant@google.com>
2272
2273         * incremental-dump.cc (dump_incremental_inputs): Print local
2274         symbol info for each input file.
2275         * incremental.cc
2276         (Output_section_incremental_inputs::set_final_data_size): Add local
2277         symbol info to input file entries in incremental info.
2278         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2279         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2280         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2281         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2282         implementation.
2283         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2284         (Sized_incr_relobj::do_relocate): Write the local symbols.
2285         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2286         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2287         Adjust size of input file header.
2288         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2289         (Incremental_inputs_reader::get_local_symbol_count): New function.
2290         (Incremental_inputs_reader::get_input_section): Adjust size of input
2291         file header.
2292         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2293         (Sized_incr_relobj::This): New typedef.
2294         (Sized_incr_relobj::sym_size): New const data member.
2295         (Sized_incr_relobj::Local_symbol): New struct.
2296         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2297         (Sized_incr_relobj::do_local_symbol_offset): New function.
2298         (Sized_incr_relobj::local_symbol_count_): New data member.
2299         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2300         (Sized_incr_relobj::local_symbol_index_): New data member.
2301         (Sized_incr_relobj::local_symbol_offset_): New data member.
2302         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2303         (Sized_incr_relobj::local_symbols_): New data member.
2304         * object.h (Relobj::output_local_symbol_count): New function.
2305         (Relobj::local_symbol_offset): New function.
2306         (Relobj::do_output_local_symbol_count): New function.
2307         (Relobj::do_local_symbol_offset): New function.
2308         (Sized_relobj::do_output_local_symbol_count): New function.
2309         (Sized_relobj::do_local_symbol_offset): New function.
2310
2311 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2312
2313         * descriptors.cc (set_close_on_exec): New function.
2314         (Descriptors::open): Use set_close_on_exec.
2315         * output.cc (S_ISLNK): Define if not defined.
2316
2317 2011-04-22 Cary Coutant  <ccoutant@google.com>
2318
2319         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2320         global symbol map.
2321         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2322         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2323         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2324         relocations.
2325         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2326         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2327         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2328         * incremental.h
2329         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2330         function.
2331         (Incremental_binary::apply_incremental_relocs): New function.
2332         (Incremental_binary::do_apply_incremental_relocs): New function.
2333         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2334         data member.
2335         (Sized_incremental_binary::add_global_symbol): New function.
2336         (Sized_incremental_binary::global_symbol): New function.
2337         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2338         (Sized_incremental_binary::symbol_map_): New data member.
2339         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2340         * target.h (Sized_target::apply_relocation): New function.
2341         * target-reloc.h (apply_relocation): New function.
2342         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2343
2344 2011-04-22  Doug Kwan  <dougkwan@google.com>
2345
2346         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2347         flag of a SHT_ARM_EXIDX section.
2348         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2349         * testsuite/Makefile.in: Regenerate.
2350         * testsuite/arm_exidx_test.s: New file.
2351         * testsuite/arm_exidx_test.sh: Same.
2352
2353 2011-04-20 Cary Coutant  <ccoutant@google.com>
2354
2355         PR gold/12689
2356         * archive.h (Incremental_archive_entry::Archive_member):
2357         Initialize arg_serial_ (second constructor).
2358
2359 2011-04-17  Ian Lance Taylor  <iant@google.com>
2360
2361         * object.cc (Relocate_info::location): Simplify location string.
2362         * errors.cc (Errors::error_at_location): Don't print program
2363         name.
2364         (Errors::warning_at_location): Likewise.
2365         (Errors::undefined_symbol): Likewise.
2366         * testsuite/debug_msg.sh: Update accordingly.
2367
2368 2011-04-14 Cary Coutant  <ccoutant@google.com>
2369
2370         * gold/layout.cc (Layout::symtab_section_offset): New function.
2371         * gold/layout.h (Layout::symtab_section_offset): New function.
2372         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2373
2374 2011-04-12  Ian Lance Taylor  <iant@google.com>
2375
2376         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2377         with MREMAP_MAYMOVE.
2378         * output.h (class Output_file): Add map_is_allocated_ field.
2379         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2380         not available, provide stubs.  If mremap is not available, #define
2381         it to gold_mremap.
2382         (MREMAP_MAYMOVE): Define if not defined.
2383         (Output_file::Output_file): Initialize map_is_allocated_.
2384         (Output_file::resize): Check map_is_allocated_.
2385         (Output_file::map_anonymous): If mmap fails, use malloc.
2386         (Output_file::unmap): Don't do anything for an anonymous map.
2387         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2388         is not available, provide stubs.
2389         (File_read::View::~View): Use free rather than delete[].
2390         (File_read::make_view): Use malloc rather than new[].  If mmap
2391         fails, use malloc.
2392         (File_read::find_or_make_view): Use malloc rather than new[].
2393         * gold.h: Remove HAVE_REMAP code.
2394         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2395         exists.  Rename mremap to gold_mremap.  If mmap is not available
2396         don't do anything.
2397         * configure, config.in: Rebuild.
2398
2399 2011-04-11  Ian Lance Taylor  <iant@google.com>
2400
2401         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2402         initialize local variable v.
2403
2404 2011-04-11  Cary Coutant  <ccoutant@google.com>
2405
2406         * archive.cc (Archive::include_member): Adjust call to
2407         report_object.
2408         (Add_archive_symbols::run): Track argument serial numbers.
2409         (Lib_group::include_member): Likewise.
2410         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2411         * archive.h (Incremental_archive_entry::Archive_member):
2412         Initialize arg_serial_.
2413         (Archive_member::arg_serial_): New data member.
2414         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2415         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2416         incremental link.
2417         (Sized_dynobj::do_for_all_local_got_entries): New function.
2418         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2419         function.
2420         * fileread.cc (get_mtime): New function.
2421         * fileread.h (get_mtime): New function.
2422         * gold.cc (queue_initial_tasks): Check for incremental update.
2423         (process_incremental_input): New function.
2424         (queue_middle_tasks): Don't force valid target for incremental
2425         update.
2426         * incremental-dump.cc (find_input_containing_global): Adjust
2427         size of symbol info entry.
2428         (dump_incremental_inputs): Dump argument serial number and
2429         in_system_directory flag; bias shndx by 1; print symbol names
2430         when dumping per-file symbol lists; use new symbol info readers.
2431         * incremental.cc
2432         (Output_section_incremental_inputs:update_data_size): New function.
2433         (Sized_incremental_binary::setup_readers): Setup input readers
2434         for each input file; build maps for files added from libraries
2435         and scripts.
2436         (Sized_incremental_binary::check_input_args): New function.
2437         (Sized_incremental_binary::do_check_inputs): Build map of argument
2438         serial numbers to input arguments.
2439         (Sized_incremental_binary::do_file_has_changed): Rename
2440         do_file_is_unchanged to this; compare file modification times.
2441         (Sized_incremental_binary::do_init_layout): New function.
2442         (Sized_incremental_binary::do_reserve_layout): New function.
2443         (Sized_incremental_binary::do_get_input_reader): Remove.
2444         (Sized_incremental_binary::get_symtab_view): New function.
2445         (Incremental_checker::can_incrementally_link_output_file): Remove.
2446         (Incremental_inputs::report_command_line): Exclude --debug options.
2447         (Incremental_inputs::report_archive_begin): Add parameter; track
2448         argument serial numbers; don't put input file entry for archive
2449         before archive members.
2450         (Incremental_inputs::report_archive_end): Put input file entry
2451         for archive after archive members.
2452         (Incremental_inputs::report_object): Add parameter; track argument
2453         serial numbers and in_system_directory flag.
2454         (Incremental_inputs::report_script): Add parameter; track argument
2455         serial numbers.
2456         (Output_section_incremental_inputs::set_final_data_size): Adjust
2457         size of symbol info entry; check for forwarding symbols.
2458         (Output_section_incremental_inputs::write_input_files): Write
2459         in_system_directory flag and argument serial number.
2460         (Output_section_incremental_inputs::write_info_blocks): Map section
2461         indices between incremental info and original input file; store
2462         input section index for each symbol.
2463         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2464         change operator() to visit().
2465         (class Global_got_offset_visitor): Likewise.
2466         (class Global_symbol_visitor_got_plt):
2467         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2468         classes.
2469         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2470         (Sized_incr_relobj::do_read_symbols): New function.
2471         (Sized_incr_relobj::do_layout): New function.
2472         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2473         (Sized_incr_relobj::do_add_symbols): New function.
2474         (Sized_incr_relobj::do_should_include_member): New function.
2475         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2476         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2477         (Sized_incr_relobj::do_section_size): New function.
2478         (Sized_incr_relobj::do_section_name): New function.
2479         (Sized_incr_relobj::do_section_contents): New function.
2480         (Sized_incr_relobj::do_section_flags): New function.
2481         (Sized_incr_relobj::do_section_entsize): New function.
2482         (Sized_incr_relobj::do_section_address): New function.
2483         (Sized_incr_relobj::do_section_type): New function.
2484         (Sized_incr_relobj::do_section_link): New function.
2485         (Sized_incr_relobj::do_section_info): New function.
2486         (Sized_incr_relobj::do_section_addralign): New function.
2487         (Sized_incr_relobj::do_initialize_xindex): New function.
2488         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2489         (Sized_incr_relobj::do_read_relocs): New function.
2490         (Sized_incr_relobj::do_gc_process_relocs): New function.
2491         (Sized_incr_relobj::do_scan_relocs): New function.
2492         (Sized_incr_relobj::do_count_local_symbols): New function.
2493         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2494         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2495         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2496         (Sized_incr_relobj::do_relocate): New function.
2497         (Sized_incr_relobj::do_set_section_offset): New function.
2498         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2499         (Sized_incr_dynobj::do_read_symbols): New function.
2500         (Sized_incr_dynobj::do_layout): New function.
2501         (Sized_incr_dynobj::do_add_symbols): New function.
2502         (Sized_incr_dynobj::do_should_include_member): New function.
2503         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2504         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2505         (Sized_incr_dynobj::do_section_size): New function.
2506         (Sized_incr_dynobj::do_section_name): New function.
2507         (Sized_incr_dynobj::do_section_contents): New function.
2508         (Sized_incr_dynobj::do_section_flags): New function.
2509         (Sized_incr_dynobj::do_section_entsize): New function.
2510         (Sized_incr_dynobj::do_section_address): New function.
2511         (Sized_incr_dynobj::do_section_type): New function.
2512         (Sized_incr_dynobj::do_section_link): New function.
2513         (Sized_incr_dynobj::do_section_info): New function.
2514         (Sized_incr_dynobj::do_section_addralign): New function.
2515         (Sized_incr_dynobj::do_initialize_xindex): New function.
2516         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2517         (make_sized_incremental_object): New function.
2518         (Incremental_library::copy_unused_symbols): New function.
2519         (Incremental_library::do_for_all_unused_symbols): New function.
2520         * incremental.h (enum Incremental_input_flags): New type.
2521         (class Incremental_checker): Remove.
2522         (Incremental_input_entry::Incremental_input_entry): Add argument
2523         serial number.
2524         (Incremental_input_entry::arg_serial): New function.
2525         (Incremental_input_entry::set_is_in_system_directory): New function.
2526         (Incremental_input_entry::is_in_system_directory): New function.
2527         (Incremental_input_entry::arg_serial_): New data member.
2528         (Incremental_input_entry::is_in_system_directory_): New data member.
2529         (class Script_info): Move here from script.h.
2530         (Script_info::Script_info): Add filename parameter.
2531         (Script_info::filename): New function.
2532         (Script_info::filename_): New data member.
2533         (Incremental_script_entry::Incremental_script_entry): Add argument
2534         serial number.
2535         (Incremental_object_entry::Incremental_object_entry): Likewise.
2536         (Incremental_object_entry::add_input_section): Build list of input
2537         sections with map to original shndx.
2538         (Incremental_object_entry::get_input_section_index): New function.
2539         (Incremental_object_entry::shndx_): New data member.
2540         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2541         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2542         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2543         serial number.
2544         (Incremental_inputs::report_archive_begin): Likewise.
2545         (Incremental_inputs::report_object): Likewise.
2546         (Incremental_inputs::report_script): Likewise.
2547         (class Incremental_global_symbol_reader): New class.
2548         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2549         and store flags and input file type.
2550         (Incremental_input_entry_reader::arg_serial): New function.
2551         (Incremental_input_entry_reader::type): Extract type from flags.
2552         (Incremental_input_entry_reader::is_in_system_directory): New function.
2553         (Incremental_input_entry_reader::get_input_section_count): Call
2554         accessor function for type.
2555         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2556         function for type; adjust size of global symbol entry.
2557         (Incremental_input_entry_reader::get_global_symbol_count): Call
2558         accessor function for type.
2559         (Incremental_input_entry_reader::get_object_count): Likewise.
2560         (Incremental_input_entry_reader::get_object_offset): Likewise.
2561         (Incremental_input_entry_reader::get_member_count): Likewise.
2562         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2563         (Incremental_input_entry_reader::get_member_offset): Likewise.
2564         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2565         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2566         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2567         (Incremental_input_entry_reader::get_global_symbol_reader): New
2568         function.
2569         (Incremental_input_entry_reader::get_output_symbol_index): New
2570         function.
2571         (Incremental_input_entry_reader::type_): Remove.
2572         (Incremental_input_entry_reader::flags_): New data member.
2573         (Incremental_inputs_reader::input_file_offset): New function.
2574         (Incremental_inputs_reader::input_file_index): New function.
2575         (Incremental_inputs_reader::input_file): Call input_file_offset.
2576         (Incremental_inputs_reader::input_file_at_offset): New function.
2577         (Incremental_relocs_reader::get_r_type): Reformat.
2578         (Incremental_relocs_reader::get_r_shndx): Reformat.
2579         (Incremental_relocs_reader::get_r_offset): Reformat.
2580         (Incremental_relocs_reader::data): New function.
2581         (Incremental_binary::Incremental_binary): Initialize new data members.
2582         (Incremental_binary::check_inputs): Add cmdline parameter.
2583         (Incremental_binary::file_is_unchanged): Remove.
2584         (Input_reader::arg_serial): New function.
2585         (Input_reader::get_unused_symbol_count): New function.
2586         (Input_reader::get_unused_symbol): New function.
2587         (Input_reader::do_arg_serial): New function.
2588         (Input_reader::do_get_unused_symbol_count): New function.
2589         (Input_reader::do_get_unused_symbol): New function.
2590         (Incremental_binary::input_file_count): New function.
2591         (Incremental_binary::get_input_reader): Change signature to use
2592         index instead of filename.
2593         (Incremental_binary::file_has_changed): New function.
2594         (Incremental_binary::get_input_argument): New function.
2595         (Incremental_binary::get_library): New function.
2596         (Incremental_binary::get_script_info): New function.
2597         (Incremental_binary::init_layout): New function.
2598         (Incremental_binary::reserve_layout): New function.
2599         (Incremental_binary::output_file): New function.
2600         (Incremental_binary::do_check_inputs): New function.
2601         (Incremental_binary::do_file_is_unchanged): Remove.
2602         (Incremental_binary::do_file_has_changed): New function.
2603         (Incremental_binary::do_init_layout): New function.
2604         (Incremental_binary::do_reserve_layout): New function.
2605         (Incremental_binary::do_input_file_count): New function.
2606         (Incremental_binary::do_get_input_reader): Change signature.
2607         (Incremental_binary::input_args_map_): New data member.
2608         (Incremental_binary::library_map_): New data member.
2609         (Incremental_binary::script_map_): New data member.
2610         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2611         new data members.
2612         (Sized_incremental_binary::output_section): New function.
2613         (Sized_incremental_binary::inputs_reader): Add const.
2614         (Sized_incremental_binary::symtab_reader): Add const.
2615         (Sized_incremental_binary::relocs_reader): Add const.
2616         (Sized_incremental_binary::got_plt_reader): Add const.
2617         (Sized_incremental_binary::get_symtab_view): New function.
2618         (Sized_incremental_binary::Inputs_reader): New typedef.
2619         (Sized_incremental_binary::Input_entry_reader): New typedef.
2620         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2621         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2622         (Sized_incremental_binary::do_file_has_changed): New function.
2623         (Sized_incremental_binary::do_init_layout): New function.
2624         (Sized_incremental_binary::do_reserve_layout): New function.
2625         (Sized_input_reader::Inputs_reader): Remove.
2626         (Sized_input_reader::Input_entry_reader): Remove.
2627         (Sized_input_reader::do_arg_serial): New function.
2628         (Sized_input_reader::do_get_unused_symbol_count): New function.
2629         (Sized_input_reader::do_get_unused_symbol): New function.
2630         (Sized_incremental_binary::do_input_file_count): New function.
2631         (Sized_incremental_binary::do_get_input_reader): Change signature;
2632         use index instead of filename.
2633         (Sized_incremental_binary::section_map_): New data member.
2634         (Sized_incremental_binary::input_entry_readers_): New data member.
2635         (class Sized_incr_relobj): New class.
2636         (class Sized_incr_dynobj): New class.
2637         (make_sized_incremental_object): New function.
2638         (class Incremental_library): New class.
2639         * layout.cc (Free_list::num_lists): New static data member.
2640         (Free_list::num_nodes): New static data member.
2641         (Free_list::num_removes): New static data member.
2642         (Free_list::num_remove_visits): New static data member.
2643         (Free_list::num_allocates): New static data member.
2644         (Free_list::num_allocate_visits): New static data member.
2645         (Free_list::init): New function.
2646         (Free_list::remove): New function.
2647         (Free_list::allocate): New function.
2648         (Free_list::dump): New function.
2649         (Free_list::print_stats): New function.
2650         (Layout_task_runner::run): Resize output file for incremental updates.
2651         (Layout::Layout): Initialize new data members.
2652         (Layout::set_incremental_base): New function.
2653         (Layout::init_fixed_output_section): New function.
2654         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2655         incremental updates.
2656         (Layout::create_gold_note): Do not create gold note section for
2657         incremental updates.
2658         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2659         for incremental updates.
2660         (Layout::set_section_offsets): For incremental updates, allocate space
2661         from free list.
2662         (Layout::create_symtab_sections): Layout with offsets relative to
2663         start of section; for incremental updates, allocate space from free
2664         list.
2665         (Layout::create_shdrs): For incremental updates, allocate space from
2666         free list.
2667         (Layout::finish_dynamic_section): For incremental updates, do not
2668         check --as-needed (fixed in subsequent patch).
2669         * layout.h (class Free_list): New class.
2670         (Layout::set_incremental_base): New function.
2671         (Layout::incremental_base): New function.
2672         (Layout::init_fixed_output_section): New function.
2673         (Layout::allocate): New function.
2674         (Layout::incremental_base_): New data member.
2675         (Layout::free_list_): New data member.
2676         * main.cc (main): Print Free_list statistics.
2677         * object.cc (Relobj::finalize_incremental_relocs): Add
2678         clear_counts parameter; clear counts only when clear_counts is set.
2679         (Sized_relobj::Sized_relobj): Initialize new base class.
2680         (Sized_relobj::do_layout): Don't report special sections.
2681         (Sized_relobj::do_for_all_local_got_entries): New function.
2682         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2683         symtab_off to all symbol table offsets.
2684         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2685         * object.h (class Got_offset_list): Move to top of file.
2686         (Object::Object): Allow case where input_file == NULL.
2687         (Object::~Object): Likewise.
2688         (Object::input_file): Assert that input_file != NULL.
2689         (Object::lock): Allow case where input_file == NULL.
2690         (Object::unlock): Likewise.
2691         (Object::is_locked): Likewise.
2692         (Object::token): Likewise.
2693         (Object::release): Likewise.
2694         (Object::is_incremental): New function.
2695         (Object::get_mtime): New function.
2696         (Object::for_all_local_got_entries): New function.
2697         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2698         (Object::set_is_in_system_directory): New function.
2699         (Object::is_in_system_directory): New function.
2700         (Object::do_is_incremental): New function.
2701         (Object::do_get_mtime): New function.
2702         (Object::do_for_all_local_got_entries): New function.
2703         (Object::is_in_system_directory_): New data member.
2704         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2705         (class Sized_relobj_base): New class.
2706         (class Sized_relobj): Derive from Sized_relobj_base.
2707         (class Sized_relobj::Symbols): Redeclare from base class.
2708         (class Sized_relobj::local_got_offset_list): Remove.
2709         (class Sized_relobj::Output_sections): Redeclare from base class.
2710         (class Sized_relobj::do_for_all_local_got_entries): New function.
2711         (class Sized_relobj::write_local_symbols): Add offset parameter.
2712         (class Sized_relobj::local_symbol_offset_): Update comment.
2713         (class Sized_relobj::local_dynsym_offset_): Update comment.
2714         * options.cc (Input_arguments::add_file): Remove const.
2715         * options.h (Input_file_argument::Input_file_argument):
2716         Initialize arg_serial_ (all constructors).
2717         (Input_file_argument::set_arg_serial): New function.
2718         (Input_file_argument::arg_serial): New function.
2719         (Input_file_argument::arg_serial_): New data member.
2720         (Input_arguments::Input_arguments): Initialize file_count_.
2721         (Input_arguments::add_file): Remove const.
2722         (Input_arguments::number_of_input_files): New function.
2723         (Input_arguments::file_count_): New data member.
2724         (Command_line::number_of_input_files): Call
2725         Input_arguments::number_of_input_files.
2726         * output.cc (Output_segment_headers::Output_segment_headers):
2727         Set current size.
2728         (Output_section::Input_section::current_data_size): New function.
2729         (Output_section::Output_section): Initialize new data members.
2730         (Output_section::add_input_section): Don't do merge sections for
2731         an incremental link; allocate space from free list for an
2732         incremental update.
2733         (Output_section::add_output_section_data): Allocate space from
2734         free list for an incremental update.
2735         (Output_section::update_data_size): New function.
2736         (Output_section::set_fixed_layout): New function.
2737         (Output_section::reserve): New function.
2738         (Output_segment::set_section_addresses): Remove const.
2739         (Output_segment::set_section_list_addresses): Remove const; allocate
2740         space from free list for an incremental update.
2741         (Output_segment::set_offset): Adjust size of RELRO segment for an
2742         incremental update.
2743         * output.h (Output_data::current_data_size): Move here from
2744         child classes.
2745         (Output_data::pre_finalize_data_size): New function.
2746         (Output_data::update_data_size): New function.
2747         (Output_section_headers::update_data_size): new function.
2748         (Output_section_data_build::current_data_size): Move to Output_data.
2749         (Output_data_strtab::update_data_size): New function.
2750         (Output_section::current_data_size): Move to Output_data.
2751         (Output_section::set_fixed_layout): New function.
2752         (Output_section::has_fixed_layout): New function.
2753         (Output_section::reserve): New function.
2754         (Output_section::update_data_size): New function.
2755         (Output_section::has_fixed_layout_): New data member.
2756         (Output_section::free_list_): New data member.
2757         (Output_segment::set_section_addresses): Remove const.
2758         (Output_segment::set_section_list_addresses): Remove const.
2759         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2760         New function.
2761         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2762         New function.
2763         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2764         parameter when calling Add_symbols constructor; store argument
2765         serial number for members of a lib group.
2766         (Add_symbols::locks): Allow case where token == NULL.
2767         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2768         (Read_member::~Read_member): New function.
2769         (Read_member::is_runnable): New function.
2770         (Read_member::locks): New function.
2771         (Read_member::run): New function.
2772         (Check_script::~Check_script): New function.
2773         (Check_script::is_runnable): New function.
2774         (Check_script::locks): New function.
2775         (Check_script::run): New function.
2776         (Check_library::~Check_library): New function.
2777         (Check_library::is_runnable): New function.
2778         (Check_library::locks): New function.
2779         (Check_library::run): New function.
2780         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2781         (Add_symbols::library_): New data member.
2782         (class Read_member): New class.
2783         (class Check_script): New class.
2784         (class Check_library): New class.
2785         * reloc.cc (Read_relocs::is_runnable): Allow case where
2786         token == NULL.
2787         (Read_relocs::locks): Likewise.
2788         (Scan_relocs::locks): Likewise.
2789         (Relocate_task::locks): Likewise.
2790         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2791         to clear counters.
2792         (Sized_relobj::incremental_relocs_scan): Fix comment.
2793         (Sized_relobj::do_relocate): Pass output file offset to
2794         write_local_symbols.
2795         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2796         from class declaration.
2797         * script.cc (read_input_script): Allocate Script_info; pass
2798         argument serial number to report_script.
2799         * script.h (class Script_info): Move to incremental.h.
2800         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2801         * symtab.h (Symbol_table::add_from_incrobj): New function.
2802         (Symbol_table::set_file_offset): New function.
2803
2804 2011-04-05  Cary Coutant  <ccoutant@google.com>
2805
2806         * incremental-dump.cc (dump_incremental_inputs): Change signature
2807         to take a Sized_incremental_binary; change caller.  Use readers
2808         in Sized_incremental_binary.
2809         * incremental.cc
2810         (Sized_incremental_binary::find_incremental_inputs_sections):
2811         Rename do_find_incremental_inputs_sections to this.
2812         (Sized_incremental_binary::setup_readers): New function.
2813         (Sized_incremental_binary::do_check_inputs): Check
2814         has_incremental_info_ flag; move setup code to setup_readers;
2815         use input readers.
2816         (Sized_incremental_binary::do_file_is_unchanged): New function.
2817         (Sized_incremental_binary::do_get_input_reader): New function.
2818         * incremental.h (class Incremental_binary): Move to end of file.
2819         (Incremental_binary::file_is_unchanged): New function.
2820         (Incremental_binary::do_file_is_unchanged): New function.
2821         (Incremental_binary::Input_reader): New class.
2822         (Incremental_binary::get_input_reader): New function.
2823         (class Sized_incremental_binary): Move to end of file.
2824         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2825         input section reader classes.
2826         (Sized_incremental_binary::has_incremental_info): New function.
2827         (Sized_incremental_binary::inputs_reader): New function.
2828         (Sized_incremental_binary::symtab_reader): New function.
2829         (Sized_incremental_binary::relocs_reader): New function.
2830         (Sized_incremental_binary::got_plt_reader): New function.
2831         (Sized_incremental_binary::do_file_is_unchanged): New function.
2832         (Sized_incremental_binary::Sized_input_reader): New class.
2833         (Sized_incremental_binary::get_input_reader): New function.
2834         (Sized_incremental_binary::find_incremental_inputs_sections):
2835         Rename do_find_incremental_inputs_sections to this.
2836         (Sized_incremental_binary::setup_readers): New function.
2837         (Sized_incremental_binary::has_incremental_info_): New data member.
2838         (Sized_incremental_binary::inputs_reader_): New data member.
2839         (Sized_incremental_binary::symtab_reader_): New data member.
2840         (Sized_incremental_binary::relocs_reader_): New data member.
2841         (Sized_incremental_binary::got_plt_reader_): New data member.
2842         (Sized_incremental_binary::current_input_file_): New data member.
2843
2844 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2845
2846         PR gold/12640
2847         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2848         violation.
2849
2850 2011-03-30  Cary Coutant  <ccoutant@google.com>
2851
2852         * archive.cc (Archive::include_member): Adjust call to report_object.
2853         (Add_archive_symbols::run): Add script_info to call to
2854         report_archive_begin.
2855         (Lib_group::include_member): Adjust call to report_object.
2856         (Add_lib_group_symbols::run): Adjust call to report_object.
2857         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2858         blocks.  Add object count for script input files.
2859         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2860         script_info parameter; change all callers.
2861         (Incremental_inputs::report_object): Add script_info parameter;
2862         change all callers.
2863         (Incremental_inputs::report_script): Store backpointer to
2864         incremental info entry.
2865         (Output_section_incremental_inputs::set_final_data_size): Record
2866         additional information for scripts.
2867         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2868         * incremental.h (Incremental_script_entry::add_object): New function.
2869         (Incremental_script_entry::get_object_count): New function.
2870         (Incremental_script_entry::get_object): New function.
2871         (Incremental_script_entry::objects_): New data member; adjust
2872         constructor.
2873         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2874         (Incremental_inputs::report_object): Add script_info parameter.
2875         (Incremental_inputs_reader::get_object_count): New function.
2876         (Incremental_inputs_reader::get_object_offset): New function.
2877         * options.cc (Input_arguments::add_file): Return reference to
2878         new input argument.
2879         * options.h (Input_argument::set_script_info): New function.
2880         (Input_argument::script_info): New function.
2881         (Input_argument::script_info_): New data member; adjust all
2882         constructors.
2883         (Input_file_group::add_file): Return reference to new input argument.
2884         (Input_file_lib::add_file): Likewise.
2885         (Input_arguments::add_file): Likewise.
2886         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2887         * script.cc (Parser_closure::Parser_closure): Add script_info
2888         parameter; adjust all callers.
2889         (Parser_closure::script_info): New function.
2890         (Parser_closure::script_info_): New data member.
2891         (read_input_script): Report scripts earlier to incremental info.
2892         (script_add_file): Set script_info in Input_argument.
2893         (script_add_library): Likewise.
2894         * script.h (Script_options::Script_info): Rewrite class.
2895
2896 2011-03-29  Cary Coutant  <ccoutant@google.com>
2897
2898         * archive.cc (Library_base::should_include_member): Move
2899         method here from class Archive.
2900         (Archive::Archive): Initialize base class.
2901         (Archive::should_include_member): Move to base class.
2902         (Archive::do_for_all_unused_symbols): New function.
2903         (Add_archive_symbols::run): Remove redundant access to
2904         incremental_inputs.
2905         (Lib_group::Lib_group): Initialize base class.
2906         (Lib_group::do_filename): New function.
2907         (Lib_group::include_member): Pass pointer to Lib_group to
2908         report_object.
2909         (Lib_group::do_for_all_unused_symbols): New function.
2910         (Add_lib_group_symbols::run): Report archive information for
2911         incremental links.
2912         * archive.h (class Library_base): New base class.
2913         (class Archive): Derive from Library_base.
2914         (Archive::filename): Move to base class.
2915         (Archive::set_incremental_info): Likewise.
2916         (Archive::incremental_info): Likewise.
2917         (Archive::Should_include): Likewise.
2918         (Archive::should_include_member): Likewise.
2919         (Archive::Armap_entry): Remove.
2920         (Archive::Unused_symbol_iterator): Remove.
2921         (Archive::unused_symbols_begin): Remove.
2922         (Archive::unused_symbols_end): Remove.
2923         (Archive::do_filename): New function.
2924         (Archive::do_get_mtime): New function.
2925         (Archive::do_for_all_unused_symbols): New function.
2926         (Archive::task_): Move to base class.
2927         (Archive::incremental_info_): Likewise.
2928         (class Lib_group): Derive from Library_base.
2929         (Lib_group::do_filename): New function.
2930         (Lib_group::do_get_mtime): New function.
2931         (Lib_group::do_for_all_unused_symbols): New function.
2932         (Lib_group::task_): Move to base class.
2933         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2934         function.
2935         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2936         function.
2937         * incremental.cc (Incremental_inputs::report_archive_begin):
2938         Use Library_base; call library's get_mtime; add incremental inputs
2939         entry before members.
2940         (class Unused_symbol_visitor): New class.
2941         (Incremental_inputs::report_archive_end): Use Library_base; use
2942         visitor class to record unused symbols; don't add incremental inputs
2943         entry after members.
2944         (Incremental_inputs::report_object): Use Library_base.
2945         * incremental.h
2946         (Incremental_archive_entry::Incremental_archive_entry): Remove
2947         unused Archive parameter.
2948         (Incremental_inputs::report_archive_begin): Use Library_base.
2949         (Incremental_inputs::report_archive_end): Likewise.
2950         (Incremental_inputs::report_object): Likewise.
2951         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2952         function.
2953         * object.h (Object::for_all_global_symbols): New function.
2954         (Object::do_for_all_global_symbols): New function.
2955         (Sized_relobj::do_for_all_global_symbols): New function.
2956         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2957         function.
2958         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2959         function.
2960
2961 2011-03-27  Ian Lance Taylor  <iant@google.com>
2962
2963         * archive.cc (Archive::interpret_header): Return -1 if something
2964         goes wrong.  Change callers accordingly.
2965
2966 2011-03-25  Cary Coutant  <ccoutant@google.com>
2967
2968         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2969         * testsuite/Makefile.in: Regenerate.
2970
2971 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2972
2973         * plugin.cc (get_view): New.
2974         (Plugin::load): Pass get_view to the plugin.
2975         (Plugin_manager::get_view): New.
2976
2977 2011-03-21  Ian Lance Taylor  <iant@google.com>
2978
2979         * testsuite/final_layout.sh: Rewrite to not use dc.
2980         * testsuite/relro_test.sh: Fail if dc is not present.
2981
2982 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2983
2984         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2985         Change == to -eq.
2986         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2987         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2988         Change == to -eq.
2989         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2990         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2991
2992 2011-03-14  Ian Lance Taylor  <iant@google.com>
2993
2994         * script-sections.cc (Sort_output_sections::script_compare):
2995         Rename from is_before, change return type.
2996         (Sort_output_sections::operator()): Adjust accordingly.
2997
2998 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2999
3000         PR gold/12572
3001         * testsuite/odr_violation2.cc: Add comment to make all error line
3002         numbers double digits.
3003         * testsuite/debug_msg.sh: Adjust expected errors.
3004
3005 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3006
3007         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3008         but mark earlier ones as non-canonical
3009         (offset_to_iterator): Update search target and example
3010         (do_addr2line): Return extra lines in a vector*
3011         (format_file_lineno): Extract from do_addr2line
3012         (one_addr2line): Add vector* out-param
3013         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3014         when a lineno entry appeared last for its instruction
3015         (Dwarf_line_info): Add vector* out-param
3016         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3017         * symtab.cc (Odr_violation_compare): Include the lineno in the
3018         comparison again.
3019         (linenos_from_loc): New. Combine the canonical line for an
3020         address with its other lines.
3021         (True_if_intersect): New. Helper functor to make
3022         std::set_intersection a query.
3023         (detect_odr_violations): Compare sets of lines instead of just
3024         one line for each function. This became less deterministic, but
3025         has fewer false positives.
3026         * symtab.h: Declarations.
3027         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3028         mix an optimized and non-optimized object in the same binary
3029         (odr_violation2.so): Same.
3030         * testsuite/Makefile.in: Regenerate from Makefile.am.
3031         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3032         * testsuite/debug_msg.sh: Update line numbers and add
3033         assertions.
3034         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3035         non-optimized context.
3036         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3037         isn't inlined, and use OdrDerived in an optimized context.
3038         * testsuite/odr_header1.h: Defines OdrDerived, where
3039         optimization will change the
3040         first-instruction-in-the-destructor's file and line number.
3041         * testsuite/odr_header2.h: Defines OdrBase.
3042
3043 2011-03-09  Ian Lance Taylor  <iant@google.com>
3044
3045         * fileread.cc (File_read::clear_views): Don't delete the whole
3046         file view.
3047
3048 2011-03-08  Ian Lance Taylor  <iant@google.com>
3049
3050         PR gold/12525
3051         * fileread.cc: #include <climits>.
3052         (GOLD_IOV_MAX): Define.
3053         (File_read::read_multiple): Limit number of entries by iov_max.
3054         * fileread.h (class File_read): Always set max_readv_entries to
3055         128.
3056
3057 2011-03-07  Ian Lance Taylor  <iant@google.com>
3058
3059         PR gold/12525
3060         * options.h (class General_options): Add -dy and -dn.
3061
3062 2011-03-02  Cary Coutant  <ccoutant@google.com>
3063
3064         * testsuite/script_test_9.t: Add TLS segment.
3065
3066 2011-03-02  Simon Baldwin  <simonb@google.com>
3067
3068         * configure.ac: Add check for gnu_indirect_function support in
3069         the toolchain building binutils.
3070         * configure: Rebuild.
3071
3072 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3073
3074         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3075         plugin only symbols.
3076         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3077         in plugin files as not needed in the symbol table.
3078
3079 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3080
3081         * output.cc (Output_section::add_input_section): Delay fill
3082         generation for section ordering.
3083
3084 2011-02-09  Ian Lance Taylor  <iant@google.com>
3085
3086         PR gold/12316
3087         * object.h (class Sized_relobj): Remove clear_local_symbols.
3088         * reloc.cc (Sized_relobj::do_relocate): Don't call
3089         clear_local_symbols.
3090
3091 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3092
3093         * plugin.cc (is_visible_from_outside): Return true for symbols
3094         in the -u option.
3095
3096 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3097
3098         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3099         filename.
3100
3101 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3102
3103         * icf.h (is_section_foldable_candidate): Change type of parameter
3104         to std::string.
3105         * icf.cc (Icf::find_identical_sections): Change type of local variable
3106         section_name to be std::string.
3107         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3108
3109 2011-01-25  Ian Lance Taylor  <iant@google.com>
3110
3111         * script.cc (script_add_extern): Rewrite to use
3112         add_symbol_reference.
3113
3114 2011-01-25  Doug Kwan  <dougkwan@google.com>
3115
3116         * icf.cc (get_section_contents): Always lock section's object.
3117
3118 2011-01-24  Ian Lance Taylor  <iant@google.com>
3119
3120         * options.h (class General_options): Accept
3121         --no-detect-odr-violations.
3122
3123 2011-01-24  Ian Lance Taylor  <iant@google.com>
3124
3125         * version.cc (version_string): Bump to 1.11.
3126
3127 2011-01-24  Ian Lance Taylor  <iant@google.com>
3128
3129         * plugin.cc (class Plugin_rescan): Define new class.
3130         (Plugin_manager::claim_file): Set any_claimed_.
3131         (Plugin_manager::save_archive): New function.
3132         (Plugin_manager::save_input_group): New function.
3133         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3134         necessary.
3135         (Plugin_manager::new_undefined_symbol): New function.
3136         (Plugin_manager::rescan): New function.
3137         (Plugin_manager::rescannable_defines): New function.
3138         (Plugin_manager::add_input_file): Set any_added_.
3139         * plugin.h (class Plugin_manager): define new fields rescannable_,
3140         undefined_symbols_, any_claimed_, and any_added_.  Declare
3141         Plugin_rescan as friend.  Declare new functions.
3142         (Plugin_manager::Rescannable): Define type.
3143         (Plugin_manager::Rescannable_list): Define type.
3144         (Plugin_manager::Undefined_symbol_list): Define type.
3145         (Plugin_manager::Plugin_manager): Initialize new fields.
3146         * archive.cc (Archive::defines_symbol): New function.
3147         (Add_archive_symbols::run): Pass archive to plugins if any.
3148         * archive.h (class Archive): Declare defines_symbol.
3149         * readsyms.cc (Input_group::~Input_group): New function.
3150         (Finish_group::run): Pass input_group to plugins if any.
3151         * readsyms.h (class Input_group): Declare destructor.
3152         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3153         any.
3154
3155 2011-01-10  Ian Lance Taylor  <iant@google.com>
3156
3157         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3158         section as relro.
3159         (Layout::set_segment_offsets): Reset increase_relro before calling
3160         set_section_addresses a second time.
3161
3162 2011-01-04  Cary Coutant  <ccoutant@google.com>
3163
3164         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3165         sections before NOBITS sections.
3166
3167 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3168
3169         * version.cc (print_version): Update copyright to 2011.
3170
3171 2010-12-23  Cary Coutant  <ccoutant@google.com>
3172
3173         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3174         of OS to this->add.  Add OD parameter to second form of the function.
3175
3176 2010-12-20  Ian Lance Taylor  <iant@google.com>
3177
3178         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3179         second of two consecutive entries with same offset.
3180
3181 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3182
3183         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3184         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3185         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3186         to avoid unneeded links against $(LDADD).
3187         * testsuite/Makefile.in: Regenerate.
3188
3189 2010-12-15  Ian Lance Taylor  <iant@google.com>
3190
3191         PR gold/12324
3192         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3193         for R_X86_64_32 and R_X86_64_PC32.
3194         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3195         ver_matching_def_pic.o.
3196         (ver_matching_def_pic.o): New target.
3197
3198 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3199
3200         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3201         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3202         Move definition before File_read::View member definitions.
3203         (File_read::View::~View): Initialize and hold lock before
3204         updating current_mapped_bytes.
3205
3206 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3207
3208         * dwarf_reader.cc: Remove outdated comment.
3209         * gold-threads.cc: Fix typo in error message.
3210         * archive.cc: Fix typos in comments.
3211         * archive.h: Likewise.
3212         * arm-reloc-property.cc: Likewise.
3213         * arm-reloc-property.h: Likewise.
3214         * arm-reloc.def: Likewise.
3215         * arm.cc: Likewise.
3216         * attributes.h: Likewise.
3217         * cref.cc: Likewise.
3218         * ehframe.cc: Likewise.
3219         * fileread.h: Likewise.
3220         * gold.h: Likewise.
3221         * i386.cc: Likewise.
3222         * icf.cc: Likewise.
3223         * incremental.h: Likewise.
3224         * int_encoding.cc: Likewise.
3225         * layout.h: Likewise.
3226         * main.cc: Likewise.
3227         * merge.h: Likewise.
3228         * object.cc: Likewise.
3229         * object.h: Likewise.
3230         * options.cc: Likewise.
3231         * readsyms.cc: Likewise.
3232         * reduced_debug_output.cc: Likewise.
3233         * reloc.cc: Likewise.
3234         * script-sections.cc: Likewise.
3235         * sparc.cc: Likewise.
3236         * symtab.h: Likewise.
3237         * target-reloc.h: Likewise.
3238         * target.cc: Likewise.
3239         * target.h: Likewise.
3240         * timer.cc: Likewise.
3241         * timer.h: Likewise.
3242         * x86_64.cc: Likewise.
3243
3244 2010-12-09  Cary Coutant  <ccoutant@google.com>
3245
3246         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3247         stack.
3248         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3249         parameter; change all callers.
3250         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3251         * options.h (warn_execstack): New option.
3252
3253 2010-12-07  Doug Kwan  <dougkwan@google.com>
3254
3255         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3256         like function call relocations.
3257
3258 2010-12-07  Ian Lance Taylor  <iant@google.com>
3259
3260         * archive.cc (Archive::get_elf_object_for_member): Permit
3261         punconfigured to be NULL.
3262         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3263         (Archive::include_member): Pass NULL to get_elf_object_for_member
3264         if we searched for the archive and this is the first included
3265         object.
3266
3267 2010-12-01  Ian Lance Taylor  <iant@google.com>
3268
3269         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3270         track_relocs_type_ field.
3271         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3272         Set track_relocs_type_.
3273         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3274         contents when using RELA relocs.
3275         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3276         reloc_map_.
3277         * reloc.cc (Track_relocs::next_addend): New function.
3278         * reloc.h (class Track_relocs): Declare next_addend.
3279
3280 2010-12-01  Ian Lance Taylor  <iant@google.com>
3281
3282         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3283         virtual destructor.
3284
3285 2010-12-01  Ian Lance Taylor  <iant@google.com>
3286
3287         * README: Update compilers known to work and fail.
3288
3289 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3290
3291         * configure.in: For --enable-gold, handle value `default' instead of
3292         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3293         not the default.
3294         * configure: Regenerate.
3295
3296 2010-11-18  Doug Kwan  <dougkwan@google.com>
3297
3298         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3299         and right_alignment to be zero.  Store result alignment only if it is
3300         greater than existing alignment.
3301
3302 2010-11-16  Cary Coutant  <ccoutant@google.com>
3303
3304         PR gold/12220
3305         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3306         Check for ".zdebug_line".
3307
3308 2010-11-16  Doug Kwan  <dougkwan@google.com>
3309             Cary Coutant  <ccoutant@google.com>
3310
3311         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3312         by reference; adjust all callers.
3313         * output.cc (Output_segment::set_section_addresses): Adjust references
3314         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3315         list is empty.
3316         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3317         end at page boundary.
3318
3319 2010-11-16  Cary Coutant  <ccoutant@google.com>
3320
3321         PR gold/12220
3322         * layout.cc (Layout::choose_output_section): Transform names of
3323         compressed sections even when using a script with a SECTIONS clause.
3324         (Layout::output_section_name): Remove code to transform
3325         compressed debug section names.
3326         * output.cc (Output_section::add_input_section): Use uncompressed
3327         section size when tracking input sections.
3328
3329 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3330
3331         * symtab.h (Symbol::NON_PIC_REF): Remove.
3332         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3333         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3334         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3335         (Symbol::use_plt_offset): Take a flags argument and pass it
3336         directly to needs_dynamic_reloc.  Restrict check for undefined
3337         weak symbols to function calls.
3338         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3339         (Target_arm::Scan::global): Use it.
3340         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3341         (Target_arm::Relocate::relocate): Likewise.
3342         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3343         parameter with an r_type parameter.  Use get_reference_flags
3344         to get the flags.
3345         (Target_arm::Relocate::relocate): Update accordingly.
3346         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3347         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3348         (Target_i386::Scan::global): Likewise.
3349         (Target_i386::Relocate::relocate): Likewise.
3350         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3351         parameter with an r_type parameter.  Use get_reference_flags
3352         to get the flags.
3353         (Target_i386::Relocate::relocate): Update accordingly.
3354         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3355         (Target_powerpc::Scan::global): Use it.
3356         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3357         (Target_powerpc::Relocate::relocate): Likewise.
3358         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3359         (Target_sparc::Scan::global): Use it.
3360         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3361         (Target_sparc::Relocate::relocate): Likewise.
3362         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3363         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3364         (Target_x86_64::Scan::global): Likewise.
3365         (Target_x86_64::Relocate::relocate): Likewise.
3366
3367 2010-11-08  Doug Kwan  <dougkwan@google.com>
3368             Cary Coutant  <ccoutant@google.com>
3369
3370         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3371         (Arm_exidx_merge_section::section_contents_): New data member.
3372         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3373         (Arm_input_section::~Arm_input_section): De-allocate memory.
3374         (Arm_input_section::original_contents_): New data member.
3375         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3376         in parameters instead of calling Object::section_contents without
3377         locking.
3378         (Arm_output_section::group_section): New parameter TASK.  Pass it
3379         to callees that need locking objects.
3380         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3381         to lock EXIDX input sections.  Fix a formatting issue.  Call
3382         Arm_exidx_merged_section::build_contents to create merged section
3383         contents.
3384         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3385         to lock object of stub table owner.
3386         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3387         TEXT_SIZE to initialize data member TEXT_SIZE_.
3388         (Arm_exidx_input_section::addralign): Fix typo in comment.
3389         (Arm_exidx_input_section::text_size): New method.
3390         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3391         that require locking objects.  Lock objects before scanning for stubs
3392         and updating local symbols.
3393         (Arm_input_section<big_endian>::init): Copy contents of original
3394         input section.
3395         (Arm_input_section<big_endian>::do_write): Use saved contents of
3396         original input section instead of calling Object::section_contents
3397         without locking.
3398         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3399         size without calling Object::section_size().
3400         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3401         for size.  Allocate a buffer for merged EXIDX entries.
3402         (Arm_exidx_merged_section::build_contents): New method.
3403         (Arm_exidx_merged_section::do_write): Move merge section contents
3404         building code to Arm_exidx_merged_section::build_contetns.  Write
3405         out contetns in buffer instead of building it on the fly.
3406         (Arm_relobj::make_exidx_input_section): Also pass text section size
3407         to Arm_exidx_input_section constructor.
3408         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3409         (Arm_dynobj::do_read_symbols): Fix memory leak.
3410         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3411         * target.h: (class Task): Add forward declaration.
3412         (Target::relax): Add new parameter TASK and pass it to
3413         Target::do_relax().
3414         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3415
3416 2010-11-05  Cary Coutant  <ccoutant@google.com>
3417
3418         PR gold/10708
3419         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3420         object when reading from the file.
3421         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3422         second layout pass.
3423         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3424         when reading section contents.
3425         (get_section_contents): Likewise.
3426         (icf::find_identical_sections): Likewise.
3427         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3428         object when reading from the file.
3429         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3430         the object when doing deferred section layout.
3431
3432 2010-11-03  Nick Clifton  <nickc@redhat.com>
3433
3434         PR gold/12001
3435         * script.h (class Symbol_assignment: name): New member.  Returns
3436         the name of the symbol.
3437         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3438         Returns true if the given symbol name is on the list of
3439         assignments wating to be processed.
3440         * archive.cc (should_incldue_member): If the symbol is undefined,
3441         check to see if it is on the list of symbols pending assignment.
3442
3443 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3444
3445         * script-sections.cc (Script_sections::find_memory_region): Check
3446         for a NULL output section pointer.
3447
3448 2010-10-29  Doug Kwan  <dougkwan@google.com>
3449
3450         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3451         Output_section::add_relaxed_input_section.
3452         * output.cc (Output_section::add_relaxed_input_section): Add new
3453         arguments LAYOUT and NAME.  Set section order index.
3454         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3455         Copy section order index.
3456         * output.h (Output_section::add_relaxed_input_section): Add new
3457         arguments LAYOUT and NAME.
3458
3459 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3460
3461         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3462         NATIVE_OR_CROSS_LINKER.
3463         * testsuite/Makefile.in: Regenerate.
3464
3465 2010-10-20  Doug Kwan  <dougkwan@google.com>
3466
3467         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3468         without SHF_LINK_ORDER flags.
3469         * layout.cc (Layout::choose_output_section): Do not filter
3470         SHF_LINK_ORDER flag in a relocatable link.
3471
3472 2010-10-17  Cary Coutant  <ccoutant@google.com>
3473
3474         * output.h (Output_segment::set_section_addresses): Change function
3475         signature.  Update all callers.
3476         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3477         sections.
3478         (Output_segment::set_section_addresses): Align after last TLS
3479         section.  Add padding before last relro section instead of after.
3480
3481 2010-10-17  Doug Kwan  <dougkwan@google.com>
3482
3483         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3484         GOT output section to be writable.
3485
3486 2010-10-14  Cary Coutant  <ccoutant@google.com>
3487
3488         * debug.h (DEBUG_INCREMENTAL): New flag.
3489         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3490         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3491         mode.
3492         * incremental.cc (report_command_line): Ignore all forms of
3493         --incremental.
3494         * layout.cc (Layout::Layout): Check parameters for incremental link
3495         mode.
3496         * options.cc (General_options::parse_incremental): New function.
3497         (General_options::parse_no_incremental): New function.
3498         (General_options::parse_incremental_full): New function.
3499         (General_options::parse_incremental_update): New function.
3500         (General_options::incremental_mode_): New data member.
3501         (General_options::finalize): Check incremental_mode_.
3502         * options.h (General_options): Update help text for --incremental.
3503         Add --no-incremental, --incremental-full, --incremental-update.
3504         (General_options::Incremental_mode): New enum type.
3505         (General_options::incremental_mode): New function.
3506         (General_options::incremental_mode_): New data member.
3507         * parameters.cc (Parameters::incremental_mode_): New data member.
3508         (Parameters::set_options): Set incremental_mode_.
3509         (Parameters::set_incremental_full): New function.
3510         (Parameters::incremental): New function.
3511         (Parameters::incremental_update): New function.
3512         (set_parameters_incremental_full): New function.
3513         * parameters.h (Parameters::set_incremental_full): New function.
3514         (Parameters::incremental): New function.
3515         (Parameters::incremental_update): New function.
3516         (Parameters::incremental_mode_): New data member.
3517         (set_parameters_incremental_full): New function.
3518         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3519         incremental link mode.
3520         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3521         (Sized_relobj::do_relocate_sections): Likewise.
3522         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3523         option.
3524         * testsuite/Makefile.in: Regenerate.
3525         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3526
3527 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3528
3529         * script-sections.h (class Script_sections): Make
3530         Sections_elements typedef public.
3531         * script-sections.cc (class Sort_output_sections): Add elements_
3532         field.  Add constructor which sets it; change all callers.
3533         (Sort_output_sections::is_before): New function.
3534         (Sort_output_sections::operator()): Call is_before.
3535         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3536         conditional.
3537         * testsuite/script_test_10.sh: New test. Test script section
3538         order.
3539         * testsuite/script_test_10.t: Likewise.
3540         * testsuite/script_test_10.s: Likewise.
3541         * testsuite/Makefile.am: Wrap the cross linker tests and the
3542         common tests into NATIVE_OR_CROSS_LINKER.
3543         (check_SCRIPTS): Add script_test_10.sh.
3544         (check_DATA): Add script_test_10.stdout.
3545         (script_test_10.o, script_test_10): New targets.
3546         (script_test_10.stdout): New target.
3547         * configure, testsuite/Makefile.in: Regenerate.
3548
3549 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3550
3551         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3552         error for the deprecated relocations.
3553         (Target_arm::Scan::global): Likewise.
3554         (Target_arm::Relocate::relocate): Likewise.
3555
3556 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3557
3558         * fileread.cc (Input_file::find_file): Initialize *found_name
3559         and *namep when using the fallback search for case 4.
3560
3561 2010-10-11  Cary Coutant  <ccoutant@google.com>
3562
3563         * options.h (class General_options): Redefine -z lazy as an alias for
3564         the negation of -z now.
3565
3566 2010-10-11  Ian Lance Taylor  <iant@google.com>
3567
3568         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3569         binding.
3570
3571 2010-10-06  Nick Clifton  <nickc@redhat.com>
3572
3573         * script-sections.cc(class Memory_region): Remove
3574         current_lma_offset_ field.  Rename current_vma_offset_ to
3575         current_offset_.  Add last_section_ field.
3576         (Memory_region::get_current_vma_address): Rename to
3577         get_current_address.
3578         (Memory_region::get_current_lma_address): Delete.
3579         (Memory_region::increment_vma_offset): Rename to
3580         increment_offset.
3581         (Memory_region::increment_lma_offset): Delete.
3582         (Memory_region::attributes_compatible): New method.  Returns
3583         true if the provided section is compatible with the region.
3584         (Memory_region::get_last_section): New method.  Returns the last
3585         section to use the region.
3586         (Memory_region::set_last_section): New method.  Stores the last
3587         section to use the region.
3588         (Script_sections::block_in_region): New method.  Returns true if
3589         a block of memory is contained within a region.
3590         (Script_sections::find_memory_region): New method.  Locates a
3591         memory region to be used to set a VMA or LMA address.
3592         (Output_section_definition::set_section_addresses): Add code to
3593         check for addresses set by memory regions.
3594         (Output_segment::set_section_addresses): Remove memory region
3595         walking code.
3596         (Script_sections::create_segment): Add a warning if a header
3597         segment is created outside of any region.
3598         * script-sections.h (class Script_sections): Add prototypes for
3599         find_memory_region and block_in_region methods.
3600         * testsuite/memory_test.s: Use .long instead of .word.
3601         * testsuite/memory_test.t: Add some more output sections.
3602         * testsuite/memory_test.sh: Update expected output.
3603
3604 2010-10-02  Doug Kwan  <dougkwan@google.com>
3605
3606         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3607         defintion to symtab.h
3608         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3609         declaration to defintion.
3610
3611 2010-10-01  Nick Clifton  <nickc@redhat.com>
3612
3613         * expression.cc (eval): Replace dummy argument with NULL.
3614         (eval_maybe_dot): Check for a NULL result section pointer.
3615         (Symbol_expression::value): Likewise.
3616         (Dot_expression::value): Likewise.
3617         (BINARY_EXPRESSION): Likewise.
3618         (Max_expression::value): Likewise.
3619         (Min_expression::value): Likewise.
3620         (Absolute_expression::value): Likewise.
3621         (Addr_expression::value_from_output_section): Likewise.
3622         (Loaddddr_expression::value_from_output_section): Likewise.
3623         (Segment_start_expression::value): Likewise.
3624         * script-sections.cc
3625         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3626         argument with NULL.
3627         (Sections_elememt_dot_assignment::set_section_addresses):
3628         Likewise.
3629         (Output_data_expression::do_write_to_buffer): Likewise.
3630         (Output_section_definition::finalize_symbols): Likewise.
3631         (Output_section_definition::set_section_addresses): Likewise.
3632
3633 2010-09-30  Doug Kwan  <dougkwan@google.com>
3634
3635         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3636
3637 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3638
3639         * target.h (Target::can_icf_inline_merge_sections): New virtual
3640         function.
3641         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3642         virtual function.
3643         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3644         virtual function.
3645         * icf.cc (get_section_contents): Inline merge sections only when
3646         target allows it.
3647
3648 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3649
3650         * configure: Regenerate.
3651
3652 2010-09-17  Ian Lance Taylor  <iant@google.com>
3653
3654         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3655         * testsuite/Makefile.am (memory_test.o): New target.
3656         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3657         memory_test.t.
3658         * testsuite/Makefile.in: Rebuild.
3659
3660 2010-09-17  Doug Kwan  <dougkwan@google.com>
3661
3662         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3663         defintion if relocation uses GOT entries of the symbol.
3664         * testsuite/icf_safe_test.sh: Fix test.
3665         * testsuite/icf_safe_so_test.sh: Fix test.
3666
3667 2010-09-16  Cary Coutant  <ccoutant@google.com>
3668
3669         * script_sections.cc (class Memory_region): Remove "NULL" from
3670         vector initializations.
3671
3672 2010-09-15  Cary Coutant  <ccoutant@google.com>
3673
3674         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3675         Resolve forwarding symbols.
3676
3677 2010-09-15  Doug Kwan  <dougkwan@google.com>
3678
3679         * gold/testsuite/script_test_3.t: Add ARM special sections.
3680         * gold/testsuite/script_test_4.t: Same.
3681         * gold/testsuite/script_test_5.t: Same.
3682         * gold/testsuite/script_test_6.t: Same.
3683         * gold/testsuite/script_test_7.t: Same.
3684         * gold/testsuite/script_test_7.t: Same.
3685         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3686
3687 2010-09-14  Cary Coutant  <ccoutant@google.com>
3688
3689         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3690         (Target_x86_64::Relocate::relocate_tls): Replace check for
3691         saw_tls_block_reloc_ with test for executable section.
3692
3693 2010-09-12  Cary Coutant  <ccoutant@google.com>
3694
3695         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3696         position-independent executables to shared libraries need dynamic
3697         relocations.
3698         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3699         position-independent executables.
3700         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3701         * testsuite/Makefile.in: Regenerate.
3702
3703 2010-09-10  Nick Clifton  <nickc@redhat.com>
3704
3705         PR gold/11997
3706         * testsuite/memory_test.t: Discard any sections that are not
3707         needed.
3708
3709 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3710
3711         PR gold/11996
3712         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3713         "This::" to work around a bug in gcc 4.2.
3714
3715         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3716
3717 2010-09-09  Rafael Espindola  <espindola@google.com>
3718
3719         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3720         sections with different PF_X flags in the same segment.
3721         (Layout::find_first_load_seg): Search all segments to find the first
3722         one.
3723         * options.h (rosegment): New.
3724
3725 2010-09-08  Rafael Espindola  <espindola@google.com>
3726
3727         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3728
3729 2010-09-08  Doug Kwan  <dougkwan@google.com>
3730
3731         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3732         (Arm_relobj::do_relocate_sections): Add new parameter for output
3733         file to match the parent.
3734         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3735         of local symbols instead of input values.  Update code to track
3736         changes in gold::relocate_section.
3737         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3738         (Sized_relobj::compute_final_local_value_internal): New methods.
3739         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3740         body into private version of Sized_relobj::compute_final_local_value.
3741         Call the inline method.
3742         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3743         merged symbol value if there is one.
3744         (Symbol_value::has_output_value): New method defintiion.
3745         (Sized_relobj::Compute_final_local_value_status): New enum type.
3746         (Sized_relobj::compute_final_local_value): New methods.
3747         (Sized_relobj::compute_final_local_value_internal): New methods.
3748         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3749         and arm_cortex_a8.sh.
3750         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3751         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3752         New tests.
3753         * Makefile.in: Regenerate.
3754         * testsuite/arm_bl_out_of_range.s: Update test.
3755         * testsuite/thumb_bl_out_of_range.s: Ditto.
3756         * testsuite/thumb_blx_out_of_range.s: Ditto.
3757         * testsuite/arm_branch_out_of_range.sh: New file.
3758         * testsuite/arm_cortex_a8.sh: Ditto.
3759         * testsuite/arm_cortex_a8_b.s: Ditto.
3760         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3761         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3762         * testsuite/arm_cortex_a8_bl.s: Ditto.
3763         * testsuite/arm_cortex_a8_blx.s: Ditto.
3764         * testsuite/arm_cortex_a8_local.s: Ditto.
3765         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3766         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3767
3768 2010-09-08  Rafael Espindola  <espindola@google.com>
3769
3770         * Makefile.am (memory_test.stdout): Run readelf with -W.
3771         * Makefile.in: Regenerate.
3772         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3773         64 bit output.
3774
3775 2010-09-08  Rafael Espindola  <espindola@google.com>
3776
3777         * script-sections.cc (Script_sections::add_memory_region): Convert
3778         field precision to int.
3779         * script.cc (script_set_section_region, script_set_section_region):
3780         Convert field precision to int.
3781
3782 2010-09-08  Rafael Espindola  <espindola@google.com>
3783
3784         * arm.cc (do_finalize_sections): Create the __exidx_start and
3785         __exdix_end symbols even when the section is missing.
3786
3787 2010-09-08  Nick Clifton  <nickc@redhat.com>
3788
3789         * README: Remove claim that MEMORY is not supported.
3790         * expression.cc (script_exp_function_origin)
3791         (script_exp_function_length): Move from here to ...
3792         * script.cc: ... here.
3793         (script_set_section_region, script_add_memory)
3794         (script_parse_memory_attr, script_include_directive): New
3795         functions.
3796         * script-sections.cc
3797         (class Memory_region): New class.
3798         (class Output_section_definition): Add set_memory_region,
3799         set_section_vma, set_section_lma and get_section_name methods.
3800         (class Script_Sections): Add add_memory_region,
3801         find_memory_region, find_memory_region_origin,
3802         find_memory_region_length and set_memory_region methods.
3803         Have set_section_addresses method walk the list of set memory
3804         regions.
3805         Extend the print methos to display memory regions.
3806         * script-sections.h: Add prototypes for new methods.
3807         Add enum for MEMORY region attributes.
3808         * yyscript.y: Add support for parsing MEMORY regions.
3809         * script-c.h: Add prototypes for new functions.
3810         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3811         * testsuite/Makefile.in: Regenerate.
3812         * testsuite/memory_test.sh: New script.
3813         * testsuite/memory_test.s: New assembler source file.
3814         * testsuite/memory_test.t: New linker script.
3815
3816 2010-08-27  Doug Kwan  <dougkwan@google.com>
3817
3818         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3819         reference override an existing dynamic weak reference.
3820         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3821         * testsuite/Makefile.in: Regenerate.
3822         * testsuite/dyn_weak_ref.sh: New file.
3823         * testsuite/dyn_weak_ref_1.c: Ditto.
3824         * testsuite/dyn_weak_ref_2.c: Ditto.
3825
3826 2010-08-27  Ian Lance Taylor  <iant@google.com>
3827
3828         * incremental.h (class Incremental_input_entry): Add virtual
3829         destructor.
3830
3831 2010-08-27  Ian Lance Taylor  <iant@google.com>
3832
3833         * testsuite/start_lib_test_3.c: Mark t3 as used.
3834
3835 2010-08-27  Nick Clifton  <nickc@redhat.com>
3836
3837         * options.cc (version_script): Fix small typo in previous
3838         whitespace tidyup.
3839
3840 2010-08-25  Nick Clifton  <nickc@redhat.com>
3841
3842         * archive.cc: Formatting fixes: Remove whitespace between
3843         typename and following asterisk.  Remove whitespace between
3844         function name and opening parenthesis.
3845         * archive.h: Likewise.
3846         * arm.cc: Likewise.
3847         * attributes.cc: Likewise.
3848         * attributes.h: Likewise.
3849         * common.cc: Likewise.
3850         * copy-relocs.cc: Likewise.
3851         * dirsearch.h: Likewise.
3852         * dynobj.cc: Likewise.
3853         * ehframe.cc: Likewise.
3854         * ehframe.h: Likewise.
3855         * expression.cc: Likewise.
3856         * fileread.cc: Likewise.
3857         * fileread.h: Likewise.
3858         * gc.h: Likewise.
3859         * gold-threads.cc: Likewise.
3860         * gold.cc: Likewise.
3861         * i386.cc: Likewise.
3862         * icf.h: Likewise.
3863         * incremental-dump.cc: Likewise.
3864         * incremental.cc: Likewise.
3865         * layout.cc: Likewise.
3866         * layout.h: Likewise.
3867         * main.cc: Likewise.
3868         * merge.cc: Likewise.
3869         * merge.h: Likewise.
3870         * object.cc: Likewise.
3871         * object.h: Likewise.
3872         * options.cc: Likewise.
3873         * options.h: Likewise.
3874         * output.cc: Likewise.
3875         * output.h: Likewise.
3876         * plugin.cc: Likewise.
3877         * plugin.h: Likewise.
3878         * powerpc.cc: Likewise.
3879         * reloc.cc: Likewise.
3880         * script-c.h: Likewise.
3881         * script-sections.cc: Likewise.
3882         * script.cc: Likewise.
3883         * stringpool.cc: Likewise.
3884         * symtab.cc: Likewise.
3885         * symtab.h: Likewise.
3886         * target.cc: Likewise.
3887         * timer.cc: Likewise.
3888         * timer.h: Likewise.
3889         * version.cc: Likewise.
3890         * x86_64.cc: Likewise.
3891
3892 2010-08-24  Nick Clifton  <nickc@redhat.com>
3893
3894         PR 11899
3895         * layout.cc (segment_precedes): Sort segments by their physical
3896         addresses, if they have been set.
3897
3898 2010-08-23  Cary Coutant  <ccoutant@google.com>
3899
3900         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3901         symbols data.
3902         (Lib_group::include_member): Unlock object after deleting its
3903         symbols data.
3904         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3905         the bug fixed here.
3906
3907 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3908             Cary Coutant  <ccoutant@google.com>
3909
3910         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3911         constructor, and set_blocker.
3912         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3913         readsyms_blocker_.
3914         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3915         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3916         * testsuite/Makefile.am (start_lib_test): New test case.
3917         * testsuite/Makefile.in: Regenerate.
3918         * testsuite/start_lib_test_main.c: New file.
3919         * testsuite/start_lib_test_1.c: New file.
3920         * testsuite/start_lib_test_2.c: New file.
3921         * testsuite/start_lib_test_3.c: New file.
3922
3923 2010-08-19  Ian Lance Taylor  <iant@google.com>
3924
3925         * Makefile.in: Rebuild with automake 1.11.1.
3926         * aclocal.m4: Likewise.
3927         * testsuite/Makefile.in: Likewise.
3928
3929 2010-08-19  Ian Lance Taylor  <iant@google.com>
3930
3931         PR 10893
3932         * i386.cc (class Output_data_plt_i386): Update declarations.
3933         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3934         local_ifuncs_ fields.
3935         (Target_i386::do_plt_section_for_global): New function.
3936         (Target_i386::do_plt_section_for_local): New function.
3937         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3938         parameter; change all callers.  Initialize global_ifuncs_ and
3939         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3940         __rel_iplt_end.
3941         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3942         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3943         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3944         symbols.
3945         (Target_i386::make_plt_section): New function, broken out of
3946         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3947         (Target_i386::make_plt_entry): Call make_plt_section.
3948         (Target_i386::make_local_ifunc_plt_entry): New function.
3949         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3950         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3951         R_386_IRELATIVE to switch.
3952         (Target_i386::Scan::global): Likewise.
3953         (Target_i386::Relocate::relocate): Likewise.
3954         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3955         switch.
3956         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3957         (Target_x86_64::do_plt_section_for_global): New function.
3958         (Target_x86_64::do_plt_section_for_local): New function.
3959         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3960         parameter; change all callers.  If doing a static link define
3961         __rela_iplt_start and __rela_iplt_end.
3962         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3963         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3964         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3965         to point to .plt.
3966         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3967         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3968         switch.
3969         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3970         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3971         R_X86_64_IRELATIVE to switch.
3972         (Target_x86_64::Scan::global): Likewise.
3973         (Target_x86_64::Relocate::relocate): Likewise.
3974         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3975         switch.
3976         * target.h (class Target): Add plt_section_for_global and
3977         plt_section_for_local functions.  Add do_plt_section_for_global
3978         and do_plt_section_for_local virtual functions.
3979         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3980         clarifying comments.
3981         (Symbol::use_plt_offset): Handle IFUNC symbol.
3982         * object.cc (Sized_relobj::Sized_relobj): Initialize
3983         local_plt_offsets_.
3984         (Sized_relobj::local_has_plt_offset): New function.
3985         (Sized_relobj::local_plt_offset): New function.
3986         (Sized_relobj::set_local_plt_offset): New function.
3987         (Sized_relobj::do_count): Handle IFUNC symbol.
3988         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3989         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3990         is_ifunc_symbol functions.
3991         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3992         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3993         local_plt_offsets_ field.
3994         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3995         * output.h (class Output_section_data): Add non-const
3996         output_section function.
3997         (class Output_data_got): Update declarations.
3998         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3999         Add use_plt_offset parameter to global and local constructors.
4000         Change all callers.  Change local_sym_index_ field to 31 bits.
4001         Change GSYM_CODE and CONSTANT_CODE accordingly.
4002         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4003         doing a static link don't set sh_link field.
4004         (Output_data_got::Got_entry::write): Use PLT offset if
4005         appropriate.
4006         (Output_data_got::add_global_plt): New function.
4007         (Output_data_got::add_local_plt): New function.
4008         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4009         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4010         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4011         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4012         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4013         IFUNC conditional.
4014         * testsuite/ifunc-sel.h: New file.
4015         * testsuite/ifuncmain1.c: New file.
4016         * testsuite/ifuncmain1vis.c: New file.
4017         * testsuite/ifuncmod1.c: New file.
4018         * testsuite/ifuncdep2.c: New file.
4019         * testsuite/ifuncmain2.c: New file.
4020         * testsuite/ifuncmain3.c: New file.
4021         * testsuite/ifuncmod3.c: New file.
4022         * testsuite/ifuncmain4.c: New file.
4023         * testsuite/ifuncmain5.c: New file.
4024         * testsuite/ifuncmod5.c: New file.
4025         * testsuite/ifuncmain6pie.c: New file.
4026         * testsuite/ifuncmod6.c: New file.
4027         * testsuite/ifuncmain7.c: New file.
4028         * configure, testsuite/Makefile.in: Rebuild.
4029
4030 2010-08-18  Ian Lance Taylor  <iant@google.com>
4031
4032         * incremental.cc
4033         (Output_section_incremental_inputs::write_input_files): Add cast
4034         to avoid signed/unsigned comparison warning.
4035         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4036
4037 2010-08-12  Cary Coutant  <ccoutant@google.com>
4038
4039         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4040
4041 2010-08-13  Ian Lance Taylor  <iant@google.com>
4042
4043         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4044
4045 2010-08-12  Cary Coutant  <ccoutant@google.com>
4046             Doug Kwan  <dougkwan@google.com>
4047
4048         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4049         defintion overrides non-weak undef, remember that the original undef
4050         is not weak.
4051         * symtab.cc (Symbol_table::sized_write_global): For undef without
4052         an original weak binding, set binding to global in output.
4053         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4054         * testsuite/Makefile.in: Regenerate.
4055         * testsuite/strong_ref_weak_def.sh: New file.
4056         * testsuite/strong_ref_weak_def_1.c: Ditto.
4057         * testsuite/strong_ref_weak_def_2.c: Ditto.
4058
4059 2010-08-12  Cary Coutant  <ccoutant@google.com>
4060
4061         * testsuite/incremental_test.sh: Rewrite.
4062         * testsuite/incremental_test_1.c: Rewrite.
4063         * testsuite/incremental_test_2.c: Rewrite.
4064
4065 2010-08-12  Cary Coutant  <ccoutant@google.com>
4066
4067         * arm.cc (Target_arm::got_size): Add const.
4068         (Target_arm::got_entry_count): New function.
4069         (Target_arm::plt_entry_count): New function.
4070         (Target_arm::first_plt_entry_offset): New function.
4071         (Target_arm::plt_entry_size): New function.
4072         (Output_data_plt_arm::entry_count): New function.
4073         (Output_data_plt_arm::first_plt_entry_offset): New function.
4074         (Output_data_plt_arm::get_plt_entry_size): New function.
4075         * i386.cc (Target_i386::got_size): Add const.
4076         (Target_i386::got_entry_count): New function.
4077         (Target_i386::plt_entry_count): New function.
4078         (Target_i386::first_plt_entry_offset): New function.
4079         (Target_i386::plt_entry_size): New function.
4080         (Output_data_plt_i386::entry_count): New function.
4081         (Output_data_plt_i386::first_plt_entry_offset): New function.
4082         (Output_data_plt_i386::get_plt_entry_size): New function.
4083         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4084         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4085         * incremental.cc: Include target.h.
4086         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4087         parameter.  Adjust all callers.  Find incremental_got_plt section.
4088         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4089         section.
4090         (Output_section_incremental_inputs::set_final_data_size): Calculate
4091         size of incremental_got_plt section.
4092         (Output_section_incremental_inputs::do_write): Write the
4093         incremental_got_plt section.
4094         (Got_plt_view_info): New struct.
4095         (Local_got_offset_visitor): New class.
4096         (Global_got_offset_visitor): New class.
4097         (Global_symbol_visitor_got_plt): New class.
4098         (Output_section_incremental_inputs::write_got_plt): New function.
4099         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4100         Add parameter.  Adjust all callers.
4101         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4102         (Incremental_inputs::got_plt_section): New function.
4103         (Incremental_inputs::got_plt_section_): New data member.
4104         (Incremental_got_plt_reader): New class.
4105         * layout.cc (Layout::create_incremental_info_sections): Add the
4106         incremental_got_plt section.
4107         * object.h (Got_offset_list::get_list): New function.
4108         (Got offset_list::for_all_got_offsets): New function.
4109         (Sized_relobj::local_got_offset_list): New function.
4110         * powerpc.cc (Target_powerpc::got_size): Add const.
4111         (Target_powerpc::got_entry_count): New function.
4112         (Target_powerpc::plt_entry_count): New function.
4113         (Target_powerpc::first_plt_entry_offset): New function.
4114         (Target_powerpc::plt_entry_size): New function.
4115         (Output_data_plt_powerpc::entry_count): New function.
4116         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4117         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4118         * sparc.cc (Target_sparc::got_size): Add const.
4119         (Target_sparc::got_entry_count): New function.
4120         (Target_sparc::plt_entry_count): New function.
4121         (Target_sparc::first_plt_entry_offset): New function.
4122         (Target_sparc::plt_entry_size): New function.
4123         (Output_data_plt_sparc::entry_count): New function.
4124         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4125         (Output_data_plt_sparc::get_plt_entry_size): New function.
4126         * symtab.h (Symbol::got_offset_list): New function.
4127         (Symbol_table::for_all_symbols): New function.
4128         * target.h (Sized_target::got_entry_count): New function.
4129         (Sized_target::plt_entry_count): New function.
4130         (Sized_target::plt_entry_size): New function.
4131         * x86_64.cc (Target_x86_64::got_size): Add const.
4132         (Target_x86_64::got_entry_count): New function.
4133         (Target_x86_64::plt_entry_count): New function.
4134         (Target_x86_64::first_plt_entry_offset): New function.
4135         (Target_x86_64::plt_entry_size): New function.
4136         (Output_data_plt_x86_64::entry_count): New function.
4137         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4138         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4139
4140 2010-08-12  Cary Coutant  <ccoutant@google.com>
4141
4142         * archive.cc: Include incremental.h.
4143         (Archive::Archive): Initialize incremental_info_.
4144         (Archive::include_member): Record archive members in incremental info.
4145         (Add_archive_symbols::run): Record begin and end of an archive in
4146         incremental info.
4147         (Lib_group::include_member): Record objects in incremental info.
4148         * archive.h (Incremental_archive_entry): Forward declaration.
4149         (Archive::set_incremental_info): New member function.
4150         (Archive::incremental_info): New member function.
4151         (Archive::Unused_symbol_iterator): New class.
4152         (Archive::unused_symbols_begin): New member function.
4153         (Archive::unused_symbols_end): New member function.
4154         (Archive::incremental_info_): New data member.
4155         * incremental-dump.cc (find_input_containing_global): New function.
4156         (dump_incremental_inputs): Dump new incremental info sections.
4157         * incremental.cc: Include symtab.h.
4158         (Output_section_incremental_inputs): New class.
4159         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4160         new incremental info sections.
4161         (Sized_incremental_binary::do_check_inputs): Likewise.
4162         (Incremental_inputs::report_archive): Remove.
4163         (Incremental_inputs::report_archive_begin): New function.
4164         (Incremental_inputs::report_archive_end): New function.
4165         (Incremental_inputs::report_object): New function.
4166         (Incremental_inputs::finalize_inputs): Remove.
4167         (Incremental_inputs::report_input_section): New function.
4168         (Incremental_inputs::report_script): Rewrite.
4169         (Incremental_inputs::finalize): Do nothing but finalize string table.
4170         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4171         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4172         (Incremental_inputs::create_data_sections): New function.
4173         (Incremental_inputs::relocs_entsize): New function.
4174         (Output_section_incremental_inputs::set_final_data_size): New function.
4175         (Output_section_incremental_inputs::do_write): New function.
4176         (Output_section_incremental_inputs::write_header): New function.
4177         (Output_section_incremental_inputs::write_input_files): New function.
4178         (Output_section_incremental_inputs::write_info_blocks): New function.
4179         (Output_section_incremental_inputs::write_symtab): New function.
4180         * incremental.h (Incremental_script_entry): Forward declaration.
4181         (Incremental_object_entry): Forward declaration.
4182         (Incremental_archive_entry): Forward declaration.
4183         (Incremental_inputs): Forward declaration.
4184         (Incremental_inputs_header_data): Remove.
4185         (Incremental_inputs_header): Remove.
4186         (Incremental_inputs_header_write): Remove.
4187         (Incremental_inputs_entry_data): Remove.
4188         (Incremental_inputs_entry): Remove.
4189         (Incremental_inputs_entry_write): Remove.
4190         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4191         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4192         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4193         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4194         Likewise.
4195         (Incremental_input_entry): New class.
4196         (Incremental_script_entry): New class.
4197         (Incremental_object_entry): New class.
4198         (Incremental_archive_entry): New class.
4199         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4200         (Incremental_inputs::report_inputs): Remove.
4201         (Incremental_inputs::report_archive): Remove.
4202         (Incremental_inputs::report_archive_begin): New function.
4203         (Incremental_inputs::report_archive_end): New function.
4204         (Incremental_inputs::report_object): Change prototype.
4205         (Incremental_inputs::report_input_section): New function.
4206         (Incremental_inputs::report_script): Change prototype.
4207         (Incremental_inputs::get_reloc_count): New function.
4208         (Incremental_inputs::set_reloc_count): New function.
4209         (Incremental_inputs::create_data_sections): New function.
4210         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4211         (Incremental_inputs::inputs_section): New function.
4212         (Incremental_inputs::symtab_section): New function.
4213         (Incremental_inputs::relocs_section): New function.
4214         (Incremental_inputs::get_stringpool): Add const.
4215         (Incremental_inputs::command_line): Add const.
4216         (Incremental_inputs::inputs): Remove.
4217         (Incremental_inputs::command_line_key): New function.
4218         (Incremental_inputs::input_file_count): New function.
4219         (Incremental_inputs::input_files): New function.
4220         (Incremental_inputs::relocs_entsize): New function.
4221         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4222         (Incremental_inputs::finalize_inputs): Remove.
4223         (Incremental_inputs::Input_info): Remove.
4224         (Incremental_inputs::lock_): Remove.
4225         (Incremental_inputs::inputs_): Change type.
4226         (Incremental_inputs::inputs_map_): Remove.
4227         (Incremental_inputs::current_object_entry_): New data member.
4228         (Incremental_inputs::inputs_section_): New data member.
4229         (Incremental_inputs::symtab_section_): New data member.
4230         (Incremental_inputs::relocs_section_): New data member.
4231         (Incremental_inputs::reloc_count_): New data member.
4232         (Incremental_inputs_reader): New class.
4233         (Incremental_symtab_reader): New class.
4234         (Incremental_relocs_reader): New class.
4235         * layout.cc (Layout::finalize): Move finalization of incremental info
4236         and creation of incremental info sections to follow finalization of
4237         symbol table.  Set offsets for postprocessing sections.
4238         (Layout::create_incremental_info_sections): Call
4239         Incremental_inputs::create_data_sections.  Add incremental symtab
4240         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4241         sections to layout after input sections.
4242         * layout.h (struct Timespec): Forward declaration.
4243         (Layout::incremental_inputs): Add const.
4244         (Layout::create_incremental_info_sections): Add parameter.
4245         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4246         * object.cc: Include incremental.h.
4247         (Relobj::finalize_incremental_relocs): New function.
4248         (Sized_relobj::do_layout): Record input sections in incremental info.
4249         * object.h (Object::output_section): New function.
4250         (Object::output_section_offset): Moved from Relobj.
4251         (Object::get_incremental_reloc_base): New function.
4252         (Object::get_incremental_reloc_count): New function.
4253         (Object::do_output_section): New function.
4254         (Object::do_output_section_offset): Moved from Relobj.
4255         (Object::do_get_incremental_reloc_base): New function.
4256         (Object::do_get_incremental_reloc_count): New function.
4257         (Object::Object): Initialize new data members.
4258         (Relobj::output_section): Renamed do_output_section and moved to
4259         protected.
4260         (Relobj::output_section_offset): Moved to Object.
4261         (Relobj::do_get_incremental_reloc_base): New function.
4262         (Relobj::do_get_incremental_reloc_count): New function.
4263         (Relobj::allocate_incremental_reloc_counts): New function.
4264         (Relobj::count_incremental_reloc): New function.
4265         (Relobj::finalize_incremental_relocs): New function.
4266         (Relobj::next_incremental_reloc_index): New function.
4267         (Relobj::reloc_counts_): New data member.
4268         (Relobj::reloc_bases_): New data member.
4269         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4270         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4271         (Sized_relobj::incremental_relocs_scan): New function.
4272         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4273         (Sized_relobj::incremental_relocs_write): New function.
4274         (Sized_relobj::incremental_relocs_write_reltype): New function.
4275         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4276         incremental link.
4277         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4278         archives and object files elsewhere.
4279         (Add_symbols::run): Report object files here.
4280         (Finish_group::run): Report end of archive at end of group.
4281         * reloc.cc: Include layout.h, incremental.h.
4282         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4283         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4284         (Sized_relobj::incremental_relocs_scan): New function.
4285         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4286         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4287         (Sized_relobj::incremental_relocs_write): New function.
4288         (Sized_relobj::incremental_relocs_write_reltype): New function.
4289         * script.cc (read_input_script): Rewrite test for incremental link.
4290         Change call to Incremental_inputs::report_script.
4291         * symtab.h (Symbol_table::first_global_index): New function.
4292         (Symbol_table::output_count): New function.
4293
4294 2010-08-12  Doug Kwan  <dougkwan@google.com>
4295
4296         * arm.cc (Target_arm::merge_object_attributes): Check command line
4297         options --no-wchar-size-warning and --no-enum-size-warning.
4298         * options.h (General_options): Add ld-compatible options
4299         --no-enum-size-warning and --no-wchar-size-warning.
4300
4301 2010-08-04  Ian Lance Taylor  <iant@google.com>
4302
4303         * x86_64.cc (Target_x86_64::Scan::local): Use
4304         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4305         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4306         (Target_x86_64::Scan::global): Likewise.
4307         (Target_x86_64::Relocate::relocate): Likewise.
4308         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4309         Likewise.
4310
4311 2010-08-03  Cary Coutant  <ccoutant@google.com>
4312
4313         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4314         to reserve space in merged_strings vector. Keep total input size
4315         for stats.
4316         (Output_merge_string::do_print_merge_stats): Print total input size.
4317         * merge.h (Output_merge_string): Add input_size_ field.
4318         * stringpool.cc (Stringpool_template::string_length): Move
4319         implementations out of Stringpool_template class and place in
4320         stringpool.h.
4321         * stringpool.h (string_length): Move out of Stringpool_template.
4322
4323 2010-08-03  Ian Lance Taylor  <iant@google.com>
4324
4325         PR 11712
4326         * layout.cc (relaxation_loop_body): If address of load segment is
4327         set, adjust address to include headers if possible.
4328
4329 2010-08-03  Ian Lance Taylor  <iant@google.com>
4330
4331         * version.cc (version_string): Bump to 1.10.
4332
4333 2010-08-03  Ian Lance Taylor  <iant@google.com>
4334
4335         PR 11805
4336         * layout.h (enum Output_section_order): Define.
4337         (class Layout): Update declarations.
4338         * layout.cc (Layout::get_output_section): Add order parameter.
4339         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4340         is_first_non_relro parameters.  Change all callers.
4341         (Layout::choose_output_section): Likewise.
4342         (Layout::add_output_section_data): Likewise.
4343         (Layout::make_output_section): Likewise.  Set order.
4344         (Layout::default_section_order): New function.
4345         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4346         * output.cc (Output_section::Output_section): Initialize order_.
4347         Don't initialize deleted fields.
4348         (Output_segment::Output_segment): Don't initialize deleted
4349         fields.
4350         (Output_segment::add_output_section_to_load): New function
4351         replacing add_output_section.  Change all callers to call this or
4352         add_output_section_to_nonload.
4353         (Output_segment::add_output_section_to_nonload): New function.
4354         (Output_segment::remove_output_section): Rewrite.
4355         (Output_segment::add_initial_output_data): Likewise.
4356         (Output_segment::has_any_data_sections): Likewise.
4357         (Output_segment::is_first_section_relro): Likewise.
4358         (Output_segment::maximum_alignment): Likewise.
4359         (Output_segment::has_dynamic_reloc): New function replacing
4360         dynamic_reloc_count.  Change all callers.
4361         (Output_segment::has_dynamic_reloc_list): New function replacing
4362         dynamic_reloc_count_list.  Change all callers.
4363         (Output_segment::set_section_addresses): Rewrite.
4364         (Output_segment::set_offset): Rewrite.
4365         (Output_segment::find_first_and_last_list): Remove.
4366         (Output_segment::set_tls_offsets): Rewrite.
4367         (Output_segment::first_section_load_address): Likewise.
4368         (Output_segment::output_section_count): Likewise.
4369         (Output_segment::section_with_lowest_load_address): Likewise.
4370         (Output_segment::write_section_headers): Likewise.
4371         (Output_segment::print_sections_to_map): Likewise.
4372         * output.h (class Output_data): Remove dynamic_reloc_count_
4373         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4374         (Output_data::add_dynamic_reloc): Rewrite.
4375         (Output_data::has_dynamic_reloc): New function.
4376         (Output_data::dynamic_reloc_count): Remove.
4377         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4378         is_last_relro_, is_first_non_relro_, is_interp_,
4379         is_dynamic_linker_section_ fields.  Add order and set_order
4380         functions.  Remove is_relro_local, set_is_relro_local,
4381         is_last_relro, set_is_last_relro, is_first_non_relro,
4382         set_is_first_non_relro functions, is_interp, set_is_interp,
4383         is_dynamic_linker_section, and set_is_dynamic_linker_section
4384         functions.
4385         (class Output_segment): Change Output_data_list from std::list to
4386         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4387         output_bss_ fields.  Update declarations.
4388
4389 2010-08-02  Ian Lance Taylor  <iant@google.com>
4390
4391         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4392         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4393         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4394
4395 2010-08-02  Ian Lance Taylor  <iant@google.com>
4396
4397         PR 11855
4398         * script.cc (Script_options::Script_options): Initialize
4399         symbol_definitions_ and symbol_references_.
4400         (Script_options::add_symbol_assignment): Update
4401         symbol_definitions_ and symbol_references_.
4402         (Script_options::add_symbol_reference): New function.
4403         (script_symbol): New function.
4404         * script.h (class Script_options): Add symbol_definitions_ and
4405         symbol_references_ fields.
4406         (Script_options::referenced_const_iterator): New type.
4407         (Script_options::referenced_begin): New function.
4408         (Script_options::referenced_end): New function.
4409         (Script_options::is_referenced): New function.
4410         (Script_options::any_unreferenced): New function.
4411         * script-c.h (script_symbol): Declare.
4412         * yyscript.y (exp): Call script_symbol.
4413         * symtab.cc: Include "script.h".
4414         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4415         Change all callers.  Check symbols referenced by scripts.
4416         (Symbol_table::add_undefined_symbols_from_command_line): Add
4417         layout parameter.  Change all callers.
4418         (Symbol_table::do_add_undefined_symbols_from_command_line):
4419         Likewise.  Break out loop body.  Check symbols referenced by
4420         scripts.
4421         (Symbol_table::add_undefined_symbol_from_command_line): New
4422         function broken out of
4423         do_add_undefined_symbols_from_command_line.
4424         * symtab.h (class Symbol_table): Update declarations.
4425         * archive.cc: Include "layout.h".
4426         (Archive::should_include_member): Add layout parameter.  Change
4427         all callers.  Check for symbol mentioned in expression.
4428         * archive.h (class Archive): Update declaration.
4429         * object.cc (Sized_relobj::do_should_include_member): Add layout
4430         parameter.
4431         * object.h (Object::should_include_member): Add layout parameter.
4432         Change all callers.
4433         (Object::do_should_include_member): Add layout parameter.
4434         (class Sized_relobj): Update declaration.
4435         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4436         parameter.
4437         * dynobj.h (class Sized_dynobj): Update declaration.
4438         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4439         layout parameter.
4440         * plugin.h (class Sized_pluginobj): Update declaration.
4441
4442 2010-08-02  Ian Lance Taylor  <iant@google.com>
4443
4444         PR 11866
4445         * output.cc (Output_segment::set_offset): Search for the first and
4446         last sections rather than assuming that the list is in order.
4447         (Output_segment::find_first_and_last_list): New function.
4448         * output.h (class Output_segment): Update declarations.
4449         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4450         (relro_strip_test_SOURCES): New variable.
4451         (relro_strip_test_DEPENDENCIES): New variable.
4452         (relro_strip_test_LDFLAGS): New variable.
4453         (relro_strip_test_LDADD): New variable.
4454         (relro_strip_test.so): New target.
4455
4456 2010-08-02  Ian Lance Taylor  <iant@google.com>
4457
4458         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4459         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4460         (Target_i386::got_tlsdesc_section): New function.
4461         (Target_i386::got_section): Create space for GOT entries for
4462         TLSDESC relocations.
4463         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4464         R_386_TLS_GOTDESC.
4465         (Target_i386::Scan::global): Likewise.
4466         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4467         using TLSDESC GOT.
4468         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4469         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4470         (Target_x86_64::got_tlsdesc_section): New function.
4471         (Target_x86_64::got_section): Create space for GOT entries for
4472         TLSDESC relocations.
4473         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4474         R_386_TLS_GOTDESC.
4475         (Target_x86_64::Scan::global): Likewise.
4476         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4477         using TLSDESC GOT.
4478
4479 2010-08-02  Ian Lance Taylor  <iant@google.com>
4480
4481         * testsuite/final_layout.sh: Use dc to convert from hex to
4482         decimal.
4483
4484 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4485
4486         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4487         paramter to the call to gold::gc_process_relocs.
4488         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4489         paramter to the call to gold::gc_process_relocs.
4490         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4491         parameter to the call to gold::gc_process_relocs.
4492         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4493         template parameter to the call to gold::gc_process_relocs.
4494         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4495         paramter to the call to gold::gc_process_relocs.
4496         * gc.h (get_embedded_addend_size): New function.
4497         (gc_process_relocs): Save the size of the reloc for use by ICF.
4498         * icf.cc (get_section_contents): Get the addend from the text section
4499         for SHT_REL relocation sections.
4500         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4501         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4502         * int_encoding.h (read_from_pointer): New overloaded function.
4503         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4504         * testsuite/icf_sht_rel_addend_test.sh: New file.
4505         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4506         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4507
4508 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4509
4510         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4511         * Makefile.in: Regenerate.
4512         * testsuite/Makefile.in: Regenerate.
4513
4514 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4515
4516         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4517         * gold/testsuite/debug_msg.cc: Likewise.
4518         * gold/testsuite/odr_violation1.cc
4519         * gold/testsuite/odr_violation2.cc
4520
4521 2010-07-21  Cary Coutant  <ccoutant@google.com>
4522
4523         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4524         string, and length fields.
4525         (Output_merge_string::Merged_strings_list): New type.
4526         (Output_merge_string::Merged_strings_lists): New typedef.
4527         (Output_merge_string): Replace merged_strings_ with
4528         merged_strings_lists_.
4529         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4530         Merged_strings_list per input object and section.  Don't store pointer
4531         to the string.  Don't store length with each merged string entry.
4532         (Output_merge_string::finalize_merged_data): Loop over list of merged
4533         strings lists.  Recompute length of each merged string.
4534
4535 2010-07-15  Cary Coutant  <ccoutant@google.com>
4536
4537         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4538         here.
4539
4540 2010-07-14  Ian Lance Taylor  <iant@google.com>
4541
4542         * descriptors.cc (Descriptors::open): Report correct name in error
4543         message.
4544
4545 2010-07-13  Doug Kwan  <dougkwan@google.com>
4546
4547         * arm.cc (Arm_input_section::Arm_input_section): For a
4548         SHT_ARM_EXIDX section, always keeps the input sections.
4549         (Arm_input_section::set_exidx_section_link): New method.
4550         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4551         has_errors_ to false.
4552         (Arm_exidx_input_section::has_errors,
4553         Arm_exidx_input_section::set_has_errors): New methods.
4554         (Arm_exidx_input_section::has_errors_): New data member.
4555         (Arm_relobj::get_exidx_shndx_list): New method.
4556         (Arm_output_section::append_text_sections_to_list): Do not skip
4557         section without SHF_EXECINSTR.
4558         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4559         errors.
4560         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4561         section header.  Make error messages more verbose.  Check for
4562         a non-executable section linked to an EXIDX section.
4563         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4564         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4565         check that there is no deferred EXIDX section if we exit early.
4566         Instead of not making an EXIDX section in case of an error, make one
4567         and set the has_errors flag of it.
4568         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4569         in a relocatable link.
4570         (Target_arm::do_relax): Look for the EXIDX output section instead of
4571         assuming that it is called .ARM.exidx.
4572         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4573         section list.  Do not check for SHF_EXECINSTR section flags but
4574         skip any input section with errors.
4575         * output.cc (Output_section::Output_section): Initialize
4576         always_keeps_input_sections_ to false.
4577         (Output_section::add_input_section): Check for
4578         always_keeps_input_sections_.
4579         *  output.h (Output_section::always_keeps_input_sections,
4580         Output_section::set_always_keeps_input_sections): New methods.
4581         (Output_section::always_keeps_input_sections): New data member.
4582
4583 2010-07-13  Rafael Espindola  <espindola@google.com>
4584
4585         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4586         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4587
4588 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4589             Ian Lance Taylor  <iant@google.com>
4590
4591         * output.h (Output_section_lookup_maps::add_merge_section):
4592         Correct check of whether value was inserted.
4593         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4594         (Output_section_lookup_maps::add_relaxed_input_section):
4595         Likewise.
4596         * arm.cc (Target_arm::got_section): Remove used local os.
4597         * i386.cc (Target_i386::got_section): Likewise.
4598         * x86_64.cc (Target_x86_64::got_section): Likewise.
4599         * sparc.cc (Target_sparc::got_section): Likewise.
4600         (Target_sparc::relocate): Remove unused local have_got_offset.
4601         * powerpc.cc (Target_powerpc::relocate): Likewise.
4602
4603 2010-07-13  Ian Lance Taylor  <iant@google.com>
4604
4605         * compressed_output.cc (zlib_decompress): Fix signature in
4606         !HAVE_ZLIB_H case.
4607
4608         * archive.cc (Archive::include_member): Unlock an external member
4609         of a thin archive.  Don't bother to delete an object we know is
4610         NULL.
4611
4612 2010-07-12  Cary Coutant  <ccoutant@google.com>
4613
4614         * compressed_output.cc (zlib_decompress): New function.
4615         (get_uncompressed_size): New function.
4616         (decompress_input_section): New function.
4617         * compressed_output.h (get_uncompressed_size): New function.
4618         (decompress_input_section): New function.
4619         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4620         Handle compressed debug sections.
4621         * layout.cc (is_compressed_debug_section): New function.
4622         (Layout::output_section_name): Map compressed section names to
4623         canonical names.
4624         * layout.h (is_compressed_debug_section): New function.
4625         (is_debug_info_section): Recognize compressed debug sections.
4626         * merge.cc: Include compressed_output.h.
4627         (Output_merge_data::do_add_input_section): Handle compressed
4628         debug sections.
4629         (Output_merge_string::do_add_input_section): Handle compressed
4630         debug sections.
4631         * object.cc: Include compressed_output.h.
4632         (Sized_relobj::Sized_relobj): Initialize new data members.
4633         (build_compressed_section_map): New function.
4634         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4635         * object.h (Object::section_is_compressed): New method.
4636         (Object::do_section_is_compressed): New method.
4637         (Sized_relobj::Compressed_section_map): New type.
4638         (Sized_relobj::do_section_is_compressed): New method.
4639         (Sized_relobj::compressed_sections_): New data member.
4640         * output.cc (Output_section::add_input_section): Handle compressed
4641         debug sections.
4642         * reloc.cc: Include compressed_output.h.
4643         (Sized_relobj::write_sections): Handle compressed debug sections.
4644
4645 2010-07-08  Cary Coutant  <ccoutant@google.com>
4646
4647         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4648         weak when resolving to a dynamic def.
4649         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4650         for weak undef/dynamic def cases. Adjust callers.
4651         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4652         undef_binding_weak_.
4653         (Symbol_table::sized_write_globals): Adjust symbol binding.
4654         (Symbol_table::sized_write_symbol): Add binding parameter.
4655         * symtab.h (Symbol::set_undef_binding): New method.
4656         (Symbol::is_undef_binding_weak): New method.
4657         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4658         (Symbol_table::should_override): Add new parameter.
4659         (Symbol_table::sized_write_symbol): Add new parameter.
4660
4661         * testsuite/weak_undef_file1.cc: Add new test case.
4662         * testsuite/weak_undef_file2.cc: Fix header comment.
4663         * testsuite/weak_undef_test.cc: Add new test case.
4664
4665 2010-06-29  Doug Kwan  <dougkwan@google.com>
4666
4667         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4668         Initialize USE_SYMBOL_.
4669         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4670         definition.
4671         (Arm_reloc_property::uses_symbol_): New data member declaration.
4672         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4673         uses symbol value and symbol is undefined but not weakly undefined.
4674
4675 2010-06-28  Rafael Espindola  <espindola@google.com>
4676
4677         * plugin.cc (Plugin::load): Use dlerror.
4678
4679 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4680
4681         * symtab.cc (detect_odr_violations): When reporting an ODR
4682         violation, report an object where the symbol is defined.
4683
4684 2010-06-25  Doug Kwan  <dougkwan@google.com>
4685
4686         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4687         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4688         definition.
4689         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4690         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4691         target hook to detect function points.
4692         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4693         * icf.h (Icf::check_section_for_function_pointers): Change type of
4694         parameter SECTION_NAME to const reference to std::string.  Use
4695         target hook to determine if section may have unsafe pointers.
4696         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4697         method definition.
4698
4699 2010-06-21  Rafael Espindola  <espindola@google.com>
4700
4701         * fileread.cc (Input_file::find_fie): New
4702         (Input_file::open): Use Input_file::find_fie.
4703         * fileread.h (Input_file::find_fie): New
4704         * plugin.cc (set_extra_library_path): New.
4705         (Plugin::load): Add set_extra_library_path to the transfer vector.
4706         (Plugin_manager::set_extra_library_path): New.
4707         (Plugin_manager::add_input_file): Use the extra search path if set.
4708         (set_extra_library_path(): New.
4709         * plugin.h (Plugin_manager): Add set_extra_library_path and
4710         extra_search_path_.
4711
4712 2010-06-19  Cary Coutant  <ccoutant@google.com>
4713
4714         * layout.cc (gdb_sections): Add .debug_types.
4715         (lines_only_debug_sections): Likewise.
4716
4717 2010-06-18  Rafael Espindola  <espindola@google.com>
4718
4719         * plugin.cc (add_input_file,add_input_library)
4720         (Plugin_manager::add_input_file): Make filename arguments const.
4721         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4722         const.
4723
4724 2010-06-16  Doug Kwan  <dougkwan@google.com>
4725
4726         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4727         .ARM.attributes section if we have not merged any input
4728         attributes sections.
4729
4730 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4731
4732         * arm.cc: Allow combining objects with no EABI version
4733         information.
4734
4735 2010-06-15  Rafael Espindola  <espindola@google.com>
4736
4737         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4738
4739 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4740
4741         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4742         (struct iovec): Correct !HAVE_READV definition.
4743
4744 2010-06-10  Cary Coutant  <ccoutant@google.com>
4745
4746         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4747         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4748         reloc sections.
4749         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4750
4751         PR 11683
4752         * symtab.h (Symbol::is_placeholder): New member function.
4753         * target-reloc.h (relocate_section): Check for placeholder symbols.
4754
4755         * testsuite/Makefile.am (plugin_test_8): New test.
4756         (plugin_test_9): New test.
4757         * testsuite/Makefile.in: Regenerate.
4758
4759 2010-06-09  Nick Clifton  <nickc@redhat.com>
4760
4761         * yyscript.y (input_list_element): Allow strings prefixed with
4762         the '-' character.  Treat these as libraries.
4763         * script.cc (script_add_library): New function.  Adds a library
4764         specified by "-l<name>" found in an input script.
4765         * script-c.h: Add prototype for script_add_library.
4766
4767 2010-06-07  Doug Kwan  <dougkwan@google.com>
4768
4769         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4770         Restrict stub-group size to be within long conditional branch
4771         range when working around cortex-A8 erratum.
4772
4773 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4774
4775         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4776         #ifdef typo.
4777
4778 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4779
4780         PR gold/11658
4781         * output.cc
4782         (Output_section::Input_section_sort_entry::compare_section_ordering):
4783         Change to return non-zero correctly.
4784         (Output_section::Input_section_sort_section_order_index_compare
4785         ::operator()): Change to fix ambiguity in comparisons.
4786
4787 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4788
4789         * gold.h (is_wildcard_string): New function.
4790         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4791         (Layout::layout_eh_frame): Ditto.
4792         (Layout::find_section_order_index): New method.
4793         (Layout::read_layout_from_file): New method.
4794         * layout.h (Layout::find_section_order_index): New method.
4795         (Layout::read_layout_from_file): New method.
4796         (Layout::input_section_position_): New private member.
4797         (Layout::input_section_glob_): New private member.
4798         * main.cc (main): Call read_layout_from_file here.
4799         * options.h (--section-ordering-file): New option.
4800         * output.cc (Output_section::input_section_order_specified_): New
4801         member.
4802         (Output_section::Output_section): Initialize new member.
4803         (Output_section::add_input_section): Add new parameter.
4804         Keep input sections when --section-ordering-file is used.
4805         (Output_section::set_final_data_size): Sort input sections when
4806         section ordering file is specified.
4807         (Output_section::Input_section_sort_entry): Add new parameter.
4808         Check sorting type.
4809         (Output_section::Input_section_sort_entry::compare_section_ordering):
4810         New method.
4811         (Output_section::Input_section_sort_compare::operator()): Change to
4812         consider section_order_index.
4813         (Output_section::Input_section_sort_init_fini_compare::operator()):
4814         Change to consider section_order_index.
4815         (Output_section::Input_section_sort_section_order_index_compare
4816         ::operator()): New method.
4817         (Output_section::sort_attached_input_sections): Change to sort
4818         according to section order when specified.
4819         (Output_section::add_input_section<32, true>): Add new parameter.
4820         (Output_section::add_input_section<64, true>): Add new parameter.
4821         (Output_section::add_input_section<32, false>): Add new parameter.
4822         (Output_section::add_input_section<64, false>): Add new parameter.
4823         * output.h (Output_section::add_input_section): Add new parameter.
4824         (Output_section::input_section_order_specified): New
4825         method.
4826         (Output_section::set_input_section_order_specified): New method.
4827         (Input_section::Input_section): Initialize section_order_index_.
4828         (Input_section::section_order_index): New method.
4829         (Input_section::set_section_order_index): New method.
4830         (Input_section::section_order_index_): New member.
4831         (Input_section::Input_section_sort_section_order_index_compare): New
4832         struct.
4833         (Output_section::input_section_order_specified_): New member.
4834         * script-sections.cc (is_wildcard_string): Delete and move modified
4835         method to gold.h.
4836         (Output_section_element_input::Output_section_element_input): Modify
4837         call to is_wildcard_string.
4838         (Output_section_element_input::Input_section_pattern
4839         ::Input_section_pattern): Ditto.
4840         (Output_section_element_input::Output_section_element_input): Ditto.
4841         * testsuite/Makefile.am (final_layout): New test case.
4842         * testsuite/Makefile.in: Regenerate.
4843         * testsuite/final_layout.cc: New file.
4844         * testsuite/final_layout.sh: New file.
4845
4846 2010-06-01  Rafael Espindola  <espindola@google.com>
4847
4848         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4849
4850 2010-06-01  Rafael Espindola  <espindola@google.com>
4851
4852         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4853         visibility of symbols.
4854
4855 2010-05-27  Doug Kwan  <dougkwan@google.com>
4856
4857         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4858         from start of output section instead of address for a local symbol
4859         in a merged or relaxed section when doing a relocatable link.
4860
4861 2010-05-26  Rafael Espindola  <espindola@google.com>
4862
4863        PR 11604
4864         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4865         adding sections the garbage collector removed.
4866         * gold/testsuite/Makefile.am: Add test.
4867         * gold/testsuite/Makefile.in: Regenerate.
4868         * gold/testsuite/plugin_test_7.sh: New.
4869         * gold/testsuite/plugin_test_7_1.c: New.
4870         * gold/testsuite/plugin_test_7_2.c: New.
4871
4872 2010-05-26  Rafael Espindola  <espindola@google.com>
4873
4874         * script-sections.cc (Output_section_definition::set_section_addresses):
4875         Check for --section-start.
4876
4877 2010-05-26  Doug Kwan  <dougkwan@google.com>
4878
4879         * arm.cc (Arm_scan_relocatable_relocs): New class.
4880         (Target_arm::relocate_special_relocatable): New method.
4881         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4882         (Arm_relocate_functions::thumb_branch_common): Same.
4883         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4884         instead of Default_scan_relocatable_relocs.
4885         * target-reloc.h (relocate_for_relocatable): Let target handle
4886         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4887         * target.h (Sized_target::relocate_special_relocatable): New method.
4888
4889 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4890
4891         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4892
4893 2010-05-23  Doug Kwan  <dougkwan@google.com>
4894
4895         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4896         instead of a cast.
4897         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4898         with a direct branch, not a conditional branch, to a stub.
4899         * merge.cc (Output_merge_base::record_input_section): New method
4900         defintion.
4901         (Output_merge_data::do_add_input_section): Record input section if
4902         keeps-input-sections flag is set.
4903         (Output_merge_string::do_add_input_section): Ditto.
4904         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4905         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4906         INPUT_SECTIONS_.
4907         (Output_merge_base::keeps_input_sections,
4908         Output_merge_base::set_keeps_input_sections,
4909         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4910         method definitions.
4911         (Output_merge_base::Input_sections): New type declaration.
4912         (Output_merge_base::input_sections_begin,
4913         Output_merge_base::input_sections_end,
4914         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4915         (Output_merge_base::bool keeps_input_sections_,
4916         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4917         Output_merge_base::input_sections_): New data members.
4918         (Output_merge_data::do_set_keeps_input_sections): New method
4919         defintion.
4920         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4921         * output.cc (Output_section::Input_section::relobj): Move method
4922         defintion from class declaration to here and handle merge sections.
4923         (Output_section::Input_section::shndx): Ditto.
4924         (Output_section::Output_section): Remove initializations of removed
4925         data members and initialize new data member LOOKUP_MAPS_.
4926         (Output_section::add_input_section): Set keeps-input-sections flag
4927         for a newly created merge output section as appropriate.  Adjust code
4928         to use Output_section_lookup_maps class.
4929         (Output_section::add_relaxed_input_section): Adjst code for lookup
4930         maps code refactoring.
4931         (Output_section::add_merge_input_section): Add a new parameter
4932         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4933         class.  If adding input section to a newly created merge output
4934         section fails, remove the new merge section.
4935         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4936         Adjust code for use of the Output_section_lookup_maps class.
4937         (Output_section::find_merge_section): Ditto.
4938         (Output_section::build_lookup_maps): New method defintion.
4939         (Output_section::find_relaxed_input_section): Adjust code to use
4940         Output_section_lookup_maps class.
4941         (Output_section::get_input_sections): Export merge sections.  Adjust
4942         code to use Output_section_lookup_maps class.
4943         (Output_section:::add_script_input_section): Adjust code to use
4944         Output_section_lookup_maps class.  Update lookup maps for merge
4945         sections also.
4946         (Output_section::discard_states): Use Output_section_lookup_maps.
4947         (Output_section::restore_states): Same.
4948         * output.h (Merge_section_properties): Move class defintion out of
4949         Output_section.
4950         (Output_section_lookup_maps): New class.
4951         (Output_section::Input_section::is_merge_section): New method
4952         defintion.
4953         (Output_section::Input_section::relobj): Move defintion out of class
4954         defintion.  Declare method only.
4955         (Output_section::Input_section::shndx): Ditto.
4956         (Output_section::Input_section::output_merge_base): New method defintion.
4957         (Output_section::Input_section::u2_.pomb): New union field.
4958         (Output_section::Merge_section_by_properties_map,
4959         Output_section::Output_section_data_by_input_section_map,
4960         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4961         Remove types.
4962         (Output_section::add_merge_input_section): Add new parameter
4963         KEEPS_INPUT_SECTIONS.
4964         (Output_section::build_lookup_maps): New method declaration.
4965         (Output_section::merge_section_map_,
4966         Output_section::merge_section_by_properties_map_,
4967         Output_section::relaxed_input_section_map_,
4968         Output_section::is_relaxed_input_section_map_valid_): Remove data
4969         members.
4970         (Output_section::lookup_maps_): New data member.
4971
4972 2010-05-21  Doug Kwan  <dougkwan@google.com>
4973
4974         PR gold/11619
4975         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4976         avoid a compilation error.
4977
4978 2010-05-19  Rafael Espindola  <espindola@google.com>
4979
4980         * script-sections.cc (Output_section_definition::allocate_to_segment):
4981         Update the phdrs_list even when the output section is NULL.
4982         * testsuite/Makefile.am: Add test.
4983         * testsuite/Makefile.in: Regenerate.
4984         * testsuite/script_test_9.cc: New.
4985         * testsuite/script_test_9.sh: New.
4986         * testsuite/script_test_9.t: New.
4987
4988 2010-05-19  Doug Kwan  <dougkwan@google.com>
4989
4990         * arm.cc (Arm_input_section::original_size): New method.
4991         (Arm_input_section::do_addralign): Add a cast.
4992         (Arm_input_section::do_output_offset): Remove static cast.
4993         (Arm_input_section::original_addralign,
4994          Arm_input_section::original_size_): Change type to uint32_t.
4995         (Arm_input_section::init): Add safe casts for section alignment
4996         and size.
4997         (Arm_input_section::set_final_data_size): Do not set address and
4998         offset of stub table.
4999         (Arm_output_section::fix_exidx_coverage): Change use of of
5000         Output_section::Simple_input_section to that of
5001         Output_section::Input_section.
5002         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5003         except for the first pass.
5004         * output.cc (Output_section::get_input_sections): Change type of
5005         input_sections to std::list<Input_section>.
5006         (Output_section::add_script_input_section): Rename from
5007         Output_section::add_simple_input_section.  Change type of SIS
5008         parameter from Simple_input_section to Input_section.
5009         * output.h (Output_section::Simple_input_section): Remove class.
5010         (Output_section::Input_section): Change class visibility to public.
5011         (Output_section::Input_section::addralign): Use stored alignments
5012         for special input sections if set.
5013         (Output_section::Input_section::set_addralign): New method.
5014         (Output_section::get_input_sections): Change parameter type from
5015         list of Simple_input_section to list of Input_section.
5016         (Output_section::add_script_input_section): Rename from
5017         Output_section::add_simple_input_section. Change first parameter's
5018         type from Simple_input_section to Input_section and remove the
5019         second and third parameters.
5020         * script-sections.cc (Input_section::Input_section_list): Change
5021         type to list of Output_section::Input_section/
5022         (Input_section_info::Input_section_info): Change parameter type of
5023         INPUT_SECTION to Output_section::Input_section.
5024         (Input_section_info::input_section): Change return type.
5025         (Input_section_info::input_section_): Change type to
5026         Output_section::Input_section.
5027         (Output_section_element_input::set_section_addresses): Adjust code
5028         to use Output_section::Input_section instead of
5029         Output_section::Simple_input_section.  Adjust code for renaming
5030         of Output_section::add_simple_input_section.
5031         (Orphan_output_section::set_section_addresses): Ditto.
5032
5033 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5034
5035         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5036         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5037
5038 2010-05-18  Rafael Espindola  <espindola@google.com>
5039
5040         * options.cc (General_options::finalize): Handle -nostdlib.
5041         * options.h (nostdlib): New option.
5042         * script.cc (script_add_search_dir): Handle -nostdlib.
5043
5044 2010-05-12  Doug Kwan  <dougkwan@google.com>
5045
5046         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5047         attributes section only if there no attributes section after merging.
5048         (Target_arm::merge_object_attributes): Move value of
5049         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5050         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5051         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5052         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5053         and arm_attr_merge_7.stdout.
5054         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5055         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5056         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5057         arm_attr_merge_7b.o): New rules.
5058         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5059         arm_attr_merge_7
5060         * testsuite/Makefile.in: Regenerate.
5061         * testsuite/arm_attr_merge.sh: New file.
5062         * testsuite/arm_attr_merge_[67][ab].s: Same.
5063
5064 2010-05-05  Nick Clifton  <nickc@redhat.com>
5065
5066         * po/es.po: Updated Spanish translation.
5067
5068 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5069
5070         * Makefile.am (install-exec-local): Properly install gold as
5071         default cross linker.
5072         * Makefile.in: Regenerated.
5073
5074 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5075             Nick Clifton  <nickc@redhat.com>
5076
5077         * configure.ac (install_as_default): Define and set to false
5078         unless --enable-gold or --enable-gold=both/gold has been
5079         specified.
5080         * configure: Regenerate.
5081
5082         * Makefile.am (install-exec-local): Install the executable as
5083         'ld.gold'.  If install_as_default is true then also install it as
5084         'ld'.
5085         * Makefile.in: Regenerated.
5086
5087 2010-04-24  Ian Lance Taylor  <iant@google.com>
5088
5089         * layout.cc (Layout::layout_reloc): In relocatable link don't
5090         combine reloc sections for grouped sections.
5091
5092 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5093
5094         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5095         sections that are not ordinary to icf.
5096         * icf.cc (get_section_contents): Handle relocation pointing to section
5097         with no object or shndx information.
5098         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5099         * testsuite/Makefile.in: Regenerate.
5100         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5101         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5102
5103 2010-04-22  Ian Lance Taylor  <iant@google.com>
5104
5105         * expression.cc (Expression::Expression_eval_info): Add
5106         result_alignment_pointer field.
5107         (Expression::eval_with_dot): Add result_alignment_pointer
5108         parameter.  Change all callers.
5109         (Expression::eval_maybe_dot): Likewise.
5110         (class Binary_expression): Add alignment_pointer parameter to
5111         left_value and right_value.  Change all callers.
5112         (BINARY_EXPRESSION): Set result alignment.
5113         (class Trinary_expression): Add alignment_pointer parameter to
5114         arg2_value and arg3_value.  Change all callers.
5115         (Trinary_cond::value): Set result alignment.
5116         (Max_expression::value, Min_expression::value): Likewise.
5117         (Align_expression::value): Likewise.
5118         * script-sections.cc (class Sections_element): Add dot_alignment
5119         parameter to set_section_addresses virtual function.  Update
5120         instantiations.
5121         (class Output_section_element): Likewise.
5122         (Script_sections::create_segments): Add dot_alignment parameter.
5123         Change all callers.
5124         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5125         (Script_sections::set_phdrs_clause_addresses): Likewise.
5126         * script-sections.h: Update declarations.
5127         * script.h: Update declarations.
5128         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5129         min_p_align.
5130         * testsuite/script_test_3.t: Set large alignment.
5131         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5132         segment has expected alignment.
5133
5134 2010-04-22  Nick Clifton  <nickc@redhat.com>
5135
5136         * po/gold.pot: Updated by the Translation project.
5137         * po/vi.po: Updated Vietnamese translation.
5138
5139 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5140
5141         * testsuite/Makefile.am (check_PROGRAMS): Add
5142         icf_virtual_function_folding_test.
5143         * testsuite/Makefile.in: Regenerated.
5144
5145 2010-04-15  Andrew Haley  <aph@redhat.com>
5146
5147         * options.h (merge_exidx_entries): New option.
5148         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5149         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5150         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5151         (Target_arm::merge_exidx_entries): New function.
5152         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5153         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5154         to Arm_exidx_fixup constructor.
5155         Add new arg, merge_exidx_entries.
5156         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5157         Arm_output_section::fix_exidx_coverage.
5158
5159 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5160
5161         * icf.cc (get_section_contents): Check for preemptible functions.
5162         Ignore addend when appropriate.
5163         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5164         section folded.
5165         (add_from_relobj): Check for section folded.
5166         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5167         * symtab.h (should_add_dynsym_entry): Add new parameter.
5168         * target-reloc.h (scan_relocs): Check for section folded.
5169         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5170         Check reloc types for function pointers in shared objects.
5171         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5172         case.
5173         (icf_preemptible_functions_test): New test case.
5174         (icf_string_merge_test): New test case.
5175         * testsuite.Makefile.in: Regenerate.
5176         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5177         bar_glob.  Refactor code.
5178         * testsuite/icf_preemptible_functions_test.cc: New file.
5179         * testsuite/icf_preemptible_functions_test.sh: New file.
5180         * testsuite/icf_string_merge_test.cc: New file.
5181         * testsuite/icf_string_merge_test.sh: New file.
5182         * testsuite/icf_virtual_function_folding_test.cc: New file.
5183         * testsuite/icf_virtual_function_folding_test.sh: New file.
5184
5185 2010-04-14  Doug Kwan  <dougkwan@google.com>
5186
5187         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5188         for local symbol recounting if we remove a section due to ICF.
5189         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5190         there are no regular objects in input.
5191
5192 2010-04-13  Doug Kwan  <dougkwan@google.com>
5193
5194         * arm.cc (Arm_input_section::set_final_data_size): Compute
5195         accurate final data size instead of using current data size.
5196
5197 2010-04-09  Doug Kwan  <dougkwan@google.com>
5198
5199         * layout.cc (Layout::choose_output_section): Handle script section
5200         types.
5201         (Layout::make_output_section_for_script): Add section type parameter.
5202         Handle script section types.
5203         * layout.h (Layout::make_output_section_for_script): Add section
5204         type parameter.
5205         * output.cc (Output_section::Output_section): Initialize data member
5206         is_noload_.
5207         (Output_section::do_reset_address_and_file_offset): Do not set address
5208         to 0 if section is a NOLOAD section.
5209         * output.h (Output_section::is_noload): New method.
5210         (Output_section::set_is_noload): Ditto.
5211         (Output_section::is_noload_): New data member.
5212         * script-c.h (Script_section_type): New enum type.
5213         (struct Parser_output_section_header): Add new file section_type.
5214         * script-sections.cc (Sections_element::output_section_name): Add
5215         parameter for returning script section type.
5216         (Output_section_definition::output_section_name): Ditto.
5217         (Output_section_definition::section_type)P; New method.
5218         (Output_section_definiton::script_section_type_name): Ditto.
5219         (Output_section_definition::script_section_type_): New data member.
5220         (Output_section_definition::Output_section_definition): Initialize
5221         data member Output_section_definition::script_section_type_.
5222         (Output_section_definition::create_sections): Pass script section type
5223         to Layout::make_output_section_for_script.
5224         (Output_section_definition::output_section_name): Return script
5225         section type to caller.
5226         (Output_section_definition::set_section_address): Do not advance
5227         dot value and load address if section type is NOLOAD.  Set address
5228         of NOLOAD sections regardless of section flags.
5229         (Output_section_definition::print): Print section type if it is
5230         not SCRIPT_SECTION_TYPE_NONE.
5231         (Output_section_definition::section_type): New method.
5232         (Output_section_definition::script_section_type_name): Ditto.
5233         (Script_sections::output_section_name): Add new parameter
5234         PSECTION_TYPE for returning script section type.  Pass it to
5235         section elements.  Handle discard sections.
5236         (Sort_output_sections::operator()): Handle NOLOAD sections.
5237         * script-sections.h (Script_sections::Section_type): New enum type.
5238         (Script_sections::output_section_name): Add a new parameter for
5239         returning script section type.
5240         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5241         INFO and NOLOAD.
5242         * yyscript.y (union): Add new field SECTION_TYPE.
5243         (COPY, DSECT, INFO, NOLOAD): New tokens.
5244         (opt_address_and_section_type): Change type to output_section_header.
5245         (section_type): New non-terminal
5246         (section_header): Handle section type.
5247         (opt_address_and_section_type): Return section type value.
5248
5249 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5250
5251         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5252         * testsuite/plugin_common_test_2.c (foo): Likewise.
5253
5254 2010-04-08  Doug Kwan  <dougkwan@google.com>
5255
5256         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5257         Output_merge_data.
5258         * output.cc (Output_section::add_merge_input_section): Simplify
5259         code and return status of Output_merge_base::add_input_section.
5260         Update merge section map only if Output_merge_base::add_input_section
5261         returns true.
5262
5263 2010-04-07  Doug Kwan  <dougkwan@google.com>
5264
5265         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5266         if section is marked as containing instructions but has no mapping
5267         symbols.
5268         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5269         correct section index.
5270         (Arm_relobj::find_linked_text_section): Ditto.
5271
5272 2010-04-07  Cary Coutant  <ccoutant@google.com>
5273
5274         * archive.cc (include_member): Destroy Read_symbols_data object before
5275         releasing file.
5276         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5277         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5278         (Read_symbols_data::~Read_symbols_data) New destructor.
5279         (Section_relocs::Section_relocs) New constructor.
5280         (Section_relocs::~Section_relocs) New destructor.
5281         (Read_relocs_data::Read_relocs_data) New constructor.
5282         (Read_relocs_data::~Read_relocs_data) New destructor.
5283         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5284         pointers to NULL after deleting.
5285
5286 2010-04-07  Doug Kwan  <dougkwan@google.com>
5287
5288         * arm.cc: Replace "endianity" with "endianness" in comments.
5289         (Arm_exidx_cantunwind): Ditto.
5290         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5291         (Arm_relobj::merge_flags_and_attributes): New method.
5292         (Arm_relobj::merge_flags_and_attributes_): New data member.
5293         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5294         (Arm_relobj::scan_sections_for_stubs): Ditto.
5295         (Arm_relobj::do_read_symbols): Check to see if we really want to
5296         merge processor-specific flags and attributes.  Exit early if
5297         an object is empty except for section names and the undefined symbol.
5298         (Target_arm::do_finalize_sections): Move check for ELF format to
5299         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5300         attributes from a regular object only when we have determined that
5301         it is aapropriate.  Do not create an .ARM.attributes section in
5302         output if there is no regular input object.
5303         (Target_arm::merge_processor_specific_flags): Check
5304         --warn-mismatch before printing any error.
5305         (Target_arm::merge_object_attributes): Ditto.
5306         * gold.cc (queue_middle_tasks): Handle the case in which there is
5307         no regular object in input.
5308         * options.cc (General_options::parse_EB): New method.
5309         (General_options::parse_EL): Same.
5310         (General_options::General_options): Initialize endianness_.
5311         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5312         New options.
5313         (General_options::Endianness): New enum.
5314         (General_options::endianness): New method.
5315         (General_options::endianness_): New data member.
5316         * parameters.cc (Parameters::set_options): Check target endianness.
5317         (Parameters::set_target_once): Ditto.
5318         (Parameters::check_target_endianness): New method.
5319         (parameters_force_valid_target): If either -EL or -EB is specified,
5320         use it to define endianness of default target.
5321         * parameters.h (Parameters::check_target_endianness): New method
5322         declaration.
5323         * target.h (class Target): Change "endianity" to "endianness"
5324         in comments.
5325
5326 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5327
5328         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5329         * configure: Regenerate.
5330         * Makefile.in: Regenerate.
5331         * testsuite/Makefile.in: Regenerate.
5332
5333 2010-04-06  Cary Coutant  <ccoutant@google.com>
5334
5335         gcc PR lto/42757
5336         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5337         prevailing definitions of common symbols.
5338         * testsuite/plugin_test_6.sh: New test case.
5339         * testsuite/plugin_common_test_1.c: New test case.
5340         * testsuite/plugin_common_test_2.c: New test case.
5341         * testsuite/Makefile.am (plugin_test_6): New test case.
5342         * testsuite/Makefile.in: Regenerate.
5343
5344 2010-04-06  Nick Clifton  <nickc@redhat.com>
5345
5346         * po/vi.po: New Vietnamese translation.
5347
5348 2010-03-30  Doug Kwan  <dougkwan@google.com>
5349
5350         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5351
5352 2010-03-25  Doug Kwan  <dougkwan@google.com>
5353
5354         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5355         to avoid a conversion warning on a 32-bit host.
5356
5357 2010-03-24  Ian Lance Taylor  <iant@google.com>
5358
5359         * testsuite/script_test_3.t: Add a TLS segment.
5360         * testsuite/Makefile.am (check_PROGRAMS): Add
5361         tls_phdrs_script_test.
5362         (tls_phdrs_script_test_SOURCES): Define.
5363         (tls_phdrs_script_test_DEPENDENCIES): Define.
5364         (tls_phdrs_script_test_LDFLAGS): Define.
5365         (tls_phdrs_script_test_LDADD): Define.
5366         * testsuite/Makefile.in: Rebuild.
5367
5368 2010-03-23  Cary Coutant  <ccoutant@google.com>
5369
5370         * fileread.cc (find_or_make_view): Fix comment.
5371
5372 2010-03-23  Ian Lance Taylor  <iant@google.com>
5373
5374         * script-sections.cc (class Orphan_section_placement): Define
5375         PLACE_TLS and PLACE_TLS_BSS.
5376         (Orphan_section_placement::Orphan_section_placement): Initialize
5377         new places.
5378         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5379         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5380         (tls_script_test_SOURCES): Define.
5381         (tls_script_test_DEPENDENCIES): Define.
5382         (tls_script_test_LDFLAGS): Define.
5383         (tls_script_test_LDADD): Define.
5384         * testsuite/Makefile.in: Rebuild.
5385
5386 2010-03-22  Doug Kwan  <dougkwan@google.com>
5387
5388         * arm.cc (Arm_relocate_functions::abs8,
5389         Arm_relocate_functions::abs16): Use correct check for overflow
5390         specified in the ARM ELF specs.
5391         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5392         target of a BLX instruction specially.
5393         (Reloc_stub::stub_type_for_reloc): Ditto.
5394         (Relocate::relocate): Use symbolic names instead of numeric relocation
5395         codes to report error.
5396         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5397         workaround.
5398         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5399         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5400         thumb2_blx_out_of_range.stdout
5401         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5402         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5403         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5404         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5405         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5406         thumb2_blx_in_range, thumb2_blx_in_range.o,
5407         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5408         thumb2_blx_out_of_range.o): New rules.
5409         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5410         thumb2_blx_in_range and thumb2_blx_out_of_range.
5411         * testsuite/Makefile.in: Regenerate.
5412         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5413         * testsuite/thumb_blx_in_range.s: New file.
5414         * testsuite/thumb_blx_out_of_range.s: New file.
5415
5416 2010-03-22  Rafael Espindola  <espindola@google.com>
5417
5418         * archive.cc (Should_include): Move to archive.h.
5419         (should_include_member): Make it a member of Archive.
5420         (Lib_group): New.
5421         (Add_lib_group_symbols): New.
5422         * archive.h: Include options.h.
5423         (Archive_member): Moved from Archive.
5424         (Should_include): Moved from archive.cc.
5425         (Lib_group): New.
5426         (Add_lib_group_symbols): New.
5427         * dynobj.cc (do_should_include_member): New.
5428         * dynobj.h (do_should_include_member): New.
5429         * gold.cc (queue_initial_tasks): Update call to queue.
5430         * main.cc (main): Print lib group stats.
5431         * object.cc (do_should_include_member): New.
5432         * object.h: Include archive.h.
5433         (Object::should_include_member): New.
5434         (Object::do_should_include_member): New.
5435         (Sized_relobj::do_should_include_member): New.
5436         * options.cc (General_options::parse_start_lib): New.
5437         (General_options::parse_end_lib): New.
5438         (Input_arguments::add_file): Handle lib groups.
5439         (Input_arguments::start_group): Check we are not in a lib.
5440         (Input_arguments::start_lib): New.
5441         (Input_arguments::end_lib): New.
5442         * options.h (General_options): Add start_lib and end_lib.
5443         (Input_argument::lib_): New.
5444         (Input_argument::lib): New.
5445         (Input_argument::is_lib): New.
5446         (Input_file_lib): New.
5447         (Input_arguments::in_lib_): New.
5448         (Input_arguments::in_lib): New.
5449         (Input_arguments::start_lib): New.
5450         (Input_arguments::end_lib_): New.
5451         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5452         in unused members as preempted.
5453         (Sized_pluginobj::do_should_include_member): New.
5454         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5455         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5456         return the blocker.
5457         (Read_symbols::do_whole_lib_group): New.
5458         (Read_symbols::do_lib_group): New.
5459         (Read_symbols::do_read_symbols): Handle lib groups.
5460         (Read_symbols::get_name): Handle lib groups.
5461         * readsyms.h (Read_symbols): Add an archive member pointer.
5462         (Read_symbols::do_whole_lib_group): New.
5463         (Read_symbols::do_lib_group): New.
5464         (Read_symbols::member_): New.
5465         * script.cc (read_input_script): Update call to queue_soon.
5466
5467 2010-03-19  Doug Kwan  <dougkwan@google.com>
5468
5469         * arm.cc (Stub_table::Stub_table): Initialize new data members
5470         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5471         (Stub_table::add_reloc_stub): Assign stub offset and update
5472         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5473         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5474         New data members.
5475         (Stub_table::update_data_size_and_addralign): Use
5476         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5477         instead of going over all reloc stubs.
5478         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5479         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5480         Stringpool_template::offset_ to size of Stringpool_char.
5481         (Stringpool_template::new_key_offset): Remove code to initialize
5482         Stringpool_template::offset_.
5483         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5484         Stringpool_template::offset_ to zero.
5485
5486 2010-03-15  Doug Kwan  <dougkwan@google.com>
5487
5488         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5489         offset_.
5490         (Stringpool_template::new_key_offset): New method.
5491         (Stringpool_template::add_string): Assign offsets when adding new
5492         strings.
5493         (Stringpool_template::set_string_offsets): Do not set string offsets
5494         when not optimizing.
5495         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5496         member size_.
5497         (Chunked_vector::clear): Clear size_.
5498         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5499         (Chunked_vector::size): Return size_.
5500         (Chunked_vector::push_back): Use size_ to find insert position.
5501         (Chunked_vector::size_): New data member.
5502         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5503         (Stringpool_template::new_key_offset): New method declaration.
5504         (Stringpool_template::offset_): New data member.
5505
5506 2010-03-15   Rafael Espindola  <espindola@google.com>
5507
5508         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5509         Add_symbols' constructor.
5510         * readsyms.h (Add_symbols): Remove the input_group member.
5511
5512 2010-03-10  Ian Lance Taylor  <iant@google.com>
5513
5514         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5515         target to ask whether a reference to a symbol requires a stack
5516         split.
5517         * target.h (Target::is_call_to_non_split): New function.
5518         (Target::do_is_call_to_non_split): Declare virtual function.
5519         * target.cc: Include "symtab.h".
5520         (Target::do_is_call_to_non_split): New function.
5521         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5522
5523 2010-03-10  Cary Coutant  <ccoutant@google.com>
5524
5525         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5526         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5527         (File_read::open[2]): Add whole_file_view_ to list of views.
5528         (File_read::make_view): Remove test of whole_file_view_.
5529         (File_read::find_or_make_view): Create whole_file_view_ if
5530         necessary.
5531         (File_read::clear_views): Replace bool parameter with enum;
5532         adjust all callers.  Don't delete views with permanent data;
5533         do delete cached views and views from archives if
5534         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5535         if clearing the corresponding view.
5536         * fileread.h (File_read::Clear_views_mode): New enum.
5537         (File_read::View::is_permanent_view): New method.
5538         (File_read::clear_views): Replace bool parameter
5539         with enum; adjust all callers.
5540         * options.h (General_options): Change keep_files_mapped option;
5541         add map_whole_files.
5542         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5543         releasing the file.
5544         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5545         the file.
5546
5547 2010-03-10  David S. Miller  <davem@davemloft.net>
5548
5549         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5550
5551 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5552
5553         * icf.cc (get_section_contents): Add '@' marker after processing the
5554         merge reloc.
5555
5556 2010-03-08  Doug Kwan  <dougkwan@google.com>
5557
5558         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5559         due to a conversion warning.
5560         (Arm_relobj::update_output_local_symbol_count): Check for local
5561         symbol with unset output index.
5562
5563 2010-03-05  Ian Lance Taylor  <iant@google.com>
5564
5565         * options.h (class General_options): Add --spare-dynamic-tags.
5566         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5567         --spare-dynamic-tags.
5568
5569 2010-03-05  Ian Lance Taylor  <iant@google.com>
5570
5571         * incremental.cc: Include "libiberty.h".
5572
5573 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5574
5575         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5576         function, is_info_ member.
5577         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5578         (Versions::Versions): Update caller.
5579         (Versions::define_base_version): Likewise.
5580         (Versions::add_def): Likewise.
5581
5582 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5583
5584         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5585         (Scan::possible_function_pointer_reloc): New function.
5586         (Scan::local_reloc_may_be_function_pointer): Change to call
5587         possible_function_pointer_reloc.
5588         (Scan::global_reloc_may_be_function_pointer): Ditto.
5589         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5590         relocations in ".data.rel.ro._ZTV" section.
5591         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5592         * testsuite/icf_safe_so_test.cc: Ditto.
5593         * testsuite/icf_safe_test.cc: Ditto.
5594         * testsuite/icf_safe_test.sh: Ditto.
5595
5596 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5597             Ian Lance Taylor  <iant@google.com>
5598
5599         * target-reloc.h (relocate_section): Check the symbol table index
5600         for -1U before setting the local symbol index.
5601         (scan_relocatable_relocs): If copying the relocation, record that
5602         the local symbol is required.
5603         * object.h (Symbol_value::is_output_symtab_index_set): New
5604         function.
5605         (Symbol_value::may_be_discarded_from_output_symtab): New
5606         function.
5607         (Symbol_value::has_output_symtab_entry): New function.
5608         (Symbol_value::needs_output_symtab_entry): Remove.
5609         (Symbol_value::output_symtab_index): Make sure the symbol index is
5610         set.
5611         (Symbol_value::set_output_symtab_index): Make sure the symbol
5612         index is not set.  Make sure the new index is valid.
5613         (Symbol_value::set_must_have_output_symtab_entry): New function.
5614         (Symbol_value::has_output_dynsym_entry): New function.
5615         (Symbol_value::set_output_dynsym_index): Make sure the new index
5616         is valid.
5617         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5618         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5619         local symbol if permitted.
5620         (Sized_relobj::do_finalize_local_symbols): Call
5621         is_output_symtab_index_set rather than needs_output_symtab_entry.
5622         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5623         rather than needs_output_symtab_entry.  Call
5624         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5625         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5626         is_output_symtab_index_set rather than needs_output_symtab_entry.
5627         * testsuite/discard_locals_relocatable_test.c: New file.
5628         * testsuite/discard_locals_test.sh: Test -r.
5629         * testsuite/Makefile.am (check_DATA): Add
5630         discard_locals_relocatable_test1.syms,
5631         discard_local_relocatable_test2.syms.
5632         (MOSTLYCLEANFILES): Likewise.  Also add
5633         discard_locals_relocatable_test1.lout and
5634         discard_locals_relocatable_test2.out.
5635         (discard_locals_relocatable_test1.syms): New target.
5636         (discard_locals_relocatable_test.o): New target.
5637         (discard_locals_relocatable_test1.out): New target.
5638         (discard_locals_relocatable_test2.syms): New target.
5639         (discard_locals_relocatable_test2.out): New target.
5640         (various): Add missing ../ld-new dependencies.
5641         * testsuite/Makefile.in: Rebuild.
5642
5643 2010-03-03  Nick Clifton  <nickc@redhat.com>
5644
5645         * po/fi.po: New Finnish translation.
5646
5647 2010-03-01  Doug Kwan  <dougkwan@google.com>
5648
5649         * layout.cc (Layout::Layout): Force section types of .init_array*,
5650         .preinit_array* and .fini_array* sections.
5651         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5652         Fix check of return value of std::string::find.().
5653         (Output_section::Input_section_sort_compare::operator()): Remove
5654         comment about .init_array.
5655         (Output_section::Input_section_sort_init_fini_compare::operator()):
5656         New method.
5657         (Output_section::sort_attached_input_sections): Handle .init_array
5658         and .fini_array specially.
5659         * output.h (Output_section::Inut_section_sort_compare): Update
5660         comment.
5661         (Output_section::Input_section_sort_init_fini_compare): New struct.
5662
5663 2010-02-26  Doug Kwan  <dougkwan@google.com>
5664
5665         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5666         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5667         * testsuite/debug_msg.sh: Avoid matching source line number for
5668         use of global variable undef_int.
5669
5670 2010-02-26  Doug Kwan  <dougkwan@google.com>
5671
5672         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5673         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5674         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5675         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5676         * options.cc (General_options::General_options): Initialize member
5677         fix_v4bx_.
5678         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5679         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5680         and rm_no_fix_v4bx.stdout
5681         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5682         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5683         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5684         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5685         and arm_no_fix_v4bx.
5686         * Makefile.in: Regenerate.
5687         * testsuite/arm_fix_v4bx.s: New file.
5688         * testsuite/arm_fix_v4bx.sh: Ditto.
5689
5690 2010-02-24  Doug Kwan  <dougkwan@google.com>
5691
5692         * arm.cc (Target_arm::got_section): Make the .got section the first
5693         non RELRO section in the data segment.
5694         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5695         suffixes of section names.
5696
5697 2010-02-24  Doug Kwan  <dougkwan@google.com>
5698
5699         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5700         flags and attributes merging if an input file is a binary file.
5701         * fileread.cc (Input_file::open): Record format of original file.
5702         * fileread.h (Input_file::Format): New enum type.
5703         (Input_file::Input_file): Initialize data member format_.
5704         (Input_file::format): New method definition.
5705         (Input_file::format_):: New data member.
5706
5707 2010-02-24  Doug Kwan  <dougkwan@google.com>
5708
5709         * arm.cc (Arm_output_data_got): New class.
5710         (ARM_TCB_SIZE): New constant
5711         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5712         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5713         If user uses a script with a SECTIONS clause, issue only a warning
5714         for a misplaced EXIDX input section.  Otherwise, issue an error.
5715         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5716         garbage collection.
5717         (Target_arm::got_mode_index_entry): Handle static linking.
5718         (Target_arm::Scan::local): Ditto.
5719         (Target_arm::Scan::global): Ditto.
5720         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5721         all incorrectly implemented relocations.
5722         (Target_arm::fix_exidx_coverage): Pass layout to
5723         Arm_output_section::fix_exidx_coverage.
5724         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5725         from ".ARM.exidx." and ".ARM.extab.".
5726
5727 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5728
5729         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5730         section if it does not already exist.
5731         * attributes.cc (Attributes_section_data::Attributes_section_data):
5732         Don't crash if size is zero.
5733
5734 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5735             Ian Lance Taylor  <iant@google.com>
5736
5737         * gold.cc (queue_middle_tasks): If no input files were opened,
5738         exit.
5739         * workqueue.h (Task_function::Task_function): Assert that there is
5740         a blocker.
5741
5742 2010-02-22  Doug Kwan  <dougkwan@google.com>
5743
5744         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5745         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5746         types to avoid warnings due to different uint64_t implementations
5747         on different hosts.
5748
5749 2010-02-21  Doug Kwan  <dougkwan@google.com>
5750
5751         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5752         handling of the maximum backward branch offset.
5753         (Arm_relocate_functions::thumb_branch_common): Ditto.
5754         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5755         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5756         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5757         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5758         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5759         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5760         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5761         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5762         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5763         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5764         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5765         thumb2_bl_out_of_range.o): New rules.
5766         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5767         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5768         thumb2_bl_out_of_range
5769         * testsuite/Makefile.in: Regenerate.
5770         * testsuite/arm_bl_in_range.s: New file.
5771         * testsuite/arm_bl_out_of_range.s: Ditto.
5772         * testsuite/arm_branch_in_range.sh: Ditto.
5773         * testsuite/arm_branch_range.t: Ditto.
5774         * testsuite/thumb2_branch_range.t: Ditto.
5775         * testsuite/thumb_bl_in_range.s: Ditto.
5776         * testsuite/thumb_bl_out_of_range.s: Ditto.
5777         * testsuite/thumb_branch_range.t: Ditto.
5778
5779 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5780
5781         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5782         Add reloc offset information.
5783         * icf.cc (get_section_contents): Change iterators to point to the new
5784         vectors. Add reloc offset information to the contents.
5785         * icf.h (Icf::Sections_reachable_info): New typedef.
5786         (Icf::Sections_reachable_list): New typedef.
5787         (Icf::Offset_info): New typedef.
5788         (Icf::Reloc_info): New struct typedef.
5789         (Icf::Reloc_info_list): New typedef.
5790         (Icf::symbol_reloc_list): Delete method.
5791         (Icf::addend_reloc_list): Delete method.
5792         (Icf::section_reloc_list): Delete method.
5793         (Icf::reloc_info_list): New method.
5794         (Icf::reloc_info_list_): New member.
5795
5796 2010-02-19  Doug Kwan  <dougkwan@google.com>
5797
5798         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5799         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5800         * arm.cc (Arm_relocation_functions): New forward declaration.
5801         (Target_arm::Target_arm): Initialize new data members
5802         got_mod_index_offset_ and tls_base_symbol_defined_.
5803         (Target_arm::Relocate::relocate_tls): New method.
5804         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5805          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5806         New methods.
5807         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5808         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5809         (Target_arm::got_mod_index_offset_,
5810         Target_arm::tls_base_symbol_defined_): New data members.
5811         (Target_arm::Scan::local, Target::Scan::global,
5812         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5813         relocations.
5814
5815 2010-02-18  Doug Kwan  <dougkwan@google.com>
5816
5817         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5818         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5819         text section as a parameter becuase some broken tools may not set
5820         the link in section header.
5821         (Target_arm::has_got_section): New method.
5822         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5823         without any mapping symbol as data only.  Remove warning.
5824         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5825         link in its section header, try to discover the link by inspecting the
5826         REL31 relocation at the beginning of the section.
5827         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5828         in error message.
5829         (Target_arm::Scan::global): Treat any reference to the symbol
5830         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5831
5832 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5833
5834         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5835         (Scan::global_reloc_may_be_function_pointer): New function.
5836         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5837         (Scan::global_reloc_may_be_function_pointer): New function.
5838         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5839         (Scan::global_reloc_may_be_function_pointer): New function.
5840         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5841         (Scan::global_reloc_may_be_function_pointer): New function.
5842         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5843         (Scan::global_reloc_may_be_function_pointer): New function.
5844         (Scan::possible_function_pointer_reloc): New function.
5845         (Target_x86_64::can_check_for_function_pointers): New function.
5846         * gc.h (gc_process_relocs): Scan relocation types to determine if
5847         function pointers were taken for targets that support it.
5848         * icf.cc (Icf::find_identical_sections): Include functions for
5849         folding in safe ICF whose pointer is not taken.
5850         * icf.h (Secn_fptr_taken_set): New typedef.
5851         (fptr_section_id_): New member.
5852         (section_has_function_pointers): New function.
5853         (set_section_has_function_pointers): New function.
5854         (check_section_for_function_pointers): New function.
5855         * options.h: Fix comment for safe ICF option.
5856         * target.h (can_check_for_function_pointers): New function.
5857         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5858         Modify icf_safe_test for X86-64.
5859         * testsuite/Makefile.in: Regenerate.
5860         * testsuite/icf_safe_so_test.cc: New file.
5861         * testsuite/icf_safe_so_test.sh: New file.
5862         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5863         (main): Change to take pointer to function kept_func_3.
5864         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5865         folding is done correctly for X86-64.
5866
5867 2010-02-12  David S. Miller  <davem@davemloft.net>
5868
5869         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5870         is_symbolless parameter.
5871         (Output_reloc<SHT_REL>::is_symbolless): New.
5872         (Output_reloc<SHT_REL>::is_symbolless_): New.
5873         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5874         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5875         (Output_reloc<SHT_RELA>::is_symbolless): New.
5876         (Output_data_reloc::add_global): Handle is_symbolless.
5877         (Output_data_reloc::add_global_relative): Likewise.
5878         (Output_data_reloc::add_local): Likewise.
5879         (Output_data_reloc::add_local_relative): Likewise.
5880         (Output_data_reloc::add_symbolless_global_addend): New.
5881         (Output_data_reloc::add_symbolless_local_addend): New.
5882         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5883         is_symbolless.
5884         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5885         instead of ->is_relative_
5886         (Output_reloc::write): Likewise.
5887         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5888         (Output_reloc::write_rel): Simplify.
5889
5890         * sparc.cc (Target_sparc::Scan::local): Use
5891         ->add_symbolless_local_addend as needed.
5892         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5893         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5894         based upon relocation offset.
5895
5896 2010-02-11  Doug Kwan  <dougkwan@google.com>
5897
5898         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5899         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5900         beginning of function.
5901         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5902         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5903         parameter is_32bit in calls to should_apply_static_reloc.
5904         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5905         (check_DATA): Add arm_abs_global.stdout.
5906         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5907         arm_abs_global.stdout): New rules.
5908         (MOSTLLYCLEANFILES): Add arm_abs_global
5909         * Makefile.in: Regenerate.
5910         * testsuite/arm_abs_global.s: New file.
5911         * testsuite/arm_abs_global.sh: Ditto.
5912         * testsuite/arm_abs_lib.s: Ditto.
5913
5914 2010-02-11  Ian Lance Taylor  <iant@google.com>
5915
5916         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5917         Read_relocs task.
5918         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5919         Allocate_commons_task first.
5920         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5921         task, rather than symtab_lock_.
5922         (Gc_process_relocs::~Gc_process_relocs): New function.
5923         (Gc_process_relocs::is_runnable): Check this_blocker_.
5924         (Gc_process_relocs::locks): Use next_blocker_ rather than
5925         blocker_.
5926         (Scan_relocs::~Scan_relocs): New function.
5927         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5928         symtab_lock_.
5929         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5930         next_blocker_.
5931         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5932         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5933         constructor accordingly.
5934         (class Gc_process_relocs): Likewise.
5935         (class Scan_relocs): Likewise.
5936         * common.h (class Allocate_commons_task): Remove symtab_lock_
5937         field, and corresponding constructor parameter.
5938         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5939         symtab_lock_.
5940         (Allocate_commons_task::locks): Likewise.
5941
5942 2010-02-11  Ian Lance Taylor  <iant@google.com>
5943
5944         * gold-threads.h (class Once): Define.
5945         (class Initialize_lock): Rewrite as child of Once.
5946         * gold-threads.cc (class Once_initialize): Define.
5947         (once_pointer_control): New static variable.
5948         (once_pointer, once_arg): New static variables.
5949         (c_run_once): New static function.
5950         (Once::Once, Once::run_once, Once::internal_run): New functions.
5951         (class Initialize_lock_once): Remove.
5952         (initialize_lock_control): Remove.
5953         (initialize_lock_pointer): Remove.
5954         (initialize_lock_once): Remove.
5955         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5956         (Initialize_lock::initialize): Rewrite.
5957         (Initialize_lock::do_run_once): New function.
5958         * archive.cc (Archive::interpret_header): Only clear name if it is
5959         not already empty.
5960         * fileread.cc: Include "gold-threads.h"
5961         (file_counts_lock): New static variable.
5962         (file_counts_initialize_lock): Likewise.
5963         (File_read::release): Only increment counts when using --stats.
5964         Use a lock around the increment.
5965         * parameters.cc (class Set_parameters_target_once): Define.
5966         (set_parameters_target_once): New static variable.
5967         (Parameters::Parameters): Move here from parameters.h.
5968         (Parameters::set_target): Rewrite.
5969         (Parameters::set_target_once): New function.
5970         (Parameters::clear_target): Move here and rewrite.
5971         * parameters.h (class Parameters): Update declarations.  Add
5972         set_parameters_target_once_ field.
5973         (Parameters::Parameters): Move to parameters.cc.
5974         (Parameters::clear_target): Likewise.
5975         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5976         task.
5977         (Start_group::~Start_group): New function.
5978         (Start_group::is_runnable): New function.
5979         (Start_group::locks, Start_group::run): New functions.
5980         (Finish_group::run): Change saw_undefined to size_t.
5981         * readsyms.h (class Start_group): Define.
5982         (class Finish_group): Change saw_undefined_ field to size_t.
5983         (Finish_group::Finish_group): Remove saw_undefined and
5984         this_blocker parameters.  Change all callers.
5985         (Finish_group::set_saw_undefined): New function.
5986         (Finish_group::set_blocker): New function.
5987         * symtab.h (class Symbol_table): Change saw_undefined to return
5988         size_t.  Change saw_undefined_ field to size_t.
5989         * target-select.cc (Set_target_once::do_run_once): New function.
5990         (Target_selector::Target_selector): Initialize set_target_once_
5991         field.  Don't initialize lock_ and initialize_lock_ fields.
5992         (Target_selector::instantiate_target): Rewrite.
5993         (Target_selector::set_target): New function.
5994         * target-select.h (class Set_target_once): Define.
5995         (class Target_selector): Update declarations.  Make
5996         Set_target_once a friend.  Remove lock_ and initialize_lock_
5997         fields.  Add set_target_once_ field.
5998
5999 2010-02-10  Ian Lance Taylor  <iant@google.com>
6000
6001         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6002         queueing any tasks.
6003         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6004         (queue_middle_tasks): Add all blockers before queueing any tasks.
6005         (queue_final_tasks): Likewise.
6006         * token.h (Task_token::add_blockers): New function.
6007         * object.h (Input_objects::number_of_relobjs): New function.
6008
6009 2010-02-10  Ian Lance Taylor  <iant@google.com>
6010
6011         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6012         shared, not if not position independent.
6013         * x86_64.cc (Relocate::relocate_tls): Likewise.
6014         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6015         (tls_pie_pic_test): New target.
6016         * testsuite/Makefile.in: Rebuild.
6017
6018         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6019         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6020         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6021         * testsuite/Makefile.in: Rebuild.
6022
6023 2010-02-09  David S. Miller  <davem@davemloft.net>
6024
6025         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6026         R_SPARC_RELATIVE using ->add_local_relative().
6027         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6028
6029         * output.h (Output_data_dynamic::add_section_size): New method
6030         that takes two Output_data objects.
6031         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6032         entry param.  Handle it in initializers.
6033         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6034         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6035         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6036         arg.
6037         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6038         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6039         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6040         for dynrel_includes_plt.
6041         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6042         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6043         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6044         before .rela.plt
6045         (Target_sparc::do_finalize_sections): Update to pass true for
6046         dynrel_includes_plt.
6047         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6048         output before .rela.plt
6049         (Target_powerpc::do_finalize_sections): Update to pass true for
6050         dynrel_includes_plt when 32-bit.
6051
6052 2010-02-08  Doug Kwan  <dougkwan@google.com>
6053
6054         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6055         method.
6056         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6057         Arm_relobj::scan_section_for_cortex_a8_stubs,
6058         Arm_relobj::do_relocation_section): Instead of calling
6059         Output_section::output_address, use faster
6060         Arm_relobj::simple_input_section_output_address.
6061
6062 2010-02-08  David S. Miller  <davem@davemloft.net>
6063
6064         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6065         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6066         relocation helper function.
6067
6068         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6069         just like R_SPARC_GOT{10,13,22}.
6070         (Target_sparc::Scan::local): Likewise.
6071         (Target_sparc::Relocate:relocate): Likewise.
6072
6073 2010-02-06  Ian Lance Taylor  <iant@google.com>
6074
6075         * configure.ac: Rewrite targetobjs duplicate removal code to use
6076         only shell constructs.
6077         * configure: Rebuild.
6078
6079 2010-02-05  Doug Kwan  <dougkwan@google.com>
6080
6081         PR 11247
6082         * arm.cc (Arm_relobj::section_is_scannable): New method.
6083         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6084         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6085
6086 2010-02-04  Doug Kwan  <dougkwan@google.com>
6087
6088         PR 11247
6089         * arm-reloc-property.cc (cstdio): Include.
6090         * configure.ac (targetobjs): Remove duplicates.
6091         * configure: Regenerate.
6092         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6093         big and little endian version for a given address size.
6094
6095 2010-02-03  Doug Kwan  <dougkwan@google.com>
6096
6097         * arm-reloc-property.cc
6098         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6099         definition.
6100         * arm-reloc-property.h
6101         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6102         New method definition.
6103         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6104         declaration.
6105         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6106         overflow to N.
6107         (GOT_PREL): Change implemented to Y.
6108         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6109         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6110         (Arm_relocate_functions::movw_abs_nc): Remove method.
6111         (Arm_relocate_functions::movt_abs): Ditto.
6112         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6113         (Arm_relocate_functions::thm_movt_abs): Ditto.
6114         (Arm_relocate_functions::movw_rel_nc): Ditto.
6115         (Arm_relocate_functions::movw_rel): Ditto.
6116         (Arm_relocate_functions::movt_rel): Ditto.
6117         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6118         (Arm_relocate_functions:thm_movw_rel): Ditto.
6119         (Arm_relocate_functions:thm_movt_rel): Ditto.
6120         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6121         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6122         New method definitions.
6123         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6124         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6125         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6126         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6127         (Target_arm::Relocate::relocate): Check for non-static or
6128         unimplemented relocation code and exit early.  Change calls to
6129         Target_arm::reloc_uses_thumb_bit and
6130         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6131         instead.  Refactor code to handle similar relocations to increase
6132         code sharing.  Remove check for unsupported relocation code in switch
6133         statement.
6134         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6135         relocation property table to find out size.  Change error message to
6136         print out the name of a relocation code instead of the numeric value.
6137         (Target_arm::scan_reloc_for_stub): Use relocation property table
6138         instead of calling Target_arm::reloc_uses_thumb_bit().
6139
6140 2010-02-02  Doug Kwan  <dougkwan@google.com>
6141
6142         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6143         types of relaxed input section.
6144
6145 2010-02-02  Doug Kwan  <dougkwan@google.com>
6146
6147         * Makefile.am (HFILES): Add arm-reloc-property.h.
6148         (DEFFILES): New.
6149         (TARGETSOURCES): Add arm-reloc-property.cc
6150         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6151         (libgold_a_SOURCES): $(DEFFILES)
6152         * Makefile.in: Regenerate.
6153         * arm-reloc-property.cc: New file.
6154         * arm-reloc-property.h: New file.
6155         * arm-reloc.def: New file.
6156         * arm.cc: Update comments.
6157         (arm-reloc-property.h): New included header.
6158         (arm_reloc_property_table): New global variable.
6159         (Target_arm::do_select_as_default_target): New method definition.
6160         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6161         arm-reloc-property to targ_extra_obj.
6162         * parameters.cc (set_parameters_target): Call
6163         Target::select_as_default_target().
6164         * target.h (Target::select_as_default_target): New method definition.
6165         (Target::do_select_as_default_target): Same.
6166
6167 2010-02-01  Doug Kwan  <dougkwan@google.com>
6168
6169         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6170         first_output_text_section_.
6171         (Arm_exidx_fixup::first_output_text_section): New method definition.
6172         (Arm_exidx_fixup::first_output_text_section_): New data member.
6173         (Arm_exidx_fixup::process_exidx_section): Record the first text
6174         output section seen.
6175         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6176         and entsize in output section header.
6177
6178 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6179
6180         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6181         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6182         (Arm_relocate_functions::thm_alu11): New Method.
6183         (Arm_relocate_functions::thm_pc8): New Method.
6184         (Arm_relocate_functions::thm_pc12): New Method.
6185         (Target_arm::Scan::local): Handle the relocations.
6186         (Target_arm::Scan::global): Likewise.
6187         (Target_arm::Relocate::relocate): Likewise.
6188         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6189
6190 2010-01-29  Doug Kwan  <dougkwan@google.com>
6191
6192         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6193         of relocation types as ld.
6194
6195 2010-01-29  Doug Kwan  <dougkwan@google.com>
6196
6197         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6198         to public.
6199         (Arm_relocate_functions::thumb_branch_common): Ditto.
6200         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6201         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6202         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6203         Arm_relocate_functions::jump24): Remove.
6204         (Target_arm::Relocate::relocate): Adjust code to call
6205         Arm_relocation_functions::arm_branch_common and
6206         Arm_relocation_functions::thumb_branch_common instead of their removed
6207         wrappers.  Merge switch-cases together to reduce source code size.
6208
6209 2010-01-29  Doug Kwan  <dougkwan@google.com>
6210
6211         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6212         output_local_symbol_count_needs_update_.
6213         (Arm_relobj::output_local_symbol_count_needs_update,
6214          Arm_relobj::set_output_local_symbol_count_needs_update,
6215          Arm_relobj::update_output_local_symbol_count): New methods.
6216         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6217         member.
6218         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6219         of pointed function as in a R_ARM_PREL31 relocation.
6220         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6221         for output local symbol count updating.
6222         (Target_arm::do_relax): Update output local symbol counts in objects
6223         if necessary.
6224         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6225
6226 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6227
6228         * arm.cc: Added support for the ARM relocations:
6229         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6230         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6231         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6232         movw_prel_nc).
6233         (Arm_relocate_functions::movw_rel): New method.
6234         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6235         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6236         thm_movw_prel_nc).
6237         (Arm_relocate_functions::thm_movw_rel): New method.
6238         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6239         thm_movt_prel).
6240         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6241         relocations.
6242         (Target_arm::Scan::global): Likewise.
6243         (Target_arm::Relocate::relocate): Likewise.
6244         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6245         Likewise.
6246
6247 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6248
6249         * arm.cc: Added support for ARM group relocations.
6250         (Target_arm::reloc_needs_sym_origin): New method.
6251         (Arm_relocate_functions::calc_grp_kn): New method.
6252         (Arm_relocate_functions::calc_grp_residual): New method.
6253         (Arm_relocate_functions::calc_grp_gn): New method.
6254         (Arm_relocate_functions::arm_grp_alu): New Method.
6255         (Arm_relocate_functions::arm_grp_ldr): New Method.
6256         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6257         (Arm_relocate_functions::arm_grp_ldc): New Method.
6258         (Target_arm::Scan::local): Handle the ARM group relocations.
6259         (Target_arm::Scan::global): Likewise.
6260         (Target_arm::Relocate::relocate): Likewise.
6261         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6262         Likewise.
6263
6264 2010-01-26  Doug Kwan  <dougkwan@google.com>
6265
6266         * arm.cc (set): Include.
6267         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6268         pointer type.
6269         (Arm_output_section::Text_section_list): New type.
6270         (Arm_output_section::append_text_sections_to_list): New method.
6271         (Arm_output_section::fix_exidx_coverage): Ditto.
6272         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6273         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6274         Relobj::set_section_offset() instead of
6275         Sized_relobj::invalidate_section_offset().
6276         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6277         parameter for section headers. Ignore relocation sections for
6278         unallocated sections and EXIDX sections.
6279         (Target_arm::fix_exidx_coverage): New method.
6280         (Target_arm::output_section_address_less_than): New type.
6281         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6282         linked text section instead of the EXIDX section.
6283         (Arm_output_section::create_stub_group): Add an assertion to check
6284         that this is not an EXIDX output section.
6285         (Arm_output_section::append_text_sections_to_list): New method.
6286         (Arm_output_section::fix_exidx_coverage): Ditto.
6287         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6288         Arm_relobj::section_needs_reloc_stub_scanning.
6289         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6290         first pass.
6291         (Target_arm::fix_exidx_coverage): New method.
6292         * object.h (Relobj::set_output_section): New method.
6293         (Sized_relobj::invalidate_section_offset): Remove method.
6294         (Sized_relobj::do_invalidate_section_offset): Remove method.
6295         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6296
6297 2010-01-25  Doug Kwan  <dougkwan@google.com>
6298
6299         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6300         Fix warning due to signed and unsigned comparison on a 32-bit host.
6301
6302 2010-01-22  Doug Kwan  <dougkwan@google.com>
6303
6304         * arm.cc (Target_arm::do_relax): Record an output section for section
6305         offset adjustment it contains any stub table that has changed.
6306         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6307         offsets in an output section if necessary.
6308         * output.cc (Output_section::Output_section): Initialize
6309         section_offsets_need_adjustments_.
6310         (Output_section::add_input_section_for_script): Renamed to
6311         Output_section::add_simple_input_section.
6312         (Output_section::save_states): Add a comment.
6313         (Output_section::discard_states): New method defintion.
6314         (Output_section::adjust_section_offsets): Same.
6315         * output.h (Output_section::add_input_section_for_script): Renamed to
6316         Output_section::add_simple_input_section.
6317         (Output_section::discard_states): New method declaration.
6318         (Output_section::adjust_section_offsets): Same.
6319         (Output_section::section_offsets_need_adjustment,
6320         Output_section::set_section_offsets_need_adjustment): New method
6321         definitions.
6322         (Output_section::section_offsets_need_adjustment_): New data member.
6323         * script-sections.cc
6324         (Output_section_element_input::set_section_address): Adjust code for
6325         renaming of Output_section::add_input_section_for_script.
6326         (Orphan_output_section::set_section_address): Same.
6327
6328 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6329
6330         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6331         Fix_v4bx enum values .
6332         * gold/options.h (General_options): New option definitions.
6333         (General_options::fix_v4bx): New method.
6334         (General_options::Fix_v4bx): New enum.
6335         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6336         (General_options::parse_fix_v4bx_interworking): New method.
6337
6338 2010-01-22  Doug Kwan  <dougkwan@google.com>
6339
6340         * arm.cc (Arm_exidx_fixup): New class.
6341
6342 2010-01-21  Doug Kwan  <dougkwan@google.com>
6343
6344         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6345         classes.
6346         (Arm_exidx_section_offset_map): New type.
6347
6348 2010-01-21  Doug Kwan  <dougkwan@google.com>
6349
6350         * arm.cc (Arm_exidx_input_section): New class.
6351         (Arm_relobj::exidx_input_section_by_link,
6352         Arm_relobj::exidx_input_section_by_shndx,
6353         Arm_relobj::make_exidx_input_section): New methods.
6354         (read_arm_attributes_section): Remove.
6355         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6356         information about them.
6357         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6358         to here.
6359
6360 2010-01-20  Doug Kwan  <dougkwan@google.com>
6361
6362         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6363         Input_section_specifier to Section_id.
6364         (Target_arm::new_arm_input_section: Adjust code for change of key
6365         type.
6366         (Target_arm::find_arm_input_section): Ditto.
6367         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6368         (Section_id): Remove.
6369         (Garbage_collection::Section_id_hash): Remove.
6370         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6371         (Section_id): Remove.
6372         (Icf::Section_id_hash): Remove.
6373         * object.h (Section_id, Const_section_id, Section_id_hash,
6374         Const_section_id_hash): New type definitions.
6375         * output.cc (Output_section::add_relaxed_input_section): Change to
6376         use Const_section_id instead of Input_section_specifier as key type.
6377         (Output_section::add_merge_input_section): Ditto.
6378         (Output_section::build_relaxation_map): Change to use Section_id
6379         instead of Input_section_specifier as key type.
6380         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6381         Ditto.
6382         (Output_section::convert_input_sections_to_relaxed_sections): Change
6383         to use Const_section_id instead of Input_section_specifier as key type.
6384         (Output_section::find_merge_section): Ditto.
6385         (Output_section::find_relaxed_input_section): Ditto.
6386         * output.h (Input_section_specifier): Remove class.
6387         (Output_section::Output_section_data_by_input_section_map): Change
6388         key type to Const_section_id.
6389         (Output_section::Output_relaxed_input_section_by_input_section_map):
6390         Ditto.
6391         (Output_section::Relaxation_map): Change key type to Section_id.
6392
6393 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6394
6395         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6396         (class Arm_v4bx_stub): New class.
6397         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6398         (Stub_factory::make_arm_v4bx_stub): New method.
6399         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6400         (Stub_table::empty): Handle v4bx stubs.
6401         (Stub_table::add_arm_v4bx_stub): New method.
6402         (Stub_table::find_arm_v4bx_stub): New method.
6403         (Arm_relocate_functions::v4bx): New method.
6404         (Target_arm::fix_v4bx): New method.
6405         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6406         (Stub_table::relocate_stubs): Likewise.
6407         (Stub_table::do_write): Likewise.
6408         (Stub_table::update_data_size_and_addralign): Likewise.
6409         (Stub_table::finalize_stubs):  Likewise.
6410         (Target_arm::Scan::local): Likewise.
6411         (Target_arm::Scan::global): Likewise.
6412         (Target_arm::do_finalize_sections): Likewise.
6413         (Target_arm::Relocate::relocate): Likewise.
6414         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6415         Likewise.
6416         (Target_arm::scan_reloc_for_stub): Likewise.
6417         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6418
6419 2010-01-19  Ian Lance Taylor  <iant@google.com>
6420
6421         * output.cc (Output_section_headers::do_sized_write): Write large
6422         segment count to sh_info field.
6423         (Output_file_header::do_sized_write): For large segment count,
6424         write PN_XNUM to e_phnum field.
6425
6426 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6427
6428         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6429         (Arm_relocate_functions::thm_jump8): New function.
6430         (Arm_relocate_functions::thm_jump11): New function.
6431         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6432         R_ARM_THM_JUMP11.
6433         (Target_arm::Scan::global): Likewise.
6434         (Target_arm::Relocate::relocate): Likewise.
6435         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6436         Likewise.
6437
6438 2010-01-14  Doug Kwan  <dougkwan@google.com>
6439
6440         * arm.cc (map, utility): Include headers.
6441         (Target_arm::apply_cortex_a8_workaround): New method.
6442         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6443         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6444         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6445         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6446         the --[no-]fix-cortex-a8 command line options.
6447         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6448         (Target_arm::relocate_stub): Use addend in instruction template.
6449         * options.h (DEFINE_bool): Set the user-set flag.
6450         (General_options): Add --[no-]-fix-cortex options.
6451         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6452         : Update fast look-up map after conversion.
6453
6454 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6455
6456         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6457         in the first pass of do_layout.
6458
6459 2010-01-13  Doug Kwan  <dougkwan@google.com>
6460
6461         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6462         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6463         apparent compiler problem of not folding static constant integral
6464         data members of elfcpp::Elf_sizes<32>.
6465
6466 2010-01-13  Doug Kwan  <dougkwan@google.com>
6467
6468         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6469         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6470         Arm_relobj::scan_section_for_cortex_a8_erratum,
6471         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6472         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6473         sections to scan for relocation stubs into a new method
6474         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6475         relocation and Cortex-A8 stub scanning.
6476         (Target_arm::do_relax): Force stubs to be after stubbed sections
6477         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6478         the beginning of a new relaxation pass.  Update a comment.
6479         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6480
6481 2010-01-12  Ian Lance Taylor  <iant@google.com>
6482
6483         * target-reloc.h (visibility_error): New inline function.
6484         (relocate_section): Call visibility_error.
6485         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6486         (MOSTLYCLEANFILES): Likewise.
6487         (protected_4_pic.o, protected_3.err): New targets.
6488         * testsuite/protected_4.cc: New file.
6489
6490 2010-01-12  Doug Kwan  <dougkwan@google.com>
6491
6492         * arm.cc (Cortex_a8_reloc): New class.
6493         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6494         and cortex_a8_relocs_info_.
6495         (Target_arm::fix_cortex_a8): New method definition.
6496         (Target_arm::Cortex_a8_relocs_info): New type.
6497         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6498         New data member declarations.
6499         (Target_arm::scan_reloc_for_stub): Record information about
6500         relocations for THUMB branches that might be exempted from the
6501         Cortex-A8 workaround.
6502         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6503         at the beginning of a relaxation pass.
6504
6505 2010-01-12  Doug Kwan  <dougkwan@google.com>
6506
6507         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6508         (Arm_relobj::Mapping_symbol_position,
6509          Arm_reloj::Mapping_symbol_position_less,
6510          Arm_relobj::Mapping_symbols_info): New types.
6511         (Target_arm::is_mapping_symbol_name): New method definition.
6512         (Arm_relobj::do_count_local_symbols): Save information about mapping
6513         symbols.
6514
6515 2010-01-11  Doug Kwan  <dougkwan@google.com>
6516
6517         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6518         Arm_relocate_functions::thumb32_branch_upper,
6519         Arm_relocate_functions::thumb32_branch_lower,
6520         Arm_relocate_functions::thumb32_cond_branch_offset,
6521         Arm_relocate_functions::thumb32_cond_branch_upper,
6522         Arm_relocate_functions::thumb32_cond_branch_lower,
6523         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6524         branch offset encoding.
6525         (Arm_relocate_functions::thumb_branch_common): Use new branch
6526         offset encoding methods to avoid code duplication.
6527         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6528         (Stub_addend_reader::operator()): Use new branch encoding method
6529         to avoid code duplication.
6530
6531 2010-01-11  Doug Kwan  <dougkwan@google.com>
6532
6533         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6534         (Target_arm::do_finalize_sections): Define special EXIDX section
6535         symbols only if referenced.
6536         * gc.h (Garbage_collection::add_reference): New method.
6537         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6538         code duplication.
6539
6540 2010-01-11  Ian Lance Taylor  <iant@google.com>
6541
6542         * script.cc (Version_script_info::build_expression_list_lookup):
6543         Change complaing about duplicate wildcard match from error to
6544         warning.
6545
6546         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6547         of 2009-12-30.
6548         (Version_script_info::Version_script_info): Initialize globs_,
6549         default_version_, default_is_global_, and exact_.  Don't
6550         initialize globals_ or locals_.
6551         (Version_script_info::build_lookup_tables): Build local symbols
6552         first.
6553         (Version_script_info::unquote): New function.
6554         (Version_script_info::add_exact_match): New function.
6555         (Version_script_info::build_expression_list_lookup): Remove lookup
6556         parameter.  Add is_global parameter.  Change all callers.  Handle
6557         wildcard pattern specially.  Unquote pattern.  Call
6558         add_exact_match.
6559         (Version_script_info::get_name_to_match): New function.
6560         (Version_script_info::get_symbol_version): New function.
6561         (Version_script_info::get_symbol_version_helper): Remove.
6562         (Version_script_info::check_unmatched_names): Call unquote.
6563         * script.h (class Version_script_info): Change get_symbol_version
6564         to be non-inline and add is_global parameter; change all callers.
6565         Rewrite symbol_is_local.  Update declarations.  Define struct
6566         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6567         Remove globals_ and locals_ members.  Add exact_, globs_,
6568         default_version_, is_global_.
6569         (Version_script_info::Glob): Remove pattern, add expression and
6570         is_global.  Update constructor.  Change all callers.
6571         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6572         default version.
6573         (Versions::symbol_section_contents): If a symbol is undefined, or
6574         defined in a dynamic object, set the version index to
6575         VER_NDX_LOCAL.
6576         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6577         symbol_is_local.
6578         (Symbol_table::add_from_pluginobj): Likewise.
6579         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6580
6581 2010-01-11  Doug Kwan  <dougkwan@google.com>
6582
6583         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6584         (incremental_dump_LDADD): Add linking option for libintl.
6585         * Makefile.in: Regenerate.
6586
6587 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6588
6589         PR gold/11144
6590         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6591         instead of -Ds.
6592         * testsuite/Makefile.in: Regenerated.
6593
6594 2010-01-10  Doug Kwan  <dougkwan@google.com>
6595
6596         * options.h (DEFINE_var): Use parentheses around argument varname__
6597         in macro body to avoid any unintended subsequent substitutions.
6598
6599 2010-01-10  Ian Lance Taylor  <iant@google.com>
6600
6601         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6602         candidates before doing symbol resolution.
6603
6604         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6605         ODR candidates if only one is weak.
6606
6607 2010-01-08  Ian Lance Taylor  <iant@google.com>
6608
6609         * script.cc (Version_script_info::build_expression_list_lookup):
6610         Don't warn about ambiguous version, just record the ambiguity.
6611         (Version_script_info::get_symbol_version_helper): Give error if
6612         version is ambiguous.
6613
6614 2010-01-08  Doug Kwan  <dougkwan@google.com>
6615
6616         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6617           prev_data_size_ and prev_addralign_.  Remove initializer for
6618           deleted data member has_been_changed_.
6619           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6620           to determine if the table is empty.
6621           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6622           Remove.
6623           (Stub_table::add_reloc_stub): Define method in class definition
6624           instead of just declaring it there.
6625           (Stub_table::add_cortex_a8_stub): New method definition.
6626           (Stub_table::update_data_size_and_addralign): Ditto.
6627           (Stub_table::finalize_stubs): Ditto.
6628           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6629           (Stub_table::do_addralign_): Return address alignment in the
6630           (Stub_table::do_reset_address_and_file_offset): Define method in
6631           class definition instead of declaring it there.  Set current data
6632           size to be the data size of the previous pass.
6633           (Stub_table::set_final_data_size): Use current data size as the
6634           final data size.
6635           (Stub_table::relocate_stub): Change parameter type of stub from
6636           Reloc_stub pointer to Stub pointer.
6637           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6638           (Stub_table::Cortex_a8_stub_list): New typedef.
6639           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6640            Stub_table::prev_addralign_): New data member.
6641           (Arm_relobj::Arm_relobj): Initialize data member
6642           section_has_cortex_a8_workaround_.
6643           (Arm_relobj::section_has_cortex_a8_workaround,
6644            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6645            definitions.
6646           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6647           declarations.
6648           (Target_arm::relocate_stub): Change parameter type of stub from
6649           Reloc_stub pointer to Stub pointer.
6650           (Insn_template::size, Insn_template::alignment): Handle
6651           THUMB16_SPECIAL_TYPE.
6652           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6653            Stub_table::update_data_size_and_addralign,
6654            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6655           definitions.
6656           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6657           (Stub_table::do_write): Ditto.
6658           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6659
6660 2010-01-08  Ian Lance Taylor  <iant@google.com>
6661
6662         PR 11108
6663         * symtab.h (class Symbol): Remove fields is_target_special_ and
6664         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6665         (Symbol::is_defined_in_discarded_section): New function.
6666         (Symbol::set_is_defined_in_discarded_section): New function.
6667         (Symbol::has_plt_offset): Rewrite.
6668         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6669         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6670         Don't initialize is_target_special_ or has_plt_offset_.
6671         Initialize is_defined_in_discarded_section_.
6672         (Symbol_table::add_from_relobj): If appropriate, set
6673         is_defined_in_discarded_section.
6674         * resolve.cc (Symbol::override_base_with_special): Don't test
6675         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6676         * target-reloc.h (relocate_section): Do special handling for
6677         symbols defined in discarded sections for global symbols as well
6678         as local symbols.
6679
6680 2010-01-08  Ian Lance Taylor  <iant@google.com>
6681
6682         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6683         the SHT_SYMTAB case.
6684
6685 2010-01-08  Ian Lance Taylor  <iant@google.com>
6686
6687         * object.cc (Sized_relobj::do_layout): Don't get confused if
6688         layout_eh_frame returns NULL.
6689
6690 2010-01-08  Ian Lance Taylor  <iant@google.com>
6691
6692         PR 11084
6693         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6694         dynamic symbol table, use the normal symbol table.
6695         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6696         symbol table.
6697
6698 2010-01-08  Ian Lance Taylor  <iant@google.com>
6699
6700         PR 11072
6701         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6702         sections.
6703
6704 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6705
6706         * version.cc (print_version): Change to "Copyright 2010".
6707
6708 2010-01-08  Ian Lance Taylor  <iant@google.com>
6709
6710         PR 10287
6711         PR 11063
6712         * i386.cc (class Target_i386): Change return type of plt_section
6713         to be non-const.
6714         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6715         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6716         tls_desc_rel_ field.
6717         (Output_data_plt_i386::rel_tls_desc): New function.
6718         (Target_i386::rel_tls_desc_section): New function.
6719         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6720         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6721         R_386_TLS_DESC reloc in rel_tls_desc_section.
6722         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6723         Define struct Tlsdesc_info.
6724         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6725         (Target_x86_64::do_reloc_symbol_index): New function.
6726         (Target_x86_64::add_tlsdesc_info): New function.
6727         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6728         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6729         tlsdesc_rel_ field.
6730         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6731         all callers.
6732         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6733         (Target_x86_64::rela_tlsdesc_section): New function.
6734         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6735         handling.
6736         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6737         (Target_x86_64::do_reloc_addend): New function.
6738         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6739         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6740         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6741         (Output_reloc::type): New function.
6742         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6743         (Output_reloc::is_target_specific): New function.
6744         (Output_reloc::target_arg): New function.
6745         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6746         absolute relocs and target specific relocs.
6747         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6748         add_target_specific.
6749         (class Output_data_reloc) [SHT_RELA]: Likewise.
6750         * output.cc (Output_reloc::Output_reloc): Add four new versions
6751         for absolute relocs and target specific relocs.
6752         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6753         (Output_reloc::get_symbol_index): Likewise.
6754         (Output_reloc::local_section_offset): Check that local_sym_index_
6755         is not TARGET_CODE or 0.
6756         (Output_reloc::symbol_value): Likewise.
6757         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6758         reloc.
6759         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6760         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6761         functions.
6762         * layout.cc (add_target_dynamic_tags): Use output section for
6763         DT_PLTRELSZ and DT_JMPREL.
6764
6765 2010-01-07  Ian Lance Taylor  <iant@google.com>
6766
6767         PR 11061
6768         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6769         function.
6770         (class Output_data_reloc_generic): Define.
6771         (class Output_data_reloc_base): Change base class to
6772         Output_data_reloc_generic.  Change add() method to call
6773         bump_relative_reloc_count for a relative reloc.  Remove
6774         sort_relocs_ field.
6775         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6776         to sort_relocs().
6777         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6778         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6779         appropriate.
6780         * layout.h (class Layout): Update declaration.
6781
6782 2010-01-07  Ian Lance Taylor  <iant@google.com>
6783
6784         * output.h (class Output_data): Add const version of
6785         output_section and do_output_section.
6786         (class Output_section_data): Add const version of
6787         do_output_section.
6788         (class Output_section): Likewise.
6789         * layout.cc (Layout::add_target_dynamic_tags): New function.
6790         * layout.h (class Layout): Update declarations.
6791         * arm.cc (Target_arm::do_finalize_sections): Use
6792         add_target_dynamic_tags.
6793         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6794         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6795         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6796         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6797
6798 2010-01-07  Ian Lance Taylor  <iant@google.com>
6799
6800         PR 11042
6801         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6802         object as needed.
6803
6804 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6805             Ian Lance Taylor  <iant@google.com>
6806
6807         PR 11019
6808         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6809         Xindex::read_symtab_xindex.
6810
6811 2010-01-07  Doug Kwan  <dougkwan@google.com>
6812
6813         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6814         (Insn_template::thumb16_bcond_insn): New method declaration.
6815         (Insn_template): Fix spelling.
6816         (Stub::thumb16_special): New method declaration.
6817         (Stub::do_write): Define virtual method which was previously pure
6818         virtual.
6819         (Stub::do_thumb16_special): New method declaration.
6820         (Stub::do_fixed_endian_write): New template member.
6821         (Reloc_stub::do_write): Remove.
6822         (Reloc_stub::do_fixed_endian_write): Remove.
6823         (Cortex_a8_stub): New class definition.
6824         (Stub_factory::make_cortex_a8_stub): New method definition.
6825         (Stub_factory::Stub_factory): Add missing static storage class
6826         qualifier for elf32_arm_stub_a8_veneer_blx.
6827
6828 2010-01-07  Ian Lance Taylor  <iant@google.com>
6829
6830         PR 10980
6831         * options.h (class General_options): Add --warn-unresolved-symbols
6832         and --error-unresolved-symbols.
6833         * errors.cc (Errors::undefined_symbol): Implement
6834         --warn-unresolved-symbols.
6835
6836         * options.h (class General_options): Add -z text and -z textoff.
6837         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6838
6839 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6840
6841         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6842         (Garbage_collection::cident_sections): New function.
6843         (Garbage_collection::add_cident_section): New function.
6844         (Garbage_collection::cident_sections_): New member.
6845         (gc_process_relocs): Add references to sections whose names are C
6846         identifiers.
6847         * gold.h (cident_section_start_prefix): New constant.
6848         (cident_section_stop_prefix): New constant.
6849         (is_cident): New function.
6850         * layout.cc (Layout::define_section_symbols): Replace string constants
6851         with the newly defined constants.
6852         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6853         C identifiers.
6854         * testsuite/Makefile.am: Add gc_orphan_section_test.
6855         * testsuite/Makefile.in: Regenerate.
6856         * testsuite/gc_orphan_section_test.cc: New file.
6857         * testsuite/gc_orphan_section_test.sh: New file.
6858
6859 2010-01-06  Ian Lance Taylor  <iant@google.com>
6860
6861         PR 10980
6862         * options.h (class General_options): Add --warn-shared-textrel.
6863         * layout.cc (Layout::finish_dynamic_section): Implement
6864         --warn-shared-textrel.
6865
6866         PR 10980
6867         * options.h (class General_options): Add --warn-multiple-gp.
6868
6869 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6870
6871         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6872         $(THREADSLIB) and $(LIBDL).
6873         * Makefile.in: Rebuild.
6874
6875 2010-01-06  Ian Lance Taylor  <iant@google.com>
6876
6877         PR 10980
6878         * options.cc (General_options::parse_section_start): New function.
6879         (General_options::section_start): New function.
6880         (General_options::General_options): Initialize all members.
6881         * options.h: Include <map>
6882         (class General_options): Add --section-start.  Add section_starts_
6883         member.
6884         * layout.cc (Layout::attach_allocated_section_to_segment): If
6885         --section-start was used, set the address of the segment.  Remove
6886         local sort_sections.
6887         (Layout::relaxation_loop_body): If the address of the load segment
6888         has been set by --section-start, don't use it.
6889         * output.h (Output_segment::update_flags_for_output_section): New
6890         function.
6891         * output.cc (Output_segment::add_output_section): Call
6892         update_flags_for_output_section.
6893
6894 2010-01-05  Ian Lance Taylor  <iant@google.com>
6895
6896         PR 10980
6897         * options.h (class General_options): Add --undefined-version.
6898         * script.cc (struct Version_expression): Add was_matched_by_symbol
6899         field.
6900         (Version_script_info::matched_symbol): New function.
6901         (Version_script_info::get_symbol_version_helper): Call
6902         matched_symbol.
6903         (Version_script_info::check_unmatched_names): New function.
6904         * script.h (class Version_script_info): Update declarations.
6905         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6906
6907         * options.h (class General_options): Use DEFINE_bool_alias for
6908         allow_multiple_definition.
6909         * resolve.cc (Symbol_table::should_override): Don't test
6910         allow_multiple_definition.
6911
6912         PR 10980
6913         * options.h (class General_options): Add --cref.
6914         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6915         until after printing cref table.
6916         * cref.cc: Include "symtab.h".
6917         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6918         (Cref_table_compare::operator()): New function.
6919         (Cref_inputs::gather_cref): New function.
6920         (filecol): New static const.
6921         (Cref_inputs::print_cref): New function.
6922         (Cref::print_cref): New function.
6923         * cref.h: Include <cstdio>.
6924         (class Cref): Update declarations.
6925         * mapfile.h (Mapfile::file): New function.
6926         * object.h (class Object): Define Symbols.  Declare virtual
6927         do_get_global_symbols.
6928         (Object::get_global_symbols): New function.
6929         * object.cc (Input_objects::add_object): Pass object to cref_ if
6930         --cref.
6931         (Input_objects::archive_start): Likewise.
6932         (Input_objects::archive_stop): Likewise.
6933         (Input_objects::print_cref): New function.
6934         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6935         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6936         --cref.
6937         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6938         function.
6939         * plugin.h (class Sized_pluginobj): Update declarations.
6940
6941 2010-01-05  Ian Lance Taylor  <iant@google.com>
6942
6943         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6944         to is_default_version.  Rename insdef to insdefault.
6945         (Symbol_table::add_from_relobj): Rename def to is_default_version
6946         and local to is_forced_local.
6947         (Symbol_table::add_from_pluginobj): Likewise.
6948         (Symbol_table::add_from_dynobj): Likewise.
6949         (Symbol_table::define_special_symbol): Rename insdef to
6950         insdefault.
6951
6952 2010-01-04  Ian Lance Taylor  <iant@google.com>
6953
6954         PR 10980
6955         * options.h (class General_options): Add
6956         --allow-multiple-definition and -z muldefs.
6957         * resolve.cc (Symbol_table::should_override): Don't warn about a
6958         multiple symbol definition if --allow-multiple-definition or -z
6959         muldefs.
6960
6961         PR 10980
6962         * options.h (class General_options): Add --add-needed and
6963         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6964         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6965         error if --copy-dt-needed-entries aka --add-needed is used and
6966         would cause a change in behaviour.
6967
6968         PR 10980
6969         * options.h (class General_options): Add -G as a short version of
6970         --shared.  Add no-op options -assert, -g, and -i.
6971
6972 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6973
6974         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6975         check for .text or .gnu.linkonce.t sections.
6976         * icf.cc (Icf::find_identical_sections): Ditto.
6977         Change the detection for mangled function name within the section
6978         name.
6979         * icf.h (is_section_foldable_candidate): New function.
6980
6981 2009-12-30  Ian Lance Taylor  <iant@google.com>
6982
6983         PR 10980
6984         * options.h (class General_options): Permit two dashes with
6985         --retain-symbols-file.
6986
6987 2009-12-30  Ian Lance Taylor  <iant@google.com>
6988
6989         PR 10979
6990         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6991         don't put the file header and segment headers in the text
6992         segment.
6993
6994         PR 10979
6995         * common.cc (Sort_commons::operator()): Stabilize sort when both
6996         entries are NULL.
6997         (Symbol_table::do_allocate_commons_list): When allocating common
6998         symbols, skip a symbol which is no longer common.
6999         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7000         an object before checking its type.
7001         * testsuite/common_test_2.c: New file.
7002         * testsuite/common_test_3.c: New file.
7003         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7004         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7005         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7006         (common_test_2_pic.o, common_test_2.so): New targets.
7007         (common_test_3_pic.o, common_test_3.so): New targets.
7008         * testsuite/Makefile.in: Rebuild.
7009
7010         PR 10979
7011         * script.cc (read_input_script): If we see a new SECTIONS clause,
7012         and we have added an input section, give an error.
7013         * layout.h (class Layout): Add have_added_input_section function.
7014         Add have_added_input_section_ field.
7015         * layout.cc (Layout::Layout): Initialize
7016         have_added_input_section_.
7017         (Layout::layout): Set have_added_input_section_.
7018         (Layout::layout_eh_frame): Likewise.
7019
7020 2009-12-30  Ian Lance Taylor  <iant@google.com>
7021
7022         PR 10931
7023         * options.h (class General_options): Add --sort-common option.
7024         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7025         * common.cc (Sort_common): Add sort_order parameter to
7026         constructor.  Add sort_order_ field.
7027         (Sort_commons::operator): Check sort_order_.
7028         (Symbol_table::allocate_commons): Determine the sort order.
7029         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7030         Change all callers.
7031         (Symbol_table::do_allocate_commons_list): Likewise.
7032
7033 2009-12-30  Ian Lance Taylor  <iant@google.com>
7034
7035         PR 10916
7036         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7037         symbols from this object, don't change the visibility of an
7038         undefined symbol.
7039         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7040
7041 2009-12-30  Ian Lance Taylor  <iant@google.com>
7042
7043         PR 10861
7044         * script.h (class Version_script_info): Define Language enum.
7045         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7046         new fields globals_, locals_, and is_finalized_.
7047         * script.cc: Various formatting fixes.
7048         (class Parser_closure): Change language_stack_ from a vector of
7049         std::string to one of Version_script_info::Language.  Adjust all
7050         uses accordingly.
7051         (class Lazy_demangler): Remove.
7052         (struct Version_expression): Change language from std::string to
7053         Version_script_info::Language.
7054         (Version_script_info::Version_script_info): New function.
7055         (Version_script_info::~Version_script_info): Don't call clear.
7056         (Version_script_info::finalize): New function.
7057         (Version_script_info::build_lookup_tables): New function.
7058         (Version_script_info::build_expression_list_lookup): New
7059         function.
7060         (Version_script_info::get_symbol_version_helper): Rewrite to use
7061         lookup tables.
7062         (Version_script_info::print_expression_list): Adjust to use
7063         Version_script_info::Language.
7064         (script_push_lex_into_version_mode): Check that the version script
7065         has not been finalized.
7066         (version_script_push_lang): Change language string to
7067         Version_script_info::Language.
7068         * options.cc (Command_line::version_script): New function.
7069         * options.h (class General_options): Add finalize_dynamic_list
7070         function.  Change version_script from declaration to definition.
7071         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7072         * testsuite/version_script.map: Remove duplicate def of foo.
7073         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7074         version_script.map.
7075         * testsuite/Makefile.in: Rebuild.
7076
7077 2009-12-30  Ian Lance Taylor  <iant@google.com>
7078
7079         PR 10843
7080         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7081         if the input symbol index is 0, make the output symbol index 0.
7082
7083 2009-12-30  Ian Lance Taylor  <iant@google.com>
7084
7085         PR 10670
7086         * options.h (class General_options): Add -x/--discard-all.
7087         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7088         --discard-all.  If the local symbol needs a dynamic entry, check
7089         that before handling --discard-locals.
7090
7091 2009-12-30  Ian Lance Taylor  <iant@google.com>
7092
7093         PR 10450
7094         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7095         flags to PF_R.
7096         (Output_segment::add_output_section): Don't change the flags if
7097         the type is PT_TLS.
7098
7099         PR 10450
7100         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7101         GNU hash table if they need a dynamic value.  Otherwise, don't add
7102         them if they are defined in a dynamic object or are forced local.
7103
7104 2009-12-29  Ian Lance Taylor  <iant@google.com>
7105
7106         PR 10450
7107         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7108         .gnu.hash table for a 32-bit target.
7109
7110         PR 10450
7111         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7112         regular and a dynamic object only needs a dynamic symbol table
7113         entry if it is externally visible.
7114
7115         PR 10450
7116         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7117         constructor.  Add global_offset_table_ field.
7118         (Target_i386::got_section): Set global_offset_table_.
7119         (Target_i386::do_finalize_sections): Set global_offset_table_
7120         size.
7121         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7122         in constructor.  Add global_offset_table_ field.
7123         (Target_x86_64::got_section): Set global_offset_table_.
7124         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7125         size.
7126
7127         * layout.cc (Layout::Layout): Initialize increase_relro_.
7128         (Layout::get_output_section): Add is_relro, is_last_relro, and
7129         is_first_non_relro parameters.  Change all callers.
7130         (Layout::choose_output_section): Likewise.
7131         (Layout::add_output_section_data): Likewise.
7132         (Layout::make_output_section): Likewise.
7133         (Layout::set_segment_offsets): Clear increase_relro when using a
7134         linker script.
7135         * layout.h (class Layout): Add increase_relro method.  Add
7136         increase_relro_ field.  Update declarations.
7137         * output.cc (Output_section::Output_section): Initialize
7138         is_last_relro_ and is_first_non_relro_.
7139         (Output_segment::add_output_section): Group relro sections is
7140         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7141         (Output_segment::maximum_alignment): Remove relro handling.
7142         (Output_segment::set_section_addresses): Add increase_relro
7143         parameter.  Change all callers.  Add initial alignment to align
7144         relro sections on separate page.  Remove old relro handling.
7145         (Output_segment::set_section_list_addresses): Remove in_relro
7146         parameter.  Change all callers.
7147         (Output_segment::set_offset): Add increase parameter.  Change all
7148         callers.  Remove old relro handling.
7149         * output.h (class Output_section): Add new methods: is_last_relro,
7150         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7151         Add is_last_relro_ and is_first_non_relro_ fields.
7152         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7153         Create separate .got.plt section.  Call increase_relro.
7154         * x86_64.cc (Target_x86_64::got_section): Likewise.
7155         * testsuite/relro_script_test.t: Add .got.plt.
7156
7157         PR 10450
7158         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7159         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7160         (Layout::finalize): Call set_dynamic_symbol_size.
7161         (Layout::set_dynamic_symbol_size): New function.
7162         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7163         set_dynamic_symbol_size.
7164
7165         PR 10450
7166         * output.h (class Output_section): Add is_entsize_zero_ field.
7167         * output.cc (Output_section::Output_section): Initialize
7168         is_entsize_zero_.
7169         (Output_section::set_entsize): If two different entsizes are
7170         requested, force it to zero.
7171         (Output_section::add_input_section): Set flags for .debug_str
7172         before updating section flags.  Set entsize.
7173         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7174         and SHF_STRING if all input sections have those flags.
7175
7176 2009-12-29   Rafael Espindola  <espindola@google.com>
7177
7178         * main.cc (main): Fix the sys time reporting.
7179         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7180         reporting.
7181
7182 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7183
7184         * options.cc (General_options::parse_version): Allow -v to exit
7185         without an error if there is nothing to link.
7186
7187 2009-12-29  Ian Lance Taylor  <iant@google.com>
7188
7189         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7190         using a version of gcc before 4.1.
7191         * configure: Rebuild.
7192
7193 2009-12-28  Chris Demetriou  <cgd@google.com>
7194
7195         * attributes.cc (Output_attributes_section_data::do_write): Use
7196         std::vector::front rather than std::vector::data.
7197
7198 2009-12-28  Ian Lance Taylor  <iant@google.com>
7199
7200         * symtab.h (class Symbol_table): Add enum Defined.
7201         * resolve.cc (Symbol_table::should_override): Add defined
7202         parameter.  Change all callers.  Test whether object is NULL
7203         before calling a method on it.
7204         (Symbol_table::report_resolve_problem): Add defined parameter.
7205         Change all callers.
7206         (Symbol_table::should_override_with_special): Likewise.
7207         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7208         parameter.  Change all callers.
7209         (Symbol_table::do_define_in_output_data): Likewise.
7210         (Symbol_table::define_in_output_segment): Likewise.
7211         (Symbol_table::do_define_in_output_segment): Likewise.
7212         (Symbol_table::define_as_constant): Likewise.
7213         (Symbol_table::do_define_as_constant): Likewise.
7214         * script.h (class Symbol_assignment): Add is_defsym parameter to
7215         constructor; change all callers.
7216         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7217         parameter.  Change all callers.  Add is_defsym_ field.
7218         (class Parser_closure): Add parsing_defsym parameter to
7219         constructor; change all callers.  Add parsing_defsym accessor
7220         function.  Add parsing_defsym_ field.
7221
7222 2009-12-28  Ian Lance Taylor  <iant@google.com>
7223
7224         * gold.cc (queue_middle_tasks): Fix formatting.
7225         * object.cc (Relobj::is_section_name_included): Likewise.
7226
7227 2009-12-23  Ian Lance Taylor  <iant@google.com>
7228
7229         * i386.cc (Target_i386::do_calls_non_split): Recognize
7230         -fsplit-stack prologue for a function with a static chain.
7231         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7232         -fsplit-stack prologue when using %r11.
7233
7234 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7235
7236         * options.cc (General_options::parse_version): Make -v continue and do
7237         the link like GNU ld does.
7238
7239 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7240
7241         * Makefile.am (CCFILES): Add timer.cc.
7242         (HFILES): Add timer.h.
7243         * configure.ac: Check for sysconf and times.
7244         * main.cc: include timer.h.
7245         (main): Use Timer instead of get_run_time.
7246         * timer.cc: New.
7247         * timer.h: New.
7248         * workqueue.cc: include timer.h.
7249         (Workqueue::find_and_run_task):
7250         Report user, sys and wall time.
7251         * Makefile.in: Regenerate.
7252         * config.in: Regenerate.
7253         * configure: Regenerate.
7254
7255 2009-12-16  Doug Kwan  <dougkwan@google.com>
7256
7257         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7258         sections.
7259         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7260         relaxed input sections.
7261         * output.cc (Output_section::find_relaxed_input_section): Change
7262         return type to Output_relaxed_input_section pointer.  Adjust code
7263         for new type of relaxed_input_section_map_.
7264         * output.h (Output_section::find_relaxed_input_section): Change
7265         return type to Output_relaxed_input_section pointer.
7266         (Output_section::Output_relaxed_input_section_by_input_section_map):
7267         New type.
7268         (Output_section::relaxed_input_section_map_): Change type to
7269         Output_section::Output_relaxed_input_section_by_input_section_map.
7270         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7271         input section.
7272
7273 2009-12-15  Ian Lance Taylor  <iant@google.com>
7274
7275         * layout.cc (Layout::create_shstrtab): Only write out after input
7276         sections if we are compressing debug sections.
7277
7278 2009-12-15  Ian Lance Taylor  <iant@google.com>
7279
7280         * archive.cc (Archive::add_symbols): Only look up a symbol without
7281         a version if there is, in fact, a version.
7282
7283 2009-12-14  Ian Lance Taylor  <iant@google.com>
7284
7285         Revert -Wshadow changes, all changes from:
7286         2009-12-11  Doug Kwan  <dougkwan@google.com>
7287         2009-12-11  Nick Clifton  <nickc@redhat.com>
7288         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7289
7290 2009-12-11  Doug Kwan  <dougkwan@google.com>
7291
7292         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7293         due to -Wshadow.
7294         * attributes.cc (Object_attribute::size): Ditto.
7295         (Attributes_section_data::size): Ditto.
7296         (Attributes_section_data::Attributes_section_data): Ditto.
7297         (Output_attributes_section_data::do_write): Ditto.
7298         * attributes.h (Object_attribute::set_type): Ditto.
7299         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7300
7301 2009-12-11  Nick Clifton  <nickc@redhat.com>
7302
7303         * archive.cc: Fix shadowed variable warnings.
7304         * arm.cc: Likewise.
7305         * compressed_output.cc: Likewise.
7306         * compressed_output.h: Likewise.
7307         * configure: Likewise.
7308         * dwarf_reader.cc: Likewise.
7309         * dynobj.cc: Likewise.
7310         * dynobj.h: Likewise.
7311         * ehframe.cc: Likewise.
7312         * ehframe.h: Likewise.
7313         * errors.cc: Likewise.
7314         * expression.cc: Likewise.
7315         * fileread.cc: Likewise.
7316         * fileread.h: Likewise.
7317         * freebsd.h: Likewise.
7318         * i386.cc: Likewise.
7319         * icf.cc: Likewise.
7320         * incremental.h: Likewise.
7321         * layout.cc: Likewise.
7322         * layout.h: Likewise.
7323         * mapfile.cc: Likewise.
7324         * merge.cc: Likewise.
7325         * merge.h: Likewise.
7326         * object.cc: Likewise.
7327         * object.h: Likewise.
7328         * options.h: Likewise.
7329         * output.cc: Likewise.
7330         * output.h: Likewise.
7331         * parameters.cc: Likewise.
7332         * plugin.cc: Likewise.
7333         * powerpc.cc: Likewise.
7334         * reduced_debug_output.cc: Likewise.
7335         * reduced_debug_output.h: Likewise.
7336         * reloc.cc: Likewise.
7337         * reloc.h: Likewise.
7338         * resolve.cc: Likewise.
7339         * script-sections.cc: Likewise.
7340         * script.cc: Likewise.
7341         * script.h: Likewise.
7342         * sparc.cc: Likewise.
7343         * symtab.cc: Likewise.
7344         * symtab.h: Likewise.
7345         * target-select.cc: Likewise.
7346         * target-select.h: Likewise.
7347         * token.h: Likewise.
7348         * workqueue.cc: Likewise.
7349         * workqueue.h: Likewise.
7350         * x86_64.cc: Likewise.
7351
7352 2009-12-10  Doug Kwan  <dougkwan@google.com>
7353
7354         * arm.cc (attributes.h): New include.
7355         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7356         (Arm_relobj::~Arm_relobj): Delete object pointed by
7357         attributes_section_data_.
7358         (Arm_relobj::attributes_section_data): New method definition.
7359         (Arm_relobj::attributes_section_data_): New data member declaration.
7360         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7361         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7362         attributes_section_data_.
7363         (Arm_dynobj::attributes_section_data): New method definition.
7364         (Arm_dynobj::attributes_section_data_): New data member declaration.
7365         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7366         initialization value of may_use_blx_ to false.
7367         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7368         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7369         object attributes to compute results instead of hard-coding.
7370         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7371         Target_arm::get_secondary_compatible_arch,
7372         Target_arm::set_secondary_compatible_arch
7373         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7374         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7375         New method declarations.
7376         (Target_arm::get_aeabi_object_attribute): New method definition.
7377         (Target_arm::attributes_section_data_): New data member declaration.
7378         (read_arm_attributes_section): New template definition.
7379         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7380         (Arm_dynobj::do_read_symbols): Ditto.
7381         (Target_arm::do_finalize_sections): Merge attributes sections from
7382         input.  Check for BLX use after attributes section merging.
7383         Fix __exidx_start and __exidx_end visibility.  Create an
7384         .ARM.attributes section if necessary.
7385         (Target_arm::get_secondary_compatible_arch,
7386         Target_arm::set_secondary_compatible_arch,
7387         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7388         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7389         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7390         New method definitions.
7391
7392 2009-12-09  Ian Lance Taylor  <iant@google.com>
7393
7394         * plugin.cc (Plugin::load): Don't cast from void* to a function
7395         pointer.
7396
7397 2009-12-09  Ian Lance Taylor  <iant@google.com>
7398
7399         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7400         information fields.
7401
7402 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7403
7404         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7405         Replace two_file_shared_1.so with two_file_shared_2.so.
7406         * testsuite/Makefile.in: Regenerated.
7407
7408 2009-12-08  Doug Kwan  <dougkwan@google.com>
7409
7410         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7411         (HFILES): Add attributes.h and int_encoding.h.
7412         * Makefile.in: Regenerate.
7413         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7414         function definitions to int_encoding.cc
7415         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7416         prototypes to int_encoding.h
7417         * reduced_debug_output.cc (int_encoding.h): New include.
7418         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7419         function definitions to int_encoding.cc
7420         (insert_into_vector, read_from_pointer): Move template definitions to
7421         int_encoding.h
7422         * attributes.cc: New file.
7423         * attributes.h: New file.
7424         * int_encoding.cc: New file.
7425         * int_encoding.h: New file.
7426
7427 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7428
7429         PR gold/11055
7430         * incremental-dump.cc (dump_incremental_inputs): New.
7431         (main): Use dump_incremental_inputs.
7432
7433 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7434
7435         PR gold/10893
7436         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7437         checking elfcpp::STT_FUNC.
7438         (Target_i386::Relocate::relocate): Likewise.
7439         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7440
7441         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7442         symbols from shared libraries into normal FUNC symbols.
7443
7444         * symtab.h (Symbol): Add is_func and use it.
7445
7446 2009-12-05  Doug Kwan  <dougkwan@google.com>
7447
7448         * arm.cc (Target_arm::arm_info): Initialize new fields
7449         attributes_section and attributes_vendor.
7450         * i386.cc (Target_i386::i386_info): Same.
7451         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7452         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7453         fields attributes_section and attributes_vendor.
7454         * sparc.cc (Target_sparc::sparc_info): Same.
7455         * target.h (Target::attributes_section, Target::attributes_vendor,
7456         Target::is_attributes_section, Target::attribute_arg_type,
7457         Target::attributes_order): New method definitions.
7458         (Target::Target_info::attributes_section,
7459         Target::Target_info::attributes_vendor): New fields.
7460         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7461         virtual method definitions.
7462         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7463         attributes_section and attributes_vendor.
7464         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7465
7466 2009-12-05  Doug Kwan  <dougkwan@google.com>
7467
7468         * arm.cc: Update comments about interworking and stub generation.
7469         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7470         considered as non-PIC.
7471         (Arm_relocate_functions::base_abs): Fix formatting.
7472         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7473         of function to use GOT entry address instead of offset.
7474         (Target_arm::Scan::global): Issue an error if a symbol would need a
7475         PLT does not get one because it is untyped.  Remove code to create
7476         dynamic symbols for relative branches.
7477         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7478         takes unsigned integer instead of boolean.
7479
7480 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7481
7482         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7483         (two_file_test_LDADD): Likewise.
7484         (common_test_1_LDADD): Likewise.
7485         (exception_test_LDADD) Likewise.
7486         (weak_test_LDADD): Likewise.
7487         (many_sections_test_LDADD): Likewise.
7488         (initpri1_LDADD): Likewise.
7489         (script_test_1_LDADD): Likewise.
7490         (script_test_2_LDADD): Likewise.
7491         (justsyms_LDADD): Likewise.
7492         (binary_test_LDADD): Likewise.
7493         (large_LDADD): Likewise.
7494         * testsuite/Makefile.in: Regenerated.
7495
7496 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7497
7498         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7499         (Symbol_table::override_with_special): Likewise.
7500         (Symbol_table::add_from_object): Likewise.
7501
7502 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7503
7504         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7505         Don't set the data_offset twice.
7506
7507 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7508
7509         * testsuite/Makefile.in: Regenerate.
7510
7511 2009-12-03  Doug Kwan  <dougkwan@google.com>
7512
7513         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7514         (Target_arm::do_finalize_sections): Add parameter for symbol table
7515         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7516         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7517         parameter for symbol table pointer.
7518         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7519         an additional parameter for a pointer to symbol table.
7520         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7521         parameter for a symbol table pointer.
7522         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7523         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7524         Ditto.
7525         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7526         parameter for a symbol table pointer.
7527
7528 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7529
7530         * incremental.cc (Incremental_inputs_header)
7531         (Incremental_inputs_header_write, Incremental_inputs_entry)
7532         (Incremental_inputs_entry_write): Move ...
7533         * incremental.h (Incremental_inputs_header)
7534         (Incremental_inputs_header_write, Incremental_inputs_entry)
7535         (Incremental_inputs_entry_write): here.
7536
7537 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7538
7539         * incremental.cc (make_sized_incremental_binary): Set the target.
7540         Error if it is incompatible.
7541         * output.h (Output_file): Add filename method.
7542
7543 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7544
7545         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7546         from the get_* methods.
7547
7548 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7549
7550         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7551         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7552         Write 0 for the data_offset of scripts.
7553
7554 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7555
7556         * testsuite/Makefile.am: Add the incremental_test.sh test.
7557         * testsuite/incremental_test.sh: New.
7558         * testsuite/incremental_test_1.c: New.
7559         * testsuite/incremental_test_2.c: New.
7560
7561 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7562
7563        * incremental-dump.cc (main): Fix typos.
7564
7565 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7566
7567         PR gold/11025
7568         * incremental-dump.cc (main): Use llu to print 64 bit values.
7569
7570 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7571             H.J. Lu  <hongjiu.lu@intel.com>
7572
7573         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7574         $(LIBDL).
7575         (incremental_dump_LDADD): Likewise.
7576         * Makefile.in: Regenerated.
7577
7578 2009-11-25  Doug Kwan  <dougkwan@google.com>
7579
7580         Revert:
7581
7582         2009-11-25  Doug Kwan  <dougkwan@google.com>
7583
7584                 * arm.cc (Target_arm::Target_arm): Move method definition
7585                 outside of class definition.  Add code to handle
7586                 --target1-rel, --target1-abs and --target2= options.
7587                 (Target_arm::get_reloc_reloc_type): Change method to be
7588                 non-static and const.
7589                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7590                 New data member declaration.
7591                 (Target_arm::Scan::local, Target_arm::Scan::global,
7592                 Target_arm::Relocate::relocate,
7593                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7594                 Adjust call to Target_arm::get_real_reloc_type.
7595                 (Target_arm::get_real_reloc_type): Use command line options
7596                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7597                 * options.h (--target1-rel, --target1-abs, --target2): New
7598                 ARM-only options.
7599
7600 2009-11-25  Doug Kwan  <dougkwan@google.com>
7601
7602         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7603         class definition.  Add code to handle --target1-rel, --target1-abs
7604         and --target2= options.
7605         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7606         and const.
7607         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7608         member declaration.
7609         (Target_arm::Scan::local, Target_arm::Scan::global,
7610         Target_arm::Relocate::relocate,
7611         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7612         call to Target_arm::get_real_reloc_type.
7613         (Target_arm::get_real_reloc_type): Use command line options to
7614         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7615         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7616         options.
7617
7618 2009-11-25  Doug Kwan  <dougkwan@google.com>
7619
7620         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7621         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7622         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7623         formatting.
7624         (Arm_relocate_functions::thm_call): Replace body with a call to
7625         Arm_relocate_functions::thumb_branch_common.
7626         (Arm_relocate_functions::thm_jump24,
7627         Arm_relocate_functions::thm_xpc22): New method definitions.
7628         (Arm_relocate_functions::thumb_branch_common): New method definition.
7629         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7630         operator.
7631         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7632         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7633
7634 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7635
7636         * Makefile.am: Build incremental-dump
7637         * Makefile.in: Regenerate.
7638         * incremental-dump.cc: New.
7639         * incremental.cc (Incremental_inputs_header_data,
7640         Incremental_inputs_entry_data): Move to incremental.h
7641         * incremental.h: (Incremental_inputs_header_data,
7642         Incremental_inputs_entry_data): Move from incremental.cc
7643
7644 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7645
7646         * incremental.cc (Incremental_inputs_header,
7647         Incremental_inputs_header_write, Incremental_inputs_entry,
7648         Incremental_inputs_entry_write): Add a typedef with the data type.
7649
7650 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7651
7652         * incremental.cc (Incremental_inputs_header,
7653         Incremental_inputs_header_write, Incremental_inputs_entry,
7654         Incremental_inputs_entry_write): Update comment about which
7655         type has the filed descriptions.
7656
7657 2009-11-15  Doug Kwan  <dougkwan@google.com>
7658
7659         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7660         (Arm_relocate_functions::arm_branch_common): Change method defintion
7661         in class definition to a method declaration and update list of formal
7662         parameters.
7663         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7664         Arm_relocation_functions::jump24): Adjust call to
7665         Arm_relocate_functions::arm_branch_common.  Update list of formal
7666         parameters.
7667         (Arm_relocate_functions::xpc25): New method definition.
7668         (Arm_relocate_functions::arm_branch_common): Move method defintion
7669         out from class definition.  Use stubs for mode-switching and extending
7670         branch ranges.
7671         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7672         specially.  Change code to enable use of stubs in ARM branches.
7673
7674 2009-11-10  Doug Kwan  <dougkwan@google.com>
7675
7676         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7677         in method declaration.
7678         (Target_arm::relocate_stub): New method declaration.
7679         (Target_arm::default_target): Change to return a pointer instead of
7680         a const reference.
7681         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7682         Target_arm::default_target.
7683         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7684         method definition.
7685         (Target_arm::relocate_section): Adjust view.
7686         (Target_arm::relocate_stub): New method definition.
7687
7688 2009-11-10  Doug Kwan  <dougkwan@google.com>
7689
7690         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7691         a format warning.
7692         * incremental.cc (open_incremental_binary): Initialized local
7693         variables to avoid warnings.
7694         * object.cc (make_elf_object): Ditto.
7695         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7696         a format warning.
7697
7698 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7699
7700         PR gold/10930
7701         * testsuite/plugin_test.c: Include "config.h".
7702
7703 2009-11-09  Doug Kwan  <dougkwan@google.com>
7704
7705         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7706         (arm_symbol_value): Remove.
7707         (Arm_relocate_functions::arm_branch_common,
7708         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7709         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7710         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7711         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7712         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7713         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7714         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7715         Arm_relocate_functions::thm_mobw_abs_nc,
7716         Arm_relocate_functions::thm_mov_abs,
7717         Arm_relocate_functions::movw_prel_nc,
7718         Arm_relocate_functions::thm_movt_abs,
7719         Arm_relocate_functions::movt_prel,
7720         Arm_relocate_functions::thm_movw_prel_nc,
7721         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7722         (Target_arm::Relocate::relocate): Only decompose address into two
7723         parts if relocation type uses the thumb-bit and pass the actual
7724         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7725         calls to methods in Arm_relocate_functions for this change.
7726
7727 2009-11-08  Ian Lance Taylor  <iant@google.com>
7728
7729         PR 10925
7730         * reloc.cc: Instantiate
7731         Sized_relobj::initialize_input_to_output_maps and
7732         Sized_relobj:free_input_to_output_maps.
7733
7734 2009-11-06  Ian Lance Taylor  <iant@google.com>
7735
7736         PR 10876
7737         * defstd.cc (in_segment): Set only_if_ref true for "end".
7738
7739 2009-11-06  Doug Kwan  <dougkwan@google.com>
7740
7741         * arm.cc (class Reloc_stub): Correct a comment.
7742         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7743         (Target_arm::scan_section_for_stubs): New method declaration.
7744         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7745         Change methods from private to protected.
7746         (Target_arm::do_may_relax): New method definition.
7747         (Target_arm::do_relax, Target_arm::group_sections,
7748         Target_arm::scan_reloc_for_stub,
7749         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7750         (Target_arm::arm_input_section_map_): New data member declaration.
7751         (Target_arm::scan_reloc_for_stub,
7752         Target_arm::scan_reloc_section_for_stubs,
7753         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7754         Target_arm::do_relax): New method definitions.
7755
7756 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7757
7758         * configure.ac: Check for (struct stat)::st_mtim
7759         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7760         * config.in: Regenerate.
7761         * configure: Regenerate.
7762
7763 2009-11-05  Ian Lance Taylor  <iant@google.com>
7764
7765         PR 10910
7766         * output.cc (Output_segment::add_output_section): Add missing
7767         return statement.
7768
7769 2009-11-04  Ian Lance Taylor  <iant@google.com>
7770
7771         PR 10880
7772         * object.h (class Object): Add is_needed and set_is_needed
7773         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7774         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7775         defined in a dynamic object and referenced by a regular object,
7776         set is_needed for the dynamic object.
7777         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7778         if the file is marked with as_needed and it is not needed.
7779
7780 2009-11-04  Ian Lance Taylor  <iant@google.com>
7781
7782         PR 10887
7783         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7784         tags if data is discarded by linker script.
7785         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7786         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7787         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7788         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7789
7790 2009-11-04  Ian Lance Taylor  <iant@google.com>
7791
7792         * layout.cc (Layout::get_output_section): Add is_interp and
7793         is_dynamic_linker_section parameters.  Change all callers.
7794         (Layout::choose_output_section): Likewise.
7795         (Layout::make_output_section): Likewise.
7796         (Layout::add_output_section_data): Add is_dynamic_linker_section
7797         parameter.  Change all callers.
7798         * layout.h (class Layout): Update declarations.
7799         * output.h (class Output_section): Add is_interp, set_is_interp,
7800         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7801         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7802         generate_code_fills_at_write_ to a bitfield.
7803         * output.cc (Output_section::Output_sections): Initialize new
7804         fields.
7805         (Output_segment::add_output_section): Add do_sort parameter.
7806         Change all callers.
7807
7808 2009-11-03  Ian Lance Taylor  <iant@google.com>
7809
7810         PR 10860
7811         * options.h (class General_options): Add --warn-common.
7812         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7813         merging two common symbols.
7814         (Symbol_table::should_override): Handle --warn-common when merging
7815         a common symbol with a defined symbol.  Use report_resolve_problem
7816         for multiple definitions.
7817         (Symbol_table::report_resolve_problem): New function.
7818         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7819
7820 2009-11-03  Doug Kwan  <dougkwan@google.com>
7821
7822         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7823         stub_factory_.
7824         (Target_arm::stub_factory): New method definition.
7825         (Target_arm::new_arm_input_section,
7826         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7827         Target_arm::reloc_uses_thumb_bit): New method declarations.
7828         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7829         New type definitions.
7830         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7831         member declarations.
7832         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7833         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7834         New method definitions.
7835
7836 2009-11-03  Ian Lance Taylor  <iant@google.com>
7837
7838         * options.h (class General_options): Add --warn_constructors.
7839
7840 2009-11-03  Ian Lance Taylor  <iant@google.com>
7841
7842         PR 10893
7843         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7844         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7845
7846 2009-11-03  Ian Lance Taylor  <iant@google.com>
7847
7848         PR 10895
7849         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7850         --msgid-bugs-address.
7851         (install-pdf): New target.
7852         (install-data_yes): Look up one directory to find mkinstalldirs.
7853
7854 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7855
7856         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7857         tree.
7858
7859 2009-10-30  Doug Kwan  <dougkwan@google.com>
7860
7861         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7862
7863 2009-10-30  Doug Kwan  <dougkwan@google.com>
7864
7865         * arm.cc (Stub_addend_reader): New struct template definition
7866         and partial specializations.
7867         (Stub_addend_reader::operator()): New method definition for a
7868         partially specialized template.
7869
7870 2009-10-30  Doug Kwan  <dougkwan@google.com>
7871
7872         * arm.cc (Arm_relobj::processor_specific_flags): New method
7873         definition.
7874         (Arm_relobj::do_read_symbols): New method declaration.
7875         (Arm_relobj::processor_specific_flags_): New data member declaration.
7876         (Arm_dynobj): New class definition.
7877         (Target_arm::do_finalize_sections): Add input_objects parameter.
7878         (Target_arm::do_adjust_elf_header): New method declaration.
7879         (Target_arm::are_eabi_versions_compatible,
7880         (Target_arm::merge_processor_specific_flags): New method declaration.
7881         (Target_arm::do_make_elf_object): New overloaded method definitions
7882         and declaration.
7883         (Arm_relobj::do_read_symbols): New method definition.
7884         (Arm_dynobj::do_read_symbols): Ditto.
7885         (Target_arm::do_finalize_sections): Add input_objects parameters.
7886         Merge processor-specific flags from all input objects.
7887         (Target_arm::are_eabi_versions_compatible,
7888         Target_arm::merge_processor_specific_flags,
7889         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7890         New method definitions.
7891         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7892         Input_objects pointer type parameter.
7893         * layout.cc (Layout::finalize): Pass input objects to target's.
7894         finalize_sections function.
7895         * output.cc (Output_file_header::do_sized_write): Set ELF file
7896         header's processor-specific flags.
7897         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7898         Input_objects pointer type parameter.
7899         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7900         * target.h (Input_objects): New forward class declaration.
7901         (Target::processor_specific_flags,
7902         Target::are_processor_specific_flags_sect): New method definitions.
7903         (Target::finalize_sections): Add input_objects parameter.
7904         (Target::Target): Initialize processor_specific_flags_ and
7905         are_processor_specific_flags_set_.
7906         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7907         parameter.
7908         (Target::set_processor_specific_flags): New method definition.
7909         (Target::processor_specific_flags_,
7910         Target::are_processor_specific_flags_set_): New data member
7911         declarations.
7912         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7913         Input_objects pointer type parameter.
7914
7915 2009-10-30  Doug Kwan  <dougkwan@google.com>
7916
7917         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7918
7919 2009-10-28  Ian Lance Taylor  <iant@google.com>
7920
7921         * object.h (class Relobj): Drop options parameter from
7922         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7923         do_scan_relocs, do_relocate.  Change all callers.
7924         (class Sized_relobj): Drop options parameters from
7925         do_gc_process_relocs, do_scan_relocs, do_relocate,
7926         do_relocate_sections, relocate_sections, emit_relocs_scan,
7927         emit_relocs_scan_reltype.  Change all callers.
7928         (struct Relocate_info): Remove options field and all references to
7929         it.
7930         * reloc.h (class Read_relocs): Remove options constructor
7931         parameter and options_ field.  Change all callers.
7932         (class Gc_process_relocs, class Scan_relocs): Likewise.
7933         (class Relocate_task): Likewise.
7934         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7935         all callers.
7936         (scan_relocatable_relocs): Likewise.
7937         * target.h (class Sized_target): Remove options parameter from
7938         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7939         all callers.
7940         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7941         callers.
7942         * arm.cc: Update functions to remove options parameters.
7943         * i386.cc: Likewise.
7944         * powerpc.cc: Likewise.
7945         * sparc.cc: Likewise.
7946         * x86_64.cc: Likewise.
7947         * testsuite/testfile.cc: Likewise.
7948
7949 2009-10-28  Doug Kwan  <dougkwan@google.com>
7950
7951         * arm.cc (Arm_relobj): New class definition.
7952         (Arm_relobj::scan_sections_for_stubs,
7953         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7954         New method definitions.
7955
7956 2009-10-28  Cary Coutant  <ccoutant@google.com>
7957
7958         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7959         (Plugin::cleanup_done_): New member.
7960         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7961         (Plugin_manager::cleanup_done_): Remove.
7962         (Plugin_manager::add_input_file): Edit error message.
7963         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7964         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7965
7966 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7967
7968         * fileread.cc: (File_read::View::~View): Use the new
7969         data_ownership_ filed.
7970         (File_read::~File_read): Dispose the new whole_file_view_.
7971         (File_read::open): Mmap the whole file if needed.
7972         (File_read::open): Use whole_file_view_ instead of contents_.
7973         (File_read::find_view): Use whole_file_view_ if applicable.
7974         (File_read::do_read): Use whole_file_view_ instead of contents_.
7975         (File_read::make_view): Use whole_file_view_ instead of contents_,
7976         update File_read::View::View call.
7977         (File_read::find_or_make_view): Update File_read::View::View
7978         call.
7979         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7980         remove contents_
7981         (File_read::View::Data_ownership): New enum.
7982         (File_read::View::View): Replace bool mapped_ with Data_ownership
7983         argument.
7984         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7985         (File_read::View::data_ownership_): New field.
7986         (File_read::contents_): Remove (replaced by whole_file_view_).
7987         (File_read::whole_file_view_): New field.
7988         * options.h (class General_options): Add --keep-files-mapped.
7989
7990 2009-10-27  Cary Coutant  <ccoutant@google.com>
7991
7992         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7993         * testsuite/Makefile.am (plugin_test_5): New test case.
7994         * testsuite/Makefile.in: Regenerate.
7995
7996 2009-10-25  Doug Kwan  <dougkwan@google.com>
7997
7998         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7999         from private to protected to allow access by child class.
8000         (Sized_relobj::do_relocate_sections): New method declaration.
8001         (Sized_relobj::relocate_sections): Virtualize.
8002         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8003         Sized_relobj::relocate_sections.  Instantiate template explicitly
8004         for different target sizes and endianity.
8005
8006 2009-10-24  Doug Kwan  <dougkwan@google.com>
8007
8008         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8009         (Arm_input_section::as_arm_input_section): New method.
8010         (Arm_output_section): New class definition.
8011         (Arm_output_section::create_stub_group,
8012         Arm_output_section::group_sections): New method definitions.
8013
8014 2009-10-22  Doug Kwan  <dougkwan@google.com>
8015
8016         * arm.cc (Arm_input_section): New class definition.
8017         (Arm_input_section::init, Arm_input_section:do_write,
8018         Arm_input_section::set_final_data_size,
8019         Arm_input_section::do_reset_address_and_file_offset): New method
8020         definitions.
8021
8022 2009-10-21  Doug Kwan  <dougkwan@google.com>
8023
8024         * arm.cc (Stub_table, Arm_input_section): New forward class
8025         declarations.
8026         (Stub_table): New class defintion.
8027         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8028         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8029         New method definition.
8030
8031 2009-10-21  Doug Kwan  <dougkwan@google.com>
8032
8033         * arm.cc: Update copyright comments.
8034         (Target_arm): New forward class template declaration.
8035         (Arm_address): New type.
8036         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8037         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8038         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8039         constants.
8040         (Insn_template): Same.
8041         (DEF_STUBS): New macro.
8042         (Stub_type): New enum type.
8043         (Stub_template): New class definition.
8044         (Stub): Same.
8045         (Reloc_stub): Same.
8046         (Stub_factory): Same.
8047         (Target_arm::Target_arm): Initialize may_use_blx_ and
8048         should_force_pic_veneer_.
8049         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8050         Target_arm::should_force_pic_veneer,
8051         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8052         Target_arm::using_thumb_only, Target_arm:;default_target): New
8053         method defintions.
8054         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8055         New data member declarations.
8056         (Insn_template::size, Insn_template::alignment): New method defintions.
8057         (Stub_template::Stub_template): New method definition.
8058         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8059         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8060         (Stub_factory::Stub_factory): New method definition.
8061         * gold.h (string_hash): New template.
8062         * output.h (Input_section_specifier::hash_value): Use
8063         gold::string_hash.
8064         (Input_section_specifier::string_hash): Remove.
8065         * stringpool.cc (Stringpool_template::string_hash): Use
8066         gold::string_hash.
8067
8068 2009-10-20  Doug Kwan  <dougkwan@google.com>
8069
8070         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8071         symbols of relaxed input sections.
8072         * output.h (Output_section::find_relaxed_input_section): Make
8073         method public.
8074
8075 2009-10-16  Doug Kwan  <dougkwan@google.com>
8076
8077         * dynobj.cc (Versions::Versions): Initialize version_script_.
8078         Only insert base version symbol definition for a shared object
8079         if version script defines any version versions.
8080         (Versions::define_base_version): New method definition.
8081         (Versions::add_def): Check that base version is not needed.
8082         (Versions::add_need): Define base version lazily.
8083         * dynobj.h (Versions::define_base_version): New method declaration.
8084         (Versions::needs_base_version_): New data member declaration.
8085         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8086         (check_DATA): Add no_version_test.stdout.
8087         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8088         New make rules.
8089         * testsuite/Makefile.in: Regenerate.
8090         * testsuite/no_version_test.c: New file.
8091         * testsuite/no_version_test.sh: Ditto.
8092
8093 2009-10-16  Doug Kwan  <dougkwan@google.com>
8094
8095         * expression.cc (class Segment_start_expression): New class definition.
8096         (Segment_start_expression::value): New method definition.
8097         (script_exp_function_segment_start): Return a new
8098         Segment_start_expression.
8099         * gold/script-c.h (script_saw_segment_start_expression): New function
8100         prototype.
8101         * script-sections.cc (Script_sections::Script_sections): Initialize
8102         SAW_SEGMENT_START_EXPRESSION_ to false.
8103         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8104         and -Tbbs options to specify section addresses if given in
8105         command line and no SEGMENT_START expression is seen in a script.
8106         * script-sections.h (Script_sections::saw_segment_start_expression,
8107         Script_sections::set_saw_segment_start_expression): New method
8108         definition.
8109         (Script_sections::saw_segment_start_expression_): New data member
8110         declaration.
8111         * script.cc (script_saw_segment_start_expression): New function.
8112         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8113         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8114         script_test_7.sh and script_test_8.sh.
8115         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8116         script_test_8.stdout.
8117         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8118         (script_test_6, script_test_6.stdout, script_test_7,
8119         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8120         * Makefile.in: Regenerate.
8121         * testsuite/script_test_6.sh: New file.
8122         * testsuite/script_test_6.t: Same.
8123         * testsuite/script_test_7.sh: Same.
8124         * testsuite/script_test_7.t: Same.
8125         * testsuite/script_test_8.sh: Same.
8126
8127 2009-10-16  Doug Kwan  <dougkwan@google.com>
8128
8129         * output.cc (Output_segment::set_section_list_address): Cast
8130         expressions to unsigned long long type to avoid format warnings.
8131
8132 2009-10-15  Ian Lance Taylor  <iant@google.com>
8133
8134         * script.cc (Script_options::add_symbol_assignment): Always add a
8135         dot assignment to script_sections_.
8136         * script-sections.cc (Script_sections::add_dot_assignment):
8137         Initialize if necessary.
8138
8139         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8140         program headers with no load segment if there is a linker script.
8141
8142         * layout.cc (Layout::set_segment_offsets): Align the file offset
8143         to the segment aligment for -N or -n with no load segment.
8144         * output.cc (Output_segment::add_output_section): Don't crash if
8145         the first section is a TLS section.
8146         (Output_segment::set_section_list_addresses): Print an error
8147         message if the address moves backward in a linker script.
8148         * script-sections.cc
8149         (Output_section_element_input::set_section_addresses): Don't
8150         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8151         (Orphan_output_section::set_section_addresses): Likewise.
8152
8153 2009-10-15  Doug Kwan  <dougkwan@google.com>
8154
8155         * layout.cc (Layout::finish_dynamic_section): Generate tags
8156         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8157         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8158         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8159
8160 2009-10-14  Ian Lance Taylor  <iant@google.com>
8161
8162         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8163         fields.
8164         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8165         data_shdr fields of relinfo.
8166         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8167         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8168         R_386_TLS_LDO_32, adjust based on section flags.
8169         (Target_i386::Relocate::fix_up_ldo): Remove.
8170
8171 2009-10-13  Ian Lance Taylor  <iant@google.com>
8172
8173         Add support for -pie.
8174         * options.h (class General_options): Add -pie and
8175         --pic-executable.
8176         (General_options::output_is_position_independent): Test -pie.
8177         (General_options::output_is_executable): Return true if not shared
8178         and not relocatable.
8179         (General_options::output_is_pie): Remove.
8180         * options.cc (General_options::finalize): Reject incompatible uses
8181         of -pie.
8182         * gold.cc (queue_middle_tasks): A -pie link is not static.
8183         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8184         * symtab.cc (Symbol::final_value_is_known): Return false if
8185         output_is_position_independent.
8186         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8187         output_is_position_independent.
8188         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8189         output_is_position_independent.
8190         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8191         output_is_position_independent.
8192         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8193         two_file_pie_test.
8194         (basic_pie_test.o, basic_pie_test): New targets.
8195         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8196         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8197         (two_file_pie_test): New target.
8198         * testsuite/Makefile.in: Rebuild.
8199         * README: Remove note saying that -pie is not supported.
8200
8201 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8202
8203         * options.h (class General_options): Add -init and -fini.
8204         * layout.cc (Layout::finish_dynamic_section): Emit
8205         given init and fini functions.
8206
8207 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8208
8209         * gc.h (gc_process_relocs): Check if icf is enabled using new
8210         function.
8211         * gold.cc (queue_initial_tasks): Likewise.
8212         (queue_middle_tasks): Likewise.
8213         * object.cc (do_layout): Likewise.
8214         * symtab.cc (is_section_folded): Likewise.
8215         * main.cc (main): Likewise.
8216         * reloc.cc (Read_relocs::run): Likewise.
8217         (Sized_relobj::do_scan_relocs): Likewise.
8218         * icf.cc (is_function_ctor_or_dtor): New function.
8219         (Icf::find_identical_sections): Check if function is ctor or dtor when
8220         safe icf is chosen.
8221         * options.h (General_options::icf): Change option to be an enum.
8222         (Icf_status): New enum.
8223         (icf_enabled): New method.
8224         (icf_safe_folding): New method.
8225         (set_icf_status): New method.
8226         (icf_status_): New variable.
8227         * (options.cc) (General_options::finalize): Set icf_status_.
8228         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8229         icf_test and icf_keep_unique_test to use the --icf enum flag.
8230         * testsuite/icf_safe_test.sh: New file.
8231         * testsuite/icf_safe_test.cc: New file.
8232
8233 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8234
8235         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8236         includes to gc.h and icf.h.
8237         * arm.cc: Include gc.h.
8238         * gold.cc: Likewise.
8239         * i386.cc: Likewise.
8240         * powerpc.cc: Likewise.
8241         * sparc.cc: Likewise.
8242         * x86_64.cc: Likewise.
8243         * gc.h: Include icf.h.
8244
8245 2009-10-11  Ian Lance Taylor  <iant@google.com>
8246
8247         * plugin.cc: Include "gold.h" before other header files.
8248
8249 2009-10-10  Chris Demetriou  <cgd@google.com>
8250
8251         * options.h (Input_file_argument::Input_file_type): New enum.
8252         (Input_file_argument::is_lib_): Replace with...
8253         (Input_file_argument::type_): New member.
8254         (Input_file_argument::Input_file_argument): Take Input_file_type
8255         'type' rather than boolean 'is_lib' as second argument.
8256         (Input_file_argument::is_lib): Use type_.
8257         (Input_file_argument::is_searched_file): New function.
8258         (Input_file_argument::may_need_search): Handle is_searched_file.
8259         * options.cc (General_options::parse_library): Support -l:filename.
8260         (General_options::parse_just_symbols): Update for Input_file_argument
8261         changes.
8262         (Command_line::process): Likewise.
8263         * archive.cc (Archive::get_file_and_offset): Likewise.
8264         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8265         * script.cc (read_script_file, script_add_file): Likewise.
8266         * fileread.cc (Input_file::Input_file): Likewise.
8267         (Input_file::will_search_for): Handle is_searched_file.
8268         (Input_file::open): Likewise.
8269         * readsyms.cc (Read_symbols::get_name): Likewise.
8270         * testsuite/Makefile.am (searched_file_test): New test.
8271         * testsuite/Makefile.in: Regenerate.
8272         * testsuite/searched_file_test.cc: New file.
8273         * testsuite/searched_file_test_lib.cc: New file.
8274
8275 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8276             Ian Lance Taylor  <iant@google.com>
8277
8278         * descriptor.cc: Include <cstdio> and "binary-io.h".
8279         (Descriptors::open): Open the files in binary mode always.
8280         * script.cc (Lex::get_token): Treat \r as whitespace.
8281
8282 2009-10-09  Ian Lance Taylor  <iant@google.com>
8283
8284         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8285
8286 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8287             Ian Lance Taylor  <iant@google.com>
8288
8289         * configure.ac: Check for readv function also.
8290         * fileread.cc (readv): Define if not HAVE_READV.
8291         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8292         does not exist.
8293         * config.in: Regenerate.
8294         * configure: Regenerate.
8295
8296 2009-10-09  Doug Kwan  <dougkwan@google.com>
8297
8298         * layout.cc (Layout::make_output_section): Call target hook to make
8299         ordinary output section.
8300         (Layout::finalize): Adjust parameter list of call the
8301         Target::may_relax().
8302         * layout.h (class Layout::section_list): New method.
8303         * merge.h (Output_merge_base::entsize): Change visibility to public.
8304         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8305         New methods.
8306         (Output_merge_string::do_is_string): New method.
8307         * object.cc (Sized_relobj::do_setup): renamed from
8308         Sized_relobj::set_up.
8309         * object.h (Sized_relobj::adjust_shndx,
8310         Sized_relobj::initializ_input_to_output_maps,
8311         Sized_relobj::free_input_to_output_maps): Change visibilities to
8312         protected.
8313         (Sized_relobj::setup): Virtualize.
8314         (Sized_relobj::do_setup): New method declaration.
8315         (Sized_relobj::invalidate_section_offset,
8316         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8317         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8318         * options.cc (parse_int): New function.
8319         * options.h (parse_int): New declaration.
8320         (DEFINE_int): New macro.
8321         (stub_group_size): New option.
8322         * output.cc (Output_section::Output_section): Initialize memebers
8323         merge_section_map_, merge_section_by_properties_map_,
8324         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8325         (Output_section::add_input_section): Handled deferred code-fill
8326         generation and remove an old comment.
8327         (Output_section::add_relaxed_input_section): New method definition.
8328         (Output_section::add_merge_input_section): Use merge section by
8329         properties map to speed to search.  Update merge section maps
8330         as appropriate.
8331         (Output_section::build_relaxation_map): New method definition.
8332         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8333         Same.
8334         (Output_section::relax_input_section): Renamed to
8335         Output_section::convert_input_sections_to_relaxed_sections and change
8336         interface to take a vector of pointers to relaxed sections.
8337         (Output_section::find_merge_section,
8338         Output_section::find_relaxed_input_section): New method definitions.
8339         (Output_section::is_input_address_mapped,
8340         Output_section::output_offset, Output_section::output_address):
8341         Use output section data maps to speed up searching.
8342         (Output_section::find_starting_output_address): Add comments.
8343         (Output_section::do_write,
8344         Output_section::write_to_postprocessing_buffer): Do code-fill
8345         generation as appropriate.
8346         (Output_section::get_input_sections): Invalidate relaxed input section
8347         map.
8348         (Output_section::restore_states): Adjust type of checkpoint .
8349         Invalidate relaxed input section map.
8350         * output.h (Output_merge_base): New class declaration.
8351         (Input_section_specifier): New class defintion.
8352         (class Output_relaxed_input_section) Change base class to
8353         Output_section_data_build.
8354         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8355         base class initializer.
8356         (Output_section::add_relaxed_input_section): New method declaration.
8357         (Output_section::Input_section): Change visibility to protected.
8358         (Output_section::Input_section::relobj,
8359         Output_section::Input_section::shndx): Handle relaxed input sections.
8360         Output_section::input_sections) Change visibility to protected.  Also
8361         define overload to return a non-const pointer.
8362         (Output_section::Merge_section_properties): New class defintion.
8363         (Output_section::Merge_section_by_properties_map,
8364         Output_section::Output_section_data_by_input_section_map,
8365         Output_section::Relaxation_map): New types.
8366         (Output_section::relax_input_section): Rename method to
8367         Output_section::convert_input_sections_to_relaxed_sections and change
8368         interface to take a vector of relaxed section pointers.
8369         (Output_section::find_merge_section,
8370         Output_section::find_relaxed_input_section,
8371         Output_section::build_relaxation_map,
8372         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8373         New method declarations.
8374         (Output_section::merge_section_map_
8375         Output_section::merge_section_by_properties_map_,
8376         Output_section::relaxed_input_section_map_,
8377         Output_section::is_relaxed_input_section_map_valid_,
8378         Output_section::generate_code_fills_at_write_): New data members.
8379         * script-sections.cc
8380         (Output_section_element_input::set_section_addresses): Call
8381         current_data_size and addralign methods of relaxed input sections.
8382         (Orphan_output_section::set_section_addresses): Call current_data_size
8383         and addralign methods of relaxed input sections.
8384         * symtab.cc (Symbol_table::compute_final_value): Extract template
8385         from the body of Symbol_table::sized_finalize_symbol.
8386         (Symbol_table::sized_finalized_symbol): Call
8387         Symbol_table::compute_final_value.
8388         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8389         (Symbol_table::compute_final_value): New templated method declaration.
8390         * target.cc (Target::do_make_output_section): New method defintion.
8391         * target.h (Target::make_output_section): New method declaration.
8392         (Target::relax): Add more parameters for input objects, symbol table
8393         and layout.  Adjust call to do_relax.
8394         (Target::do_make_output_section): New method declaration.
8395         (Target::do_relax): Add parameters for input objects, symbol table
8396         and layout.
8397
8398 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8399
8400         * pread.c: Include stdio.h.
8401
8402 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8403
8404         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8405         defined.
8406
8407 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8408
8409         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8410         Change read_shndx type to unsigned int.
8411         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8412         int.
8413         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8414         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8415         Change read_shndx type to unsigned int.
8416         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8417         int.
8418         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8419         * layout.cc (Layout::create_symtab_sections): Cast the result of
8420         local_symcount * symsize to off_t in the gold_assert.
8421
8422 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8423
8424         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8425         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8426         R_ARM_BASE_ABS.
8427         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8428         (Arm_relocate_functions::thm_abs5): New function.
8429         (Arm_relocate_functions::abs12): New function.
8430         (Arm_relocate_functions::abs16): New function.
8431         (Arm_relocate_functions::base_abs): New function.
8432         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8433         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8434         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8435         R_ARM_BASE_ABS.
8436         (Scan::global): Likewise.
8437         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8438         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8439         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8440         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8441         R_ARM_BASE_ABS.
8442
8443 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8444
8445         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8446         (Arm_relocate_functions::movt_prel): New function.
8447         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8448         (Arm_relocate_functions::thm_movt_prel): New function.
8449         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8450         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8451         (Scan::global, Relocate::relocate): Likewise.
8452         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8453
8454 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8455
8456         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8457         Incremental_checker.
8458         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8459         unsigned int.
8460         (class Incremental_inputs_header): New class.
8461         (Incremental_inputs_header_writer): Edit comment.
8462         (Incremental_inputs_entry): New class.
8463         (Incremental_inputs_entry_writer): Edit comment.
8464         (Sized_incremental_binary::do_find_incremental_inputs_section):
8465         Add *strtab_shndx parameter, fill it.
8466         (Sized_incremental_binary::do_check_inputs): New method.
8467         (Incremental_checker::can_incrementally_link_output_file): Use
8468         Sized_incremental_binary::check_inputs.
8469         (Incremental_inputs::report_command_line): Save command line in
8470         command_line_.
8471         * incremental.h:
8472         (Incremental_binary::find_incremental_inputs_section): New
8473         method.
8474         (Incremental_binary::do_find_incremental_inputs_section): Add
8475         strtab_shndx parameter.
8476         (Incremental_binary::do_check_inputs): New pure virtual method.
8477         (Sized_incremental_binary::do_check_inputs): Declare.
8478         (Incremental_checker::Incremental_checker): Add incremental_inputs
8479         parameter, use it to initialize incremental_inputs_.
8480         (Incremental_checker::incremental_inputs_): New field.
8481         (Incremental_checker::command_line): New method.
8482         (Incremental_checker::inputs): New method.
8483         (Incremental_checker::command_line_): New field.
8484
8485 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8486
8487         * incremental.cc: Include <cstdarg> and "target-select.h".
8488         (vexplain_no_incremental): New function.
8489         (explain_no_incremental): New function.
8490         (Incremental_binary::error): New method.
8491         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8492         method.
8493         (make_sized_incremental_binary): New function.
8494         (open_incremental_binary): New function.
8495         (can_incrementally_link_file): Add checks if output is ELF and has
8496         inputs section.
8497         * incremental.h: Include "elfcpp_file.h" and "output.h".
8498         (Incremental_binary): New class.
8499         (Sized_incremental_binary): New class.
8500         (open_incremental_binary): Declare.
8501         * object.cc (is_elf_object): Use
8502         elfcpp::Elf_recognizer::is_elf_file.
8503         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8504         * output.h (Output_file::filesize): New method.
8505
8506 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8507
8508         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8509         New function.
8510         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8511         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8512         function.
8513         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8514         function.
8515         (Arm_relocate_functions::movw_abs_nc): New function.
8516         (Arm_relocate_functions::movt_abs): New function.
8517         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8518         (Arm_relocate_functions::thm_movt_abs): New function.
8519         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8520         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8521         (Scan::global): Likewise.
8522         (Relocate::relocate): Likewise.
8523         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8524
8525 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8526
8527         * arm.cc (Arm_relocate_functions::got_prel) New function.
8528         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8529         (Relocate::relocate): Likewise.
8530         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8531
8532 2009-10-06  Ian Lance Taylor  <iant@google.com>
8533
8534         * options.h (class General_options): Define
8535         split_stack_adjust_size parameter.
8536         * object.h (class Object): Add uses_split_stack_ and
8537         has_no_split_stack_ fields.  Add uses_split_stack and
8538         has_no_split_stack accessor functions.  Declare
8539         handle_split_stack_section.
8540         (class Reloc_symbol_changes): Define.
8541         (class Sized_relobj): Define Function_offsets.  Declare
8542         split_stack_adjust, split_stack_adjust_reltype, and
8543         find_functions.
8544         * object.cc (Object::handle_split_stack_section): New function.
8545         (Sized_relobj::do_layout): Call handle_split_stack_section.
8546         * dynobj.cc (Sized_dynobj::do_layout): Call
8547         handle_split_stack_section.
8548         * reloc.cc (Sized_relobj::relocate_sections): Call
8549         split_stack_adjust for executable sections in split_stack
8550         objects.  Pass reloc_map to relocate_section.
8551         (Sized_relobj::split_stack_adjust): New function.
8552         (Sized_relobj::split_stack_adjust_reltype): New function.
8553         (Sized_relobj::find_functions): New function.
8554         * target-reloc.h: Include "object.h".
8555         (relocate_section): Add reloc_symbol_changes parameter.  Change
8556         all callers.
8557         * target.h (class Target): Add calls_non_split method.  Declare
8558         do_calls_non_split virtual method.  Declare match_view and
8559         set_view_to_nop.
8560         * target.cc: Include "elfcpp.h".
8561         (Target::do_calls_non_split): New function.
8562         (Target::match_view): New function.
8563         (Target::set_view_to_nop): New function.
8564         * gold.cc (queue_middle_tasks): Give an error if mixing
8565         split-stack and non-split-stack objects with -r.
8566         * i386.cc (Target_i386::relocate_section): Add
8567         reloc_symbol_changes parameter.
8568         (Target_i386::do_calls_non_split): New function.
8569         * x86_64.cc (Target_x86_64::relocate_section): Add
8570         reloc_symbol_changes parameter.
8571         (Target_x86_64::do_calls_non_split): New function.
8572         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8573         parameter.
8574         * powerpc.cc (Target_powerpc::relocate_section): Add
8575         reloc_symbol_changes parameter.
8576         * sparc.cc (Target_sparc::relocate_section): Add
8577         reloc_symbol_changes parameter.
8578         * configure.ac: Call AM_CONDITIONAL for the default target.
8579         * configure: Rebuild.
8580         * testsuite/Makefile.am (TEST_AS): New variable.
8581         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8582         (check_DATA): Add split_i386 and split_x86_64 files.
8583         (SPLIT_DEFSYMS): Define.
8584         (split_i386_[1234n].o): New targets.
8585         (split_i386_[124]): New targets.
8586         (split_i386_[1234r].stdout): New targets.
8587         (split_x86_64_[1234n].o): New targets.
8588         (split_x86_64_[124]): New targets.
8589         (split_x86_64_[1234r].stdout): New targets.
8590         (MOSTLYCLEANFILES): Add new executables.
8591         * testsuite/split_i386.sh: New file.
8592         * testsuite/split_x86_64.sh: New file.
8593         * testsuite/split_i386_1.s: New file.
8594         * testsuite/split_i386_2.s: New file.
8595         * testsuite/split_i386_3.s: New file.
8596         * testsuite/split_i386_4.s: New file.
8597         * testsuite/split_i386_n.s: New file.
8598         * testsuite/split_x86_64_1.s: New file.
8599         * testsuite/split_x86_64_2.s: New file.
8600         * testsuite/split_x86_64_3.s: New file.
8601         * testsuite/split_x86_64_4.s: New file.
8602         * testsuite/split_x86_64_n.s: New file.
8603         * testsuite/testfile.cc (Target_test): Update relocation_section
8604         function.
8605         * testsuite/Makefile.in: Rebuild.
8606
8607 2009-10-06  Ian Lance Taylor  <iant@google.com>
8608
8609         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8610         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8611         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8612         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8613         the address on ldo_addrs_.
8614         (Target_i386::Relocate::fix_up_ldo): New function.
8615
8616 2009-10-06   Rafael Espindola  <espindola@google.com>
8617
8618         * plugin.cc (add_input_library): New.
8619         (Plugin::load): Add add_input_library to tv.
8620         (Plugin_manager::add_input_file): Add the is_lib argument.
8621         (add_input_file): Update call to Plugin_manager::add_input_file.
8622         (add_input_library): New.
8623         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8624
8625 2009-09-30  Doug Kwan  <dougkwan@google.com>
8626
8627         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8628         symbol and call Symbol::may_need_copy_reloc to determine if
8629         a copy reloc is needed.
8630         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8631         nocopyreloc is given in command line.
8632         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8633         given in command line.
8634         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8635         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8636         of the removed Target_i386::may_need_copy_reloc.
8637         * options.h (copyreloc): New option with default value false.
8638         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8639         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8640         instead of the removed Target_powerpc::may_need_copy_reloc.
8641         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8642         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8643         instead of the removed Target_sparc::may_need_copy_reloc.
8644         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8645         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8646         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8647         instead of the removed Target_x86_64::may_need_copy_reloc.
8648
8649 2009-09-30  Ian Lance Taylor  <iant@google.com>
8650
8651         * object.h (class Object): Remove target_ field, and target,
8652         sized_target, and set_target methods.
8653         (Object::sized_target): Remove.
8654         (class Sized_relobj): Update declarations.  Remove sized_target.
8655         * object.cc (Sized_relobj::setup): Remove target parameter.
8656         Change all callers.
8657         (Input_objects::add_object): Don't do anything with the target.
8658         (make_elf_sized_object): Add punconfigured parameter.  Change all
8659         callers.  Set or test parameter target.
8660         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8661         Change all callers.
8662         * parameters.cc (Parameters::set_target): Change parameter type to
8663         be non-const.
8664         (Parameters::default_target): Remove.
8665         (set_parameters_target): Change parameter type to be non-const.
8666         (parameters_force_valid_target): New function.
8667         (parameters_clear_target): New function.
8668         * parameters.h (class Parameters): Update declarations.  Remove
8669         default_target method.  Add sized_target and clear_target
8670         methods.  Change target_ to be non-const.
8671         (set_parameters_target): Update declaration.
8672         (parameters_force_valid_target): Declare.
8673         (parameters_clear_target): Declare.
8674         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8675         as NULL if we aren't searching.
8676         (Add_symbols::run): Don't check for compatible target.
8677         * fileread.cc (Input_file::open_binary): Call
8678         parameters_force_valid_target.
8679         * gold.cc (queue_middle_tasks): Likewise.
8680         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8681         set_target on object.
8682         * dynobj.h (class Sized_dynobj): Update declarations.
8683         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8684         make_elf_object returns NULL.
8685         (Archive::include_member): Don't check whether object target is
8686         compatible.
8687         * output.cc (Output_section::add_input_section): Get target from
8688         parameters.
8689         (Output_section::relax_input_section): Likewise.
8690         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8691         parameters.
8692         (Sized_relobj::do_scan_relocs): Likewise.
8693         (Sized_relobj::relocate_sections): Likewise.
8694         * resolve.cc (Symbol_table::resolve): Likewise.
8695         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8696         parameter.  Change all callers.
8697         (Symbol_table::add_from_object): Get target from parameters.
8698         (Symbol_table::add_from_relobj): Don't check object target.
8699         (Symbol_table::add_from_dynobj): Likewise.
8700         (Symbol_table::define_special_symbol): Get target from
8701         parameters.
8702         * symtab.h (class Symbol_table): Update declaration.
8703         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8704         parameter.  Change all callers.  Clear parameter target.
8705         (Binary_test): Test target here.
8706         * testsuite/object_unittest.cc (gold_testsuite): Remove
8707         target_test_pointer parameter.  Change all callers.
8708         (Object_test): Test target here.
8709
8710 2009-09-26  Ian Lance Taylor  <iant@google.com>
8711
8712         * testsuite/initpri1.c: Don't try to use constructor priorities if
8713         compiling with gcc before 4.3.
8714
8715 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8716
8717         * testsuite/retain_symbols_file_test.sh (check_present): Change
8718         output file name to retain_symbols_file_test.stdout.
8719         (check_absent): Likewise.
8720
8721 2009-09-18  Craig Silverstein  <csilvers@google.com>
8722
8723         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8724         * options.cc: Include <cerrno> and <fstream>.
8725         (General_options::finalize): Parse -retain-symbols-file tag.
8726         * options.h: New flag.
8727         (General_options): New method should_retain_symbol, new
8728         variable symbols_to_retain.
8729         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8730         should_retain_symbol map.
8731         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8732         * testsuite/Makefile.in: Regenerate.
8733         * testsuite/retain_symbols_file_test.sh: New file.
8734
8735 2009-09-18  Nick Clifton  <nickc@redhat.com>
8736
8737         * po/es.po: Updated Spanish translation.
8738
8739 2009-09-17  Doug Kwan  <dougkwan@google.com>
8740
8741         * debug.h (DEBUG_RELAXATION): New constant.
8742         (DEBUG_ALL): Add DEBUG_RELAXATION.
8743         (debug_string_to_enum): Add relaxation debug option.
8744         * layout.cc
8745         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8746         Layout::Relaxation_debug_check::read_sections,
8747         Layout::Relaxation_debug_check::read_sections): New method definitions.
8748         (Layout::Layout): Initialize data members
8749         record_output_section_data_from_scrips_,
8750         script_output_section_data_list_ and relaxation_debug_check_.
8751         (Layout::save_segments, Layout::restore_segments,
8752         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8753         Layout::relaxation_loop_body): New method definitions.
8754         (Layout::finalize): Support relaxation.  Move section layout code to
8755         Layout::relaxation_loop_body.
8756         (Layout::set_asection_address_from_script): Move code for orphan
8757         section placement out.
8758         (Layout::place_orphan_sections_in_script): New method definition.
8759         * layout.h (Output_segment_headers, Output_file_header):
8760         New forward class declarations.
8761         (Layout::~Layout): Define.
8762         (Layout::new_output_section_data_from_script): New method definition.
8763         (Layout::place_orphan_sections_in_script): New method declaration.
8764         (Layout::Segment_states): New type declaration.
8765         (Layout::save_segments, Layout::restore_segments,
8766         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8767         Layout::relaxation_loop_body): New method declarations.
8768         (Layout::Output_section_data_list): New type declaration.
8769         (Layout::Relaxation_debug_check): New class definition.
8770         (Layout::record_output_section_data_from_script_,
8771         Layout::script_output_section_data_list_, Layout::segment_states_,
8772         Layout::relaxation_debug_check_): New data members.
8773         * output.cc: (Output_section_headers::do_size): New method definition.
8774         (Output_section_headers::Output_section_headers): Move size
8775         computation to Output_section_headers::do_size.
8776         (Output_segment_headers::do_size): New method definition.
8777         (Output_file_header::Output_file_header): Move size computation to
8778         Output_file_header::do_size and call it.
8779         (Output_file_header::do_size): New method definition.
8780         (Output_data_group::Output_data_group): Adjust call to
8781         Output_section_data.
8782         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8783         (Output_symtab_xindex::do_write): Add array bound check.
8784         (Output_section::Input_section::print_to_mapfile): Handle
8785         RELAXED_INPUT_SECTION_CODE.
8786         (Output_section::Output_section): Initialize data member checkpoint_.
8787         (Output_section::~Output_section): Delete checkpoint object pointed
8788         by checkpoint_.
8789         (Output_section::add_input_section): Always add an Input_section if
8790         relaxing.
8791         (Output_section::add_merge_input_section): Add assert.
8792         (Output_section::relax_input_section): New method definition.
8793         (Output_section::set_final_data_size): Set load address to zero for
8794         an unallocated section.
8795         (Output_section::do_address_and_file_offset_have_reset_values):
8796         New method definition.
8797         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8798         Handle relaxed input section.
8799         (Output_section::sort_attached_input_sections): Checkpoint input
8800         section list lazily.
8801         (Output_section::get_input_sections): Change type of input_sections to
8802         list of Simple_input_section pointers.  Checkpoint input section list
8803         lazily.  Also handle relaxed input sections.
8804         (Output_section::add_input_section_for_script): Take a reference to
8805         a Simple_input_section object instead of Relobj pointer and section
8806         index as parameter.  Handle relaxed input sections.
8807         (Output_section::save_states, Output_section::restore_states): New
8808         method definitions.
8809         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8810         (Output_data::is_data_size_fixed): New method definition.
8811         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8812         if it is fixed.
8813         (Output_data::address_and_file_offset_have_reset_values): New method
8814         definition.
8815         (Output_data::do_address_and_file_offset_have_reset_values): New method
8816         definition.
8817         (Output_data::set_data_size): Check that data size is not fixed.
8818         (Output_data::fix_data_size): New method definition.
8819         (Output_data::is_data_size_fixed_): New data member.
8820         (Output_section_headers::set_final_data_size): New method definition.
8821         (Output_section_headers::do_size): New method declaration.
8822         (Output_segment_headers::set_final_data_size): New method definition.
8823         (Output_segment_headers::do_size): New method declaration.
8824         (Output_file_header::set_final_data_size)::New method definition.
8825         (Output_file_header::do_size)::New method declaration.
8826         (Output_section_data::Output_section_data): Add new parameter
8827         is_data_size_fixed and use it to fix data size.
8828         (Output_data_const::Output_data_const): Adjust call to base class
8829         constructor and fix data size.
8830         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8831         base class constructor and fix data size.
8832         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8833         base class constructor and fix data size.
8834         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8835         class constructor and fix data size.
8836         (Output_data_group::set_final_data_size): New method definition.
8837         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8838         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8839         class constructor and fix data size.
8840         (Output_relaxed_input_section): New class definition.
8841         (Output_section::Simple_input_section): New class definition.
8842         (Output_section::get_input_sections): Adjust parameter list.
8843         (Output_section::add_input_section_for_script): Same.
8844         (Output_section::save_states, Output_section::restore_states,
8845         Output_section::do_address_and_file_offset_have_reset_values,
8846         (Output_section::Input_section::Input_section): Handle
8847         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8848         Output_relaxed_input_section.
8849         (Output_section::Input_section::is_input_section,
8850         Output_section::Input_section::set_output_section): Handle relaxed
8851         input section.
8852         (Output_section::Input_section::is_relaxed_input_section,
8853         Output_section::Input_section::output_section_data,
8854         Output_section::Input_section::relaxed_input_section): New method
8855         definitions.
8856         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8857         value.
8858         (Output_section::Input_section::u1_): Update comments.
8859         (Output_section::Input_section::u2_): Add new union member poris.
8860         (Output_section::Checkpoint_output_section): New classs definition.
8861         (Output_section::relax_input_section): New method declaration.
8862         (Output_section::checkpoint_): New data member.
8863         (Output_segment): Update comments.
8864         (Output_segment::Output_segment): Un-privatize copy constructor.
8865         (Output_segment::operator=): Un-privatize.
8866         * script-sections.cc (Output_section_element::Input_section_list):
8867         Change element type to Output_section::Simple_input_section.
8868         (Output_section_element_dot_assignment::set_section_addresses):
8869         Register output section data for relaxation clean up.
8870         (Output_data_exression::Output_data_expression): Adjust call to base
8871         constructor to fix data size.
8872         (Output_section_element_data::set_section_addresses): Register
8873         Output_data_expression object for relaxation clean up.
8874         (struct Input_section_info): Replace Relobj pointer and section index
8875         pair with Output_section::Simple_input_section and Convert struct to a
8876         class.
8877         (Input_section_sorter::operator()): Adjust access to
8878         Input_section_info data member to use accessors.
8879         (Output_section_element_input::set_section_addresses): Use layout
8880         parameter.  Adjust code to use Output_section::Simple_input_section
8881         and Input_secction_info classes.  Register filler for relaxation
8882         clean up.
8883         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8884         and section index pair with Output_section::Simple_input_section
8885         class.  Adjust code accordingly.
8886         (Phdrs_element::release_segment): New method definition.
8887         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8888         segment list.
8889         (Script_sections::release_segments): New method definition.
8890         * gold/script-sections.h (Script_sections::release_segments): New
8891         method declaration.
8892         * gold/target.h (Target::may_relax, Target::relax,
8893         Target::do_may_relax, Target::do_relax): New method definitions.
8894
8895 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8896
8897         * arm.cc (has_signed_unsigned_overflow): New function.
8898         (Arm_relocate_functions::abs8): New function.
8899         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8900         (Target_arm::Scan::global): Likewise.
8901         (Target_arm::relocate::relocate): Likewise.
8902         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8903         Likewise.
8904
8905 2009-09-16  Cary Coutant  <ccoutant@google.com>
8906
8907         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8908         * testsuite/Makefile.in: Regenerate.
8909
8910 2009-09-11  Nick Clifton  <nickc@redhat.com>
8911
8912         * po/gold.pot: Updated by the Translation project.
8913
8914 2009-09-08  Cary Coutant  <ccoutant@google.com>
8915
8916         * output.cc (Output_file::open): Add execute permission to empty file.
8917         * testsuite/Makefile.am (permission_test): New test.
8918         * testsuite/Makefile.in: Regenerate.
8919
8920 2009-09-02  Ian Lance Taylor  <iant@google.com>
8921
8922         * output.cc (Output_file::resize): Call map_no_anonymous rather
8923         than map.
8924
8925 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8926
8927         * gold.cc: Include "incremental.h".
8928         (queue_initial_tasks): Call Incremental_checker methods.
8929         * incremental.cc: Include "output.h".
8930         (Incremental_checker::can_incrementally_link_output_file): New
8931         method.
8932         * incremental.h (Incremental_checker): New class.
8933
8934         * output.cc (Output_file::open_for_modification): New method.
8935         (Output_file::map_anonymous): Changed return type to bool.  Record
8936         map in base_ field.
8937         (Output_file::map_no_anonymous): New method, broken out of map.
8938         (Output_file::map): Use map_no_anonymous and map_anonymous.
8939         * output.h (class Output_file): Update declarations.
8940
8941 2009-08-24  Cary Coutant  <ccoutant@google.com>
8942
8943         * options.h (Command_line::Pre_options): New class.
8944         (Command_line::pre_options): New member.
8945         * options.cc (gold::options::ready_to_register): New variable.
8946         (One_option::register_option): Do nothing if not registering options.
8947         Assert if same short option registered twice.
8948         (General_options::General_options): Turn off option registration when
8949         done constructing.
8950         (Command_line::Pre_options::Pre_options): New constructor.
8951
8952 2009-08-24  Cary Coutant  <ccoutant@google.com>
8953
8954         * options.h (General_options::no_keep_memory): Remove incorrect
8955         short option.
8956
8957 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8958
8959         * Makefile.am (am__skiplex, am__skipyacc): New.
8960         * Makefile.in: Regenerate.
8961
8962 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8963
8964         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8965         (INCLUDES): ... this.
8966         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8967         (AM_CPPFLAGS): Renamed from ...
8968         (INCLUDE): ... this.
8969         * Makefile.in, testsuite/Makefile.in: Regenerate.
8970
8971         * Makefile.in: Regenerate.
8972         * aclocal.m4: Likewise.
8973         * config.in: Likewise.
8974         * configure: Likewise.
8975         * testsuite/Makefile.in: Likewise.
8976
8977         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8978         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8979         * Makefile.in: Regenerate.
8980         * testsuite/Makefile.in: Regenerate.
8981
8982 2009-08-19  Cary Coutant  <ccoutant@google.com>
8983
8984         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8985         symbols in shared libraries overridden by hidden or internal symbols
8986         in the main program.
8987
8988 2009-08-19  Chris Demetriou  <cgd@google.com>
8989
8990         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8991         checking source file names in error messages.
8992
8993 2009-08-18  Doug Kwan  <dougkwan@google.com>
8994
8995         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8996         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8997         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8998         an elfcpp::Ehdr as parameter.
8999         * object.cc (Object::set_target): Remove the version that looks up
9000         a target and sets it.
9001         (Sized_relobj::setup): Take a Target object instead of
9002         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9003         (make_elf_sized_object): Find target and ask target to
9004         make an ELF object.
9005         * object.h: (Object::set_target): Remove the version that looks up
9006         a target and sets it.
9007         (Sized_relobj::setup): Take a Target object instead of
9008         an elfcpp:Ehdr as parameter.
9009         * target.cc: Include dynobj.h.
9010         (Target::do_make_elf_object_implementation): New.
9011         (Target::do_make_elf_object): New.
9012         * target.h (Target::make_elf_object): New template declaration.
9013         (Target::do_make_elf_object): New method declarations.
9014         (Target::do_make_elf_object_implementation): New template declaration.
9015
9016 2009-08-14  Ian Lance Taylor  <iant@google.com>
9017
9018         * gold.h (FUNCTION_NAME): Define.
9019         (gold_unreachable): Use FUNCTION_NAME.
9020
9021 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9022
9023         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9024         symbol in the --keep-unique list is not found.
9025
9026 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9027
9028         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9029         been maked as --keep-unique.
9030         (Icf::unfold_section): New function.
9031         * icf.h (Icf::unfold_section): New function.
9032         * options.h (General_options::keep_unique): New option.
9033         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9034         * testsuite/Makefile.in: Regenerate.
9035         * testsuite/icf_keep_unique_test.sh: New file.
9036         * testsuite/icf_keep_unique_test.cc: New file.
9037
9038 2009-08-12  Cary Coutant  <ccoutant@google.com>
9039
9040         PR 10471
9041         * resolve.cc (Symbol_table::resolve): Check for references from
9042         dynamic objects to hidden and internal symbols.
9043         * testsuite/Makefile.am (hidden_test.sh): New test.
9044         * testsuite/Makefile.in: Regenerate.
9045         * testsuite/hidden_test.sh: New script.
9046         * testsuite/hidden_test_1.c: New test source.
9047         * testsuite/hidden_test_main.c: New test source.
9048
9049 2009-08-11  Doug Kwan  <dougkwan@google.com>
9050
9051         * arm.cc: Update comments.
9052         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9053         segment to locate the .ARM.exidx section if present.
9054
9055 2009-08-09  Doug Kwan  <dougkwan@google.com>
9056
9057         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9058         patch.
9059
9060 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9061         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9062         compiler warnings.
9063
9064 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9065
9066         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9067         valid tls_segment only for non-debug-section relocations.
9068         * testsuite/Makefile.am: Add gc_tls_test.
9069         * testsuite/Makefile.in: Regenerate.
9070         * testsuite/gc_tls_test.cc: New file.
9071         * testsuite/gc_tls_test.sh: New file.
9072
9073 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9074
9075         * icf.cc: New file.
9076         * icf.h: New file.
9077         * Makefile.am (CCFILES): Add icf.cc.
9078         (HFILES): Add icf.h
9079         * Makefile.in: Regenerate.
9080         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9081         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9082         section, symbol and addend information for the relocs.
9083         * gold.cc (queue_middle_tasks): Call identical code folding.
9084         * gold.h: Add defines for multimap.
9085         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9086         to the call of finalize_local_symbols.
9087         * main.cc (main): Create object of class Icf.
9088         * object.cc (Sized_relobj::do_layout): Allow this function to be
9089         called twice during icf.
9090         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9091         to sections marked as identical by icf.
9092         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9093         when available.
9094         (Sized_relobj::do_section_entsize): New function.
9095         * object.h (Object::section_entsize): New function.
9096         (Object::do_section_entsize): New pure virtual function.
9097         (Relobj::finalize_local_symbols): Add new parameter.
9098         (Relobj::do_section_entsize): New function.
9099         * options.h (General_options::icf): New option.
9100         (General_options::icf_iterations): New option.
9101         (General_options::print_icf_sections): New option.
9102         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9103         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9104         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9105         icf.
9106         * symtab.cc (Symbol_table::is_section_folded): New function.
9107         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9108         to sections marked as identical by icf.
9109         * symtab.h (Symbol_table::set_icf): New function.
9110         (Symbol_table::icf): New function.
9111         (Symbol_table::is_section_folded): New function.
9112         (Symbol_table::icf_): New data member.
9113         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9114         * testsuite/Makefile.am: Add commands to build icf_test.
9115         * testsuite/Makefile.in: Regenerate.
9116         * testsuite/icf_test.sh: New file.
9117         * testsuite/icf_test.cc: New file.
9118
9119 2009-07-24  Chris Demetriou  <cgd@google.com>
9120
9121         * layout.cc (is_compressible_debug_section): Fix incorrect
9122         comment about compressed section names.
9123
9124 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9125
9126         PR 10419
9127         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9128
9129 2009-07-16  Ian Lance Taylor  <iant@google.com>
9130
9131         PR 10400
9132         * layout.h: #include <map>.
9133         (class Kept_section): Change from struct to class.  Add accessors
9134         and setters.  Add section size to Comdat_group mapping.  Change
9135         Comdat_group to std::map.  Add is_comdat_ field.  Add
9136         linkonce_size field in union.
9137         (class Layout): Update declaration of find_or_add_kept_section.
9138         Don't declare find_kept_object.
9139         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9140         parameter.  Add object, shndx, is_comdat, and is_group_name
9141         parameters.  Change all callers.  Adjust for new Kept_section.
9142         (Layout::find_kept_object): Remove.
9143         * object.cc (Sized_relobj::include_section_group): Update use of
9144         Kept_section.  Rename secnum to shndx.  Only record
9145         Kept_comdat_section if sections are the same size.
9146         (Sized_relobj::include_linkonce_section): Update use of
9147         Kept_section.  Only record Kept_comdat_section if sections are the
9148         same size.  Set size of linkonce section.
9149         (Sized_relobj::map_to_kept_section): Update call to
9150         get_kept_comdat_section.
9151         * object.h (class Sized_relobj): Rename fields in
9152         Kept_comdat_section to drop trailing underscores; change object
9153         field to Relobj*.  Change Kept_comdat_section_table to store
9154         struct rather than pointer.
9155         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9156         Add kept_object and kept_shndx parameters.  Change all callers.
9157         (Sized_relobj::get_kept_comdat_section): Change return type to
9158         bool.  Add kept_object and kept_shndx parameters.  Change all
9159         callers.
9160         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9161         Layout::find_or_add_kept_section.
9162
9163 2009-07-09  Ian Lance Taylor  <iant@google.com>
9164
9165         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9166         Reserve space in the hash table.
9167
9168 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9169
9170         * fileread.cc (File_read::get_mtime): New method.
9171         * fileread.h (Timespec): New structure.
9172         (File_read::get_mtime): New method.
9173         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9174         Renamed from timestamp_nsec.
9175         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9176         Elf_Xword.
9177         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9178         timestamp_nsec.
9179         (Incremental_inputs::report_archive): Save mtime; style fix.
9180         (Incremental_inputs::report_obejct): Save mtime; style fix.
9181         (Incremental_inputs::report_script): Save mtime; style fix.
9182         (Incremental_inputs::finalize_inputs): Style fix.
9183         (Incremental_inputs::finalize): Style fix.
9184         (Incremental_inputs::create_input_section_data): Store inputs
9185         mtime.
9186         * incremental.h (Incremental_inputs::report_script): Add mtime
9187         argument.
9188         (Incremental_inputs::Input_info::Input_info): Intialize only one
9189         union member.
9190         (Incremental_inputs::Input_info::archive): Move to nameless
9191         union.
9192         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9193         (Incremental_inputs::Input_info::script): Move to nameless union.
9194         (Incremental_inputs::mtime): New field.
9195         * script.cc (read_input_script): Pass file mtime to
9196         Incremental_input.
9197         * script.h (Script_info::inputs): Style fix.
9198
9199 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9200
9201         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9202         instead of 32.
9203
9204 2009-06-24  Ian Lance Taylor  <iant@google.com>
9205
9206         PR 10156
9207         * layout.cc (Layout::choose_output_section): If we find an
9208         existing section, update the flags.
9209         (Layout::create_notes): New function, broken out of
9210         Layout::finalize.
9211         (Layout::finalize): Don't create note sections.
9212         (Layout::create_note): Don't crash if linker script discards
9213         section.
9214         (Layout::create_gold_note): Likewise.
9215         (Layout::create_build_id): Likewise.  Don't set
9216         after_input_sections on the section.
9217         (Layout::create_executable_stack_info): Remove target parameter.
9218         Change caller.
9219         * layout.h (class Layout): Declare create_notes.  Update
9220         declaration of create_executable_stack_info.
9221         * gold.cc (queue_middle_tasks): Call create_notes.
9222         * output.cc (Output_section::update_flags_for_input_section): Move
9223         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9224         invalid.
9225         * output.h (Output_data::mark_address_invalid): New function.
9226         (class Output_section): Only declare, not define,
9227         update_flags_for_input_section.  Remove set_flags.
9228
9229 2009-06-24  Ian Lance Taylor  <iant@google.com>
9230
9231         * script-sections.cc (Output_section_definition::
9232         set_section_addresses): Rename shadowing local load_address to
9233         laddr.
9234
9235 2009-06-24  Ian Lance Taylor  <iant@google.com>
9236
9237         PR 10244
9238         * reloc.cc (relocate_sections): Skip empty relocation sections.
9239
9240 2009-06-23  Ian Lance Taylor  <iant@google.com>
9241
9242         PR 10156
9243         * layout.cc (Layout::create_note): Use choose_output_section
9244         rather than make_output_section.
9245
9246 2009-06-23  Ian Lance Taylor  <iant@google.com>
9247
9248         PR 10237
9249         * options.cc (General_options::parse_V): Set printed_version_.
9250         (General_options::General_options): Initialize printed_version_.
9251         * options.h (class General_options): Add printed_version_ field.
9252         * gold.cc (queue_initial_tasks): If there are no input files,
9253         don't give a fatal error if we printed the version information.
9254         (queue_middle_tasks): If using -r with a shared object, give a
9255         fatal error rather than an ordinary error.
9256
9257 2009-06-23  Ian Lance Taylor  <iant@google.com>
9258
9259         PR 10219
9260         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9261         (Layout::make_output_section): Set have_stabstr_section_ if we see
9262         a .stab*str section.
9263         (Layout::finalize): Call link_stabs_sections.
9264         (Layout::link_stabs_sections): New file.
9265         * layout.h (class Layout): Add have_stabstr_section_ field.
9266         Declare link_stabs_sections.
9267
9268 2009-06-23  Doug Kwan  <dougkwan@google.com>
9269
9270         * Makefile.am (libgold_a_LIBADD): New.
9271         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9272         * Makefile.in: Regenerate.
9273         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9274         * configure: Regenerate.
9275         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9276         * fileread.cc: Include sys/state.h
9277         * gold.h: Declare memmem and strndup if found missing.
9278         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9279
9280 2009-06-23  Ian Lance Taylor  <iant@google.com>
9281
9282         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9283         * configure: Rebuild.
9284
9285 2009-06-23  Ian Lance Taylor  <iant@google.com>
9286
9287         PR 10147
9288         * object.cc (Object::section_contents): Don't try to get a view if
9289         the section has length zero.
9290         (Object::handle_gnu_warning_section): If the section is empty, use
9291         the name of the section as the warning.
9292
9293 2009-06-23  Ian Lance Taylor  <iant@google.com>
9294
9295         PR 10133
9296         * stringpool.h (class Stringpool_template): Add optimize_ field.
9297         (Stringpool_template::set_optimize): New function.
9298         * stringpool.cc (Stringpool_template::Stringpool_template):
9299         Initialize optimize_ field.
9300         (Stringpool_template::set_string_offsets): Test local optimize
9301         fild rather than parameter.
9302         * layout.cc (Layout::Layout): Call set_optimize on the section
9303         name stringpool.
9304
9305 2009-06-22  Ian Lance Taylor  <iant@google.com>
9306
9307         PR 10030
9308         * yyscript.y: Parse TARGET.
9309         * script.cc (script_set_target): New function.
9310         * script-c.h (script_set_target): Declare.
9311         * options.cc (General_options::string_to_object_format): Rename
9312         from string_to_object_format in anonymous namespace.  Change
9313         callers.
9314         * options.h (class General_options): Declare
9315         string_to_object_format.
9316
9317 2009-06-22  Ian Lance Taylor  <iant@google.com>
9318
9319         * script-sections.cc (Script_sections::create_segments): Don't put
9320         program headers in a PT_LOAD segment if -n or -N.
9321
9322 2009-06-22  Ian Lance Taylor  <iant@google.com>
9323
9324         PR 10141
9325         * options.h (class General_options): Add -z lazy and -z now.  Sort
9326         -z options into alphabetical order.
9327         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9328
9329 2009-06-21  Ian Lance Taylor  <iant@google.com>
9330
9331         * layout.cc (Layout::make_output_section): Call
9332         Target::new_output_section.
9333         (Layout::attach_allocated_section_to_segment): Put large section
9334         sections in a separate load segment with the large segment flag
9335         set.
9336         (Layout::segment_precedes): Sort large data segments after other
9337         load segments.
9338         (align_file_offset): New static function.
9339         (Layout::set_segment_offsets): Use align_file_offset.
9340         * output.h (class Output_section): Add is_small_section_ and
9341         is_large_section_ fields.
9342         (Output_section::is_small_section): New function.
9343         (Output_section::set_is_small_section):  New function.
9344         (Output_section::is_large_section): New function.
9345         (Output_section::set_is_large_section): New function.
9346         (Output_section::is_large_data_section): New function.
9347         (class Output_segment): Add is_large_data_segment_ field.
9348         (Output_segment::is_large_data_segment): New function.
9349         (Output_segment::set_is_large_data_segment): New function.
9350         * output.cc (Output_section::Output_section): Initialize new
9351         fields.
9352         (Output_segment::Output_segment): Likewise.
9353         (Output_segment::add_output_section): Add assertion that large
9354         data sections always go in large data segments.  Force small data
9355         sections to the end of the list of data sections.  Force small BSS
9356         sections to the start of the list of BSS sections.  For large BSS
9357         sections to the end of the list of BSS sections.
9358         * symtab.h (class Symbol): Declare is_common_shndx.
9359         (Symbol::is_defined): Check Symbol::is_common_shndx.
9360         (Symbol::is_common): Likewise.
9361         (class Symbol_table): Define enum Commons_section_type.  Update
9362         declarations.  Add small_commons_ and large_commons_ fields.
9363         * symtab.cc (Symbol::is_common_shndx): New function.
9364         (Symbol_table::Symbol_table): Initialize new fields.
9365         (Symbol_table::add_from_object): Put small and large common
9366         symbols in the right list.
9367         (Symbol_table::sized_finalized_symbol): Check
9368         Symbol::is_common_shndx.
9369         (Symbol_table::sized_write_globals): Likewise.
9370         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9371         common symbol lists.  Don't call do_allocate_commons_list if the
9372         list is empty.
9373         (Symbol_table::do_allocate_commons_list): Remove is_tls
9374         parameter.  Add comons_section_type parameter.  Change all
9375         callers.  Handle small and large common symbols.
9376         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9377         Symbol::is_common_shndx.
9378         * resolve.cc (symbol_to_bits): Likewise.
9379         * target.h (Target::small_common_shndx): New function.
9380         (Target::small_common_section_flags): New function.
9381         (Target::large_common_shndx): New function.
9382         (Target::large_common_section_flags): New function.
9383         (Target::new_output_section): New function.
9384         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9385         small_common_section_flags, and large_common_section_flags
9386         fields.
9387         (Target::do_new_output_section): New virtual function.
9388         * arm.cc (Target_arm::arm_info): Initialize new fields.
9389         * i386.cc (Target_i386::i386_info): Likewise.
9390         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9391         Likewise.
9392         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9393         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9394         (Target_x86_64::do_new_output_section): New function.
9395         * configure.ac: Define conditional MCMODEL_MEDIUM.
9396         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9397         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9398         (large_LDFLAGS): Define.
9399         * testsuite/large.c: New file.
9400         * testsuite/testfile.cc (Target_test::test_target_info):
9401         Initialize new fields.
9402         * configure, testsuite/Makefile.in: Rebuild.
9403
9404 2009-06-05  Doug Kwan  <dougkwan@google.com>
9405
9406         * Makefile.am (CCFILES): Add target.cc.
9407         * Makefile.in: Regenerate.
9408         * i386.cc (class Target_i386): Define new virtual method to
9409         override do_is_local_label_name in parent.
9410         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9411         local symbols if --discard-locals or -X is given.
9412         * options.h (class General_options): Declare new options
9413         '--discard-locals' and '-X' for discarding locals.
9414         * target.h (class Target): Define new methods is_local_label_name.
9415         Declare new virtual method do_is_local_label_name.
9416         * target.cc: New file.
9417         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9418         (check_SCRIPTS): Add discard_locals_test.sh.
9419         (check_DATA): Add discard_local_tests.syms.
9420         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9421         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9422         * testsuite/Makefile.in: Regenerate.
9423         * testsuite/discard_locals_test.c: New file.
9424         * testsuite/discard_locals_test.sh: Same.
9425
9426 2009-06-05  Doug Kwan  <dougkwan@google.com>
9427
9428         * object.cc (Sized_relobj::Sized_relobj): Initialize
9429         discarded_eh_frame_shndx_ to -1U.
9430         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9431         section.
9432         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9433         a discarded .eh_frame section.
9434         (Sized_relobj::do_finalize_local_symbols): Ditto.
9435         * object.h (class Sized_relobj): Declare new member
9436         discarded_eh_frame_shndx_.
9437         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9438         (local_labels_test.o, local_labels_test): New rules.
9439         * testsuite/Makefile.in: Regenerate.
9440
9441 2009-06-04  Doug Kwan  <dougkwan@google.com>
9442
9443         * layout.cc (Layout::section_name_mapping): Add mapping for
9444         special ARM sections.
9445
9446 2009-06-03  Doug Kwan  <dougkwan@google.com>
9447
9448         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9449         (utils::has_overflow): Same.
9450
9451 2009-06-03  Ian Lance Taylor  <iant@google.com>
9452
9453         * layout.cc (Layout::section_name_mapping): New array, replacing
9454         Layout::linkonce_mapping.
9455         (Layout::section_name_mapping_count): New variable, replacing
9456         Layout::linkonce_mapping_count.
9457         (Layout::linkonce_output_name): Remove.
9458         (Layout::output_section_name): Rewrite.
9459         * layout.h (class Layout): Rename Linkonce_mapping to
9460         Section_name_mapping, linkonce_mapping to section_name_mapping,
9461         linkonce_mapping_count to section_name_mapping_count.  Don't
9462         declare linkonce_output_name.
9463
9464 2009-06-03  Doug Kwan  <dougkwan@google.com>
9465
9466         * gold/arm.cc (namespace utils): New.
9467         (Target_arm::reloc_is_non_pic): Define new method.
9468         (class Arm_relocate_functions): New.
9469         (Target_arm::Relocate::relocate): Handle relocation types used by
9470         Android.
9471
9472 2009-06-03  Ian Lance Taylor  <iant@google.com>
9473
9474         * arm.cc (Target_arm::scan::global): Use || instead of |.
9475
9476 2009-06-02  Doug Kwan  <dougkwan@google.com>
9477
9478         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9479         issued_non_pic_error_.
9480         (class Target_arm::Scan): Declare new method check_non_pic.
9481         Define new method symbol_needs_plt_entry.
9482         Declare new data member issued_non_pic_error_.
9483         (class Target_arm::Relocate): Declare new method
9484         should_apply_static_reloc.
9485         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9486         (Target_arm::Scan::check_non_pic): Define new method.
9487         (Target_arm::Scan::local): Handle a small subset of reloc types used
9488         by Android.
9489         (Target_arm::Scan::local): Same.
9490         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9491
9492 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9493
9494         * incremental.cc (Incremental_inputs::report_command_line): Filter
9495         out --incremental-* options.
9496
9497 2009-05-29  Doug Kwan  <dougkwan@google.com>
9498
9499         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9500         template class.
9501         (class Target_arm): Update comment.
9502         (Target_arm::Target_arm): Initialize new data members GOT_,
9503         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9504         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9505         and Target_arm::rel_dyn_section.
9506         Declare new_enum Target_arm::Got_type.
9507         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9508         and DYNBSS_.
9509         Update commments for member do_dynsym_value.
9510         (Target_arm::got_size, Target_arm::plt_section,
9511         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9512         new methods inside class defintion.
9513         (Target_arm::got_section): Define new method.
9514         (Target_arm::rel_dyn_section): Same.
9515         (Output_data_plt_arm): New template class.
9516         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9517         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9518         (Output_data_plt_arm::add_entry): Same.
9519         (Output_data_plt_arm::first_plt_entry): Define new
9520         static data member for PLT instruction template.
9521         (Output_data_plt_arm::plt_entry): Same.
9522         (Output_data_plt_arm::do_write): Define new method.
9523         (Target_arm::make_plt_entry): Same.
9524         (Target_arm::do_finalize_sections): Same.
9525         (Target_arm::do_dynsym_value): Same.
9526
9527 2009-05-28  Doug Kwan  <dougkwan@google.com>
9528
9529         * Makefile.am (TARGETSOURCES): Add arm.cc.
9530         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9531         * Makefile.in: Regenerate.
9532         * arm.cc: New file.
9533         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9534
9535 2009-05-26  Doug Kwan  <dougkwan@google.com>
9536
9537         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9538         (General_options::check_excluded_libs): Strip off directories in
9539         archive name before matching like GNU ld does.
9540         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9541         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9542         (exclude_libs_test_LDFLAGS): Add linker option
9543         -Wl,--exclude-libs,libexclude_libs_test_3
9544         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9545         an explicit archive without using -l.
9546         (alt/libexclude_libs_test_3.a): New make rule.
9547         * testsuite/Makefile.in: Regenerate.
9548         * testsuite/exclude_libs_test.c : Declare lib3_default().
9549         (main): Call it.
9550         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9551         * exclude_libs_test_3.c: New file.
9552
9553 2009-05-26  Nick Clifton  <nickc@redhat.com>
9554
9555         * po/id.po: New Indonesian translation.
9556         * po/gold.pot: Updated template file.
9557
9558 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9559
9560         * testsuite/Makefile.am: Add -ffunction-sections to compile
9561         gc_comdat_test files.  Add -Wl,--gc-sections to build
9562         gc_comdat_test.
9563         * testsuite/Makefile.in: Regenerate.
9564         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9565
9566 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9567
9568         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9569         kept comdat section was garbage collected.
9570         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9571         * testsuite/Makefile.in: Regenerate.
9572         * testsuite/gc_comdat_test.sh: New file.
9573         * testsuite/gc_comdat_test_1.cc: New file.
9574         * testsuite/gc_comdat_test_2.cc: New file.
9575
9576 2009-05-19  Doug Kwan  <dougkwan@google.com>
9577
9578         * archive.cc (Archive::Archive): Move constructor from archive.h
9579         to here.  Initialize no_export_.
9580         (Archive::get_elf_object_for_member): Set no_export flag of object.
9581         * archive.h (Archive::Archive): Move constructor body to
9582         archive.cc.
9583         (Archive::no_export): New method.
9584         (Archive::no_export_): New field.
9585         * object.h (Object::Object): Initialize no_export_ to false.
9586         (Object::no_export, Object::set_no_export): New methods.
9587         (Object::no_export_): New field.
9588         * options.cc (General_options::parse_exclude_libs): New method.
9589         (General_options::check_excluded_libs) Same.
9590         * options.h (exclude_libs): New option.
9591         (General_options::check_excluded_libs): New method declaration.
9592         (General_options::excluded_libs_): New field.
9593         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9594         default or protected visibility if an object has no-export flag set.
9595         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9596         (check_SCRIPTS): Add exclude_libs_test.sh.
9597         (check_DATA): Add exclude_libs_test.syms.
9598         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9599         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9600         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9601         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9602         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9603         libexclude_libs_test_2.a): New rules.
9604         * testsuite/Makefile.in: Regenerate.
9605         * testsuite/exclude_libs_test.c: New file.
9606         * testsuite/exclude_libs_test.sh: Ditto.
9607         * testsuite/exclude_libs_test_1.c: Ditto.
9608         * testsuite/exclude_libs_test_2.c: Ditto.
9609
9610 2009-05-15  Ian Lance Taylor  <iant@google.com>
9611
9612         * configure.ac: Check for declarations for cases where libiberty.h
9613         checks HAVE_DECL_xxx.
9614         * configure, config.in: Rebuild.
9615
9616 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9617
9618         * gold.h (Incremental_argument_list): Remove (invalid) forward
9619         declaration.
9620         * incremental.cc (Incremental_inputs::report_achive): New method.
9621         (Incremental_inputs::report_object): New method.
9622         (Incremental_inputs::report_script): New method.
9623         (Incremental_inputs::finalize_inputs): New method.
9624         (Incremental_inputs::finalize): Call finalize_inputs().
9625         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9626         Create inputs entries.
9627         * incremental.h (Incremental_input_type): New enum.
9628         (Incremental_inputs::Incremental_input): Initialize new fields.
9629         (Incremental_inputs::report_inputs): New method.
9630         (Incremental_inputs::report_achive): New method.
9631         (Incremental_inputs::report_object): New method.
9632         (Incremental_inputs::report_script): New method.
9633         (Incremental_inputs::finalize_inputs): New method.
9634         (Incremental_inputs::Input_info): New struct.
9635         (Incremental_inputs::Input_info_map): New typedef.
9636         (Incremental_inputs::lock_): New field.
9637         (Incremental_inputs::Inputs_): New field.
9638         (Incremental_inputs::Inputs_map): New field.
9639         * main.cc (main): Call Incremental_input::report_inputs.
9640         * options.h (Input_argument_list): Typedef moved from
9641         Input_arguments.
9642         (Input_file_group::Files): Remove, use ::Input_argument_list.
9643         (Input_file_group::Input_argument_list): Remove, use
9644         ::Input_argument_list.
9645         * plugin.cc (Plugin_manager::add_input_file): Add error in
9646         incremental build.
9647         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9648         functions.
9649         * script.cc (read_input_script): Call
9650         Incremental_input::report_script.
9651         * script.h (Script_info): New class.
9652
9653 2009-04-27  Ian Lance Taylor  <iant@google.com>
9654
9655         * x86_64.cc (do_adjust_output_section): Set entsize to
9656         plt_entry_size.
9657
9658 2009-04-23  Elliott Hughes  <enh@google.com>
9659
9660         * output.cc (Output_file::close): After short writes, continue
9661         writing from the correct offset in the buffer being written.
9662
9663 2009-04-23  Chris Demetriou  <cgd@google.com>
9664
9665         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9666         * configure: Regenerate.
9667         * config.in: Regenerate.
9668         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9669         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9670
9671 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9672
9673         * incremental.cc (Incremental_inputs_header_data): Renamed from
9674         Incremental_input_header_data.
9675         (Incremental_inputs_header_data::data_size): New field.
9676         (Incremental_inputs_header_data::put_input_file_count): Renamed
9677         from input_file_count.
9678         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9679         from command_line_offset.
9680         (Incremental_inputs_header_data::put_reserved): Renamed from
9681         put_reserved.
9682         (Incremental_inputs_entry_data): Renamed from
9683         Incremental_input_entry_data.
9684         (Incremental_inputs_entry_data::data_size): New field.
9685         (Incremental_inputs::report_command_line): New method.
9686         (Incremental_inputs::finalize): New method.
9687         (Incremental_inputs::create_incremental_inputs_data): New method.
9688         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9689         * incremental.h: New file.
9690         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9691        (Layout::finalize): Create incremental inputs section in
9692         incremental builds.
9693        (Layout::create_incremental_info_sections): New method.
9694         * layout.h (Layout::incremental_inputs): New method.
9695        (Layout::create_incremental_info_sections): New method.
9696        (Layout::incremental_inputs_): New field.
9697         * main.cc (main): Notify Incremental_input of the command line.
9698
9699 2009-04-01  Ian Lance Taylor  <iant@google.com>
9700             Mikolaj Zalewski  <mikolajz@google.com>
9701
9702         * gold.h (reserve_unordered_map): Define, three versions, one for
9703         each version of Unordered_map.
9704         * layout.cc (Layout::Layout): Remove options parameter.  Add
9705         number_of_input_files parameter.  Don't initialize options_.
9706         Initialize number_of_input_files_ and resized_signatures_.  Move
9707         sections_are_attached_.
9708         (Layout::layout_group): Reserve space for group_signatures_.
9709         (Layout::find_or_add_kept_section): Change name parameter to be a
9710         reference.  Resize signatures_ map when it gets large enough.
9711         (Layout::layout_eh_frame): Use parameters->options() instead of
9712         this->options_.
9713         (Layout::make_output_section): Likewise.
9714         (Layout::attach_allocated_section_to_segment): Likewise.
9715         (Layout::finalize, Layout::create_executable_stack): Likewise.
9716         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9717         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9718         * layout.h (class Layout): Update declarations.  Remove options_
9719         field.  Add number_of_input_files_ and resized_signatures_
9720         fields.  Move sections_are_attached_ field.
9721         * main.cc (main): Pass number of input files to Layout
9722         constructor.  Don't pass options.
9723
9724 2009-03-30  Ian Lance Taylor  <iant@google.com>
9725
9726         * ffsll.c (ffsll): Correct implementation.
9727
9728 2009-03-27  Ian Lance Taylor  <iant@google.com>
9729
9730         * ffsll.c: New file.
9731         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9732         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9733         * ftruncate.c (ftruncate): Declare before definition.
9734         * mremap.c (mremap): Likewise.
9735         * pread.c (pread): Likewise.
9736         * configure, Makefile.in, config.in: Rebuild.
9737
9738         * mremap.c: New file.
9739         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9740         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9741         (mremap): Declare if HAVE_MREMAP is not defined.
9742         * configure, Makefile.in, config.in: Rebuild.
9743
9744 2009-03-27  Cary Coutant  <ccoutant@google.com>
9745
9746         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9747         position independent.
9748         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9749         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9750
9751 2009-03-24  Cary Coutant  <ccoutant@google.com>
9752
9753         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9754         an executable.
9755         (needs_dynamic_reloc): Likewise.
9756
9757 2009-03-24  Ian Lance Taylor  <iant@google.com>
9758
9759         * yyscript.y (file_cmd): Recognize EXTERN.
9760         (extern_name_list, extern_name_list_body): New nonterminals.
9761         * script.cc (script_add_extern): Define.
9762         * script-c.h (script_add_extern): Declare.
9763
9764 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9765
9766         * object.cc (is_elf_object): Define.
9767         * object.h (is_elf_object): Declare.
9768         * archive.cc (Archive::get_elf_object_for_member): Call
9769         is_elf_object.
9770         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9771
9772 2009-03-24  Elliott Hughes  <enh@google.com>
9773
9774         * output.cc (Output_file::map_anonymous): Define.
9775         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9776         try an anonymous one.  Report the size if the mmap fails.
9777         * output.h (class Output_file): Declare map_anonymous.
9778
9779 2009-03-24  Ian Lance Taylor  <iant@google.com>
9780
9781         * target-select.cc (instantiate_target): Don't acquire the lock if
9782         the instantiated_target_ field has already been set.
9783
9784 2009-03-23  Ian Lance Taylor  <iant@google.com>
9785
9786         * gold-threads.h (class Initialize_lock): Define.
9787         * gold-threads.cc (class Initialize_lock_once): Define.
9788         (initialize_lock_control): New static variable.
9789         (initialize_lock_pointer): New static variable.
9790         (initialize_lock_once): New static function.
9791         (Initialize_lock::Initialize_lock): Define.
9792         (Initialize_lock::initialize): Define.
9793         * target-select.h: Include "gold-threads.h".
9794         (class Target_selector): Add lock_ and initialize_lock_ fields.
9795         Don't define instantiate_target, just declare it.
9796         * target-select.cc (Target_selector::Target_selector): Initialize
9797         new fields.
9798         (Target_selector::instantiate_target): Define.
9799         * descriptors.h: Include "gold-threads.h".
9800         (class Descriptors): Add initialize_lock_ field.
9801         * descriptors.cc (Descriptors::Descriptors): Initialize new
9802         field.
9803         (Descriptors::open): Use initialize_lock_ field
9804         * errors.h (class Errors): Add initialize_lock_ field.
9805         * errors.cc (Errors::Errors): Initialize new field.
9806         (Errors::initialize_lock): Use initialize_lock_ field.
9807         * powerpc.cc (class Target_selector_powerpc): Remove
9808         instantiated_target_ field.  In do_recognize call
9809         instantiate_target rather than do_instantiate_target.  In
9810         do_instantiate_target just allocate a new target.
9811         * sparc.cc (class Target_selector_sparc): Likewise.
9812
9813         * freebsd.h: New file.
9814         * i386.cc: Include "freebsd.h".
9815         (Target_i386): Derive from Target_freebsd rather than
9816         Sized_target.
9817         (Target_selector_i386): Derive from Target_selector_freebsd rather
9818         than Target_selector.
9819         * x86_64.cc: Include "freebsd.h".
9820         (Target_x86_64): Derive from Target_freebsd rather than
9821         Sized_target.
9822         (Target_selector_x86_64): Derive from Target_selector_freebsd
9823         rather than Target_selector.
9824         * target.h (class Target): Add adjust_elf_header and
9825         do_adjust_elf_header.
9826         * output.cc (Output_file_header:: do_sized_write): Call target
9827         adjust_elf_header routine.
9828         * configure.tgt: Set targ_osabi.
9829         * configure.ac: Define GOLD_DEFAULT_OSABI.
9830         * parameters.cc (Parameters::default_target): Pass
9831         GOLD_DEFAULT_OSABI to select_target.
9832         * target-select.h (class Target_selector): Make instantiate_target
9833         protected rather than private.
9834         * Makefile.am (HFILES): Add freebsd.h.
9835         * configure, Makefile.in, config.in: Rebuild.
9836
9837         * merge.cc (do_add_input_section): Correct pend value.  Change
9838         message about last entry not being null terminated from error to
9839         warning.
9840
9841 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9842
9843         * incremental.cc: New file.
9844         * Makefile.am (CCFILES): Add incremental.cc.
9845         * Makefile.in: Rebuild.
9846
9847 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9848
9849         * layout.cc (Layout::output_section_name): Preserve names
9850         of '.note.' sections.
9851
9852 2009-03-19  Ian Lance Taylor  <iant@google.com>
9853
9854         * descriptors.cc (Descriptors::open): Check that the options are
9855         valid before using them.
9856
9857 2009-03-18  Ian Lance Taylor  <iant@google.com>
9858
9859         * script-sections.h: Include <list>.
9860         (class Script_sections): Change Sections_elements from std::vector
9861         to std::list.  Typedef public Elements_iterator.  Add
9862         orphan_section_placement_, data_segment_align_start_, and
9863         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9864         field.
9865         * script-sections.cc (class Orphan_section_placement): New class.
9866         (class Sections_element): Add virtual functions is_relro and
9867         orphan_section_init.  Remove virtual function place_orphan_here.
9868         (class Output_section_definition): Add is_relro and
9869         orphan_section_init.  Remove place_orphan_here.
9870         (class Orphan_output_section): Likewise.
9871         (Script_sections::Script_sections): Update for field changes.
9872         (Script_sections::data_segment_align): Set saw_data_segment_align_
9873         and data_segment_align_start_, not data_segment_align_index.
9874         (Script_sections::data_segment_relro_end): Check
9875         saw_data_segment_align_.  Use data_segment_align_start_ rather
9876         than data_segment_align_index_.
9877         (Script_sections::place_orphan): Rewrite to use
9878         Orphan_section_placement.
9879
9880 2009-03-17  Ian Lance Taylor  <iant@google.com>
9881
9882         * archive.cc (Archive::add_symbols): Check for a version attached
9883         to the symbol name in the archive map.
9884         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9885         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9886         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9887         (ver_test_11.a): New target.
9888         * testsuite/Makefile.in: Rebuild.
9889
9890         * configure.ac: Check for chsize and posix_fallocate.  Replace
9891         ftruncate.
9892         * ftruncate.c: New file, from gnulib.
9893         * output.cc (posix_fallocate): Define dummy version if not
9894         HAVE_POSIX_FALLOCATE.
9895         (Output_file::map): Call posix_fallocate rather than lseek and
9896         write.
9897         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9898         * configure, Makefile.in, config.in: Rebuild.
9899
9900 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9901
9902         * layout.h (Layout::create_note): Add section_name parameter.
9903         * layout.cc (Layout::create_note): Likewise.
9904         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9905
9906 2009-03-17  Ian Lance Taylor  <iant@google.com>
9907
9908         * descriptors.cc: Include "options.h".
9909         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9910         (Descriptors::open): Always use O_CLOEXEC when opening a new
9911         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9912         then set FD_CLOEXEC.
9913
9914         * sparc.cc (class Target_sparc): Add has_got_section.
9915         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9916         make sure we have a GOT section.
9917
9918         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9919         (Target_sparc::Scan::local): Likewise.
9920         (Target_sparc::Scan::global): Likewise.
9921         (Target_sparc::Relocate::relocate): Likewise.
9922         (Target_sparc::Relocate::relocate_tls): Likewise.
9923
9924         * symtab.cc (Symbol_table::define_default_version): New function,
9925         broken out of add_from_object.
9926         (Symbol_table::add_from_object): Call define_default_version.
9927         (Symbol_table::define_special_symbol): Add resolve_oldsym
9928         parameter.  Change all callers.  If the version for a symbol comes
9929         from a version script, resolve it with the symbol with the same
9930         name with no version.  Also add the symbol without a version if
9931         appropriate.
9932         (do_define_in_output_data): If resolving with oldsym, don't delete
9933         sym.
9934         (do_define_in_output_segment): Likewise.
9935         (do_define_as_constant): Likewise.
9936         * symtab.h (class Symbol_table): Update declarations.
9937
9938 2009-03-13  Ian Lance Taylor  <iant@google.com>
9939
9940         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9941         (Read_symbols::requeue): New function.
9942         (Read_symbols::do_read_symbols): If make_elf_object fails because
9943         the target type is not configured, and the file was searched for,
9944         issue a warning and retry with the next directory.
9945         (Add_symbols::run): If the file has an incompatible format, and
9946         it was searched for, requeue the Read_symbols task.  On error,
9947         release the object.
9948         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9949         dirindex parameter to constructor.  Change all callers.  Declare
9950         incompatible_warning and requeue.
9951         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9952         input_argument_ and input_group_ fields.  Add them to
9953         constructor.  Change all callers.
9954         (class Read_script): Add dirindex_ field.  Add it to constructor.
9955         Change all callers.
9956         * archive.cc (Archive::setup): Remove input_objects parameter.
9957         Change all callers.
9958         (Archive::get_file_and_offset): Likewise.
9959         (Archive::read_all_symbols): Likewise.
9960         (Archive::read_symbols): Likewise.
9961         (Archive::get_elf_object_for_member): Remove input_objects
9962         parameter.  Add punconfigured parameter.  Change all callers.
9963         (Archive::add_symbols): Change return type to bool.  Check return
9964         value of include_member.
9965         (Archive::include_all_members): Likewise.
9966         (Archive::include_member): Change return type to bool.  Return
9967         false if first included object has incompatible target.  Set
9968         included_member_ field.
9969         (Add_archive_symbols::run): If add_symbols returns false, requeue
9970         Read_symbols task.
9971         * archive.h (class Archive): Add included_member_ field.
9972         Initialize it in constructor.  Add input_file and searched_for
9973         methods.  Update declarations.
9974         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9975         input_argument_ fields.  Add them to constructor.  Change all
9976         callers.
9977         * script.cc: Include "target-select.h".
9978         (class Parser_closure): Add skip_on_incompatible_target_ and
9979         found_incompatible_target_ fields.  Add
9980         skip_on_incompatible_target parameter to constructor.  Change all
9981         callers.  Add methods skip_on_incompatible_target,
9982         clear_skip_on_incompatible_target, found_incompatible_target, and
9983         set_found_incompatible_target.
9984         (read_input_script): Add dirindex parameter.  Change all callers.
9985         If parser finds an incompatible target, requeue Read_symbols
9986         task.
9987         (script_set_symbol): Clear skip_on_incompatible_target in
9988         closure.
9989         (script_add_assertion, script_parse_option): Likewise.
9990         (script_start_sections, script_add_phdr): Likewise.
9991         (script_check_output_format): New function.
9992         * script.h (read_input_script): Update declaration.
9993         * script-c.h (script_check_output_format): Declare.
9994         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9995         (ignore_cmd): Remove OUTPUT_FORMAT.
9996         * fileread.cc (Input_file::Input_file): Add explicit this.
9997         (Input_file::will_search_for): New function.
9998         (Input_file::open): Add pindex parameter.  Change all callers.
9999         * fileread.h (class Input_file): Add input_file_argument method.
10000         Declare will_search_for.  Update declarations.
10001         * object.cc (make_elf_object): Add punconfigured parameter.
10002         Change all callers.
10003         * object.h (class Object): Make input_file public.  Add
10004         searched_for method.
10005         (make_elf_object): Update declaration.
10006         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10007         restart search.
10008         * dirsearch.h (class Dirsearch): Update declaration.
10009         * options.h (class General_options): Add --warn-search-mismatch.
10010         * parameters.cc (Parameters::is_compatible_target): New function.
10011         * parameters.h (class Parameters): Declare is_compatible_target.
10012         * workqueue.cc (Workqueue::add_blocker): New function.
10013         * workqueue.h (class Workqueue): Declare add_blocker.
10014
10015         * fileread.cc (Input_file::open): Remove options parameter.
10016         Change all callers.
10017         (Input_file::open_binary): Likewise.
10018         * script.cc (read_input_script): Likewise.
10019         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10020         options parameter from constructor.  Change all callers.
10021         (class Read_script): Likewise.
10022         * fileread.h (class Input_file): Update declarations.
10023         * script.h (read_input_script): Update declaration.
10024
10025 2009-03-10  Nick Clifton  <nickc@redhat.com>
10026
10027         * po/es.po: New Spanish translation.
10028
10029 2009-03-06  Cary Coutant  <ccoutant@google.com>
10030
10031         * options.cc (parse_short_option): Keep dash_z from registering itself.
10032
10033 2009-03-03  Ian Lance Taylor  <iant@google.com>
10034
10035         PR 9918
10036         * target-reloc.h (relocate_section): Pass output_section to
10037         relocate.
10038         * i386.cc (Target_i386::should_apply_static_reloc): Add
10039         output_section parameter.  Change all callers.
10040         (Target_i386::Relocate::relocate): Add output_section parameter.
10041         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10042         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10043         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10044         * testsuite/two_file_shared.sh: New script.
10045         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10046         (check_DATA): Add two_file_shared.dbg.
10047         (two_file_shared.dbg): New target.
10048         * testsuite/Makefile.in: Rebuild.
10049
10050 2009-03-01  Ian Lance Taylor  <iant@google.com>
10051
10052         * configure.ac: Check for byteswap.h.
10053         * configure: Rebuild.
10054         * config.in: Rebuild.
10055
10056 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10057
10058         * layout.cc (Layout::find_or_add_kept_section): New function.
10059         (Layout::add_comdat): Removed.
10060         * layout.h (struct Kept_section): Move out of class Layout.
10061         Remove trailing underscores from field names.  Add group_sections
10062         field.  Rename group_ field to is_group.  Change all uses.
10063         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10064         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10065         comdat_groups_ field.
10066         (Sized_relobj::include_section_group): Use
10067         find_or_add_kept_section and Kept_section::group_sections.
10068         (Sized_relobj::include_linkonce_section): Likewise.
10069         * object.cc (class Sized_relobj): Don't define Comdat_group or
10070         Comdat_group_table.  Remove find_comdat_group and
10071         add_comdat_group.  Remove comdat_groups_ field.
10072         * plugin.cc (include_comdat_group): Use
10073         Layout::find_or_add_kept_section.
10074
10075 2009-02-28  Ian Lance Taylor  <iant@google.com>
10076
10077         * README: --gc-sections and map files are now supported.  Document
10078         some build requirements.
10079
10080         PR 6992
10081         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10082         relocatable link set the value of the section symbol to zero.
10083         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10084         relocatable link don't include the section address in the local
10085         symbol value.
10086
10087 2009-02-27  Ian Lance Taylor  <iant@google.com>
10088
10089         PR 6811
10090         * options.h (class Search_directory): Add is_system_directory.
10091         (class General_options): Declare is_in_system_directory.
10092         * options.cc (get_relative_sysroot): Make static.
10093         (get_default_sysroot): Make static.
10094         (General_optoins::is_in_system_directory): New function.
10095         * fileread.cc (Input_file::is_in_system_directory): New function.
10096         * fileread.h (class Input_file): Declare is_in_system_directory.
10097         * object.h (class Object): Add is_in_system_directory.
10098         (class Input_objects): Remove system_library_directory_ field.
10099         * object.cc (Input_objects::add_object): Don't set
10100         system_library_directory_.
10101         (input_objects::found_in_system_library_directory): Remove.
10102         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10103         parameter.  Change all callers.
10104         (Symbol_table::sized_write_globals): Likewise.
10105         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10106         Call Object::is_in_system_directory.
10107         * symtab.h (class Symbol_table): Update declarations.
10108
10109         PR 5990
10110         * descriptors.h (Open_descriptor): Add is_on_stack field.
10111         * descriptors.cc (Descriptors::open): If the descriptor is on the
10112         top of the stack, remove it.  Initialize is_on_stack field.
10113         (Descriptors::release): Only add pod to stack if it is not on the
10114         stack already.
10115         (Descriptors::close_some_descriptor): Clear stack_next and
10116         is_on_stack fields.
10117
10118         PR 7091
10119         * output.cc (Output_section::find_starting_output_address): Rename
10120         from starting_output_address; add PADDR parameter; change return
10121         type.
10122         * output.h (class Output_section): Declare
10123         find_starting_output_address instead of starting_output_address.
10124         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10125         section symbol for which we can't find a merge section.
10126
10127         PR 9836
10128         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10129         hidden or internal, force the symbol to be local.
10130         * resolve.cc (Symbol::override_visibility): Define.
10131         (Symbol::override_base): Use override_visibility.
10132         (Symbol_table::resolve): Likewise.
10133         (Symbol::override_base_with_special): Likewise.
10134         (Symbol_table::override_with_special): If the visibility is hidden
10135         or internal, force the symbol to be local.
10136         * symtab.h (class Symbol): Add set_visibility and
10137         override_visibility.
10138         * testsuite/ver_test_1.sh: New file.
10139         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10140         (check_DATA): Add ver_test_1.syms.
10141         (ver_test_1.syms): New target.
10142         * testsuite/Makefile.in: Rebuild.
10143
10144 2009-02-25  Cary Coutant  <ccoutant@google.com>
10145
10146         * layout.cc (Layout::choose_output_section): Don't rename sections
10147         when using a linker script that has a SECTIONS clause.
10148         * Makefile.in: Regenerate.
10149
10150         * testsuite/Makefile.am (script_test_5.sh): New test case.
10151         * testsuite/Makefile.in: Regenerate.
10152         * testsuite/script_test_5.cc: New file.
10153         * testsuite/script_test_5.sh: New file.
10154         * testsuite/script_test_5.t: New file.
10155
10156 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10157
10158         * archive.cc (Archive::include_member): Update calls to add_symbols.
10159         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10160         the Layout argument.
10161         * dynobj.h (do_add_symbols): Add the Layout argument.
10162         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10163         Layout argument.
10164         * object.h (Object::add_symbols): Add the Layout argument.
10165         (Object::do_add_symbols): Add the Layout argument.
10166         (Sized_relobj::do_add_symbols): Add the Layout argument.
10167         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10168         Unify the two versions.
10169         (Add_plugin_symbols): Remove.
10170         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10171         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10172         (Add_plugin_symbols): Remove.
10173         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10174         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10175         (Add_symbols::run): Make it work with Pulginobj.
10176
10177 2009-02-06  Ian Lance Taylor  <iant@google.com>
10178
10179         * object.cc (Sized_relobj::do_layout): Make info message start
10180         with lower case letter.
10181
10182 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10183
10184         * binary.cc: Fix file comment.
10185
10186         * options.h (enum Incremental_disposition): Define.
10187         (class General_options): Add new options: --incremental,
10188         --incremental_changed, --incremental_unchanged,
10189         --incremental_unknown.  Add incremental_disposition_ and
10190         implicit_incremental_ fields.
10191         (General_options::incremental_disposition): New function.
10192         (class Position_dependent_options): Add incremental_disposition
10193         option.
10194         (Position_dependent_options::copy_from_options): Set incremental
10195         dispositions.
10196         * options.cc (General_options::parse_incremental_changed): New
10197         function.
10198         (General_options::parse_incremental_unchanged): New function.
10199         (General_options::parse_incremental_unknown): New function.
10200         (General_options::General_options): Initialize new fields
10201         incremental_disposition_ and implicit_incremental_.
10202         (General_options::finalize): Check for uasge of --incremental-*
10203         without --incremental.
10204
10205 2009-02-06  Chris Demetriou  <cgd@google.com>
10206
10207         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10208         pointer and to report location as the file name associated with
10209         the symbol.
10210         (gold_undefined_symbol_at_location): New function to replace the
10211         old gold_undefined_symbol functionality.
10212         * target-reloc.h (relocate_section): Update to use
10213         gold_undefined_symbol_at_location.
10214         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10215         Call gold_undefined_symbol function rather than gold_error.
10216         * errors.h (Errors::undefined_symbol): Take location as a
10217         string, rather than calculating it from a relocation.
10218         * errors.cc (Errors::fatal): Print "fatal error:" before the
10219         formatted message.
10220         (Errors::error, Errors::error_at_location): Print "error: "
10221         before the formatted message.
10222         (Errors::undefined_symbol): Take location as a string, rather
10223         than calculating it from a relocation.
10224         (gold_undefined_symbol_at_location): New function akin to
10225         old gold_undefined_symbol, calculates location from relocation.
10226         (gold_undefined_symbol): Change to take only a Symbol pointer
10227         and to report location as the file name associated with the symbol.
10228         * testsuite/debug_msg.sh: Update for changed error messages.
10229         * testsuite/undef_symbol.sh: Likewise.
10230
10231 2009-02-04  Duncan Sands  <baldrick@free.fr>
10232
10233         PR 9812
10234         * reduced_debug_output.h
10235         (Output_reduced_debug_abbrev_section::failed): Use format for
10236         gold_warning.
10237         (Output_reduced_debug_info_section::faild): Likewise.
10238
10239 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10240
10241         * script.cc (Lazy_demangler): New class.
10242         (Version_script_info::get_symbol_version_helper): Demangle a
10243         symbol only once.
10244
10245 2009-01-29  Cary Coutant  <ccoutant@google.com>
10246
10247         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10248         to __tls_get_addr.
10249         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10250
10251 2009-01-28  Ian Lance Taylor  <iant@google.com>
10252
10253         * version.cc (version_string): Bump to 1.9.
10254
10255         * gold.h: Include <cstring> and <stdint.h>.
10256         * version.cc: Include <cstdio>.
10257         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10258         warning.
10259         * reduced_debug_output.cc (insert_into_vector): Rename from
10260         Insert_into_vector; change all callers.  Use Swap_unaligned to
10261         avoid aliasing issue; remove union since it is unnecessary.
10262
10263 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10264
10265         * Makefile.am (CCFILES): Add gc.cc.
10266         (HFILES): Add gc.h.
10267         * Makefile.in: Regenerate.
10268         * gold.cc (Gc_runner): New class.
10269         (queue_initial_tasks): Call garbage collection related tasks
10270         when corresponding options are invoked.
10271         (queue_middle_gc_tasks): New function.
10272         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10273         processed early before laying out sections during garbage collection.
10274         * gold.h (queue_middle_gc_tasks): New function.
10275         (is_prefix_of): Move from "layout.cc".
10276         * i386.cc (Target_i386::gc_process_relocs): New function.
10277         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10278         * main.cc (main): Create object of class "Garbage_collection".
10279         * object.cc (Relobj::copy_symbols_data): New function.
10280         (Relobj::is_section_name_included): New function.
10281         (Sized_relobj::do_layout): Allow this function to be called twice
10282         during garbage collection and defer layout of section during the
10283         first call.
10284         * object.h (Relobj::get_symbols_data): New function.
10285         (Relobj::is_section_name_included): New function.
10286         (Relobj::copy_symbols_data): New function.
10287         (Relobj::set_symbols_data): New function.
10288         (Relobj::get_relocs_data): New function.
10289         (Relobj::set_relocs_data): New function.
10290         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10291         (Relobj::gc_process_relocs): New function.
10292         (Relobj::do_gc_process_relocs): New pure virtual function.
10293         (Relobj::sd_): New data member.
10294         (Sized_relobj::is_output_section_offset_invalid): New function.
10295         (Sized_relobj::do_gc_process_relocs): New function.
10296         * options.h (General_options::gc_sections): Modify to not be a no-op.
10297         (General_options::print_gc_sections): New option.
10298         * plugin.cc (Plugin_finish::run): Remove function call to
10299         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10300         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10301         * reloc.cc (Read_relocs::run): Add task to process relocs and
10302         determine unreferenced sections when doing garbage collection.
10303         (Gc_process_relocs): New class.
10304         (Sized_relobj::do_gc_process_relocs): New function.
10305         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10306         sections that are garbage collected.
10307         * reloc.h (Gc_process_relocs): New class.
10308         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10309         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10310         symbols whose corresponding sections are garbage collected.
10311         (Symbol_table::Symbol_table): Add new parameter for the garbage
10312         collection object.
10313         (Symbol_table::gc_mark_undef_symbols): New function.
10314         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10315         (Symbol_table::gc_mark_dyn_syms): New function.
10316         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10317         as garbage.
10318         (Symbol_table::add_from_object): Likewise.
10319         (Symbol_table::add_from_relobj): When building shared objects, do not
10320         treat externally visible symbols as garbage.
10321         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10322         table information for static and relocatable links.
10323         * symtab.h (Symbol_table::set_gc): New function.
10324         (Symbol_table::gc): New function.
10325         (Symbol_table::gc_mark_undef_symbols): New function.
10326         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10327         (Symbol_table::gc_mark_dyn_syms): New function.
10328         (Symbol_table::gc_): New data member.
10329         * target.h (Sized_target::gc_process_relocs): New pure virtual
10330         function.
10331         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10332         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10333
10334 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10335
10336         * options.h (General_options::gc_sections): Define as a no-op for now.
10337         (General_options::no_keep_memory): Ditto.
10338         (General_options::Bshareable): Define.
10339         * options.cc (General_options::finalize): Honor -Bshareable.
10340
10341 2009-01-20  Andreas Schwab  <schwab@suse.de>
10342
10343         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10344         read the value in the contents, since we don't use it.  Use the
10345         template endianness when writing.
10346         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10347
10348 2009-01-19  Andreas Schwab  <schwab@suse.de>
10349
10350         * configure.tgt (powerpc64-*): Fix targ_obj.
10351
10352 2009-01-15  Ian Lance Taylor  <iant@google.com>
10353
10354         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10355         local symbols when stripping all symbols.
10356
10357 2009-01-14  Cary Coutant  <ccoutant@google.com>
10358
10359         * output.cc (Output_reloc): Add explicit instantiations.
10360
10361 2009-01-14  Cary Coutant  <ccoutant@google.com>
10362
10363         * archive.cc (Archive::get_elf_object_for_member): Remove call
10364         to File_read::claim_for_plugin.
10365         * descriptors.cc (Descriptors::open): Remove reference to
10366         is_claimed.
10367         (Descriptors::claim_for_plugin): Remove.
10368         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10369         (Descriptors::is_claimed): Remove.
10370         (claim_descriptor_for_plugin): Remove.
10371         * fileread.cc (File_read::claim_for_plugin): Remove.
10372         * fileread.h (File_read::claim_for_plugin): Remove.
10373         (File_read::descriptor): Reopen descriptor if necessary.
10374         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10375         (Plugin_manager::all_symbols_read): Add task parameter. Change
10376         all callers.
10377         (Plugin_manager::get_input_file): New function.
10378         (Plugin_manager::release_input_file): New function.
10379         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10380         corresponding data member.
10381         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10382         and pass to base constructor. Change all callers.
10383         (get_input_file, release_input_file): New functions.
10384         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10385         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10386         (Plugin_manager::all_symbols_read): Add task parameter.
10387         (Plugin_manager::get_input_file): New function.
10388         (Plugin_manager::release_input_file): New function.
10389         (Plugin_manager::task_): New data member.
10390         (Pluginobj::Pluginobj): Add filesize parameter.
10391         (Pluginobj::filename): New function.
10392         (Pluginobj::descriptor): New function.
10393         (Pluginobj::filesize): New function.
10394         (Pluginobj::filesize_): New data member.
10395         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10396         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10397         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10398
10399         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10400         with archive libraries.
10401         * testsuite/Makefile.in: Regenerate.
10402         * testsuite/plugin_test.c (struct sym_info): New type.
10403         (get_input_file, release_input_file): New static variables.
10404         (onload): Capture new transfer vector entries.
10405         (claim_file_hook): Stop reading at end of file according to filesize.
10406         Factor out parsing of readelf output into separate function.
10407         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10408         APIs and get the source file name from the symbol table.  Convert
10409         source file name to corresponding object file name.  Print info
10410         message when adding new input files.
10411         (parse_readelf_line): New function.
10412         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10413         * testsuite/plugin_test_2.sh: Likewise.
10414         * testsuite/plugin_test_3.sh: Likewise.
10415         * testsuite/plugin_test_4.sh: New test case.
10416
10417 2009-01-07  Ian Lance Taylor  <iant@google.com>
10418
10419         * version.cc (version_string): Bump to 1.8.
10420
10421 2008-12-23  Cary Coutant  <ccoutant@google.com>
10422
10423         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10424         * plugin.cc (Plugin_manager::finish): Rename as
10425         layout_deferred_objects.  Move cleanup to separate function.
10426         (Plugin_manager::cleanup): New function.
10427         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10428         separately.
10429         * plugin.h (Plugin_manager::finish): Rename as
10430         layout_deferred_objects.
10431         (Plugin_manager::cleanup): New function.
10432         (Plugin_manager::cleanup_done): New field.
10433
10434 2008-12-23  Cary Coutant  <ccoutant@google.com>
10435
10436         * plugin.cc (is_visible_from_outside): New function.
10437         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10438         so we don't return "IR only" status for exported symbols or -r links.
10439
10440         * testsuite/Makefile.am (plugin_test_3): New test case.
10441         * testsuite/Makefile.in: Regenerate.
10442         * testsuite/plugin_test_3.sh: New file.
10443
10444 2008-12-22  Cary Coutant  <ccoutant@google.com>
10445
10446         * object.cc (Sized_relobj::layout_section): New function.
10447         (Sized_relobj::do_layout): Defer layout of input sections until after
10448         plugin has provided replacement files.
10449         (Sized_relobj::do_layout_deferred_sections): New function.
10450         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10451         (Relobj::layout_deferred_sections): New function.
10452         (Relobj::do_layout_deferred_sections): New function.
10453         (Sized_relobj::do_layout_deferred_sections): New function.
10454         (Sized_relobj::layout_section): New function.
10455         (Sized_relobj::Deferred_layout): New structure.
10456         (Sized_relobj::deferred_layout_): New field.
10457         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10458         Change all callers.  Layout deferred sections.
10459         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10460         references.
10461         (Plugin_hook::run): Move code from do_plugin_hook inline.
10462         (Plugin_hook::do_plugin_hook): Remove.
10463         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10464         (Plugin_manager::finish): Renamed, was cleanup.
10465         (Plugin_manager::should_defer_layout): New function.
10466         (Plugin_manager::add_deferred_layout_object): New function.
10467         (Plugin_manager::Deferred_layout_list): New type.
10468         (Plugin_manager::deferred_layout_objects_): New field.
10469         (Plugin_hook::do_plugin_hook): Remove.
10470
10471 2008-12-17  Ian Lance Taylor  <iant@google.com>
10472
10473         * options.h (class General_options): Add --no case for
10474         --export-dynamic.
10475
10476 2008-12-16  Cary Coutant  <ccoutant@google.com>
10477
10478         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10479         vector.
10480         (Plugin_manager::claim_file): Create plugin object even if
10481         plugin did not call the add_symbols callback.
10482         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10483         asking for more symbols than were added.
10484         * testsuite/Makefile.am (plugin_test_1): Add test case with
10485         no global symbols.
10486         (empty.syms): New target.
10487         * testsuite/Makefile.in: Regenerate.
10488         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10489         message. Don't call add_symbols if no globals.
10490         (all_symbols_read_hook): Don't provide replacement for empty
10491         claimed file.
10492
10493 2008-12-12  Ian Lance Taylor  <iant@google.com>
10494
10495         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10496         r_type == 0 for a local symbol with r_sym == 0.
10497         (scan_relocatable_relocs): Pass r_sym to
10498         local_non_section_strategy.
10499         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10500         r_sym parameter.
10501
10502         * configure.ac: Update test for TLS descriptors: they are
10503         supported as of glibc 2.9.
10504         * configure: Rebuild.
10505
10506 2008-12-11  Ian Lance Taylor  <iant@google.com>
10507
10508         PR 7091
10509         * target-reloc.h (Default_scan_relocatable_relocs): For each
10510         function, map r_type == 0 to RELOC_DISCARD.
10511
10512 2008-12-10  Cary Coutant  <ccoutant@google.com>
10513
10514         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10515         object to override a kept COMDAT group from a plugin object.
10516
10517 2008-12-09  Ian Lance Taylor  <iant@google.com>
10518
10519         PR 7088
10520         * yyscript.y (file_cmd): Handle INPUT.
10521
10522         * testsuite/initpri1.c: Change all declarations to be full
10523         prototypes by adding void, to avoid compiler warnings.
10524
10525 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10526
10527         * options.cc (General_options::parse_plugin_opt): New.
10528         (General_options::add_plugin): The argument now is just the filename.
10529         (General_options::add_plugin_option): New.
10530         * options.h (plugin_opt): New.
10531         (add_plugin): Change argument name.
10532         (add_plugin_option): New.
10533         * plugin.cc (Plugin::load): Don't parse the plugin option.
10534         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10535         (Plugin::add_option): New.
10536         (Plugin::args_): Change type.
10537         (Plugin::filename_): New.
10538         (Plugin_manager::add_plugin_option): New.
10539         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10540         * testsuite/Makefile.in: Regenerate.
10541
10542 2008-12-05  Cary Coutant  <ccoutant@google.com>
10543
10544         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10545         Handle --strip-lto-sections option.
10546         * options.h (strip_lto_sections): New option.
10547
10548 2008-12-01  Cary Coutant  <ccoutant@google.com>
10549
10550         * plugin.cc (ld_plugin_message): Change format parameter to const.
10551         Fix mismatch between new[] and delete.
10552
10553 2008-11-14  Cary Coutant  <ccoutant@google.com>
10554
10555         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10556         instead of -1U.
10557
10558 2008-11-05  Craig Silverstein  <csilvers@google.com>
10559
10560         * options.cc (General_options::parse_dynamic_list): New function.
10561         * options.h (General_options): New flags dynamic_list,
10562         dynamic_list_data, dynamic_list_cpp_new, and
10563         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10564         (General_options::in_dynamic_list): New function.
10565         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10566         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10567         (Lex::can_continue_name): Likewise.
10568         (yylex): Likewise.
10569         (read_script_file): New parameter script_options.
10570         (read_dynamic_list): New function.
10571         (Script_options::define_dynamic_list): New function.
10572         (dynamic_list_keyword_parsecodes): New variable.
10573         (dynamic_list_keywords): New variable.
10574         * script.h (Script_options::define_dynamic_list): New function
10575         prototype.
10576         (read_dynamic_list): New function prototype.
10577         * symtab.cc (strprefix): New macro.
10578         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10579         dynamic_list_data, dynamic_list_cpp_new, and
10580         dynamic_list_cpp_typeinfo.
10581         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10582         (dynamic_list_expr): New rule.
10583         (dynamic_list_nodes): Likewise.
10584         (dynamic_list_node): Likewise.
10585         * testsuite/Makefile.am (dynamic_list): New test.
10586         * testsuite/Makefile.in: Regenerated.
10587         * testsuite/dynamic_list.t: New file.
10588         * testsuite/dynamic_list.sh: New file.
10589
10590 2008-11-05  Craig Silverstein  <csilvers@google.com>
10591
10592         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10593         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10594         (t11_last): Likewise.
10595         * testsuite/ver_test_6.c (main): Likewise.
10596
10597 2008-10-07  Cary Coutant  <ccoutant@google.com>
10598
10599         * options.c (General_options::finalize): Add check for -static and
10600         -shared.
10601         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10602         is not empty.
10603
10604 2008-10-02  Cary Coutant  <ccoutant@google.com>
10605
10606         * plugin.cc (make_sized_plugin_object): Fix conditional
10607         compilation to work when not all targets are enabled.
10608
10609 2008-09-29  Cary Coutant  <ccoutant@google.com>
10610
10611         * archive.cc (Archive::get_file_and_offset): Use filename instead
10612         of name to get library path.
10613         (Archive::include_member): Unlock external member of a thin archive.
10614
10615         * testsuite/Makefile.am (TEST_AR): New variable.
10616         (thin_archive_test_1): New test.
10617         (thin_archive_test_2): New test.
10618         * testsuite/Makefile.in: Regenerate.
10619         * testsuite/thin_archive_main.cc: New file.
10620         * testsuite/thin_archive_test_1.cc: New file.
10621         * testsuite/thin_archive_test_2.cc: New file.
10622         * testsuite/thin_archive_test_3.cc: New file.
10623         * testsuite/thin_archive_test_4.cc: New file.
10624
10625 2008-09-29  Cary Coutant  <ccoutant@google.com>
10626
10627         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10628         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10629         instead of -1U.
10630         (Sized_relobj::do_finalize_local_symbols): Likewise.
10631         (Sized_relobj::map_to_kept_section): Likewise.
10632         * object.h (Sized_relobj::invalid_address): New constant.
10633         (Sized_relobj::do_output_section_offset): Check for invalid_address
10634         and return -1ULL.
10635         * output.cc (Output_reloc::local_section_offset): Use constant
10636         invalid_address instead of -1U.
10637         (Output_reloc::get_address): Likewise.
10638         (Output_section::output_address): Change -1U to -1ULL.
10639         * output.h (Output_reloc::invalid_address): New constant.
10640         * reloc.cc (Sized_relobj::write_sections): Use constant
10641         invalid_address instead of -1U.
10642         (Sized_relobj::relocate_sections): Likewise.
10643         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10644         values for merge sections.
10645         * target-reloc.h (relocate_for_relocatable): Use constant
10646         invalid_address instead of -1U.
10647
10648 2008-09-19  Cary Coutant  <ccoutant@google.com>
10649
10650         Add plugin functionality for link-time optimization (LTO).
10651         * configure.ac (plugins): Add --enable-plugins option.
10652         * configure: Regenerate.
10653         * config.in: Regenerate.
10654         * Makefile.am (LIBDL): New variable.
10655         (CCFILES): Add plugin.cc.
10656         (HFILES): Add plugin.h.
10657         (ldadd_var): Add LIBDL.
10658         * Makefile.in: Regenerate.
10659
10660         * archive.cc: Include "plugin.h".
10661         (Archive::setup): Don't preread archive symbols when using a plugin.
10662         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10663         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10664         files.
10665         (Archive::include_member): Add symbols from plugin objects.
10666         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10667         * descriptors.cc (Descriptors::open): Check for file descriptors
10668         abandoned by plugins.
10669         (Descriptors::claim_for_plugin): New function.
10670         * descriptors.h (Descriptors::claim_for_plugin): New function.
10671         (Open_descriptor::is_claimed): New field.
10672         (claim_descriptor_for_plugin): New function.
10673         * fileread.cc (File_read::claim_for_plugin): New function.
10674         * fileread.h (File_read::claim_for_plugin): New function.
10675         (File_read::descriptor): New function.
10676         * gold.cc: Include "plugin.h".
10677         (queue_initial_tasks): Add task to call plugin hooks for generating
10678         new object files.
10679         * main.cc: Include "plugin.h".
10680         (main): Load plugin libraries.
10681         * object.h (Pluginobj): Declare.
10682         (Object::pluginobj): New function.
10683         (Object::do_pluginobj): New function.
10684         (Object::set_target): New function.
10685         * options.cc: Include "plugin.h".
10686         (General_options::parse_plugin): New function.
10687         (General_options::General_options): Initialize plugins_ field.
10688         (General_options::add_plugin): New function.
10689         * options.h (Plugin_manager): Declare.
10690         (General_options): Add --plugin option.
10691         (General_options::has_plugins): New function.
10692         (General_options::plugins): New function.
10693         (General_options::add_plugin): New function.
10694         (General_options::plugins_): New field.
10695         * plugin.cc: New file.
10696         * plugin.h: New file.
10697         * readsyms.cc: Include "plugin.h".
10698         (Read_symbols::do_read_symbols): Check for archive before checking
10699         for ELF file.  Call plugin hooks to claim files.
10700         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10701         from a real object file; force override when processing replacement
10702         files.
10703         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10704         (Symbol::init_base_object): Likewise.
10705         (Symbol::init_base_output_data): Likewise.
10706         (Symbol::init_base_output_segment): Likewise.
10707         (Symbol::init_base_constant): Likewise.
10708         (Symbol::init_base_undefined): Likewise.
10709         (Symbol::output_section): Assert that object is not a plugin.
10710         (Symbol_table::add_from_pluginobj): New function.
10711         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10712         undefined.
10713         (Symbol_table::sized_write_globals): Likewise.
10714         (Symbol_table::add_from_pluginobj): Instantiate template.
10715         * symtab.h (Sized_pluginobj): Declare.
10716         (Symbol::in_real_elf): New function.
10717         (Symbol::set_in_real_elf): New function.
10718         (Symbol::in_real_elf_): New field.
10719         (Symbol_table::add_from_pluginobj): New function.
10720
10721         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10722         (LIBDL): New variable.
10723         (LDADD): Add LIBDL.
10724         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10725         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10726         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10727         (MOSTLYCLEANFILES): Likewise.
10728         * testsuite/Makefile.in: Regenerate.
10729         * testsuite/plugin_test.c: New file.
10730         * testsuite/plugin_test_1.sh: New file.
10731         * testsuite/plugin_test_2.sh: New file.
10732
10733 2008-09-16  Ian Lance Taylor  <iant@google.com>
10734
10735         * target-reloc.h (relocate_section): Check whether a symbol is
10736         defined by the ABI before reporting an undefined symbol error.
10737         * target.h (Target::is_defined_by_abi): Make parameter const.
10738         (Target::do_is_defined_by_abi): Likewise.
10739         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10740         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10741         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10742         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10743         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10744         * testsuite/Makefile.in: Rebuild.
10745
10746         * fileread.cc (make_view): Add casts to avoid warning.
10747
10748 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10749
10750         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10751         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10752
10753 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10754
10755         * options.h (General_options::output_is_executable): New.
10756         (General_options::output_is_pie): New.
10757         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10758         for shared libraries.
10759         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10760
10761 2008-09-11  Chris Demetriou  <cgd@google.com>
10762
10763         * options.h (origin): New -z option.
10764         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10765         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10766         in DT_FLAGS_1.
10767
10768 2008-09-05  Cary Coutant  <ccoutant@google.com>
10769
10770         * fileread.cc (File_read::make_view): Add check for attempt to map
10771         beyond end of file.
10772
10773 2008-09-05  Cary Coutant  <ccoutant@google.com>
10774
10775         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10776         explicit instantiations.
10777
10778 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10779
10780         PR gold/6858
10781         * options.cc (General_options::finalize): Allow undefined symbols
10782         in shlibs if linking -shared.
10783
10784         PR gold/6859
10785         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10786         symbols as not needing a dynsym entry.
10787
10788 2008-08-20  Craig Silverstein  <csilvers@google.com>
10789
10790         * fileread.cc (File_read::open): Do not lock the file unless it
10791         was successfully opened.
10792
10793 2008-08-14  Cary Coutant  <ccoutant@google.com>
10794
10795         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10796         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10797         * testsuite/tls_test.cc (struct int128): 128-bit struct
10798         for testing TLS relocs with non-zero addend.
10799         (v12): New TLS variable.
10800         (t12): New test.
10801         (t_last): Add check for v12.
10802         * testsuite/tls_test.h (t12): New function.
10803         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10804
10805 2008-08-13  Ian Lance Taylor  <iant@google.com>
10806
10807         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10808         set tls_segment_ or relro_segment_.
10809         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10810         when appropriate.
10811         * output.h (Output_section::clear_is_relro): New function.
10812         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10813         sections specially even when output_data_ is empty.
10814         (Output_segment::maximum_alignment): When first section is relro,
10815         only force alignment for PT_LOAD segments.
10816         * script.cc (script_data_segment_align): New function.
10817         (script_data_segment_relro_end): New function.
10818         * script-c.h (script_data_segment_align): Declare.
10819         (script_data_segment_relro_end): Declare.
10820         * script-sections.h (class Script_sections): Declare
10821         data_segment_align and data_segment_relro_end.  Add fields
10822         segment_align_index_ and saw_relro_end_.
10823         * script-sections.cc (class Sections_element): Add set_is_relro
10824         virtual function.  Add new bool* parameter to place_orphan_here.
10825         Add get_output_section virtual function.
10826         (class Output_section_definition): Add set_is_relro.  Add new
10827         bool* parameter to place_orphan_here.  Add get_output_section.
10828         Add is_relro_ field.
10829         (Output_section_definition::Output_section_definition): Initialize
10830         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10831         and is_relro_ fields.
10832         (Output_section_definition::place_orphan_here): Add is_relro
10833         parameter.
10834         (Output_section_definition::set_section_addresses): Set relro for
10835         output section.
10836         (Output_section_definition::alternate_constraint): Likewise.
10837         (class Orphan_output_section): Add new bool* parameter to
10838         place_orphan_here.  Add get_output_section.
10839         (Orphan_output_section::place_orphan_here): Add is_relro
10840         parameter.
10841         (Script_sections::Script_sections): Initialize
10842         data_segment_align_index_ and saw_relro_end_.
10843         (Script_sections::data_segment_align): New function.
10844         (Script_sections::data_segment_relro_end): New function.
10845         (Script_sections::place_orphan): Set or clear is_relro.
10846         (Script_sections::set_section_addresses): Force alignment of first
10847         TLS section.
10848         * yyscript.y (exp): Call script_data_segment_align and
10849         script_data_segment_relro_end.
10850         * testsuite/relro_script_test.t: New file.
10851         * testsuite/relro_test.cc (using_script): Declare.
10852         (t1, t2): Test using_script.
10853         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10854         (relro_script_test_SOURCES): Define.
10855         (relro_script_test_DEPENDENCIES): Define.
10856         (relro_script_test_LDFLAGS): Define.
10857         (relro_script_test_LDADD): Define.
10858         (relro_script_test.so): New target.
10859         * testsuite/Makefile.in: Rebuild.
10860
10861 2008-08-06  Cary Coutant <ccoutant@google.com>
10862
10863         * archive.cc (Archive::total_archives, Archive::total_members)
10864         (Archive::total_members_loaded): New variables.
10865         (Archive::setup): Add parameter.  Add option to preread
10866         archive symbols.
10867         (Archive::read_armap): Add counter.
10868         (Archive::get_file_and_offset): New function.
10869         (Archive::get_elf_object_for_member): New function.
10870         (Archive::read_all_symbols): New function.
10871         (Archive::read_symbols): New function.
10872         (Archive::add_symbols): Add counters.
10873         (Archive::include_all_members): Use armap to find members if it's
10874         already built.
10875         (Archive::include_member): Skip reading symbols if already read.
10876         Factored code into Archive::get_file_and_offset and
10877         Archive::get_elf_object_for_member.  Changed call to
10878         Mapfile::report_include_archive_member.
10879         (Archive::print_stats): New function.
10880         * archive.h: Declare Object and Read_symbols_data classes.
10881         (Archive::Archive): Add initializers for new members.
10882         (Archive::setup): Add parameter.
10883         (Archive::print_stats): New function.
10884         (Archive::total_archives, Archive::total_members)
10885         (Archive::total_members_loaded): New variables.
10886         (Archive::get_file_and_offset): New function.
10887         (Archive::get_elf_object_for_member): New function.
10888         (Archive::read_all_symbols): New function.
10889         (Archive::read_symbols): New function.
10890         (Archive::Archive_member): New class.
10891         (Archive::members_): New member.
10892         (Archive::num_members_): New member.
10893         * main.cc: Include archive.h.
10894         (main): Call Archive::print_stats.
10895         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10896         archive parameter; member_name is now the fully-decorated name.
10897         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10898         * options.h: (General_options): Add --preread-archive-symbols option.
10899         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10900         Archive::setup.
10901
10902 2008-08-04  Ian Lance Taylor  <iant@google.com>
10903
10904         * symtab.h (Symbol::use_plt_offset): New function.
10905         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10906         * powerpc.cc (Relocate::relocate): Likewise.
10907         * sparc.cc (Relocate::relocate): Likewise.
10908         * x86_64.cc (Relocate::relocate): Likewise.
10909         * testsuite/weak_plt.sh: New test.
10910         * testsuite/weak_plt_main.cc: New test.
10911         * testsuite/weak_plt_shared.cc: New test.
10912         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10913         (check_PROGRAMS): Add weak_plt.
10914         (check_DATA): Add weak_plt_shared.so.
10915         (weak_plt_main_pic.o, weak_plt): New targets.
10916         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10917         * testsuite/Makefile.in: Rebuild.
10918
10919         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10920         gcctestdir/ld.
10921         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10922         * testsuite/Makefile.in: Rebuild.
10923
10924 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10925
10926         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10927         * Makefile.in: Regenerate.
10928         * po/POTFILES.in: Regenerate.
10929
10930 2008-07-29  Ian Lance Taylor  <iant@google.com>
10931
10932         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10933         symbols before other symbols.
10934         * testsuite/script_test_2.cc (test_addr): Declare.
10935         (test_addr_alias): Declare.
10936         (main): Check that test_addr and test_addr_alias have the right
10937         values.
10938         * testsuite/script_test_2.t: Define test_addr_alias and
10939         test_addr.
10940
10941 2008-07-24  Ian Lance Taylor  <iant@google.com>
10942
10943         PR 5990
10944         * descriptors.cc: New file.
10945         * descriptors.h: New file.
10946         * gold-threads.h (class Hold_optional_lock): New class.
10947         * fileread.cc: Include "descriptors.h".
10948         (File_read::~File_read): Release descriptor rather than closing
10949         it.
10950         (File_read::open) [file]: Call open_descriptor rather than open.
10951         Set is_descriptor_opened_.
10952         (File_read::open) [memory]: Assert that descriptor is not open.
10953         (File_read::reopen_descriptor): New function.
10954         (File_read::release): Release descriptor.
10955         (File_read::do_read): Make non-const.  Reopen descriptor.
10956         (File_read::read): Make non-const.
10957         (File_read::make_view): Reopen descriptor.
10958         (File_read::do_readv): Likewise.
10959         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10960         Update declarations.
10961         * layout.cc: Include "descriptors.h".
10962         (Layout::create_build_id): Use open_descriptor rather than open.
10963         * output.cc: Include "descriptors.h".
10964         (Output_file::open): Use open_descriptor rather than open.
10965         * archive.cc (Archive::const_iterator): Change Archive to be
10966         non-const.
10967         (Archive::begin, Archive::end): Make non-const.
10968         (Archive::count_members): Likewise.
10969         * archive.h (class Archive): Update declarations.
10970         * object.h (Object::read): Make non-const.
10971         * Makefile.am (CCFILES): Add descriptors.cc.
10972         (HFILES): Add descriptors.h.
10973         * Makefile.in: Rebuild.
10974
10975         PR 6716
10976         * gold.h: Always include <clocale>.  Add Solaris workarounds
10977         following code in binutils/sysdep.h.
10978
10979         PR 6048
10980         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10981         this->eh_frame_hdr_ is NULL before using it.
10982
10983         * dynobj.cc (Versions::Versions): Update comment.
10984
10985         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10986         the base version name.
10987
10988         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10989         array size plus one.
10990         (Stringpool_template::set_string_offsets): Subtract one from key
10991         before using it as an array index.
10992         (Stringpool_template::get_offset_with_length): Likewise.
10993         (Stringpool_template::write_to_buffer): Likewise.
10994         * stringpool.h (Stringpool_template::get_offset_from_key):
10995         Likewise.
10996
10997 2008-07-23  Ian Lance Taylor  <iant@google.com>
10998
10999         PR 6658
11000         * object.h (Merged_symbol_value::value): Do our best to handle a
11001         negative addend.
11002
11003         PR 6647
11004         * script.cc (Version_script_info::get_versions): Don't add empty
11005         version tag to return value.
11006         (Version_script_info::get_symbol_version_helper): Change return
11007         type to bool.  Add pversion parameter.  Change all callers.
11008         (script_register_vers_node): Don't require a non-NULL tag.
11009         * script.h (class Version_script_info): Update declarations.
11010         (Version_script_info::get_symbol_version): Change return type to
11011         bool.  Add version parameter.  Change all callers.
11012         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11013         handling.  Handle an empty version from a version script.
11014         (Symbol_table::define_special_symbol): Likewise.
11015         * testsuite/ver_test_10.script: New file.
11016         * testsuite/ver_test_10.sh: New file.
11017         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11018         (check_DATA): Add ver_test_10.syms.
11019         (ver_test_10.syms, ver_test_10.so): New target.
11020         * testsuite/Makefile.in: Rebuild.
11021
11022 2008-07-23  Simon Baldwin  <simonb@google.com>
11023
11024         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11025         to zero for undefined symbols from dynamic libraries.
11026
11027 2008-07-23  Ian Lance Taylor  <iant@google.com>
11028
11029         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11030         Change all callers.
11031         * symtab.h (class Symbol_table): Update declaration.
11032         * testsuite/ver_test_9.cc: New file.
11033         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11034         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11035         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11036         (ver_test_9.so, ver_test_9.o): New targets.
11037         * testsuite/Makefile.in: Rebuild.
11038
11039 2008-07-22  Ian Lance Taylor  <iant@google.com>
11040
11041         * options.h (class General_options): Define --check-sections.
11042         * layout.cc (Layout::set_segment_offsets): Handle
11043         --check-sections.
11044
11045         * options.h (class General_options): Define -n/--nmagic and
11046         -N/--omagic.
11047         * options.cc (General_options::finalize): For -n/--nmagic or
11048         -N/--omagic, set -static.
11049         * layout.cc (Layout::attach_allocated_section_to_segment): If
11050         -N/--omagic, don't put read-only and read-write sections in
11051         different segments.
11052         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11053         finding a read-only segment.
11054         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11055         don't set the minimum segment alignment to the common page size,
11056         and don't set the file offset to the address modulo the page size.
11057         * script-sections.cc (Script_sections::create_segments): If
11058         -n/--omagic, don't put read-only and read-write sections in
11059         different segments.
11060
11061         * cref.cc: New file.
11062         * cref.h: New file.
11063         * options.h (class General_options): Add --print-symbol-counts.
11064         * main.cc (main): Issue defined symbol report if requested.
11065         * archive.cc (Archive::interpret_header): Make into a const member
11066         function.
11067         (Archive::add_symbols): Call Input_objects::archive_start and
11068         archive_stop.
11069         (Archive::const_iterator): Define new class.
11070         (Archive::begin, Archive::end): New functions.
11071         (Archive::include_all_members): Rewrite to use iterator.
11072         (Archive::count_members): New function.
11073         * archive.h (class Archive): Update declarations.
11074         (Archive::filename): New function.
11075         * object.cc: Include "cref.h".
11076         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11077         (Sized_relobj::do_get_global_symbol_counts): New function.
11078         (Input_objects::add_object): Add object to cross-referencer.
11079         (Input_objects::archive_start): New function.
11080         (Input_objects::archive_stop): New function.
11081         (Input_objects::print_symbol_counts): New function.
11082         * object.h: Declare Cref and Archive.
11083         (Object::get_global_symbol_counts): New function.
11084         (Object::do_get_global_symbol_counts): New pure virtual function.
11085         (class Sized_relobj): Add defined_count_ field.  Update
11086         declarations.
11087         (class Input_objects): Add cref_ field.  Update constructor.
11088         Update declarations.
11089         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11090         defined_count_.
11091         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11092         symbol counts.
11093         (Sized_dynobj::do_get_global_symbol_counts): New function.
11094         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11095         defined_count_.  Update declarations.  Define Symbols typedef.
11096         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11097         parameter.  Change all callers.
11098         (Symbol_table::add_from_dynobj): Add sympointers and defined
11099         parameters.  Change all callers.
11100         * symtab.h (class Symbol_table): Update declarations.
11101         * Makefile.am (CCFILES): Add cref.cc.
11102         (HFILES): Add cref.h.
11103         * Makefile.in: Rebuild.
11104
11105 2008-07-22  Simon Baldwin  <simonb@google.com>
11106
11107         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11108         to zero when writing undefined symbols.
11109
11110 2008-07-22  Ian Lance Taylor  <iant@google.com>
11111
11112         * output.cc (Output_section::add_input_section): Don't try to
11113         merge empty merge sections.
11114
11115 2008-07-21  Craig Silverstein  <csilvers@google.com>
11116
11117         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11118         Include symbol version in error message.
11119
11120 2008-07-20  Chris Demetriou  <cgd@google.com>
11121
11122         * configure.ac (gold_cv_c_random_seed): New configured variable.
11123         (RANDOM_SEED_CFLAGS): New substituted variable.
11124         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11125         * configure: Rebuild.
11126         * Makefile.in: Likewise.
11127         * testsuite/Makefile.in: Likewise.
11128
11129 2008-07-18  Ian Lance Taylor  <iant@google.com>
11130
11131         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11132         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11133         * testsuite/ver_test_main.cc (main): Call t4.
11134         (t4, t4_2a): Define.
11135         * testsuite/ver_test_2.cc (t4_2): Define.
11136         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11137         * testsuite/ver_test_4.cc (t4_2a): Define.
11138         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11139         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11140
11141 2008-07-17  Ian Lance Taylor  <iant@google.com>
11142
11143         * dynobj.cc (Versions::add_def): If we give an error about a
11144         missing version, go ahead and create the version anyhow.
11145
11146 2008-07-10  Ian Lance Taylor  <iant@google.com>
11147
11148         Handle output sections with more than 0x7fffffff bytes.
11149         * object.h (class Relobj): Change map_to_output_ to
11150         output_sections_, and just keep a section pointer.  Change all
11151         uses.  Move comdat group support to Sized_relobj.
11152         (Relobj::is_section_specially_mapped): Remove.
11153         (Relobj::output_section): Remove poff parameter.  Change all
11154         callers.
11155         (Relobj::output_section_offset): New function.
11156         (Relobj::set_section_offset): Rewrite.
11157         (Relobj::map_to_output): Remove.
11158         (Relobj::output_sections): New function.
11159         (Relobj::do_output_section_offset): New pure virtual function.
11160         (Relobj::do_set_section_offset): Likewise.
11161         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11162         group support from Relobj.  Update declarations.
11163         (Sized_relobj::get_output_section_offset): New function.
11164         (Sized_relobj::do_output_section_offset): New function.
11165         (Sized_relobj::do_set_section_offset): New function.
11166         * object.cc (Relobj::output_section_address): Remove.
11167         (Sized_relobj::Sized_relobj): Initialize new fields.
11168         (Sized_relobj::include_section_group): Cast find_kept_object to
11169         Sized_relobj.
11170         (Sized_relobj::include_linkonce_section): Likewise.
11171         (Sized_relobj::do_layout): Use separate arrays for output section
11172         and output offset.
11173         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11174         output_sections.
11175         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11176         output_sections and section_offsets.
11177         (Sized_relobj::write_local_symbols): Likewise.
11178         (map_to_kept_section): Compute output address directly.
11179         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11180         output_sections and section_offsets.
11181         (Sized_relobj::write_sections): Likewise.
11182         (Sized_relobj::relocate_sections): Likewise.
11183         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11184         * output.h (class Output_reloc): Update declarations.  Change
11185         u2_.relobj to Sized_relobj*.
11186         (class Output_data_reloc): Change add functions to use
11187         Sized_relobj*.
11188         * output.cc (Output_reloc::Output_reloc): Change relobj to
11189         Sized_relobj*.
11190         (Output_reloc::local_section_offset): Change return type to
11191         Elf_Addr.  Use get_output_section_offset.
11192         (Output_reloc::get_address): Likewise.
11193         (Output_section::is_input_address_mapped): Don't call
11194         is_section_specially_mapped.
11195         (Output_section::output_offset): Likewise.
11196         (Output_section::output_address): Likewise.
11197         (Output_section::starting_output_address): Likewise.
11198         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11199         parameter to Sized_relobj*.
11200         (Copy_relocs::need_copy_reloc): Likewise.
11201         (Copy_relocs::save): Likewise.
11202         * copy-relocs.h (class Copy_relocs): Update declarations.
11203         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11204         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11205         * target-reloc.h (relocate_for_relocatable): Change
11206         offset_in_output_section type to Elf_Addr.  Change code that uses
11207         it as well.
11208         * layout.cc (Layout::layout): Always set *off.
11209         * mapfile.cc (Mapfile::print_input_section): Use
11210         output_section_offset.
11211         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11212         Sized_relobj*.
11213         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11214         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11215         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11216
11217 2008-07-03  Ian Lance Taylor  <iant@google.com>
11218
11219         * layout.cc (Layout::include_section): Do not discard unrecognized
11220         SHT_STRTAB sections.
11221
11222 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11223
11224         * script.cc (Lex::can_continue_name): Make '?' allowable in
11225         version-script names.
11226         * testsuite/version_script.map: Change glob pattern to use '?'
11227
11228 2008-06-30  Manish Singh  <yosh@gimp.org>
11229
11230         PR 6585
11231         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11232         Correct typo.
11233
11234 2008-06-30  Ian Lance Taylor  <iant@google.com>
11235
11236         PR 6660
11237         PR 6682
11238         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11239         versions]: Don't try to read the value in the contents, since we
11240         don't use it.  Use the template endianness when writing.
11241
11242 2008-06-25  Cary Coutant  <ccoutant@google.com>
11243
11244         * fileread.cc (File_read::make_view): Assert on zero-length view.
11245         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11246         symbol table when there are no symbols to read.
11247
11248 2008-06-23  Craig Silverstein  <csilvers@google.com>
11249
11250         * version.cc (version_string): Bump to 1.7
11251
11252 2008-06-18  Craig Silverstein  <csilvers@google.com>
11253
11254         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11255         constant 0xFFFF to type Valtype.
11256         (Powerpc_relocate_functions::rel16_ha): Likewise.
11257
11258 2008-06-17  Ian Lance Taylor  <iant@google.com>
11259
11260         * output.h (Output_section::Input_section): Initialize p2align_ to
11261         zero for Output_section_data constructors.
11262         (Output_section::Input_section::addralign): If not an input
11263         section, return the alignment of the Output_section_data.
11264         * testsuite/copy_test.cc: New file.
11265         * testsuite/copy_test_1.cc: New file.
11266         * testsuite/copy_test_2.cc: New file.
11267         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11268         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11269         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11270         (copy_test_1_pic.o, copy_test_1.so): New targets.
11271         (copy_test_2_pic.o, copy_test_2.so): New targets.
11272         * testsuite/Makefile.in: Rebuild.
11273
11274         * script-sections.cc (Script_sections::place_orphan): Initialize
11275         local variable exact.
11276
11277 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11278
11279         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11280
11281 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11282             David S. Miller  <davem@davemloft.net>
11283
11284         * powerpc.cc: New file.
11285         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11286         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11287         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11288         * Makefile.in: Rebuild.
11289
11290 2008-06-09  Ian Lance Taylor  <iant@google.com>
11291
11292         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11293         <exception>.
11294         (throwing, orig_terminate): New static variables.
11295         (terminate_handler): New static function.
11296         (t2): Set terminate handler.
11297
11298 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11299
11300         PR 6584
11301         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11302         alignment.
11303
11304 2008-05-30  Cary Coutant  <ccoutant@google.com>
11305
11306         * archive.cc (Archive::include_all_members) Correct to step
11307         over symbol table and extended name table in thin archives.
11308
11309 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11310
11311         PR 6407
11312         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11313         calculation.
11314
11315 2008-05-28  Caleb Howe  <cshowe@google.com>
11316
11317         * reduced_debug_output.cc: New file.
11318         * reduced_debug_output.h: New file.
11319         * options.h (class General_options): Add --strip-debug-non-line.
11320         * options.cc (General_options::finalize): Add strip_debug_non_line
11321         to the strip heirarchy.
11322         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11323         fields.
11324         * layout.cc: Include "reduced_debug_output.h".
11325         (Layout::Layout): Initialize new fields.
11326         (line_only_debug_sections): New static array.
11327         (is_lines_only_debug_sections): New static inline function.
11328         (Layout::include_section): Handle --strip-debug-non-line.
11329         (Layout::make_output_section): If --strip-debug-non-line, build
11330         new output sections for .debug_abbrev and .debug_info.
11331         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11332         gold.  Warn about possible overflow.
11333         (read_signed_LEB_128): Likewise.
11334         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11335         (read_signed_LEB_128): Declare.
11336         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11337         (HFILES): Add reduced_debug_output.h.
11338         * Makefile.in: Rebuild.
11339
11340 2008-05-21  Ian Lance Taylor  <iant@google.com>
11341
11342         * mapfile.cc: New file.
11343         * mapfile.h: New file.
11344         * options.h (class General_options): Add -M/--print-map and -Map.
11345         * options.cc (General_options::finalize): Make -M equivalent to
11346         -Map -.
11347         * main.cc: Include <cstdio> and "mapfile.h".
11348         (main): Open mapfile if requested.
11349         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11350         constructor.  Change caller.
11351         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11352         (queue_middle_tasks): Likewise.
11353         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11354         declarations.
11355         * archive.cc: Include "mapfile.h".
11356         (Archive::add_symbols): Add mapfile parameter.  Change all
11357         callers.  Pass mapfile, symbol, and reason to include_member.
11358         (Archive::include_all_members): Add mapfile parameter.  Change all
11359         callers.
11360         (Archive::include_member): Add mapfile, sym, and why parameters.
11361         Change all callers.  Report inclusion to map file.
11362         * archive.h: Include "fileread.h".
11363         (class Archive): Update declarations.
11364         (Archive::file): New const method.
11365         (class Add_archive_symbols): Add mapfile_ field.  Update
11366         constructor.  Change all callers.
11367         * readsyms.h (class Read_symbols): Likewise.
11368         (class Finish_group): Likewise.
11369         (class Read_script): Likewise.
11370         * common.cc: Include "mapfile.h".
11371         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11372         all callers.
11373         (Symbol_table::do_allocate_commons): Likewise.
11374         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11375         symbol allocation to mapfile.
11376         * common.h (class Allocate_commons_task): Add mapfile_ field.
11377         Update constructor.  Change all callers.
11378         * symtab.h (class Symbol_table): Update declarations.
11379         * layout.cc: Include "mapfile.h".
11380         (Layout_task_runner::run): Print information to mapfile.
11381         (Layout::create_gold_note): Change Output_data_fixed_space to
11382         Output_data_zero_fill.
11383         (Layout::create_build_id): Likewise.
11384         (Layout::print_to_mapfile): New function.
11385         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11386         constructor.  Change caller.
11387         (class Layout): Declare print_to_mapfile.
11388         * output.cc (Output_section::Input_section::print_to_mapfile): New
11389         function.
11390         (Output_section::add_input_section): If producing a map, always
11391         add to input_sections_ list.
11392         (Output_section::do_print_to_mapfile): New function.
11393         (Output_segment::print_sections_to_mapfile): New function.
11394         (Output_segment::print_section_list_to_mapfile): New function.
11395         * output.h: Include "mapfile.h".
11396         (Output_data::print_to_mapfile): New function.
11397         (Output_data::do_print_to_mapfile): New virtual function.
11398         (Output_segment_headers::do_print_to_mapfile): New function.
11399         (Output_file_header::do_print_to_mapfile): New function.
11400         (Output_data_const::do_print_to_mapfile): New function.
11401         (class Output_data_const_buffer): Add map_name_ field.  Update
11402         constructor.  Change all callers.  Add do_print_to_mapfile
11403         function.
11404         (class Output_data_fixed_space): Likewise.
11405         (class Output_data_space): Likewise.
11406         (class Output_data_zero_fill): New class.
11407         (Output_data_strtab::do_print_to_mapfile): New function.
11408         (Output_data_reloc_base::do_print_to_mapfile): New function.
11409         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11410         (Output_data_group::do_print_to_mapfile): New function.
11411         (Output_data_got::do_print_to_mapfile): New function.
11412         (Output_data_dynamic::do_print_to_mapfile): New function.
11413         (Output_symtab_xindex::do_print_to_mapfile): New function.
11414         (class Output_section): Declare do_print_to_mapflie.  Declare
11415         print_to_mapfile in Input_section.
11416         (class Output_segment): Declare new functions.
11417         * object.h (Sized_relobj::symbol_count): New function.
11418         * script-sections.cc
11419         (Output_section_element_dot_assignment::set_section_addresses):
11420         Change Output_data_fixed_space to Output_data_zero_fill.
11421         (Output_data_expression::do_print_to_mapfile): New function.
11422         * script.cc (read_input_script): Add mapfile parameter.  Change
11423         all callers.
11424         * script.h (read_input_script): Update declaration.
11425         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11426         (Eh_frame::do_print_to_mapfile): New function.
11427         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11428         (Output_merge_string::do_print_to_mapfile): New function.
11429         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11430         function.
11431         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11432         function.
11433         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11434         function.
11435         * Makefile.am (CCFILES): Add mapfile.cc.
11436         (HFILES): Add mapfile.h.
11437         * Makefile.in: Rebuild.
11438
11439 2008-05-19  Ian Lance Taylor  <iant@google.com>
11440
11441         * options.h (class General_options): Add -z relro.
11442         * layout.cc (Layout::Layout): Initialize relro_segment_.
11443         (Layout::add_output_section_data): Return the output section.
11444         (Layout::make_output_section): Rcognize relro sections and mark
11445         them appropriately.
11446         (Layout::attach_allocated_section_to_segment): Put relro sections
11447         in a PT_GNU_RELRO segment.
11448         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11449         section as relro.
11450         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11451         PT_TLS segments.
11452         (Layout::linkonce_mapping): Map d.rel.ro.local to
11453         .data.rel.ro.local.
11454         (Layout::output_section_name): Us .data.rel.ro.local for any
11455         section which begins with that.
11456         * layout.h (class Layout): Update add_output_section_data
11457         declaration.  Add relro_segment_ field.
11458         * output.cc (Output_section::Output_section): Initialize is_relro_
11459         and is_relro_local_ fields.
11460         (Output_segment::add_output_section): Group relro sections.
11461         (Output_segment::is_first_section_relro): New function.
11462         (Output_segment::maximum_alignment): If there is a relro section,
11463         align the segment to the common page size.
11464         (Output_segment::set_section_addresses): Track whether we are
11465         looking at relro sections.  If the last section is a relro
11466         section, align to the common page size.
11467         (Output_segment::set_section_list_addresses): Add in_relro
11468         parameter.  Change all callers.  Align to the page size when
11469         moving from relro to non-relro section.
11470         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11471         segment.
11472         * output.h (class Output_section): Add is_relro_ and
11473         is_relro_local_ fields.
11474         (Output_section::is_relro): New function.
11475         (Output_section::set_is_relro): New function.
11476         (Output_section::is_relro_local): New function.
11477         (Output_section::set_is_relro_local): New function.
11478         (class Output_segment): Update declarations.
11479         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11480         * sparc.cc (Target_sparc::got_section): Likewise.
11481         * x86_64.cc (Target_x86_64::got_section): Likewise.
11482         * testsuite/relro_test_main.cc: New file.
11483         * testsuite/relro_test.cc: New file.
11484         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11485         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11486         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11487         (relro_test.so, relro_test_pic.o): New targets.
11488         * testsuite/Makefile.in: Rebuild.
11489
11490 2008-05-16  Ian Lance Taylor  <iant@google.com>
11491
11492         * output.cc (Output_segment::add_output_section): Remove front
11493         parameter.
11494         * output.h (class Output_segment): Remove
11495         add_initial_output_section and overloaded add_output_section.
11496         Update declaration of remaining add_output_section.
11497         * layout.cc (Layout::create_interp): Call add_output_section
11498         rather than add_initial_output_section.
11499         (Layout::finish_dynamic_section): Likewise.
11500
11501         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11502         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11503         know the dynamic type.
11504         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11505         field.  Initialize it in constructor.
11506         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11507         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11508         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11509         reloc.
11510
11511         * output.cc (Output_reloc::get_address): Change return type to
11512         Elf_Addr.
11513         * output.h (class Output_reloc): Update get_address declaration.
11514         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11515         for section addresses.
11516
11517 2008-05-09  Ian Lance Taylor  <iant@google.com>
11518
11519         PR 6493
11520         * gold.cc (gold_nomem): Use return value of write.
11521
11522 2008-05-08  Ian Lance Taylor  <iant@google.com>
11523
11524         * symtab.c (Symbol::init_base_output_data): Add version
11525         parameter.  Change all callers.
11526         (Symbol::init_base_output_segment): Likewise.
11527         (Symbol::init_base_constant): Likewise.
11528         (Symbol::init_base_undefined): Likewise.
11529         (Sized_symbol::init_output_data): Likewise.
11530         (Sized_symbol::init_output_segment): Likewise.
11531         (Sized_symbol::init_constant): Likewise.
11532         (Sized_symbol::init_undefined): Likewise.
11533         (Symbol_table::do_define_in_output_data): If the new symbol has a
11534         version, mark it as the default.
11535         (Symbol_table::do_define_in_output_segment): Likewise.
11536         (Symbol_table::do_define_as_constant): Likewise.
11537         * symtab.h (class Symbol): Update declarations.
11538         (class Sized_symbol): Likewise.
11539         * resolve.cc (Symbol::override_version): New function.
11540         (Symbol::override_base): Call override_version.
11541         (Symbol::override_base_with_special): Likewise.
11542         * testsuite/ver_script_8.script: New file.
11543         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11544         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11545         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11546         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11547
11548 2008-05-06  Ian Lance Taylor  <iant@google.com>
11549
11550         PR 6049
11551         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11552         functions.
11553         (class General_options): Remove existing --undefined, and add
11554         --no-undefined instead.  Add new --undefined as synonym for -u.
11555         * archive.cc (Archive::add_symbols): Check whether symbol was
11556         named with -u.
11557         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11558         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11559         all uses.  Add IS_UNDEFINED.  Update declarations to split
11560         different versions of init_base.  Declare init_base_undefined.
11561         (Symbol::is_defined): Handle IS_UNDEFINED.
11562         (Symbol::is_undefined): Likewise.
11563         (Symbol::is_weak_undefined): Call is_undefined.
11564         (Symbol::is_absolute): Handle IS_CONSTANT.
11565         (class Sized_symbol): Update declarations to split different
11566         versions of init.  Declare init_undefined.
11567         (class Symbol_table): Declare new functions.
11568         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11569         Change all callers.
11570         (Symbol::init_base_output_data): Likewise.
11571         (Symbol::init_base_output_segment): Likewise.
11572         (Symbol::init_base_constant): Likewise.
11573         (Symbol::init_base_undefined): New function.
11574         (Sized_symbol::init_object): Rename from init.  Change all
11575         callers.
11576         (Sized_symbol::init_output_data): Likewise.
11577         (Sized_symbol::init_output_segment): Likewise.
11578         (Sized_symbol::init_constant): Likewise.
11579         (Sized_symbol::init_undefined): New function.
11580         (Symbol_table::add_undefined_symbols_from_command_line): New
11581         function.
11582         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11583         function.
11584         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11585         (Symbol::output_section): Likewise.
11586         (Symbol::set_output_section): Likewise.
11587         (Symbol_table::sized_finalize_symbol): Likewise.
11588         (Symbol_table::sized_write_globals): Likewise.
11589         * resolve.cc (Symbol_table::should_override): Likewise.
11590         (Symbol::override_base_with_special): Likewise.
11591
11592         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11593         symbol, change it to have default visibility.
11594         * testsuite/protected_1.cc: New file.
11595         * testsuite/protected_2.cc: New file.
11596         * testsuite/protected_3.cc: New file.
11597         * testsuite/protected_main_1.cc: New file.
11598         * testsuite/protected_main_2.cc: New file.
11599         * testsuite/protected_main_3.cc: New file.
11600         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11601         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11602         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11603         (protected_1.so): New target.
11604         (protected_1_pic.o, protected_2_pic.o): New targets.
11605         (protected_3_pic.o): New target.
11606         (check_PROGRAMS): Add protected_2.
11607         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11608         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11609         * testsuite/Makefile.in: Rebuild.
11610
11611         * options.h (DEFINE_var): Add set_user_set_##varname__.
11612         (DEFINE_bool_alias): New macro.
11613         (class General_options): Define -Bstatic using DEFINE_bool_alias
11614         rather than DEFINE_special.  Add --undefined as an alias for -z
11615         defs.
11616         * options.cc (General_options::parse_Bstatic): Remove.
11617
11618         * options.h (class General_options): Add --fatal-warnings.
11619         * main.cc (main): Implement --fatal-warnings.
11620         * errors.h (Errors::warning_count): New function.
11621
11622         * options.h (class General_options): Add -Bsymbolic-functions.
11623         * symtab.h (Symbol::is_preemptible): Check for
11624         -Bsymbolic-functions.
11625
11626 2008-05-05  Ian Lance Taylor  <iant@google.com>
11627
11628         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11629         as noVARNAME rather than no-VARNAME.
11630         (class General_options): Add option -z combreloc.
11631         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11632         get_address.
11633         (Output_reloc::sort_before) [SHT_REL]: New function.
11634         (Output_reloc::sort_before) [SHT_RELA]: New function.
11635         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11636         Sort_relocs_comparison.
11637         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11638         parameter.  Change all callers.
11639         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11640         sort_relocs parameter.  Change all callers.
11641         * output.cc (Output_reloc::get_address): New function, broken out
11642         of write_rel.
11643         (Output_reloc::write_rel): Call it.
11644         (Output_reloc::compare): New function.
11645         (Output_data_reloc_base::do_write): Optionally sort relocs.
11646
11647         * configure.ac: If targ_extra_obj is set, link it in.
11648         * configure.tgt: Initialize all variables.
11649         (x86_64*): Set targ_extra_obj and targ_extra_size.
11650         * configure: Rebuild.
11651
11652         * object.cc (Sized_relobj::include_section_group): Adjust section
11653         indexes read from group data.  Build vector to pass to
11654         layout_group.
11655         * layout.cc (Layout::layout_group): Add flags and shndxes
11656         parameters.  Remove contents parameter.  Change caller.  Update
11657         explicit instantiations.
11658         * layout.h (class Layout): Update layout_group declaration.
11659         * output.cc (Output_data_group::Output_data_group): Add flags and
11660         input_shndxes parameters.  Remove contents parameter.  Change
11661         caller.
11662         (Output_data_group::do_write): Change input_sections_ to
11663         input_shndxes_.
11664         * output.h (class Output_data_group): Update constructor
11665         declaration.  Rename input_sections_ to input_shndxes_.
11666         * testsuite/many_sections_test.cc: Add template.
11667
11668 2008-04-30  Cary Coutant  <ccoutant@google.com>
11669
11670         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11671
11672         * layout.cc (Layout::include_section): Refactored check for debug
11673         info section.
11674         (Layout::add_comdat): Add new parameters.  Change type
11675         of signature parameter.  Add object and shndx to signatures table.
11676         (Layout::find_kept_object): New function.
11677         * layout.h: Include <cstring>.
11678         (Layout::is_debug_info_section): New function.
11679         (Layout::add_comdat): Add new parameters.
11680         (Layout::find_kept_object): New function.
11681         (Layout::Kept_section): New struct.
11682         (Layout::Signatures): Change type of map range.
11683         * object.cc (Relobj::output_section_address): New function.
11684         (Sized_relobj::include_section_group): Add new parameters.  Change
11685         calls to Layout::add_comdat.  Change to build table of kept comdat
11686         groups and table mapping discarded sections to kept sections.
11687         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11688         (Sized_relobj::do_layout): Change calls to include_section_group and
11689         include_linkonce_section.
11690         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11691         value to zero when section is discarded.
11692         (Sized_relobj::map_to_kept_section): New function.
11693         * object.h (Relobj::output_section_address): New function.
11694         (Relobj::Comdat_group): New type.
11695         (Relobj::find_comdat_group): New function.
11696         (Relobj::Comdat_group_table): New type.
11697         (Relobj::Kept_comdat_section): New type.
11698         (Relobj::Kept_comdat_section_table): New type.
11699         (Relobj::add_comdat_group): New function.
11700         (Relobj::set_kept_comdat_section): New function.
11701         (Relobj::get_kept_comdat_section): New function.
11702         (Relobj::comdat_groups_): New field.
11703         (Relobj::kept_comdat_sections_): New field.
11704         (Symbol_value::input_value): Update comment.
11705         (Sized_relobj::map_to_kept_section) New function.
11706         (Sized_relobj::include_linkonce_section): Add new parameter.
11707         * target-reloc.h (Comdat_behavior): New type.
11708         (get_comdat_behavior): New function.
11709         (relocate_section): Add code to map a discarded section to the
11710         corresponding kept section when applying a relocation.
11711
11712 2008-04-30  Craig Silverstein  <csilvers@google.com>
11713
11714         * dwarf_reader.cc (next_generation_count): New static var.
11715         (Addr2line_cache_entry): New struct.
11716         (addr2line_cache): New static var.
11717         (Dwarf_line_info::one_addr2line): Added caching.
11718         (Dwarf_line_info::clear_addr2line_cache): New function.
11719         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11720         cache-size parameter.
11721         (Dwarf_line_info::one_addr2line_cache): New function.
11722         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11723         new cache-size argument to one_addr2line(), and clear cache.
11724
11725 2008-04-28  Cary Coutant  <ccoutant@google.com>
11726
11727         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11728         R_386_PC8 relocations.
11729
11730 2008-04-23  Ian Lance Taylor  <iant@google.com>
11731
11732         * object.cc (Sized_relobj::include_section_group): Check for
11733         invalid section group.
11734
11735         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11736         header size.
11737
11738         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11739         than read for file header.
11740         * archive.cc (Archive::include_member): Likewise.
11741
11742 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11743
11744         * aclocal.m4: Regenerate.
11745         * configure: Regenerate.
11746
11747 2008-04-19  Ian Lance Taylor  <iant@google.com>
11748
11749         * version.cc (version_string): Bump to 1.6.
11750
11751         * testsuite/Makefile.am (many_sections_r_test): New target.
11752         (many_sections_r_test_SOURCES): Remove.
11753         (many_sections_r_test_DEPENDENCIES): Remove.
11754         (many_sections_r_test_LDFLAGS): Remove.
11755         (many_sections_r_test_LDADD): Remove.
11756
11757         * object.cc (Sized_relobj::do_add_symbols): Always pass
11758         local_symbol_count_ to add_from_relobj.
11759
11760         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11761         every thousand variables.
11762         * testsuite/Makefile.in: Rebuild.
11763
11764         * object.cc (Xindex::initialize_symtab_xindex): New function.
11765         (Xindex::read_symtab_xindex): New function.
11766         (Xindex::sym_xindex_to_shndx): New function.
11767         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11768         available.
11769         (Sized_relobj::do_initialize_xindex): New function.
11770         (Sized_relobj::do_read_symbols): Adjust section links.
11771         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11772         parameter.  Change all callers.
11773         (Sized_relobj::include_section_group): Adjust section links and
11774         symbol section indexes.
11775         (Sized_relobj::do_layout): Adjust section links.
11776         (Sized_relobj::do_count_local_symbols): Adjust section links and
11777         symbol section indexes.
11778         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11779         ordinary and special symbols.
11780         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11781         dynsym_xindex parameters.  Change all callers.  Adjust section
11782         links.  Use SHN_XINDEX when needed.
11783         (Sized_relobj::get_symbol_location_info): Adjust section links.
11784         Don't get fooled by special symbols.
11785         * object.h (class Xindex): Define.
11786         (class Object): Add xindex_ parameter.  Declare virtual functoin
11787         do_initialize_xindex.
11788         (Object::adjust_sym_shndx): New function.
11789         (Object::set_xindex): New protected function.
11790         (class Symbol_value): Add is_ordinary_shndx_ field.
11791         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11792         (Symbol_value::value): Assert ordinary section.
11793         (Symbol_value::initialize_input_to_output_map): Likewise.
11794         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11795         Change all callers.
11796         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11797         all callers.
11798         (class Sized_relobj): Update declarations.
11799         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11800         parameter.  Change all callers.
11801         (Sized_relobj::adjust_shndx): New function.
11802         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11803         field.
11804         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11805         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11806         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11807         (Sized_dynobj::read_dynsym_section): Adjust section links.
11808         (Sized_dynobj::read_dynamic): Likewise.
11809         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11810         section links.
11811         (Sized_dynobj::do_initialize_xindex): New function.
11812         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11813         do_initialize_xindex.
11814         (Sized_dynobj::adjust_shndx): New function.
11815         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11816         dynsym_xindex_ fields.
11817         (Layout::finalize): Add a call to set_section_indexes before
11818         creating the symtab sections.
11819         (Layout::set_section_indexes): Don't do anything if the section
11820         already has a section index.
11821         (Layout::create_symtab_sections): Add shnum parameter.  Change
11822         caller.  Create .symtab_shndx section if needed.
11823         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11824         caller.
11825         (Layout::allocated_output_section_count): New function.
11826         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11827         needed.
11828         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11829         fields.  Update declarations.
11830         (Layout::symtab_xindex): New function.
11831         (Layout::dynsym_xindex): New function.
11832         (class Write_symbols_task): Add layout_ field.
11833         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11834         Change caller.
11835         * output.cc (Output_section_headers::Output_section_headers): Add
11836         shstrtab_section parameter.  Change all callers.
11837         (Output_section_headers::do_sized_write): Store overflow values
11838         for section count and section string table section index in
11839         section header zero.
11840         (Output_file_header::do_sized_write): Check for overflow of
11841         section count and section string table section index.
11842         (Output_symtab_xindex::do_write): New function.
11843         (Output_symtab_xindex::endian_do_write): New function.
11844         * output.h (class Output_section_headers): Add shstrtab_section_.
11845         Update declarations.
11846         (class Output_symtab_xindex): Define.
11847         (Output_section::has_out_shndx): New function.
11848         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11849         field.
11850         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11851         Change all callers.
11852         (Sized_symbol::init): Likewise.
11853         (Symbol::output_section): Check for ordinary symbol.
11854         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11855         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11856         callers.
11857         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11858         Change all callers.  Simplify handling of symbols from sections
11859         not included in the link.
11860         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11861         distinction.
11862         (Weak_alias_sorter::operator()): Assert that symbols are
11863         ordinary.
11864         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11865         distinction.
11866         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11867         parameters.  Change all callers.
11868         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11869         symbol distinction.  Use SHN_XINDEX when needed.
11870         (Symbol_table::write_section_symbol): Add symtab_xindex
11871         parameter.  Change all callers.
11872         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11873         SHN_XINDEX when needed.
11874         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11875         declarations.
11876         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11877         (Symbol::is_defined): Check is_ordinary.
11878         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11879         (Symbol::is_absolute, Symbol::is_common): Likewise.
11880         (class Sized_symbol): Update declarations.
11881         (class Symbol_table): Update declarations.
11882         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11883         parameters.  Change all callers.
11884         (Sized_symbol::override): Likewise.
11885         (Symbol_table::override): Likewise.
11886         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11887         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11888         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11889         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11890         to be in an ordinary section.
11891         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11892         object and is_ordinary parameters.  Change all callers.
11893         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11894         Change all callers.  Don't add undefined or non-ordinary symbols
11895         to reloc_map_.
11896         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11897         Change all callers.
11898         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11899         declarations.
11900         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11901         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11902         (Sized_relobj::relocate_sections): Likewise.
11903         * target-reloc.h (scan_relocs): Adjust section symbol index.
11904         (scan_relocatable_relocs): Likewise.
11905         * i386.cc (Scan::local): Check for ordinary symbols.
11906         * sparc.cc (Scan::local): Likewise.
11907         * x86_64.cc (Scan::local): Likewise.
11908         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11909         to symbol_section_and_value.
11910         * testsuite/many_sections_test.cc: New file.
11911         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11912         (check_PROGRAMS): Add many_sections_test.
11913         (many_sections_test_SOURCES): Define.
11914         (many_sections_test_DEPENDENCIES): Define.
11915         (many_sections_test_LDFLAGS): Define.
11916         (BUILT_SOURCES): Add many_sections_define.h.
11917         (many_sections_define.h): New target.
11918         (BUILT_SOURCES): Add many_sections_check.h.
11919         (many_sections_check.h): New target.
11920         (check_PROGRAMS): Add many_sections_r_test.
11921         (many_sections_r_test_SOURCES): Define.
11922         (many_sections_r_test_DEPENDENCIES): Define.
11923         (many_sections_r_test_LDFLAGS): Define.
11924         (many_sections_r_test_LDADD): Define.
11925         (many_sections_r_test.o): New target.
11926         * testsuite/Makefile.in: Rebuild.
11927
11928 2008-04-17  Cary Coutant  <ccoutant@google.com>
11929
11930         * errors.cc (Errors::info): New function.
11931         (gold_info): New function.
11932         * errors.h (Errors::info): New function.
11933         * gold.h (gold_info): New function.
11934         * object.cc (Input_objects::add_object): Print trace output.
11935         * options.cc (options::parse_set): New function.
11936         (General_options::parse_wrap): Deleted.
11937         (General_options::General_options): Deleted initializer.
11938         * options.h (options::String_set): New typedef.
11939         (options::parse_set): New function.
11940         (DEFINE_set): New macro.
11941         (General_options::wrap): Changed to use DEFINE_set. Changed
11942         callers of any_wrap_symbols and is_wrap_symbol.
11943         (General_options::trace, General_options::trace_symbol):
11944         New options.
11945         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11946         (General_options::wrap_symbols_): Deleted.
11947         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11948
11949 2008-04-17  David S. Miller  <davem@davemloft.net>
11950
11951         * options.cc (General_options::parse_V): New function.
11952         * options.h: Add entries for -V and -Qy.
11953
11954 2008-04-17  Ian Lance Taylor  <iant@google.com>
11955
11956         * common.cc (Symbol_table::allocate_commons): Remove options
11957         parameter.  Change caller.
11958         (Symbol_table::do_allocate_commons): Remove options parameter.
11959         Change caller.  Just call do_allocate_commons_list twice.
11960         (Symbol_table::do_allocate_commons_list): New function, broken out
11961         of do_allocate_commons.
11962         * common.h (class Allocate_commons_task): Remove options_ field.
11963         Update constructor.
11964         * symtab.cc (Symbol_table::Symbol_table): Initialize
11965         tls_commons_.
11966         (Symbol_table::add_from_object): Put TLS common symbols on
11967         tls_commons_ list.
11968         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11969         which are IN_OUTPUT_DATA.
11970         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11971         allocate_commons and do_allocate_commons declarations.  Declare
11972         do_allocate_commons_list.
11973         * gold.cc (queue_middle_tasks): Update creation of
11974         Allocate_commons_task to not pass options.
11975         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11976         (TLS_TEST_C_FLAGS): New variable.
11977         (tls_test_c_pic.o): New target.
11978         (tls_test_shared.so): Link in tls_test_c_pic.o.
11979         (tls_test_c_pic_ie.o): New target.
11980         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11981         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11982         (tls_test_c.o): New target.
11983         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11984         (tls_pic_test_LDADD): Likewise.
11985         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11986         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11987         (tls_test_c_gnu2.o): New target.
11988         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11989         tls_test_c_gnu2.o.
11990         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11991         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11992         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11993         * testsuite/tls_test.cc: Include "config.h".
11994         (t_last): Call t11_last.
11995         * testsuite/tls_test.h (t11, t11_last): Declare.
11996         * testsuite/tls_test_c.c: New file.
11997         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11998         * configure.ac: Check for OpenMP support.
11999         * configure, config.in, Makefile.in: Rebuild.
12000         * testsuite/Makefile.in: Rebuild.
12001
12002 2008-04-16  Cary Coutant  <ccoutant@google.com>
12003
12004         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12005         (Target_i386::tls_base_symbol_defined_): New field.
12006         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12007         (Target_i386::Scan::global): Likewise.
12008         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12009         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12010         (Target_x86_64::tls_base_symbol_defined_): New field.
12011         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12012         (Target_x86_64::Scan::global): Likewise.
12013
12014 2008-04-16  Cary Coutant  <ccoutant@google.com>
12015
12016         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12017         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12018         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12019         building shared libraries.
12020         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12021         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12022         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12023         * testsuite/Makefile.in: Rebuild.
12024         * testsuite/weak_undef.h: New file.
12025         * testsuite/weak_undef_file1.cc: Add extra test cases.
12026         * testsuite/weak_undef_file2.cc: Likewise.
12027         * testsuite/weak_undef_test.cc: Likewise.
12028
12029 2008-04-16  David S. Miller  <davem@davemloft.net>
12030
12031         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12032         Add issued_non_pic_error_ field.  Declare check_non_pic.
12033         (Target_sparc::Scan::check_non_pic): New function.
12034         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12035         (Target_sparc::Scan::global): Likewise.
12036
12037         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12038         * configure: Rebuild.
12039
12040         * options.h (DEFINE_enable): New macro.
12041         (new_dtags): New enable option.
12042         (initfirst, interpose, loadfltr, nodefaultlib,
12043         nodelete, nodlopen, nodump): New -z options.
12044         * layout.cc (Layout:finish_dynamic_section): If new
12045         dtags enabled, emit DT_RUNPATH.  Also, emit a
12046         DT_FLAGS_1 containing any specified -z flags.
12047
12048 2008-04-16  Ian Lance Taylor  <iant@google.com>
12049
12050         * copy-relocs.cc: New file.
12051         * copy-relocs.h: New file.
12052         * reloc.cc: Remove Copy_relocs code.
12053         * reloc.h: Likewise.
12054         * reloc-types.h (struct Reloc_types) [both versions]: Add
12055         get_reloc_addend_noerror.
12056         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12057         variants of add_global which take an addend which must be zero.
12058         * i386.cc: Include "copy-relocs.h".
12059         (class Target_i386): Change type of copy_relocs_ to variable,
12060         update initializer.
12061         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12062         Change all callers.
12063         (Target_i386::do_finalize_sections): Change handling of
12064         copy_relocs_.
12065         * sparc.cc: Include "copy-relocs.h".
12066         (class Target_sparc): Change type of copy_relocs_ to variable,
12067         update initializer.
12068         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12069         Change all callers.
12070         (Target_sparc::do_finalize_sections): Change handling of
12071         copy_relocs_.
12072         * x86_64.cc: Include "copy-relocs.h".
12073         (class Target_x86_64): Change type of copy_relocs_ to variable,
12074         update initializer.
12075         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12076         class.  Change all callers.
12077         (Target_x86_64::do_finalize_sections): Change handling of
12078         copy_relocs_.
12079         * Makefile.am (CCFILES): Add copy-relocs.cc.
12080         (HFILES): Add copy-relocs.h.
12081
12082         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12083
12084         * testsuite/script_test_4.sh: Permit leading zeroes.
12085
12086 2008-04-15  Ian Lance Taylor  <iant@google.com>
12087
12088         * script-sections.cc (Script_sections::create_segments): Use
12089         header_size_adjustment even when there is enough room for the
12090         headers.
12091         * testsuite/script_test_4.sh: New file.
12092         * testsuite/script_test_4.t: New file.
12093         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12094         (check_DATA): Add script_test_4.stdout.
12095         (MOSTLYCLEANFILES): Likewise.
12096         (script_test_4): New target.
12097         (script_test_4.stdout): New target.
12098         * testsuite/Makefile.in: Rebuild.
12099
12100         * sparc.cc: Add definitions for Output_data_plt_sparc class
12101         constants.
12102
12103 2008-04-14  David S. Miller  <davem@davemloft.net>
12104
12105         * sparc.cc: New file.
12106         * Makefile.am (TARGETSOURCES): Add sparc.cc
12107         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12108         * configure.tgt: Document targ_extra_size and
12109         targ_extra_big_endian.  Add entries for sparc-* and
12110         sparc64-*.
12111         * configure.ac: Handle targ_extra_size and
12112         targ_extra_big_endian.
12113         * Makefile.in: Rebuild.
12114         * configure: Likewise.
12115         * po/POTFILES.in: Likewise.
12116         * po/gold.pot: Likewise.
12117
12118 2008-04-14  Ian Lance Taylor  <iant@google.com>
12119
12120         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12121         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12122         in the name/type/flags to section mapping.  Don't call
12123         allocate_output_section.
12124         (Layout::choose_output_section): Change parameter from adjust_name
12125         to is_input_section.  Don't permit input sections after sections
12126         are attached to segments.  Don't call allocate_output_section.
12127         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12128         not write_enable_output_section.
12129         (Layout::make_output_section): Don't push to
12130         unattached_section_list_ nor call attach_to_segment.  Call
12131         attach_section_to_segment if sections are attached.
12132         (Layout::attach_sections_to_segments): New function.
12133         (Layout::attach_section_to_segment): New function.
12134         (Layout::attach_allocated_section_to_segment): Rename from
12135         attach_to_segment.  Remove flags parameter.
12136         (Layout::allocate_output_section): Remove function.
12137         (Layout::write_enable_output_section): Remove function.
12138         * layout.h (class Layout): Update for above changes.  Add new
12139         field sections_are_attached_.
12140         * output.h (Output_section::update_flags_for_input_section): New
12141         function.
12142         * output.cc (Output_section::add_input_section): Call
12143         update_flags_for_input_section.
12144         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12145
12146 2008-04-11  Cary Coutant  <ccoutant@google.com>
12147
12148         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12149         thought unnecessary.
12150         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12151
12152 2008-04-11  Ian Lance Taylor  <iant@google.com>
12153
12154         * output.h (class Output_section_data): Remove inline definition
12155         of set_addralign.
12156         * output.cc (Output_section_data::set_addralign): New function.
12157
12158 2008-04-11  Cary Coutant  <ccoutant@google.com>
12159
12160         Add support for TLS descriptors for i386 and x86_64.
12161         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12162         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12163         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12164         GOT_TYPE_TLS_DESC.
12165         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12166         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12167         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12168         relocations.
12169         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12170         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12171         Fix problem with initial-exec relocations.
12172         (Target_i386::Relocate::relocate_tls): Likewise.
12173         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12174         relaxation.
12175         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12176         support for section-plus-offset dynamic table entries.
12177         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12178         (Output_data_dynamic::Dynamic_entry): Add support for
12179         section-plus-offset dynamic table entries.
12180         (Output_data_dynamic::Classification): Likewise.
12181         (Output_data_dynamic::classification_): Renamed offset_.
12182         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12183         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12184         (Target_x86_64::make_plt_section): New function.
12185         (Target_x86_64::reserve_tlsdesc_entries): New function.
12186         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12187         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12188         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12189         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12190         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12191         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12192         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12193         add extra PLT entry for TLS descriptors.
12194         (Output_data_plt_x86_64::got_): New field.
12195         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12196         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12197         fields.
12198         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12199         descriptors.
12200         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12201         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12202         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12203         R_386_TLS_DESC_CALL relocations.
12204         (Target_x86_64::Scan::global): Likewise.
12205         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12206         for TLS descriptors.
12207         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12208         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12209         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12210         GD-to-IE relaxation.
12211         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12212         and TLS_DESCRIPTORS.
12213         * Makefile.in: Rebuild.
12214         * configure: Rebuild.
12215         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12216         (tls_test_shared2.so): New target.
12217         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12218         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12219         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12220         (tls_shared_gd_to_ie_test_LDADD): New variable.
12221         (tls_shared_gnu2_gd_to_ie_test): New target.
12222         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12223         New targets.
12224         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12225         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12226         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12227         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12228         (tls_shared_gnu2_test): New target.
12229         (tls_test_gnu2_shared.so): New target.
12230         (tls_shared_gnu2_test_SOURCES): New variable.
12231         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12232         (tls_shared_gnu2_test_LDFLAGS): New variable.
12233         (tls_shared_gnu2_test_LDADD): New variable.
12234         * testsuite/Makefile.in: Rebuild.
12235         * testsuite/Makefile.
12236
12237 2008-04-11  Ian Lance Taylor  <iant@google.com>
12238
12239         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12240         justsyms.t.
12241         * testsuite/Makefile.in: Rebuild.
12242
12243         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12244         long.
12245         * testsuite/script_test_2.cc (main): Adjust test.
12246
12247 2008-04-11  David S. Miller  <davem@davemloft.net>
12248             Ian Lance Taylor  <iant@google.com>
12249
12250         * options.h (General_options): Add entries for '-Y' and
12251         '-relax'.
12252         * options.cc (General_options:finalize): If -Y was used, add those
12253         entries to the library path instead of the default "/lib" and
12254         "/usr/lib".
12255
12256 2008-04-11  David S. Miller  <davem@davemloft.net>
12257
12258         * testsuite/justsyms.t: Start at 0x100.
12259         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12260         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12261         long.
12262         * testsuite/script_test_2.cc: Adjust string and section length
12263         checks.
12264
12265 2008-04-09  Ian Lance Taylor  <iant@google.com>
12266
12267         PR gold/5996
12268         * script-sections.cc (Sections_element::allocate_to_segment): Add
12269         orphan parameter.
12270         (Output_section_definition::allocate_to_segment): Likewise.
12271         (Orphan_output_section::allocate_to_segment): Likewise.
12272         (Script_sections::attach_sections_using_phdrs_clause): Don't
12273         propagate non-PT_LOAD segments to orphan sections.
12274         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12275         readelf rather than objdump.
12276         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12277         .interp section and PT_INTERP segment are the same size.
12278         * testsuite/Makefile.in: Rebuild.
12279
12280         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12281         aliases for symbols defined in the same object.
12282         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12283         (weak_alias_test_SOURCES): New variable.
12284         (weak_alias_test_DEPENDENCIES): New variable.
12285         (weak_alias_test_LDFLAGS): New variable.
12286         (weak_alias_test_LDADD): New variable.
12287         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12288         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12289         (weak_alias_test_3.o): New target.
12290         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12291         * testsuite/weak_alias_test_main.cc: New file.
12292         * testsuite/weak_alias_test_1.cc: New file.
12293         * testsuite/weak_alias_test_2.cc: New file.
12294         * testsuite/weak_alias_test_3.cc: New file.
12295
12296 2008-04-08  Ian Lance Taylor  <iant@google.com>
12297
12298         * options.h (class General_options): Add --noinhibit-exec option.
12299         * main.cc (main): Check --noinhibit-exec.
12300
12301         * options.h (class General_options): Define --wrap as a special
12302         option.  Add wrap_symbols_ field.
12303         (General_options::any_wrap_symbols): New function.
12304         (General_options::is_wrap_symbol): New function.
12305         * options.cc (General_options::parse_wrap): New function.
12306         (General_options::General_options): Initialize wrap_symbols_.
12307         * symtab.cc (Symbol_table::wrap_symbol): New function.
12308         (Symbol_table::add_from_object): Handle --wrap.
12309         * symtab.h (class Symbol_table): Declare wrap_symbol.
12310         * target.h (Target::wrap_char): New function.
12311         (Target::Target_info): Add wrap_char field.
12312         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12313         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12314         * testsuite/testfile.cc (Target_test::test_target_info):
12315         Likewise.
12316
12317         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12318         there is one.
12319
12320         * layout.h (class Layout): Add added_eh_frame_data_ field.
12321         * layout.cc (Layout::Layout): Initialize new field.
12322         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12323         output section until we find a section we merged successfully.
12324         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12325         that the size be non-zero.
12326
12327         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12328         qualifier.
12329
12330 2008-04-08  Craig Silverstein  <csilvers@google.com>
12331
12332         * configure.ac: Export new conditional variable HAVE_ZLIB.
12333         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12334         on HAVE_ZLIB.
12335         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12336         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12337
12338 2008-04-07  Ian Lance Taylor  <iant@google.com>
12339
12340         * version.cc (version_string): Set to "1.5".
12341
12342         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12343         Add issued_non_pic_error_ field.  Declare check_non_pic.
12344         (Target_x86_64::Scan::check_non_pic): New function.
12345         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12346         (Target_x86_64::Scan::global): Likewise.
12347
12348         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12349         addend parameter.  Change caller.  Handle merge sections.
12350         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12351         Address to Addend.  Don't add in the result of
12352         local_section_offset, pass down the addend and use the returned
12353         value.
12354         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12355         Update declarations of local_section_offset and symbol_value.
12356         * testsuite/two_file_test_1.cc (t18): New function.
12357         * testsuite/two_file_test_2.cc (f18): New function.
12358         * testsuite/two_file_test_main.cc (main): Call t18.
12359         * testsuite/two_file_test.h (t18, f18): Declare.
12360
12361         * configure.ac: Don't test for objdump, c++filt, or readelf.
12362         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12363         conditionals.
12364         (TEST_READELF): New variable.
12365         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12366         (check_PROGRAMS): Add two_file_strip_test.
12367         (two_file_strip_test): New target.
12368         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12369         (two_file_same_shared_strip_test_SOURCES): New variable.
12370         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12371         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12372         (two_file_same_shared_strip_test_LDADD): New variable.
12373         (two_file_shared_strip.so): New target.
12374         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12375         (ver_test_5.syms, ver_test_7.syms): Likewise.
12376         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12377         (strip_test_3.stdout): Use TEST_OBJDUMP.
12378         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12379
12380 2008-04-04  Cary Coutant  <ccoutant@google.com>
12381
12382         * symtab.h (Symbol::is_weak_undefined): New function.
12383         (Symbol::is_strong_undefined): New function.
12384         (Symbol::is_absolute): New function.
12385         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12386         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12387         absolute symbols.
12388         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12389         (weak_undef_test): New target.
12390         * testsuite/Makefile.in: Rebuild.
12391         * testsuite/weak_undef_file1.cc: New file.
12392         * testsuite/weak_undef_file2.cc: New file.
12393         * testsuite/weak_undef_test.cc: New file.
12394
12395 2008-04-03  Craig Silverstein  <csilvers@google.com>
12396
12397         * compressed_output.h (class Output_compressed_section): Use
12398         unsigned buffer.
12399         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12400         add zlib header.
12401         (zlib_compressed_suffix): Removed.
12402         (Output_compressed_section::set_final_data_size): Use unsigned
12403         buffers.
12404         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12405         Fix linker invocation.
12406         (flagstest_o_specialfile_and_compress_debug_sections):
12407         Likewise.
12408         * testsuite/Makefile.in: Regenerated.
12409
12410 2008-04-02  David S. Miller  <davem@davemloft.net>
12411
12412         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12413         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12414
12415 2008-04-02  Craig Silverstein  <csilvers@google.com>
12416
12417         * TODO: New file.
12418
12419 2008-04-02  Ian Lance Taylor  <iant@google.com>
12420
12421         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12422         parameters.  Update for new key type to views_.  Change all
12423         callers.
12424         (File_read::read): Adjust for byteshift in returned view.
12425         (File_read::add_view): New function, broken out of
12426         find_and_make_view.
12427         (File_read::make_view): New function, broken out of
12428         find_and_make_view.
12429         (File_read::find_or_make_view): Add offset and aligned
12430         parameters.  Rewrite accordingly.  Change all callers.
12431         (File_read::get_view): Add offset and aligned parameters.  Adjust
12432         for byteshift in return value.
12433         (File_read::get_lasting_view): Likewise.
12434         * fileread.h (class File_read): Update declarations.
12435         (class File_read::View): Add byteshift_ field.  Add byteshift to
12436         constructor.  Add byteshift method.
12437         * archive.h (Archive::clear_uncached_views): New function.
12438         (Archive::get_view): Add aligned parameter.  Change all callers.
12439         * object.h (Object::get_view): Add aligned parameter.  Change all
12440         callers.
12441         (Object::get_lasting_view): Likewise.
12442
12443         * fileread.cc (File_read::release): Don't call clear_views if
12444         there are multiple objects.
12445         * fileread.h (File_read::clear_uncached_views): New function.
12446         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12447         on the archive.
12448
12449 2008-03-31  Cary Coutant  <ccoutant@google.com>
12450
12451         Add thin archive support.
12452         * archive.cc (Archive::armagt): New const.
12453         (Archive::setup): Remove task parameter and calls to unlock.
12454         (Archive::unlock_nested_archives): New function.
12455         (Archive::read_header): Add nested_off parameter. Change
12456         all callers.
12457         (Archive::interpret_header): Likewise.
12458         (Archive::include_all_members): Change to handle thin
12459         archives.
12460         (Archive::include_member): Likewise.
12461         * archive.h (Archive::Archive): Add new parameters and
12462         initializers.
12463         (Archive::armagt): New const.
12464         (Archive::setup): Remove task parameter.
12465         (Archive::unlock_nested_archives): New function.
12466         (Archive::read_header): Add nested_off parameter.
12467         (Archive::interpret_header): Likewise.
12468         (Archive::Nested_archive_table): New typedef.
12469         (Archive::is_thin_archive_): New field.
12470         (Archive::nested_archives_): New field.
12471         (Archive::options_): New field.
12472         (Archive::dirpath_): New field.
12473         (Archive::task_): New field.
12474         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12475         for thin archives.  Pass additional parameters to
12476         Archive::Archive.  Unlock the archive file after calling
12477         Archive::setup.
12478
12479 2008-03-29  Ian Lance Taylor  <iant@google.com>
12480
12481         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12482         version symbol to be local.
12483         * testsuite/ver_test_4.sh: New file.
12484         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12485         (check_DATA): Add ver_test_4.syms.
12486         (ver_test_4.syms): New target.
12487         * testsuite/Makefile.in: Rebuild.
12488
12489         * output.cc
12490         (Output_section::Input_section_sort_entry::has_priority): New
12491         function.
12492         (Output_section::Input_section_sort_entry::match_file_name): New
12493         function.
12494         (Output_section::Input_section_sort_entry::match_section_name):
12495         Remove.
12496         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12497         Remove.
12498         (Output_section::Input_section_sort_entry::match_section_file):
12499         Remove.
12500         (Output_section::Input_section_sort_compare::operator()): Rewrite
12501         using new Input_section_sort_entry functions.  Sort crtbegin and
12502         crtend first.  Sort sections with no priority before sections with
12503         a priority.
12504         * testsuite/initpri1.c (d3): Check j != 4.
12505         (cd5): New constructor/destructor function.
12506         (main): Check j != 2.
12507
12508         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12509         new symbol when resolving, don't call set_is_default.
12510         * testsuite/ver_test_7.cc: New file.
12511         * testsuite/ver_test_7.sh: New file.
12512         * testsuite/Makefile.am (ver_test_7.so): New target.
12513         (ver_test_7.o): New target.
12514         (check_SCRIPTS): Add ver_test_7.sh.
12515         (check_DATA): Add ver_test_7.syms.
12516         (ver_test_7.syms): New target.
12517
12518 2008-03-28  Ian Lance Taylor  <iant@google.com>
12519
12520         * layout.cc (Layout::layout): If we see an input section with a
12521         name that needs sorting, set the must_sort flag for the output
12522         section.
12523         (Layout::make_output_section): If the name of the output section
12524         indicates that it might require sorting, set the may_sort flag.
12525         * output.h (Output_section::may_sort_attached_input_sections): New
12526         function.
12527         (Output_section::set_may_sort_attached_input_sections): New
12528         function.
12529         (Output_section::must_sort_attached_input_sections): New
12530         function.
12531         (Output_section::set_must_sort_attached_input_sections): New
12532         function.
12533         (class Output_section): Declare Input_section_sort_entry.  Define
12534         Input_section_sort_compare.  Declare
12535         sort_attached_input_sections.  Add new fields:
12536         may_sort_attached_input_sections_,
12537         must_sort_attached_input_sections_,
12538         attached_input_sections_are_sorted_.
12539         * output.cc (Output_section::Output_section): Initialize new
12540         fields.
12541         (Output_section::add_input_section): Add an entry to
12542         input_sections_ if may_sort or must_sort are true.
12543         (Output_section::set_final_data_size): Call
12544         sort_attached_input_sections if necessary.
12545         (Output_section::Input_section_sort_entry): Define new class.
12546         (Output_section::Input_section_sort_compare::operator()): New
12547         function.
12548         (Output_section::sort_attached_input_sections): New function.
12549         * configure.ac: Check whether the compiler supports constructor
12550         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12551         * testsuite/initpri1.c: New file.
12552         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12553         CONSTRUCTOR_PRIORITY.
12554         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12555         (initpri1_LDFLAGS): New variable.
12556         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12557
12558 2008-03-27  Ian Lance Taylor  <iant@google.com>
12559
12560         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12561         * testsuite/common_test_1.c: New file.
12562         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12563         (common_test_1_SOURCES): New variable.
12564         (common_test_1_DEPENDENCIES): New variable.
12565         (common_test_1_LDFLAGS): New variable.
12566
12567         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12568         and commons_ correctly when NAME/VERSION does not override
12569         NAME/NULL.
12570         * testsuite/ver_test_6.c: New file.
12571         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12572         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12573         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12574
12575 2008-03-26  Ian Lance Taylor  <iant@google.com>
12576
12577         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12578         of an undefined symbol from a version script.
12579         * testsuite/Makefile.am (ver_test_5.so): New target.
12580         (ver_test_5.o): New target.
12581         (check_SCRIPTS): Add ver_test_5.sh.
12582         (check_DATA): Add ver_test_5.syms.
12583         (ver_test_5.syms): New target.
12584         * testsuite/ver_test_5.cc: New file.
12585         * testsuite/ver_test_5.script: New file.
12586         * testsuite/ver_test_5.sh: New file.
12587         * Makefile.in, testsuite/Makefile.in: Rebuild.
12588
12589         PR gold/5986
12590         Fix problems building gold with gcc 4.3.0.
12591         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12592         (gold_error_at_location, gold_warning_at_location): Use it.
12593         * configure.ac: Check whether we can compile and use a template
12594         function with a printf attribute.
12595         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12596         when jumping over bytes.
12597         * object.cc: Instantiate Object::read_section_data.
12598         * debug.h: Include <cstring>
12599         * dwarf_reader.cc: Include <algorithm>
12600         * main.cc: Include <cstring>.
12601         * options.cc: Include <cstring>.
12602         * output.cc: Include <cstring>.
12603         * script.cc: Include <cstring>.
12604         * script.h: Include <string>.
12605         * symtab.cc: Include <cstring> and <algorithm>.
12606         * target-select.cc: Include <cstring>.
12607         * version.cc: Include <string>.
12608         * testsuite/testmain.cc: Include <cstdlib>.
12609         * configure, config.in: Rebuild.
12610
12611 2008-03-25  Ian Lance Taylor  <iant@google.com>
12612
12613         * options.cc: Include "../bfd/bfdver.h".
12614         (options::help): Print bug reporting address.
12615
12616         * version.cc (print_version): Adjust output for current value of
12617         BFD_VERSION_STRING.
12618
12619         * NEWS: New file.
12620
12621         * options.cc (options::help): Print list of supported targets.
12622         * target-select.h: Include <vector>.
12623         (class Target_selector): Make machine_, size_, and is_big_endian_
12624         fields const.  Add bfd_name_ and instantiated_target_ fields.
12625         (Target_selector::Target_selector): Add bfd_name parameter.
12626         (Target_selector::recognize): Make non-virtual, call
12627         do_recognize.
12628         (Target_selector::recognize_by_name): Make non-virtual, call
12629         do_recognize_by_name.
12630         (Target_selector::supported_names): New function.
12631         (Target_selector::bfd_name): New function.
12632         (Target_selector::do_instantiate_target): New pure virtual
12633         function.
12634         (Target_selector::do_recognize): New virtual function.
12635         (Target_selector::do_recognize_by_name): New virtual function.
12636         (Target_selector::instantiate_target): New private function.
12637         (supported_target_names): Declare.
12638         * target-select.cc (Target_selector::Target_selector): Update for
12639         new parameter and fields.
12640         (select_target_by_name): Check that the name matches before
12641         calling recognize_by_name.
12642         (supported_target_names): New function.
12643         * i386.cc (class Target_selector_i386): Update Target_selector
12644         constructor call.  Remove recognize and recognize_by_name.  Add
12645         do_instantiate_target.
12646         * x86_64.cc (class Target_selector_x86_64): Likewise.
12647         * testsuite/testfile.cc (class Target_selector_test): Update for
12648         changes to Target_selector.
12649
12650         * README: Rewrite, with some notes on unsupported features.
12651
12652 2008-03-24  Cary Coutant  <ccoutant@google.com>
12653
12654         * i386.cc (Target_i386::Got_type): New enum declaration.
12655         (Target_i386::Scan::local): Updated callers of Output_data_got
12656         member functions.
12657         (Target_i386::Scan::global): Likewise.
12658         (Target_i386::Relocate::relocate): Likewise.
12659         (Target_i386::Relocate::relocate_tls): Likewise.
12660         * object.h (Got_offset_list): New class.
12661         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12662         (Sized_relobj::local_got_offset): Likewise.
12663         (Sized_relobj::set_local_got_offset): Likewise.
12664         (Sized_relobj::local_has_tls_got_offset): Removed.
12665         (Sized_relobj::local_tls_got_offset): Removed.
12666         (Sized_relobj::set_local_tls_got_offset): Removed.
12667         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12668         * output.cc (Output_data_got::add_global): Added got_type parameter.
12669         (Output_data_got::add_global_with_rel): Likewise.
12670         (Output_data_got::add_global_with_rela): Likewise.
12671         (Output_data_got::add_global_pair_with_rel): New function.
12672         (Output_data_got::add_global_pair_with_rela): New function.
12673         (Output_data_got::add_local): Added got_type parameter.
12674         (Output_data_got::add_local_with_rel): Likewise.
12675         (Output_data_got::add_local_with_rela): Likewise.
12676         (Output_data_got::add_local_pair_with_rel): New function.
12677         (Output_data_got::add_local_pair_with_rela): New function.
12678         (Output_data_got::add_global_tls): Removed.
12679         (Output_data_got::add_global_tls_with_rel): Removed.
12680         (Output_data_got::add_global_tls_with_rela): Removed.
12681         (Output_data_got::add_local_tls): Removed.
12682         (Output_data_got::add_local_tls_with_rel): Removed.
12683         (Output_data_got::add_local_tls_with_rela): Removed.
12684         * output.h (Output_data_got::add_global): Added got_type parameter.
12685         (Output_data_got::add_global_with_rel): Likewise.
12686         (Output_data_got::add_global_with_rela): Likewise.
12687         (Output_data_got::add_global_pair_with_rel): New function.
12688         (Output_data_got::add_global_pair_with_rela): New function.
12689         (Output_data_got::add_local): Added got_type parameter.
12690         (Output_data_got::add_local_with_rel): Likewise.
12691         (Output_data_got::add_local_with_rela): Likewise.
12692         (Output_data_got::add_local_pair_with_rel): New function.
12693         (Output_data_got::add_local_pair_with_rela): New function.
12694         (Output_data_got::add_global_tls): Removed.
12695         (Output_data_got::add_global_tls_with_rel): Removed.
12696         (Output_data_got::add_global_tls_with_rela): Removed.
12697         (Output_data_got::add_local_tls): Removed.
12698         (Output_data_got::add_local_tls_with_rel): Removed.
12699         (Output_data_got::add_local_tls_with_rela): Removed.
12700         * resolve.cc (Symbol::override_base_with_special): Removed
12701         reference to has_got_offset_ field.
12702         * symtab.cc (Symbol::init_fields): Replaced initialization
12703         of got_offset_ with got_offsets_.  Removed initialization
12704         of has_got_offset_
12705         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12706         (Symbol::got_offset): Likewise.
12707         (Symbol::set_got_offset): Likewise.
12708         (Symbol::has_tls_got_offset): Removed.
12709         (Symbol::tls_got_offset): Removed.
12710         (Symbol::set_tls_got_offset): Removed.
12711         (Symbol::got_offset_): Removed.
12712         (Symbol::tls_mod_got_offset_): Removed.
12713         (Symbol::tls_pair_got_offset_): Removed.
12714         (Symbol::got_offsets_): New field.
12715         (Symbol::has_got_offset): Removed.
12716         (Symbol::has_tls_mod_got_offset): Removed.
12717         (Symbol::has_tls_pair_got_offset): Removed.
12718         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12719         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12720         member functions.
12721         (Target_x86_64::Scan::global): Likewise.
12722         (Target_x86_64::Relocate::relocate): Likewise.
12723         (Target_x86_64::Relocate::relocate_tls): Likewise.
12724
12725 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12726
12727         * yyscript.y: Fix spelling error in comment.
12728
12729 2008-03-24  Ian Lance Taylor  <iant@google.com>
12730
12731         * options.h (class General_options): Define build_id option.
12732         * layout.h (class Layout): Declare write_build_id, create_note,
12733         create_build_id.  Add build_id_note_ member.
12734         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12735         "libiberty.h", "md5.h", "sha1.h".
12736         (Layout::Layout): Initialize eh_frame_data_,
12737         eh_frame_hdr_section_, and build_id_note_.
12738         (Layout::finalize): Call create_build_id.
12739         (Layout::create_note): New function, broken out of
12740         Layout::create_gold_note.
12741         (Layout::create_gold_note): Call create_note.
12742         (Layout::create_build_id): New function.
12743         (Layout::write_build_id): New function.
12744         (Close_task_runner::run): Call write_build_id.
12745
12746         * x86_64.cc: Correct license to GPLv3.
12747
12748 2008-03-23  Ian Lance Taylor  <iant@google.com>
12749
12750         * options.cc: Include "demangle.h".
12751         (parse_optional_string): New function.
12752         (parse_long_option): Handle takes_optional_argument.
12753         (parse_short_option): Update dash_z initializer.  Handle
12754         takes_optional_argument.
12755         (General_options::General_options): Initialize do_demangle_.
12756         (General_options::finalize): Set do_demangle_.  Handle demangling
12757         style.
12758         * options.h (parse_optional_string): Declare.
12759         (struct One_option): Add optional_arg field.  Update constructor.
12760         Update call constructor calls.  Add takes_optional_argument
12761         function.
12762         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12763         (DEFINE_optional_string): Define.
12764         (General_options::demangle): Change from DEFINE_bool to
12765         DEFINE_optional_string.
12766         (General_options::no_demangle): New function.
12767         (General_options::do_demangle): New function.
12768         (General_options::set_do_demangle): New function.
12769         (General_options::execstack_status_): Move definition to end of
12770         class definition.
12771         (General_options::static_): Likewise.
12772         (General_options::do_demangle_): New field.
12773         * object.cc (big_endian>::get_symbol_location_info): Call
12774         Options::do_demangle, not Options::demangle.
12775         * symtab.cc (demangle): Likewise.
12776
12777 2008-03-22  Ian Lance Taylor  <iant@google.com>
12778
12779         * gold.h: Include <cstddef> and <sys/types.h>
12780         * options.h: Include <cstring>.
12781
12782 2008-03-21  Ian Lance Taylor  <iant@google.com>
12783
12784         * Added source code to GNU binutils.