gold/ChangeLog

   1 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
   2             Nick Clifton  <nickc@redhat.com>
   3
   4         PR 14072
   5         * configure.in: Add check that sysdep.h has been included before
   6         any system header files.
   7         * configure: Regenerate.
   8         * config.in: Regenerate.
   9
  10 2012-05-14  Cary Coutant  <ccoutant@google.com>
  11
  12         * layout.cc (Layout::make_output_section): Mark .tdata section
  13         as RELRO.
  14         * testsuite/relro_test.cc: Add a TLS variable.
  15
  16 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
  17
  18         PR gold/14091
  19         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
  20         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
  21         R_X86_64_64.
  22
  23 2012-05-08  Cary Coutant  <ccoutant@google.com>
  24
  25         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
  26         (lines_only_debug_sections): Likewise.
  27
  28 2012-05-02  Roland McGrath  <mcgrathr@google.com>
  29
  30         * nacl.cc: New file.
  31         * nacl.h: New file.
  32         * Makefile.am (CCFILES, HFILES): Add them.
  33         * Makefile.in: Regenerate.
  34         * i386.cc (Output_data_plt_i386_nacl): New class.
  35         (Output_data_plt_i386_nacl_exec): New class.
  36         (Output_data_plt_i386_nacl_dyn): New class.
  37         (Target_i386_nacl): New class.
  38         (Target_selector_i386_nacl): New class.
  39         (target_selector_i386): Use it instead of Target_selector_i386.
  40         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
  41         (Target_x86_64_nacl): New class.
  42         (Target_selector_x86_64_nacl): New class.
  43         (target_selector_x86_64, target_selector_x32): Use it instead of
  44         Target_selector_x86_64.
  45         * arm.cc (Output_data_plt_arm_nacl): New class.
  46         (Target_arm_nacl): New class.
  47         (Target_selector_arm_nacl): New class.
  48         (target_selector_arm, target_selector_armbe): Use it instead of
  49         Target_selector_arm.
  50
  51         * target-select.cc (select_target): Take new Input_file* and off_t
  52         arguments, pass them on to recognize method of selector.
  53         * object.cc (make_elf_sized_object): Update caller.
  54         * parameters.cc (parameters_force_valid_target): Likewise.
  55         * incremental.cc (make_sized_incremental_binary): Likewise.
  56         * target-select.h: Update decl.
  57         (Target_selector::recognize): Take new Input_file* argument,
  58         pass it on to do_recognize.
  59         (Target_selector::do_recognize): Take new Input_file* argument.
  60         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
  61         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
  62         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
  63         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
  64
  65         * target.h (Target::Target_info): New members isolate_execinstr
  66         and rosegment_gap.
  67         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
  68         * arm.cc (Target_arm::arm_info): Update initializer.
  69         * i386.cc (Target_i386::i386_info): Likewise.
  70         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
  71         * sparc.cc (Target_sparc::sparc_info): Likewise.
  72         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
  73         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
  74         * layout.cc (Layout::attach_allocated_section_to_segment):
  75         Take new const Target* argument.  If target->isolate_execinstr(), act
  76         like --rosegment.
  77         (Layout::find_first_load_seg): Take new const Target* argument;
  78         if target->isolate_execinstr(), reject PF_X segments.
  79         (Layout::relaxation_loop_body): Update caller.
  80         (Layout::set_segment_offsets): If target->isolate_execinstr(),
  81         reset file offset to zero when we hit LOAD_SEG, and then do a second
  82         loop over the segments before LOAD_SEG to reassign offsets after
  83         addresses have been determined.  Handle target->rosegment_gap().
  84         (Layout::attach_section_to_segment): Take new const Target* argument;
  85         pass it to attach_allocated_section_to_segment.
  86         (Layout::make_output_section): Update caller.
  87         (Layout::attach_sections_to_segments): Take new const Target* argument;
  88         pass it to attach_section_to_segment.
  89         * gold.cc (queue_middle_tasks): Update caller.
  90         * layout.h (Layout): Update method decls with new arguments.
  91
  92         * arm.cc (Target_arm::Target_arm): Take optional argument for the
  93         Target_info pointer to use.
  94         (Target_arm::do_make_data_plt): New virtual method.
  95         (Target_arm::make_data_plt): New method that calls it.
  96         (Target_arm::make_plt_entry): Use it.
  97         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
  98         for the section alignment.
  99         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
 100         method.
 101         (Output_data_plt_arm::first_plt_entry_offset): Call it.
 102         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
 103         method.
 104         (Output_data_plt_arm::get_plt_entry_size): Call it.
 105         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
 106         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
 107         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
 108         method.
 109         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
 110         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
 111         method instead of sizeof(plt_entry).
 112         (Output_data_plt_arm::add_entry): Likewise.
 113         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
 114         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
 115         than static method.
 116         (Target_arm::plt_entry_size): Likewise.
 117         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
 118         Move to ...
 119         (Output_data_plt_arm_standard): ... here, new class.
 120         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
 121         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
 122         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
 123
 124         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
 125         Take additional argument for the PLT entry size.
 126         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
 127         Use get_plt_entry_size method rather than plt_entry_size variable.
 128         (Output_data_plt_x86_64::reserve_slot): Likewise.
 129         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
 130         (Output_data_plt_x86_64::add_entry): Likewise.
 131         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
 132         (Output_data_plt_x86_64::address_for_global): Likewise.
 133         (Output_data_plt_x86_64::address_for_local): Likewise.
 134         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 135         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
 136         Make method non-static.
 137         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
 138         method.
 139         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
 140         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
 141         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
 142         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
 143         virtual method.
 144         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
 145         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
 146         virtual method.
 147         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
 148         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
 149         virtual method.
 150         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
 151         (Output_data_plt_x86_64::plt_entry_size)
 152         (Output_data_plt_x86_64::first_plt_entry)
 153         (Output_data_plt_x86_64::plt_entry)
 154         (Output_data_plt_x86_64::tlsdesc_plt_entry)
 155         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
 156         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
 157         (Output_data_plt_x86_64_standard): ... here, new class.
 158         (Target_x86_64::Target_x86_64): Take optional argument for the
 159         Target_info pointer to use.
 160         (Target_x86_64::do_make_data_plt): New virtual method.
 161         (Target_x86_64::make_data_plt): New method to call it.
 162         (Target_x86_64::init_got_plt_for_update): Use that.
 163         Call this->plt_->add_eh_frame method here.
 164         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
 165         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
 166         rather than static method.
 167         (Target_x86_64::plt_entry_size): Likewise.
 168         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
 169         rather than plt_entry_size variable.  Move guts of PLT filling to...
 170         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
 171         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
 172         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
 173
 174         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
 175         additional argument for the section alignment.
 176         Don't do add_eh_frame_for_plt here.
 177         (Output_data_plt_i386::first_plt_entry_offset): Make the method
 178         non-static.  Use get_plt_entry_size method rather than plt_entry_size
 179         variable.
 180         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
 181         method.
 182         (Output_data_plt_i386::get_plt_entry_size): Call it.
 183         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
 184         (Output_data_plt_i386::add_eh_frame): New method to call it.
 185         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
 186         method.
 187         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
 188         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
 189         method.
 190         (Output_data_plt_i386::fill_plt_entry): New method to call it.
 191         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
 192         method instead of plt_entry_size.
 193         (Output_data_plt_i386::plt_entry_size)
 194         (Output_data_plt_i386::plt_eh_frame_fde_size)
 195         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
 196         (Output_data_plt_i386_standard): ... here, new class.
 197         (Output_data_plt_i386_exec): New class.
 198         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
 199         (Output_data_plt_i386_exec::first_plt_entry): ... here.
 200         (Output_data_plt_i386::exec_plt_entry): Move to ...
 201         (Output_data_plt_i386_exec::plt_entry): ... here.
 202         (Output_data_plt_i386_dyn): New class.
 203         (Output_data_plt_i386::first_plt_entry): Move to ...
 204         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
 205         (Output_data_plt_i386::dyn_plt_entry): Move to ...
 206         (Output_data_plt_i386_dyn::plt_entry): ... here.
 207         (Target_i386::Target_i386): Take optional argument for the Target_info
 208         pointer to use.
 209         (Target_i386::do_make_data_plt): New virtual method.
 210         (Target_i386::make_data_plt): New method to call it.
 211         (Target_i386::make_plt_section): Use that.
 212         Call this->plt_->add_eh_frame method here.
 213         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
 214         rather than plt_entry_size variable.
 215         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
 216         (Output_data_plt_i386::address_for_local): Likewise.
 217         (Output_data_plt_i386::do_write): Likewise.
 218         Move guts of PLT filling to...
 219         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
 220         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
 221         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
 222         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
 223
 224 2012-05-01  Cary Coutant  <ccoutant@google.com>
 225
 226         * dwarf_reader.cc (Dwarf_die::read_attributes)
 227         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
 228         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
 229         * reduced_debug_output.cc
 230         (Output_reduced_debug_info_section::get_die_end): Remove
 231         DW_FORM_GNU_ref_index.  Add default case.
 232
 233 2012-04-26  Mark Wielaard  <mjw@redhat.com>
 234
 235         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
 236         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
 237         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
 238         DW_AT_high_pc as offset from DW_AT_low_pc.
 239
 240         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
 241         * testsuite/Makefile.in: Regenerate.
 242         * testsuite/gdb_index_test_3.c: New test source file.
 243         * testsuite/gdb_index_test_3.sh: New test source file.
 244
 245 2012-04-25  Ian Lance Taylor  <iant@google.com>
 246
 247         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
 248         pointer.
 249         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
 250         as a class, not a struct.
 251         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
 252         (Target_arm::apply_cortex_a8_workaround): Likewise.
 253         * gc.h: Declare Reloc_types as a struct, not a class.
 254         * object.h: Declare Symbols_data as a struct.
 255         * reloc.h: Declare Read_relocs_data as a struct.
 256         * target.h: Declare Relocate_info as a struct.
 257
 258 2012-04-24  David S. Miller  <davem@davemloft.net>
 259
 260         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
 261         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
 262         and R_SPARC_WPLT30.
 263
 264 2012-04-24  Cary Coutant  <ccoutant@google.com>
 265
 266         * incremental-dump.cc (find_input_containing_global): Replace
 267         magic number with symbolic constant.
 268         (dump_incremental_inputs): Update version number.
 269         * incremental.cc (Output_section_incremental_inputs): Update version
 270         number; import symbolic constants from Incremental_inputs_reader.
 271         (Incremental_inputs::create_data_sections): Align relocations
 272         section correctly for 64-bit targets.
 273         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
 274         constants; add padding.
 275         (Output_section_incremental_inputs::write_header): Add assert for
 276         header_size.
 277         (Output_section_incremental_inputs::write_input_files): Add assert
 278         for input_entry_size.
 279         (Output_section_incremental_inputs::write_info_blocks): Add padding;
 280         add assert for object_info_size, input_section_entry_size,
 281         global_sym_entry_size.
 282         * incremental.h (Incremental_inputs_reader): Add symbolic constants
 283         for data structure sizes; use them.
 284         (Incremental_input_entry_reader): Import symbolic constants from
 285         Incremental_inputs_reader; use them.
 286
 287 2012-04-23  David S. Miller  <davem@davemloft.net>
 288
 289         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
 290         and elf_flags_set_.
 291         (Target_sparc::Target_sparc): Initialize new fields.
 292         (Target_sparc::do_make_elf_object): New function.
 293         (Target_sparc::do_adjust_elf_header): New function.
 294
 295 2012-04-23  Cary Coutant  <ccoutant@google.com>
 296
 297         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
 298         CU range table of gdb index.
 299
 300 2012-04-20  David S. Miller  <davem@davemloft.net>
 301
 302         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
 303         instead of false.
 304
 305 2012-04-16  David S. Miller  <davem@davemloft.net>
 306
 307         * sparc.cc (Target_sparc::got_address): New function.
 308         (Sparc_relocate_functions::gdop_hix22): New function.
 309         (Sparc_relocate_functions::gdop_lox10): New function.
 310         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
 311         relocs.
 312         (Target_sparc::Scan::local): Likewise if the global symbol is not
 313         preemptible and is not IFUNC.
 314         (Target_sparc::Relocate::relocate): Perform GOTDATA code
 315         transformations for local and non-preemptible non-IFUNC global
 316         symbols.
 317
 318         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
 319         writing out 64-bit part of ranges.
 320
 321         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
 322         -fpic and -fpie respectively.
 323         * Makefile.in: Regenerate.
 324
 325         * sparc.cc (class Target_sparc): Add rela_ifunc_.
 326         (Target_sparc::Target_sparc): Initialize new field.
 327         (Target_sparc::do_plt_section_for_global): New function.
 328         (Target_sparc::do_plt_section_for_local): New function.
 329         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
 330         (Target_sparc::make_plt_section): New function, broken out of
 331         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
 332         (Target_sparc::make_plt_entry): Call make_plt_section.
 333         (Target_sparc::make_local_ifunc_plt_entry): New function.
 334         (Target_sparc::rela_ifunc_section): New function.
 335         (Target_sparc::plt_section): Remove const.
 336         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
 337         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
 338         and ifunc_count_ fields.
 339         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
 340         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
 341         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
 342         (Output_data_plt_sparc::rela_ifunc): New function.
 343         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
 344         (Output_data_plt_sparc::has_ifunc_section): New function.
 345         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
 346         (Output_data_plt_sparc::address_for_global): New function.
 347         (Output_data_plt_sparc::address_for_local): New function.
 348         (Output_data_plt_sparc::plt_index_to_offset): New function.
 349         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
 350         and entry_count.
 351         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
 352         entry_count.
 353         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
 354         R_SPARC_JMP_IREL to switch.
 355         (Target_sparc::Scan::check_non_pic): Likewise.
 356         (Target_sparc::Scan::local): Handle IFUNC symbols.
 357         (Target_sparc::Scan::local): Likewise.
 358         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
 359         and plt_address_for_local.
 360         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
 361         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
 362
 363         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
 364         (class Output_data_reloc): Adjust calls to Output_reloc_type.
 365         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
 366         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
 367         global relocs too.
 368         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
 369         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
 370         calls.
 371         * sparc.cc (Target_sparc::Scan::global): Likewise.
 372         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 373
 374 2012-04-16  Cary Coutant  <ccoutant@google.com>
 375
 376         * archive.cc (Library_base::should_include_member): Check for
 377         --export-dynamic-symbol.
 378         * options.h (class General_options): Add --export-dynamic-symbol.
 379         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
 380         --export-dynamic-symbol.
 381         (Symbol_table::gc_mark_undef_symbols): Likewise.
 382         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
 383
 384 2012-04-12  David S. Miller  <davem@davemloft.net>
 385
 386         * sparc.cc (Reloc::wdisp10): New relocation method.
 387         (Reloc::h34): Likewise.
 388         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
 389         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
 390         R_SPARC_WDISP10.
 391         (Target_sparc::Scan::local): Likewise.
 392         (Target_sparc::Scan::global): Likewise.
 393         (Target_sparc::Relocate::relocate): Likewise.
 394
 395 2012-04-09  Cary Coutant  <ccoutant@google.com>
 396
 397         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
 398         low_pc == 0.
 399
 400 2012-04-06  Ian Lance Taylor  <iant@google.com>
 401
 402         * timer.cc: #include <unistd.h>.
 403
 404 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 405
 406         * configure.in (AC_CHECK_HEADERS): Add locale.h.
 407         * config.in: Regenerate.
 408         * configure: Regenerate.
 409
 410 2012-04-05  Nick Clifton  <nickc@redhat.com>
 411
 412         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
 413         (AM_LC_MESSAGES): Add.
 414         * aclocal.m4: Regenerate.
 415         * config.in: Regenerate.
 416         * configure: Regenerate.
 417
 418 2012-03-21  Cary Coutant  <ccoutant@google.com>
 419
 420         * Makefile.am: Add gdb-index.cc, gdb-index.h.
 421         * Makefile.in: Regenerate.
 422         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
 423         (Sized_elf_reloc_mapper::symbol_section): New function.
 424         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
 425         (make_elf_reloc_mapper): New function.
 426         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
 427         (Dwarf_abbrev_table::do_read_abbrevs): New function.
 428         (Dwarf_abbrev_table::do_get_abbrev): New function.
 429         (Dwarf_ranges_table::read_ranges_table): New function.
 430         (Dwarf_ranges_table::read_range_list): New function.
 431         (Dwarf_pubnames_table::read_section): New function.
 432         (Dwarf_pubnames_table::read_header): New function.
 433         (Dwarf_pubnames_table::next_name): New function.
 434         (Dwarf_die::Dwarf_die): New function.
 435         (Dwarf_die::read_attributes): New function.
 436         (Dwarf_die::skip_attributes): New function.
 437         (Dwarf_die::set_name): New function.
 438         (Dwarf_die::set_linkage_name): New function.
 439         (Dwarf_die::attribute): New function.
 440         (Dwarf_die::string_attribute): New function.
 441         (Dwarf_die::int_attribute): New function.
 442         (Dwarf_die::uint_attribute): New function.
 443         (Dwarf_die::ref_attribute): New function.
 444         (Dwarf_die::child_offset): New function.
 445         (Dwarf_die::sibling_offset): New function.
 446         (Dwarf_info_reader::check_buffer): New function.
 447         (Dwarf_info_reader::parse): New function.
 448         (Dwarf_info_reader::do_parse): New function.
 449         (Dwarf_info_reader::do_read_string_table): New function.
 450         (Dwarf_info_reader::lookup_reloc): New function.
 451         (Dwarf_info_reader::get_string): New function.
 452         (Dwarf_info_reader::visit_compilation_unit): New function.
 453         (Dwarf_info_reader::visit_type_unit): New function.
 454         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
 455         Sized_elf_reloc_mapper.
 456         (Sized_dwarf_line_info::symbol_section): Remove function.
 457         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
 458         (Sized_dwarf_line_info::read_line_mappings): Remove object
 459         parameter, adjust callers.
 460         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
 461         * dwarf_reader.h: Include <sys/types.h>.
 462         (class Track_relocs): Remove forward declaration.
 463         (class Elf_reloc_mapper): New class.
 464         (class Sized_elf_reloc_mapper): New class.
 465         (class Dwarf_abbrev_table): New class.
 466         (class Dwarf_range_list): New class.
 467         (class Dwarf_ranges_table): New class.
 468         (class Dwarf_pubnames_table): New class.
 469         (class Dwarf_die): New class.
 470         (class Dwarf_info_reader): New class.
 471         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
 472         (Sized_dwarf_line_info::symbol_section): Remove member function.
 473         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
 474         base class.
 475         * gdb-index.cc: New source file.
 476         * gdb-index.h: New source file.
 477         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
 478         and .debug_types sections, call Layout::add_to_gdb_index.
 479         (Sized_relobj_incr::do_section_name): Implement.
 480         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
 481         return type; Implement.
 482         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 483         return type.
 484         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 485         parameter list and return type.
 486         (Sized_incr_dynobj::do_section_contents): Likewise.
 487         * layout.cc: Include gdb-index.h.
 488         (Layout::Layout): Initialize gdb_index_data_.
 489         (Layout::init_fixed_output_section): Check for .gdb_index section.
 490         (Layout::add_to_gdb_index): New function. Instantiate.
 491         * layout.h: Add forward declaration for class Gdb_index.
 492         (Layout::add_to_gdb_index): New member function.
 493         (Layout::gdb_index_data_): New data member.
 494         * main.cc: Include gdb-index.h.
 495         (main): Print statistics for gdb index.
 496         * object.cc (Object::section_contents): Move code into
 497         do_section_contents.
 498         (need_decompressed_section): Check for sections needed when building
 499         gdb index.
 500         (build_compressed_section_map): Likewise.
 501         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 502         gdb index.
 503         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 504         sections; call Layout::add_to_gdb_index.
 505         (Sized_relobj_file::do_decompressed_section_contents): Call
 506         do_section_contents directly.
 507         * object.h (Object::do_section_contents): Adjust parameter list and
 508         return type.
 509         (Object::do_decompressed_section_contents): Call do_section_contents
 510         directly.
 511         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 512         return type.
 513         * options.h (class General_options): Add --gdb-index option.
 514         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 515         list and return type.
 516         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 517         * reloc.h (Track_relocs::checkpoint): New function.
 518         (Track_relocs::reset): New function.
 519
 520         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 521         New test cases.
 522         * testsuite/Makefile.in: Regenerate.
 523         * testsuite/gdb_index_test.cc: New test source file.
 524         * testsuite/gdb_index_test_1.sh: New test source file.
 525         * testsuite/gdb_index_test_2.sh: New test source file.
 526
 527 2012-03-19  Doug Kwan  <dougkwan@google.com>
 528
 529         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 530         (Target_arm::do_finalize_sections): Remove code which defines
 531         __exidx_start and __exidx_end.  Make symbol table parameter
 532         anonymous as it is not used.
 533         * gold.cc (queue_middle_tasks): Call target hook to define any
 534         target-specific symbols.
 535         * target.h (Target::define_standard_symbols): New method.
 536         (Target::do_define_standard_symbols): Same.
 537         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 538         * testsuite/Makefile.in: Regenerate.
 539         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 540         and __exidx_end.
 541         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 542         relocations are generated for __exidx_start and __exidx_end.
 543
 544 2012-03-16  Doug Kwan  <dougkwan@google.com>
 545
 546         * testsuite/Makefile.am: Disable test initpri3b.
 547         * testsuite/Makefile.in: Regenerate.
 548
 549 2012-03-15  Doug Kwan  <dougkwan@google.com>
 550
 551         * arm.cc (Target_arm::got_section): Make .got section read-only
 552         if -z now is given.
 553
 554 2012-03-15  Ian Lance Taylor  <iant@google.com>
 555
 556         PR gold/13850
 557         * layout.cc (Layout::make_output_section): Correctly mark
 558         SHT_INIT_ARRAY, et. al., as relro.
 559
 560 2012-03-14  Doug Kwan  <dougkwan@google.com>
 561
 562         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 563         dynamic relocations for protected symbols in shared objects.
 564
 565 2012-03-13  Ian Lance Taylor  <iant@google.com>
 566
 567         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 568         keep the larger alignment.
 569
 570 2012-03-12  Cary Coutant  <ccoutant@google.com>
 571
 572         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 573         handling of DW_LNE_define_file.
 574
 575 2012-03-12  Cary Coutant  <ccoutant@google.com>
 576
 577         * reduced_debug_output.cc
 578         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 579         codes to switch.
 580
 581 2012-02-29  Cary Coutant  <ccoutant@google.com>
 582
 583         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 584
 585 2012-02-29  Cary Coutant  <ccoutant@google.com>
 586
 587         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 588         Call Object::decompressed_section_contents.
 589         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 590         New dtor.
 591         (Sized_dwarf_line_info::buffer_start_): New data member.
 592         * merge.cc (Output_merge_data::do_add_input_section): Call
 593         Object::decompressed_section_contents.
 594         (Output_merge_string::do_add_input_section): Likewise.
 595         * object.cc (need_decompressed_section): New function.
 596         (build_compressed_section_map): Decompress sections needed later.
 597         (Sized_relobj_file::do_decompressed_section_contents): New function.
 598         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 599         * object.h (Object::decompressed_section_contents): New function.
 600         (Object::discard_decompressed_sections): New function.
 601         (Object::do_decompressed_section_contents): New function.
 602         (Object::do_discard_decompressed_sections): New function.
 603         (Compressed_section_info): New type.
 604         (Compressed_section_map): Include decompressed section contents.
 605         (Sized_relobj_file::do_decompressed_section_contents): New function.
 606         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 607
 608 2012-02-16  Cary Coutant  <ccoutant@google.com>
 609
 610         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 611         * testsuite/Makefile.in: Regenerate.
 612
 613 2012-02-14  Cary Coutant  <ccoutant@google.com>
 614
 615         * options.cc (General_options::finalize): Disallow -pie and -static.
 616
 617 2012-02-03  Doug Kwan  <dougkwan@google.com>
 618
 619         * arm.cc (Arm_relocate_functions::abs8,
 620         Arm_relocate_functions::abs16): Use
 621         Bits::has_signed_unsigned_overflow32.
 622         (Arm_relocate_functions::thm_abs8): Correct range of
 623         overflow check.
 624         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 625         in assertions.
 626
 627 2012-02-02  Doug Kwan  <dougkwan@google.com>
 628
 629         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 630         position independent outputs, not just shared objects.
 631
 632 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 633
 634         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 635         * configure: Regenerated.
 636
 637 2012-01-27  Ian Lance Taylor  <iant@google.com>
 638
 639         * reloc.h (Bits): New class with static functions, copied from
 640         namespace utils in arm.cc.
 641         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 642         instead.
 643
 644 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 645
 646         * incremental.cc (write_info_blocks): Correct relocation offset.
 647
 648 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 649
 650         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 651         (Relocate::tls_gd_to_le): Likewise.
 652
 653 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 654
 655         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 656
 657 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 658
 659         * configure.ac: Check if -mcmodel=medium works.
 660         * configure: Regenerated.
 661
 662 2012-01-24  Cary Coutant  <ccoutant@google.com>
 663
 664         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 665         definition and ...
 666         (read_unsigned_LEB_128_x): ... this new function.
 667         (read_signed_LEB_128): Replaced with inline definition and ...
 668         (read_signed_LEB_128_x): ... this new function.
 669         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 670         (read_unsigned_LEB_128): Add inline definition.
 671         (read_signed_LEB_128_x): New function.
 672         (read_signed_LEB_128): Add inline definition.
 673         * testsuite/Makefile.am (leb128_unittest): New unit test.
 674         * testsuite/Makefile.in: Regenerate.
 675         * testsuite/leb128_unittest.cc: New unit test.
 676
 677 2012-01-23  Ian Lance Taylor  <iant@google.com>
 678
 679         PR gold/13617
 680         * i386.cc (Target_i386::do_code_fill): When using a jmp
 681         instruction, pad with nop instructions.
 682         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 683
 684 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 685
 686         * x86_64.cc (gc_process_relocs): Add typename on types used in
 687         template.
 688         (scan_relocs): Likewise.
 689         (relocate_section): Likewise.
 690         (apply_relocation): Likewise.
 691
 692 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 693
 694         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 695         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 696         under x32.
 697
 698 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 699
 700         * x86_64.cc: Initial support for x32.
 701
 702 2012-01-03  Cary Coutant  <ccoutant@google.com>
 703
 704         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 705         Use abstract base class for GOT.
 706         * gold/output.h (class Output_data_got_base): New abstract base class.
 707         (class Output_data_got): Derive from new base class, adjust ctors.
 708         (Output_data_got::reserve_slot): Make virtual; rename to
 709         do_reserve_slot; Adjust callers.
 710         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 711         pointer to abstract base class.
 712         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 713
 714 2011-12-18  Ian Lance Taylor  <iant@google.com>
 715
 716         * object.h (Relobj::local_symbol_value): New function.
 717         (Relobj::local_plt_offset): New function.
 718         (Relobj::local_has_got_offset): New function.
 719         (Relobj::local_got_offset): New function.
 720         (Relobj::set_local_got_offset): New function.
 721         (Relobj::do_local_symbol_value): New pure virtual function.
 722         (Relobj::do_local_plt_offset): Likewise.
 723         (Relobj::do_local_has_got_offset): Likewise.
 724         (Relobj::do_local_got_offset): Likewise.
 725         (Relobj::do_set_local_got_offset): Likewise.
 726         (Sized_relobj::do_local_has_got_offset): Rename from
 727         local_has_got_offset.
 728         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 729         (Sized_relobj::do_set_local_got_offset): Rename from
 730         set_local_got_offset.
 731         (Sized_relobj_file::do_local_plt_offset): Rename from
 732         local_plt_offset.
 733         (Sized_relobj_file::do_local_symbol_value): New function.
 734         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 735         local_plt_offset.
 736         * output.cc (Output_data_got::Got_entry::write): Change object to
 737         Relobj.  Use local_symbol_value.
 738         (Output_data_got::add_global_with_rel): Change rel_dyn to
 739         Output_data_reloc_generic*.  Use add_global_generic.
 740         (Output_data_got::add_global_with_rela): Remove.  Change all
 741         callers to use add_global_with_rel.
 742         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 743         Output_data_reloc_generic*.  Use add_global_generic.
 744         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 745         callers to use add_global_pair_with_rel.
 746         (Output_data_got::add_local): Change object to Relobj*.
 747         (Output_data_got::add_local_plt): Likewise.
 748         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 749         change rel_dyn to Output_data_reloc_generic*.  Use
 750         add_local_generic.
 751         (Output_data_got::add_local_with_rela): Remove.  Change all
 752         callers to use all_local_with_rel.
 753         (Output_data_got::add_local_pair_with_rel): Change object to
 754         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 755         add_output_section_generic.
 756         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 757         callers to use add_local_pair_with_rel.
 758         (Output_data_got::reserve_local): Change object to Relobj*.
 759         * output.h: (class Output_data_reloc_generic): Add pure virtual
 760         declarations for add_global_generic, add_local_generic,
 761         add_output_section_generic.
 762         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 763         functions for Output_data_reloc_generic.  Update declarations for
 764         changes listed in output.cc.
 765         (class Output_data_got): Change template parameter to got_size.
 766         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 767         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 768         function.
 769         (Sized_relobj_incr::do_local_plt_offset): New function.
 770         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 771         add_global_generic.
 772
 773 2011-12-17  Cary Coutant  <ccoutant@google.com>
 774
 775         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 776         * resolve.cc (Symbol_table::resolve): Likewise.
 777         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 778         arrays.
 779         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 780
 781 2011-12-16  Ian Lance Taylor  <iant@google.com>
 782
 783         * output.h (Output_data_reloc_generic::add): Only call
 784         add_dynamic_reloc if this is a dynamic reloc section.
 785
 786 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 787
 788         PR gold/13505
 789         * target-reloc.h (apply_relocation): Replace <64, false> with
 790         <size, big_endian>.
 791
 792 2011-11-25  Nick Clifton  <nickc@redhat.com>
 793
 794         * po/it.po: New Italian translation.
 795
 796 2011-11-17  Sterling Augustine  <saugustine@google.com>
 797
 798         * script.cc (script_include_directive): Implement.
 799         (read_script_file): New local variables name and search_path. Update
 800         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 801         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 802         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 803
 804 2011-11-11  Sterling Augustine  <saugustine@google.com>
 805
 806         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 807         (file_or_sections_cmd): Likewise.
 808
 809 2011-11-11  Doug Kwan  <dougkwan@google.com>
 810
 811         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 812         if --just-symbols is given.
 813
 814 2011-11-10  Doug Kwan  <dougkwan@google.com>
 815
 816         PR gold/13362
 817         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 818         when processing data relocs.
 819         * reloc.h (Relocate_functions::rel_unaligned): New method.
 820         (Relocate_functions::pcrel_unaligned): Ditto.
 821         (Relocate_functions::rel32_unaligned): Ditto.
 822         (Relocate_functions::pcrel32_unaligned): Ditto.
 823
 824 2011-11-09  Doug Kwan  <dougkwan@google.com>
 825
 826         PR gold/13362
 827         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 828         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 829         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 830         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 831         (Relocate_functions::rel_unaligned): New.
 832         (Relocate_functions::rel32_unaligned): New.
 833         * target-reloc.h (relocate_for_relocatable): Add code to handle
 834         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 835         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 836         arm_unaligned_reloc_r): New targets.
 837         * testsuite/Makefile.in: Regenerate.
 838         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 839         linking.
 840
 841 2011-11-02  Ian Lance Taylor  <iant@google.com>
 842
 843         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 844         NATIVE_LINKER.
 845         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 846         * options.cc (General_options::finalize): Use library search path
 847         from configure script if specified.  If not native and no sysroot,
 848         only search TOOLLIBDIR.
 849         * options.h (Search_directory::Search_directory): Change name to
 850         const std::string&.
 851         (General_options::add_to_library_path_with_sysroot): Change arg to
 852         const std::string&.
 853         * configure, Makefile.in, config.in: Rebuild.
 854
 855 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 856
 857         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 858         we are working around the ARM1176 Erratum.
 859         * options.h (General_options::fix_arm1176): Add option.
 860         * testsuite/Makefile.am: Add testcases, and keep current ones
 861         working.
 862         * testsuite/Makefile.in: Regenerate.
 863         * testsuite/arm_fix_1176.s: New file.
 864         * testsuite/arm_fix_1176.sh: Likewise.
 865
 866 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 867
 868         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 869         may_use_blx_.
 870         (Target_arm::may_use_blx): Remove method.
 871         (Target_arm::set_may_use_blx): Likewise.
 872         (Target_arm::may_use_v4t_interworking): New method.
 873         (Target_arm::may_use_v5t_interworking): Likewise.
 874         (Target_arm::may_use_blx_): Remove member variable.
 875         (Arm_relocate_functions::arm_branch_common): Check for v5T
 876         interworking.
 877         (Arm_relocate_functions::thumb_branch_common): Likewise.
 878         (Reloc_stub::stub_type_for_reloc): Likewise.
 879         (Target_arm::do_finalize_sections): Correct interworking checks.
 880         * testsuite/Makefile.am: Add new tests.
 881         * testsuite/Makefile.in: Regenerate.
 882         * testsuite/arm_farcall_arm_arm.s: New test.
 883         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 884         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 885         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 886         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 887         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 888         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 889         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 890
 891 2011-10-31  Cary Coutant  <ccoutant@google.com>
 892
 893         PR gold/13023
 894         * expression.cc (Expression::eval_with_dot): Add
 895         is_section_dot_assignment parameter.
 896         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 897         absolute and assigning to dot within a section.
 898         * script-sections.cc
 899         (Output_section_element_assignment::set_section_addresses): Pass
 900         dot_section to set_if_absolute.
 901         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 902         as is_section_dot_assignment flag to eval_with_dot.
 903         (Output_section_element_dot_assignment::set_section_addresses):
 904         Likewise.
 905         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 906         parameter.  Also set value if relative to dot_section; set the
 907         symbol's output_section.
 908         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 909         parameter.  Adjust all callers.
 910         (Expression::eval_maybe_dot): Likewise.
 911         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 912         Adjust all callers.
 913         * testsuite/script_test_2.t: Test assignment of an absolute value
 914         to dot within an output section element.
 915
 916 2011-10-31  Cary Coutant  <ccoutant@google.com>
 917
 918         * options.h (class General_options): Add --[no-]gnu-unique options.
 919         * symtab.cc (Symbol_table::sized_write_globals): Convert
 920         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 921
 922 2011-10-31  Cary Coutant  <ccoutant@google.com>
 923
 924         PR gold/13359
 925         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 926         unnecessary assertion.
 927         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 928
 929 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 930
 931         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 932         gc_mark_symbol.
 933         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 934         gc_mark_symbol.
 935         Change to just keep the section associated with symbol.
 936         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 937         they are externally visible and --export-dynamic is turned on.
 938         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 939
 940 2011-10-19  Ian Lance Taylor  <iant@google.com>
 941
 942         PR gold/13163
 943         * script-sections.cc
 944         (Output_section_element_dot_assignment::needs_output_section): New
 945         function.
 946
 947 2011-10-19  Ian Lance Taylor  <iant@google.com>
 948
 949         PR gold/13204
 950         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 951         --section-start option was seen.
 952         * options.h (General_options::any_section_start): New function.
 953
 954 2011-10-18  David S. Miller  <davem@davemloft.net>
 955
 956         PR binutils/13301
 957         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 958         member to track relocation locations that have moved during TLS
 959         reloc optimizations.
 960         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 961         (Target_sparc::Relocate::relocate): Adjust view down by 4
 962         bytes if it matches reloc_adjust_addr_.
 963         (Target_sparc::Relocate::relocate_tls): Always move the
 964         __tls_get_addr call delay slot instruction forward 4 bytes when
 965         performing relaxation.
 966
 967 2011-10-18  Cary Coutant  <ccoutant@google.com>
 968
 969         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 970         (Output_file::map_no_anonymous): Check for non-zero
 971         return code from posix_fallocate.
 972
 973 2011-10-17  Cary Coutant  <ccoutant@google.com>
 974
 975         PR gold/13245
 976         * plugin.cc (is_visible_from_outside): Check for symbols
 977         referenced from dynamic objects.
 978         * resolve.cc (Symbol_table::resolve): Don't count references
 979         from dynamic objects as references from real ELF files.
 980         * testsuite/plugin_test_2.sh: Adjust expected result.
 981
 982 2011-10-17  Cary Coutant  <ccoutant@google.com>
 983
 984         * gold.cc: Include timer.h.
 985         (queue_middle_tasks): Stamp time.
 986         (queue_final_tasks): Likewise.
 987         * main.cc (main): Store timer in parameters.  Print timers
 988         for each pass.
 989         * parameters.cc (Parameters::Parameters): Initialize timer_.
 990         (Parameters::set_timer): New function.
 991         (set_parameters_timer): New function.
 992         * parameters.h (Parameters::set_timer): New function.
 993         (Parameters::timer): New function.
 994         (Parameters::timer_): New data member.
 995         (set_parameters_timer): New function.
 996         * timer.cc (Timer::stamp): New function.
 997         (Timer::get_pass_time): New function.
 998         * timer.h (Timer::stamp): New function.
 999         (Timer::get_pass_time): New function.
1000         (Timer::pass_times_): New data member.
1001
1002 2011-10-17  Cary Coutant  <ccoutant@google.com>
1003
1004         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1005         task for members of lib groups.
1006
1007 2011-10-17  Cary Coutant  <ccoutant@google.com>
1008
1009         PR gold/13288
1010         * fileread.cc (File_read::find_view): Add assert.
1011         (File_read::make_view): Move bounds check (replace with assert)...
1012         (File_read::find_or_make_view): ... to here.
1013
1014 2011-10-12  Cary Coutant  <ccoutant@google.com>
1015
1016         * output.cc (Output_file::open_base_file): Handle case where
1017         ::read returns less than requested size.
1018
1019 2011-10-10  Cary Coutant  <ccoutant@google.com>
1020
1021         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1022         Initialize defined_count_.
1023         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1024         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1025         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1026         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1027         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1028         * incremental.h (Sized_relobj_incr::defined_count_): New data
1029         member.
1030         (Sized_incr_dynobj::defined_count_): New data member.
1031         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1032         Return zeroes instead of internal error.
1033
1034 2011-10-10  Cary Coutant  <ccoutant@google.com>
1035
1036         PR gold/13249
1037         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1038         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1039         * output.h (class Output_reloc): Add use_plt_offset flag.
1040         (Output_reloc::type_): Adjust size of bit field.
1041         (Output_reloc::use_plt_offset_): New bit field.
1042         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1043         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1044         flag.  Adjust all callers.
1045         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1046         creating RELATIVE relocations.
1047
1048 2011-10-10  Nick Clifton  <nickc@redhat.com>
1049
1050         * po/es.po: Updated Spanish translation.
1051         * po/fi.po: Updated Finnish translation.
1052
1053 2011-10-03   Diego Novillo  <dnovillo@google.com>
1054
1055         * options.cc (parse_uint): Fix dereference of RETVAL.
1056
1057 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1058
1059         * layout.h (section_order_map_): New member.
1060         (get_section_order_map): New member function.
1061         * output.cc (Output_section::add_input_section): Check for patterns
1062         only when --section-ordering-file is specified.
1063         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1064         output_sections have been formed.
1065         * layout.cc (Layout_Layout): Initialize section_order_map_.
1066         * plugin.cc (update_section_order): Store order in order_map. Do not
1067         update the order.
1068         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1069         * testsuite/Makefile.in: Regenerate.
1070         * testsuite/plugin_section_order.c: New file.
1071         * testsuite/plugin_final_layout.cc: New file.
1072         * testsuite/plugin_final_layout.sh: New file.
1073
1074 2011-09-29  Cary Coutant  <ccoutant@google.com>
1075
1076         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1077         Check for NULL.
1078         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1079         symbols during incremental update.
1080         (Symbol_table::add_from_dynobj): Likewise.
1081
1082 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1083             Ian Lance Taylor  <iant@google.com>
1084
1085         * symtab.cc (Symbol_table::define_special_symbol): Always
1086         canonicalize version string.
1087
1088 2011-09-26  Cary Coutant  <ccoutant@google.com>
1089
1090         * gold.cc (queue_initial_tasks): Move option checks ...
1091         * options.cc (General_options::finalize): ... to here. Disable
1092         some options; make others fatal.
1093
1094 2011-09-26  Cary Coutant  <ccoutant@google.com>
1095
1096         gcc PR lto/47247
1097         * plugin.cc (get_symbols_v2): New function.
1098         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1099         (is_referenced_from_outside): New function.
1100         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1101         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1102         (get_symbols): Pass version parameter.
1103         (get_symbols_v2): New function.
1104         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1105         parameter.
1106         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1107         (onload): Add LDPT_GET_SYMBOLS_V2.
1108         (all_symbols_read_hook): Use get_symbols_v2; check for
1109         LDPR_PREVAILING_DEF_IRONLY_EXP.
1110         * testsuite/plugin_test_3.sh: Update expected results.
1111
1112 2011-09-23  Simon Baldwin  <simonb@google.com>
1113
1114         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1115         configuration options.
1116         * configure: Regenerate.
1117         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1118         * Makefile.in: Regenerate.
1119         * testsuite/Makefile.in: Regenerate.
1120
1121 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1122
1123         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1124
1125 2011-09-19  Cary Coutant  <ccoutant@google.com>
1126
1127         * incremental.cc (can_incremental_update): Fix typo in comment.
1128         * incremental.h (can_incremental_update): Likewise.
1129
1130 2011-09-18  Cary Coutant  <ccoutant@google.com>
1131
1132         * incremental.cc (can_incremental_update): New function.
1133         * incremental.h (can_incremental_update): New function.
1134         * layout.cc (Layout::init_fixed_output_section): Call it.
1135         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1136         * object.cc (Sized_relobj_file::do_layout): Call
1137         can_incremental_update.
1138
1139 2011-09-13  Cary Coutant  <ccoutant@google.com>
1140
1141         * configure.ac: Check for glibc support for gnu_indirect_function
1142         support with static linking, setting automake conditional
1143         IFUNC_STATIC.
1144         * Makefile.in: Regenerate.
1145         * configure: Regenerate.
1146
1147         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1148         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1149         for IFUNC_STATIC.
1150         * testsuite/Makefile.in: Regenerate.
1151
1152 2011-09-13  Cary Coutant  <ccoutant@google.com>
1153
1154         * incremental.cc (Sized_relobj_incr::do_layout): Call
1155         report_comdat_group for kept comdat sections.
1156         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1157         * testsuite/Makefile.in: Regenerate.
1158         * testsuite/incr_comdat_test_1.cc: New source file.
1159         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1160         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1161         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1162
1163 2011-09-13  Ian Lance Taylor  <iant@google.com>
1164
1165         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1166         variable external_symbols_offset.
1167
1168 2011-09-12  Ian Lance Taylor  <iant@google.com>
1169
1170         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1171         triggered if object has no symbols.
1172
1173 2011-09-09  David S. Miller  <davem@davemloft.net>
1174
1175         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1176         (Output_fill_debug_line::do_write): Likewise.
1177
1178 2011-08-29  Cary Coutant  <ccoutant@google.com>
1179
1180         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1181         casts to match formatting specs.
1182         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1183
1184 2011-08-26  Cary Coutant  <ccoutant@google.com>
1185
1186         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1187         remaining hole size when allocating.
1188         (Layout::make_output_section): Set fill methods for debug sections.
1189         * layout.h (Free_list::Free_list_node): Move from private to
1190         public.
1191         (Free_list::set_min_hole_size): New function.
1192         (Free_list::begin, Free_list::end): New functions.
1193         (Free_list::min_hole_): New data member.
1194         * output.cc: Include dwarf.h.
1195         (Output_fill_debug_info::do_minimum_hole_size): New function.
1196         (Output_fill_debug_info::do_write): New function.
1197         (Output_fill_debug_line::do_minimum_hole_size): New function.
1198         (Output_fill_debug_line::do_write): New function.
1199         (Output_section::Output_section): Initialize new data member.
1200         (Output_section::set_final_data_size): Ensure patch space is larger
1201         than minimum hole size.
1202         (Output_section::do_write): Fill holes in debug sections.
1203         * output.h (Output_fill): New class.
1204         (Output_fill_debug_info): New class.
1205         (Output_fill_debug_line): New class.
1206         (Output_section::set_free_space_fill): New function.
1207         (Output_section::free_space_fill_): New data member.
1208         * testsuite/Makefile.am (incremental_test_3): Add
1209         --incremental-patch option.
1210         (incremental_test_4): Likewise.
1211         (incremental_test_5): Likewise.
1212         (incremental_test_6): Likewise.
1213         (incremental_copy_test): Likewise.
1214         (incremental_common_test_1): Likewise.
1215         * testsuite/Makefile.in: Regenerate.
1216
1217 2011-08-26  Nick Clifton  <nickc@redhat.com>
1218
1219         * po/es.po: Updated Spanish translation.
1220
1221 2011-08-01  Cary Coutant  <ccoutant@google.com>
1222
1223         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
1224         * gold/testsuite/Makefile.in: Regenerate.
1225         * gold/testsuite/justsyms_exec.c: New source file.
1226         * gold/testsuite/justsyms_lib.c: New source file.
1227
1228 2011-08-01  Cary Coutant  <ccoutant@google.com>
1229
1230         * layout.cc (Layout::set_segment_offsets): Don't realign text
1231         segment if -Ttext was specified.
1232         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1233         file type.
1234         * object.h (Sized_relobj_file::e_type): New function.
1235         (Sized_relobj_file::e_type_): New data member.
1236         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1237         base address for ET_EXEC files.
1238         * target.cc (Target::do_make_elf_object_implementation): Allow
1239         ET_EXEC files with --just-symbols option.
1240
1241 2011-07-28  Cary Coutant  <ccoutant@google.com>
1242
1243         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1244         Add thread_number parameter.
1245         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1246         * workqueue-threads.cc
1247         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1248         current thread if its thread number is greater than desired thread
1249         count.
1250         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1251         Add thread_number parameter.
1252         (Workqueue::should_cancel_thread): Likewise.
1253         (Workqueue::find_runnable_or_wait): Pass thread_number to
1254         should_cancel_thread.
1255         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1256         parameter.
1257
1258 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1259
1260         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1261         only after checking if it cannot be forced local.
1262         * symtab.h (is_externally_visible): Check if the symbol is not forced
1263         local.
1264
1265 2011-07-15  Ian Lance Taylor  <iant@google.com>
1266
1267         * options.h (class General_options): Add --print-output-format.
1268         Move -EL next to -EB, for  better --help output.
1269         * target-select.cc: Include <cstdio>, "options.h", and
1270         "parameters.h".
1271         (Target_selector::do_target_bfd_name): New function.
1272         (print_output_format): New function.
1273         * target-select.h (class Target_selector): Update declarations.
1274         (Target_selector::target_bfd_name): New function.
1275         (print_output_format): Declare.
1276         * main.cc: Include "target-select.h".
1277         (main): Handle --print-output-format.
1278         * gold.cc: Include "target-select.h".
1279         (queue_initial_tasks): Handle --print-output-format when there are
1280         no input files.
1281         * parameters.cc (parameters_force_valid_target): Give a better
1282         error message if -EB/-EL does not match target.
1283         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
1284         function.
1285
1286 2011-07-15  Ian Lance Taylor  <iant@google.com>
1287
1288         * i386.cc (class Output_data_plt_i386): Add layout_ field.
1289         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
1290         (Output_data_plt_i386::do_write): Write address of .dynamic
1291         section to first entry in .got.plt section.
1292         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
1293         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1294         Initialize layout_.
1295         (Output_data_plt_x86_64::do_write): Write address of .dynamic
1296         section to first entry in .got.plt section.
1297         * layout.h (Layout::dynamic_section): New function.
1298
1299 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
1300
1301         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
1302         to claim_file call.
1303         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1304         input_section_position_, and input_section_glob_.
1305         (read_layout_from_file): Call function section_ordering_specified.
1306         * layout.h (is_section_ordering_specified): New function.
1307         (section_ordering_specified): New function.
1308         (section_ordering_specified_): New boolean member.
1309         * main.cc(main): Call load_plugins after layout object is defined.
1310         * output.cc (Output_section::add_input_section): Use
1311         function section_ordering_specified to check if section ordering is
1312         needed.
1313         * output.cc (Output_section::add_relaxed_input_section): Use
1314         function section_ordering_specified to check if section ordering is
1315         needed.
1316         (Output_section::update_section_layout): New function.
1317         (Output_section::sort_attached_input_sections): Check if input section
1318         must be reordered.
1319         * output.h (Output_section::update_section_layout): New function.
1320         * plugin.cc (get_section_count): New function.
1321         (get_section_type): New function.
1322         (get_section_name): New function.
1323         (get_section_contents): New function.
1324         (update_section_order): New function.
1325         (allow_section_ordering): New function.
1326         (Plugin::load): Add the new interfaces to the transfer vector.
1327         (Plugin_manager::load_plugins): New parameter.
1328         (Plugin_manager::all_symbols_read): New parameter.
1329         (Plugin_manager::claim_file): New parameter. Save the elf object for
1330         unclaimed objects.
1331         (Plugin_manager::get_elf_object): New function.
1332         (Plugin_manager::get_view): Change to directly use the bool to check
1333         if get_view is called from claim_file_hook.
1334         * plugin.h (input_objects): New function
1335         (Plugin__manager::load_plugins): New parameter.
1336         (Plugin_manager::claim_file): New parameter.
1337         (Plugin_manager::get_elf_object): New function.
1338         (Plugin_manager::in_claim_file_handler): New function.
1339         (Plugin_manager::in_claim_file_handler_): New member.
1340         (layout): New function.
1341         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1342         handler with an extra parameter. Make the elf object before calling
1343         claim_file handler.
1344         * testsuite/plugin_test.c (get_section_count): New function pointer.
1345         (get_section_type): New function pointer.
1346         (get_section_name): New function pointer.
1347         (get_section_contents): New function pointer.
1348         (update_section_order): New function pointer.
1349         (allow_section_ordering): New function pointer.
1350         (onload): Check if the new interfaces exist.
1351
1352 2011-07-13  Ian Lance Taylor  <iant@google.com>
1353
1354         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1355         relro section.
1356         * x86_64.cc (Target_x86_64::got_section): Likewise.
1357         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1358         (relro_now_test_SOURCES): New variable.
1359         (relro_now_test_DEPENDENCIES): New variable.
1360         (relro_now_test_LDFLAGS): New variable.
1361         (relro_now_test_LDADD): New variable.
1362         (relro_now_test.so): New target.
1363         * testsuite/Makefile.in: Rebuild.
1364
1365 2011-07-12  Ian Lance Taylor  <iant@google.com>
1366
1367         PR gold/12980
1368         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1369         GLOB_DAT relocation rather than a RELATIVE relocation for a
1370         protected symbol when creating a shared library.
1371         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1372         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1373         * testsuite/protected_main_1.cc (main): Test that protected
1374         function has same address.
1375
1376 2011-07-11  Ian Lance Taylor  <iant@google.com>
1377
1378         PR gold/12979
1379         * options.h (class General_options): Add -Bgroup.
1380         * options.cc (General_options::finalize): If -Bgroup is set,
1381         default to --unresolved-symbols=report-all.
1382         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1383         * target-reloc.h (issue_undefined_symbol_error): Handle
1384         --unresolved-symbols=report-all.
1385
1386 2011-07-08  Ian Lance Taylor  <iant@google.com>
1387
1388         PR gold/11985
1389         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1390         if linker script discards key sections.
1391         (Layout::create_dynamic_symtab): Likewise.
1392         (Layout::assign_local_dynsym_offsets): Likewise.
1393         (Layout::sized_create_version_sections): Likewise.
1394         (Layout::create_interp): Likewise.
1395         (Layout::finish_dynamic_section): Likewise.
1396         (Layout::set_dynamic_symbol_size): Likewise.
1397
1398 2011-07-08  Ian Lance Taylor  <iant@google.com>
1399
1400         PR gold/12386
1401         * options.h (class General_options): Add --unresolved-symbols.
1402         * target-reloc.h (issue_undefined_symbol_error): Check
1403         --unresolved-symbols.  Add comments.
1404
1405 2011-07-08  Ian Lance Taylor  <iant@google.com>
1406
1407         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1408         expression more complex.
1409
1410 2011-07-08  Ian Lance Taylor  <iant@google.com>
1411
1412         PR gold/11317
1413         * target-reloc.h (issue_undefined_symbol_error): New inline
1414         function, broken out of relocate_section.
1415         (relocate_section): Call issue_undefined_symbol_error.
1416         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1417         there is no TLS segment if we are about to issue an undefined
1418         symbol error.
1419         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1420
1421 2011-07-08  Ian Lance Taylor  <iant@google.com>
1422
1423         PR gold/12279
1424         * resolve.cc (Symbol_table::should_override): Add fromtype
1425         parameter.  Change all callers.  Give error when linking together
1426         TLS and non-TLS symbol.
1427         (Symbol_table::should_override_with_special): Add fromtype
1428         parameter.  Change all callers.
1429         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1430         there is no TLS segment if we have reported some errors.
1431         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1432
1433 2011-07-08  Ian Lance Taylor  <iant@google.com>
1434
1435         PR gold/12372
1436         * target.h (Target::plt_address_for_global): New function.
1437         (Target::plt_address_for_local): New function.
1438         (Target::plt_section_for_global): Remove.
1439         (Target::plt_section_for_local): Remove.
1440         (Target::do_plt_address_for_global): New virtual function.
1441         (Target::do_plt_address_for_local): New virtual function.
1442         (Target::do_plt_section_for_global): Remove.
1443         (Target::do_plt_section_for_local): Remove.
1444         (Target::register_global_plt_entry): Add Symbol_table and Layout
1445         parameters.
1446         * output.cc (Output_data_got::Got_entry::write): Use
1447         plt_address_for_global and plt_address_for_local.
1448         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1449         address of output section.
1450         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1451         got_irelative_, and irelative_count_ fields.  Update
1452         declarations.
1453         (Output_data_plt_i386::has_irelative_section): New function.
1454         (Output_data_plt_i386::entry_count): Add irelative_count_.
1455         (Output_data_plt_i386::set_final_data_size): Likewise.
1456         (class Target_i386): Add got_irelative_ and rel_irelative_
1457         fields.  Update declarations.
1458         (Target_i386::Target_i386): Initialize new fields.
1459         (Target_i386::do_plt_address_for_global): New function replacing
1460         do_plt_section_for_global.
1461         (Target_i386::do_plt_address_for_local): New function replacing
1462         do_plt_section_for_local.
1463         (Target_i386::got_section): Create got_irelative_.
1464         (Target_i386::rel_irelative_section): New function.
1465         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1466         fields.  Don't define __rel_iplt_{start,end}.
1467         (Output_data_plt_i386::add_entry): Add symtab and layout
1468         parameters.  Change all callers.  Use different PLT and GOT for
1469         IFUNC symbols.
1470         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1471         layout parameters.  Change all callers.  Use different PLT and
1472         GOT.
1473         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1474         (Output_data_plt_i386::rel_irelative): New function.
1475         (Output_data_plt_i386::address_for_global): New function.
1476         (Output_data_plt_i386::address_for_local): New function.
1477         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1478         IRELATIVE GOT when changing IFUNC GOT entries.
1479         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1480         reloc.
1481         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1482         if we didn't create an IRELATIVE GOT.
1483         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1484         plt_address_for_local.
1485         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1486         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1487         got_irelative_, and irelative_count_ fields.  Update
1488         declarations.
1489         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1490         Initialize new fields.  Remove symtab parameter.  Change all
1491         callers.
1492         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1493         irelative_count_.
1494         (Output_data_plt_x86_64::has_irelative_section): New function.
1495         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1496         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1497         fields.  Update declarations.
1498         (Target_x86_64::Target_x86_64): Initialize new fields.
1499         (Target_x86_64::do_plt_address_for_global): New function replacing
1500         do_plt_section_for_global.
1501         (Target_x86_64::do_plt_address_for_local): New function replacing
1502         do_plt_section_for_local.
1503         (Target_x86_64::got_section): Create got_irelative_.
1504         (Target_x86_64::rela_irelative_section): New function.
1505         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1506         all callers.  Don't create __rel_iplt_{start,end}.
1507         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1508         parameters.  Change all callers.  Use different PLT and GOT for
1509         IFUNC symbols.
1510         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1511         layout parameters.  Change all callers.  Use different PLT and
1512         GOT.
1513         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1514         parameters.  Change all callers.  Use different PLT and GOT for
1515         IFUNC symbols.
1516         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1517         (Output_data_plt_x86_64::rela_irelative): New function.
1518         (Output_data_plt_x86_64::address_for_global): New function.
1519         (Output_data_plt_x86_64::address_for_local): New function.
1520         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1521         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1522         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1523         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1524         parameters.
1525         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1526         reloc.
1527         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1528         symbols if we didn't create an IRELATIVE GOT.
1529         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1530         plt_address_for_local.
1531         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1532         * testsuite/ifuncvar1.c: New test file.
1533         * testsuite/ifuncvar2.c: New test file.
1534         * testsuite/ifuncvar3.c: New test file.
1535         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1536         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1537         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1538         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1539         * testsuite/Makefile.in: Rebuild.
1540
1541 2011-07-07  Cary Coutant  <ccoutant@google.com>
1542
1543         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1544         (two_file_test_1_ndebug.o): Likewise.
1545         (two_file_test_1b_ndebug.o): Likewise.
1546         (two_file_test_2_ndebug.o): Likewise.
1547         (two_file_test_main_ndebug.o): Likewise.
1548         (incremental_test_2): Link with no-debug versions.
1549
1550 2011-07-06  Cary Coutant  <ccoutant@google.com>
1551
1552         * gold/incremental.cc
1553         (Output_section_incremental_inputs::write_info_blocks): Check for
1554         hidden and internal symbols.
1555
1556 2011-07-06  Cary Coutant  <ccoutant@google.com>
1557
1558         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1559         Check disposition for startup file.
1560         (Incremental_inputs::report_command_line): Ignore
1561         --incremental-startup-unchanged option.
1562         * options.cc (General_options::parse_incremental_startup_unchanged):
1563         New function.
1564         (General_options::General_options): Initialize new data member.
1565         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1566         (General_options): Add --incremental-startup-unchanged option.
1567         (General_options::incremental_startup_disposition): New function.
1568         (General_options::incremental_startup_disposition_): New data member.
1569
1570 2011-07-06  Cary Coutant  <ccoutant@google.com>
1571
1572         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1573         input file index to Script_info ctor.
1574         (Sized_incremental_binary::do_file_has_changed): Find the
1575         command-line argument for files named in scripts.
1576         * incremental.h (Script_info::Script_info): New ctor
1577         with input file index.
1578         (Script_info::input_file_index): New function.
1579         (Script_info::input_file_index_): New data member.
1580         (Incremental_binary::get_library): Add const.
1581         (Incremental_binary::get_script_info): Add const.
1582         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1583         * testsuite/Makefile.am (incremental_test_5): New test case.
1584         (incremental_test_6): New test case.
1585         * testsuite/Makefile.in: Regenerate.
1586
1587 2011-07-06  Cary Coutant  <ccoutant@google.com>
1588
1589         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1590         debug output when command lines differ.
1591
1592 2011-07-06  Cary Coutant  <ccoutant@google.com>
1593
1594         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1595         --incremental-patch option.
1596         * layout.cc (Free_list::allocate): Extend allocation beyond original
1597         end if enabled.
1598         (Layout::make_output_section): Mark sections that should get
1599         patch space.
1600         * options.cc (parse_percent): New function.
1601         * options.h (parse_percent): New function.
1602         (DEFINE_percent): New macro.
1603         (General_options): Add --incremental-patch option.
1604         * output.cc (Output_section::Output_section): Initialize new data
1605         members.
1606         (Output_section::add_input_section): Print section name when out
1607         of patch space.
1608         (Output_section::add_output_section_data): Likewise.
1609         (Output_section::set_final_data_size): Add patch space when
1610         doing --incremental-full.
1611         (Output_section::do_reset_address_and_file_offset): Remove patch
1612         space.
1613         (Output_segment::set_section_list_addresses): Print debug output
1614         only if --incremental-update.
1615         * output.h (Output_section::set_is_patch_space_allowed): New function.
1616         (Output_section::is_patch_space_allowed_): New data member.
1617         (Output_section::patch_space_): New data member.
1618         * parameters.cc (Parameters::incremental_full): New function.
1619         * parameters.h (Parameters::incremental_full): New function
1620         * testsuite/Makefile.am (incremental_test_2): Add test for
1621         --incremental-patch option.
1622         * testsuite/Makefile.in: Regenerate.
1623         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1624         (t18): Remove function body.
1625
1626 2011-07-05  Doug Kwan  <dougkwan@google.com>
1627
1628         PR gold/12771
1629         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1630         Arm_Address type for relocation result.
1631         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1632         overflow check.
1633         (Arm_relocate_functions::abs32): Use unaligned access.
1634         (Arm_relocate_functions::rel32): Ditto.
1635         (Arm_relocate_functions::prel31): Ditto.
1636         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1637         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1638         static data relocations.
1639         * testsuite/Makefile.in: Regnerate.
1640         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1641
1642 2011-07-05  Ian Lance Taylor  <iant@google.com>
1643
1644         PR gold/12392
1645         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1646         symbols if necessary.
1647         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1648
1649 2011-07-05  Ian Lance Taylor  <iant@google.com>
1650
1651         PR gold/12952
1652         * resolve.cc (Symbol::override_base_with_special): Simply override
1653         version with special symbol version, ignoring previous version.
1654
1655 2011-07-05  Ian Lance Taylor  <iant@google.com>
1656
1657         * object.cc (Sized_relobj_file::include_section_group): Add
1658         information to comment about signature location.
1659
1660 2011-07-02  Ian Lance Taylor  <iant@google.com>
1661
1662         PR gold/12957
1663         * options.h (class General_options): Add -f and -F.
1664         * options.cc (General_options::finalize): Fatal error if -f/-F
1665         are used without -shared.
1666         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1667
1668 2011-07-02  Ian Lance Taylor  <iant@google.com>
1669
1670         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1671
1672 2011-07-01  Ian Lance Taylor  <iant@google.com>
1673
1674         PR gold/12525
1675         PR gold/12952
1676         * resolve.cc (Symbol::override_base_with_special): Don't override
1677         the version if the overriding symbol has a different name.
1678         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1679         all callers.  If we give an error about an undefined version,
1680         define the base version if necessary.
1681         * dynobj.h (class Versions): Update declaration.
1682         * testsuite/weak_alias_test_5.cc: New file.
1683         * testsuite/weak_alias_test.script: New file.
1684         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1685         and versioned_alias have the right value, and call t2.
1686         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1687         weak_alias_test_5.so.
1688         (weak_alias_test_LDADD): Likewise.
1689         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1690         * testsuite/Makefile.in: Rebuild.
1691
1692 2011-07-01  Ian Lance Taylor  <iant@google.com>
1693
1694         PR gold/12525
1695         * options.h (class General_options): Support -z notext.
1696         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1697         -Wl,-z,notext.
1698         (two_file_shared_nonpic.so): Likewise.
1699         (two_file_shared_mixed.so): Likewise.
1700         (two_file_shared_mixed_1.so): Likewise.
1701         (weak_undef_lib_nonpic.so): Likewise.
1702         (alt/weak_undef_lib_nonpic.so): Likewise.
1703         (tls_test_shared_nonpic.so): Likewise.
1704         * testsuite/Makefile.in: Rebuild.
1705
1706 2011-07-01  Ian Lance Taylor  <iant@google.com>
1707
1708         PR gold/12525
1709         * configure.ac: Test whether static linking works, setting
1710         the automake conditional HAVE_STATIC.
1711         * testsuite/Makefile.am: Disable tests using -static if
1712         HAVE_STATIC is not true.
1713         * configure, testsuite/Makefile.in: Rebuild.
1714
1715 2011-07-01  Ian Lance Taylor  <iant@google.com>
1716
1717         PR gold/12525
1718         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1719         Assert if we see DW_EH_PE_indirect.
1720         * target.h (Target::ehframe_datarel_base): New function.
1721         (Target::do_ehframe_datarel_base): New target function.
1722         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1723         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1724         function.
1725
1726 2011-07-01  Ian Lance Taylor  <iant@google.com>
1727
1728         PR gold/12571
1729         * options.h (class General_options): Add
1730         --ld-generated-unwind-info.
1731         * ehframe.cc (Fde::write): Add address parameter.  Change all
1732         callers.  If associated with PLT, fill in address and size.
1733         (Cie::set_output_offset): Only add merge mapping if there is an
1734         object.
1735         (Cie::write): Add address parameter.  Change all callers.
1736         (Eh_frame::add_ehframe_for_plt): New function.
1737         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1738         input_offset_ fields into union u_, with new plt field.
1739         (Fde::Fde): Adjust for new union field.
1740         (Fde::Fde) [Output_data version]: New constructor.
1741         (Fde::add_mapping): Only add merge mapping if there is an object.
1742         (class Cie): Update declarations.
1743         (class Eh_frame): Declare add_ehframe_for_plt.
1744         * layout.cc (Layout::layout_eh_frame): Break out code into
1745         make_eh_frame_section, and call it.
1746         (Layout::make_eh_frame_section): New function.
1747         (Layout::add_eh_frame_for_plt): New function.
1748         * layout.h (class Layout): Update declarations.
1749         * merge.cc (Merge_map::add_mapping): Add assertion.
1750         * i386.cc: Include "dwarf.h".
1751         (class Output_data_plt_i386): Make first_plt_entry,
1752         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1753         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1754         and plt_eh_frame_fde.
1755         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1756         boundary.  Call add_eh_frame_for_plt if appropriate.
1757         * x86_64.cc: Include "dwarf.h".
1758         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1759         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1760         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1761         and plt_eh_frame_fde.
1762         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1763         appropriate.
1764
1765 2011-06-29  Ian Lance Taylor  <iant@google.com>
1766
1767         PR gold/12629
1768         * object.cc (Sized_relobj_file::layout_section): Change shdr
1769         parameter to be const.
1770         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1771         out of do_layout.
1772         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1773         appropriate.  Call layout_eh_frame_section.
1774         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1775         sections.
1776         * object.h (class Sized_relobj_file): Update declarations.
1777
1778 2011-06-29  Ian Lance Taylor  <iant@google.com>
1779
1780         PR gold/12652
1781         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1782         modifier.
1783         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1784
1785 2011-06-29  Ian Lance Taylor  <iant@google.com>
1786
1787         PR gold/12675
1788         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1789         SHT_X86_64_UNWIND.
1790         * layout.cc (Layout::layout_eh_frame): Likewise.
1791
1792 2011-06-29  Ian Lance Taylor  <iant@google.com>
1793
1794         PR gold/12695
1795         * layout.cc (Layout::symtab_section_shndx): New function.
1796         * layout.h (class Layout): Declare symtab_section_shndx.
1797         * output.cc (Output_section::write_header): Call it.
1798
1799 2011-06-29  Ian Lance Taylor  <iant@google.com>
1800
1801         PR gold/12818
1802         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1803         symbols which are not used in a relocation.
1804
1805 2011-06-28  Ian Lance Taylor  <iant@google.com>
1806
1807         PR gold/12898
1808         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1809         script create indistinguishable segments.
1810         (Layout::set_segment_offsets): Use stable_sort when sorting
1811         segments.  Pass this to Compare_segments constructor.
1812         * layout.h (class Layout): Make segment_precedes non-static.
1813         (class Compare_segments): Change from struct to class.  Add
1814         layout_ field.  Add constructor.
1815         * script-sections.cc
1816         (Script_sections::attach_sections_using_phdrs_clause): Rename
1817         local orphan to is_orphan.  Don't report failure to put empty
1818         section in segment.  On attachment failure, report name of
1819         section, and attach to first PT_LOAD segment.
1820
1821 2011-06-28  Ian Lance Taylor  <iant@google.com>
1822
1823         PR gold/12934
1824         * target-select.cc (Target_selector::Target_selector): Add
1825         emulation parameter.  Change all callers.
1826         (select_target_by_bfd_name): Rename from select_target_by_name.
1827         Change all callers.
1828         (select_target_by_emulation): New function.
1829         (supported_emulation_names): New function.
1830         * target-select.h (class Target_selector): Add emulation_ field.
1831         Update declarations.
1832         (Target_selector::recognize_by_bfd_name): Rename from
1833         recognize_by_name.  Change all callers.
1834         (Target_selector::supported_bfd_names): Rename from
1835         supported_names.  Change all callers.
1836         (Target_selector::recognize_by_emulation): New function.
1837         (Target_selector::supported_emulations): New function.
1838         (Target_selector::emulation): New function.
1839         (Target_selector::do_recognize_by_bfd_name): Rename from
1840         do_recognize_by_name.  Change all callers.
1841         (Target_selector::do_supported_bfd_names): Rename from
1842         do_supported_names.  Change all callers.
1843         (Target_selector::do_recognize_by_emulation): New function.
1844         (Target_selector::do_supported_emulations): New function.
1845         (select_target_by_bfd_name): Change name in declaration.
1846         (select_target_by_emulation): Declare.
1847         (supported_emulation_names): Declare.
1848         * parameters.cc (parameters_force_valid_target): Try to find
1849         target based on emulation from -m option.
1850         * options.h (class General_options): Change doc string for -m.
1851         * options.cc (help): Print emulations.
1852         (General_options::parse_V): Likewise.
1853         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1854         Add emulation parameter.  Change all callers.
1855
1856 2011-06-28  Ian Lance Taylor  <iant@google.com>
1857
1858         * target.h (class Target): Add osabi_ field.
1859         (Target::osabi): New function.
1860         (Target::set_osabi): New function.
1861         (Target::Target): Initialize osabi_.
1862         (Target::do_adjust_elf_header): Make pure virtual.
1863         (Sized_target::do_adjust_elf_header): Declare.
1864         * target.cc (Sized_target::do_adjust_elf_header): New function.
1865         (class Sized_target): Instantiate all versions.
1866         * freebsd.h (class Target_freebsd): Remove.
1867         (Target_selector_freebsd::do_recognize): Call set_osabi on
1868         Target.
1869         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1870         (Target_selector_freebsd::set_osabi): Remove.
1871         * i386.cc (class Target_i386): Inherit from Sized_target rather
1872         than Target_freebsd.
1873         * x86_64.cc (class Target_x86_64): Likewise.
1874
1875 2011-06-28  Ian Lance Taylor  <iant@google.com>
1876
1877         * target.h (Target::can_check_for_function_pointers): Rewrite.
1878         Make non-virtual.
1879         (Target::can_icf_inline_merge_sections): Likewise.
1880         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1881         (Target::Target_info): Add can_icf_inline_merge_sections field.
1882         (Target::do_can_check_for_function_pointers): New virtual
1883         function.
1884         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1885         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1886         from can_check_for_function_pointers, move in file.
1887         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1888         section_may_have_icf_unsafe_poineters, move in file.
1889         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1890         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1891         Rename from can_check_for_function_pointers, move in file.
1892         (Target_i386::can_icf_inline_merge_sections): Remove.
1893         (Target_i386::i386_info): Initialize
1894         can_icf_inline_merge_sections.
1895         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1896         Initialize can_icf_inline_merge_sections.
1897         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1898         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1899         Rename from can_check_for_function_pointers, move in file.
1900         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1901         (Target_x86_64::x86_64_info): Initialize
1902         can_icf_inline_merge_sections.
1903         * testsuite/testfile.cc (Target_test::test_target_info):
1904         Likewise.
1905         * icf.cc (get_section_contents): Correct formatting.
1906
1907 2011-06-27  Ian Lance Taylor  <iant@google.com>
1908
1909         * symtab.cc (Symbol::versioned_name): New function.
1910         (Symbol_table::add_to_final_symtab): Use versioned_name when
1911         appropriate.
1912         (Symbol_table::sized_write_symbol): Likewise.
1913         * symtab.h (class Symbol): Declare versioned_name.
1914         * stringpool.h (class Stringpool_template): Add variant of add
1915         which takes a std::basic_string.
1916         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1917         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1918         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1919         (ver_test_12.o): New target.
1920         * testsuite/Makefile.in: Rebuild.
1921
1922 2011-06-27  Doug Kwan  <dougkwan@google.com>
1923
1924         * arm.cc (Arm_relocate_functions::thm_jump8,
1925         Arm_relocate_functions::thm_jump11): Use a wider signed
1926         type to compute offset.
1927         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1928         arm_thm_jump8.
1929         * testsuite/Makefile.in: Regenerate.
1930         * testsuite/arm_branch_in_range.sh: Check test results of
1931         arm_thm_jump11 and arm_thm_jump8.
1932         * testsuite/arm_thm_jump11.s: New test source file.
1933         * testsuite/arm_thm_jump11.t: New linker script.
1934         * testsuite/arm_thm_jump8.s: New test source file.
1935         * testsuite/arm_thm_jump8.t: New linker script.
1936
1937 2011-06-24  Ian Lance Taylor  <iant@google.com>
1938
1939         * layout.cc: Include "object.h".
1940         (ctors_sections_in_init_array): New static variable.
1941         (Layout::is_ctors_in_init_array): New function.
1942         (Layout::layout): Add entry to ctors_sections_in_init_array if
1943         appropriate.
1944         * layout.h (class Layout): Declare is_ctors_in_init_array.
1945         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1946         is_ctors_reverse_view is set.
1947         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1948         all callers.  Set is_ctors_reverse_view field of View_size.
1949         (Sized_relobj_file::reverse_words): New function.
1950         * object.h (Sized_relobj_file::View_size): Add
1951         is_ctors_reverse_view field.
1952         (class Sized_relobj_file): Update declarations.
1953         * testsuite/initpri3.c: New test.
1954         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1955         initpri3b.
1956         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1957         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1958         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1959         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1960         * testsuite/Makefile.in: Rebuild.
1961
1962 2011-06-24  Cary Coutant  <ccoutant@google.com>
1963
1964         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1965         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1966         (debug_msg_cdebug.err): New targets.
1967         * testsuite/Makefile.in: Regenerate.
1968         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1969         Fix checks for link with shared library.
1970
1971 2011-06-24  Doug Kwan  <dougkwan@google.com>
1972
1973         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1974         skip empty text sections.
1975         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1976
1977 2011-06-22  Ian Lance Taylor  <iant@google.com>
1978
1979         PR gold/12910
1980         * options.h (class General_options): Add --ctors-in-init-array.
1981         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1982         friends as SHT_PROGBITS for merging sections.
1983         (Layout::layout): Remove special handling of .init_array and
1984         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1985         and .dtors if ctors_in_init_array.
1986         (Layout::make_output_section): Force correct section types for
1987         .init_array and friends.  Don't sort if doing relocatable link,
1988         Don't sort .ctors and .dtors if ctors_in_init_array.
1989         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1990         (Layout::output_section_name): Add relobj parameter.  Change all
1991         callers.  Handle .ctors. and .dtors. in code rather than table.
1992         Handle .ctors and .dtors if ctors_in_init_array.
1993         (Layout::match_file_name): New function, moved from output.cc.
1994         * layout.h (class Layout): Update declarations.
1995         * output.cc: Include "layout.h".
1996         (Input_section_sort_entry::get_priority): New function.
1997         (Input_section_sort_entry::match_file_name): Just call
1998         Layout::match_file_name.
1999         (Output_section::Input_section_sort_init_fini_compare::operator()):
2000         Handle .ctors and .dtors.  Sort by explicit priority rather than
2001         by name.
2002         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2003         * testsuite/initpri2.c: New test.
2004         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2005         (check_PROGRAMS): Add initpri2.
2006         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2007         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2008         * configure, testsuite/Makefile.in: Rebuild.
2009
2010 2011-06-19  Ian Lance Taylor  <iant@google.com>
2011
2012         PR gold/12880
2013         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2014         .interp section to a PT_INTERP segment even if we have seen a
2015         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2016         clause in a linker script.
2017         (Layout::finalize): Don't create a .interp section if we've
2018         already create a PT_INTERP segment.
2019         (Layout::create_interp): Always call choose_output_section (revert
2020         patch of 2011-06-17).  Don't create PT_INTERP segment.
2021         * script-sections.cc
2022         (Script_sections::create_note_and_tls_segments): Add a .interp
2023         section to a PT_INTERP segment even if we have seen a
2024         --dynamic-linker option.
2025
2026 2011-06-18  Ian Lance Taylor  <iant@google.com>
2027
2028         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2029         merely because a non-PT_LOAD segment has a dynamic reloc.
2030
2031 2011-06-18  Ian Lance Taylor  <iant@google.com>
2032
2033         * layout.cc (Layout::finish_dynamic_section): Don't create
2034         DT_FLAGS entry if not needed.
2035
2036 2011-06-18  Ian Lance Taylor  <iant@google.com>
2037
2038         PR gold/12745
2039         * layout.cc (Layout::layout_eh_frame): Correct handling of
2040         writable .eh_frame section.
2041
2042 2011-06-17  Ian Lance Taylor  <iant@google.com>
2043
2044         PR gold/12893
2045         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2046         symbol is redefined with the exact same object and value.
2047
2048 2011-06-17  Ian Lance Taylor  <iant@google.com>
2049
2050         PR gold/12880
2051         * layout.h (class Layout): Add interp_segment_ field.
2052         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2053         (Layout::attach_allocated_section_to_segment): If making shared
2054         library, put .interp section in PT_INTERP segment.
2055         (Layout::finalize): Also call create_interp if -dynamic-linker
2056         option was used.
2057         (Layout::create_interp): Assert that there is no PT_INTERP
2058         segment.  If not using a SECTIONS clause, use make_output_section.
2059         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2060         * script-sections.cc
2061         (Script_sections::create_note_and_tls_segments): If making shared
2062         library, put .interp section in PT_INTERP segment.
2063
2064 2011-06-17  Ian Lance Taylor  <iant@google.com>
2065
2066         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2067         when making a shared library.
2068
2069 2011-06-17  Ian Lance Taylor  <iant@google.com>
2070
2071         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2072         parameter.  Change all callers.  Don't issue warning about PC32
2073         against locally defined symbol.
2074
2075 2011-06-16  Ian Lance Taylor  <iant@google.com>
2076
2077         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2078         occurs in same object.
2079
2080 2011-06-14  Alan Modra  <amodra@gmail.com>
2081
2082         * po/POTFILES.in: Regenerate.
2083
2084 2011-06-09  Ian Lance Taylor  <iant@google.com>
2085
2086         * script-sections.cc
2087         (Orphan_output_section::set_section_addresses): For a relocatable
2088         link set address to 0.
2089
2090 2011-06-09  Cary Coutant  <ccoutant@google.com>
2091
2092         PR gold/12804
2093         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2094         used with --compress-debug-sections.
2095         * gold/object.cc (Sized_relobj_file::do_layout): Report
2096         uncompressed size of compressed input sections.
2097
2098 2011-06-08  Cary Coutant  <ccoutant@google.com>
2099
2100         PR gold/12804
2101         * testsuite/two_file_test_2_v1.cc: Change initialization of
2102         v2 to keep it in .data.
2103
2104 2011-06-07  Cary Coutant  <ccoutant@google.com>
2105
2106         * common.cc (Symbol_table::do_allocate_commons_list): Call
2107         gold_fallback.
2108         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2109         (Errors::fallback): New function.
2110         (gold_fallback): New function.
2111         * errors.h (Errors::fallback): New function.
2112         * gold.cc (gold_exit): Change status parameter to enum; adjust
2113         all callers.
2114         (queue_initial_tasks): Call gold_fallback.
2115         * gold.h: Include cstdlib.
2116         (Exit_status): New enum type.
2117         (gold_exit): Change status parameter to enum.
2118         (gold_fallback): New function.
2119         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2120         (Layout::create_symtab_sections): Likewise.
2121         (Layout::create_shdrs): Likewise.
2122         * main.cc (main): Adjust call to gold_exit.
2123         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2124         (Output_data_got::add_got_entry_pair): Likewise.
2125         (Output_section::add_input_section): Likewise.
2126         (Output_section::add_output_section_data): Likewise.
2127         (Output_segment::set_section_list_addresses): Likewise.
2128         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2129
2130 2011-06-07  Cary Coutant  <ccoutant@google.com>
2131
2132         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2133         for incremental links.
2134         * output.cc (Output_segment::set_section_list_addresses): Remove
2135         FIXME and test for TLS or BSS.
2136
2137 2011-06-07  Cary Coutant  <ccoutant@google.com>
2138
2139         * testsuite/Makefile.am: Add incremental_copy_test,
2140         incremental_common_test_1.
2141         * testsuite/Makefile.in: Regenerate.
2142         * testsuite/common_test_1_v1.c: New source file.
2143         * testsuite/common_test_1_v2.c: New source file.
2144         * testsuite/copy_test_v1.cc: New source file.
2145
2146 2011-06-07  Cary Coutant  <ccoutant@google.com>
2147
2148         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2149         update, allocate common from bss section's free list.
2150         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2151         linker-defined symbols.
2152         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2153         Skip GOT and PLT entries that are no longer referenced.
2154         (Output_section_incremental_inputs::write_info_blocks): Mark
2155         linker-defined symbols.
2156         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2157         * output.cc (Output_section::allocate): New function.
2158         * output.h (Output_section::allocate): New function.
2159         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2160         linker-defined symbols.
2161         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2162         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2163         (Symbol::init_base_output_data): Likewise.
2164         (Symbol::init_base_output_segment): Likewise.
2165         (Symbol::init_base_constant): Likewise.
2166         (Sized_symbol::init_output_data): Likewise.
2167         (Sized_symbol::init_output_segment): Likewise.
2168         (Sized_symbol::init_constant): Likewise.
2169         (Symbol_table::do_define_in_output_data): Likewise.
2170         (Symbol_table::do_define_in_output_segment): Likewise.
2171         (Symbol_table::do_define_as_constant): Likewise.
2172         * symtab.h (Symbol::is_predefined): New function.
2173         (Symbol::init_base_output_data): Add is_predefined parameter.
2174         (Symbol::init_base_output_segment): Likewise.
2175         (Symbol::init_base_constant): Likewise.
2176         (Symbol::is_predefined_): New data member.
2177         (Sized_symbol::init_output_data): Add is_predefined parameter.
2178         (Sized_symbol::init_output_segment): Likewise.
2179         (Sized_symbol::init_constant): Likewise.
2180         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2181
2182 2011-06-07  Cary Coutant  <ccoutant@google.com>
2183
2184         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2185         instead of emit_copy_reloc.
2186         (Copy_relocs::emit_copy_reloc): Refactor.
2187         (Copy_relocs::make_copy_reloc): New function.
2188         (Copy_relocs::add_copy_reloc): Remove.
2189         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2190         section.
2191         (Copy_relocs::make_copy_reloc): New function.
2192         (Copy_relocs::add_copy_reloc): Remove.
2193         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2194         unchanged input files.
2195         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2196         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2197         Reserve BSS space for COPY relocations.
2198         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2199         (Output_section_incremental_inputs::write_info_blocks): Record
2200         whether a symbol is copied from a shared object.
2201         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2202         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2203         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2204         (Incremental_input_entry_reader::get_output_symbol_index): Add
2205         is_copy parameter.
2206         (Incremental_binary::emit_copy_relocs): New function.
2207         (Incremental_binary::do_emit_copy_relocs): New function.
2208         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2209         new data member.
2210         (Sized_incremental_binary::add_copy_reloc): New function.
2211         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2212         (Sized_incremental_binary::Copy_reloc): New struct.
2213         (Sized_incremental_binary::Copy_relocs): New typedef.
2214         (Sized_incremental_binary::copy_relocs_): New data member.
2215         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2216         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2217         * target.h (Sized_target::emit_copy_reloc): New function.
2218         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
2219
2220 2011-06-02  Cary Coutant  <ccoutant@google.com>
2221
2222         PR gold/12163
2223         * gold/archive.cc (Archive::Archive): Initialize new data member.
2224         (Archive::include_all_members): Return if archive has already been
2225         included.
2226         * gold/archive.h (Archive::include_all_members_): New data member.
2227
2228 2011-06-02  Nick Clifton  <nickc@redhat.com>
2229
2230         * dynobj.h: Fix spelling mistake in comment.
2231         * output.cc: Likewise.
2232
2233 2011-05-31  Doug Kwan  <dougkwan@google.com>
2234             Asier Llano
2235
2236         PR gold/12826
2237         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2238         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2239         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2240         redundant arm_exidx_test.so.
2241         * testsuite/Makefile.in: Regenerate.
2242         (check_SCRIPTS): Add pr12826.sh
2243         (check_DATA): Add pr12826.stdout
2244         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2245         * testsuite/pr12826.sh: New file.
2246         * testsuite/pr12826_1.s: Ditto.
2247         * testsuite/pr12826_1.s: Ditto.
2248
2249 2011-05-30  Ian Lance Taylor  <iant@google.com>
2250
2251         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2252         sections.
2253
2254 2011-05-29  Ian Lance Taylor  <iant@google.com>
2255
2256         PR gold/12804
2257         * testsuite/Makefile.am: Use different file name for two_file_test
2258         temporary file for each incremental test.
2259         * testsuite/Makefile.in: Rebuild.
2260
2261 2011-05-29  Ian Lance Taylor  <iant@google.com>
2262
2263         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2264         binary input file is empty.
2265
2266 2011-05-27  Ian Lance Taylor  <iant@google.com>
2267
2268         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2269         (ver_test_9.so): Likewise.
2270         * testsuite/Makefile.in: Rebuild.
2271
2272 2011-05-26 Cary Coutant  <ccoutant@google.com>
2273
2274         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2275         * incremental.cc (Incremental_inputs::report_input_section): Fix
2276         comment, indentation.
2277         (Incremental_inputs::report_comdat_group): New function.
2278         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2279         of data for incremental input file entry.
2280         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
2281         group count, COMDAT group signatures.
2282         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
2283         an unchanged input file.
2284         * incremental.h (Incremental_object_entry::Incremental_object_entry):
2285         Initialize new data member.
2286         (Incremental_object_entry::add_comdat_group): New function.
2287         (Incremental_object_entry::get_comdat_group_count): New function.
2288         (Incremental_object_entry::get_comdat_signature_key): New function.
2289         (Incremental_object_entry::groups_): New data member.
2290         (Incremental_inputs::report_comdat_group): New function.
2291         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
2292         data for incremental input file entry.
2293         (Incremental_input_entry_reader::get_comdat_group_count): New function.
2294         (Incremental_input_entry_reader::get_input_section): Adjust size of
2295         data for incremental input file entry.
2296         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
2297         (Incremental_input_entry_reader::get_comdat_group_signature): New
2298         function.
2299         * object.cc (Sized_relobj::include_section_group): Report kept
2300         COMDAT groups for incremental links.
2301
2302 2011-05-24  David Meyer  <pdox@google.com>
2303
2304         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2305         with name parameter.  Add found_name parameter.
2306         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2307         * dirsearch.h (class Dirsearch): Update declaration.
2308
2309 2011-05-24  Ian Lance Taylor  <iant@google.com>
2310
2311         * archive.cc (Library_base::should_include_member): Pull in object
2312         from archive if it defines the entry symbol.
2313         * parameters.cc (Parameters::entry): New function.
2314         * parameters.h (class Parameters): Declare entry.
2315         * output.h (class Output_file_header): Remove entry_ field.
2316         * output.cc (Output_file_header::Output_file_header): Remove entry
2317         parameter.  Change all callers.
2318         (Output_file_header::entry): Use parameters->entry.
2319         * gold.cc (queue_middle_tasks): Likewise.
2320         * plugin.cc (Plugin_hook::run): Likewise.
2321
2322 2011-05-24 Cary Coutant  <ccoutant@google.com>
2323
2324         * gold.cc (queue_initial_tasks): Pass incremental base filename
2325         to Output_file::open_base_file; don't print error message.
2326         * incremental-dump.cc (main): Adjust call to
2327         Output_file::open_for_modification.
2328         * incremental-dump.cc (main): Likewise.
2329         * incremental.cc (Incremental_inputs::report_command_line):
2330         Ignore --incremental-base option when comparing command lines.
2331         Ignore parameter when given as separate argument.
2332         * options.h (class General_options): Add --incremental-base.
2333         * output.cc (Output_file::Output_file):
2334         (Output_file::open_base_file): Add base_name and writable parameters;
2335         read base file into new file; print error message here.
2336         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2337         callers.
2338         * output.h (Output_file::open_for_modification): Rename to...
2339         (Output_file::open_base_file): ...this; add base_name and
2340         writable parameters; adjust all callers.
2341         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2342         callers.
2343         * testsuite/Makefile.am (incremental_test_4): Test
2344         --incremental-base.
2345         * testsuite/Makefile.in: Regenerate.
2346
2347 2011-05-24 Cary Coutant  <ccoutant@google.com>
2348
2349         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2350         incremental_test_4.
2351         * testsuite/Makefile.in: Regenerate.
2352         * testsuite/two_file_test_1_v1.cc: New test source file.
2353         * testsuite/two_file_test_1b_v1.cc: New test source file.
2354         * testsuite/two_file_test_2_v1.cc: New test source file.
2355
2356 2011-05-24 Cary Coutant  <ccoutant@google.com>
2357
2358         * dynobj.h (Dynobj::do_dynobj): New function.
2359         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2360         flag and soname for shared objects.
2361         * incremental.cc (Incremental_inputs::report_object): Make
2362         either Incremental_object_entry or Incremental_dynobj_entry; add
2363         soname to string table.
2364         (Incremental_inputs::report_input_section): Add assertion.
2365         (Output_section_incremental_inputs::set_final_data_size): Adjust
2366         type of input file entry for shared libraries; adjust size of
2367         shared library info entry.
2368         (Output_section_incremental_inputs::write_input_files): Write
2369         as_needed flag for shared libraries.
2370         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2371         of input file entry for shared libraries; write soname.
2372         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2373         soname from incremental info.
2374         * incremental.h (enum Incremental_input_flags): Add
2375         INCREMENTAL_INPUT_AS_NEEDED.
2376         (Incremental_input_entry::Incremental_input_entry): Initialize new
2377         data member.
2378         (Incremental_input_entry::set_as_needed): New function.
2379         (Incremental_input_entry::as_needed): New function.
2380         (Incremental_input_entry::do_dynobj_entry): New function.
2381         (Incremental_input_entry::as_needed_): New data member.
2382         (Incremental_object_entry::Incremental_object_entry): Don't check
2383         for shared library.
2384         (Incremental_object_entry::do_type): Likewise.
2385         (class Incremental_dynobj_entry): New class.
2386         (Incremental_input_entry_reader::as_needed): New function.
2387         (Incremental_input_entry_reader::get_soname): New function.
2388         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2389         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2390         size of shared library info entry.
2391         * layout.cc (Layout::finish_dynamic_section): Don't test for
2392         incremental link when adding DT_NEEDED entries.
2393         * object.h (Object::Object): Initialize new data member.
2394         (Object::dynobj): New function.
2395         (Object::set_as_needed): New function.
2396         (Object::as_needed): New function.
2397         (Object::do_dynobj): New function.
2398         (Object::as_needed_): New data member.
2399
2400 2011-05-24 Cary Coutant  <ccoutant@google.com>
2401
2402         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2403         info; adjust display of GOT entries.
2404         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2405         vector of input objects; remove file_status_.
2406         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2407         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2408         got_plt reader; call target hooks to reserve GOT entries.
2409         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2410         of input file info header and GOT info entry.
2411         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2412         relocation info.
2413         (Got_plt_view_info::got_descriptor): Remove.
2414         (Got_plt_view_info::sym_index): New data member.
2415         (Got_plt_view_info::input_index): New data member.
2416         (Local_got_offset_visitor::visit): Write input file index.
2417         (Global_got_offset_visitor::visit): Write 0 for input file index.
2418         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2419         with sym_index and input_index.
2420         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2421         incremental info GOT entry; replace got_descriptor with input_index.
2422         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2423         map from input file index to object.
2424         (Sized_relobj_incr::do_layout): Replace direct data member reference
2425         with accessor function.
2426         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2427         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2428         Adjust size of input file info header.
2429         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2430         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2431         (Incremental_input_entry_reader::get_input_section): Adjust size of
2432         input file info header.
2433         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2434         of incremental info GOT entry.
2435         (Incremental_got_plt_reader::get_got_desc): Remove.
2436         (Incremental_got_plt_reader::get_got_symndx): New function.
2437         (Incremental_got_plt_reader::get_got_input_index): New function.
2438         (Sized_incremental_binary::Sized_incremental_binary): Remove
2439         file_status_; add input_objects_.
2440         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2441         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2442         (Sized_incremental_binary::file_is_unchanged): Remove.
2443         (Sized_incremental_binary::set_input_object): New function.
2444         (Sized_incremental_binary::input_object): New function.
2445         (Sized_incremental_binary::file_status_): Remove.
2446         (Sized_incremental_binary::input_objects_): New data member.
2447         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2448         references.
2449         (Sized_relobj_incr::invalid_address): Move to base class.
2450         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2451         class.
2452         (Sized_relobj_incr::do_output_section_offset): Likewise.
2453         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2454         (Sized_relobj_incr::section_offsets_): Likewise.
2455         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2456         function.
2457         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2458         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2459         with accessor function.
2460         (Sized_relobj_file::do_layout): Likewise.
2461         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2462         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2463         (Sized_relobj_file::compute_final_local_value): Replace refs to
2464         section_offsets_ with accessor function.
2465         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2466         * object.h (Relobj::Relobj): Initialize new data members.
2467         (Relobj::add_dyn_reloc): New function.
2468         (Relobj::first_dyn_reloc): New function.
2469         (Relobj::dyn_reloc_count): New function.
2470         (Relobj::first_dyn_reloc_): New data member.
2471         (Relobj::dyn_reloc_count_): New data member.
2472         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2473         references.
2474         (Sized_relobj::Address): New typedef.
2475         (Sized_relobj::invalid_address): Move here from child class.
2476         (Sized_relobj::Sized_relobj): Initialize new data members.
2477         (Sized_relobj::sized_relobj): New function.
2478         (Sized_relobj::is_output_section_offset_invalid): Move here from
2479         child class.
2480         (Sized_relobj::get_output_section_offset): Likewise.
2481         (Sized_relobj::local_has_got_offset): Likewise.
2482         (Sized_relobj::local_got_offset): Likewise.
2483         (Sized_relobj::set_local_got_offset): Likewise.
2484         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2485         (Sized_relobj::clear_got_offsets): New function.
2486         (Sized_relobj::section_offsets): Move here from child class.
2487         (Sized_relobj::do_output_section_offset): Likewise.
2488         (Sized_relobj::do_set_section_offset): Likewise.
2489         (Sized_relobj::Local_got_offsets): Likewise.
2490         (Sized_relobj::local_got_offsets_): Likewise.
2491         (Sized_relobj::section_offsets_): Likewise.
2492         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2493         references.
2494         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2495         class.
2496         (Sized_relobj_file::sized_relobj): New function
2497         (Sized_relobj_file::local_has_got_offset): Move to base class.
2498         (Sized_relobj_file::local_got_offset): Likewise.
2499         (Sized_relobj_file::set_local_got_offset): Likewise.
2500         (Sized_relobj_file::get_output_section_offset): Likewise.
2501         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2502         (Sized_relobj_file::do_output_section_offset): Likewise.
2503         (Sized_relobj_file::do_set_section_offset): Likewise.
2504         (Sized_relobj_file::Local_got_offsets): Likewise.
2505         (Sized_relobj_file::local_got_offsets_): Likewise.
2506         (Sized_relobj_file::section_offsets_): Likewise.
2507         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2508         (all constructors).
2509         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2510         (Output_reloc::get_symbol_index): Likewise.
2511         (Output_reloc::local_section_offset): Likewise.
2512         (Output_reloc::get_address): Likewise.
2513         (Output_reloc::symbol_value): Likewise.
2514         (Output_data_got::reserve_slot): Move to class definition.
2515         (Output_data_got::reserve_local): New function.
2516         (Output_data_got::reserve_slot_for_global): Remove.
2517         (Output_data_got::reserve_global): New function.
2518         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2519         (all constructors, two instantiations).
2520         (Output_reloc::get_relobj): New function (two instantiations).
2521         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2522         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2523         (Output_data_reloc::add_global): Adjust type of relobj.
2524         (Output_data_reloc::add_global_relative): Likewise.
2525         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2526         (Output_data_reloc::add_local): Likewise.
2527         (Output_data_reloc::add_local_relative): Likewise.
2528         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2529         (Output_data_reloc::add_local_section): Likewise.
2530         (Output_data_reloc::add_output_section): Likewise.
2531         (Output_data_reloc::add_absolute): Likewise.
2532         (Output_data_reloc::add_target_specific): Likewise.
2533         (Output_data_got::reserve_slot): Move definition here.
2534         (Output_data_got::reserve_local): New function.
2535         (Output_data_got::reserve_global): New function.
2536         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2537         section_offsets_ with accessor function.
2538         (Sized_relobj_file::write_sections): Likewise.
2539         (Sized_relobj_file::do_relocate_sections): Likewise.
2540         * target.h (Sized_target::reserve_local_got_entry): New function.
2541         (Sized_target::reserve_global_got_entry): New function.
2542         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2543         (Target_x86_64::reserve_global_got_entry): New function.
2544         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2545
2546 2011-05-23 Cary Coutant  <ccoutant@google.com>
2547
2548         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2549         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2550         bit when checking got_type.
2551         * incremental.cc (Sized_incremental_binary::setup_readers):
2552         Store symbol table and string table locations; initialize bit vector
2553         of file status flags.
2554         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2555         unchanged files.
2556         (Sized_incremental_binary::do_process_got_plt): New function.
2557         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2558         (Output_section_incremental_inputs::set_final_data_size): Record
2559         file index for each input file.
2560         (Output_section_incremental_inputs::write_got_plt): Store file index
2561         instead of input entry offset for each GOT entry.
2562         * incremental.h
2563         (Incremental_input_entry::Incremental_input_entry): Initialize new
2564         data member.
2565         (Incremental_input_entry::set_offset): Store file index.
2566         (Incremental_input_entry::get_file_index): New function.
2567         (Incremental_input_entry::file_index_): New data member.
2568         (Incremental_binary::process_got_plt): New function.
2569         (Incremental_binary::do_process_got_plt): New function.
2570         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2571         data members.
2572         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2573         (Sized_incremental_binary::set_file_is_unchanged): New function.
2574         (Sized_incremental_binary::file_is_unchanged): New function.
2575         (Sized_incremental_binary::do_process_got_plt): New function.
2576         (Sized_incremental_binary::file_status_): New data member.
2577         (Sized_incremental_binary::main_symtab_loc_): New data member.
2578         (Sized_incremental_binary::main_strtab_loc_): New data member.
2579         * output.cc (Output_data_got::Got_entry::write): Add case
2580         RESERVED_CODE.
2581         (Output_data_got::add_global): Call add_got_entry.
2582         (Output_data_got::add_global_plt): Likewise.
2583         (Output_data_got::add_global_with_rel): Likewise.
2584         (Output_data_got::add_global_with_rela): Likewise.
2585         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2586         (Output_data_got::add_global_pair_with_rela): Likewise.
2587         (Output_data_got::add_local): Call add_got_entry.
2588         (Output_data_got::add_local_plt): Likewise.
2589         (Output_data_got::add_local_with_rel): Likewise.
2590         (Output_data_got::add_local_with_rela): Likewise.
2591         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2592         (Output_data_got::add_local_pair_with_rela): Likewise.
2593         (Output_data_got::reserve_slot): New function.
2594         (Output_data_got::reserve_slot_for_global): New function.
2595         (Output_data_got::add_got_entry): New function.
2596         (Output_data_got::add_got_entry_pair): New function.
2597         (Output_section::add_output_section_data): Edit FIXME.
2598         * output.h
2599         (Output_section_data_build::Output_section_data_build): New
2600         constructor with size parameter.
2601         (Output_data_space::Output_data_space): Likewise.
2602         (Output_data_got::Output_data_got): Initialize new data member; new
2603         constructor with size parameter.
2604         (Output_data_got::add_constant): Call add_got_entry.
2605         (Output_data_got::reserve_slot): New function.
2606         (Output_data_got::reserve_slot_for_global): New function.
2607         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2608         (Output_data_got::add_got_entry): New function.
2609         (Output_data_got::add_got_entry_pair): New function.
2610         (Output_data_got::free_list_): New data member.
2611         * target.h (Sized_target::init_got_plt_for_update): New function.
2612         (Sized_target::register_global_plt_entry): New function.
2613         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2614         Initialize new data member; call init; add constructor with PLT count.
2615         (Output_data_plt_x86_64::init): New function.
2616         (Output_data_plt_x86_64::add_relocation): New function.
2617         (Output_data_plt_x86_64::reserve_slot): New function.
2618         (Output_data_plt_x86_64::free_list_): New data member.
2619         (Target_x86_64::init_got_plt_for_update): New function.
2620         (Target_x86_64::register_global_plt_entry): New function.
2621         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2622         incremental updates.
2623         (Output_data_plt_x86_64::add_relocation): New function.
2624         * testsuite/object_unittest.cc (Object_test): Set default options.
2625
2626 2011-05-16  Ian Lance Taylor  <iant@google.com>
2627
2628         * options.h (class General_options): Make -i a synonym for -r.
2629
2630 2011-05-16  Ian Lance Taylor  <iant@google.com>
2631
2632         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2633
2634 2011-05-10 Cary Coutant  <ccoutant@google.com>
2635
2636         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2637         strip_all (-s).
2638
2639 2011-05-06  Ian Lance Taylor  <iant@google.com>
2640
2641         * layout.cc (Layout::layout): If the output section flags change,
2642         update the ordering.
2643
2644 2011-04-25 Cary Coutant  <ccoutant@google.com>
2645
2646         * incremental-dump.cc (dump_incremental_inputs): Print local
2647         symbol info for each input file.
2648         * incremental.cc
2649         (Output_section_incremental_inputs::set_final_data_size): Add local
2650         symbol info to input file entries in incremental info.
2651         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2652         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2653         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2654         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2655         implementation.
2656         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2657         (Sized_incr_relobj::do_relocate): Write the local symbols.
2658         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2659         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2660         Adjust size of input file header.
2661         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2662         (Incremental_inputs_reader::get_local_symbol_count): New function.
2663         (Incremental_inputs_reader::get_input_section): Adjust size of input
2664         file header.
2665         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2666         (Sized_incr_relobj::This): New typedef.
2667         (Sized_incr_relobj::sym_size): New const data member.
2668         (Sized_incr_relobj::Local_symbol): New struct.
2669         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2670         (Sized_incr_relobj::do_local_symbol_offset): New function.
2671         (Sized_incr_relobj::local_symbol_count_): New data member.
2672         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2673         (Sized_incr_relobj::local_symbol_index_): New data member.
2674         (Sized_incr_relobj::local_symbol_offset_): New data member.
2675         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2676         (Sized_incr_relobj::local_symbols_): New data member.
2677         * object.h (Relobj::output_local_symbol_count): New function.
2678         (Relobj::local_symbol_offset): New function.
2679         (Relobj::do_output_local_symbol_count): New function.
2680         (Relobj::do_local_symbol_offset): New function.
2681         (Sized_relobj::do_output_local_symbol_count): New function.
2682         (Sized_relobj::do_local_symbol_offset): New function.
2683
2684 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2685
2686         * descriptors.cc (set_close_on_exec): New function.
2687         (Descriptors::open): Use set_close_on_exec.
2688         * output.cc (S_ISLNK): Define if not defined.
2689
2690 2011-04-22 Cary Coutant  <ccoutant@google.com>
2691
2692         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2693         global symbol map.
2694         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2695         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2696         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2697         relocations.
2698         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2699         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2700         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2701         * incremental.h
2702         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2703         function.
2704         (Incremental_binary::apply_incremental_relocs): New function.
2705         (Incremental_binary::do_apply_incremental_relocs): New function.
2706         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2707         data member.
2708         (Sized_incremental_binary::add_global_symbol): New function.
2709         (Sized_incremental_binary::global_symbol): New function.
2710         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2711         (Sized_incremental_binary::symbol_map_): New data member.
2712         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2713         * target.h (Sized_target::apply_relocation): New function.
2714         * target-reloc.h (apply_relocation): New function.
2715         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2716
2717 2011-04-22  Doug Kwan  <dougkwan@google.com>
2718
2719         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2720         flag of a SHT_ARM_EXIDX section.
2721         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2722         * testsuite/Makefile.in: Regenerate.
2723         * testsuite/arm_exidx_test.s: New file.
2724         * testsuite/arm_exidx_test.sh: Same.
2725
2726 2011-04-20 Cary Coutant  <ccoutant@google.com>
2727
2728         PR gold/12689
2729         * archive.h (Incremental_archive_entry::Archive_member):
2730         Initialize arg_serial_ (second constructor).
2731
2732 2011-04-17  Ian Lance Taylor  <iant@google.com>
2733
2734         * object.cc (Relocate_info::location): Simplify location string.
2735         * errors.cc (Errors::error_at_location): Don't print program
2736         name.
2737         (Errors::warning_at_location): Likewise.
2738         (Errors::undefined_symbol): Likewise.
2739         * testsuite/debug_msg.sh: Update accordingly.
2740
2741 2011-04-14 Cary Coutant  <ccoutant@google.com>
2742
2743         * gold/layout.cc (Layout::symtab_section_offset): New function.
2744         * gold/layout.h (Layout::symtab_section_offset): New function.
2745         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2746
2747 2011-04-12  Ian Lance Taylor  <iant@google.com>
2748
2749         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2750         with MREMAP_MAYMOVE.
2751         * output.h (class Output_file): Add map_is_allocated_ field.
2752         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2753         not available, provide stubs.  If mremap is not available, #define
2754         it to gold_mremap.
2755         (MREMAP_MAYMOVE): Define if not defined.
2756         (Output_file::Output_file): Initialize map_is_allocated_.
2757         (Output_file::resize): Check map_is_allocated_.
2758         (Output_file::map_anonymous): If mmap fails, use malloc.
2759         (Output_file::unmap): Don't do anything for an anonymous map.
2760         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2761         is not available, provide stubs.
2762         (File_read::View::~View): Use free rather than delete[].
2763         (File_read::make_view): Use malloc rather than new[].  If mmap
2764         fails, use malloc.
2765         (File_read::find_or_make_view): Use malloc rather than new[].
2766         * gold.h: Remove HAVE_REMAP code.
2767         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2768         exists.  Rename mremap to gold_mremap.  If mmap is not available
2769         don't do anything.
2770         * configure, config.in: Rebuild.
2771
2772 2011-04-11  Ian Lance Taylor  <iant@google.com>
2773
2774         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2775         initialize local variable v.
2776
2777 2011-04-11  Cary Coutant  <ccoutant@google.com>
2778
2779         * archive.cc (Archive::include_member): Adjust call to
2780         report_object.
2781         (Add_archive_symbols::run): Track argument serial numbers.
2782         (Lib_group::include_member): Likewise.
2783         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2784         * archive.h (Incremental_archive_entry::Archive_member):
2785         Initialize arg_serial_.
2786         (Archive_member::arg_serial_): New data member.
2787         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2788         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2789         incremental link.
2790         (Sized_dynobj::do_for_all_local_got_entries): New function.
2791         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2792         function.
2793         * fileread.cc (get_mtime): New function.
2794         * fileread.h (get_mtime): New function.
2795         * gold.cc (queue_initial_tasks): Check for incremental update.
2796         (process_incremental_input): New function.
2797         (queue_middle_tasks): Don't force valid target for incremental
2798         update.
2799         * incremental-dump.cc (find_input_containing_global): Adjust
2800         size of symbol info entry.
2801         (dump_incremental_inputs): Dump argument serial number and
2802         in_system_directory flag; bias shndx by 1; print symbol names
2803         when dumping per-file symbol lists; use new symbol info readers.
2804         * incremental.cc
2805         (Output_section_incremental_inputs:update_data_size): New function.
2806         (Sized_incremental_binary::setup_readers): Setup input readers
2807         for each input file; build maps for files added from libraries
2808         and scripts.
2809         (Sized_incremental_binary::check_input_args): New function.
2810         (Sized_incremental_binary::do_check_inputs): Build map of argument
2811         serial numbers to input arguments.
2812         (Sized_incremental_binary::do_file_has_changed): Rename
2813         do_file_is_unchanged to this; compare file modification times.
2814         (Sized_incremental_binary::do_init_layout): New function.
2815         (Sized_incremental_binary::do_reserve_layout): New function.
2816         (Sized_incremental_binary::do_get_input_reader): Remove.
2817         (Sized_incremental_binary::get_symtab_view): New function.
2818         (Incremental_checker::can_incrementally_link_output_file): Remove.
2819         (Incremental_inputs::report_command_line): Exclude --debug options.
2820         (Incremental_inputs::report_archive_begin): Add parameter; track
2821         argument serial numbers; don't put input file entry for archive
2822         before archive members.
2823         (Incremental_inputs::report_archive_end): Put input file entry
2824         for archive after archive members.
2825         (Incremental_inputs::report_object): Add parameter; track argument
2826         serial numbers and in_system_directory flag.
2827         (Incremental_inputs::report_script): Add parameter; track argument
2828         serial numbers.
2829         (Output_section_incremental_inputs::set_final_data_size): Adjust
2830         size of symbol info entry; check for forwarding symbols.
2831         (Output_section_incremental_inputs::write_input_files): Write
2832         in_system_directory flag and argument serial number.
2833         (Output_section_incremental_inputs::write_info_blocks): Map section
2834         indices between incremental info and original input file; store
2835         input section index for each symbol.
2836         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2837         change operator() to visit().
2838         (class Global_got_offset_visitor): Likewise.
2839         (class Global_symbol_visitor_got_plt):
2840         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2841         classes.
2842         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2843         (Sized_incr_relobj::do_read_symbols): New function.
2844         (Sized_incr_relobj::do_layout): New function.
2845         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2846         (Sized_incr_relobj::do_add_symbols): New function.
2847         (Sized_incr_relobj::do_should_include_member): New function.
2848         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2849         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2850         (Sized_incr_relobj::do_section_size): New function.
2851         (Sized_incr_relobj::do_section_name): New function.
2852         (Sized_incr_relobj::do_section_contents): New function.
2853         (Sized_incr_relobj::do_section_flags): New function.
2854         (Sized_incr_relobj::do_section_entsize): New function.
2855         (Sized_incr_relobj::do_section_address): New function.
2856         (Sized_incr_relobj::do_section_type): New function.
2857         (Sized_incr_relobj::do_section_link): New function.
2858         (Sized_incr_relobj::do_section_info): New function.
2859         (Sized_incr_relobj::do_section_addralign): New function.
2860         (Sized_incr_relobj::do_initialize_xindex): New function.
2861         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2862         (Sized_incr_relobj::do_read_relocs): New function.
2863         (Sized_incr_relobj::do_gc_process_relocs): New function.
2864         (Sized_incr_relobj::do_scan_relocs): New function.
2865         (Sized_incr_relobj::do_count_local_symbols): New function.
2866         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2867         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2868         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2869         (Sized_incr_relobj::do_relocate): New function.
2870         (Sized_incr_relobj::do_set_section_offset): New function.
2871         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2872         (Sized_incr_dynobj::do_read_symbols): New function.
2873         (Sized_incr_dynobj::do_layout): New function.
2874         (Sized_incr_dynobj::do_add_symbols): New function.
2875         (Sized_incr_dynobj::do_should_include_member): New function.
2876         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2877         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2878         (Sized_incr_dynobj::do_section_size): New function.
2879         (Sized_incr_dynobj::do_section_name): New function.
2880         (Sized_incr_dynobj::do_section_contents): New function.
2881         (Sized_incr_dynobj::do_section_flags): New function.
2882         (Sized_incr_dynobj::do_section_entsize): New function.
2883         (Sized_incr_dynobj::do_section_address): New function.
2884         (Sized_incr_dynobj::do_section_type): New function.
2885         (Sized_incr_dynobj::do_section_link): New function.
2886         (Sized_incr_dynobj::do_section_info): New function.
2887         (Sized_incr_dynobj::do_section_addralign): New function.
2888         (Sized_incr_dynobj::do_initialize_xindex): New function.
2889         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2890         (make_sized_incremental_object): New function.
2891         (Incremental_library::copy_unused_symbols): New function.
2892         (Incremental_library::do_for_all_unused_symbols): New function.
2893         * incremental.h (enum Incremental_input_flags): New type.
2894         (class Incremental_checker): Remove.
2895         (Incremental_input_entry::Incremental_input_entry): Add argument
2896         serial number.
2897         (Incremental_input_entry::arg_serial): New function.
2898         (Incremental_input_entry::set_is_in_system_directory): New function.
2899         (Incremental_input_entry::is_in_system_directory): New function.
2900         (Incremental_input_entry::arg_serial_): New data member.
2901         (Incremental_input_entry::is_in_system_directory_): New data member.
2902         (class Script_info): Move here from script.h.
2903         (Script_info::Script_info): Add filename parameter.
2904         (Script_info::filename): New function.
2905         (Script_info::filename_): New data member.
2906         (Incremental_script_entry::Incremental_script_entry): Add argument
2907         serial number.
2908         (Incremental_object_entry::Incremental_object_entry): Likewise.
2909         (Incremental_object_entry::add_input_section): Build list of input
2910         sections with map to original shndx.
2911         (Incremental_object_entry::get_input_section_index): New function.
2912         (Incremental_object_entry::shndx_): New data member.
2913         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2914         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2915         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2916         serial number.
2917         (Incremental_inputs::report_archive_begin): Likewise.
2918         (Incremental_inputs::report_object): Likewise.
2919         (Incremental_inputs::report_script): Likewise.
2920         (class Incremental_global_symbol_reader): New class.
2921         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2922         and store flags and input file type.
2923         (Incremental_input_entry_reader::arg_serial): New function.
2924         (Incremental_input_entry_reader::type): Extract type from flags.
2925         (Incremental_input_entry_reader::is_in_system_directory): New function.
2926         (Incremental_input_entry_reader::get_input_section_count): Call
2927         accessor function for type.
2928         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2929         function for type; adjust size of global symbol entry.
2930         (Incremental_input_entry_reader::get_global_symbol_count): Call
2931         accessor function for type.
2932         (Incremental_input_entry_reader::get_object_count): Likewise.
2933         (Incremental_input_entry_reader::get_object_offset): Likewise.
2934         (Incremental_input_entry_reader::get_member_count): Likewise.
2935         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2936         (Incremental_input_entry_reader::get_member_offset): Likewise.
2937         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2938         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2939         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2940         (Incremental_input_entry_reader::get_global_symbol_reader): New
2941         function.
2942         (Incremental_input_entry_reader::get_output_symbol_index): New
2943         function.
2944         (Incremental_input_entry_reader::type_): Remove.
2945         (Incremental_input_entry_reader::flags_): New data member.
2946         (Incremental_inputs_reader::input_file_offset): New function.
2947         (Incremental_inputs_reader::input_file_index): New function.
2948         (Incremental_inputs_reader::input_file): Call input_file_offset.
2949         (Incremental_inputs_reader::input_file_at_offset): New function.
2950         (Incremental_relocs_reader::get_r_type): Reformat.
2951         (Incremental_relocs_reader::get_r_shndx): Reformat.
2952         (Incremental_relocs_reader::get_r_offset): Reformat.
2953         (Incremental_relocs_reader::data): New function.
2954         (Incremental_binary::Incremental_binary): Initialize new data members.
2955         (Incremental_binary::check_inputs): Add cmdline parameter.
2956         (Incremental_binary::file_is_unchanged): Remove.
2957         (Input_reader::arg_serial): New function.
2958         (Input_reader::get_unused_symbol_count): New function.
2959         (Input_reader::get_unused_symbol): New function.
2960         (Input_reader::do_arg_serial): New function.
2961         (Input_reader::do_get_unused_symbol_count): New function.
2962         (Input_reader::do_get_unused_symbol): New function.
2963         (Incremental_binary::input_file_count): New function.
2964         (Incremental_binary::get_input_reader): Change signature to use
2965         index instead of filename.
2966         (Incremental_binary::file_has_changed): New function.
2967         (Incremental_binary::get_input_argument): New function.
2968         (Incremental_binary::get_library): New function.
2969         (Incremental_binary::get_script_info): New function.
2970         (Incremental_binary::init_layout): New function.
2971         (Incremental_binary::reserve_layout): New function.
2972         (Incremental_binary::output_file): New function.
2973         (Incremental_binary::do_check_inputs): New function.
2974         (Incremental_binary::do_file_is_unchanged): Remove.
2975         (Incremental_binary::do_file_has_changed): New function.
2976         (Incremental_binary::do_init_layout): New function.
2977         (Incremental_binary::do_reserve_layout): New function.
2978         (Incremental_binary::do_input_file_count): New function.
2979         (Incremental_binary::do_get_input_reader): Change signature.
2980         (Incremental_binary::input_args_map_): New data member.
2981         (Incremental_binary::library_map_): New data member.
2982         (Incremental_binary::script_map_): New data member.
2983         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2984         new data members.
2985         (Sized_incremental_binary::output_section): New function.
2986         (Sized_incremental_binary::inputs_reader): Add const.
2987         (Sized_incremental_binary::symtab_reader): Add const.
2988         (Sized_incremental_binary::relocs_reader): Add const.
2989         (Sized_incremental_binary::got_plt_reader): Add const.
2990         (Sized_incremental_binary::get_symtab_view): New function.
2991         (Sized_incremental_binary::Inputs_reader): New typedef.
2992         (Sized_incremental_binary::Input_entry_reader): New typedef.
2993         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2994         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2995         (Sized_incremental_binary::do_file_has_changed): New function.
2996         (Sized_incremental_binary::do_init_layout): New function.
2997         (Sized_incremental_binary::do_reserve_layout): New function.
2998         (Sized_input_reader::Inputs_reader): Remove.
2999         (Sized_input_reader::Input_entry_reader): Remove.
3000         (Sized_input_reader::do_arg_serial): New function.
3001         (Sized_input_reader::do_get_unused_symbol_count): New function.
3002         (Sized_input_reader::do_get_unused_symbol): New function.
3003         (Sized_incremental_binary::do_input_file_count): New function.
3004         (Sized_incremental_binary::do_get_input_reader): Change signature;
3005         use index instead of filename.
3006         (Sized_incremental_binary::section_map_): New data member.
3007         (Sized_incremental_binary::input_entry_readers_): New data member.
3008         (class Sized_incr_relobj): New class.
3009         (class Sized_incr_dynobj): New class.
3010         (make_sized_incremental_object): New function.
3011         (class Incremental_library): New class.
3012         * layout.cc (Free_list::num_lists): New static data member.
3013         (Free_list::num_nodes): New static data member.
3014         (Free_list::num_removes): New static data member.
3015         (Free_list::num_remove_visits): New static data member.
3016         (Free_list::num_allocates): New static data member.
3017         (Free_list::num_allocate_visits): New static data member.
3018         (Free_list::init): New function.
3019         (Free_list::remove): New function.
3020         (Free_list::allocate): New function.
3021         (Free_list::dump): New function.
3022         (Free_list::print_stats): New function.
3023         (Layout_task_runner::run): Resize output file for incremental updates.
3024         (Layout::Layout): Initialize new data members.
3025         (Layout::set_incremental_base): New function.
3026         (Layout::init_fixed_output_section): New function.
3027         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3028         incremental updates.
3029         (Layout::create_gold_note): Do not create gold note section for
3030         incremental updates.
3031         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3032         for incremental updates.
3033         (Layout::set_section_offsets): For incremental updates, allocate space
3034         from free list.
3035         (Layout::create_symtab_sections): Layout with offsets relative to
3036         start of section; for incremental updates, allocate space from free
3037         list.
3038         (Layout::create_shdrs): For incremental updates, allocate space from
3039         free list.
3040         (Layout::finish_dynamic_section): For incremental updates, do not
3041         check --as-needed (fixed in subsequent patch).
3042         * layout.h (class Free_list): New class.
3043         (Layout::set_incremental_base): New function.
3044         (Layout::incremental_base): New function.
3045         (Layout::init_fixed_output_section): New function.
3046         (Layout::allocate): New function.
3047         (Layout::incremental_base_): New data member.
3048         (Layout::free_list_): New data member.
3049         * main.cc (main): Print Free_list statistics.
3050         * object.cc (Relobj::finalize_incremental_relocs): Add
3051         clear_counts parameter; clear counts only when clear_counts is set.
3052         (Sized_relobj::Sized_relobj): Initialize new base class.
3053         (Sized_relobj::do_layout): Don't report special sections.
3054         (Sized_relobj::do_for_all_local_got_entries): New function.
3055         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3056         symtab_off to all symbol table offsets.
3057         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3058         * object.h (class Got_offset_list): Move to top of file.
3059         (Object::Object): Allow case where input_file == NULL.
3060         (Object::~Object): Likewise.
3061         (Object::input_file): Assert that input_file != NULL.
3062         (Object::lock): Allow case where input_file == NULL.
3063         (Object::unlock): Likewise.
3064         (Object::is_locked): Likewise.
3065         (Object::token): Likewise.
3066         (Object::release): Likewise.
3067         (Object::is_incremental): New function.
3068         (Object::get_mtime): New function.
3069         (Object::for_all_local_got_entries): New function.
3070         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3071         (Object::set_is_in_system_directory): New function.
3072         (Object::is_in_system_directory): New function.
3073         (Object::do_is_incremental): New function.
3074         (Object::do_get_mtime): New function.
3075         (Object::do_for_all_local_got_entries): New function.
3076         (Object::is_in_system_directory_): New data member.
3077         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3078         (class Sized_relobj_base): New class.
3079         (class Sized_relobj): Derive from Sized_relobj_base.
3080         (class Sized_relobj::Symbols): Redeclare from base class.
3081         (class Sized_relobj::local_got_offset_list): Remove.
3082         (class Sized_relobj::Output_sections): Redeclare from base class.
3083         (class Sized_relobj::do_for_all_local_got_entries): New function.
3084         (class Sized_relobj::write_local_symbols): Add offset parameter.
3085         (class Sized_relobj::local_symbol_offset_): Update comment.
3086         (class Sized_relobj::local_dynsym_offset_): Update comment.
3087         * options.cc (Input_arguments::add_file): Remove const.
3088         * options.h (Input_file_argument::Input_file_argument):
3089         Initialize arg_serial_ (all constructors).
3090         (Input_file_argument::set_arg_serial): New function.
3091         (Input_file_argument::arg_serial): New function.
3092         (Input_file_argument::arg_serial_): New data member.
3093         (Input_arguments::Input_arguments): Initialize file_count_.
3094         (Input_arguments::add_file): Remove const.
3095         (Input_arguments::number_of_input_files): New function.
3096         (Input_arguments::file_count_): New data member.
3097         (Command_line::number_of_input_files): Call
3098         Input_arguments::number_of_input_files.
3099         * output.cc (Output_segment_headers::Output_segment_headers):
3100         Set current size.
3101         (Output_section::Input_section::current_data_size): New function.
3102         (Output_section::Output_section): Initialize new data members.
3103         (Output_section::add_input_section): Don't do merge sections for
3104         an incremental link; allocate space from free list for an
3105         incremental update.
3106         (Output_section::add_output_section_data): Allocate space from
3107         free list for an incremental update.
3108         (Output_section::update_data_size): New function.
3109         (Output_section::set_fixed_layout): New function.
3110         (Output_section::reserve): New function.
3111         (Output_segment::set_section_addresses): Remove const.
3112         (Output_segment::set_section_list_addresses): Remove const; allocate
3113         space from free list for an incremental update.
3114         (Output_segment::set_offset): Adjust size of RELRO segment for an
3115         incremental update.
3116         * output.h (Output_data::current_data_size): Move here from
3117         child classes.
3118         (Output_data::pre_finalize_data_size): New function.
3119         (Output_data::update_data_size): New function.
3120         (Output_section_headers::update_data_size): new function.
3121         (Output_section_data_build::current_data_size): Move to Output_data.
3122         (Output_data_strtab::update_data_size): New function.
3123         (Output_section::current_data_size): Move to Output_data.
3124         (Output_section::set_fixed_layout): New function.
3125         (Output_section::has_fixed_layout): New function.
3126         (Output_section::reserve): New function.
3127         (Output_section::update_data_size): New function.
3128         (Output_section::has_fixed_layout_): New data member.
3129         (Output_section::free_list_): New data member.
3130         (Output_segment::set_section_addresses): Remove const.
3131         (Output_segment::set_section_list_addresses): Remove const.
3132         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3133         New function.
3134         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3135         New function.
3136         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3137         parameter when calling Add_symbols constructor; store argument
3138         serial number for members of a lib group.
3139         (Add_symbols::locks): Allow case where token == NULL.
3140         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3141         (Read_member::~Read_member): New function.
3142         (Read_member::is_runnable): New function.
3143         (Read_member::locks): New function.
3144         (Read_member::run): New function.
3145         (Check_script::~Check_script): New function.
3146         (Check_script::is_runnable): New function.
3147         (Check_script::locks): New function.
3148         (Check_script::run): New function.
3149         (Check_library::~Check_library): New function.
3150         (Check_library::is_runnable): New function.
3151         (Check_library::locks): New function.
3152         (Check_library::run): New function.
3153         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3154         (Add_symbols::library_): New data member.
3155         (class Read_member): New class.
3156         (class Check_script): New class.
3157         (class Check_library): New class.
3158         * reloc.cc (Read_relocs::is_runnable): Allow case where
3159         token == NULL.
3160         (Read_relocs::locks): Likewise.
3161         (Scan_relocs::locks): Likewise.
3162         (Relocate_task::locks): Likewise.
3163         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3164         to clear counters.
3165         (Sized_relobj::incremental_relocs_scan): Fix comment.
3166         (Sized_relobj::do_relocate): Pass output file offset to
3167         write_local_symbols.
3168         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3169         from class declaration.
3170         * script.cc (read_input_script): Allocate Script_info; pass
3171         argument serial number to report_script.
3172         * script.h (class Script_info): Move to incremental.h.
3173         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3174         * symtab.h (Symbol_table::add_from_incrobj): New function.
3175         (Symbol_table::set_file_offset): New function.
3176
3177 2011-04-05  Cary Coutant  <ccoutant@google.com>
3178
3179         * incremental-dump.cc (dump_incremental_inputs): Change signature
3180         to take a Sized_incremental_binary; change caller.  Use readers
3181         in Sized_incremental_binary.
3182         * incremental.cc
3183         (Sized_incremental_binary::find_incremental_inputs_sections):
3184         Rename do_find_incremental_inputs_sections to this.
3185         (Sized_incremental_binary::setup_readers): New function.
3186         (Sized_incremental_binary::do_check_inputs): Check
3187         has_incremental_info_ flag; move setup code to setup_readers;
3188         use input readers.
3189         (Sized_incremental_binary::do_file_is_unchanged): New function.
3190         (Sized_incremental_binary::do_get_input_reader): New function.
3191         * incremental.h (class Incremental_binary): Move to end of file.
3192         (Incremental_binary::file_is_unchanged): New function.
3193         (Incremental_binary::do_file_is_unchanged): New function.
3194         (Incremental_binary::Input_reader): New class.
3195         (Incremental_binary::get_input_reader): New function.
3196         (class Sized_incremental_binary): Move to end of file.
3197         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3198         input section reader classes.
3199         (Sized_incremental_binary::has_incremental_info): New function.
3200         (Sized_incremental_binary::inputs_reader): New function.
3201         (Sized_incremental_binary::symtab_reader): New function.
3202         (Sized_incremental_binary::relocs_reader): New function.
3203         (Sized_incremental_binary::got_plt_reader): New function.
3204         (Sized_incremental_binary::do_file_is_unchanged): New function.
3205         (Sized_incremental_binary::Sized_input_reader): New class.
3206         (Sized_incremental_binary::get_input_reader): New function.
3207         (Sized_incremental_binary::find_incremental_inputs_sections):
3208         Rename do_find_incremental_inputs_sections to this.
3209         (Sized_incremental_binary::setup_readers): New function.
3210         (Sized_incremental_binary::has_incremental_info_): New data member.
3211         (Sized_incremental_binary::inputs_reader_): New data member.
3212         (Sized_incremental_binary::symtab_reader_): New data member.
3213         (Sized_incremental_binary::relocs_reader_): New data member.
3214         (Sized_incremental_binary::got_plt_reader_): New data member.
3215         (Sized_incremental_binary::current_input_file_): New data member.
3216
3217 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
3218
3219         PR gold/12640
3220         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
3221         violation.
3222
3223 2011-03-30  Cary Coutant  <ccoutant@google.com>
3224
3225         * archive.cc (Archive::include_member): Adjust call to report_object.
3226         (Add_archive_symbols::run): Add script_info to call to
3227         report_archive_begin.
3228         (Lib_group::include_member): Adjust call to report_object.
3229         (Add_lib_group_symbols::run): Adjust call to report_object.
3230         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
3231         blocks.  Add object count for script input files.
3232         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3233         script_info parameter; change all callers.
3234         (Incremental_inputs::report_object): Add script_info parameter;
3235         change all callers.
3236         (Incremental_inputs::report_script): Store backpointer to
3237         incremental info entry.
3238         (Output_section_incremental_inputs::set_final_data_size): Record
3239         additional information for scripts.
3240         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3241         * incremental.h (Incremental_script_entry::add_object): New function.
3242         (Incremental_script_entry::get_object_count): New function.
3243         (Incremental_script_entry::get_object): New function.
3244         (Incremental_script_entry::objects_): New data member; adjust
3245         constructor.
3246         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3247         (Incremental_inputs::report_object): Add script_info parameter.
3248         (Incremental_inputs_reader::get_object_count): New function.
3249         (Incremental_inputs_reader::get_object_offset): New function.
3250         * options.cc (Input_arguments::add_file): Return reference to
3251         new input argument.
3252         * options.h (Input_argument::set_script_info): New function.
3253         (Input_argument::script_info): New function.
3254         (Input_argument::script_info_): New data member; adjust all
3255         constructors.
3256         (Input_file_group::add_file): Return reference to new input argument.
3257         (Input_file_lib::add_file): Likewise.
3258         (Input_arguments::add_file): Likewise.
3259         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3260         * script.cc (Parser_closure::Parser_closure): Add script_info
3261         parameter; adjust all callers.
3262         (Parser_closure::script_info): New function.
3263         (Parser_closure::script_info_): New data member.
3264         (read_input_script): Report scripts earlier to incremental info.
3265         (script_add_file): Set script_info in Input_argument.
3266         (script_add_library): Likewise.
3267         * script.h (Script_options::Script_info): Rewrite class.
3268
3269 2011-03-29  Cary Coutant  <ccoutant@google.com>
3270
3271         * archive.cc (Library_base::should_include_member): Move
3272         method here from class Archive.
3273         (Archive::Archive): Initialize base class.
3274         (Archive::should_include_member): Move to base class.
3275         (Archive::do_for_all_unused_symbols): New function.
3276         (Add_archive_symbols::run): Remove redundant access to
3277         incremental_inputs.
3278         (Lib_group::Lib_group): Initialize base class.
3279         (Lib_group::do_filename): New function.
3280         (Lib_group::include_member): Pass pointer to Lib_group to
3281         report_object.
3282         (Lib_group::do_for_all_unused_symbols): New function.
3283         (Add_lib_group_symbols::run): Report archive information for
3284         incremental links.
3285         * archive.h (class Library_base): New base class.
3286         (class Archive): Derive from Library_base.
3287         (Archive::filename): Move to base class.
3288         (Archive::set_incremental_info): Likewise.
3289         (Archive::incremental_info): Likewise.
3290         (Archive::Should_include): Likewise.
3291         (Archive::should_include_member): Likewise.
3292         (Archive::Armap_entry): Remove.
3293         (Archive::Unused_symbol_iterator): Remove.
3294         (Archive::unused_symbols_begin): Remove.
3295         (Archive::unused_symbols_end): Remove.
3296         (Archive::do_filename): New function.
3297         (Archive::do_get_mtime): New function.
3298         (Archive::do_for_all_unused_symbols): New function.
3299         (Archive::task_): Move to base class.
3300         (Archive::incremental_info_): Likewise.
3301         (class Lib_group): Derive from Library_base.
3302         (Lib_group::do_filename): New function.
3303         (Lib_group::do_get_mtime): New function.
3304         (Lib_group::do_for_all_unused_symbols): New function.
3305         (Lib_group::task_): Move to base class.
3306         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3307         function.
3308         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3309         function.
3310         * incremental.cc (Incremental_inputs::report_archive_begin):
3311         Use Library_base; call library's get_mtime; add incremental inputs
3312         entry before members.
3313         (class Unused_symbol_visitor): New class.
3314         (Incremental_inputs::report_archive_end): Use Library_base; use
3315         visitor class to record unused symbols; don't add incremental inputs
3316         entry after members.
3317         (Incremental_inputs::report_object): Use Library_base.
3318         * incremental.h
3319         (Incremental_archive_entry::Incremental_archive_entry): Remove
3320         unused Archive parameter.
3321         (Incremental_inputs::report_archive_begin): Use Library_base.
3322         (Incremental_inputs::report_archive_end): Likewise.
3323         (Incremental_inputs::report_object): Likewise.
3324         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3325         function.
3326         * object.h (Object::for_all_global_symbols): New function.
3327         (Object::do_for_all_global_symbols): New function.
3328         (Sized_relobj::do_for_all_global_symbols): New function.
3329         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3330         function.
3331         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3332         function.
3333
3334 2011-03-27  Ian Lance Taylor  <iant@google.com>
3335
3336         * archive.cc (Archive::interpret_header): Return -1 if something
3337         goes wrong.  Change callers accordingly.
3338
3339 2011-03-25  Cary Coutant  <ccoutant@google.com>
3340
3341         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3342         * testsuite/Makefile.in: Regenerate.
3343
3344 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3345
3346         * plugin.cc (get_view): New.
3347         (Plugin::load): Pass get_view to the plugin.
3348         (Plugin_manager::get_view): New.
3349
3350 2011-03-21  Ian Lance Taylor  <iant@google.com>
3351
3352         * testsuite/final_layout.sh: Rewrite to not use dc.
3353         * testsuite/relro_test.sh: Fail if dc is not present.
3354
3355 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3356
3357         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3358         Change == to -eq.
3359         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3360         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3361         Change == to -eq.
3362         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3363         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3364
3365 2011-03-14  Ian Lance Taylor  <iant@google.com>
3366
3367         * script-sections.cc (Sort_output_sections::script_compare):
3368         Rename from is_before, change return type.
3369         (Sort_output_sections::operator()): Adjust accordingly.
3370
3371 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3372
3373         PR gold/12572
3374         * testsuite/odr_violation2.cc: Add comment to make all error line
3375         numbers double digits.
3376         * testsuite/debug_msg.sh: Adjust expected errors.
3377
3378 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3379
3380         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3381         but mark earlier ones as non-canonical
3382         (offset_to_iterator): Update search target and example
3383         (do_addr2line): Return extra lines in a vector*
3384         (format_file_lineno): Extract from do_addr2line
3385         (one_addr2line): Add vector* out-param
3386         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3387         when a lineno entry appeared last for its instruction
3388         (Dwarf_line_info): Add vector* out-param
3389         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3390         * symtab.cc (Odr_violation_compare): Include the lineno in the
3391         comparison again.
3392         (linenos_from_loc): New. Combine the canonical line for an
3393         address with its other lines.
3394         (True_if_intersect): New. Helper functor to make
3395         std::set_intersection a query.
3396         (detect_odr_violations): Compare sets of lines instead of just
3397         one line for each function. This became less deterministic, but
3398         has fewer false positives.
3399         * symtab.h: Declarations.
3400         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3401         mix an optimized and non-optimized object in the same binary
3402         (odr_violation2.so): Same.
3403         * testsuite/Makefile.in: Regenerate from Makefile.am.
3404         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3405         * testsuite/debug_msg.sh: Update line numbers and add
3406         assertions.
3407         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3408         non-optimized context.
3409         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3410         isn't inlined, and use OdrDerived in an optimized context.
3411         * testsuite/odr_header1.h: Defines OdrDerived, where
3412         optimization will change the
3413         first-instruction-in-the-destructor's file and line number.
3414         * testsuite/odr_header2.h: Defines OdrBase.
3415
3416 2011-03-09  Ian Lance Taylor  <iant@google.com>
3417
3418         * fileread.cc (File_read::clear_views): Don't delete the whole
3419         file view.
3420
3421 2011-03-08  Ian Lance Taylor  <iant@google.com>
3422
3423         PR gold/12525
3424         * fileread.cc: #include <climits>.
3425         (GOLD_IOV_MAX): Define.
3426         (File_read::read_multiple): Limit number of entries by iov_max.
3427         * fileread.h (class File_read): Always set max_readv_entries to
3428         128.
3429
3430 2011-03-07  Ian Lance Taylor  <iant@google.com>
3431
3432         PR gold/12525
3433         * options.h (class General_options): Add -dy and -dn.
3434
3435 2011-03-02  Cary Coutant  <ccoutant@google.com>
3436
3437         * testsuite/script_test_9.t: Add TLS segment.
3438
3439 2011-03-02  Simon Baldwin  <simonb@google.com>
3440
3441         * configure.ac: Add check for gnu_indirect_function support in
3442         the toolchain building binutils.
3443         * configure: Rebuild.
3444
3445 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3446
3447         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3448         plugin only symbols.
3449         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3450         in plugin files as not needed in the symbol table.
3451
3452 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3453
3454         * output.cc (Output_section::add_input_section): Delay fill
3455         generation for section ordering.
3456
3457 2011-02-09  Ian Lance Taylor  <iant@google.com>
3458
3459         PR gold/12316
3460         * object.h (class Sized_relobj): Remove clear_local_symbols.
3461         * reloc.cc (Sized_relobj::do_relocate): Don't call
3462         clear_local_symbols.
3463
3464 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3465
3466         * plugin.cc (is_visible_from_outside): Return true for symbols
3467         in the -u option.
3468
3469 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3470
3471         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3472         filename.
3473
3474 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3475
3476         * icf.h (is_section_foldable_candidate): Change type of parameter
3477         to std::string.
3478         * icf.cc (Icf::find_identical_sections): Change type of local variable
3479         section_name to be std::string.
3480         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3481
3482 2011-01-25  Ian Lance Taylor  <iant@google.com>
3483
3484         * script.cc (script_add_extern): Rewrite to use
3485         add_symbol_reference.
3486
3487 2011-01-25  Doug Kwan  <dougkwan@google.com>
3488
3489         * icf.cc (get_section_contents): Always lock section's object.
3490
3491 2011-01-24  Ian Lance Taylor  <iant@google.com>
3492
3493         * options.h (class General_options): Accept
3494         --no-detect-odr-violations.
3495
3496 2011-01-24  Ian Lance Taylor  <iant@google.com>
3497
3498         * version.cc (version_string): Bump to 1.11.
3499
3500 2011-01-24  Ian Lance Taylor  <iant@google.com>
3501
3502         * plugin.cc (class Plugin_rescan): Define new class.
3503         (Plugin_manager::claim_file): Set any_claimed_.
3504         (Plugin_manager::save_archive): New function.
3505         (Plugin_manager::save_input_group): New function.
3506         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3507         necessary.
3508         (Plugin_manager::new_undefined_symbol): New function.
3509         (Plugin_manager::rescan): New function.
3510         (Plugin_manager::rescannable_defines): New function.
3511         (Plugin_manager::add_input_file): Set any_added_.
3512         * plugin.h (class Plugin_manager): define new fields rescannable_,
3513         undefined_symbols_, any_claimed_, and any_added_.  Declare
3514         Plugin_rescan as friend.  Declare new functions.
3515         (Plugin_manager::Rescannable): Define type.
3516         (Plugin_manager::Rescannable_list): Define type.
3517         (Plugin_manager::Undefined_symbol_list): Define type.
3518         (Plugin_manager::Plugin_manager): Initialize new fields.
3519         * archive.cc (Archive::defines_symbol): New function.
3520         (Add_archive_symbols::run): Pass archive to plugins if any.
3521         * archive.h (class Archive): Declare defines_symbol.
3522         * readsyms.cc (Input_group::~Input_group): New function.
3523         (Finish_group::run): Pass input_group to plugins if any.
3524         * readsyms.h (class Input_group): Declare destructor.
3525         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3526         any.
3527
3528 2011-01-10  Ian Lance Taylor  <iant@google.com>
3529
3530         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3531         section as relro.
3532         (Layout::set_segment_offsets): Reset increase_relro before calling
3533         set_section_addresses a second time.
3534
3535 2011-01-04  Cary Coutant  <ccoutant@google.com>
3536
3537         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3538         sections before NOBITS sections.
3539
3540 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3541
3542         * version.cc (print_version): Update copyright to 2011.
3543
3544 2010-12-23  Cary Coutant  <ccoutant@google.com>
3545
3546         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3547         of OS to this->add.  Add OD parameter to second form of the function.
3548
3549 2010-12-20  Ian Lance Taylor  <iant@google.com>
3550
3551         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3552         second of two consecutive entries with same offset.
3553
3554 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3555
3556         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3557         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3558         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3559         to avoid unneeded links against $(LDADD).
3560         * testsuite/Makefile.in: Regenerate.
3561
3562 2010-12-15  Ian Lance Taylor  <iant@google.com>
3563
3564         PR gold/12324
3565         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3566         for R_X86_64_32 and R_X86_64_PC32.
3567         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3568         ver_matching_def_pic.o.
3569         (ver_matching_def_pic.o): New target.
3570
3571 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3572
3573         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3574         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3575         Move definition before File_read::View member definitions.
3576         (File_read::View::~View): Initialize and hold lock before
3577         updating current_mapped_bytes.
3578
3579 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3580
3581         * dwarf_reader.cc: Remove outdated comment.
3582         * gold-threads.cc: Fix typo in error message.
3583         * archive.cc: Fix typos in comments.
3584         * archive.h: Likewise.
3585         * arm-reloc-property.cc: Likewise.
3586         * arm-reloc-property.h: Likewise.
3587         * arm-reloc.def: Likewise.
3588         * arm.cc: Likewise.
3589         * attributes.h: Likewise.
3590         * cref.cc: Likewise.
3591         * ehframe.cc: Likewise.
3592         * fileread.h: Likewise.
3593         * gold.h: Likewise.
3594         * i386.cc: Likewise.
3595         * icf.cc: Likewise.
3596         * incremental.h: Likewise.
3597         * int_encoding.cc: Likewise.
3598         * layout.h: Likewise.
3599         * main.cc: Likewise.
3600         * merge.h: Likewise.
3601         * object.cc: Likewise.
3602         * object.h: Likewise.
3603         * options.cc: Likewise.
3604         * readsyms.cc: Likewise.
3605         * reduced_debug_output.cc: Likewise.
3606         * reloc.cc: Likewise.
3607         * script-sections.cc: Likewise.
3608         * sparc.cc: Likewise.
3609         * symtab.h: Likewise.
3610         * target-reloc.h: Likewise.
3611         * target.cc: Likewise.
3612         * target.h: Likewise.
3613         * timer.cc: Likewise.
3614         * timer.h: Likewise.
3615         * x86_64.cc: Likewise.
3616
3617 2010-12-09  Cary Coutant  <ccoutant@google.com>
3618
3619         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3620         stack.
3621         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3622         parameter; change all callers.
3623         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3624         * options.h (warn_execstack): New option.
3625
3626 2010-12-07  Doug Kwan  <dougkwan@google.com>
3627
3628         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3629         like function call relocations.
3630
3631 2010-12-07  Ian Lance Taylor  <iant@google.com>
3632
3633         * archive.cc (Archive::get_elf_object_for_member): Permit
3634         punconfigured to be NULL.
3635         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3636         (Archive::include_member): Pass NULL to get_elf_object_for_member
3637         if we searched for the archive and this is the first included
3638         object.
3639
3640 2010-12-01  Ian Lance Taylor  <iant@google.com>
3641
3642         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3643         track_relocs_type_ field.
3644         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3645         Set track_relocs_type_.
3646         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3647         contents when using RELA relocs.
3648         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3649         reloc_map_.
3650         * reloc.cc (Track_relocs::next_addend): New function.
3651         * reloc.h (class Track_relocs): Declare next_addend.
3652
3653 2010-12-01  Ian Lance Taylor  <iant@google.com>
3654
3655         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3656         virtual destructor.
3657
3658 2010-12-01  Ian Lance Taylor  <iant@google.com>
3659
3660         * README: Update compilers known to work and fail.
3661
3662 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3663
3664         * configure.in: For --enable-gold, handle value `default' instead of
3665         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3666         not the default.
3667         * configure: Regenerate.
3668
3669 2010-11-18  Doug Kwan  <dougkwan@google.com>
3670
3671         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3672         and right_alignment to be zero.  Store result alignment only if it is
3673         greater than existing alignment.
3674
3675 2010-11-16  Cary Coutant  <ccoutant@google.com>
3676
3677         PR gold/12220
3678         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3679         Check for ".zdebug_line".
3680
3681 2010-11-16  Doug Kwan  <dougkwan@google.com>
3682             Cary Coutant  <ccoutant@google.com>
3683
3684         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3685         by reference; adjust all callers.
3686         * output.cc (Output_segment::set_section_addresses): Adjust references
3687         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3688         list is empty.
3689         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3690         end at page boundary.
3691
3692 2010-11-16  Cary Coutant  <ccoutant@google.com>
3693
3694         PR gold/12220
3695         * layout.cc (Layout::choose_output_section): Transform names of
3696         compressed sections even when using a script with a SECTIONS clause.
3697         (Layout::output_section_name): Remove code to transform
3698         compressed debug section names.
3699         * output.cc (Output_section::add_input_section): Use uncompressed
3700         section size when tracking input sections.
3701
3702 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3703
3704         * symtab.h (Symbol::NON_PIC_REF): Remove.
3705         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3706         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3707         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3708         (Symbol::use_plt_offset): Take a flags argument and pass it
3709         directly to needs_dynamic_reloc.  Restrict check for undefined
3710         weak symbols to function calls.
3711         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3712         (Target_arm::Scan::global): Use it.
3713         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3714         (Target_arm::Relocate::relocate): Likewise.
3715         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3716         parameter with an r_type parameter.  Use get_reference_flags
3717         to get the flags.
3718         (Target_arm::Relocate::relocate): Update accordingly.
3719         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3720         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3721         (Target_i386::Scan::global): Likewise.
3722         (Target_i386::Relocate::relocate): Likewise.
3723         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3724         parameter with an r_type parameter.  Use get_reference_flags
3725         to get the flags.
3726         (Target_i386::Relocate::relocate): Update accordingly.
3727         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3728         (Target_powerpc::Scan::global): Use it.
3729         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3730         (Target_powerpc::Relocate::relocate): Likewise.
3731         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3732         (Target_sparc::Scan::global): Use it.
3733         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3734         (Target_sparc::Relocate::relocate): Likewise.
3735         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3736         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3737         (Target_x86_64::Scan::global): Likewise.
3738         (Target_x86_64::Relocate::relocate): Likewise.
3739
3740 2010-11-08  Doug Kwan  <dougkwan@google.com>
3741             Cary Coutant  <ccoutant@google.com>
3742
3743         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3744         (Arm_exidx_merge_section::section_contents_): New data member.
3745         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3746         (Arm_input_section::~Arm_input_section): De-allocate memory.
3747         (Arm_input_section::original_contents_): New data member.
3748         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3749         in parameters instead of calling Object::section_contents without
3750         locking.
3751         (Arm_output_section::group_section): New parameter TASK.  Pass it
3752         to callees that need locking objects.
3753         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3754         to lock EXIDX input sections.  Fix a formatting issue.  Call
3755         Arm_exidx_merged_section::build_contents to create merged section
3756         contents.
3757         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3758         to lock object of stub table owner.
3759         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3760         TEXT_SIZE to initialize data member TEXT_SIZE_.
3761         (Arm_exidx_input_section::addralign): Fix typo in comment.
3762         (Arm_exidx_input_section::text_size): New method.
3763         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3764         that require locking objects.  Lock objects before scanning for stubs
3765         and updating local symbols.
3766         (Arm_input_section<big_endian>::init): Copy contents of original
3767         input section.
3768         (Arm_input_section<big_endian>::do_write): Use saved contents of
3769         original input section instead of calling Object::section_contents
3770         without locking.
3771         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3772         size without calling Object::section_size().
3773         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3774         for size.  Allocate a buffer for merged EXIDX entries.
3775         (Arm_exidx_merged_section::build_contents): New method.
3776         (Arm_exidx_merged_section::do_write): Move merge section contents
3777         building code to Arm_exidx_merged_section::build_contetns.  Write
3778         out contetns in buffer instead of building it on the fly.
3779         (Arm_relobj::make_exidx_input_section): Also pass text section size
3780         to Arm_exidx_input_section constructor.
3781         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3782         (Arm_dynobj::do_read_symbols): Fix memory leak.
3783         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3784         * target.h: (class Task): Add forward declaration.
3785         (Target::relax): Add new parameter TASK and pass it to
3786         Target::do_relax().
3787         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3788
3789 2010-11-05  Cary Coutant  <ccoutant@google.com>
3790
3791         PR gold/10708
3792         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3793         object when reading from the file.
3794         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3795         second layout pass.
3796         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3797         when reading section contents.
3798         (get_section_contents): Likewise.
3799         (icf::find_identical_sections): Likewise.
3800         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3801         object when reading from the file.
3802         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3803         the object when doing deferred section layout.
3804
3805 2010-11-03  Nick Clifton  <nickc@redhat.com>
3806
3807         PR gold/12001
3808         * script.h (class Symbol_assignment: name): New member.  Returns
3809         the name of the symbol.
3810         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3811         Returns true if the given symbol name is on the list of
3812         assignments wating to be processed.
3813         * archive.cc (should_incldue_member): If the symbol is undefined,
3814         check to see if it is on the list of symbols pending assignment.
3815
3816 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3817
3818         * script-sections.cc (Script_sections::find_memory_region): Check
3819         for a NULL output section pointer.
3820
3821 2010-10-29  Doug Kwan  <dougkwan@google.com>
3822
3823         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3824         Output_section::add_relaxed_input_section.
3825         * output.cc (Output_section::add_relaxed_input_section): Add new
3826         arguments LAYOUT and NAME.  Set section order index.
3827         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3828         Copy section order index.
3829         * output.h (Output_section::add_relaxed_input_section): Add new
3830         arguments LAYOUT and NAME.
3831
3832 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3833
3834         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3835         NATIVE_OR_CROSS_LINKER.
3836         * testsuite/Makefile.in: Regenerate.
3837
3838 2010-10-20  Doug Kwan  <dougkwan@google.com>
3839
3840         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3841         without SHF_LINK_ORDER flags.
3842         * layout.cc (Layout::choose_output_section): Do not filter
3843         SHF_LINK_ORDER flag in a relocatable link.
3844
3845 2010-10-17  Cary Coutant  <ccoutant@google.com>
3846
3847         * output.h (Output_segment::set_section_addresses): Change function
3848         signature.  Update all callers.
3849         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3850         sections.
3851         (Output_segment::set_section_addresses): Align after last TLS
3852         section.  Add padding before last relro section instead of after.
3853
3854 2010-10-17  Doug Kwan  <dougkwan@google.com>
3855
3856         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3857         GOT output section to be writable.
3858
3859 2010-10-14  Cary Coutant  <ccoutant@google.com>
3860
3861         * debug.h (DEBUG_INCREMENTAL): New flag.
3862         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3863         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3864         mode.
3865         * incremental.cc (report_command_line): Ignore all forms of
3866         --incremental.
3867         * layout.cc (Layout::Layout): Check parameters for incremental link
3868         mode.
3869         * options.cc (General_options::parse_incremental): New function.
3870         (General_options::parse_no_incremental): New function.
3871         (General_options::parse_incremental_full): New function.
3872         (General_options::parse_incremental_update): New function.
3873         (General_options::incremental_mode_): New data member.
3874         (General_options::finalize): Check incremental_mode_.
3875         * options.h (General_options): Update help text for --incremental.
3876         Add --no-incremental, --incremental-full, --incremental-update.
3877         (General_options::Incremental_mode): New enum type.
3878         (General_options::incremental_mode): New function.
3879         (General_options::incremental_mode_): New data member.
3880         * parameters.cc (Parameters::incremental_mode_): New data member.
3881         (Parameters::set_options): Set incremental_mode_.
3882         (Parameters::set_incremental_full): New function.
3883         (Parameters::incremental): New function.
3884         (Parameters::incremental_update): New function.
3885         (set_parameters_incremental_full): New function.
3886         * parameters.h (Parameters::set_incremental_full): New function.
3887         (Parameters::incremental): New function.
3888         (Parameters::incremental_update): New function.
3889         (Parameters::incremental_mode_): New data member.
3890         (set_parameters_incremental_full): New function.
3891         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3892         incremental link mode.
3893         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3894         (Sized_relobj::do_relocate_sections): Likewise.
3895         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3896         option.
3897         * testsuite/Makefile.in: Regenerate.
3898         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3899
3900 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3901
3902         * script-sections.h (class Script_sections): Make
3903         Sections_elements typedef public.
3904         * script-sections.cc (class Sort_output_sections): Add elements_
3905         field.  Add constructor which sets it; change all callers.
3906         (Sort_output_sections::is_before): New function.
3907         (Sort_output_sections::operator()): Call is_before.
3908         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3909         conditional.
3910         * testsuite/script_test_10.sh: New test. Test script section
3911         order.
3912         * testsuite/script_test_10.t: Likewise.
3913         * testsuite/script_test_10.s: Likewise.
3914         * testsuite/Makefile.am: Wrap the cross linker tests and the
3915         common tests into NATIVE_OR_CROSS_LINKER.
3916         (check_SCRIPTS): Add script_test_10.sh.
3917         (check_DATA): Add script_test_10.stdout.
3918         (script_test_10.o, script_test_10): New targets.
3919         (script_test_10.stdout): New target.
3920         * configure, testsuite/Makefile.in: Regenerate.
3921
3922 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3923
3924         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3925         error for the deprecated relocations.
3926         (Target_arm::Scan::global): Likewise.
3927         (Target_arm::Relocate::relocate): Likewise.
3928
3929 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3930
3931         * fileread.cc (Input_file::find_file): Initialize *found_name
3932         and *namep when using the fallback search for case 4.
3933
3934 2010-10-11  Cary Coutant  <ccoutant@google.com>
3935
3936         * options.h (class General_options): Redefine -z lazy as an alias for
3937         the negation of -z now.
3938
3939 2010-10-11  Ian Lance Taylor  <iant@google.com>
3940
3941         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3942         binding.
3943
3944 2010-10-06  Nick Clifton  <nickc@redhat.com>
3945
3946         * script-sections.cc(class Memory_region): Remove
3947         current_lma_offset_ field.  Rename current_vma_offset_ to
3948         current_offset_.  Add last_section_ field.
3949         (Memory_region::get_current_vma_address): Rename to
3950         get_current_address.
3951         (Memory_region::get_current_lma_address): Delete.
3952         (Memory_region::increment_vma_offset): Rename to
3953         increment_offset.
3954         (Memory_region::increment_lma_offset): Delete.
3955         (Memory_region::attributes_compatible): New method.  Returns
3956         true if the provided section is compatible with the region.
3957         (Memory_region::get_last_section): New method.  Returns the last
3958         section to use the region.
3959         (Memory_region::set_last_section): New method.  Stores the last
3960         section to use the region.
3961         (Script_sections::block_in_region): New method.  Returns true if
3962         a block of memory is contained within a region.
3963         (Script_sections::find_memory_region): New method.  Locates a
3964         memory region to be used to set a VMA or LMA address.
3965         (Output_section_definition::set_section_addresses): Add code to
3966         check for addresses set by memory regions.
3967         (Output_segment::set_section_addresses): Remove memory region
3968         walking code.
3969         (Script_sections::create_segment): Add a warning if a header
3970         segment is created outside of any region.
3971         * script-sections.h (class Script_sections): Add prototypes for
3972         find_memory_region and block_in_region methods.
3973         * testsuite/memory_test.s: Use .long instead of .word.
3974         * testsuite/memory_test.t: Add some more output sections.
3975         * testsuite/memory_test.sh: Update expected output.
3976
3977 2010-10-02  Doug Kwan  <dougkwan@google.com>
3978
3979         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3980         defintion to symtab.h
3981         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3982         declaration to defintion.
3983
3984 2010-10-01  Nick Clifton  <nickc@redhat.com>
3985
3986         * expression.cc (eval): Replace dummy argument with NULL.
3987         (eval_maybe_dot): Check for a NULL result section pointer.
3988         (Symbol_expression::value): Likewise.
3989         (Dot_expression::value): Likewise.
3990         (BINARY_EXPRESSION): Likewise.
3991         (Max_expression::value): Likewise.
3992         (Min_expression::value): Likewise.
3993         (Absolute_expression::value): Likewise.
3994         (Addr_expression::value_from_output_section): Likewise.
3995         (Loaddddr_expression::value_from_output_section): Likewise.
3996         (Segment_start_expression::value): Likewise.
3997         * script-sections.cc
3998         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3999         argument with NULL.
4000         (Sections_elememt_dot_assignment::set_section_addresses):
4001         Likewise.
4002         (Output_data_expression::do_write_to_buffer): Likewise.
4003         (Output_section_definition::finalize_symbols): Likewise.
4004         (Output_section_definition::set_section_addresses): Likewise.
4005
4006 2010-09-30  Doug Kwan  <dougkwan@google.com>
4007
4008         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4009
4010 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4011
4012         * target.h (Target::can_icf_inline_merge_sections): New virtual
4013         function.
4014         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4015         virtual function.
4016         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4017         virtual function.
4018         * icf.cc (get_section_contents): Inline merge sections only when
4019         target allows it.
4020
4021 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4022
4023         * configure: Regenerate.
4024
4025 2010-09-17  Ian Lance Taylor  <iant@google.com>
4026
4027         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4028         * testsuite/Makefile.am (memory_test.o): New target.
4029         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4030         memory_test.t.
4031         * testsuite/Makefile.in: Rebuild.
4032
4033 2010-09-17  Doug Kwan  <dougkwan@google.com>
4034
4035         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4036         defintion if relocation uses GOT entries of the symbol.
4037         * testsuite/icf_safe_test.sh: Fix test.
4038         * testsuite/icf_safe_so_test.sh: Fix test.
4039
4040 2010-09-16  Cary Coutant  <ccoutant@google.com>
4041
4042         * script_sections.cc (class Memory_region): Remove "NULL" from
4043         vector initializations.
4044
4045 2010-09-15  Cary Coutant  <ccoutant@google.com>
4046
4047         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4048         Resolve forwarding symbols.
4049
4050 2010-09-15  Doug Kwan  <dougkwan@google.com>
4051
4052         * gold/testsuite/script_test_3.t: Add ARM special sections.
4053         * gold/testsuite/script_test_4.t: Same.
4054         * gold/testsuite/script_test_5.t: Same.
4055         * gold/testsuite/script_test_6.t: Same.
4056         * gold/testsuite/script_test_7.t: Same.
4057         * gold/testsuite/script_test_7.t: Same.
4058         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4059
4060 2010-09-14  Cary Coutant  <ccoutant@google.com>
4061
4062         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4063         (Target_x86_64::Relocate::relocate_tls): Replace check for
4064         saw_tls_block_reloc_ with test for executable section.
4065
4066 2010-09-12  Cary Coutant  <ccoutant@google.com>
4067
4068         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4069         position-independent executables to shared libraries need dynamic
4070         relocations.
4071         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4072         position-independent executables.
4073         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4074         * testsuite/Makefile.in: Regenerate.
4075
4076 2010-09-10  Nick Clifton  <nickc@redhat.com>
4077
4078         PR gold/11997
4079         * testsuite/memory_test.t: Discard any sections that are not
4080         needed.
4081
4082 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4083
4084         PR gold/11996
4085         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4086         "This::" to work around a bug in gcc 4.2.
4087
4088         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4089
4090 2010-09-09  Rafael Espindola  <espindola@google.com>
4091
4092         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4093         sections with different PF_X flags in the same segment.
4094         (Layout::find_first_load_seg): Search all segments to find the first
4095         one.
4096         * options.h (rosegment): New.
4097
4098 2010-09-08  Rafael Espindola  <espindola@google.com>
4099
4100         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4101
4102 2010-09-08  Doug Kwan  <dougkwan@google.com>
4103
4104         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4105         (Arm_relobj::do_relocate_sections): Add new parameter for output
4106         file to match the parent.
4107         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4108         of local symbols instead of input values.  Update code to track
4109         changes in gold::relocate_section.
4110         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4111         (Sized_relobj::compute_final_local_value_internal): New methods.
4112         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4113         body into private version of Sized_relobj::compute_final_local_value.
4114         Call the inline method.
4115         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4116         merged symbol value if there is one.
4117         (Symbol_value::has_output_value): New method defintiion.
4118         (Sized_relobj::Compute_final_local_value_status): New enum type.
4119         (Sized_relobj::compute_final_local_value): New methods.
4120         (Sized_relobj::compute_final_local_value_internal): New methods.
4121         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4122         and arm_cortex_a8.sh.
4123         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4124         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4125         New tests.
4126         * Makefile.in: Regenerate.
4127         * testsuite/arm_bl_out_of_range.s: Update test.
4128         * testsuite/thumb_bl_out_of_range.s: Ditto.
4129         * testsuite/thumb_blx_out_of_range.s: Ditto.
4130         * testsuite/arm_branch_out_of_range.sh: New file.
4131         * testsuite/arm_cortex_a8.sh: Ditto.
4132         * testsuite/arm_cortex_a8_b.s: Ditto.
4133         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4134         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4135         * testsuite/arm_cortex_a8_bl.s: Ditto.
4136         * testsuite/arm_cortex_a8_blx.s: Ditto.
4137         * testsuite/arm_cortex_a8_local.s: Ditto.
4138         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4139         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4140
4141 2010-09-08  Rafael Espindola  <espindola@google.com>
4142
4143         * Makefile.am (memory_test.stdout): Run readelf with -W.
4144         * Makefile.in: Regenerate.
4145         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4146         64 bit output.
4147
4148 2010-09-08  Rafael Espindola  <espindola@google.com>
4149
4150         * script-sections.cc (Script_sections::add_memory_region): Convert
4151         field precision to int.
4152         * script.cc (script_set_section_region, script_set_section_region):
4153         Convert field precision to int.
4154
4155 2010-09-08  Rafael Espindola  <espindola@google.com>
4156
4157         * arm.cc (do_finalize_sections): Create the __exidx_start and
4158         __exdix_end symbols even when the section is missing.
4159
4160 2010-09-08  Nick Clifton  <nickc@redhat.com>
4161
4162         * README: Remove claim that MEMORY is not supported.
4163         * expression.cc (script_exp_function_origin)
4164         (script_exp_function_length): Move from here to ...
4165         * script.cc: ... here.
4166         (script_set_section_region, script_add_memory)
4167         (script_parse_memory_attr, script_include_directive): New
4168         functions.
4169         * script-sections.cc
4170         (class Memory_region): New class.
4171         (class Output_section_definition): Add set_memory_region,
4172         set_section_vma, set_section_lma and get_section_name methods.
4173         (class Script_Sections): Add add_memory_region,
4174         find_memory_region, find_memory_region_origin,
4175         find_memory_region_length and set_memory_region methods.
4176         Have set_section_addresses method walk the list of set memory
4177         regions.
4178         Extend the print methos to display memory regions.
4179         * script-sections.h: Add prototypes for new methods.
4180         Add enum for MEMORY region attributes.
4181         * yyscript.y: Add support for parsing MEMORY regions.
4182         * script-c.h: Add prototypes for new functions.
4183         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4184         * testsuite/Makefile.in: Regenerate.
4185         * testsuite/memory_test.sh: New script.
4186         * testsuite/memory_test.s: New assembler source file.
4187         * testsuite/memory_test.t: New linker script.
4188
4189 2010-08-27  Doug Kwan  <dougkwan@google.com>
4190
4191         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4192         reference override an existing dynamic weak reference.
4193         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4194         * testsuite/Makefile.in: Regenerate.
4195         * testsuite/dyn_weak_ref.sh: New file.
4196         * testsuite/dyn_weak_ref_1.c: Ditto.
4197         * testsuite/dyn_weak_ref_2.c: Ditto.
4198
4199 2010-08-27  Ian Lance Taylor  <iant@google.com>
4200
4201         * incremental.h (class Incremental_input_entry): Add virtual
4202         destructor.
4203
4204 2010-08-27  Ian Lance Taylor  <iant@google.com>
4205
4206         * testsuite/start_lib_test_3.c: Mark t3 as used.
4207
4208 2010-08-27  Nick Clifton  <nickc@redhat.com>
4209
4210         * options.cc (version_script): Fix small typo in previous
4211         whitespace tidyup.
4212
4213 2010-08-25  Nick Clifton  <nickc@redhat.com>
4214
4215         * archive.cc: Formatting fixes: Remove whitespace between
4216         typename and following asterisk.  Remove whitespace between
4217         function name and opening parenthesis.
4218         * archive.h: Likewise.
4219         * arm.cc: Likewise.
4220         * attributes.cc: Likewise.
4221         * attributes.h: Likewise.
4222         * common.cc: Likewise.
4223         * copy-relocs.cc: Likewise.
4224         * dirsearch.h: Likewise.
4225         * dynobj.cc: Likewise.
4226         * ehframe.cc: Likewise.
4227         * ehframe.h: Likewise.
4228         * expression.cc: Likewise.
4229         * fileread.cc: Likewise.
4230         * fileread.h: Likewise.
4231         * gc.h: Likewise.
4232         * gold-threads.cc: Likewise.
4233         * gold.cc: Likewise.
4234         * i386.cc: Likewise.
4235         * icf.h: Likewise.
4236         * incremental-dump.cc: Likewise.
4237         * incremental.cc: Likewise.
4238         * layout.cc: Likewise.
4239         * layout.h: Likewise.
4240         * main.cc: Likewise.
4241         * merge.cc: Likewise.
4242         * merge.h: Likewise.
4243         * object.cc: Likewise.
4244         * object.h: Likewise.
4245         * options.cc: Likewise.
4246         * options.h: Likewise.
4247         * output.cc: Likewise.
4248         * output.h: Likewise.
4249         * plugin.cc: Likewise.
4250         * plugin.h: Likewise.
4251         * powerpc.cc: Likewise.
4252         * reloc.cc: Likewise.
4253         * script-c.h: Likewise.
4254         * script-sections.cc: Likewise.
4255         * script.cc: Likewise.
4256         * stringpool.cc: Likewise.
4257         * symtab.cc: Likewise.
4258         * symtab.h: Likewise.
4259         * target.cc: Likewise.
4260         * timer.cc: Likewise.
4261         * timer.h: Likewise.
4262         * version.cc: Likewise.
4263         * x86_64.cc: Likewise.
4264
4265 2010-08-24  Nick Clifton  <nickc@redhat.com>
4266
4267         PR 11899
4268         * layout.cc (segment_precedes): Sort segments by their physical
4269         addresses, if they have been set.
4270
4271 2010-08-23  Cary Coutant  <ccoutant@google.com>
4272
4273         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4274         symbols data.
4275         (Lib_group::include_member): Unlock object after deleting its
4276         symbols data.
4277         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
4278         the bug fixed here.
4279
4280 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
4281             Cary Coutant  <ccoutant@google.com>
4282
4283         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
4284         constructor, and set_blocker.
4285         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
4286         readsyms_blocker_.
4287         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
4288         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
4289         * testsuite/Makefile.am (start_lib_test): New test case.
4290         * testsuite/Makefile.in: Regenerate.
4291         * testsuite/start_lib_test_main.c: New file.
4292         * testsuite/start_lib_test_1.c: New file.
4293         * testsuite/start_lib_test_2.c: New file.
4294         * testsuite/start_lib_test_3.c: New file.
4295
4296 2010-08-19  Ian Lance Taylor  <iant@google.com>
4297
4298         * Makefile.in: Rebuild with automake 1.11.1.
4299         * aclocal.m4: Likewise.
4300         * testsuite/Makefile.in: Likewise.
4301
4302 2010-08-19  Ian Lance Taylor  <iant@google.com>
4303
4304         PR 10893
4305         * i386.cc (class Output_data_plt_i386): Update declarations.
4306         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4307         local_ifuncs_ fields.
4308         (Target_i386::do_plt_section_for_global): New function.
4309         (Target_i386::do_plt_section_for_local): New function.
4310         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4311         parameter; change all callers.  Initialize global_ifuncs_ and
4312         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4313         __rel_iplt_end.
4314         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4315         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4316         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4317         symbols.
4318         (Target_i386::make_plt_section): New function, broken out of
4319         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4320         (Target_i386::make_plt_entry): Call make_plt_section.
4321         (Target_i386::make_local_ifunc_plt_entry): New function.
4322         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4323         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4324         R_386_IRELATIVE to switch.
4325         (Target_i386::Scan::global): Likewise.
4326         (Target_i386::Relocate::relocate): Likewise.
4327         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4328         switch.
4329         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4330         (Target_x86_64::do_plt_section_for_global): New function.
4331         (Target_x86_64::do_plt_section_for_local): New function.
4332         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4333         parameter; change all callers.  If doing a static link define
4334         __rela_iplt_start and __rela_iplt_end.
4335         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4336         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4337         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4338         to point to .plt.
4339         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4340         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4341         switch.
4342         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4343         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4344         R_X86_64_IRELATIVE to switch.
4345         (Target_x86_64::Scan::global): Likewise.
4346         (Target_x86_64::Relocate::relocate): Likewise.
4347         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4348         switch.
4349         * target.h (class Target): Add plt_section_for_global and
4350         plt_section_for_local functions.  Add do_plt_section_for_global
4351         and do_plt_section_for_local virtual functions.
4352         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4353         clarifying comments.
4354         (Symbol::use_plt_offset): Handle IFUNC symbol.
4355         * object.cc (Sized_relobj::Sized_relobj): Initialize
4356         local_plt_offsets_.
4357         (Sized_relobj::local_has_plt_offset): New function.
4358         (Sized_relobj::local_plt_offset): New function.
4359         (Sized_relobj::set_local_plt_offset): New function.
4360         (Sized_relobj::do_count): Handle IFUNC symbol.
4361         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4362         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4363         is_ifunc_symbol functions.
4364         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4365         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4366         local_plt_offsets_ field.
4367         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4368         * output.h (class Output_section_data): Add non-const
4369         output_section function.
4370         (class Output_data_got): Update declarations.
4371         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4372         Add use_plt_offset parameter to global and local constructors.
4373         Change all callers.  Change local_sym_index_ field to 31 bits.
4374         Change GSYM_CODE and CONSTANT_CODE accordingly.
4375         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4376         doing a static link don't set sh_link field.
4377         (Output_data_got::Got_entry::write): Use PLT offset if
4378         appropriate.
4379         (Output_data_got::add_global_plt): New function.
4380         (Output_data_got::add_local_plt): New function.
4381         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4382         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4383         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4384         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4385         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4386         IFUNC conditional.
4387         * testsuite/ifunc-sel.h: New file.
4388         * testsuite/ifuncmain1.c: New file.
4389         * testsuite/ifuncmain1vis.c: New file.
4390         * testsuite/ifuncmod1.c: New file.
4391         * testsuite/ifuncdep2.c: New file.
4392         * testsuite/ifuncmain2.c: New file.
4393         * testsuite/ifuncmain3.c: New file.
4394         * testsuite/ifuncmod3.c: New file.
4395         * testsuite/ifuncmain4.c: New file.
4396         * testsuite/ifuncmain5.c: New file.
4397         * testsuite/ifuncmod5.c: New file.
4398         * testsuite/ifuncmain6pie.c: New file.
4399         * testsuite/ifuncmod6.c: New file.
4400         * testsuite/ifuncmain7.c: New file.
4401         * configure, testsuite/Makefile.in: Rebuild.
4402
4403 2010-08-18  Ian Lance Taylor  <iant@google.com>
4404
4405         * incremental.cc
4406         (Output_section_incremental_inputs::write_input_files): Add cast
4407         to avoid signed/unsigned comparison warning.
4408         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4409
4410 2010-08-12  Cary Coutant  <ccoutant@google.com>
4411
4412         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4413
4414 2010-08-13  Ian Lance Taylor  <iant@google.com>
4415
4416         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4417
4418 2010-08-12  Cary Coutant  <ccoutant@google.com>
4419             Doug Kwan  <dougkwan@google.com>
4420
4421         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4422         defintion overrides non-weak undef, remember that the original undef
4423         is not weak.
4424         * symtab.cc (Symbol_table::sized_write_global): For undef without
4425         an original weak binding, set binding to global in output.
4426         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4427         * testsuite/Makefile.in: Regenerate.
4428         * testsuite/strong_ref_weak_def.sh: New file.
4429         * testsuite/strong_ref_weak_def_1.c: Ditto.
4430         * testsuite/strong_ref_weak_def_2.c: Ditto.
4431
4432 2010-08-12  Cary Coutant  <ccoutant@google.com>
4433
4434         * testsuite/incremental_test.sh: Rewrite.
4435         * testsuite/incremental_test_1.c: Rewrite.
4436         * testsuite/incremental_test_2.c: Rewrite.
4437
4438 2010-08-12  Cary Coutant  <ccoutant@google.com>
4439
4440         * arm.cc (Target_arm::got_size): Add const.
4441         (Target_arm::got_entry_count): New function.
4442         (Target_arm::plt_entry_count): New function.
4443         (Target_arm::first_plt_entry_offset): New function.
4444         (Target_arm::plt_entry_size): New function.
4445         (Output_data_plt_arm::entry_count): New function.
4446         (Output_data_plt_arm::first_plt_entry_offset): New function.
4447         (Output_data_plt_arm::get_plt_entry_size): New function.
4448         * i386.cc (Target_i386::got_size): Add const.
4449         (Target_i386::got_entry_count): New function.
4450         (Target_i386::plt_entry_count): New function.
4451         (Target_i386::first_plt_entry_offset): New function.
4452         (Target_i386::plt_entry_size): New function.
4453         (Output_data_plt_i386::entry_count): New function.
4454         (Output_data_plt_i386::first_plt_entry_offset): New function.
4455         (Output_data_plt_i386::get_plt_entry_size): New function.
4456         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4457         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4458         * incremental.cc: Include target.h.
4459         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4460         parameter.  Adjust all callers.  Find incremental_got_plt section.
4461         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4462         section.
4463         (Output_section_incremental_inputs::set_final_data_size): Calculate
4464         size of incremental_got_plt section.
4465         (Output_section_incremental_inputs::do_write): Write the
4466         incremental_got_plt section.
4467         (Got_plt_view_info): New struct.
4468         (Local_got_offset_visitor): New class.
4469         (Global_got_offset_visitor): New class.
4470         (Global_symbol_visitor_got_plt): New class.
4471         (Output_section_incremental_inputs::write_got_plt): New function.
4472         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4473         Add parameter.  Adjust all callers.
4474         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4475         (Incremental_inputs::got_plt_section): New function.
4476         (Incremental_inputs::got_plt_section_): New data member.
4477         (Incremental_got_plt_reader): New class.
4478         * layout.cc (Layout::create_incremental_info_sections): Add the
4479         incremental_got_plt section.
4480         * object.h (Got_offset_list::get_list): New function.
4481         (Got offset_list::for_all_got_offsets): New function.
4482         (Sized_relobj::local_got_offset_list): New function.
4483         * powerpc.cc (Target_powerpc::got_size): Add const.
4484         (Target_powerpc::got_entry_count): New function.
4485         (Target_powerpc::plt_entry_count): New function.
4486         (Target_powerpc::first_plt_entry_offset): New function.
4487         (Target_powerpc::plt_entry_size): New function.
4488         (Output_data_plt_powerpc::entry_count): New function.
4489         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4490         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4491         * sparc.cc (Target_sparc::got_size): Add const.
4492         (Target_sparc::got_entry_count): New function.
4493         (Target_sparc::plt_entry_count): New function.
4494         (Target_sparc::first_plt_entry_offset): New function.
4495         (Target_sparc::plt_entry_size): New function.
4496         (Output_data_plt_sparc::entry_count): New function.
4497         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4498         (Output_data_plt_sparc::get_plt_entry_size): New function.
4499         * symtab.h (Symbol::got_offset_list): New function.
4500         (Symbol_table::for_all_symbols): New function.
4501         * target.h (Sized_target::got_entry_count): New function.
4502         (Sized_target::plt_entry_count): New function.
4503         (Sized_target::plt_entry_size): New function.
4504         * x86_64.cc (Target_x86_64::got_size): Add const.
4505         (Target_x86_64::got_entry_count): New function.
4506         (Target_x86_64::plt_entry_count): New function.
4507         (Target_x86_64::first_plt_entry_offset): New function.
4508         (Target_x86_64::plt_entry_size): New function.
4509         (Output_data_plt_x86_64::entry_count): New function.
4510         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4511         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4512
4513 2010-08-12  Cary Coutant  <ccoutant@google.com>
4514
4515         * archive.cc: Include incremental.h.
4516         (Archive::Archive): Initialize incremental_info_.
4517         (Archive::include_member): Record archive members in incremental info.
4518         (Add_archive_symbols::run): Record begin and end of an archive in
4519         incremental info.
4520         (Lib_group::include_member): Record objects in incremental info.
4521         * archive.h (Incremental_archive_entry): Forward declaration.
4522         (Archive::set_incremental_info): New member function.
4523         (Archive::incremental_info): New member function.
4524         (Archive::Unused_symbol_iterator): New class.
4525         (Archive::unused_symbols_begin): New member function.
4526         (Archive::unused_symbols_end): New member function.
4527         (Archive::incremental_info_): New data member.
4528         * incremental-dump.cc (find_input_containing_global): New function.
4529         (dump_incremental_inputs): Dump new incremental info sections.
4530         * incremental.cc: Include symtab.h.
4531         (Output_section_incremental_inputs): New class.
4532         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4533         new incremental info sections.
4534         (Sized_incremental_binary::do_check_inputs): Likewise.
4535         (Incremental_inputs::report_archive): Remove.
4536         (Incremental_inputs::report_archive_begin): New function.
4537         (Incremental_inputs::report_archive_end): New function.
4538         (Incremental_inputs::report_object): New function.
4539         (Incremental_inputs::finalize_inputs): Remove.
4540         (Incremental_inputs::report_input_section): New function.
4541         (Incremental_inputs::report_script): Rewrite.
4542         (Incremental_inputs::finalize): Do nothing but finalize string table.
4543         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4544         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4545         (Incremental_inputs::create_data_sections): New function.
4546         (Incremental_inputs::relocs_entsize): New function.
4547         (Output_section_incremental_inputs::set_final_data_size): New function.
4548         (Output_section_incremental_inputs::do_write): New function.
4549         (Output_section_incremental_inputs::write_header): New function.
4550         (Output_section_incremental_inputs::write_input_files): New function.
4551         (Output_section_incremental_inputs::write_info_blocks): New function.
4552         (Output_section_incremental_inputs::write_symtab): New function.
4553         * incremental.h (Incremental_script_entry): Forward declaration.
4554         (Incremental_object_entry): Forward declaration.
4555         (Incremental_archive_entry): Forward declaration.
4556         (Incremental_inputs): Forward declaration.
4557         (Incremental_inputs_header_data): Remove.
4558         (Incremental_inputs_header): Remove.
4559         (Incremental_inputs_header_write): Remove.
4560         (Incremental_inputs_entry_data): Remove.
4561         (Incremental_inputs_entry): Remove.
4562         (Incremental_inputs_entry_write): Remove.
4563         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4564         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4565         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4566         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4567         Likewise.
4568         (Incremental_input_entry): New class.
4569         (Incremental_script_entry): New class.
4570         (Incremental_object_entry): New class.
4571         (Incremental_archive_entry): New class.
4572         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4573         (Incremental_inputs::report_inputs): Remove.
4574         (Incremental_inputs::report_archive): Remove.
4575         (Incremental_inputs::report_archive_begin): New function.
4576         (Incremental_inputs::report_archive_end): New function.
4577         (Incremental_inputs::report_object): Change prototype.
4578         (Incremental_inputs::report_input_section): New function.
4579         (Incremental_inputs::report_script): Change prototype.
4580         (Incremental_inputs::get_reloc_count): New function.
4581         (Incremental_inputs::set_reloc_count): New function.
4582         (Incremental_inputs::create_data_sections): New function.
4583         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4584         (Incremental_inputs::inputs_section): New function.
4585         (Incremental_inputs::symtab_section): New function.
4586         (Incremental_inputs::relocs_section): New function.
4587         (Incremental_inputs::get_stringpool): Add const.
4588         (Incremental_inputs::command_line): Add const.
4589         (Incremental_inputs::inputs): Remove.
4590         (Incremental_inputs::command_line_key): New function.
4591         (Incremental_inputs::input_file_count): New function.
4592         (Incremental_inputs::input_files): New function.
4593         (Incremental_inputs::relocs_entsize): New function.
4594         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4595         (Incremental_inputs::finalize_inputs): Remove.
4596         (Incremental_inputs::Input_info): Remove.
4597         (Incremental_inputs::lock_): Remove.
4598         (Incremental_inputs::inputs_): Change type.
4599         (Incremental_inputs::inputs_map_): Remove.
4600         (Incremental_inputs::current_object_entry_): New data member.
4601         (Incremental_inputs::inputs_section_): New data member.
4602         (Incremental_inputs::symtab_section_): New data member.
4603         (Incremental_inputs::relocs_section_): New data member.
4604         (Incremental_inputs::reloc_count_): New data member.
4605         (Incremental_inputs_reader): New class.
4606         (Incremental_symtab_reader): New class.
4607         (Incremental_relocs_reader): New class.
4608         * layout.cc (Layout::finalize): Move finalization of incremental info
4609         and creation of incremental info sections to follow finalization of
4610         symbol table.  Set offsets for postprocessing sections.
4611         (Layout::create_incremental_info_sections): Call
4612         Incremental_inputs::create_data_sections.  Add incremental symtab
4613         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4614         sections to layout after input sections.
4615         * layout.h (struct Timespec): Forward declaration.
4616         (Layout::incremental_inputs): Add const.
4617         (Layout::create_incremental_info_sections): Add parameter.
4618         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4619         * object.cc: Include incremental.h.
4620         (Relobj::finalize_incremental_relocs): New function.
4621         (Sized_relobj::do_layout): Record input sections in incremental info.
4622         * object.h (Object::output_section): New function.
4623         (Object::output_section_offset): Moved from Relobj.
4624         (Object::get_incremental_reloc_base): New function.
4625         (Object::get_incremental_reloc_count): New function.
4626         (Object::do_output_section): New function.
4627         (Object::do_output_section_offset): Moved from Relobj.
4628         (Object::do_get_incremental_reloc_base): New function.
4629         (Object::do_get_incremental_reloc_count): New function.
4630         (Object::Object): Initialize new data members.
4631         (Relobj::output_section): Renamed do_output_section and moved to
4632         protected.
4633         (Relobj::output_section_offset): Moved to Object.
4634         (Relobj::do_get_incremental_reloc_base): New function.
4635         (Relobj::do_get_incremental_reloc_count): New function.
4636         (Relobj::allocate_incremental_reloc_counts): New function.
4637         (Relobj::count_incremental_reloc): New function.
4638         (Relobj::finalize_incremental_relocs): New function.
4639         (Relobj::next_incremental_reloc_index): New function.
4640         (Relobj::reloc_counts_): New data member.
4641         (Relobj::reloc_bases_): New data member.
4642         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4643         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4644         (Sized_relobj::incremental_relocs_scan): New function.
4645         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4646         (Sized_relobj::incremental_relocs_write): New function.
4647         (Sized_relobj::incremental_relocs_write_reltype): New function.
4648         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4649         incremental link.
4650         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4651         archives and object files elsewhere.
4652         (Add_symbols::run): Report object files here.
4653         (Finish_group::run): Report end of archive at end of group.
4654         * reloc.cc: Include layout.h, incremental.h.
4655         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4656         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4657         (Sized_relobj::incremental_relocs_scan): New function.
4658         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4659         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4660         (Sized_relobj::incremental_relocs_write): New function.
4661         (Sized_relobj::incremental_relocs_write_reltype): New function.
4662         * script.cc (read_input_script): Rewrite test for incremental link.
4663         Change call to Incremental_inputs::report_script.
4664         * symtab.h (Symbol_table::first_global_index): New function.
4665         (Symbol_table::output_count): New function.
4666
4667 2010-08-12  Doug Kwan  <dougkwan@google.com>
4668
4669         * arm.cc (Target_arm::merge_object_attributes): Check command line
4670         options --no-wchar-size-warning and --no-enum-size-warning.
4671         * options.h (General_options): Add ld-compatible options
4672         --no-enum-size-warning and --no-wchar-size-warning.
4673
4674 2010-08-04  Ian Lance Taylor  <iant@google.com>
4675
4676         * x86_64.cc (Target_x86_64::Scan::local): Use
4677         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4678         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4679         (Target_x86_64::Scan::global): Likewise.
4680         (Target_x86_64::Relocate::relocate): Likewise.
4681         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4682         Likewise.
4683
4684 2010-08-03  Cary Coutant  <ccoutant@google.com>
4685
4686         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4687         to reserve space in merged_strings vector. Keep total input size
4688         for stats.
4689         (Output_merge_string::do_print_merge_stats): Print total input size.
4690         * merge.h (Output_merge_string): Add input_size_ field.
4691         * stringpool.cc (Stringpool_template::string_length): Move
4692         implementations out of Stringpool_template class and place in
4693         stringpool.h.
4694         * stringpool.h (string_length): Move out of Stringpool_template.
4695
4696 2010-08-03  Ian Lance Taylor  <iant@google.com>
4697
4698         PR 11712
4699         * layout.cc (relaxation_loop_body): If address of load segment is
4700         set, adjust address to include headers if possible.
4701
4702 2010-08-03  Ian Lance Taylor  <iant@google.com>
4703
4704         * version.cc (version_string): Bump to 1.10.
4705
4706 2010-08-03  Ian Lance Taylor  <iant@google.com>
4707
4708         PR 11805
4709         * layout.h (enum Output_section_order): Define.
4710         (class Layout): Update declarations.
4711         * layout.cc (Layout::get_output_section): Add order parameter.
4712         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4713         is_first_non_relro parameters.  Change all callers.
4714         (Layout::choose_output_section): Likewise.
4715         (Layout::add_output_section_data): Likewise.
4716         (Layout::make_output_section): Likewise.  Set order.
4717         (Layout::default_section_order): New function.
4718         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4719         * output.cc (Output_section::Output_section): Initialize order_.
4720         Don't initialize deleted fields.
4721         (Output_segment::Output_segment): Don't initialize deleted
4722         fields.
4723         (Output_segment::add_output_section_to_load): New function
4724         replacing add_output_section.  Change all callers to call this or
4725         add_output_section_to_nonload.
4726         (Output_segment::add_output_section_to_nonload): New function.
4727         (Output_segment::remove_output_section): Rewrite.
4728         (Output_segment::add_initial_output_data): Likewise.
4729         (Output_segment::has_any_data_sections): Likewise.
4730         (Output_segment::is_first_section_relro): Likewise.
4731         (Output_segment::maximum_alignment): Likewise.
4732         (Output_segment::has_dynamic_reloc): New function replacing
4733         dynamic_reloc_count.  Change all callers.
4734         (Output_segment::has_dynamic_reloc_list): New function replacing
4735         dynamic_reloc_count_list.  Change all callers.
4736         (Output_segment::set_section_addresses): Rewrite.
4737         (Output_segment::set_offset): Rewrite.
4738         (Output_segment::find_first_and_last_list): Remove.
4739         (Output_segment::set_tls_offsets): Rewrite.
4740         (Output_segment::first_section_load_address): Likewise.
4741         (Output_segment::output_section_count): Likewise.
4742         (Output_segment::section_with_lowest_load_address): Likewise.
4743         (Output_segment::write_section_headers): Likewise.
4744         (Output_segment::print_sections_to_map): Likewise.
4745         * output.h (class Output_data): Remove dynamic_reloc_count_
4746         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4747         (Output_data::add_dynamic_reloc): Rewrite.
4748         (Output_data::has_dynamic_reloc): New function.
4749         (Output_data::dynamic_reloc_count): Remove.
4750         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4751         is_last_relro_, is_first_non_relro_, is_interp_,
4752         is_dynamic_linker_section_ fields.  Add order and set_order
4753         functions.  Remove is_relro_local, set_is_relro_local,
4754         is_last_relro, set_is_last_relro, is_first_non_relro,
4755         set_is_first_non_relro functions, is_interp, set_is_interp,
4756         is_dynamic_linker_section, and set_is_dynamic_linker_section
4757         functions.
4758         (class Output_segment): Change Output_data_list from std::list to
4759         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4760         output_bss_ fields.  Update declarations.
4761
4762 2010-08-02  Ian Lance Taylor  <iant@google.com>
4763
4764         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4765         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4766         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4767
4768 2010-08-02  Ian Lance Taylor  <iant@google.com>
4769
4770         PR 11855
4771         * script.cc (Script_options::Script_options): Initialize
4772         symbol_definitions_ and symbol_references_.
4773         (Script_options::add_symbol_assignment): Update
4774         symbol_definitions_ and symbol_references_.
4775         (Script_options::add_symbol_reference): New function.
4776         (script_symbol): New function.
4777         * script.h (class Script_options): Add symbol_definitions_ and
4778         symbol_references_ fields.
4779         (Script_options::referenced_const_iterator): New type.
4780         (Script_options::referenced_begin): New function.
4781         (Script_options::referenced_end): New function.
4782         (Script_options::is_referenced): New function.
4783         (Script_options::any_unreferenced): New function.
4784         * script-c.h (script_symbol): Declare.
4785         * yyscript.y (exp): Call script_symbol.
4786         * symtab.cc: Include "script.h".
4787         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4788         Change all callers.  Check symbols referenced by scripts.
4789         (Symbol_table::add_undefined_symbols_from_command_line): Add
4790         layout parameter.  Change all callers.
4791         (Symbol_table::do_add_undefined_symbols_from_command_line):
4792         Likewise.  Break out loop body.  Check symbols referenced by
4793         scripts.
4794         (Symbol_table::add_undefined_symbol_from_command_line): New
4795         function broken out of
4796         do_add_undefined_symbols_from_command_line.
4797         * symtab.h (class Symbol_table): Update declarations.
4798         * archive.cc: Include "layout.h".
4799         (Archive::should_include_member): Add layout parameter.  Change
4800         all callers.  Check for symbol mentioned in expression.
4801         * archive.h (class Archive): Update declaration.
4802         * object.cc (Sized_relobj::do_should_include_member): Add layout
4803         parameter.
4804         * object.h (Object::should_include_member): Add layout parameter.
4805         Change all callers.
4806         (Object::do_should_include_member): Add layout parameter.
4807         (class Sized_relobj): Update declaration.
4808         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4809         parameter.
4810         * dynobj.h (class Sized_dynobj): Update declaration.
4811         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4812         layout parameter.
4813         * plugin.h (class Sized_pluginobj): Update declaration.
4814
4815 2010-08-02  Ian Lance Taylor  <iant@google.com>
4816
4817         PR 11866
4818         * output.cc (Output_segment::set_offset): Search for the first and
4819         last sections rather than assuming that the list is in order.
4820         (Output_segment::find_first_and_last_list): New function.
4821         * output.h (class Output_segment): Update declarations.
4822         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4823         (relro_strip_test_SOURCES): New variable.
4824         (relro_strip_test_DEPENDENCIES): New variable.
4825         (relro_strip_test_LDFLAGS): New variable.
4826         (relro_strip_test_LDADD): New variable.
4827         (relro_strip_test.so): New target.
4828
4829 2010-08-02  Ian Lance Taylor  <iant@google.com>
4830
4831         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4832         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4833         (Target_i386::got_tlsdesc_section): New function.
4834         (Target_i386::got_section): Create space for GOT entries for
4835         TLSDESC relocations.
4836         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4837         R_386_TLS_GOTDESC.
4838         (Target_i386::Scan::global): Likewise.
4839         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4840         using TLSDESC GOT.
4841         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4842         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4843         (Target_x86_64::got_tlsdesc_section): New function.
4844         (Target_x86_64::got_section): Create space for GOT entries for
4845         TLSDESC relocations.
4846         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4847         R_386_TLS_GOTDESC.
4848         (Target_x86_64::Scan::global): Likewise.
4849         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4850         using TLSDESC GOT.
4851
4852 2010-08-02  Ian Lance Taylor  <iant@google.com>
4853
4854         * testsuite/final_layout.sh: Use dc to convert from hex to
4855         decimal.
4856
4857 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4858
4859         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4860         paramter to the call to gold::gc_process_relocs.
4861         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4862         paramter to the call to gold::gc_process_relocs.
4863         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4864         parameter to the call to gold::gc_process_relocs.
4865         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4866         template parameter to the call to gold::gc_process_relocs.
4867         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4868         paramter to the call to gold::gc_process_relocs.
4869         * gc.h (get_embedded_addend_size): New function.
4870         (gc_process_relocs): Save the size of the reloc for use by ICF.
4871         * icf.cc (get_section_contents): Get the addend from the text section
4872         for SHT_REL relocation sections.
4873         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4874         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4875         * int_encoding.h (read_from_pointer): New overloaded function.
4876         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4877         * testsuite/icf_sht_rel_addend_test.sh: New file.
4878         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4879         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4880
4881 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4882
4883         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4884         * Makefile.in: Regenerate.
4885         * testsuite/Makefile.in: Regenerate.
4886
4887 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4888
4889         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4890         * gold/testsuite/debug_msg.cc: Likewise.
4891         * gold/testsuite/odr_violation1.cc
4892         * gold/testsuite/odr_violation2.cc
4893
4894 2010-07-21  Cary Coutant  <ccoutant@google.com>
4895
4896         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4897         string, and length fields.
4898         (Output_merge_string::Merged_strings_list): New type.
4899         (Output_merge_string::Merged_strings_lists): New typedef.
4900         (Output_merge_string): Replace merged_strings_ with
4901         merged_strings_lists_.
4902         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4903         Merged_strings_list per input object and section.  Don't store pointer
4904         to the string.  Don't store length with each merged string entry.
4905         (Output_merge_string::finalize_merged_data): Loop over list of merged
4906         strings lists.  Recompute length of each merged string.
4907
4908 2010-07-15  Cary Coutant  <ccoutant@google.com>
4909
4910         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4911         here.
4912
4913 2010-07-14  Ian Lance Taylor  <iant@google.com>
4914
4915         * descriptors.cc (Descriptors::open): Report correct name in error
4916         message.
4917
4918 2010-07-13  Doug Kwan  <dougkwan@google.com>
4919
4920         * arm.cc (Arm_input_section::Arm_input_section): For a
4921         SHT_ARM_EXIDX section, always keeps the input sections.
4922         (Arm_input_section::set_exidx_section_link): New method.
4923         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4924         has_errors_ to false.
4925         (Arm_exidx_input_section::has_errors,
4926         Arm_exidx_input_section::set_has_errors): New methods.
4927         (Arm_exidx_input_section::has_errors_): New data member.
4928         (Arm_relobj::get_exidx_shndx_list): New method.
4929         (Arm_output_section::append_text_sections_to_list): Do not skip
4930         section without SHF_EXECINSTR.
4931         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4932         errors.
4933         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4934         section header.  Make error messages more verbose.  Check for
4935         a non-executable section linked to an EXIDX section.
4936         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4937         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4938         check that there is no deferred EXIDX section if we exit early.
4939         Instead of not making an EXIDX section in case of an error, make one
4940         and set the has_errors flag of it.
4941         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4942         in a relocatable link.
4943         (Target_arm::do_relax): Look for the EXIDX output section instead of
4944         assuming that it is called .ARM.exidx.
4945         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4946         section list.  Do not check for SHF_EXECINSTR section flags but
4947         skip any input section with errors.
4948         * output.cc (Output_section::Output_section): Initialize
4949         always_keeps_input_sections_ to false.
4950         (Output_section::add_input_section): Check for
4951         always_keeps_input_sections_.
4952         *  output.h (Output_section::always_keeps_input_sections,
4953         Output_section::set_always_keeps_input_sections): New methods.
4954         (Output_section::always_keeps_input_sections): New data member.
4955
4956 2010-07-13  Rafael Espindola  <espindola@google.com>
4957
4958         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4959         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4960
4961 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4962             Ian Lance Taylor  <iant@google.com>
4963
4964         * output.h (Output_section_lookup_maps::add_merge_section):
4965         Correct check of whether value was inserted.
4966         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4967         (Output_section_lookup_maps::add_relaxed_input_section):
4968         Likewise.
4969         * arm.cc (Target_arm::got_section): Remove used local os.
4970         * i386.cc (Target_i386::got_section): Likewise.
4971         * x86_64.cc (Target_x86_64::got_section): Likewise.
4972         * sparc.cc (Target_sparc::got_section): Likewise.
4973         (Target_sparc::relocate): Remove unused local have_got_offset.
4974         * powerpc.cc (Target_powerpc::relocate): Likewise.
4975
4976 2010-07-13  Ian Lance Taylor  <iant@google.com>
4977
4978         * compressed_output.cc (zlib_decompress): Fix signature in
4979         !HAVE_ZLIB_H case.
4980
4981         * archive.cc (Archive::include_member): Unlock an external member
4982         of a thin archive.  Don't bother to delete an object we know is
4983         NULL.
4984
4985 2010-07-12  Cary Coutant  <ccoutant@google.com>
4986
4987         * compressed_output.cc (zlib_decompress): New function.
4988         (get_uncompressed_size): New function.
4989         (decompress_input_section): New function.
4990         * compressed_output.h (get_uncompressed_size): New function.
4991         (decompress_input_section): New function.
4992         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4993         Handle compressed debug sections.
4994         * layout.cc (is_compressed_debug_section): New function.
4995         (Layout::output_section_name): Map compressed section names to
4996         canonical names.
4997         * layout.h (is_compressed_debug_section): New function.
4998         (is_debug_info_section): Recognize compressed debug sections.
4999         * merge.cc: Include compressed_output.h.
5000         (Output_merge_data::do_add_input_section): Handle compressed
5001         debug sections.
5002         (Output_merge_string::do_add_input_section): Handle compressed
5003         debug sections.
5004         * object.cc: Include compressed_output.h.
5005         (Sized_relobj::Sized_relobj): Initialize new data members.
5006         (build_compressed_section_map): New function.
5007         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5008         * object.h (Object::section_is_compressed): New method.
5009         (Object::do_section_is_compressed): New method.
5010         (Sized_relobj::Compressed_section_map): New type.
5011         (Sized_relobj::do_section_is_compressed): New method.
5012         (Sized_relobj::compressed_sections_): New data member.
5013         * output.cc (Output_section::add_input_section): Handle compressed
5014         debug sections.
5015         * reloc.cc: Include compressed_output.h.
5016         (Sized_relobj::write_sections): Handle compressed debug sections.
5017
5018 2010-07-08  Cary Coutant  <ccoutant@google.com>
5019
5020         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5021         weak when resolving to a dynamic def.
5022         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5023         for weak undef/dynamic def cases. Adjust callers.
5024         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5025         undef_binding_weak_.
5026         (Symbol_table::sized_write_globals): Adjust symbol binding.
5027         (Symbol_table::sized_write_symbol): Add binding parameter.
5028         * symtab.h (Symbol::set_undef_binding): New method.
5029         (Symbol::is_undef_binding_weak): New method.
5030         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5031         (Symbol_table::should_override): Add new parameter.
5032         (Symbol_table::sized_write_symbol): Add new parameter.
5033
5034         * testsuite/weak_undef_file1.cc: Add new test case.
5035         * testsuite/weak_undef_file2.cc: Fix header comment.
5036         * testsuite/weak_undef_test.cc: Add new test case.
5037
5038 2010-06-29  Doug Kwan  <dougkwan@google.com>
5039
5040         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5041         Initialize USE_SYMBOL_.
5042         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5043         definition.
5044         (Arm_reloc_property::uses_symbol_): New data member declaration.
5045         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5046         uses symbol value and symbol is undefined but not weakly undefined.
5047
5048 2010-06-28  Rafael Espindola  <espindola@google.com>
5049
5050         * plugin.cc (Plugin::load): Use dlerror.
5051
5052 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5053
5054         * symtab.cc (detect_odr_violations): When reporting an ODR
5055         violation, report an object where the symbol is defined.
5056
5057 2010-06-25  Doug Kwan  <dougkwan@google.com>
5058
5059         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5060         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5061         definition.
5062         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5063         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5064         target hook to detect function points.
5065         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5066         * icf.h (Icf::check_section_for_function_pointers): Change type of
5067         parameter SECTION_NAME to const reference to std::string.  Use
5068         target hook to determine if section may have unsafe pointers.
5069         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5070         method definition.
5071
5072 2010-06-21  Rafael Espindola  <espindola@google.com>
5073
5074         * fileread.cc (Input_file::find_fie): New
5075         (Input_file::open): Use Input_file::find_fie.
5076         * fileread.h (Input_file::find_fie): New
5077         * plugin.cc (set_extra_library_path): New.
5078         (Plugin::load): Add set_extra_library_path to the transfer vector.
5079         (Plugin_manager::set_extra_library_path): New.
5080         (Plugin_manager::add_input_file): Use the extra search path if set.
5081         (set_extra_library_path(): New.
5082         * plugin.h (Plugin_manager): Add set_extra_library_path and
5083         extra_search_path_.
5084
5085 2010-06-19  Cary Coutant  <ccoutant@google.com>
5086
5087         * layout.cc (gdb_sections): Add .debug_types.
5088         (lines_only_debug_sections): Likewise.
5089
5090 2010-06-18  Rafael Espindola  <espindola@google.com>
5091
5092         * plugin.cc (add_input_file,add_input_library)
5093         (Plugin_manager::add_input_file): Make filename arguments const.
5094         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5095         const.
5096
5097 2010-06-16  Doug Kwan  <dougkwan@google.com>
5098
5099         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5100         .ARM.attributes section if we have not merged any input
5101         attributes sections.
5102
5103 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5104
5105         * arm.cc: Allow combining objects with no EABI version
5106         information.
5107
5108 2010-06-15  Rafael Espindola  <espindola@google.com>
5109
5110         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5111
5112 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5113
5114         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5115         (struct iovec): Correct !HAVE_READV definition.
5116
5117 2010-06-10  Cary Coutant  <ccoutant@google.com>
5118
5119         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5120         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5121         reloc sections.
5122         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5123
5124         PR 11683
5125         * symtab.h (Symbol::is_placeholder): New member function.
5126         * target-reloc.h (relocate_section): Check for placeholder symbols.
5127
5128         * testsuite/Makefile.am (plugin_test_8): New test.
5129         (plugin_test_9): New test.
5130         * testsuite/Makefile.in: Regenerate.
5131
5132 2010-06-09  Nick Clifton  <nickc@redhat.com>
5133
5134         * yyscript.y (input_list_element): Allow strings prefixed with
5135         the '-' character.  Treat these as libraries.
5136         * script.cc (script_add_library): New function.  Adds a library
5137         specified by "-l<name>" found in an input script.
5138         * script-c.h: Add prototype for script_add_library.
5139
5140 2010-06-07  Doug Kwan  <dougkwan@google.com>
5141
5142         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5143         Restrict stub-group size to be within long conditional branch
5144         range when working around cortex-A8 erratum.
5145
5146 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5147
5148         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5149         #ifdef typo.
5150
5151 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5152
5153         PR gold/11658
5154         * output.cc
5155         (Output_section::Input_section_sort_entry::compare_section_ordering):
5156         Change to return non-zero correctly.
5157         (Output_section::Input_section_sort_section_order_index_compare
5158         ::operator()): Change to fix ambiguity in comparisons.
5159
5160 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5161
5162         * gold.h (is_wildcard_string): New function.
5163         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5164         (Layout::layout_eh_frame): Ditto.
5165         (Layout::find_section_order_index): New method.
5166         (Layout::read_layout_from_file): New method.
5167         * layout.h (Layout::find_section_order_index): New method.
5168         (Layout::read_layout_from_file): New method.
5169         (Layout::input_section_position_): New private member.
5170         (Layout::input_section_glob_): New private member.
5171         * main.cc (main): Call read_layout_from_file here.
5172         * options.h (--section-ordering-file): New option.
5173         * output.cc (Output_section::input_section_order_specified_): New
5174         member.
5175         (Output_section::Output_section): Initialize new member.
5176         (Output_section::add_input_section): Add new parameter.
5177         Keep input sections when --section-ordering-file is used.
5178         (Output_section::set_final_data_size): Sort input sections when
5179         section ordering file is specified.
5180         (Output_section::Input_section_sort_entry): Add new parameter.
5181         Check sorting type.
5182         (Output_section::Input_section_sort_entry::compare_section_ordering):
5183         New method.
5184         (Output_section::Input_section_sort_compare::operator()): Change to
5185         consider section_order_index.
5186         (Output_section::Input_section_sort_init_fini_compare::operator()):
5187         Change to consider section_order_index.
5188         (Output_section::Input_section_sort_section_order_index_compare
5189         ::operator()): New method.
5190         (Output_section::sort_attached_input_sections): Change to sort
5191         according to section order when specified.
5192         (Output_section::add_input_section<32, true>): Add new parameter.
5193         (Output_section::add_input_section<64, true>): Add new parameter.
5194         (Output_section::add_input_section<32, false>): Add new parameter.
5195         (Output_section::add_input_section<64, false>): Add new parameter.
5196         * output.h (Output_section::add_input_section): Add new parameter.
5197         (Output_section::input_section_order_specified): New
5198         method.
5199         (Output_section::set_input_section_order_specified): New method.
5200         (Input_section::Input_section): Initialize section_order_index_.
5201         (Input_section::section_order_index): New method.
5202         (Input_section::set_section_order_index): New method.
5203         (Input_section::section_order_index_): New member.
5204         (Input_section::Input_section_sort_section_order_index_compare): New
5205         struct.
5206         (Output_section::input_section_order_specified_): New member.
5207         * script-sections.cc (is_wildcard_string): Delete and move modified
5208         method to gold.h.
5209         (Output_section_element_input::Output_section_element_input): Modify
5210         call to is_wildcard_string.
5211         (Output_section_element_input::Input_section_pattern
5212         ::Input_section_pattern): Ditto.
5213         (Output_section_element_input::Output_section_element_input): Ditto.
5214         * testsuite/Makefile.am (final_layout): New test case.
5215         * testsuite/Makefile.in: Regenerate.
5216         * testsuite/final_layout.cc: New file.
5217         * testsuite/final_layout.sh: New file.
5218
5219 2010-06-01  Rafael Espindola  <espindola@google.com>
5220
5221         * plugin.cc (Plugin::load): Pass the output name to the plugin.
5222
5223 2010-06-01  Rafael Espindola  <espindola@google.com>
5224
5225         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
5226         visibility of symbols.
5227
5228 2010-05-27  Doug Kwan  <dougkwan@google.com>
5229
5230         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
5231         from start of output section instead of address for a local symbol
5232         in a merged or relaxed section when doing a relocatable link.
5233
5234 2010-05-26  Rafael Espindola  <espindola@google.com>
5235
5236        PR 11604
5237         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5238         adding sections the garbage collector removed.
5239         * gold/testsuite/Makefile.am: Add test.
5240         * gold/testsuite/Makefile.in: Regenerate.
5241         * gold/testsuite/plugin_test_7.sh: New.
5242         * gold/testsuite/plugin_test_7_1.c: New.
5243         * gold/testsuite/plugin_test_7_2.c: New.
5244
5245 2010-05-26  Rafael Espindola  <espindola@google.com>
5246
5247         * script-sections.cc (Output_section_definition::set_section_addresses):
5248         Check for --section-start.
5249
5250 2010-05-26  Doug Kwan  <dougkwan@google.com>
5251
5252         * arm.cc (Arm_scan_relocatable_relocs): New class.
5253         (Target_arm::relocate_special_relocatable): New method.
5254         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5255         (Arm_relocate_functions::thumb_branch_common): Same.
5256         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5257         instead of Default_scan_relocatable_relocs.
5258         * target-reloc.h (relocate_for_relocatable): Let target handle
5259         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5260         * target.h (Sized_target::relocate_special_relocatable): New method.
5261
5262 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5263
5264         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5265
5266 2010-05-23  Doug Kwan  <dougkwan@google.com>
5267
5268         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5269         instead of a cast.
5270         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5271         with a direct branch, not a conditional branch, to a stub.
5272         * merge.cc (Output_merge_base::record_input_section): New method
5273         defintion.
5274         (Output_merge_data::do_add_input_section): Record input section if
5275         keeps-input-sections flag is set.
5276         (Output_merge_string::do_add_input_section): Ditto.
5277         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
5278         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
5279         INPUT_SECTIONS_.
5280         (Output_merge_base::keeps_input_sections,
5281         Output_merge_base::set_keeps_input_sections,
5282         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
5283         method definitions.
5284         (Output_merge_base::Input_sections): New type declaration.
5285         (Output_merge_base::input_sections_begin,
5286         Output_merge_base::input_sections_end,
5287         Output_merge_base::do_set_keeps_input_sections): New method definitions.
5288         (Output_merge_base::bool keeps_input_sections_,
5289         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
5290         Output_merge_base::input_sections_): New data members.
5291         (Output_merge_data::do_set_keeps_input_sections): New method
5292         defintion.
5293         (Output_merge_string::do_set_keeps_input_sections): Ditto.
5294         * output.cc (Output_section::Input_section::relobj): Move method
5295         defintion from class declaration to here and handle merge sections.
5296         (Output_section::Input_section::shndx): Ditto.
5297         (Output_section::Output_section): Remove initializations of removed
5298         data members and initialize new data member LOOKUP_MAPS_.
5299         (Output_section::add_input_section): Set keeps-input-sections flag
5300         for a newly created merge output section as appropriate.  Adjust code
5301         to use Output_section_lookup_maps class.
5302         (Output_section::add_relaxed_input_section): Adjst code for lookup
5303         maps code refactoring.
5304         (Output_section::add_merge_input_section): Add a new parameter
5305         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5306         class.  If adding input section to a newly created merge output
5307         section fails, remove the new merge section.
5308         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5309         Adjust code for use of the Output_section_lookup_maps class.
5310         (Output_section::find_merge_section): Ditto.
5311         (Output_section::build_lookup_maps): New method defintion.
5312         (Output_section::find_relaxed_input_section): Adjust code to use
5313         Output_section_lookup_maps class.
5314         (Output_section::get_input_sections): Export merge sections.  Adjust
5315         code to use Output_section_lookup_maps class.
5316         (Output_section:::add_script_input_section): Adjust code to use
5317         Output_section_lookup_maps class.  Update lookup maps for merge
5318         sections also.
5319         (Output_section::discard_states): Use Output_section_lookup_maps.
5320         (Output_section::restore_states): Same.
5321         * output.h (Merge_section_properties): Move class defintion out of
5322         Output_section.
5323         (Output_section_lookup_maps): New class.
5324         (Output_section::Input_section::is_merge_section): New method
5325         defintion.
5326         (Output_section::Input_section::relobj): Move defintion out of class
5327         defintion.  Declare method only.
5328         (Output_section::Input_section::shndx): Ditto.
5329         (Output_section::Input_section::output_merge_base): New method defintion.
5330         (Output_section::Input_section::u2_.pomb): New union field.
5331         (Output_section::Merge_section_by_properties_map,
5332         Output_section::Output_section_data_by_input_section_map,
5333         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5334         Remove types.
5335         (Output_section::add_merge_input_section): Add new parameter
5336         KEEPS_INPUT_SECTIONS.
5337         (Output_section::build_lookup_maps): New method declaration.
5338         (Output_section::merge_section_map_,
5339         Output_section::merge_section_by_properties_map_,
5340         Output_section::relaxed_input_section_map_,
5341         Output_section::is_relaxed_input_section_map_valid_): Remove data
5342         members.
5343         (Output_section::lookup_maps_): New data member.
5344
5345 2010-05-21  Doug Kwan  <dougkwan@google.com>
5346
5347         PR gold/11619
5348         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5349         avoid a compilation error.
5350
5351 2010-05-19  Rafael Espindola  <espindola@google.com>
5352
5353         * script-sections.cc (Output_section_definition::allocate_to_segment):
5354         Update the phdrs_list even when the output section is NULL.
5355         * testsuite/Makefile.am: Add test.
5356         * testsuite/Makefile.in: Regenerate.
5357         * testsuite/script_test_9.cc: New.
5358         * testsuite/script_test_9.sh: New.
5359         * testsuite/script_test_9.t: New.
5360
5361 2010-05-19  Doug Kwan  <dougkwan@google.com>
5362
5363         * arm.cc (Arm_input_section::original_size): New method.
5364         (Arm_input_section::do_addralign): Add a cast.
5365         (Arm_input_section::do_output_offset): Remove static cast.
5366         (Arm_input_section::original_addralign,
5367          Arm_input_section::original_size_): Change type to uint32_t.
5368         (Arm_input_section::init): Add safe casts for section alignment
5369         and size.
5370         (Arm_input_section::set_final_data_size): Do not set address and
5371         offset of stub table.
5372         (Arm_output_section::fix_exidx_coverage): Change use of of
5373         Output_section::Simple_input_section to that of
5374         Output_section::Input_section.
5375         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5376         except for the first pass.
5377         * output.cc (Output_section::get_input_sections): Change type of
5378         input_sections to std::list<Input_section>.
5379         (Output_section::add_script_input_section): Rename from
5380         Output_section::add_simple_input_section.  Change type of SIS
5381         parameter from Simple_input_section to Input_section.
5382         * output.h (Output_section::Simple_input_section): Remove class.
5383         (Output_section::Input_section): Change class visibility to public.
5384         (Output_section::Input_section::addralign): Use stored alignments
5385         for special input sections if set.
5386         (Output_section::Input_section::set_addralign): New method.
5387         (Output_section::get_input_sections): Change parameter type from
5388         list of Simple_input_section to list of Input_section.
5389         (Output_section::add_script_input_section): Rename from
5390         Output_section::add_simple_input_section. Change first parameter's
5391         type from Simple_input_section to Input_section and remove the
5392         second and third parameters.
5393         * script-sections.cc (Input_section::Input_section_list): Change
5394         type to list of Output_section::Input_section/
5395         (Input_section_info::Input_section_info): Change parameter type of
5396         INPUT_SECTION to Output_section::Input_section.
5397         (Input_section_info::input_section): Change return type.
5398         (Input_section_info::input_section_): Change type to
5399         Output_section::Input_section.
5400         (Output_section_element_input::set_section_addresses): Adjust code
5401         to use Output_section::Input_section instead of
5402         Output_section::Simple_input_section.  Adjust code for renaming
5403         of Output_section::add_simple_input_section.
5404         (Orphan_output_section::set_section_addresses): Ditto.
5405
5406 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5407
5408         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5409         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5410
5411 2010-05-18  Rafael Espindola  <espindola@google.com>
5412
5413         * options.cc (General_options::finalize): Handle -nostdlib.
5414         * options.h (nostdlib): New option.
5415         * script.cc (script_add_search_dir): Handle -nostdlib.
5416
5417 2010-05-12  Doug Kwan  <dougkwan@google.com>
5418
5419         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5420         attributes section only if there no attributes section after merging.
5421         (Target_arm::merge_object_attributes): Move value of
5422         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5423         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5424         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5425         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5426         and arm_attr_merge_7.stdout.
5427         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5428         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5429         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5430         arm_attr_merge_7b.o): New rules.
5431         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5432         arm_attr_merge_7
5433         * testsuite/Makefile.in: Regenerate.
5434         * testsuite/arm_attr_merge.sh: New file.
5435         * testsuite/arm_attr_merge_[67][ab].s: Same.
5436
5437 2010-05-05  Nick Clifton  <nickc@redhat.com>
5438
5439         * po/es.po: Updated Spanish translation.
5440
5441 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5442
5443         * Makefile.am (install-exec-local): Properly install gold as
5444         default cross linker.
5445         * Makefile.in: Regenerated.
5446
5447 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5448             Nick Clifton  <nickc@redhat.com>
5449
5450         * configure.ac (install_as_default): Define and set to false
5451         unless --enable-gold or --enable-gold=both/gold has been
5452         specified.
5453         * configure: Regenerate.
5454
5455         * Makefile.am (install-exec-local): Install the executable as
5456         'ld.gold'.  If install_as_default is true then also install it as
5457         'ld'.
5458         * Makefile.in: Regenerated.
5459
5460 2010-04-24  Ian Lance Taylor  <iant@google.com>
5461
5462         * layout.cc (Layout::layout_reloc): In relocatable link don't
5463         combine reloc sections for grouped sections.
5464
5465 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5466
5467         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5468         sections that are not ordinary to icf.
5469         * icf.cc (get_section_contents): Handle relocation pointing to section
5470         with no object or shndx information.
5471         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5472         * testsuite/Makefile.in: Regenerate.
5473         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5474         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5475
5476 2010-04-22  Ian Lance Taylor  <iant@google.com>
5477
5478         * expression.cc (Expression::Expression_eval_info): Add
5479         result_alignment_pointer field.
5480         (Expression::eval_with_dot): Add result_alignment_pointer
5481         parameter.  Change all callers.
5482         (Expression::eval_maybe_dot): Likewise.
5483         (class Binary_expression): Add alignment_pointer parameter to
5484         left_value and right_value.  Change all callers.
5485         (BINARY_EXPRESSION): Set result alignment.
5486         (class Trinary_expression): Add alignment_pointer parameter to
5487         arg2_value and arg3_value.  Change all callers.
5488         (Trinary_cond::value): Set result alignment.
5489         (Max_expression::value, Min_expression::value): Likewise.
5490         (Align_expression::value): Likewise.
5491         * script-sections.cc (class Sections_element): Add dot_alignment
5492         parameter to set_section_addresses virtual function.  Update
5493         instantiations.
5494         (class Output_section_element): Likewise.
5495         (Script_sections::create_segments): Add dot_alignment parameter.
5496         Change all callers.
5497         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5498         (Script_sections::set_phdrs_clause_addresses): Likewise.
5499         * script-sections.h: Update declarations.
5500         * script.h: Update declarations.
5501         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5502         min_p_align.
5503         * testsuite/script_test_3.t: Set large alignment.
5504         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5505         segment has expected alignment.
5506
5507 2010-04-22  Nick Clifton  <nickc@redhat.com>
5508
5509         * po/gold.pot: Updated by the Translation project.
5510         * po/vi.po: Updated Vietnamese translation.
5511
5512 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5513
5514         * testsuite/Makefile.am (check_PROGRAMS): Add
5515         icf_virtual_function_folding_test.
5516         * testsuite/Makefile.in: Regenerated.
5517
5518 2010-04-15  Andrew Haley  <aph@redhat.com>
5519
5520         * options.h (merge_exidx_entries): New option.
5521         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5522         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5523         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5524         (Target_arm::merge_exidx_entries): New function.
5525         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5526         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5527         to Arm_exidx_fixup constructor.
5528         Add new arg, merge_exidx_entries.
5529         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5530         Arm_output_section::fix_exidx_coverage.
5531
5532 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5533
5534         * icf.cc (get_section_contents): Check for preemptible functions.
5535         Ignore addend when appropriate.
5536         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5537         section folded.
5538         (add_from_relobj): Check for section folded.
5539         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5540         * symtab.h (should_add_dynsym_entry): Add new parameter.
5541         * target-reloc.h (scan_relocs): Check for section folded.
5542         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5543         Check reloc types for function pointers in shared objects.
5544         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5545         case.
5546         (icf_preemptible_functions_test): New test case.
5547         (icf_string_merge_test): New test case.
5548         * testsuite.Makefile.in: Regenerate.
5549         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5550         bar_glob.  Refactor code.
5551         * testsuite/icf_preemptible_functions_test.cc: New file.
5552         * testsuite/icf_preemptible_functions_test.sh: New file.
5553         * testsuite/icf_string_merge_test.cc: New file.
5554         * testsuite/icf_string_merge_test.sh: New file.
5555         * testsuite/icf_virtual_function_folding_test.cc: New file.
5556         * testsuite/icf_virtual_function_folding_test.sh: New file.
5557
5558 2010-04-14  Doug Kwan  <dougkwan@google.com>
5559
5560         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5561         for local symbol recounting if we remove a section due to ICF.
5562         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5563         there are no regular objects in input.
5564
5565 2010-04-13  Doug Kwan  <dougkwan@google.com>
5566
5567         * arm.cc (Arm_input_section::set_final_data_size): Compute
5568         accurate final data size instead of using current data size.
5569
5570 2010-04-09  Doug Kwan  <dougkwan@google.com>
5571
5572         * layout.cc (Layout::choose_output_section): Handle script section
5573         types.
5574         (Layout::make_output_section_for_script): Add section type parameter.
5575         Handle script section types.
5576         * layout.h (Layout::make_output_section_for_script): Add section
5577         type parameter.
5578         * output.cc (Output_section::Output_section): Initialize data member
5579         is_noload_.
5580         (Output_section::do_reset_address_and_file_offset): Do not set address
5581         to 0 if section is a NOLOAD section.
5582         * output.h (Output_section::is_noload): New method.
5583         (Output_section::set_is_noload): Ditto.
5584         (Output_section::is_noload_): New data member.
5585         * script-c.h (Script_section_type): New enum type.
5586         (struct Parser_output_section_header): Add new file section_type.
5587         * script-sections.cc (Sections_element::output_section_name): Add
5588         parameter for returning script section type.
5589         (Output_section_definition::output_section_name): Ditto.
5590         (Output_section_definition::section_type)P; New method.
5591         (Output_section_definiton::script_section_type_name): Ditto.
5592         (Output_section_definition::script_section_type_): New data member.
5593         (Output_section_definition::Output_section_definition): Initialize
5594         data member Output_section_definition::script_section_type_.
5595         (Output_section_definition::create_sections): Pass script section type
5596         to Layout::make_output_section_for_script.
5597         (Output_section_definition::output_section_name): Return script
5598         section type to caller.
5599         (Output_section_definition::set_section_address): Do not advance
5600         dot value and load address if section type is NOLOAD.  Set address
5601         of NOLOAD sections regardless of section flags.
5602         (Output_section_definition::print): Print section type if it is
5603         not SCRIPT_SECTION_TYPE_NONE.
5604         (Output_section_definition::section_type): New method.
5605         (Output_section_definition::script_section_type_name): Ditto.
5606         (Script_sections::output_section_name): Add new parameter
5607         PSECTION_TYPE for returning script section type.  Pass it to
5608         section elements.  Handle discard sections.
5609         (Sort_output_sections::operator()): Handle NOLOAD sections.
5610         * script-sections.h (Script_sections::Section_type): New enum type.
5611         (Script_sections::output_section_name): Add a new parameter for
5612         returning script section type.
5613         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5614         INFO and NOLOAD.
5615         * yyscript.y (union): Add new field SECTION_TYPE.
5616         (COPY, DSECT, INFO, NOLOAD): New tokens.
5617         (opt_address_and_section_type): Change type to output_section_header.
5618         (section_type): New non-terminal
5619         (section_header): Handle section type.
5620         (opt_address_and_section_type): Return section type value.
5621
5622 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5623
5624         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5625         * testsuite/plugin_common_test_2.c (foo): Likewise.
5626
5627 2010-04-08  Doug Kwan  <dougkwan@google.com>
5628
5629         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5630         Output_merge_data.
5631         * output.cc (Output_section::add_merge_input_section): Simplify
5632         code and return status of Output_merge_base::add_input_section.
5633         Update merge section map only if Output_merge_base::add_input_section
5634         returns true.
5635
5636 2010-04-07  Doug Kwan  <dougkwan@google.com>
5637
5638         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5639         if section is marked as containing instructions but has no mapping
5640         symbols.
5641         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5642         correct section index.
5643         (Arm_relobj::find_linked_text_section): Ditto.
5644
5645 2010-04-07  Cary Coutant  <ccoutant@google.com>
5646
5647         * archive.cc (include_member): Destroy Read_symbols_data object before
5648         releasing file.
5649         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5650         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5651         (Read_symbols_data::~Read_symbols_data) New destructor.
5652         (Section_relocs::Section_relocs) New constructor.
5653         (Section_relocs::~Section_relocs) New destructor.
5654         (Read_relocs_data::Read_relocs_data) New constructor.
5655         (Read_relocs_data::~Read_relocs_data) New destructor.
5656         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5657         pointers to NULL after deleting.
5658
5659 2010-04-07  Doug Kwan  <dougkwan@google.com>
5660
5661         * arm.cc: Replace "endianity" with "endianness" in comments.
5662         (Arm_exidx_cantunwind): Ditto.
5663         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5664         (Arm_relobj::merge_flags_and_attributes): New method.
5665         (Arm_relobj::merge_flags_and_attributes_): New data member.
5666         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5667         (Arm_relobj::scan_sections_for_stubs): Ditto.
5668         (Arm_relobj::do_read_symbols): Check to see if we really want to
5669         merge processor-specific flags and attributes.  Exit early if
5670         an object is empty except for section names and the undefined symbol.
5671         (Target_arm::do_finalize_sections): Move check for ELF format to
5672         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5673         attributes from a regular object only when we have determined that
5674         it is aapropriate.  Do not create an .ARM.attributes section in
5675         output if there is no regular input object.
5676         (Target_arm::merge_processor_specific_flags): Check
5677         --warn-mismatch before printing any error.
5678         (Target_arm::merge_object_attributes): Ditto.
5679         * gold.cc (queue_middle_tasks): Handle the case in which there is
5680         no regular object in input.
5681         * options.cc (General_options::parse_EB): New method.
5682         (General_options::parse_EL): Same.
5683         (General_options::General_options): Initialize endianness_.
5684         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5685         New options.
5686         (General_options::Endianness): New enum.
5687         (General_options::endianness): New method.
5688         (General_options::endianness_): New data member.
5689         * parameters.cc (Parameters::set_options): Check target endianness.
5690         (Parameters::set_target_once): Ditto.
5691         (Parameters::check_target_endianness): New method.
5692         (parameters_force_valid_target): If either -EL or -EB is specified,
5693         use it to define endianness of default target.
5694         * parameters.h (Parameters::check_target_endianness): New method
5695         declaration.
5696         * target.h (class Target): Change "endianity" to "endianness"
5697         in comments.
5698
5699 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5700
5701         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5702         * configure: Regenerate.
5703         * Makefile.in: Regenerate.
5704         * testsuite/Makefile.in: Regenerate.
5705
5706 2010-04-06  Cary Coutant  <ccoutant@google.com>
5707
5708         gcc PR lto/42757
5709         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5710         prevailing definitions of common symbols.
5711         * testsuite/plugin_test_6.sh: New test case.
5712         * testsuite/plugin_common_test_1.c: New test case.
5713         * testsuite/plugin_common_test_2.c: New test case.
5714         * testsuite/Makefile.am (plugin_test_6): New test case.
5715         * testsuite/Makefile.in: Regenerate.
5716
5717 2010-04-06  Nick Clifton  <nickc@redhat.com>
5718
5719         * po/vi.po: New Vietnamese translation.
5720
5721 2010-03-30  Doug Kwan  <dougkwan@google.com>
5722
5723         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5724
5725 2010-03-25  Doug Kwan  <dougkwan@google.com>
5726
5727         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5728         to avoid a conversion warning on a 32-bit host.
5729
5730 2010-03-24  Ian Lance Taylor  <iant@google.com>
5731
5732         * testsuite/script_test_3.t: Add a TLS segment.
5733         * testsuite/Makefile.am (check_PROGRAMS): Add
5734         tls_phdrs_script_test.
5735         (tls_phdrs_script_test_SOURCES): Define.
5736         (tls_phdrs_script_test_DEPENDENCIES): Define.
5737         (tls_phdrs_script_test_LDFLAGS): Define.
5738         (tls_phdrs_script_test_LDADD): Define.
5739         * testsuite/Makefile.in: Rebuild.
5740
5741 2010-03-23  Cary Coutant  <ccoutant@google.com>
5742
5743         * fileread.cc (find_or_make_view): Fix comment.
5744
5745 2010-03-23  Ian Lance Taylor  <iant@google.com>
5746
5747         * script-sections.cc (class Orphan_section_placement): Define
5748         PLACE_TLS and PLACE_TLS_BSS.
5749         (Orphan_section_placement::Orphan_section_placement): Initialize
5750         new places.
5751         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5752         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5753         (tls_script_test_SOURCES): Define.
5754         (tls_script_test_DEPENDENCIES): Define.
5755         (tls_script_test_LDFLAGS): Define.
5756         (tls_script_test_LDADD): Define.
5757         * testsuite/Makefile.in: Rebuild.
5758
5759 2010-03-22  Doug Kwan  <dougkwan@google.com>
5760
5761         * arm.cc (Arm_relocate_functions::abs8,
5762         Arm_relocate_functions::abs16): Use correct check for overflow
5763         specified in the ARM ELF specs.
5764         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5765         target of a BLX instruction specially.
5766         (Reloc_stub::stub_type_for_reloc): Ditto.
5767         (Relocate::relocate): Use symbolic names instead of numeric relocation
5768         codes to report error.
5769         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5770         workaround.
5771         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5772         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5773         thumb2_blx_out_of_range.stdout
5774         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5775         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5776         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5777         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5778         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5779         thumb2_blx_in_range, thumb2_blx_in_range.o,
5780         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5781         thumb2_blx_out_of_range.o): New rules.
5782         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5783         thumb2_blx_in_range and thumb2_blx_out_of_range.
5784         * testsuite/Makefile.in: Regenerate.
5785         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5786         * testsuite/thumb_blx_in_range.s: New file.
5787         * testsuite/thumb_blx_out_of_range.s: New file.
5788
5789 2010-03-22  Rafael Espindola  <espindola@google.com>
5790
5791         * archive.cc (Should_include): Move to archive.h.
5792         (should_include_member): Make it a member of Archive.
5793         (Lib_group): New.
5794         (Add_lib_group_symbols): New.
5795         * archive.h: Include options.h.
5796         (Archive_member): Moved from Archive.
5797         (Should_include): Moved from archive.cc.
5798         (Lib_group): New.
5799         (Add_lib_group_symbols): New.
5800         * dynobj.cc (do_should_include_member): New.
5801         * dynobj.h (do_should_include_member): New.
5802         * gold.cc (queue_initial_tasks): Update call to queue.
5803         * main.cc (main): Print lib group stats.
5804         * object.cc (do_should_include_member): New.
5805         * object.h: Include archive.h.
5806         (Object::should_include_member): New.
5807         (Object::do_should_include_member): New.
5808         (Sized_relobj::do_should_include_member): New.
5809         * options.cc (General_options::parse_start_lib): New.
5810         (General_options::parse_end_lib): New.
5811         (Input_arguments::add_file): Handle lib groups.
5812         (Input_arguments::start_group): Check we are not in a lib.
5813         (Input_arguments::start_lib): New.
5814         (Input_arguments::end_lib): New.
5815         * options.h (General_options): Add start_lib and end_lib.
5816         (Input_argument::lib_): New.
5817         (Input_argument::lib): New.
5818         (Input_argument::is_lib): New.
5819         (Input_file_lib): New.
5820         (Input_arguments::in_lib_): New.
5821         (Input_arguments::in_lib): New.
5822         (Input_arguments::start_lib): New.
5823         (Input_arguments::end_lib_): New.
5824         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5825         in unused members as preempted.
5826         (Sized_pluginobj::do_should_include_member): New.
5827         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5828         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5829         return the blocker.
5830         (Read_symbols::do_whole_lib_group): New.
5831         (Read_symbols::do_lib_group): New.
5832         (Read_symbols::do_read_symbols): Handle lib groups.
5833         (Read_symbols::get_name): Handle lib groups.
5834         * readsyms.h (Read_symbols): Add an archive member pointer.
5835         (Read_symbols::do_whole_lib_group): New.
5836         (Read_symbols::do_lib_group): New.
5837         (Read_symbols::member_): New.
5838         * script.cc (read_input_script): Update call to queue_soon.
5839
5840 2010-03-19  Doug Kwan  <dougkwan@google.com>
5841
5842         * arm.cc (Stub_table::Stub_table): Initialize new data members
5843         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5844         (Stub_table::add_reloc_stub): Assign stub offset and update
5845         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5846         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5847         New data members.
5848         (Stub_table::update_data_size_and_addralign): Use
5849         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5850         instead of going over all reloc stubs.
5851         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5852         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5853         Stringpool_template::offset_ to size of Stringpool_char.
5854         (Stringpool_template::new_key_offset): Remove code to initialize
5855         Stringpool_template::offset_.
5856         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5857         Stringpool_template::offset_ to zero.
5858
5859 2010-03-15  Doug Kwan  <dougkwan@google.com>
5860
5861         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5862         offset_.
5863         (Stringpool_template::new_key_offset): New method.
5864         (Stringpool_template::add_string): Assign offsets when adding new
5865         strings.
5866         (Stringpool_template::set_string_offsets): Do not set string offsets
5867         when not optimizing.
5868         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5869         member size_.
5870         (Chunked_vector::clear): Clear size_.
5871         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5872         (Chunked_vector::size): Return size_.
5873         (Chunked_vector::push_back): Use size_ to find insert position.
5874         (Chunked_vector::size_): New data member.
5875         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5876         (Stringpool_template::new_key_offset): New method declaration.
5877         (Stringpool_template::offset_): New data member.
5878
5879 2010-03-15   Rafael Espindola  <espindola@google.com>
5880
5881         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5882         Add_symbols' constructor.
5883         * readsyms.h (Add_symbols): Remove the input_group member.
5884
5885 2010-03-10  Ian Lance Taylor  <iant@google.com>
5886
5887         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5888         target to ask whether a reference to a symbol requires a stack
5889         split.
5890         * target.h (Target::is_call_to_non_split): New function.
5891         (Target::do_is_call_to_non_split): Declare virtual function.
5892         * target.cc: Include "symtab.h".
5893         (Target::do_is_call_to_non_split): New function.
5894         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5895
5896 2010-03-10  Cary Coutant  <ccoutant@google.com>
5897
5898         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5899         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5900         (File_read::open[2]): Add whole_file_view_ to list of views.
5901         (File_read::make_view): Remove test of whole_file_view_.
5902         (File_read::find_or_make_view): Create whole_file_view_ if
5903         necessary.
5904         (File_read::clear_views): Replace bool parameter with enum;
5905         adjust all callers.  Don't delete views with permanent data;
5906         do delete cached views and views from archives if
5907         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5908         if clearing the corresponding view.
5909         * fileread.h (File_read::Clear_views_mode): New enum.
5910         (File_read::View::is_permanent_view): New method.
5911         (File_read::clear_views): Replace bool parameter
5912         with enum; adjust all callers.
5913         * options.h (General_options): Change keep_files_mapped option;
5914         add map_whole_files.
5915         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5916         releasing the file.
5917         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5918         the file.
5919
5920 2010-03-10  David S. Miller  <davem@davemloft.net>
5921
5922         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5923
5924 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5925
5926         * icf.cc (get_section_contents): Add '@' marker after processing the
5927         merge reloc.
5928
5929 2010-03-08  Doug Kwan  <dougkwan@google.com>
5930
5931         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5932         due to a conversion warning.
5933         (Arm_relobj::update_output_local_symbol_count): Check for local
5934         symbol with unset output index.
5935
5936 2010-03-05  Ian Lance Taylor  <iant@google.com>
5937
5938         * options.h (class General_options): Add --spare-dynamic-tags.
5939         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5940         --spare-dynamic-tags.
5941
5942 2010-03-05  Ian Lance Taylor  <iant@google.com>
5943
5944         * incremental.cc: Include "libiberty.h".
5945
5946 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5947
5948         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5949         function, is_info_ member.
5950         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5951         (Versions::Versions): Update caller.
5952         (Versions::define_base_version): Likewise.
5953         (Versions::add_def): Likewise.
5954
5955 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5956
5957         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5958         (Scan::possible_function_pointer_reloc): New function.
5959         (Scan::local_reloc_may_be_function_pointer): Change to call
5960         possible_function_pointer_reloc.
5961         (Scan::global_reloc_may_be_function_pointer): Ditto.
5962         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5963         relocations in ".data.rel.ro._ZTV" section.
5964         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5965         * testsuite/icf_safe_so_test.cc: Ditto.
5966         * testsuite/icf_safe_test.cc: Ditto.
5967         * testsuite/icf_safe_test.sh: Ditto.
5968
5969 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5970             Ian Lance Taylor  <iant@google.com>
5971
5972         * target-reloc.h (relocate_section): Check the symbol table index
5973         for -1U before setting the local symbol index.
5974         (scan_relocatable_relocs): If copying the relocation, record that
5975         the local symbol is required.
5976         * object.h (Symbol_value::is_output_symtab_index_set): New
5977         function.
5978         (Symbol_value::may_be_discarded_from_output_symtab): New
5979         function.
5980         (Symbol_value::has_output_symtab_entry): New function.
5981         (Symbol_value::needs_output_symtab_entry): Remove.
5982         (Symbol_value::output_symtab_index): Make sure the symbol index is
5983         set.
5984         (Symbol_value::set_output_symtab_index): Make sure the symbol
5985         index is not set.  Make sure the new index is valid.
5986         (Symbol_value::set_must_have_output_symtab_entry): New function.
5987         (Symbol_value::has_output_dynsym_entry): New function.
5988         (Symbol_value::set_output_dynsym_index): Make sure the new index
5989         is valid.
5990         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5991         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5992         local symbol if permitted.
5993         (Sized_relobj::do_finalize_local_symbols): Call
5994         is_output_symtab_index_set rather than needs_output_symtab_entry.
5995         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5996         rather than needs_output_symtab_entry.  Call
5997         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5998         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5999         is_output_symtab_index_set rather than needs_output_symtab_entry.
6000         * testsuite/discard_locals_relocatable_test.c: New file.
6001         * testsuite/discard_locals_test.sh: Test -r.
6002         * testsuite/Makefile.am (check_DATA): Add
6003         discard_locals_relocatable_test1.syms,
6004         discard_local_relocatable_test2.syms.
6005         (MOSTLYCLEANFILES): Likewise.  Also add
6006         discard_locals_relocatable_test1.lout and
6007         discard_locals_relocatable_test2.out.
6008         (discard_locals_relocatable_test1.syms): New target.
6009         (discard_locals_relocatable_test.o): New target.
6010         (discard_locals_relocatable_test1.out): New target.
6011         (discard_locals_relocatable_test2.syms): New target.
6012         (discard_locals_relocatable_test2.out): New target.
6013         (various): Add missing ../ld-new dependencies.
6014         * testsuite/Makefile.in: Rebuild.
6015
6016 2010-03-03  Nick Clifton  <nickc@redhat.com>
6017
6018         * po/fi.po: New Finnish translation.
6019
6020 2010-03-01  Doug Kwan  <dougkwan@google.com>
6021
6022         * layout.cc (Layout::Layout): Force section types of .init_array*,
6023         .preinit_array* and .fini_array* sections.
6024         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6025         Fix check of return value of std::string::find.().
6026         (Output_section::Input_section_sort_compare::operator()): Remove
6027         comment about .init_array.
6028         (Output_section::Input_section_sort_init_fini_compare::operator()):
6029         New method.
6030         (Output_section::sort_attached_input_sections): Handle .init_array
6031         and .fini_array specially.
6032         * output.h (Output_section::Inut_section_sort_compare): Update
6033         comment.
6034         (Output_section::Input_section_sort_init_fini_compare): New struct.
6035
6036 2010-02-26  Doug Kwan  <dougkwan@google.com>
6037
6038         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6039         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6040         * testsuite/debug_msg.sh: Avoid matching source line number for
6041         use of global variable undef_int.
6042
6043 2010-02-26  Doug Kwan  <dougkwan@google.com>
6044
6045         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6046         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6047         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6048         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6049         * options.cc (General_options::General_options): Initialize member
6050         fix_v4bx_.
6051         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6052         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6053         and rm_no_fix_v4bx.stdout
6054         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6055         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6056         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6057         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6058         and arm_no_fix_v4bx.
6059         * Makefile.in: Regenerate.
6060         * testsuite/arm_fix_v4bx.s: New file.
6061         * testsuite/arm_fix_v4bx.sh: Ditto.
6062
6063 2010-02-24  Doug Kwan  <dougkwan@google.com>
6064
6065         * arm.cc (Target_arm::got_section): Make the .got section the first
6066         non RELRO section in the data segment.
6067         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6068         suffixes of section names.
6069
6070 2010-02-24  Doug Kwan  <dougkwan@google.com>
6071
6072         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6073         flags and attributes merging if an input file is a binary file.
6074         * fileread.cc (Input_file::open): Record format of original file.
6075         * fileread.h (Input_file::Format): New enum type.
6076         (Input_file::Input_file): Initialize data member format_.
6077         (Input_file::format): New method definition.
6078         (Input_file::format_):: New data member.
6079
6080 2010-02-24  Doug Kwan  <dougkwan@google.com>
6081
6082         * arm.cc (Arm_output_data_got): New class.
6083         (ARM_TCB_SIZE): New constant
6084         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6085         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6086         If user uses a script with a SECTIONS clause, issue only a warning
6087         for a misplaced EXIDX input section.  Otherwise, issue an error.
6088         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6089         garbage collection.
6090         (Target_arm::got_mode_index_entry): Handle static linking.
6091         (Target_arm::Scan::local): Ditto.
6092         (Target_arm::Scan::global): Ditto.
6093         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6094         all incorrectly implemented relocations.
6095         (Target_arm::fix_exidx_coverage): Pass layout to
6096         Arm_output_section::fix_exidx_coverage.
6097         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6098         from ".ARM.exidx." and ".ARM.extab.".
6099
6100 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6101
6102         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6103         section if it does not already exist.
6104         * attributes.cc (Attributes_section_data::Attributes_section_data):
6105         Don't crash if size is zero.
6106
6107 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6108             Ian Lance Taylor  <iant@google.com>
6109
6110         * gold.cc (queue_middle_tasks): If no input files were opened,
6111         exit.
6112         * workqueue.h (Task_function::Task_function): Assert that there is
6113         a blocker.
6114
6115 2010-02-22  Doug Kwan  <dougkwan@google.com>
6116
6117         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6118         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6119         types to avoid warnings due to different uint64_t implementations
6120         on different hosts.
6121
6122 2010-02-21  Doug Kwan  <dougkwan@google.com>
6123
6124         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6125         handling of the maximum backward branch offset.
6126         (Arm_relocate_functions::thumb_branch_common): Ditto.
6127         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6128         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6129         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6130         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6131         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6132         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6133         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6134         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6135         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6136         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6137         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6138         thumb2_bl_out_of_range.o): New rules.
6139         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6140         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6141         thumb2_bl_out_of_range
6142         * testsuite/Makefile.in: Regenerate.
6143         * testsuite/arm_bl_in_range.s: New file.
6144         * testsuite/arm_bl_out_of_range.s: Ditto.
6145         * testsuite/arm_branch_in_range.sh: Ditto.
6146         * testsuite/arm_branch_range.t: Ditto.
6147         * testsuite/thumb2_branch_range.t: Ditto.
6148         * testsuite/thumb_bl_in_range.s: Ditto.
6149         * testsuite/thumb_bl_out_of_range.s: Ditto.
6150         * testsuite/thumb_branch_range.t: Ditto.
6151
6152 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6153
6154         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6155         Add reloc offset information.
6156         * icf.cc (get_section_contents): Change iterators to point to the new
6157         vectors. Add reloc offset information to the contents.
6158         * icf.h (Icf::Sections_reachable_info): New typedef.
6159         (Icf::Sections_reachable_list): New typedef.
6160         (Icf::Offset_info): New typedef.
6161         (Icf::Reloc_info): New struct typedef.
6162         (Icf::Reloc_info_list): New typedef.
6163         (Icf::symbol_reloc_list): Delete method.
6164         (Icf::addend_reloc_list): Delete method.
6165         (Icf::section_reloc_list): Delete method.
6166         (Icf::reloc_info_list): New method.
6167         (Icf::reloc_info_list_): New member.
6168
6169 2010-02-19  Doug Kwan  <dougkwan@google.com>
6170
6171         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6172         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6173         * arm.cc (Arm_relocation_functions): New forward declaration.
6174         (Target_arm::Target_arm): Initialize new data members
6175         got_mod_index_offset_ and tls_base_symbol_defined_.
6176         (Target_arm::Relocate::relocate_tls): New method.
6177         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6178          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6179         New methods.
6180         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6181         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6182         (Target_arm::got_mod_index_offset_,
6183         Target_arm::tls_base_symbol_defined_): New data members.
6184         (Target_arm::Scan::local, Target::Scan::global,
6185         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6186         relocations.
6187
6188 2010-02-18  Doug Kwan  <dougkwan@google.com>
6189
6190         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6191         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6192         text section as a parameter becuase some broken tools may not set
6193         the link in section header.
6194         (Target_arm::has_got_section): New method.
6195         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6196         without any mapping symbol as data only.  Remove warning.
6197         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6198         link in its section header, try to discover the link by inspecting the
6199         REL31 relocation at the beginning of the section.
6200         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6201         in error message.
6202         (Target_arm::Scan::global): Treat any reference to the symbol
6203         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6204
6205 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6206
6207         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6208         (Scan::global_reloc_may_be_function_pointer): New function.
6209         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6210         (Scan::global_reloc_may_be_function_pointer): New function.
6211         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6212         (Scan::global_reloc_may_be_function_pointer): New function.
6213         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6214         (Scan::global_reloc_may_be_function_pointer): New function.
6215         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6216         (Scan::global_reloc_may_be_function_pointer): New function.
6217         (Scan::possible_function_pointer_reloc): New function.
6218         (Target_x86_64::can_check_for_function_pointers): New function.
6219         * gc.h (gc_process_relocs): Scan relocation types to determine if
6220         function pointers were taken for targets that support it.
6221         * icf.cc (Icf::find_identical_sections): Include functions for
6222         folding in safe ICF whose pointer is not taken.
6223         * icf.h (Secn_fptr_taken_set): New typedef.
6224         (fptr_section_id_): New member.
6225         (section_has_function_pointers): New function.
6226         (set_section_has_function_pointers): New function.
6227         (check_section_for_function_pointers): New function.
6228         * options.h: Fix comment for safe ICF option.
6229         * target.h (can_check_for_function_pointers): New function.
6230         * testsuite/Makefile.am: Add icf_safe_so_test test case.
6231         Modify icf_safe_test for X86-64.
6232         * testsuite/Makefile.in: Regenerate.
6233         * testsuite/icf_safe_so_test.cc: New file.
6234         * testsuite/icf_safe_so_test.sh: New file.
6235         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6236         (main): Change to take pointer to function kept_func_3.
6237         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6238         folding is done correctly for X86-64.
6239
6240 2010-02-12  David S. Miller  <davem@davemloft.net>
6241
6242         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6243         is_symbolless parameter.
6244         (Output_reloc<SHT_REL>::is_symbolless): New.
6245         (Output_reloc<SHT_REL>::is_symbolless_): New.
6246         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6247         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6248         (Output_reloc<SHT_RELA>::is_symbolless): New.
6249         (Output_data_reloc::add_global): Handle is_symbolless.
6250         (Output_data_reloc::add_global_relative): Likewise.
6251         (Output_data_reloc::add_local): Likewise.
6252         (Output_data_reloc::add_local_relative): Likewise.
6253         (Output_data_reloc::add_symbolless_global_addend): New.
6254         (Output_data_reloc::add_symbolless_local_addend): New.
6255         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6256         is_symbolless.
6257         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6258         instead of ->is_relative_
6259         (Output_reloc::write): Likewise.
6260         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6261         (Output_reloc::write_rel): Simplify.
6262
6263         * sparc.cc (Target_sparc::Scan::local): Use
6264         ->add_symbolless_local_addend as needed.
6265         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6266         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6267         based upon relocation offset.
6268
6269 2010-02-11  Doug Kwan  <dougkwan@google.com>
6270
6271         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6272         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6273         beginning of function.
6274         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6275         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6276         parameter is_32bit in calls to should_apply_static_reloc.
6277         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
6278         (check_DATA): Add arm_abs_global.stdout.
6279         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
6280         arm_abs_global.stdout): New rules.
6281         (MOSTLLYCLEANFILES): Add arm_abs_global
6282         * Makefile.in: Regenerate.
6283         * testsuite/arm_abs_global.s: New file.
6284         * testsuite/arm_abs_global.sh: Ditto.
6285         * testsuite/arm_abs_lib.s: Ditto.
6286
6287 2010-02-11  Ian Lance Taylor  <iant@google.com>
6288
6289         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
6290         Read_relocs task.
6291         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
6292         Allocate_commons_task first.
6293         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
6294         task, rather than symtab_lock_.
6295         (Gc_process_relocs::~Gc_process_relocs): New function.
6296         (Gc_process_relocs::is_runnable): Check this_blocker_.
6297         (Gc_process_relocs::locks): Use next_blocker_ rather than
6298         blocker_.
6299         (Scan_relocs::~Scan_relocs): New function.
6300         (Scan_relocs::is_runnable): Check this_blocker_ rather than
6301         symtab_lock_.
6302         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
6303         next_blocker_.
6304         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6305         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6306         constructor accordingly.
6307         (class Gc_process_relocs): Likewise.
6308         (class Scan_relocs): Likewise.
6309         * common.h (class Allocate_commons_task): Remove symtab_lock_
6310         field, and corresponding constructor parameter.
6311         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6312         symtab_lock_.
6313         (Allocate_commons_task::locks): Likewise.
6314
6315 2010-02-11  Ian Lance Taylor  <iant@google.com>
6316
6317         * gold-threads.h (class Once): Define.
6318         (class Initialize_lock): Rewrite as child of Once.
6319         * gold-threads.cc (class Once_initialize): Define.
6320         (once_pointer_control): New static variable.
6321         (once_pointer, once_arg): New static variables.
6322         (c_run_once): New static function.
6323         (Once::Once, Once::run_once, Once::internal_run): New functions.
6324         (class Initialize_lock_once): Remove.
6325         (initialize_lock_control): Remove.
6326         (initialize_lock_pointer): Remove.
6327         (initialize_lock_once): Remove.
6328         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6329         (Initialize_lock::initialize): Rewrite.
6330         (Initialize_lock::do_run_once): New function.
6331         * archive.cc (Archive::interpret_header): Only clear name if it is
6332         not already empty.
6333         * fileread.cc: Include "gold-threads.h"
6334         (file_counts_lock): New static variable.
6335         (file_counts_initialize_lock): Likewise.
6336         (File_read::release): Only increment counts when using --stats.
6337         Use a lock around the increment.
6338         * parameters.cc (class Set_parameters_target_once): Define.
6339         (set_parameters_target_once): New static variable.
6340         (Parameters::Parameters): Move here from parameters.h.
6341         (Parameters::set_target): Rewrite.
6342         (Parameters::set_target_once): New function.
6343         (Parameters::clear_target): Move here and rewrite.
6344         * parameters.h (class Parameters): Update declarations.  Add
6345         set_parameters_target_once_ field.
6346         (Parameters::Parameters): Move to parameters.cc.
6347         (Parameters::clear_target): Likewise.
6348         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6349         task.
6350         (Start_group::~Start_group): New function.
6351         (Start_group::is_runnable): New function.
6352         (Start_group::locks, Start_group::run): New functions.
6353         (Finish_group::run): Change saw_undefined to size_t.
6354         * readsyms.h (class Start_group): Define.
6355         (class Finish_group): Change saw_undefined_ field to size_t.
6356         (Finish_group::Finish_group): Remove saw_undefined and
6357         this_blocker parameters.  Change all callers.
6358         (Finish_group::set_saw_undefined): New function.
6359         (Finish_group::set_blocker): New function.
6360         * symtab.h (class Symbol_table): Change saw_undefined to return
6361         size_t.  Change saw_undefined_ field to size_t.
6362         * target-select.cc (Set_target_once::do_run_once): New function.
6363         (Target_selector::Target_selector): Initialize set_target_once_
6364         field.  Don't initialize lock_ and initialize_lock_ fields.
6365         (Target_selector::instantiate_target): Rewrite.
6366         (Target_selector::set_target): New function.
6367         * target-select.h (class Set_target_once): Define.
6368         (class Target_selector): Update declarations.  Make
6369         Set_target_once a friend.  Remove lock_ and initialize_lock_
6370         fields.  Add set_target_once_ field.
6371
6372 2010-02-10  Ian Lance Taylor  <iant@google.com>
6373
6374         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6375         queueing any tasks.
6376         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6377         (queue_middle_tasks): Add all blockers before queueing any tasks.
6378         (queue_final_tasks): Likewise.
6379         * token.h (Task_token::add_blockers): New function.
6380         * object.h (Input_objects::number_of_relobjs): New function.
6381
6382 2010-02-10  Ian Lance Taylor  <iant@google.com>
6383
6384         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6385         shared, not if not position independent.
6386         * x86_64.cc (Relocate::relocate_tls): Likewise.
6387         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6388         (tls_pie_pic_test): New target.
6389         * testsuite/Makefile.in: Rebuild.
6390
6391         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6392         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6393         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6394         * testsuite/Makefile.in: Rebuild.
6395
6396 2010-02-09  David S. Miller  <davem@davemloft.net>
6397
6398         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6399         R_SPARC_RELATIVE using ->add_local_relative().
6400         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6401
6402         * output.h (Output_data_dynamic::add_section_size): New method
6403         that takes two Output_data objects.
6404         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6405         entry param.  Handle it in initializers.
6406         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6407         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6408         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6409         arg.
6410         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6411         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6412         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6413         for dynrel_includes_plt.
6414         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6415         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6416         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6417         before .rela.plt
6418         (Target_sparc::do_finalize_sections): Update to pass true for
6419         dynrel_includes_plt.
6420         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6421         output before .rela.plt
6422         (Target_powerpc::do_finalize_sections): Update to pass true for
6423         dynrel_includes_plt when 32-bit.
6424
6425 2010-02-08  Doug Kwan  <dougkwan@google.com>
6426
6427         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6428         method.
6429         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6430         Arm_relobj::scan_section_for_cortex_a8_stubs,
6431         Arm_relobj::do_relocation_section): Instead of calling
6432         Output_section::output_address, use faster
6433         Arm_relobj::simple_input_section_output_address.
6434
6435 2010-02-08  David S. Miller  <davem@davemloft.net>
6436
6437         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6438         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6439         relocation helper function.
6440
6441         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6442         just like R_SPARC_GOT{10,13,22}.
6443         (Target_sparc::Scan::local): Likewise.
6444         (Target_sparc::Relocate:relocate): Likewise.
6445
6446 2010-02-06  Ian Lance Taylor  <iant@google.com>
6447
6448         * configure.ac: Rewrite targetobjs duplicate removal code to use
6449         only shell constructs.
6450         * configure: Rebuild.
6451
6452 2010-02-05  Doug Kwan  <dougkwan@google.com>
6453
6454         PR 11247
6455         * arm.cc (Arm_relobj::section_is_scannable): New method.
6456         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6457         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6458
6459 2010-02-04  Doug Kwan  <dougkwan@google.com>
6460
6461         PR 11247
6462         * arm-reloc-property.cc (cstdio): Include.
6463         * configure.ac (targetobjs): Remove duplicates.
6464         * configure: Regenerate.
6465         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6466         big and little endian version for a given address size.
6467
6468 2010-02-03  Doug Kwan  <dougkwan@google.com>
6469
6470         * arm-reloc-property.cc
6471         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6472         definition.
6473         * arm-reloc-property.h
6474         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6475         New method definition.
6476         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6477         declaration.
6478         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6479         overflow to N.
6480         (GOT_PREL): Change implemented to Y.
6481         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6482         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6483         (Arm_relocate_functions::movw_abs_nc): Remove method.
6484         (Arm_relocate_functions::movt_abs): Ditto.
6485         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6486         (Arm_relocate_functions::thm_movt_abs): Ditto.
6487         (Arm_relocate_functions::movw_rel_nc): Ditto.
6488         (Arm_relocate_functions::movw_rel): Ditto.
6489         (Arm_relocate_functions::movt_rel): Ditto.
6490         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6491         (Arm_relocate_functions:thm_movw_rel): Ditto.
6492         (Arm_relocate_functions:thm_movt_rel): Ditto.
6493         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6494         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6495         New method definitions.
6496         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6497         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6498         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6499         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6500         (Target_arm::Relocate::relocate): Check for non-static or
6501         unimplemented relocation code and exit early.  Change calls to
6502         Target_arm::reloc_uses_thumb_bit and
6503         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6504         instead.  Refactor code to handle similar relocations to increase
6505         code sharing.  Remove check for unsupported relocation code in switch
6506         statement.
6507         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6508         relocation property table to find out size.  Change error message to
6509         print out the name of a relocation code instead of the numeric value.
6510         (Target_arm::scan_reloc_for_stub): Use relocation property table
6511         instead of calling Target_arm::reloc_uses_thumb_bit().
6512
6513 2010-02-02  Doug Kwan  <dougkwan@google.com>
6514
6515         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6516         types of relaxed input section.
6517
6518 2010-02-02  Doug Kwan  <dougkwan@google.com>
6519
6520         * Makefile.am (HFILES): Add arm-reloc-property.h.
6521         (DEFFILES): New.
6522         (TARGETSOURCES): Add arm-reloc-property.cc
6523         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6524         (libgold_a_SOURCES): $(DEFFILES)
6525         * Makefile.in: Regenerate.
6526         * arm-reloc-property.cc: New file.
6527         * arm-reloc-property.h: New file.
6528         * arm-reloc.def: New file.
6529         * arm.cc: Update comments.
6530         (arm-reloc-property.h): New included header.
6531         (arm_reloc_property_table): New global variable.
6532         (Target_arm::do_select_as_default_target): New method definition.
6533         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6534         arm-reloc-property to targ_extra_obj.
6535         * parameters.cc (set_parameters_target): Call
6536         Target::select_as_default_target().
6537         * target.h (Target::select_as_default_target): New method definition.
6538         (Target::do_select_as_default_target): Same.
6539
6540 2010-02-01  Doug Kwan  <dougkwan@google.com>
6541
6542         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6543         first_output_text_section_.
6544         (Arm_exidx_fixup::first_output_text_section): New method definition.
6545         (Arm_exidx_fixup::first_output_text_section_): New data member.
6546         (Arm_exidx_fixup::process_exidx_section): Record the first text
6547         output section seen.
6548         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6549         and entsize in output section header.
6550
6551 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6552
6553         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6554         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6555         (Arm_relocate_functions::thm_alu11): New Method.
6556         (Arm_relocate_functions::thm_pc8): New Method.
6557         (Arm_relocate_functions::thm_pc12): New Method.
6558         (Target_arm::Scan::local): Handle the relocations.
6559         (Target_arm::Scan::global): Likewise.
6560         (Target_arm::Relocate::relocate): Likewise.
6561         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6562
6563 2010-01-29  Doug Kwan  <dougkwan@google.com>
6564
6565         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6566         of relocation types as ld.
6567
6568 2010-01-29  Doug Kwan  <dougkwan@google.com>
6569
6570         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6571         to public.
6572         (Arm_relocate_functions::thumb_branch_common): Ditto.
6573         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6574         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6575         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6576         Arm_relocate_functions::jump24): Remove.
6577         (Target_arm::Relocate::relocate): Adjust code to call
6578         Arm_relocation_functions::arm_branch_common and
6579         Arm_relocation_functions::thumb_branch_common instead of their removed
6580         wrappers.  Merge switch-cases together to reduce source code size.
6581
6582 2010-01-29  Doug Kwan  <dougkwan@google.com>
6583
6584         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6585         output_local_symbol_count_needs_update_.
6586         (Arm_relobj::output_local_symbol_count_needs_update,
6587          Arm_relobj::set_output_local_symbol_count_needs_update,
6588          Arm_relobj::update_output_local_symbol_count): New methods.
6589         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6590         member.
6591         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6592         of pointed function as in a R_ARM_PREL31 relocation.
6593         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6594         for output local symbol count updating.
6595         (Target_arm::do_relax): Update output local symbol counts in objects
6596         if necessary.
6597         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6598
6599 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6600
6601         * arm.cc: Added support for the ARM relocations:
6602         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6603         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6604         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6605         movw_prel_nc).
6606         (Arm_relocate_functions::movw_rel): New method.
6607         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6608         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6609         thm_movw_prel_nc).
6610         (Arm_relocate_functions::thm_movw_rel): New method.
6611         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6612         thm_movt_prel).
6613         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6614         relocations.
6615         (Target_arm::Scan::global): Likewise.
6616         (Target_arm::Relocate::relocate): Likewise.
6617         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6618         Likewise.
6619
6620 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6621
6622         * arm.cc: Added support for ARM group relocations.
6623         (Target_arm::reloc_needs_sym_origin): New method.
6624         (Arm_relocate_functions::calc_grp_kn): New method.
6625         (Arm_relocate_functions::calc_grp_residual): New method.
6626         (Arm_relocate_functions::calc_grp_gn): New method.
6627         (Arm_relocate_functions::arm_grp_alu): New Method.
6628         (Arm_relocate_functions::arm_grp_ldr): New Method.
6629         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6630         (Arm_relocate_functions::arm_grp_ldc): New Method.
6631         (Target_arm::Scan::local): Handle the ARM group relocations.
6632         (Target_arm::Scan::global): Likewise.
6633         (Target_arm::Relocate::relocate): Likewise.
6634         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6635         Likewise.
6636
6637 2010-01-26  Doug Kwan  <dougkwan@google.com>
6638
6639         * arm.cc (set): Include.
6640         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6641         pointer type.
6642         (Arm_output_section::Text_section_list): New type.
6643         (Arm_output_section::append_text_sections_to_list): New method.
6644         (Arm_output_section::fix_exidx_coverage): Ditto.
6645         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6646         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6647         Relobj::set_section_offset() instead of
6648         Sized_relobj::invalidate_section_offset().
6649         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6650         parameter for section headers. Ignore relocation sections for
6651         unallocated sections and EXIDX sections.
6652         (Target_arm::fix_exidx_coverage): New method.
6653         (Target_arm::output_section_address_less_than): New type.
6654         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6655         linked text section instead of the EXIDX section.
6656         (Arm_output_section::create_stub_group): Add an assertion to check
6657         that this is not an EXIDX output section.
6658         (Arm_output_section::append_text_sections_to_list): New method.
6659         (Arm_output_section::fix_exidx_coverage): Ditto.
6660         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6661         Arm_relobj::section_needs_reloc_stub_scanning.
6662         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6663         first pass.
6664         (Target_arm::fix_exidx_coverage): New method.
6665         * object.h (Relobj::set_output_section): New method.
6666         (Sized_relobj::invalidate_section_offset): Remove method.
6667         (Sized_relobj::do_invalidate_section_offset): Remove method.
6668         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6669
6670 2010-01-25  Doug Kwan  <dougkwan@google.com>
6671
6672         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6673         Fix warning due to signed and unsigned comparison on a 32-bit host.
6674
6675 2010-01-22  Doug Kwan  <dougkwan@google.com>
6676
6677         * arm.cc (Target_arm::do_relax): Record an output section for section
6678         offset adjustment it contains any stub table that has changed.
6679         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6680         offsets in an output section if necessary.
6681         * output.cc (Output_section::Output_section): Initialize
6682         section_offsets_need_adjustments_.
6683         (Output_section::add_input_section_for_script): Renamed to
6684         Output_section::add_simple_input_section.
6685         (Output_section::save_states): Add a comment.
6686         (Output_section::discard_states): New method defintion.
6687         (Output_section::adjust_section_offsets): Same.
6688         * output.h (Output_section::add_input_section_for_script): Renamed to
6689         Output_section::add_simple_input_section.
6690         (Output_section::discard_states): New method declaration.
6691         (Output_section::adjust_section_offsets): Same.
6692         (Output_section::section_offsets_need_adjustment,
6693         Output_section::set_section_offsets_need_adjustment): New method
6694         definitions.
6695         (Output_section::section_offsets_need_adjustment_): New data member.
6696         * script-sections.cc
6697         (Output_section_element_input::set_section_address): Adjust code for
6698         renaming of Output_section::add_input_section_for_script.
6699         (Orphan_output_section::set_section_address): Same.
6700
6701 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6702
6703         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6704         Fix_v4bx enum values .
6705         * gold/options.h (General_options): New option definitions.
6706         (General_options::fix_v4bx): New method.
6707         (General_options::Fix_v4bx): New enum.
6708         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6709         (General_options::parse_fix_v4bx_interworking): New method.
6710
6711 2010-01-22  Doug Kwan  <dougkwan@google.com>
6712
6713         * arm.cc (Arm_exidx_fixup): New class.
6714
6715 2010-01-21  Doug Kwan  <dougkwan@google.com>
6716
6717         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6718         classes.
6719         (Arm_exidx_section_offset_map): New type.
6720
6721 2010-01-21  Doug Kwan  <dougkwan@google.com>
6722
6723         * arm.cc (Arm_exidx_input_section): New class.
6724         (Arm_relobj::exidx_input_section_by_link,
6725         Arm_relobj::exidx_input_section_by_shndx,
6726         Arm_relobj::make_exidx_input_section): New methods.
6727         (read_arm_attributes_section): Remove.
6728         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6729         information about them.
6730         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6731         to here.
6732
6733 2010-01-20  Doug Kwan  <dougkwan@google.com>
6734
6735         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6736         Input_section_specifier to Section_id.
6737         (Target_arm::new_arm_input_section: Adjust code for change of key
6738         type.
6739         (Target_arm::find_arm_input_section): Ditto.
6740         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6741         (Section_id): Remove.
6742         (Garbage_collection::Section_id_hash): Remove.
6743         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6744         (Section_id): Remove.
6745         (Icf::Section_id_hash): Remove.
6746         * object.h (Section_id, Const_section_id, Section_id_hash,
6747         Const_section_id_hash): New type definitions.
6748         * output.cc (Output_section::add_relaxed_input_section): Change to
6749         use Const_section_id instead of Input_section_specifier as key type.
6750         (Output_section::add_merge_input_section): Ditto.
6751         (Output_section::build_relaxation_map): Change to use Section_id
6752         instead of Input_section_specifier as key type.
6753         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6754         Ditto.
6755         (Output_section::convert_input_sections_to_relaxed_sections): Change
6756         to use Const_section_id instead of Input_section_specifier as key type.
6757         (Output_section::find_merge_section): Ditto.
6758         (Output_section::find_relaxed_input_section): Ditto.
6759         * output.h (Input_section_specifier): Remove class.
6760         (Output_section::Output_section_data_by_input_section_map): Change
6761         key type to Const_section_id.
6762         (Output_section::Output_relaxed_input_section_by_input_section_map):
6763         Ditto.
6764         (Output_section::Relaxation_map): Change key type to Section_id.
6765
6766 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6767
6768         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6769         (class Arm_v4bx_stub): New class.
6770         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6771         (Stub_factory::make_arm_v4bx_stub): New method.
6772         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6773         (Stub_table::empty): Handle v4bx stubs.
6774         (Stub_table::add_arm_v4bx_stub): New method.
6775         (Stub_table::find_arm_v4bx_stub): New method.
6776         (Arm_relocate_functions::v4bx): New method.
6777         (Target_arm::fix_v4bx): New method.
6778         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6779         (Stub_table::relocate_stubs): Likewise.
6780         (Stub_table::do_write): Likewise.
6781         (Stub_table::update_data_size_and_addralign): Likewise.
6782         (Stub_table::finalize_stubs):  Likewise.
6783         (Target_arm::Scan::local): Likewise.
6784         (Target_arm::Scan::global): Likewise.
6785         (Target_arm::do_finalize_sections): Likewise.
6786         (Target_arm::Relocate::relocate): Likewise.
6787         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6788         Likewise.
6789         (Target_arm::scan_reloc_for_stub): Likewise.
6790         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6791
6792 2010-01-19  Ian Lance Taylor  <iant@google.com>
6793
6794         * output.cc (Output_section_headers::do_sized_write): Write large
6795         segment count to sh_info field.
6796         (Output_file_header::do_sized_write): For large segment count,
6797         write PN_XNUM to e_phnum field.
6798
6799 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6800
6801         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6802         (Arm_relocate_functions::thm_jump8): New function.
6803         (Arm_relocate_functions::thm_jump11): New function.
6804         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6805         R_ARM_THM_JUMP11.
6806         (Target_arm::Scan::global): Likewise.
6807         (Target_arm::Relocate::relocate): Likewise.
6808         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6809         Likewise.
6810
6811 2010-01-14  Doug Kwan  <dougkwan@google.com>
6812
6813         * arm.cc (map, utility): Include headers.
6814         (Target_arm::apply_cortex_a8_workaround): New method.
6815         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6816         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6817         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6818         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6819         the --[no-]fix-cortex-a8 command line options.
6820         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6821         (Target_arm::relocate_stub): Use addend in instruction template.
6822         * options.h (DEFINE_bool): Set the user-set flag.
6823         (General_options): Add --[no-]-fix-cortex options.
6824         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6825         : Update fast look-up map after conversion.
6826
6827 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6828
6829         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6830         in the first pass of do_layout.
6831
6832 2010-01-13  Doug Kwan  <dougkwan@google.com>
6833
6834         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6835         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6836         apparent compiler problem of not folding static constant integral
6837         data members of elfcpp::Elf_sizes<32>.
6838
6839 2010-01-13  Doug Kwan  <dougkwan@google.com>
6840
6841         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6842         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6843         Arm_relobj::scan_section_for_cortex_a8_erratum,
6844         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6845         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6846         sections to scan for relocation stubs into a new method
6847         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6848         relocation and Cortex-A8 stub scanning.
6849         (Target_arm::do_relax): Force stubs to be after stubbed sections
6850         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6851         the beginning of a new relaxation pass.  Update a comment.
6852         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6853
6854 2010-01-12  Ian Lance Taylor  <iant@google.com>
6855
6856         * target-reloc.h (visibility_error): New inline function.
6857         (relocate_section): Call visibility_error.
6858         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6859         (MOSTLYCLEANFILES): Likewise.
6860         (protected_4_pic.o, protected_3.err): New targets.
6861         * testsuite/protected_4.cc: New file.
6862
6863 2010-01-12  Doug Kwan  <dougkwan@google.com>
6864
6865         * arm.cc (Cortex_a8_reloc): New class.
6866         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6867         and cortex_a8_relocs_info_.
6868         (Target_arm::fix_cortex_a8): New method definition.
6869         (Target_arm::Cortex_a8_relocs_info): New type.
6870         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6871         New data member declarations.
6872         (Target_arm::scan_reloc_for_stub): Record information about
6873         relocations for THUMB branches that might be exempted from the
6874         Cortex-A8 workaround.
6875         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6876         at the beginning of a relaxation pass.
6877
6878 2010-01-12  Doug Kwan  <dougkwan@google.com>
6879
6880         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6881         (Arm_relobj::Mapping_symbol_position,
6882          Arm_reloj::Mapping_symbol_position_less,
6883          Arm_relobj::Mapping_symbols_info): New types.
6884         (Target_arm::is_mapping_symbol_name): New method definition.
6885         (Arm_relobj::do_count_local_symbols): Save information about mapping
6886         symbols.
6887
6888 2010-01-11  Doug Kwan  <dougkwan@google.com>
6889
6890         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6891         Arm_relocate_functions::thumb32_branch_upper,
6892         Arm_relocate_functions::thumb32_branch_lower,
6893         Arm_relocate_functions::thumb32_cond_branch_offset,
6894         Arm_relocate_functions::thumb32_cond_branch_upper,
6895         Arm_relocate_functions::thumb32_cond_branch_lower,
6896         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6897         branch offset encoding.
6898         (Arm_relocate_functions::thumb_branch_common): Use new branch
6899         offset encoding methods to avoid code duplication.
6900         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6901         (Stub_addend_reader::operator()): Use new branch encoding method
6902         to avoid code duplication.
6903
6904 2010-01-11  Doug Kwan  <dougkwan@google.com>
6905
6906         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6907         (Target_arm::do_finalize_sections): Define special EXIDX section
6908         symbols only if referenced.
6909         * gc.h (Garbage_collection::add_reference): New method.
6910         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6911         code duplication.
6912
6913 2010-01-11  Ian Lance Taylor  <iant@google.com>
6914
6915         * script.cc (Version_script_info::build_expression_list_lookup):
6916         Change complaing about duplicate wildcard match from error to
6917         warning.
6918
6919         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6920         of 2009-12-30.
6921         (Version_script_info::Version_script_info): Initialize globs_,
6922         default_version_, default_is_global_, and exact_.  Don't
6923         initialize globals_ or locals_.
6924         (Version_script_info::build_lookup_tables): Build local symbols
6925         first.
6926         (Version_script_info::unquote): New function.
6927         (Version_script_info::add_exact_match): New function.
6928         (Version_script_info::build_expression_list_lookup): Remove lookup
6929         parameter.  Add is_global parameter.  Change all callers.  Handle
6930         wildcard pattern specially.  Unquote pattern.  Call
6931         add_exact_match.
6932         (Version_script_info::get_name_to_match): New function.
6933         (Version_script_info::get_symbol_version): New function.
6934         (Version_script_info::get_symbol_version_helper): Remove.
6935         (Version_script_info::check_unmatched_names): Call unquote.
6936         * script.h (class Version_script_info): Change get_symbol_version
6937         to be non-inline and add is_global parameter; change all callers.
6938         Rewrite symbol_is_local.  Update declarations.  Define struct
6939         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6940         Remove globals_ and locals_ members.  Add exact_, globs_,
6941         default_version_, is_global_.
6942         (Version_script_info::Glob): Remove pattern, add expression and
6943         is_global.  Update constructor.  Change all callers.
6944         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6945         default version.
6946         (Versions::symbol_section_contents): If a symbol is undefined, or
6947         defined in a dynamic object, set the version index to
6948         VER_NDX_LOCAL.
6949         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6950         symbol_is_local.
6951         (Symbol_table::add_from_pluginobj): Likewise.
6952         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6953
6954 2010-01-11  Doug Kwan  <dougkwan@google.com>
6955
6956         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6957         (incremental_dump_LDADD): Add linking option for libintl.
6958         * Makefile.in: Regenerate.
6959
6960 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6961
6962         PR gold/11144
6963         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6964         instead of -Ds.
6965         * testsuite/Makefile.in: Regenerated.
6966
6967 2010-01-10  Doug Kwan  <dougkwan@google.com>
6968
6969         * options.h (DEFINE_var): Use parentheses around argument varname__
6970         in macro body to avoid any unintended subsequent substitutions.
6971
6972 2010-01-10  Ian Lance Taylor  <iant@google.com>
6973
6974         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6975         candidates before doing symbol resolution.
6976
6977         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6978         ODR candidates if only one is weak.
6979
6980 2010-01-08  Ian Lance Taylor  <iant@google.com>
6981
6982         * script.cc (Version_script_info::build_expression_list_lookup):
6983         Don't warn about ambiguous version, just record the ambiguity.
6984         (Version_script_info::get_symbol_version_helper): Give error if
6985         version is ambiguous.
6986
6987 2010-01-08  Doug Kwan  <dougkwan@google.com>
6988
6989         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6990           prev_data_size_ and prev_addralign_.  Remove initializer for
6991           deleted data member has_been_changed_.
6992           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6993           to determine if the table is empty.
6994           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6995           Remove.
6996           (Stub_table::add_reloc_stub): Define method in class definition
6997           instead of just declaring it there.
6998           (Stub_table::add_cortex_a8_stub): New method definition.
6999           (Stub_table::update_data_size_and_addralign): Ditto.
7000           (Stub_table::finalize_stubs): Ditto.
7001           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7002           (Stub_table::do_addralign_): Return address alignment in the
7003           (Stub_table::do_reset_address_and_file_offset): Define method in
7004           class definition instead of declaring it there.  Set current data
7005           size to be the data size of the previous pass.
7006           (Stub_table::set_final_data_size): Use current data size as the
7007           final data size.
7008           (Stub_table::relocate_stub): Change parameter type of stub from
7009           Reloc_stub pointer to Stub pointer.
7010           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7011           (Stub_table::Cortex_a8_stub_list): New typedef.
7012           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7013            Stub_table::prev_addralign_): New data member.
7014           (Arm_relobj::Arm_relobj): Initialize data member
7015           section_has_cortex_a8_workaround_.
7016           (Arm_relobj::section_has_cortex_a8_workaround,
7017            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7018            definitions.
7019           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7020           declarations.
7021           (Target_arm::relocate_stub): Change parameter type of stub from
7022           Reloc_stub pointer to Stub pointer.
7023           (Insn_template::size, Insn_template::alignment): Handle
7024           THUMB16_SPECIAL_TYPE.
7025           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7026            Stub_table::update_data_size_and_addralign,
7027            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7028           definitions.
7029           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7030           (Stub_table::do_write): Ditto.
7031           (Target_arm::do_relax): Adjust code for changes in Stub_table.
7032
7033 2010-01-08  Ian Lance Taylor  <iant@google.com>
7034
7035         PR 11108
7036         * symtab.h (class Symbol): Remove fields is_target_special_ and
7037         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7038         (Symbol::is_defined_in_discarded_section): New function.
7039         (Symbol::set_is_defined_in_discarded_section): New function.
7040         (Symbol::has_plt_offset): Rewrite.
7041         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7042         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7043         Don't initialize is_target_special_ or has_plt_offset_.
7044         Initialize is_defined_in_discarded_section_.
7045         (Symbol_table::add_from_relobj): If appropriate, set
7046         is_defined_in_discarded_section.
7047         * resolve.cc (Symbol::override_base_with_special): Don't test
7048         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7049         * target-reloc.h (relocate_section): Do special handling for
7050         symbols defined in discarded sections for global symbols as well
7051         as local symbols.
7052
7053 2010-01-08  Ian Lance Taylor  <iant@google.com>
7054
7055         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7056         the SHT_SYMTAB case.
7057
7058 2010-01-08  Ian Lance Taylor  <iant@google.com>
7059
7060         * object.cc (Sized_relobj::do_layout): Don't get confused if
7061         layout_eh_frame returns NULL.
7062
7063 2010-01-08  Ian Lance Taylor  <iant@google.com>
7064
7065         PR 11084
7066         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7067         dynamic symbol table, use the normal symbol table.
7068         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7069         symbol table.
7070
7071 2010-01-08  Ian Lance Taylor  <iant@google.com>
7072
7073         PR 11072
7074         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7075         sections.
7076
7077 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7078
7079         * version.cc (print_version): Change to "Copyright 2010".
7080
7081 2010-01-08  Ian Lance Taylor  <iant@google.com>
7082
7083         PR 10287
7084         PR 11063
7085         * i386.cc (class Target_i386): Change return type of plt_section
7086         to be non-const.
7087         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7088         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7089         tls_desc_rel_ field.
7090         (Output_data_plt_i386::rel_tls_desc): New function.
7091         (Target_i386::rel_tls_desc_section): New function.
7092         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7093         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7094         R_386_TLS_DESC reloc in rel_tls_desc_section.
7095         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7096         Define struct Tlsdesc_info.
7097         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7098         (Target_x86_64::do_reloc_symbol_index): New function.
7099         (Target_x86_64::add_tlsdesc_info): New function.
7100         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7101         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7102         tlsdesc_rel_ field.
7103         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7104         all callers.
7105         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7106         (Target_x86_64::rela_tlsdesc_section): New function.
7107         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7108         handling.
7109         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7110         (Target_x86_64::do_reloc_addend): New function.
7111         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7112         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7113         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7114         (Output_reloc::type): New function.
7115         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7116         (Output_reloc::is_target_specific): New function.
7117         (Output_reloc::target_arg): New function.
7118         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7119         absolute relocs and target specific relocs.
7120         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7121         add_target_specific.
7122         (class Output_data_reloc) [SHT_RELA]: Likewise.
7123         * output.cc (Output_reloc::Output_reloc): Add four new versions
7124         for absolute relocs and target specific relocs.
7125         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7126         (Output_reloc::get_symbol_index): Likewise.
7127         (Output_reloc::local_section_offset): Check that local_sym_index_
7128         is not TARGET_CODE or 0.
7129         (Output_reloc::symbol_value): Likewise.
7130         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7131         reloc.
7132         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7133         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7134         functions.
7135         * layout.cc (add_target_dynamic_tags): Use output section for
7136         DT_PLTRELSZ and DT_JMPREL.
7137
7138 2010-01-07  Ian Lance Taylor  <iant@google.com>
7139
7140         PR 11061
7141         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7142         function.
7143         (class Output_data_reloc_generic): Define.
7144         (class Output_data_reloc_base): Change base class to
7145         Output_data_reloc_generic.  Change add() method to call
7146         bump_relative_reloc_count for a relative reloc.  Remove
7147         sort_relocs_ field.
7148         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7149         to sort_relocs().
7150         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7151         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7152         appropriate.
7153         * layout.h (class Layout): Update declaration.
7154
7155 2010-01-07  Ian Lance Taylor  <iant@google.com>
7156
7157         * output.h (class Output_data): Add const version of
7158         output_section and do_output_section.
7159         (class Output_section_data): Add const version of
7160         do_output_section.
7161         (class Output_section): Likewise.
7162         * layout.cc (Layout::add_target_dynamic_tags): New function.
7163         * layout.h (class Layout): Update declarations.
7164         * arm.cc (Target_arm::do_finalize_sections): Use
7165         add_target_dynamic_tags.
7166         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7167         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7168         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7169         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7170
7171 2010-01-07  Ian Lance Taylor  <iant@google.com>
7172
7173         PR 11042
7174         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7175         object as needed.
7176
7177 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7178             Ian Lance Taylor  <iant@google.com>
7179
7180         PR 11019
7181         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7182         Xindex::read_symtab_xindex.
7183
7184 2010-01-07  Doug Kwan  <dougkwan@google.com>
7185
7186         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7187         (Insn_template::thumb16_bcond_insn): New method declaration.
7188         (Insn_template): Fix spelling.
7189         (Stub::thumb16_special): New method declaration.
7190         (Stub::do_write): Define virtual method which was previously pure
7191         virtual.
7192         (Stub::do_thumb16_special): New method declaration.
7193         (Stub::do_fixed_endian_write): New template member.
7194         (Reloc_stub::do_write): Remove.
7195         (Reloc_stub::do_fixed_endian_write): Remove.
7196         (Cortex_a8_stub): New class definition.
7197         (Stub_factory::make_cortex_a8_stub): New method definition.
7198         (Stub_factory::Stub_factory): Add missing static storage class
7199         qualifier for elf32_arm_stub_a8_veneer_blx.
7200
7201 2010-01-07  Ian Lance Taylor  <iant@google.com>
7202
7203         PR 10980
7204         * options.h (class General_options): Add --warn-unresolved-symbols
7205         and --error-unresolved-symbols.
7206         * errors.cc (Errors::undefined_symbol): Implement
7207         --warn-unresolved-symbols.
7208
7209         * options.h (class General_options): Add -z text and -z textoff.
7210         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7211
7212 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7213
7214         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7215         (Garbage_collection::cident_sections): New function.
7216         (Garbage_collection::add_cident_section): New function.
7217         (Garbage_collection::cident_sections_): New member.
7218         (gc_process_relocs): Add references to sections whose names are C
7219         identifiers.
7220         * gold.h (cident_section_start_prefix): New constant.
7221         (cident_section_stop_prefix): New constant.
7222         (is_cident): New function.
7223         * layout.cc (Layout::define_section_symbols): Replace string constants
7224         with the newly defined constants.
7225         * object.cc (Sized_relobj::do_layout): Track sections whose names are
7226         C identifiers.
7227         * testsuite/Makefile.am: Add gc_orphan_section_test.
7228         * testsuite/Makefile.in: Regenerate.
7229         * testsuite/gc_orphan_section_test.cc: New file.
7230         * testsuite/gc_orphan_section_test.sh: New file.
7231
7232 2010-01-06  Ian Lance Taylor  <iant@google.com>
7233
7234         PR 10980
7235         * options.h (class General_options): Add --warn-shared-textrel.
7236         * layout.cc (Layout::finish_dynamic_section): Implement
7237         --warn-shared-textrel.
7238
7239         PR 10980
7240         * options.h (class General_options): Add --warn-multiple-gp.
7241
7242 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7243
7244         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7245         $(THREADSLIB) and $(LIBDL).
7246         * Makefile.in: Rebuild.
7247
7248 2010-01-06  Ian Lance Taylor  <iant@google.com>
7249
7250         PR 10980
7251         * options.cc (General_options::parse_section_start): New function.
7252         (General_options::section_start): New function.
7253         (General_options::General_options): Initialize all members.
7254         * options.h: Include <map>
7255         (class General_options): Add --section-start.  Add section_starts_
7256         member.
7257         * layout.cc (Layout::attach_allocated_section_to_segment): If
7258         --section-start was used, set the address of the segment.  Remove
7259         local sort_sections.
7260         (Layout::relaxation_loop_body): If the address of the load segment
7261         has been set by --section-start, don't use it.
7262         * output.h (Output_segment::update_flags_for_output_section): New
7263         function.
7264         * output.cc (Output_segment::add_output_section): Call
7265         update_flags_for_output_section.
7266
7267 2010-01-05  Ian Lance Taylor  <iant@google.com>
7268
7269         PR 10980
7270         * options.h (class General_options): Add --undefined-version.
7271         * script.cc (struct Version_expression): Add was_matched_by_symbol
7272         field.
7273         (Version_script_info::matched_symbol): New function.
7274         (Version_script_info::get_symbol_version_helper): Call
7275         matched_symbol.
7276         (Version_script_info::check_unmatched_names): New function.
7277         * script.h (class Version_script_info): Update declarations.
7278         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
7279
7280         * options.h (class General_options): Use DEFINE_bool_alias for
7281         allow_multiple_definition.
7282         * resolve.cc (Symbol_table::should_override): Don't test
7283         allow_multiple_definition.
7284
7285         PR 10980
7286         * options.h (class General_options): Add --cref.
7287         * main.cc (main): Print cref table if --cref.  Don't close mapfile
7288         until after printing cref table.
7289         * cref.cc: Include "symtab.h".
7290         (class Cref_inputs): Define Cref_table_compare and Cref_table.
7291         (Cref_table_compare::operator()): New function.
7292         (Cref_inputs::gather_cref): New function.
7293         (filecol): New static const.
7294         (Cref_inputs::print_cref): New function.
7295         (Cref::print_cref): New function.
7296         * cref.h: Include <cstdio>.
7297         (class Cref): Update declarations.
7298         * mapfile.h (Mapfile::file): New function.
7299         * object.h (class Object): Define Symbols.  Declare virtual
7300         do_get_global_symbols.
7301         (Object::get_global_symbols): New function.
7302         * object.cc (Input_objects::add_object): Pass object to cref_ if
7303         --cref.
7304         (Input_objects::archive_start): Likewise.
7305         (Input_objects::archive_stop): Likewise.
7306         (Input_objects::print_cref): New function.
7307         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7308         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7309         --cref.
7310         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7311         function.
7312         * plugin.h (class Sized_pluginobj): Update declarations.
7313
7314 2010-01-05  Ian Lance Taylor  <iant@google.com>
7315
7316         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7317         to is_default_version.  Rename insdef to insdefault.
7318         (Symbol_table::add_from_relobj): Rename def to is_default_version
7319         and local to is_forced_local.
7320         (Symbol_table::add_from_pluginobj): Likewise.
7321         (Symbol_table::add_from_dynobj): Likewise.
7322         (Symbol_table::define_special_symbol): Rename insdef to
7323         insdefault.
7324
7325 2010-01-04  Ian Lance Taylor  <iant@google.com>
7326
7327         PR 10980
7328         * options.h (class General_options): Add
7329         --allow-multiple-definition and -z muldefs.
7330         * resolve.cc (Symbol_table::should_override): Don't warn about a
7331         multiple symbol definition if --allow-multiple-definition or -z
7332         muldefs.
7333
7334         PR 10980
7335         * options.h (class General_options): Add --add-needed and
7336         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7337         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7338         error if --copy-dt-needed-entries aka --add-needed is used and
7339         would cause a change in behaviour.
7340
7341         PR 10980
7342         * options.h (class General_options): Add -G as a short version of
7343         --shared.  Add no-op options -assert, -g, and -i.
7344
7345 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7346
7347         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7348         check for .text or .gnu.linkonce.t sections.
7349         * icf.cc (Icf::find_identical_sections): Ditto.
7350         Change the detection for mangled function name within the section
7351         name.
7352         * icf.h (is_section_foldable_candidate): New function.
7353
7354 2009-12-30  Ian Lance Taylor  <iant@google.com>
7355
7356         PR 10980
7357         * options.h (class General_options): Permit two dashes with
7358         --retain-symbols-file.
7359
7360 2009-12-30  Ian Lance Taylor  <iant@google.com>
7361
7362         PR 10979
7363         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7364         don't put the file header and segment headers in the text
7365         segment.
7366
7367         PR 10979
7368         * common.cc (Sort_commons::operator()): Stabilize sort when both
7369         entries are NULL.
7370         (Symbol_table::do_allocate_commons_list): When allocating common
7371         symbols, skip a symbol which is no longer common.
7372         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7373         an object before checking its type.
7374         * testsuite/common_test_2.c: New file.
7375         * testsuite/common_test_3.c: New file.
7376         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7377         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7378         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7379         (common_test_2_pic.o, common_test_2.so): New targets.
7380         (common_test_3_pic.o, common_test_3.so): New targets.
7381         * testsuite/Makefile.in: Rebuild.
7382
7383         PR 10979
7384         * script.cc (read_input_script): If we see a new SECTIONS clause,
7385         and we have added an input section, give an error.
7386         * layout.h (class Layout): Add have_added_input_section function.
7387         Add have_added_input_section_ field.
7388         * layout.cc (Layout::Layout): Initialize
7389         have_added_input_section_.
7390         (Layout::layout): Set have_added_input_section_.
7391         (Layout::layout_eh_frame): Likewise.
7392
7393 2009-12-30  Ian Lance Taylor  <iant@google.com>
7394
7395         PR 10931
7396         * options.h (class General_options): Add --sort-common option.
7397         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7398         * common.cc (Sort_common): Add sort_order parameter to
7399         constructor.  Add sort_order_ field.
7400         (Sort_commons::operator): Check sort_order_.
7401         (Symbol_table::allocate_commons): Determine the sort order.
7402         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7403         Change all callers.
7404         (Symbol_table::do_allocate_commons_list): Likewise.
7405
7406 2009-12-30  Ian Lance Taylor  <iant@google.com>
7407
7408         PR 10916
7409         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7410         symbols from this object, don't change the visibility of an
7411         undefined symbol.
7412         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7413
7414 2009-12-30  Ian Lance Taylor  <iant@google.com>
7415
7416         PR 10861
7417         * script.h (class Version_script_info): Define Language enum.
7418         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7419         new fields globals_, locals_, and is_finalized_.
7420         * script.cc: Various formatting fixes.
7421         (class Parser_closure): Change language_stack_ from a vector of
7422         std::string to one of Version_script_info::Language.  Adjust all
7423         uses accordingly.
7424         (class Lazy_demangler): Remove.
7425         (struct Version_expression): Change language from std::string to
7426         Version_script_info::Language.
7427         (Version_script_info::Version_script_info): New function.
7428         (Version_script_info::~Version_script_info): Don't call clear.
7429         (Version_script_info::finalize): New function.
7430         (Version_script_info::build_lookup_tables): New function.
7431         (Version_script_info::build_expression_list_lookup): New
7432         function.
7433         (Version_script_info::get_symbol_version_helper): Rewrite to use
7434         lookup tables.
7435         (Version_script_info::print_expression_list): Adjust to use
7436         Version_script_info::Language.
7437         (script_push_lex_into_version_mode): Check that the version script
7438         has not been finalized.
7439         (version_script_push_lang): Change language string to
7440         Version_script_info::Language.
7441         * options.cc (Command_line::version_script): New function.
7442         * options.h (class General_options): Add finalize_dynamic_list
7443         function.  Change version_script from declaration to definition.
7444         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7445         * testsuite/version_script.map: Remove duplicate def of foo.
7446         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7447         version_script.map.
7448         * testsuite/Makefile.in: Rebuild.
7449
7450 2009-12-30  Ian Lance Taylor  <iant@google.com>
7451
7452         PR 10843
7453         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7454         if the input symbol index is 0, make the output symbol index 0.
7455
7456 2009-12-30  Ian Lance Taylor  <iant@google.com>
7457
7458         PR 10670
7459         * options.h (class General_options): Add -x/--discard-all.
7460         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7461         --discard-all.  If the local symbol needs a dynamic entry, check
7462         that before handling --discard-locals.
7463
7464 2009-12-30  Ian Lance Taylor  <iant@google.com>
7465
7466         PR 10450
7467         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7468         flags to PF_R.
7469         (Output_segment::add_output_section): Don't change the flags if
7470         the type is PT_TLS.
7471
7472         PR 10450
7473         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7474         GNU hash table if they need a dynamic value.  Otherwise, don't add
7475         them if they are defined in a dynamic object or are forced local.
7476
7477 2009-12-29  Ian Lance Taylor  <iant@google.com>
7478
7479         PR 10450
7480         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7481         .gnu.hash table for a 32-bit target.
7482
7483         PR 10450
7484         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7485         regular and a dynamic object only needs a dynamic symbol table
7486         entry if it is externally visible.
7487
7488         PR 10450
7489         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7490         constructor.  Add global_offset_table_ field.
7491         (Target_i386::got_section): Set global_offset_table_.
7492         (Target_i386::do_finalize_sections): Set global_offset_table_
7493         size.
7494         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7495         in constructor.  Add global_offset_table_ field.
7496         (Target_x86_64::got_section): Set global_offset_table_.
7497         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7498         size.
7499
7500         * layout.cc (Layout::Layout): Initialize increase_relro_.
7501         (Layout::get_output_section): Add is_relro, is_last_relro, and
7502         is_first_non_relro parameters.  Change all callers.
7503         (Layout::choose_output_section): Likewise.
7504         (Layout::add_output_section_data): Likewise.
7505         (Layout::make_output_section): Likewise.
7506         (Layout::set_segment_offsets): Clear increase_relro when using a
7507         linker script.
7508         * layout.h (class Layout): Add increase_relro method.  Add
7509         increase_relro_ field.  Update declarations.
7510         * output.cc (Output_section::Output_section): Initialize
7511         is_last_relro_ and is_first_non_relro_.
7512         (Output_segment::add_output_section): Group relro sections is
7513         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7514         (Output_segment::maximum_alignment): Remove relro handling.
7515         (Output_segment::set_section_addresses): Add increase_relro
7516         parameter.  Change all callers.  Add initial alignment to align
7517         relro sections on separate page.  Remove old relro handling.
7518         (Output_segment::set_section_list_addresses): Remove in_relro
7519         parameter.  Change all callers.
7520         (Output_segment::set_offset): Add increase parameter.  Change all
7521         callers.  Remove old relro handling.
7522         * output.h (class Output_section): Add new methods: is_last_relro,
7523         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7524         Add is_last_relro_ and is_first_non_relro_ fields.
7525         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7526         Create separate .got.plt section.  Call increase_relro.
7527         * x86_64.cc (Target_x86_64::got_section): Likewise.
7528         * testsuite/relro_script_test.t: Add .got.plt.
7529
7530         PR 10450
7531         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7532         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7533         (Layout::finalize): Call set_dynamic_symbol_size.
7534         (Layout::set_dynamic_symbol_size): New function.
7535         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7536         set_dynamic_symbol_size.
7537
7538         PR 10450
7539         * output.h (class Output_section): Add is_entsize_zero_ field.
7540         * output.cc (Output_section::Output_section): Initialize
7541         is_entsize_zero_.
7542         (Output_section::set_entsize): If two different entsizes are
7543         requested, force it to zero.
7544         (Output_section::add_input_section): Set flags for .debug_str
7545         before updating section flags.  Set entsize.
7546         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7547         and SHF_STRING if all input sections have those flags.
7548
7549 2009-12-29   Rafael Espindola  <espindola@google.com>
7550
7551         * main.cc (main): Fix the sys time reporting.
7552         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7553         reporting.
7554
7555 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7556
7557         * options.cc (General_options::parse_version): Allow -v to exit
7558         without an error if there is nothing to link.
7559
7560 2009-12-29  Ian Lance Taylor  <iant@google.com>
7561
7562         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7563         using a version of gcc before 4.1.
7564         * configure: Rebuild.
7565
7566 2009-12-28  Chris Demetriou  <cgd@google.com>
7567
7568         * attributes.cc (Output_attributes_section_data::do_write): Use
7569         std::vector::front rather than std::vector::data.
7570
7571 2009-12-28  Ian Lance Taylor  <iant@google.com>
7572
7573         * symtab.h (class Symbol_table): Add enum Defined.
7574         * resolve.cc (Symbol_table::should_override): Add defined
7575         parameter.  Change all callers.  Test whether object is NULL
7576         before calling a method on it.
7577         (Symbol_table::report_resolve_problem): Add defined parameter.
7578         Change all callers.
7579         (Symbol_table::should_override_with_special): Likewise.
7580         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7581         parameter.  Change all callers.
7582         (Symbol_table::do_define_in_output_data): Likewise.
7583         (Symbol_table::define_in_output_segment): Likewise.
7584         (Symbol_table::do_define_in_output_segment): Likewise.
7585         (Symbol_table::define_as_constant): Likewise.
7586         (Symbol_table::do_define_as_constant): Likewise.
7587         * script.h (class Symbol_assignment): Add is_defsym parameter to
7588         constructor; change all callers.
7589         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7590         parameter.  Change all callers.  Add is_defsym_ field.
7591         (class Parser_closure): Add parsing_defsym parameter to
7592         constructor; change all callers.  Add parsing_defsym accessor
7593         function.  Add parsing_defsym_ field.
7594
7595 2009-12-28  Ian Lance Taylor  <iant@google.com>
7596
7597         * gold.cc (queue_middle_tasks): Fix formatting.
7598         * object.cc (Relobj::is_section_name_included): Likewise.
7599
7600 2009-12-23  Ian Lance Taylor  <iant@google.com>
7601
7602         * i386.cc (Target_i386::do_calls_non_split): Recognize
7603         -fsplit-stack prologue for a function with a static chain.
7604         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7605         -fsplit-stack prologue when using %r11.
7606
7607 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7608
7609         * options.cc (General_options::parse_version): Make -v continue and do
7610         the link like GNU ld does.
7611
7612 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7613
7614         * Makefile.am (CCFILES): Add timer.cc.
7615         (HFILES): Add timer.h.
7616         * configure.ac: Check for sysconf and times.
7617         * main.cc: include timer.h.
7618         (main): Use Timer instead of get_run_time.
7619         * timer.cc: New.
7620         * timer.h: New.
7621         * workqueue.cc: include timer.h.
7622         (Workqueue::find_and_run_task):
7623         Report user, sys and wall time.
7624         * Makefile.in: Regenerate.
7625         * config.in: Regenerate.
7626         * configure: Regenerate.
7627
7628 2009-12-16  Doug Kwan  <dougkwan@google.com>
7629
7630         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7631         sections.
7632         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7633         relaxed input sections.
7634         * output.cc (Output_section::find_relaxed_input_section): Change
7635         return type to Output_relaxed_input_section pointer.  Adjust code
7636         for new type of relaxed_input_section_map_.
7637         * output.h (Output_section::find_relaxed_input_section): Change
7638         return type to Output_relaxed_input_section pointer.
7639         (Output_section::Output_relaxed_input_section_by_input_section_map):
7640         New type.
7641         (Output_section::relaxed_input_section_map_): Change type to
7642         Output_section::Output_relaxed_input_section_by_input_section_map.
7643         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7644         input section.
7645
7646 2009-12-15  Ian Lance Taylor  <iant@google.com>
7647
7648         * layout.cc (Layout::create_shstrtab): Only write out after input
7649         sections if we are compressing debug sections.
7650
7651 2009-12-15  Ian Lance Taylor  <iant@google.com>
7652
7653         * archive.cc (Archive::add_symbols): Only look up a symbol without
7654         a version if there is, in fact, a version.
7655
7656 2009-12-14  Ian Lance Taylor  <iant@google.com>
7657
7658         Revert -Wshadow changes, all changes from:
7659         2009-12-11  Doug Kwan  <dougkwan@google.com>
7660         2009-12-11  Nick Clifton  <nickc@redhat.com>
7661         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7662
7663 2009-12-11  Doug Kwan  <dougkwan@google.com>
7664
7665         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7666         due to -Wshadow.
7667         * attributes.cc (Object_attribute::size): Ditto.
7668         (Attributes_section_data::size): Ditto.
7669         (Attributes_section_data::Attributes_section_data): Ditto.
7670         (Output_attributes_section_data::do_write): Ditto.
7671         * attributes.h (Object_attribute::set_type): Ditto.
7672         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7673
7674 2009-12-11  Nick Clifton  <nickc@redhat.com>
7675
7676         * archive.cc: Fix shadowed variable warnings.
7677         * arm.cc: Likewise.
7678         * compressed_output.cc: Likewise.
7679         * compressed_output.h: Likewise.
7680         * configure: Likewise.
7681         * dwarf_reader.cc: Likewise.
7682         * dynobj.cc: Likewise.
7683         * dynobj.h: Likewise.
7684         * ehframe.cc: Likewise.
7685         * ehframe.h: Likewise.
7686         * errors.cc: Likewise.
7687         * expression.cc: Likewise.
7688         * fileread.cc: Likewise.
7689         * fileread.h: Likewise.
7690         * freebsd.h: Likewise.
7691         * i386.cc: Likewise.
7692         * icf.cc: Likewise.
7693         * incremental.h: Likewise.
7694         * layout.cc: Likewise.
7695         * layout.h: Likewise.
7696         * mapfile.cc: Likewise.
7697         * merge.cc: Likewise.
7698         * merge.h: Likewise.
7699         * object.cc: Likewise.
7700         * object.h: Likewise.
7701         * options.h: Likewise.
7702         * output.cc: Likewise.
7703         * output.h: Likewise.
7704         * parameters.cc: Likewise.
7705         * plugin.cc: Likewise.
7706         * powerpc.cc: Likewise.
7707         * reduced_debug_output.cc: Likewise.
7708         * reduced_debug_output.h: Likewise.
7709         * reloc.cc: Likewise.
7710         * reloc.h: Likewise.
7711         * resolve.cc: Likewise.
7712         * script-sections.cc: Likewise.
7713         * script.cc: Likewise.
7714         * script.h: Likewise.
7715         * sparc.cc: Likewise.
7716         * symtab.cc: Likewise.
7717         * symtab.h: Likewise.
7718         * target-select.cc: Likewise.
7719         * target-select.h: Likewise.
7720         * token.h: Likewise.
7721         * workqueue.cc: Likewise.
7722         * workqueue.h: Likewise.
7723         * x86_64.cc: Likewise.
7724
7725 2009-12-10  Doug Kwan  <dougkwan@google.com>
7726
7727         * arm.cc (attributes.h): New include.
7728         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7729         (Arm_relobj::~Arm_relobj): Delete object pointed by
7730         attributes_section_data_.
7731         (Arm_relobj::attributes_section_data): New method definition.
7732         (Arm_relobj::attributes_section_data_): New data member declaration.
7733         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7734         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7735         attributes_section_data_.
7736         (Arm_dynobj::attributes_section_data): New method definition.
7737         (Arm_dynobj::attributes_section_data_): New data member declaration.
7738         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7739         initialization value of may_use_blx_ to false.
7740         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7741         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7742         object attributes to compute results instead of hard-coding.
7743         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7744         Target_arm::get_secondary_compatible_arch,
7745         Target_arm::set_secondary_compatible_arch
7746         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7747         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7748         New method declarations.
7749         (Target_arm::get_aeabi_object_attribute): New method definition.
7750         (Target_arm::attributes_section_data_): New data member declaration.
7751         (read_arm_attributes_section): New template definition.
7752         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7753         (Arm_dynobj::do_read_symbols): Ditto.
7754         (Target_arm::do_finalize_sections): Merge attributes sections from
7755         input.  Check for BLX use after attributes section merging.
7756         Fix __exidx_start and __exidx_end visibility.  Create an
7757         .ARM.attributes section if necessary.
7758         (Target_arm::get_secondary_compatible_arch,
7759         Target_arm::set_secondary_compatible_arch,
7760         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7761         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7762         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7763         New method definitions.
7764
7765 2009-12-09  Ian Lance Taylor  <iant@google.com>
7766
7767         * plugin.cc (Plugin::load): Don't cast from void* to a function
7768         pointer.
7769
7770 2009-12-09  Ian Lance Taylor  <iant@google.com>
7771
7772         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7773         information fields.
7774
7775 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7776
7777         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7778         Replace two_file_shared_1.so with two_file_shared_2.so.
7779         * testsuite/Makefile.in: Regenerated.
7780
7781 2009-12-08  Doug Kwan  <dougkwan@google.com>
7782
7783         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7784         (HFILES): Add attributes.h and int_encoding.h.
7785         * Makefile.in: Regenerate.
7786         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7787         function definitions to int_encoding.cc
7788         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7789         prototypes to int_encoding.h
7790         * reduced_debug_output.cc (int_encoding.h): New include.
7791         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7792         function definitions to int_encoding.cc
7793         (insert_into_vector, read_from_pointer): Move template definitions to
7794         int_encoding.h
7795         * attributes.cc: New file.
7796         * attributes.h: New file.
7797         * int_encoding.cc: New file.
7798         * int_encoding.h: New file.
7799
7800 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7801
7802         PR gold/11055
7803         * incremental-dump.cc (dump_incremental_inputs): New.
7804         (main): Use dump_incremental_inputs.
7805
7806 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7807
7808         PR gold/10893
7809         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7810         checking elfcpp::STT_FUNC.
7811         (Target_i386::Relocate::relocate): Likewise.
7812         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7813
7814         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7815         symbols from shared libraries into normal FUNC symbols.
7816
7817         * symtab.h (Symbol): Add is_func and use it.
7818
7819 2009-12-05  Doug Kwan  <dougkwan@google.com>
7820
7821         * arm.cc (Target_arm::arm_info): Initialize new fields
7822         attributes_section and attributes_vendor.
7823         * i386.cc (Target_i386::i386_info): Same.
7824         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7825         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7826         fields attributes_section and attributes_vendor.
7827         * sparc.cc (Target_sparc::sparc_info): Same.
7828         * target.h (Target::attributes_section, Target::attributes_vendor,
7829         Target::is_attributes_section, Target::attribute_arg_type,
7830         Target::attributes_order): New method definitions.
7831         (Target::Target_info::attributes_section,
7832         Target::Target_info::attributes_vendor): New fields.
7833         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7834         virtual method definitions.
7835         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7836         attributes_section and attributes_vendor.
7837         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7838
7839 2009-12-05  Doug Kwan  <dougkwan@google.com>
7840
7841         * arm.cc: Update comments about interworking and stub generation.
7842         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7843         considered as non-PIC.
7844         (Arm_relocate_functions::base_abs): Fix formatting.
7845         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7846         of function to use GOT entry address instead of offset.
7847         (Target_arm::Scan::global): Issue an error if a symbol would need a
7848         PLT does not get one because it is untyped.  Remove code to create
7849         dynamic symbols for relative branches.
7850         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7851         takes unsigned integer instead of boolean.
7852
7853 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7854
7855         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7856         (two_file_test_LDADD): Likewise.
7857         (common_test_1_LDADD): Likewise.
7858         (exception_test_LDADD) Likewise.
7859         (weak_test_LDADD): Likewise.
7860         (many_sections_test_LDADD): Likewise.
7861         (initpri1_LDADD): Likewise.
7862         (script_test_1_LDADD): Likewise.
7863         (script_test_2_LDADD): Likewise.
7864         (justsyms_LDADD): Likewise.
7865         (binary_test_LDADD): Likewise.
7866         (large_LDADD): Likewise.
7867         * testsuite/Makefile.in: Regenerated.
7868
7869 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7870
7871         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7872         (Symbol_table::override_with_special): Likewise.
7873         (Symbol_table::add_from_object): Likewise.
7874
7875 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7876
7877         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7878         Don't set the data_offset twice.
7879
7880 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7881
7882         * testsuite/Makefile.in: Regenerate.
7883
7884 2009-12-03  Doug Kwan  <dougkwan@google.com>
7885
7886         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7887         (Target_arm::do_finalize_sections): Add parameter for symbol table
7888         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7889         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7890         parameter for symbol table pointer.
7891         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7892         an additional parameter for a pointer to symbol table.
7893         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7894         parameter for a symbol table pointer.
7895         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7896         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7897         Ditto.
7898         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7899         parameter for a symbol table pointer.
7900
7901 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7902
7903         * incremental.cc (Incremental_inputs_header)
7904         (Incremental_inputs_header_write, Incremental_inputs_entry)
7905         (Incremental_inputs_entry_write): Move ...
7906         * incremental.h (Incremental_inputs_header)
7907         (Incremental_inputs_header_write, Incremental_inputs_entry)
7908         (Incremental_inputs_entry_write): here.
7909
7910 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7911
7912         * incremental.cc (make_sized_incremental_binary): Set the target.
7913         Error if it is incompatible.
7914         * output.h (Output_file): Add filename method.
7915
7916 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7917
7918         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7919         from the get_* methods.
7920
7921 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7922
7923         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7924         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7925         Write 0 for the data_offset of scripts.
7926
7927 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7928
7929         * testsuite/Makefile.am: Add the incremental_test.sh test.
7930         * testsuite/incremental_test.sh: New.
7931         * testsuite/incremental_test_1.c: New.
7932         * testsuite/incremental_test_2.c: New.
7933
7934 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7935
7936        * incremental-dump.cc (main): Fix typos.
7937
7938 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7939
7940         PR gold/11025
7941         * incremental-dump.cc (main): Use llu to print 64 bit values.
7942
7943 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7944             H.J. Lu  <hongjiu.lu@intel.com>
7945
7946         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7947         $(LIBDL).
7948         (incremental_dump_LDADD): Likewise.
7949         * Makefile.in: Regenerated.
7950
7951 2009-11-25  Doug Kwan  <dougkwan@google.com>
7952
7953         Revert:
7954
7955         2009-11-25  Doug Kwan  <dougkwan@google.com>
7956
7957                 * arm.cc (Target_arm::Target_arm): Move method definition
7958                 outside of class definition.  Add code to handle
7959                 --target1-rel, --target1-abs and --target2= options.
7960                 (Target_arm::get_reloc_reloc_type): Change method to be
7961                 non-static and const.
7962                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7963                 New data member declaration.
7964                 (Target_arm::Scan::local, Target_arm::Scan::global,
7965                 Target_arm::Relocate::relocate,
7966                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7967                 Adjust call to Target_arm::get_real_reloc_type.
7968                 (Target_arm::get_real_reloc_type): Use command line options
7969                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7970                 * options.h (--target1-rel, --target1-abs, --target2): New
7971                 ARM-only options.
7972
7973 2009-11-25  Doug Kwan  <dougkwan@google.com>
7974
7975         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7976         class definition.  Add code to handle --target1-rel, --target1-abs
7977         and --target2= options.
7978         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7979         and const.
7980         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7981         member declaration.
7982         (Target_arm::Scan::local, Target_arm::Scan::global,
7983         Target_arm::Relocate::relocate,
7984         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7985         call to Target_arm::get_real_reloc_type.
7986         (Target_arm::get_real_reloc_type): Use command line options to
7987         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7988         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7989         options.
7990
7991 2009-11-25  Doug Kwan  <dougkwan@google.com>
7992
7993         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7994         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7995         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7996         formatting.
7997         (Arm_relocate_functions::thm_call): Replace body with a call to
7998         Arm_relocate_functions::thumb_branch_common.
7999         (Arm_relocate_functions::thm_jump24,
8000         Arm_relocate_functions::thm_xpc22): New method definitions.
8001         (Arm_relocate_functions::thumb_branch_common): New method definition.
8002         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8003         operator.
8004         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8005         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8006
8007 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8008
8009         * Makefile.am: Build incremental-dump
8010         * Makefile.in: Regenerate.
8011         * incremental-dump.cc: New.
8012         * incremental.cc (Incremental_inputs_header_data,
8013         Incremental_inputs_entry_data): Move to incremental.h
8014         * incremental.h: (Incremental_inputs_header_data,
8015         Incremental_inputs_entry_data): Move from incremental.cc
8016
8017 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8018
8019         * incremental.cc (Incremental_inputs_header,
8020         Incremental_inputs_header_write, Incremental_inputs_entry,
8021         Incremental_inputs_entry_write): Add a typedef with the data type.
8022
8023 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8024
8025         * incremental.cc (Incremental_inputs_header,
8026         Incremental_inputs_header_write, Incremental_inputs_entry,
8027         Incremental_inputs_entry_write): Update comment about which
8028         type has the filed descriptions.
8029
8030 2009-11-15  Doug Kwan  <dougkwan@google.com>
8031
8032         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8033         (Arm_relocate_functions::arm_branch_common): Change method defintion
8034         in class definition to a method declaration and update list of formal
8035         parameters.
8036         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8037         Arm_relocation_functions::jump24): Adjust call to
8038         Arm_relocate_functions::arm_branch_common.  Update list of formal
8039         parameters.
8040         (Arm_relocate_functions::xpc25): New method definition.
8041         (Arm_relocate_functions::arm_branch_common): Move method defintion
8042         out from class definition.  Use stubs for mode-switching and extending
8043         branch ranges.
8044         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8045         specially.  Change code to enable use of stubs in ARM branches.
8046
8047 2009-11-10  Doug Kwan  <dougkwan@google.com>
8048
8049         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8050         in method declaration.
8051         (Target_arm::relocate_stub): New method declaration.
8052         (Target_arm::default_target): Change to return a pointer instead of
8053         a const reference.
8054         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8055         Target_arm::default_target.
8056         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8057         method definition.
8058         (Target_arm::relocate_section): Adjust view.
8059         (Target_arm::relocate_stub): New method definition.
8060
8061 2009-11-10  Doug Kwan  <dougkwan@google.com>
8062
8063         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8064         a format warning.
8065         * incremental.cc (open_incremental_binary): Initialized local
8066         variables to avoid warnings.
8067         * object.cc (make_elf_object): Ditto.
8068         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8069         a format warning.
8070
8071 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8072
8073         PR gold/10930
8074         * testsuite/plugin_test.c: Include "config.h".
8075
8076 2009-11-09  Doug Kwan  <dougkwan@google.com>
8077
8078         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8079         (arm_symbol_value): Remove.
8080         (Arm_relocate_functions::arm_branch_common,
8081         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8082         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8083         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8084         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8085         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8086         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8087         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8088         Arm_relocate_functions::thm_mobw_abs_nc,
8089         Arm_relocate_functions::thm_mov_abs,
8090         Arm_relocate_functions::movw_prel_nc,
8091         Arm_relocate_functions::thm_movt_abs,
8092         Arm_relocate_functions::movt_prel,
8093         Arm_relocate_functions::thm_movw_prel_nc,
8094         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8095         (Target_arm::Relocate::relocate): Only decompose address into two
8096         parts if relocation type uses the thumb-bit and pass the actual
8097         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8098         calls to methods in Arm_relocate_functions for this change.
8099
8100 2009-11-08  Ian Lance Taylor  <iant@google.com>
8101
8102         PR 10925
8103         * reloc.cc: Instantiate
8104         Sized_relobj::initialize_input_to_output_maps and
8105         Sized_relobj:free_input_to_output_maps.
8106
8107 2009-11-06  Ian Lance Taylor  <iant@google.com>
8108
8109         PR 10876
8110         * defstd.cc (in_segment): Set only_if_ref true for "end".
8111
8112 2009-11-06  Doug Kwan  <dougkwan@google.com>
8113
8114         * arm.cc (class Reloc_stub): Correct a comment.
8115         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8116         (Target_arm::scan_section_for_stubs): New method declaration.
8117         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8118         Change methods from private to protected.
8119         (Target_arm::do_may_relax): New method definition.
8120         (Target_arm::do_relax, Target_arm::group_sections,
8121         Target_arm::scan_reloc_for_stub,
8122         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8123         (Target_arm::arm_input_section_map_): New data member declaration.
8124         (Target_arm::scan_reloc_for_stub,
8125         Target_arm::scan_reloc_section_for_stubs,
8126         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8127         Target_arm::do_relax): New method definitions.
8128
8129 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8130
8131         * configure.ac: Check for (struct stat)::st_mtim
8132         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8133         * config.in: Regenerate.
8134         * configure: Regenerate.
8135
8136 2009-11-05  Ian Lance Taylor  <iant@google.com>
8137
8138         PR 10910
8139         * output.cc (Output_segment::add_output_section): Add missing
8140         return statement.
8141
8142 2009-11-04  Ian Lance Taylor  <iant@google.com>
8143
8144         PR 10880
8145         * object.h (class Object): Add is_needed and set_is_needed
8146         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8147         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8148         defined in a dynamic object and referenced by a regular object,
8149         set is_needed for the dynamic object.
8150         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8151         if the file is marked with as_needed and it is not needed.
8152
8153 2009-11-04  Ian Lance Taylor  <iant@google.com>
8154
8155         PR 10887
8156         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8157         tags if data is discarded by linker script.
8158         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8159         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8160         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8161         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8162
8163 2009-11-04  Ian Lance Taylor  <iant@google.com>
8164
8165         * layout.cc (Layout::get_output_section): Add is_interp and
8166         is_dynamic_linker_section parameters.  Change all callers.
8167         (Layout::choose_output_section): Likewise.
8168         (Layout::make_output_section): Likewise.
8169         (Layout::add_output_section_data): Add is_dynamic_linker_section
8170         parameter.  Change all callers.
8171         * layout.h (class Layout): Update declarations.
8172         * output.h (class Output_section): Add is_interp, set_is_interp,
8173         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8174         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8175         generate_code_fills_at_write_ to a bitfield.
8176         * output.cc (Output_section::Output_sections): Initialize new
8177         fields.
8178         (Output_segment::add_output_section): Add do_sort parameter.
8179         Change all callers.
8180
8181 2009-11-03  Ian Lance Taylor  <iant@google.com>
8182
8183         PR 10860
8184         * options.h (class General_options): Add --warn-common.
8185         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8186         merging two common symbols.
8187         (Symbol_table::should_override): Handle --warn-common when merging
8188         a common symbol with a defined symbol.  Use report_resolve_problem
8189         for multiple definitions.
8190         (Symbol_table::report_resolve_problem): New function.
8191         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8192
8193 2009-11-03  Doug Kwan  <dougkwan@google.com>
8194
8195         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8196         stub_factory_.
8197         (Target_arm::stub_factory): New method definition.
8198         (Target_arm::new_arm_input_section,
8199         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8200         Target_arm::reloc_uses_thumb_bit): New method declarations.
8201         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8202         New type definitions.
8203         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8204         member declarations.
8205         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8206         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8207         New method definitions.
8208
8209 2009-11-03  Ian Lance Taylor  <iant@google.com>
8210
8211         * options.h (class General_options): Add --warn_constructors.
8212
8213 2009-11-03  Ian Lance Taylor  <iant@google.com>
8214
8215         PR 10893
8216         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8217         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
8218
8219 2009-11-03  Ian Lance Taylor  <iant@google.com>
8220
8221         PR 10895
8222         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
8223         --msgid-bugs-address.
8224         (install-pdf): New target.
8225         (install-data_yes): Look up one directory to find mkinstalldirs.
8226
8227 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
8228
8229         * po/Make-in (.po.gmo): Don't generate .gmo files in source
8230         tree.
8231
8232 2009-10-30  Doug Kwan  <dougkwan@google.com>
8233
8234         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8235
8236 2009-10-30  Doug Kwan  <dougkwan@google.com>
8237
8238         * arm.cc (Stub_addend_reader): New struct template definition
8239         and partial specializations.
8240         (Stub_addend_reader::operator()): New method definition for a
8241         partially specialized template.
8242
8243 2009-10-30  Doug Kwan  <dougkwan@google.com>
8244
8245         * arm.cc (Arm_relobj::processor_specific_flags): New method
8246         definition.
8247         (Arm_relobj::do_read_symbols): New method declaration.
8248         (Arm_relobj::processor_specific_flags_): New data member declaration.
8249         (Arm_dynobj): New class definition.
8250         (Target_arm::do_finalize_sections): Add input_objects parameter.
8251         (Target_arm::do_adjust_elf_header): New method declaration.
8252         (Target_arm::are_eabi_versions_compatible,
8253         (Target_arm::merge_processor_specific_flags): New method declaration.
8254         (Target_arm::do_make_elf_object): New overloaded method definitions
8255         and declaration.
8256         (Arm_relobj::do_read_symbols): New method definition.
8257         (Arm_dynobj::do_read_symbols): Ditto.
8258         (Target_arm::do_finalize_sections): Add input_objects parameters.
8259         Merge processor-specific flags from all input objects.
8260         (Target_arm::are_eabi_versions_compatible,
8261         Target_arm::merge_processor_specific_flags,
8262         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8263         New method definitions.
8264         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8265         Input_objects pointer type parameter.
8266         * layout.cc (Layout::finalize): Pass input objects to target's.
8267         finalize_sections function.
8268         * output.cc (Output_file_header::do_sized_write): Set ELF file
8269         header's processor-specific flags.
8270         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8271         Input_objects pointer type parameter.
8272         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8273         * target.h (Input_objects): New forward class declaration.
8274         (Target::processor_specific_flags,
8275         Target::are_processor_specific_flags_sect): New method definitions.
8276         (Target::finalize_sections): Add input_objects parameter.
8277         (Target::Target): Initialize processor_specific_flags_ and
8278         are_processor_specific_flags_set_.
8279         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
8280         parameter.
8281         (Target::set_processor_specific_flags): New method definition.
8282         (Target::processor_specific_flags_,
8283         Target::are_processor_specific_flags_set_): New data member
8284         declarations.
8285         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
8286         Input_objects pointer type parameter.
8287
8288 2009-10-30  Doug Kwan  <dougkwan@google.com>
8289
8290         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
8291
8292 2009-10-28  Ian Lance Taylor  <iant@google.com>
8293
8294         * object.h (class Relobj): Drop options parameter from
8295         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
8296         do_scan_relocs, do_relocate.  Change all callers.
8297         (class Sized_relobj): Drop options parameters from
8298         do_gc_process_relocs, do_scan_relocs, do_relocate,
8299         do_relocate_sections, relocate_sections, emit_relocs_scan,
8300         emit_relocs_scan_reltype.  Change all callers.
8301         (struct Relocate_info): Remove options field and all references to
8302         it.
8303         * reloc.h (class Read_relocs): Remove options constructor
8304         parameter and options_ field.  Change all callers.
8305         (class Gc_process_relocs, class Scan_relocs): Likewise.
8306         (class Relocate_task): Likewise.
8307         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8308         all callers.
8309         (scan_relocatable_relocs): Likewise.
8310         * target.h (class Sized_target): Remove options parameter from
8311         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8312         all callers.
8313         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8314         callers.
8315         * arm.cc: Update functions to remove options parameters.
8316         * i386.cc: Likewise.
8317         * powerpc.cc: Likewise.
8318         * sparc.cc: Likewise.
8319         * x86_64.cc: Likewise.
8320         * testsuite/testfile.cc: Likewise.
8321
8322 2009-10-28  Doug Kwan  <dougkwan@google.com>
8323
8324         * arm.cc (Arm_relobj): New class definition.
8325         (Arm_relobj::scan_sections_for_stubs,
8326         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8327         New method definitions.
8328
8329 2009-10-28  Cary Coutant  <ccoutant@google.com>
8330
8331         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8332         (Plugin::cleanup_done_): New member.
8333         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8334         (Plugin_manager::cleanup_done_): Remove.
8335         (Plugin_manager::add_input_file): Edit error message.
8336         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8337         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8338
8339 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8340
8341         * fileread.cc: (File_read::View::~View): Use the new
8342         data_ownership_ filed.
8343         (File_read::~File_read): Dispose the new whole_file_view_.
8344         (File_read::open): Mmap the whole file if needed.
8345         (File_read::open): Use whole_file_view_ instead of contents_.
8346         (File_read::find_view): Use whole_file_view_ if applicable.
8347         (File_read::do_read): Use whole_file_view_ instead of contents_.
8348         (File_read::make_view): Use whole_file_view_ instead of contents_,
8349         update File_read::View::View call.
8350         (File_read::find_or_make_view): Update File_read::View::View
8351         call.
8352         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8353         remove contents_
8354         (File_read::View::Data_ownership): New enum.
8355         (File_read::View::View): Replace bool mapped_ with Data_ownership
8356         argument.
8357         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8358         (File_read::View::data_ownership_): New field.
8359         (File_read::contents_): Remove (replaced by whole_file_view_).
8360         (File_read::whole_file_view_): New field.
8361         * options.h (class General_options): Add --keep-files-mapped.
8362
8363 2009-10-27  Cary Coutant  <ccoutant@google.com>
8364
8365         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8366         * testsuite/Makefile.am (plugin_test_5): New test case.
8367         * testsuite/Makefile.in: Regenerate.
8368
8369 2009-10-25  Doug Kwan  <dougkwan@google.com>
8370
8371         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8372         from private to protected to allow access by child class.
8373         (Sized_relobj::do_relocate_sections): New method declaration.
8374         (Sized_relobj::relocate_sections): Virtualize.
8375         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8376         Sized_relobj::relocate_sections.  Instantiate template explicitly
8377         for different target sizes and endianity.
8378
8379 2009-10-24  Doug Kwan  <dougkwan@google.com>
8380
8381         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8382         (Arm_input_section::as_arm_input_section): New method.
8383         (Arm_output_section): New class definition.
8384         (Arm_output_section::create_stub_group,
8385         Arm_output_section::group_sections): New method definitions.
8386
8387 2009-10-22  Doug Kwan  <dougkwan@google.com>
8388
8389         * arm.cc (Arm_input_section): New class definition.
8390         (Arm_input_section::init, Arm_input_section:do_write,
8391         Arm_input_section::set_final_data_size,
8392         Arm_input_section::do_reset_address_and_file_offset): New method
8393         definitions.
8394
8395 2009-10-21  Doug Kwan  <dougkwan@google.com>
8396
8397         * arm.cc (Stub_table, Arm_input_section): New forward class
8398         declarations.
8399         (Stub_table): New class defintion.
8400         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8401         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8402         New method definition.
8403
8404 2009-10-21  Doug Kwan  <dougkwan@google.com>
8405
8406         * arm.cc: Update copyright comments.
8407         (Target_arm): New forward class template declaration.
8408         (Arm_address): New type.
8409         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8410         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8411         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8412         constants.
8413         (Insn_template): Same.
8414         (DEF_STUBS): New macro.
8415         (Stub_type): New enum type.
8416         (Stub_template): New class definition.
8417         (Stub): Same.
8418         (Reloc_stub): Same.
8419         (Stub_factory): Same.
8420         (Target_arm::Target_arm): Initialize may_use_blx_ and
8421         should_force_pic_veneer_.
8422         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8423         Target_arm::should_force_pic_veneer,
8424         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8425         Target_arm::using_thumb_only, Target_arm:;default_target): New
8426         method defintions.
8427         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8428         New data member declarations.
8429         (Insn_template::size, Insn_template::alignment): New method defintions.
8430         (Stub_template::Stub_template): New method definition.
8431         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8432         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8433         (Stub_factory::Stub_factory): New method definition.
8434         * gold.h (string_hash): New template.
8435         * output.h (Input_section_specifier::hash_value): Use
8436         gold::string_hash.
8437         (Input_section_specifier::string_hash): Remove.
8438         * stringpool.cc (Stringpool_template::string_hash): Use
8439         gold::string_hash.
8440
8441 2009-10-20  Doug Kwan  <dougkwan@google.com>
8442
8443         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8444         symbols of relaxed input sections.
8445         * output.h (Output_section::find_relaxed_input_section): Make
8446         method public.
8447
8448 2009-10-16  Doug Kwan  <dougkwan@google.com>
8449
8450         * dynobj.cc (Versions::Versions): Initialize version_script_.
8451         Only insert base version symbol definition for a shared object
8452         if version script defines any version versions.
8453         (Versions::define_base_version): New method definition.
8454         (Versions::add_def): Check that base version is not needed.
8455         (Versions::add_need): Define base version lazily.
8456         * dynobj.h (Versions::define_base_version): New method declaration.
8457         (Versions::needs_base_version_): New data member declaration.
8458         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8459         (check_DATA): Add no_version_test.stdout.
8460         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8461         New make rules.
8462         * testsuite/Makefile.in: Regenerate.
8463         * testsuite/no_version_test.c: New file.
8464         * testsuite/no_version_test.sh: Ditto.
8465
8466 2009-10-16  Doug Kwan  <dougkwan@google.com>
8467
8468         * expression.cc (class Segment_start_expression): New class definition.
8469         (Segment_start_expression::value): New method definition.
8470         (script_exp_function_segment_start): Return a new
8471         Segment_start_expression.
8472         * gold/script-c.h (script_saw_segment_start_expression): New function
8473         prototype.
8474         * script-sections.cc (Script_sections::Script_sections): Initialize
8475         SAW_SEGMENT_START_EXPRESSION_ to false.
8476         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8477         and -Tbbs options to specify section addresses if given in
8478         command line and no SEGMENT_START expression is seen in a script.
8479         * script-sections.h (Script_sections::saw_segment_start_expression,
8480         Script_sections::set_saw_segment_start_expression): New method
8481         definition.
8482         (Script_sections::saw_segment_start_expression_): New data member
8483         declaration.
8484         * script.cc (script_saw_segment_start_expression): New function.
8485         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8486         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8487         script_test_7.sh and script_test_8.sh.
8488         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8489         script_test_8.stdout.
8490         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8491         (script_test_6, script_test_6.stdout, script_test_7,
8492         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8493         * Makefile.in: Regenerate.
8494         * testsuite/script_test_6.sh: New file.
8495         * testsuite/script_test_6.t: Same.
8496         * testsuite/script_test_7.sh: Same.
8497         * testsuite/script_test_7.t: Same.
8498         * testsuite/script_test_8.sh: Same.
8499
8500 2009-10-16  Doug Kwan  <dougkwan@google.com>
8501
8502         * output.cc (Output_segment::set_section_list_address): Cast
8503         expressions to unsigned long long type to avoid format warnings.
8504
8505 2009-10-15  Ian Lance Taylor  <iant@google.com>
8506
8507         * script.cc (Script_options::add_symbol_assignment): Always add a
8508         dot assignment to script_sections_.
8509         * script-sections.cc (Script_sections::add_dot_assignment):
8510         Initialize if necessary.
8511
8512         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8513         program headers with no load segment if there is a linker script.
8514
8515         * layout.cc (Layout::set_segment_offsets): Align the file offset
8516         to the segment aligment for -N or -n with no load segment.
8517         * output.cc (Output_segment::add_output_section): Don't crash if
8518         the first section is a TLS section.
8519         (Output_segment::set_section_list_addresses): Print an error
8520         message if the address moves backward in a linker script.
8521         * script-sections.cc
8522         (Output_section_element_input::set_section_addresses): Don't
8523         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8524         (Orphan_output_section::set_section_addresses): Likewise.
8525
8526 2009-10-15  Doug Kwan  <dougkwan@google.com>
8527
8528         * layout.cc (Layout::finish_dynamic_section): Generate tags
8529         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8530         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8531         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8532
8533 2009-10-14  Ian Lance Taylor  <iant@google.com>
8534
8535         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8536         fields.
8537         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8538         data_shdr fields of relinfo.
8539         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8540         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8541         R_386_TLS_LDO_32, adjust based on section flags.
8542         (Target_i386::Relocate::fix_up_ldo): Remove.
8543
8544 2009-10-13  Ian Lance Taylor  <iant@google.com>
8545
8546         Add support for -pie.
8547         * options.h (class General_options): Add -pie and
8548         --pic-executable.
8549         (General_options::output_is_position_independent): Test -pie.
8550         (General_options::output_is_executable): Return true if not shared
8551         and not relocatable.
8552         (General_options::output_is_pie): Remove.
8553         * options.cc (General_options::finalize): Reject incompatible uses
8554         of -pie.
8555         * gold.cc (queue_middle_tasks): A -pie link is not static.
8556         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8557         * symtab.cc (Symbol::final_value_is_known): Return false if
8558         output_is_position_independent.
8559         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8560         output_is_position_independent.
8561         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8562         output_is_position_independent.
8563         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8564         output_is_position_independent.
8565         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8566         two_file_pie_test.
8567         (basic_pie_test.o, basic_pie_test): New targets.
8568         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8569         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8570         (two_file_pie_test): New target.
8571         * testsuite/Makefile.in: Rebuild.
8572         * README: Remove note saying that -pie is not supported.
8573
8574 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8575
8576         * options.h (class General_options): Add -init and -fini.
8577         * layout.cc (Layout::finish_dynamic_section): Emit
8578         given init and fini functions.
8579
8580 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8581
8582         * gc.h (gc_process_relocs): Check if icf is enabled using new
8583         function.
8584         * gold.cc (queue_initial_tasks): Likewise.
8585         (queue_middle_tasks): Likewise.
8586         * object.cc (do_layout): Likewise.
8587         * symtab.cc (is_section_folded): Likewise.
8588         * main.cc (main): Likewise.
8589         * reloc.cc (Read_relocs::run): Likewise.
8590         (Sized_relobj::do_scan_relocs): Likewise.
8591         * icf.cc (is_function_ctor_or_dtor): New function.
8592         (Icf::find_identical_sections): Check if function is ctor or dtor when
8593         safe icf is chosen.
8594         * options.h (General_options::icf): Change option to be an enum.
8595         (Icf_status): New enum.
8596         (icf_enabled): New method.
8597         (icf_safe_folding): New method.
8598         (set_icf_status): New method.
8599         (icf_status_): New variable.
8600         * (options.cc) (General_options::finalize): Set icf_status_.
8601         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8602         icf_test and icf_keep_unique_test to use the --icf enum flag.
8603         * testsuite/icf_safe_test.sh: New file.
8604         * testsuite/icf_safe_test.cc: New file.
8605
8606 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8607
8608         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8609         includes to gc.h and icf.h.
8610         * arm.cc: Include gc.h.
8611         * gold.cc: Likewise.
8612         * i386.cc: Likewise.
8613         * powerpc.cc: Likewise.
8614         * sparc.cc: Likewise.
8615         * x86_64.cc: Likewise.
8616         * gc.h: Include icf.h.
8617
8618 2009-10-11  Ian Lance Taylor  <iant@google.com>
8619
8620         * plugin.cc: Include "gold.h" before other header files.
8621
8622 2009-10-10  Chris Demetriou  <cgd@google.com>
8623
8624         * options.h (Input_file_argument::Input_file_type): New enum.
8625         (Input_file_argument::is_lib_): Replace with...
8626         (Input_file_argument::type_): New member.
8627         (Input_file_argument::Input_file_argument): Take Input_file_type
8628         'type' rather than boolean 'is_lib' as second argument.
8629         (Input_file_argument::is_lib): Use type_.
8630         (Input_file_argument::is_searched_file): New function.
8631         (Input_file_argument::may_need_search): Handle is_searched_file.
8632         * options.cc (General_options::parse_library): Support -l:filename.
8633         (General_options::parse_just_symbols): Update for Input_file_argument
8634         changes.
8635         (Command_line::process): Likewise.
8636         * archive.cc (Archive::get_file_and_offset): Likewise.
8637         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8638         * script.cc (read_script_file, script_add_file): Likewise.
8639         * fileread.cc (Input_file::Input_file): Likewise.
8640         (Input_file::will_search_for): Handle is_searched_file.
8641         (Input_file::open): Likewise.
8642         * readsyms.cc (Read_symbols::get_name): Likewise.
8643         * testsuite/Makefile.am (searched_file_test): New test.
8644         * testsuite/Makefile.in: Regenerate.
8645         * testsuite/searched_file_test.cc: New file.
8646         * testsuite/searched_file_test_lib.cc: New file.
8647
8648 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8649             Ian Lance Taylor  <iant@google.com>
8650
8651         * descriptor.cc: Include <cstdio> and "binary-io.h".
8652         (Descriptors::open): Open the files in binary mode always.
8653         * script.cc (Lex::get_token): Treat \r as whitespace.
8654
8655 2009-10-09  Ian Lance Taylor  <iant@google.com>
8656
8657         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8658
8659 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8660             Ian Lance Taylor  <iant@google.com>
8661
8662         * configure.ac: Check for readv function also.
8663         * fileread.cc (readv): Define if not HAVE_READV.
8664         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8665         does not exist.
8666         * config.in: Regenerate.
8667         * configure: Regenerate.
8668
8669 2009-10-09  Doug Kwan  <dougkwan@google.com>
8670
8671         * layout.cc (Layout::make_output_section): Call target hook to make
8672         ordinary output section.
8673         (Layout::finalize): Adjust parameter list of call the
8674         Target::may_relax().
8675         * layout.h (class Layout::section_list): New method.
8676         * merge.h (Output_merge_base::entsize): Change visibility to public.
8677         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8678         New methods.
8679         (Output_merge_string::do_is_string): New method.
8680         * object.cc (Sized_relobj::do_setup): renamed from
8681         Sized_relobj::set_up.
8682         * object.h (Sized_relobj::adjust_shndx,
8683         Sized_relobj::initializ_input_to_output_maps,
8684         Sized_relobj::free_input_to_output_maps): Change visibilities to
8685         protected.
8686         (Sized_relobj::setup): Virtualize.
8687         (Sized_relobj::do_setup): New method declaration.
8688         (Sized_relobj::invalidate_section_offset,
8689         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8690         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8691         * options.cc (parse_int): New function.
8692         * options.h (parse_int): New declaration.
8693         (DEFINE_int): New macro.
8694         (stub_group_size): New option.
8695         * output.cc (Output_section::Output_section): Initialize memebers
8696         merge_section_map_, merge_section_by_properties_map_,
8697         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8698         (Output_section::add_input_section): Handled deferred code-fill
8699         generation and remove an old comment.
8700         (Output_section::add_relaxed_input_section): New method definition.
8701         (Output_section::add_merge_input_section): Use merge section by
8702         properties map to speed to search.  Update merge section maps
8703         as appropriate.
8704         (Output_section::build_relaxation_map): New method definition.
8705         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8706         Same.
8707         (Output_section::relax_input_section): Renamed to
8708         Output_section::convert_input_sections_to_relaxed_sections and change
8709         interface to take a vector of pointers to relaxed sections.
8710         (Output_section::find_merge_section,
8711         Output_section::find_relaxed_input_section): New method definitions.
8712         (Output_section::is_input_address_mapped,
8713         Output_section::output_offset, Output_section::output_address):
8714         Use output section data maps to speed up searching.
8715         (Output_section::find_starting_output_address): Add comments.
8716         (Output_section::do_write,
8717         Output_section::write_to_postprocessing_buffer): Do code-fill
8718         generation as appropriate.
8719         (Output_section::get_input_sections): Invalidate relaxed input section
8720         map.
8721         (Output_section::restore_states): Adjust type of checkpoint .
8722         Invalidate relaxed input section map.
8723         * output.h (Output_merge_base): New class declaration.
8724         (Input_section_specifier): New class defintion.
8725         (class Output_relaxed_input_section) Change base class to
8726         Output_section_data_build.
8727         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8728         base class initializer.
8729         (Output_section::add_relaxed_input_section): New method declaration.
8730         (Output_section::Input_section): Change visibility to protected.
8731         (Output_section::Input_section::relobj,
8732         Output_section::Input_section::shndx): Handle relaxed input sections.
8733         Output_section::input_sections) Change visibility to protected.  Also
8734         define overload to return a non-const pointer.
8735         (Output_section::Merge_section_properties): New class defintion.
8736         (Output_section::Merge_section_by_properties_map,
8737         Output_section::Output_section_data_by_input_section_map,
8738         Output_section::Relaxation_map): New types.
8739         (Output_section::relax_input_section): Rename method to
8740         Output_section::convert_input_sections_to_relaxed_sections and change
8741         interface to take a vector of relaxed section pointers.
8742         (Output_section::find_merge_section,
8743         Output_section::find_relaxed_input_section,
8744         Output_section::build_relaxation_map,
8745         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8746         New method declarations.
8747         (Output_section::merge_section_map_
8748         Output_section::merge_section_by_properties_map_,
8749         Output_section::relaxed_input_section_map_,
8750         Output_section::is_relaxed_input_section_map_valid_,
8751         Output_section::generate_code_fills_at_write_): New data members.
8752         * script-sections.cc
8753         (Output_section_element_input::set_section_addresses): Call
8754         current_data_size and addralign methods of relaxed input sections.
8755         (Orphan_output_section::set_section_addresses): Call current_data_size
8756         and addralign methods of relaxed input sections.
8757         * symtab.cc (Symbol_table::compute_final_value): Extract template
8758         from the body of Symbol_table::sized_finalize_symbol.
8759         (Symbol_table::sized_finalized_symbol): Call
8760         Symbol_table::compute_final_value.
8761         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8762         (Symbol_table::compute_final_value): New templated method declaration.
8763         * target.cc (Target::do_make_output_section): New method defintion.
8764         * target.h (Target::make_output_section): New method declaration.
8765         (Target::relax): Add more parameters for input objects, symbol table
8766         and layout.  Adjust call to do_relax.
8767         (Target::do_make_output_section): New method declaration.
8768         (Target::do_relax): Add parameters for input objects, symbol table
8769         and layout.
8770
8771 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8772
8773         * pread.c: Include stdio.h.
8774
8775 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8776
8777         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8778         defined.
8779
8780 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8781
8782         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8783         Change read_shndx type to unsigned int.
8784         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8785         int.
8786         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8787         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8788         Change read_shndx type to unsigned int.
8789         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8790         int.
8791         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8792         * layout.cc (Layout::create_symtab_sections): Cast the result of
8793         local_symcount * symsize to off_t in the gold_assert.
8794
8795 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8796
8797         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8798         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8799         R_ARM_BASE_ABS.
8800         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8801         (Arm_relocate_functions::thm_abs5): New function.
8802         (Arm_relocate_functions::abs12): New function.
8803         (Arm_relocate_functions::abs16): New function.
8804         (Arm_relocate_functions::base_abs): New function.
8805         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8806         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8807         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8808         R_ARM_BASE_ABS.
8809         (Scan::global): Likewise.
8810         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8811         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8812         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8813         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8814         R_ARM_BASE_ABS.
8815
8816 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8817
8818         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8819         (Arm_relocate_functions::movt_prel): New function.
8820         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8821         (Arm_relocate_functions::thm_movt_prel): New function.
8822         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8823         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8824         (Scan::global, Relocate::relocate): Likewise.
8825         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8826
8827 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8828
8829         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8830         Incremental_checker.
8831         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8832         unsigned int.
8833         (class Incremental_inputs_header): New class.
8834         (Incremental_inputs_header_writer): Edit comment.
8835         (Incremental_inputs_entry): New class.
8836         (Incremental_inputs_entry_writer): Edit comment.
8837         (Sized_incremental_binary::do_find_incremental_inputs_section):
8838         Add *strtab_shndx parameter, fill it.
8839         (Sized_incremental_binary::do_check_inputs): New method.
8840         (Incremental_checker::can_incrementally_link_output_file): Use
8841         Sized_incremental_binary::check_inputs.
8842         (Incremental_inputs::report_command_line): Save command line in
8843         command_line_.
8844         * incremental.h:
8845         (Incremental_binary::find_incremental_inputs_section): New
8846         method.
8847         (Incremental_binary::do_find_incremental_inputs_section): Add
8848         strtab_shndx parameter.
8849         (Incremental_binary::do_check_inputs): New pure virtual method.
8850         (Sized_incremental_binary::do_check_inputs): Declare.
8851         (Incremental_checker::Incremental_checker): Add incremental_inputs
8852         parameter, use it to initialize incremental_inputs_.
8853         (Incremental_checker::incremental_inputs_): New field.
8854         (Incremental_checker::command_line): New method.
8855         (Incremental_checker::inputs): New method.
8856         (Incremental_checker::command_line_): New field.
8857
8858 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8859
8860         * incremental.cc: Include <cstdarg> and "target-select.h".
8861         (vexplain_no_incremental): New function.
8862         (explain_no_incremental): New function.
8863         (Incremental_binary::error): New method.
8864         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8865         method.
8866         (make_sized_incremental_binary): New function.
8867         (open_incremental_binary): New function.
8868         (can_incrementally_link_file): Add checks if output is ELF and has
8869         inputs section.
8870         * incremental.h: Include "elfcpp_file.h" and "output.h".
8871         (Incremental_binary): New class.
8872         (Sized_incremental_binary): New class.
8873         (open_incremental_binary): Declare.
8874         * object.cc (is_elf_object): Use
8875         elfcpp::Elf_recognizer::is_elf_file.
8876         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8877         * output.h (Output_file::filesize): New method.
8878
8879 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8880
8881         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8882         New function.
8883         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8884         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8885         function.
8886         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8887         function.
8888         (Arm_relocate_functions::movw_abs_nc): New function.
8889         (Arm_relocate_functions::movt_abs): New function.
8890         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8891         (Arm_relocate_functions::thm_movt_abs): New function.
8892         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8893         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8894         (Scan::global): Likewise.
8895         (Relocate::relocate): Likewise.
8896         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8897
8898 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8899
8900         * arm.cc (Arm_relocate_functions::got_prel) New function.
8901         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8902         (Relocate::relocate): Likewise.
8903         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8904
8905 2009-10-06  Ian Lance Taylor  <iant@google.com>
8906
8907         * options.h (class General_options): Define
8908         split_stack_adjust_size parameter.
8909         * object.h (class Object): Add uses_split_stack_ and
8910         has_no_split_stack_ fields.  Add uses_split_stack and
8911         has_no_split_stack accessor functions.  Declare
8912         handle_split_stack_section.
8913         (class Reloc_symbol_changes): Define.
8914         (class Sized_relobj): Define Function_offsets.  Declare
8915         split_stack_adjust, split_stack_adjust_reltype, and
8916         find_functions.
8917         * object.cc (Object::handle_split_stack_section): New function.
8918         (Sized_relobj::do_layout): Call handle_split_stack_section.
8919         * dynobj.cc (Sized_dynobj::do_layout): Call
8920         handle_split_stack_section.
8921         * reloc.cc (Sized_relobj::relocate_sections): Call
8922         split_stack_adjust for executable sections in split_stack
8923         objects.  Pass reloc_map to relocate_section.
8924         (Sized_relobj::split_stack_adjust): New function.
8925         (Sized_relobj::split_stack_adjust_reltype): New function.
8926         (Sized_relobj::find_functions): New function.
8927         * target-reloc.h: Include "object.h".
8928         (relocate_section): Add reloc_symbol_changes parameter.  Change
8929         all callers.
8930         * target.h (class Target): Add calls_non_split method.  Declare
8931         do_calls_non_split virtual method.  Declare match_view and
8932         set_view_to_nop.
8933         * target.cc: Include "elfcpp.h".
8934         (Target::do_calls_non_split): New function.
8935         (Target::match_view): New function.
8936         (Target::set_view_to_nop): New function.
8937         * gold.cc (queue_middle_tasks): Give an error if mixing
8938         split-stack and non-split-stack objects with -r.
8939         * i386.cc (Target_i386::relocate_section): Add
8940         reloc_symbol_changes parameter.
8941         (Target_i386::do_calls_non_split): New function.
8942         * x86_64.cc (Target_x86_64::relocate_section): Add
8943         reloc_symbol_changes parameter.
8944         (Target_x86_64::do_calls_non_split): New function.
8945         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8946         parameter.
8947         * powerpc.cc (Target_powerpc::relocate_section): Add
8948         reloc_symbol_changes parameter.
8949         * sparc.cc (Target_sparc::relocate_section): Add
8950         reloc_symbol_changes parameter.
8951         * configure.ac: Call AM_CONDITIONAL for the default target.
8952         * configure: Rebuild.
8953         * testsuite/Makefile.am (TEST_AS): New variable.
8954         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8955         (check_DATA): Add split_i386 and split_x86_64 files.
8956         (SPLIT_DEFSYMS): Define.
8957         (split_i386_[1234n].o): New targets.
8958         (split_i386_[124]): New targets.
8959         (split_i386_[1234r].stdout): New targets.
8960         (split_x86_64_[1234n].o): New targets.
8961         (split_x86_64_[124]): New targets.
8962         (split_x86_64_[1234r].stdout): New targets.
8963         (MOSTLYCLEANFILES): Add new executables.
8964         * testsuite/split_i386.sh: New file.
8965         * testsuite/split_x86_64.sh: New file.
8966         * testsuite/split_i386_1.s: New file.
8967         * testsuite/split_i386_2.s: New file.
8968         * testsuite/split_i386_3.s: New file.
8969         * testsuite/split_i386_4.s: New file.
8970         * testsuite/split_i386_n.s: New file.
8971         * testsuite/split_x86_64_1.s: New file.
8972         * testsuite/split_x86_64_2.s: New file.
8973         * testsuite/split_x86_64_3.s: New file.
8974         * testsuite/split_x86_64_4.s: New file.
8975         * testsuite/split_x86_64_n.s: New file.
8976         * testsuite/testfile.cc (Target_test): Update relocation_section
8977         function.
8978         * testsuite/Makefile.in: Rebuild.
8979
8980 2009-10-06  Ian Lance Taylor  <iant@google.com>
8981
8982         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8983         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8984         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8985         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8986         the address on ldo_addrs_.
8987         (Target_i386::Relocate::fix_up_ldo): New function.
8988
8989 2009-10-06   Rafael Espindola  <espindola@google.com>
8990
8991         * plugin.cc (add_input_library): New.
8992         (Plugin::load): Add add_input_library to tv.
8993         (Plugin_manager::add_input_file): Add the is_lib argument.
8994         (add_input_file): Update call to Plugin_manager::add_input_file.
8995         (add_input_library): New.
8996         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8997
8998 2009-09-30  Doug Kwan  <dougkwan@google.com>
8999
9000         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9001         symbol and call Symbol::may_need_copy_reloc to determine if
9002         a copy reloc is needed.
9003         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9004         nocopyreloc is given in command line.
9005         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9006         given in command line.
9007         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9008         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9009         of the removed Target_i386::may_need_copy_reloc.
9010         * options.h (copyreloc): New option with default value false.
9011         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9012         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9013         instead of the removed Target_powerpc::may_need_copy_reloc.
9014         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9015         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9016         instead of the removed Target_sparc::may_need_copy_reloc.
9017         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9018         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9019         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9020         instead of the removed Target_x86_64::may_need_copy_reloc.
9021
9022 2009-09-30  Ian Lance Taylor  <iant@google.com>
9023
9024         * object.h (class Object): Remove target_ field, and target,
9025         sized_target, and set_target methods.
9026         (Object::sized_target): Remove.
9027         (class Sized_relobj): Update declarations.  Remove sized_target.
9028         * object.cc (Sized_relobj::setup): Remove target parameter.
9029         Change all callers.
9030         (Input_objects::add_object): Don't do anything with the target.
9031         (make_elf_sized_object): Add punconfigured parameter.  Change all
9032         callers.  Set or test parameter target.
9033         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9034         Change all callers.
9035         * parameters.cc (Parameters::set_target): Change parameter type to
9036         be non-const.
9037         (Parameters::default_target): Remove.
9038         (set_parameters_target): Change parameter type to be non-const.
9039         (parameters_force_valid_target): New function.
9040         (parameters_clear_target): New function.
9041         * parameters.h (class Parameters): Update declarations.  Remove
9042         default_target method.  Add sized_target and clear_target
9043         methods.  Change target_ to be non-const.
9044         (set_parameters_target): Update declaration.
9045         (parameters_force_valid_target): Declare.
9046         (parameters_clear_target): Declare.
9047         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9048         as NULL if we aren't searching.
9049         (Add_symbols::run): Don't check for compatible target.
9050         * fileread.cc (Input_file::open_binary): Call
9051         parameters_force_valid_target.
9052         * gold.cc (queue_middle_tasks): Likewise.
9053         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9054         set_target on object.
9055         * dynobj.h (class Sized_dynobj): Update declarations.
9056         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9057         make_elf_object returns NULL.
9058         (Archive::include_member): Don't check whether object target is
9059         compatible.
9060         * output.cc (Output_section::add_input_section): Get target from
9061         parameters.
9062         (Output_section::relax_input_section): Likewise.
9063         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9064         parameters.
9065         (Sized_relobj::do_scan_relocs): Likewise.
9066         (Sized_relobj::relocate_sections): Likewise.
9067         * resolve.cc (Symbol_table::resolve): Likewise.
9068         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9069         parameter.  Change all callers.
9070         (Symbol_table::add_from_object): Get target from parameters.
9071         (Symbol_table::add_from_relobj): Don't check object target.
9072         (Symbol_table::add_from_dynobj): Likewise.
9073         (Symbol_table::define_special_symbol): Get target from
9074         parameters.
9075         * symtab.h (class Symbol_table): Update declaration.
9076         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9077         parameter.  Change all callers.  Clear parameter target.
9078         (Binary_test): Test target here.
9079         * testsuite/object_unittest.cc (gold_testsuite): Remove
9080         target_test_pointer parameter.  Change all callers.
9081         (Object_test): Test target here.
9082
9083 2009-09-26  Ian Lance Taylor  <iant@google.com>
9084
9085         * testsuite/initpri1.c: Don't try to use constructor priorities if
9086         compiling with gcc before 4.3.
9087
9088 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9089
9090         * testsuite/retain_symbols_file_test.sh (check_present): Change
9091         output file name to retain_symbols_file_test.stdout.
9092         (check_absent): Likewise.
9093
9094 2009-09-18  Craig Silverstein  <csilvers@google.com>
9095
9096         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9097         * options.cc: Include <cerrno> and <fstream>.
9098         (General_options::finalize): Parse -retain-symbols-file tag.
9099         * options.h: New flag.
9100         (General_options): New method should_retain_symbol, new
9101         variable symbols_to_retain.
9102         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9103         should_retain_symbol map.
9104         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9105         * testsuite/Makefile.in: Regenerate.
9106         * testsuite/retain_symbols_file_test.sh: New file.
9107
9108 2009-09-18  Nick Clifton  <nickc@redhat.com>
9109
9110         * po/es.po: Updated Spanish translation.
9111
9112 2009-09-17  Doug Kwan  <dougkwan@google.com>
9113
9114         * debug.h (DEBUG_RELAXATION): New constant.
9115         (DEBUG_ALL): Add DEBUG_RELAXATION.
9116         (debug_string_to_enum): Add relaxation debug option.
9117         * layout.cc
9118         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9119         Layout::Relaxation_debug_check::read_sections,
9120         Layout::Relaxation_debug_check::read_sections): New method definitions.
9121         (Layout::Layout): Initialize data members
9122         record_output_section_data_from_scrips_,
9123         script_output_section_data_list_ and relaxation_debug_check_.
9124         (Layout::save_segments, Layout::restore_segments,
9125         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9126         Layout::relaxation_loop_body): New method definitions.
9127         (Layout::finalize): Support relaxation.  Move section layout code to
9128         Layout::relaxation_loop_body.
9129         (Layout::set_asection_address_from_script): Move code for orphan
9130         section placement out.
9131         (Layout::place_orphan_sections_in_script): New method definition.
9132         * layout.h (Output_segment_headers, Output_file_header):
9133         New forward class declarations.
9134         (Layout::~Layout): Define.
9135         (Layout::new_output_section_data_from_script): New method definition.
9136         (Layout::place_orphan_sections_in_script): New method declaration.
9137         (Layout::Segment_states): New type declaration.
9138         (Layout::save_segments, Layout::restore_segments,
9139         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9140         Layout::relaxation_loop_body): New method declarations.
9141         (Layout::Output_section_data_list): New type declaration.
9142         (Layout::Relaxation_debug_check): New class definition.
9143         (Layout::record_output_section_data_from_script_,
9144         Layout::script_output_section_data_list_, Layout::segment_states_,
9145         Layout::relaxation_debug_check_): New data members.
9146         * output.cc: (Output_section_headers::do_size): New method definition.
9147         (Output_section_headers::Output_section_headers): Move size
9148         computation to Output_section_headers::do_size.
9149         (Output_segment_headers::do_size): New method definition.
9150         (Output_file_header::Output_file_header): Move size computation to
9151         Output_file_header::do_size and call it.
9152         (Output_file_header::do_size): New method definition.
9153         (Output_data_group::Output_data_group): Adjust call to
9154         Output_section_data.
9155         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9156         (Output_symtab_xindex::do_write): Add array bound check.
9157         (Output_section::Input_section::print_to_mapfile): Handle
9158         RELAXED_INPUT_SECTION_CODE.
9159         (Output_section::Output_section): Initialize data member checkpoint_.
9160         (Output_section::~Output_section): Delete checkpoint object pointed
9161         by checkpoint_.
9162         (Output_section::add_input_section): Always add an Input_section if
9163         relaxing.
9164         (Output_section::add_merge_input_section): Add assert.
9165         (Output_section::relax_input_section): New method definition.
9166         (Output_section::set_final_data_size): Set load address to zero for
9167         an unallocated section.
9168         (Output_section::do_address_and_file_offset_have_reset_values):
9169         New method definition.
9170         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9171         Handle relaxed input section.
9172         (Output_section::sort_attached_input_sections): Checkpoint input
9173         section list lazily.
9174         (Output_section::get_input_sections): Change type of input_sections to
9175         list of Simple_input_section pointers.  Checkpoint input section list
9176         lazily.  Also handle relaxed input sections.
9177         (Output_section::add_input_section_for_script): Take a reference to
9178         a Simple_input_section object instead of Relobj pointer and section
9179         index as parameter.  Handle relaxed input sections.
9180         (Output_section::save_states, Output_section::restore_states): New
9181         method definitions.
9182         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9183         (Output_data::is_data_size_fixed): New method definition.
9184         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9185         if it is fixed.
9186         (Output_data::address_and_file_offset_have_reset_values): New method
9187         definition.
9188         (Output_data::do_address_and_file_offset_have_reset_values): New method
9189         definition.
9190         (Output_data::set_data_size): Check that data size is not fixed.
9191         (Output_data::fix_data_size): New method definition.
9192         (Output_data::is_data_size_fixed_): New data member.
9193         (Output_section_headers::set_final_data_size): New method definition.
9194         (Output_section_headers::do_size): New method declaration.
9195         (Output_segment_headers::set_final_data_size): New method definition.
9196         (Output_segment_headers::do_size): New method declaration.
9197         (Output_file_header::set_final_data_size)::New method definition.
9198         (Output_file_header::do_size)::New method declaration.
9199         (Output_section_data::Output_section_data): Add new parameter
9200         is_data_size_fixed and use it to fix data size.
9201         (Output_data_const::Output_data_const): Adjust call to base class
9202         constructor and fix data size.
9203         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9204         base class constructor and fix data size.
9205         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9206         base class constructor and fix data size.
9207         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9208         class constructor and fix data size.
9209         (Output_data_group::set_final_data_size): New method definition.
9210         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9211         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9212         class constructor and fix data size.
9213         (Output_relaxed_input_section): New class definition.
9214         (Output_section::Simple_input_section): New class definition.
9215         (Output_section::get_input_sections): Adjust parameter list.
9216         (Output_section::add_input_section_for_script): Same.
9217         (Output_section::save_states, Output_section::restore_states,
9218         Output_section::do_address_and_file_offset_have_reset_values,
9219         (Output_section::Input_section::Input_section): Handle
9220         RELAXED_INPUT_SECTION_CODE.  Add new overload for
9221         Output_relaxed_input_section.
9222         (Output_section::Input_section::is_input_section,
9223         Output_section::Input_section::set_output_section): Handle relaxed
9224         input section.
9225         (Output_section::Input_section::is_relaxed_input_section,
9226         Output_section::Input_section::output_section_data,
9227         Output_section::Input_section::relaxed_input_section): New method
9228         definitions.
9229         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
9230         value.
9231         (Output_section::Input_section::u1_): Update comments.
9232         (Output_section::Input_section::u2_): Add new union member poris.
9233         (Output_section::Checkpoint_output_section): New classs definition.
9234         (Output_section::relax_input_section): New method declaration.
9235         (Output_section::checkpoint_): New data member.
9236         (Output_segment): Update comments.
9237         (Output_segment::Output_segment): Un-privatize copy constructor.
9238         (Output_segment::operator=): Un-privatize.
9239         * script-sections.cc (Output_section_element::Input_section_list):
9240         Change element type to Output_section::Simple_input_section.
9241         (Output_section_element_dot_assignment::set_section_addresses):
9242         Register output section data for relaxation clean up.
9243         (Output_data_exression::Output_data_expression): Adjust call to base
9244         constructor to fix data size.
9245         (Output_section_element_data::set_section_addresses): Register
9246         Output_data_expression object for relaxation clean up.
9247         (struct Input_section_info): Replace Relobj pointer and section index
9248         pair with Output_section::Simple_input_section and Convert struct to a
9249         class.
9250         (Input_section_sorter::operator()): Adjust access to
9251         Input_section_info data member to use accessors.
9252         (Output_section_element_input::set_section_addresses): Use layout
9253         parameter.  Adjust code to use Output_section::Simple_input_section
9254         and Input_secction_info classes.  Register filler for relaxation
9255         clean up.
9256         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9257         and section index pair with Output_section::Simple_input_section
9258         class.  Adjust code accordingly.
9259         (Phdrs_element::release_segment): New method definition.
9260         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9261         segment list.
9262         (Script_sections::release_segments): New method definition.
9263         * gold/script-sections.h (Script_sections::release_segments): New
9264         method declaration.
9265         * gold/target.h (Target::may_relax, Target::relax,
9266         Target::do_may_relax, Target::do_relax): New method definitions.
9267
9268 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9269
9270         * arm.cc (has_signed_unsigned_overflow): New function.
9271         (Arm_relocate_functions::abs8): New function.
9272         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9273         (Target_arm::Scan::global): Likewise.
9274         (Target_arm::relocate::relocate): Likewise.
9275         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9276         Likewise.
9277
9278 2009-09-16  Cary Coutant  <ccoutant@google.com>
9279
9280         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
9281         * testsuite/Makefile.in: Regenerate.
9282
9283 2009-09-11  Nick Clifton  <nickc@redhat.com>
9284
9285         * po/gold.pot: Updated by the Translation project.
9286
9287 2009-09-08  Cary Coutant  <ccoutant@google.com>
9288
9289         * output.cc (Output_file::open): Add execute permission to empty file.
9290         * testsuite/Makefile.am (permission_test): New test.
9291         * testsuite/Makefile.in: Regenerate.
9292
9293 2009-09-02  Ian Lance Taylor  <iant@google.com>
9294
9295         * output.cc (Output_file::resize): Call map_no_anonymous rather
9296         than map.
9297
9298 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
9299
9300         * gold.cc: Include "incremental.h".
9301         (queue_initial_tasks): Call Incremental_checker methods.
9302         * incremental.cc: Include "output.h".
9303         (Incremental_checker::can_incrementally_link_output_file): New
9304         method.
9305         * incremental.h (Incremental_checker): New class.
9306
9307         * output.cc (Output_file::open_for_modification): New method.
9308         (Output_file::map_anonymous): Changed return type to bool.  Record
9309         map in base_ field.
9310         (Output_file::map_no_anonymous): New method, broken out of map.
9311         (Output_file::map): Use map_no_anonymous and map_anonymous.
9312         * output.h (class Output_file): Update declarations.
9313
9314 2009-08-24  Cary Coutant  <ccoutant@google.com>
9315
9316         * options.h (Command_line::Pre_options): New class.
9317         (Command_line::pre_options): New member.
9318         * options.cc (gold::options::ready_to_register): New variable.
9319         (One_option::register_option): Do nothing if not registering options.
9320         Assert if same short option registered twice.
9321         (General_options::General_options): Turn off option registration when
9322         done constructing.
9323         (Command_line::Pre_options::Pre_options): New constructor.
9324
9325 2009-08-24  Cary Coutant  <ccoutant@google.com>
9326
9327         * options.h (General_options::no_keep_memory): Remove incorrect
9328         short option.
9329
9330 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9331
9332         * Makefile.am (am__skiplex, am__skipyacc): New.
9333         * Makefile.in: Regenerate.
9334
9335 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9336
9337         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9338         (INCLUDES): ... this.
9339         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9340         (AM_CPPFLAGS): Renamed from ...
9341         (INCLUDE): ... this.
9342         * Makefile.in, testsuite/Makefile.in: Regenerate.
9343
9344         * Makefile.in: Regenerate.
9345         * aclocal.m4: Likewise.
9346         * config.in: Likewise.
9347         * configure: Likewise.
9348         * testsuite/Makefile.in: Likewise.
9349
9350         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9351         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9352         * Makefile.in: Regenerate.
9353         * testsuite/Makefile.in: Regenerate.
9354
9355 2009-08-19  Cary Coutant  <ccoutant@google.com>
9356
9357         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9358         symbols in shared libraries overridden by hidden or internal symbols
9359         in the main program.
9360
9361 2009-08-19  Chris Demetriou  <cgd@google.com>
9362
9363         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9364         checking source file names in error messages.
9365
9366 2009-08-18  Doug Kwan  <dougkwan@google.com>
9367
9368         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9369         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9370         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9371         an elfcpp::Ehdr as parameter.
9372         * object.cc (Object::set_target): Remove the version that looks up
9373         a target and sets it.
9374         (Sized_relobj::setup): Take a Target object instead of
9375         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9376         (make_elf_sized_object): Find target and ask target to
9377         make an ELF object.
9378         * object.h: (Object::set_target): Remove the version that looks up
9379         a target and sets it.
9380         (Sized_relobj::setup): Take a Target object instead of
9381         an elfcpp:Ehdr as parameter.
9382         * target.cc: Include dynobj.h.
9383         (Target::do_make_elf_object_implementation): New.
9384         (Target::do_make_elf_object): New.
9385         * target.h (Target::make_elf_object): New template declaration.
9386         (Target::do_make_elf_object): New method declarations.
9387         (Target::do_make_elf_object_implementation): New template declaration.
9388
9389 2009-08-14  Ian Lance Taylor  <iant@google.com>
9390
9391         * gold.h (FUNCTION_NAME): Define.
9392         (gold_unreachable): Use FUNCTION_NAME.
9393
9394 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9395
9396         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9397         symbol in the --keep-unique list is not found.
9398
9399 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9400
9401         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9402         been maked as --keep-unique.
9403         (Icf::unfold_section): New function.
9404         * icf.h (Icf::unfold_section): New function.
9405         * options.h (General_options::keep_unique): New option.
9406         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9407         * testsuite/Makefile.in: Regenerate.
9408         * testsuite/icf_keep_unique_test.sh: New file.
9409         * testsuite/icf_keep_unique_test.cc: New file.
9410
9411 2009-08-12  Cary Coutant  <ccoutant@google.com>
9412
9413         PR 10471
9414         * resolve.cc (Symbol_table::resolve): Check for references from
9415         dynamic objects to hidden and internal symbols.
9416         * testsuite/Makefile.am (hidden_test.sh): New test.
9417         * testsuite/Makefile.in: Regenerate.
9418         * testsuite/hidden_test.sh: New script.
9419         * testsuite/hidden_test_1.c: New test source.
9420         * testsuite/hidden_test_main.c: New test source.
9421
9422 2009-08-11  Doug Kwan  <dougkwan@google.com>
9423
9424         * arm.cc: Update comments.
9425         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9426         segment to locate the .ARM.exidx section if present.
9427
9428 2009-08-09  Doug Kwan  <dougkwan@google.com>
9429
9430         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9431         patch.
9432
9433 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9434         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9435         compiler warnings.
9436
9437 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9438
9439         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9440         valid tls_segment only for non-debug-section relocations.
9441         * testsuite/Makefile.am: Add gc_tls_test.
9442         * testsuite/Makefile.in: Regenerate.
9443         * testsuite/gc_tls_test.cc: New file.
9444         * testsuite/gc_tls_test.sh: New file.
9445
9446 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9447
9448         * icf.cc: New file.
9449         * icf.h: New file.
9450         * Makefile.am (CCFILES): Add icf.cc.
9451         (HFILES): Add icf.h
9452         * Makefile.in: Regenerate.
9453         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9454         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9455         section, symbol and addend information for the relocs.
9456         * gold.cc (queue_middle_tasks): Call identical code folding.
9457         * gold.h: Add defines for multimap.
9458         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9459         to the call of finalize_local_symbols.
9460         * main.cc (main): Create object of class Icf.
9461         * object.cc (Sized_relobj::do_layout): Allow this function to be
9462         called twice during icf.
9463         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9464         to sections marked as identical by icf.
9465         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9466         when available.
9467         (Sized_relobj::do_section_entsize): New function.
9468         * object.h (Object::section_entsize): New function.
9469         (Object::do_section_entsize): New pure virtual function.
9470         (Relobj::finalize_local_symbols): Add new parameter.
9471         (Relobj::do_section_entsize): New function.
9472         * options.h (General_options::icf): New option.
9473         (General_options::icf_iterations): New option.
9474         (General_options::print_icf_sections): New option.
9475         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9476         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9477         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9478         icf.
9479         * symtab.cc (Symbol_table::is_section_folded): New function.
9480         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9481         to sections marked as identical by icf.
9482         * symtab.h (Symbol_table::set_icf): New function.
9483         (Symbol_table::icf): New function.
9484         (Symbol_table::is_section_folded): New function.
9485         (Symbol_table::icf_): New data member.
9486         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9487         * testsuite/Makefile.am: Add commands to build icf_test.
9488         * testsuite/Makefile.in: Regenerate.
9489         * testsuite/icf_test.sh: New file.
9490         * testsuite/icf_test.cc: New file.
9491
9492 2009-07-24  Chris Demetriou  <cgd@google.com>
9493
9494         * layout.cc (is_compressible_debug_section): Fix incorrect
9495         comment about compressed section names.
9496
9497 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9498
9499         PR 10419
9500         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9501
9502 2009-07-16  Ian Lance Taylor  <iant@google.com>
9503
9504         PR 10400
9505         * layout.h: #include <map>.
9506         (class Kept_section): Change from struct to class.  Add accessors
9507         and setters.  Add section size to Comdat_group mapping.  Change
9508         Comdat_group to std::map.  Add is_comdat_ field.  Add
9509         linkonce_size field in union.
9510         (class Layout): Update declaration of find_or_add_kept_section.
9511         Don't declare find_kept_object.
9512         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9513         parameter.  Add object, shndx, is_comdat, and is_group_name
9514         parameters.  Change all callers.  Adjust for new Kept_section.
9515         (Layout::find_kept_object): Remove.
9516         * object.cc (Sized_relobj::include_section_group): Update use of
9517         Kept_section.  Rename secnum to shndx.  Only record
9518         Kept_comdat_section if sections are the same size.
9519         (Sized_relobj::include_linkonce_section): Update use of
9520         Kept_section.  Only record Kept_comdat_section if sections are the
9521         same size.  Set size of linkonce section.
9522         (Sized_relobj::map_to_kept_section): Update call to
9523         get_kept_comdat_section.
9524         * object.h (class Sized_relobj): Rename fields in
9525         Kept_comdat_section to drop trailing underscores; change object
9526         field to Relobj*.  Change Kept_comdat_section_table to store
9527         struct rather than pointer.
9528         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9529         Add kept_object and kept_shndx parameters.  Change all callers.
9530         (Sized_relobj::get_kept_comdat_section): Change return type to
9531         bool.  Add kept_object and kept_shndx parameters.  Change all
9532         callers.
9533         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9534         Layout::find_or_add_kept_section.
9535
9536 2009-07-09  Ian Lance Taylor  <iant@google.com>
9537
9538         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9539         Reserve space in the hash table.
9540
9541 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9542
9543         * fileread.cc (File_read::get_mtime): New method.
9544         * fileread.h (Timespec): New structure.
9545         (File_read::get_mtime): New method.
9546         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9547         Renamed from timestamp_nsec.
9548         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9549         Elf_Xword.
9550         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9551         timestamp_nsec.
9552         (Incremental_inputs::report_archive): Save mtime; style fix.
9553         (Incremental_inputs::report_obejct): Save mtime; style fix.
9554         (Incremental_inputs::report_script): Save mtime; style fix.
9555         (Incremental_inputs::finalize_inputs): Style fix.
9556         (Incremental_inputs::finalize): Style fix.
9557         (Incremental_inputs::create_input_section_data): Store inputs
9558         mtime.
9559         * incremental.h (Incremental_inputs::report_script): Add mtime
9560         argument.
9561         (Incremental_inputs::Input_info::Input_info): Intialize only one
9562         union member.
9563         (Incremental_inputs::Input_info::archive): Move to nameless
9564         union.
9565         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9566         (Incremental_inputs::Input_info::script): Move to nameless union.
9567         (Incremental_inputs::mtime): New field.
9568         * script.cc (read_input_script): Pass file mtime to
9569         Incremental_input.
9570         * script.h (Script_info::inputs): Style fix.
9571
9572 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9573
9574         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9575         instead of 32.
9576
9577 2009-06-24  Ian Lance Taylor  <iant@google.com>
9578
9579         PR 10156
9580         * layout.cc (Layout::choose_output_section): If we find an
9581         existing section, update the flags.
9582         (Layout::create_notes): New function, broken out of
9583         Layout::finalize.
9584         (Layout::finalize): Don't create note sections.
9585         (Layout::create_note): Don't crash if linker script discards
9586         section.
9587         (Layout::create_gold_note): Likewise.
9588         (Layout::create_build_id): Likewise.  Don't set
9589         after_input_sections on the section.
9590         (Layout::create_executable_stack_info): Remove target parameter.
9591         Change caller.
9592         * layout.h (class Layout): Declare create_notes.  Update
9593         declaration of create_executable_stack_info.
9594         * gold.cc (queue_middle_tasks): Call create_notes.
9595         * output.cc (Output_section::update_flags_for_input_section): Move
9596         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9597         invalid.
9598         * output.h (Output_data::mark_address_invalid): New function.
9599         (class Output_section): Only declare, not define,
9600         update_flags_for_input_section.  Remove set_flags.
9601
9602 2009-06-24  Ian Lance Taylor  <iant@google.com>
9603
9604         * script-sections.cc (Output_section_definition::
9605         set_section_addresses): Rename shadowing local load_address to
9606         laddr.
9607
9608 2009-06-24  Ian Lance Taylor  <iant@google.com>
9609
9610         PR 10244
9611         * reloc.cc (relocate_sections): Skip empty relocation sections.
9612
9613 2009-06-23  Ian Lance Taylor  <iant@google.com>
9614
9615         PR 10156
9616         * layout.cc (Layout::create_note): Use choose_output_section
9617         rather than make_output_section.
9618
9619 2009-06-23  Ian Lance Taylor  <iant@google.com>
9620
9621         PR 10237
9622         * options.cc (General_options::parse_V): Set printed_version_.
9623         (General_options::General_options): Initialize printed_version_.
9624         * options.h (class General_options): Add printed_version_ field.
9625         * gold.cc (queue_initial_tasks): If there are no input files,
9626         don't give a fatal error if we printed the version information.
9627         (queue_middle_tasks): If using -r with a shared object, give a
9628         fatal error rather than an ordinary error.
9629
9630 2009-06-23  Ian Lance Taylor  <iant@google.com>
9631
9632         PR 10219
9633         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9634         (Layout::make_output_section): Set have_stabstr_section_ if we see
9635         a .stab*str section.
9636         (Layout::finalize): Call link_stabs_sections.
9637         (Layout::link_stabs_sections): New file.
9638         * layout.h (class Layout): Add have_stabstr_section_ field.
9639         Declare link_stabs_sections.
9640
9641 2009-06-23  Doug Kwan  <dougkwan@google.com>
9642
9643         * Makefile.am (libgold_a_LIBADD): New.
9644         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9645         * Makefile.in: Regenerate.
9646         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9647         * configure: Regenerate.
9648         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9649         * fileread.cc: Include sys/state.h
9650         * gold.h: Declare memmem and strndup if found missing.
9651         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9652
9653 2009-06-23  Ian Lance Taylor  <iant@google.com>
9654
9655         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9656         * configure: Rebuild.
9657
9658 2009-06-23  Ian Lance Taylor  <iant@google.com>
9659
9660         PR 10147
9661         * object.cc (Object::section_contents): Don't try to get a view if
9662         the section has length zero.
9663         (Object::handle_gnu_warning_section): If the section is empty, use
9664         the name of the section as the warning.
9665
9666 2009-06-23  Ian Lance Taylor  <iant@google.com>
9667
9668         PR 10133
9669         * stringpool.h (class Stringpool_template): Add optimize_ field.
9670         (Stringpool_template::set_optimize): New function.
9671         * stringpool.cc (Stringpool_template::Stringpool_template):
9672         Initialize optimize_ field.
9673         (Stringpool_template::set_string_offsets): Test local optimize
9674         fild rather than parameter.
9675         * layout.cc (Layout::Layout): Call set_optimize on the section
9676         name stringpool.
9677
9678 2009-06-22  Ian Lance Taylor  <iant@google.com>
9679
9680         PR 10030
9681         * yyscript.y: Parse TARGET.
9682         * script.cc (script_set_target): New function.
9683         * script-c.h (script_set_target): Declare.
9684         * options.cc (General_options::string_to_object_format): Rename
9685         from string_to_object_format in anonymous namespace.  Change
9686         callers.
9687         * options.h (class General_options): Declare
9688         string_to_object_format.
9689
9690 2009-06-22  Ian Lance Taylor  <iant@google.com>
9691
9692         * script-sections.cc (Script_sections::create_segments): Don't put
9693         program headers in a PT_LOAD segment if -n or -N.
9694
9695 2009-06-22  Ian Lance Taylor  <iant@google.com>
9696
9697         PR 10141
9698         * options.h (class General_options): Add -z lazy and -z now.  Sort
9699         -z options into alphabetical order.
9700         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9701
9702 2009-06-21  Ian Lance Taylor  <iant@google.com>
9703
9704         * layout.cc (Layout::make_output_section): Call
9705         Target::new_output_section.
9706         (Layout::attach_allocated_section_to_segment): Put large section
9707         sections in a separate load segment with the large segment flag
9708         set.
9709         (Layout::segment_precedes): Sort large data segments after other
9710         load segments.
9711         (align_file_offset): New static function.
9712         (Layout::set_segment_offsets): Use align_file_offset.
9713         * output.h (class Output_section): Add is_small_section_ and
9714         is_large_section_ fields.
9715         (Output_section::is_small_section): New function.
9716         (Output_section::set_is_small_section):  New function.
9717         (Output_section::is_large_section): New function.
9718         (Output_section::set_is_large_section): New function.
9719         (Output_section::is_large_data_section): New function.
9720         (class Output_segment): Add is_large_data_segment_ field.
9721         (Output_segment::is_large_data_segment): New function.
9722         (Output_segment::set_is_large_data_segment): New function.
9723         * output.cc (Output_section::Output_section): Initialize new
9724         fields.
9725         (Output_segment::Output_segment): Likewise.
9726         (Output_segment::add_output_section): Add assertion that large
9727         data sections always go in large data segments.  Force small data
9728         sections to the end of the list of data sections.  Force small BSS
9729         sections to the start of the list of BSS sections.  For large BSS
9730         sections to the end of the list of BSS sections.
9731         * symtab.h (class Symbol): Declare is_common_shndx.
9732         (Symbol::is_defined): Check Symbol::is_common_shndx.
9733         (Symbol::is_common): Likewise.
9734         (class Symbol_table): Define enum Commons_section_type.  Update
9735         declarations.  Add small_commons_ and large_commons_ fields.
9736         * symtab.cc (Symbol::is_common_shndx): New function.
9737         (Symbol_table::Symbol_table): Initialize new fields.
9738         (Symbol_table::add_from_object): Put small and large common
9739         symbols in the right list.
9740         (Symbol_table::sized_finalized_symbol): Check
9741         Symbol::is_common_shndx.
9742         (Symbol_table::sized_write_globals): Likewise.
9743         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9744         common symbol lists.  Don't call do_allocate_commons_list if the
9745         list is empty.
9746         (Symbol_table::do_allocate_commons_list): Remove is_tls
9747         parameter.  Add comons_section_type parameter.  Change all
9748         callers.  Handle small and large common symbols.
9749         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9750         Symbol::is_common_shndx.
9751         * resolve.cc (symbol_to_bits): Likewise.
9752         * target.h (Target::small_common_shndx): New function.
9753         (Target::small_common_section_flags): New function.
9754         (Target::large_common_shndx): New function.
9755         (Target::large_common_section_flags): New function.
9756         (Target::new_output_section): New function.
9757         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9758         small_common_section_flags, and large_common_section_flags
9759         fields.
9760         (Target::do_new_output_section): New virtual function.
9761         * arm.cc (Target_arm::arm_info): Initialize new fields.
9762         * i386.cc (Target_i386::i386_info): Likewise.
9763         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9764         Likewise.
9765         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9766         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9767         (Target_x86_64::do_new_output_section): New function.
9768         * configure.ac: Define conditional MCMODEL_MEDIUM.
9769         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9770         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9771         (large_LDFLAGS): Define.
9772         * testsuite/large.c: New file.
9773         * testsuite/testfile.cc (Target_test::test_target_info):
9774         Initialize new fields.
9775         * configure, testsuite/Makefile.in: Rebuild.
9776
9777 2009-06-05  Doug Kwan  <dougkwan@google.com>
9778
9779         * Makefile.am (CCFILES): Add target.cc.
9780         * Makefile.in: Regenerate.
9781         * i386.cc (class Target_i386): Define new virtual method to
9782         override do_is_local_label_name in parent.
9783         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9784         local symbols if --discard-locals or -X is given.
9785         * options.h (class General_options): Declare new options
9786         '--discard-locals' and '-X' for discarding locals.
9787         * target.h (class Target): Define new methods is_local_label_name.
9788         Declare new virtual method do_is_local_label_name.
9789         * target.cc: New file.
9790         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9791         (check_SCRIPTS): Add discard_locals_test.sh.
9792         (check_DATA): Add discard_local_tests.syms.
9793         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9794         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9795         * testsuite/Makefile.in: Regenerate.
9796         * testsuite/discard_locals_test.c: New file.
9797         * testsuite/discard_locals_test.sh: Same.
9798
9799 2009-06-05  Doug Kwan  <dougkwan@google.com>
9800
9801         * object.cc (Sized_relobj::Sized_relobj): Initialize
9802         discarded_eh_frame_shndx_ to -1U.
9803         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9804         section.
9805         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9806         a discarded .eh_frame section.
9807         (Sized_relobj::do_finalize_local_symbols): Ditto.
9808         * object.h (class Sized_relobj): Declare new member
9809         discarded_eh_frame_shndx_.
9810         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9811         (local_labels_test.o, local_labels_test): New rules.
9812         * testsuite/Makefile.in: Regenerate.
9813
9814 2009-06-04  Doug Kwan  <dougkwan@google.com>
9815
9816         * layout.cc (Layout::section_name_mapping): Add mapping for
9817         special ARM sections.
9818
9819 2009-06-03  Doug Kwan  <dougkwan@google.com>
9820
9821         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9822         (utils::has_overflow): Same.
9823
9824 2009-06-03  Ian Lance Taylor  <iant@google.com>
9825
9826         * layout.cc (Layout::section_name_mapping): New array, replacing
9827         Layout::linkonce_mapping.
9828         (Layout::section_name_mapping_count): New variable, replacing
9829         Layout::linkonce_mapping_count.
9830         (Layout::linkonce_output_name): Remove.
9831         (Layout::output_section_name): Rewrite.
9832         * layout.h (class Layout): Rename Linkonce_mapping to
9833         Section_name_mapping, linkonce_mapping to section_name_mapping,
9834         linkonce_mapping_count to section_name_mapping_count.  Don't
9835         declare linkonce_output_name.
9836
9837 2009-06-03  Doug Kwan  <dougkwan@google.com>
9838
9839         * gold/arm.cc (namespace utils): New.
9840         (Target_arm::reloc_is_non_pic): Define new method.
9841         (class Arm_relocate_functions): New.
9842         (Target_arm::Relocate::relocate): Handle relocation types used by
9843         Android.
9844
9845 2009-06-03  Ian Lance Taylor  <iant@google.com>
9846
9847         * arm.cc (Target_arm::scan::global): Use || instead of |.
9848
9849 2009-06-02  Doug Kwan  <dougkwan@google.com>
9850
9851         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9852         issued_non_pic_error_.
9853         (class Target_arm::Scan): Declare new method check_non_pic.
9854         Define new method symbol_needs_plt_entry.
9855         Declare new data member issued_non_pic_error_.
9856         (class Target_arm::Relocate): Declare new method
9857         should_apply_static_reloc.
9858         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9859         (Target_arm::Scan::check_non_pic): Define new method.
9860         (Target_arm::Scan::local): Handle a small subset of reloc types used
9861         by Android.
9862         (Target_arm::Scan::local): Same.
9863         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9864
9865 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9866
9867         * incremental.cc (Incremental_inputs::report_command_line): Filter
9868         out --incremental-* options.
9869
9870 2009-05-29  Doug Kwan  <dougkwan@google.com>
9871
9872         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9873         template class.
9874         (class Target_arm): Update comment.
9875         (Target_arm::Target_arm): Initialize new data members GOT_,
9876         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9877         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9878         and Target_arm::rel_dyn_section.
9879         Declare new_enum Target_arm::Got_type.
9880         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9881         and DYNBSS_.
9882         Update commments for member do_dynsym_value.
9883         (Target_arm::got_size, Target_arm::plt_section,
9884         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9885         new methods inside class defintion.
9886         (Target_arm::got_section): Define new method.
9887         (Target_arm::rel_dyn_section): Same.
9888         (Output_data_plt_arm): New template class.
9889         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9890         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9891         (Output_data_plt_arm::add_entry): Same.
9892         (Output_data_plt_arm::first_plt_entry): Define new
9893         static data member for PLT instruction template.
9894         (Output_data_plt_arm::plt_entry): Same.
9895         (Output_data_plt_arm::do_write): Define new method.
9896         (Target_arm::make_plt_entry): Same.
9897         (Target_arm::do_finalize_sections): Same.
9898         (Target_arm::do_dynsym_value): Same.
9899
9900 2009-05-28  Doug Kwan  <dougkwan@google.com>
9901
9902         * Makefile.am (TARGETSOURCES): Add arm.cc.
9903         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9904         * Makefile.in: Regenerate.
9905         * arm.cc: New file.
9906         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9907
9908 2009-05-26  Doug Kwan  <dougkwan@google.com>
9909
9910         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9911         (General_options::check_excluded_libs): Strip off directories in
9912         archive name before matching like GNU ld does.
9913         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9914         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9915         (exclude_libs_test_LDFLAGS): Add linker option
9916         -Wl,--exclude-libs,libexclude_libs_test_3
9917         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9918         an explicit archive without using -l.
9919         (alt/libexclude_libs_test_3.a): New make rule.
9920         * testsuite/Makefile.in: Regenerate.
9921         * testsuite/exclude_libs_test.c : Declare lib3_default().
9922         (main): Call it.
9923         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9924         * exclude_libs_test_3.c: New file.
9925
9926 2009-05-26  Nick Clifton  <nickc@redhat.com>
9927
9928         * po/id.po: New Indonesian translation.
9929         * po/gold.pot: Updated template file.
9930
9931 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9932
9933         * testsuite/Makefile.am: Add -ffunction-sections to compile
9934         gc_comdat_test files.  Add -Wl,--gc-sections to build
9935         gc_comdat_test.
9936         * testsuite/Makefile.in: Regenerate.
9937         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9938
9939 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9940
9941         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9942         kept comdat section was garbage collected.
9943         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9944         * testsuite/Makefile.in: Regenerate.
9945         * testsuite/gc_comdat_test.sh: New file.
9946         * testsuite/gc_comdat_test_1.cc: New file.
9947         * testsuite/gc_comdat_test_2.cc: New file.
9948
9949 2009-05-19  Doug Kwan  <dougkwan@google.com>
9950
9951         * archive.cc (Archive::Archive): Move constructor from archive.h
9952         to here.  Initialize no_export_.
9953         (Archive::get_elf_object_for_member): Set no_export flag of object.
9954         * archive.h (Archive::Archive): Move constructor body to
9955         archive.cc.
9956         (Archive::no_export): New method.
9957         (Archive::no_export_): New field.
9958         * object.h (Object::Object): Initialize no_export_ to false.
9959         (Object::no_export, Object::set_no_export): New methods.
9960         (Object::no_export_): New field.
9961         * options.cc (General_options::parse_exclude_libs): New method.
9962         (General_options::check_excluded_libs) Same.
9963         * options.h (exclude_libs): New option.
9964         (General_options::check_excluded_libs): New method declaration.
9965         (General_options::excluded_libs_): New field.
9966         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9967         default or protected visibility if an object has no-export flag set.
9968         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9969         (check_SCRIPTS): Add exclude_libs_test.sh.
9970         (check_DATA): Add exclude_libs_test.syms.
9971         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9972         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9973         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9974         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9975         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9976         libexclude_libs_test_2.a): New rules.
9977         * testsuite/Makefile.in: Regenerate.
9978         * testsuite/exclude_libs_test.c: New file.
9979         * testsuite/exclude_libs_test.sh: Ditto.
9980         * testsuite/exclude_libs_test_1.c: Ditto.
9981         * testsuite/exclude_libs_test_2.c: Ditto.
9982
9983 2009-05-15  Ian Lance Taylor  <iant@google.com>
9984
9985         * configure.ac: Check for declarations for cases where libiberty.h
9986         checks HAVE_DECL_xxx.
9987         * configure, config.in: Rebuild.
9988
9989 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9990
9991         * gold.h (Incremental_argument_list): Remove (invalid) forward
9992         declaration.
9993         * incremental.cc (Incremental_inputs::report_achive): New method.
9994         (Incremental_inputs::report_object): New method.
9995         (Incremental_inputs::report_script): New method.
9996         (Incremental_inputs::finalize_inputs): New method.
9997         (Incremental_inputs::finalize): Call finalize_inputs().
9998         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9999         Create inputs entries.
10000         * incremental.h (Incremental_input_type): New enum.
10001         (Incremental_inputs::Incremental_input): Initialize new fields.
10002         (Incremental_inputs::report_inputs): New method.
10003         (Incremental_inputs::report_achive): New method.
10004         (Incremental_inputs::report_object): New method.
10005         (Incremental_inputs::report_script): New method.
10006         (Incremental_inputs::finalize_inputs): New method.
10007         (Incremental_inputs::Input_info): New struct.
10008         (Incremental_inputs::Input_info_map): New typedef.
10009         (Incremental_inputs::lock_): New field.
10010         (Incremental_inputs::Inputs_): New field.
10011         (Incremental_inputs::Inputs_map): New field.
10012         * main.cc (main): Call Incremental_input::report_inputs.
10013         * options.h (Input_argument_list): Typedef moved from
10014         Input_arguments.
10015         (Input_file_group::Files): Remove, use ::Input_argument_list.
10016         (Input_file_group::Input_argument_list): Remove, use
10017         ::Input_argument_list.
10018         * plugin.cc (Plugin_manager::add_input_file): Add error in
10019         incremental build.
10020         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10021         functions.
10022         * script.cc (read_input_script): Call
10023         Incremental_input::report_script.
10024         * script.h (Script_info): New class.
10025
10026 2009-04-27  Ian Lance Taylor  <iant@google.com>
10027
10028         * x86_64.cc (do_adjust_output_section): Set entsize to
10029         plt_entry_size.
10030
10031 2009-04-23  Elliott Hughes  <enh@google.com>
10032
10033         * output.cc (Output_file::close): After short writes, continue
10034         writing from the correct offset in the buffer being written.
10035
10036 2009-04-23  Chris Demetriou  <cgd@google.com>
10037
10038         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10039         * configure: Regenerate.
10040         * config.in: Regenerate.
10041         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10042         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10043
10044 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10045
10046         * incremental.cc (Incremental_inputs_header_data): Renamed from
10047         Incremental_input_header_data.
10048         (Incremental_inputs_header_data::data_size): New field.
10049         (Incremental_inputs_header_data::put_input_file_count): Renamed
10050         from input_file_count.
10051         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10052         from command_line_offset.
10053         (Incremental_inputs_header_data::put_reserved): Renamed from
10054         put_reserved.
10055         (Incremental_inputs_entry_data): Renamed from
10056         Incremental_input_entry_data.
10057         (Incremental_inputs_entry_data::data_size): New field.
10058         (Incremental_inputs::report_command_line): New method.
10059         (Incremental_inputs::finalize): New method.
10060         (Incremental_inputs::create_incremental_inputs_data): New method.
10061         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10062         * incremental.h: New file.
10063         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10064        (Layout::finalize): Create incremental inputs section in
10065         incremental builds.
10066        (Layout::create_incremental_info_sections): New method.
10067         * layout.h (Layout::incremental_inputs): New method.
10068        (Layout::create_incremental_info_sections): New method.
10069        (Layout::incremental_inputs_): New field.
10070         * main.cc (main): Notify Incremental_input of the command line.
10071
10072 2009-04-01  Ian Lance Taylor  <iant@google.com>
10073             Mikolaj Zalewski  <mikolajz@google.com>
10074
10075         * gold.h (reserve_unordered_map): Define, three versions, one for
10076         each version of Unordered_map.
10077         * layout.cc (Layout::Layout): Remove options parameter.  Add
10078         number_of_input_files parameter.  Don't initialize options_.
10079         Initialize number_of_input_files_ and resized_signatures_.  Move
10080         sections_are_attached_.
10081         (Layout::layout_group): Reserve space for group_signatures_.
10082         (Layout::find_or_add_kept_section): Change name parameter to be a
10083         reference.  Resize signatures_ map when it gets large enough.
10084         (Layout::layout_eh_frame): Use parameters->options() instead of
10085         this->options_.
10086         (Layout::make_output_section): Likewise.
10087         (Layout::attach_allocated_section_to_segment): Likewise.
10088         (Layout::finalize, Layout::create_executable_stack): Likewise.
10089         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10090         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10091         * layout.h (class Layout): Update declarations.  Remove options_
10092         field.  Add number_of_input_files_ and resized_signatures_
10093         fields.  Move sections_are_attached_ field.
10094         * main.cc (main): Pass number of input files to Layout
10095         constructor.  Don't pass options.
10096
10097 2009-03-30  Ian Lance Taylor  <iant@google.com>
10098
10099         * ffsll.c (ffsll): Correct implementation.
10100
10101 2009-03-27  Ian Lance Taylor  <iant@google.com>
10102
10103         * ffsll.c: New file.
10104         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10105         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10106         * ftruncate.c (ftruncate): Declare before definition.
10107         * mremap.c (mremap): Likewise.
10108         * pread.c (pread): Likewise.
10109         * configure, Makefile.in, config.in: Rebuild.
10110
10111         * mremap.c: New file.
10112         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10113         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10114         (mremap): Declare if HAVE_MREMAP is not defined.
10115         * configure, Makefile.in, config.in: Rebuild.
10116
10117 2009-03-27  Cary Coutant  <ccoutant@google.com>
10118
10119         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10120         position independent.
10121         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10122         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10123
10124 2009-03-24  Cary Coutant  <ccoutant@google.com>
10125
10126         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10127         an executable.
10128         (needs_dynamic_reloc): Likewise.
10129
10130 2009-03-24  Ian Lance Taylor  <iant@google.com>
10131
10132         * yyscript.y (file_cmd): Recognize EXTERN.
10133         (extern_name_list, extern_name_list_body): New nonterminals.
10134         * script.cc (script_add_extern): Define.
10135         * script-c.h (script_add_extern): Declare.
10136
10137 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10138
10139         * object.cc (is_elf_object): Define.
10140         * object.h (is_elf_object): Declare.
10141         * archive.cc (Archive::get_elf_object_for_member): Call
10142         is_elf_object.
10143         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10144
10145 2009-03-24  Elliott Hughes  <enh@google.com>
10146
10147         * output.cc (Output_file::map_anonymous): Define.
10148         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10149         try an anonymous one.  Report the size if the mmap fails.
10150         * output.h (class Output_file): Declare map_anonymous.
10151
10152 2009-03-24  Ian Lance Taylor  <iant@google.com>
10153
10154         * target-select.cc (instantiate_target): Don't acquire the lock if
10155         the instantiated_target_ field has already been set.
10156
10157 2009-03-23  Ian Lance Taylor  <iant@google.com>
10158
10159         * gold-threads.h (class Initialize_lock): Define.
10160         * gold-threads.cc (class Initialize_lock_once): Define.
10161         (initialize_lock_control): New static variable.
10162         (initialize_lock_pointer): New static variable.
10163         (initialize_lock_once): New static function.
10164         (Initialize_lock::Initialize_lock): Define.
10165         (Initialize_lock::initialize): Define.
10166         * target-select.h: Include "gold-threads.h".
10167         (class Target_selector): Add lock_ and initialize_lock_ fields.
10168         Don't define instantiate_target, just declare it.
10169         * target-select.cc (Target_selector::Target_selector): Initialize
10170         new fields.
10171         (Target_selector::instantiate_target): Define.
10172         * descriptors.h: Include "gold-threads.h".
10173         (class Descriptors): Add initialize_lock_ field.
10174         * descriptors.cc (Descriptors::Descriptors): Initialize new
10175         field.
10176         (Descriptors::open): Use initialize_lock_ field
10177         * errors.h (class Errors): Add initialize_lock_ field.
10178         * errors.cc (Errors::Errors): Initialize new field.
10179         (Errors::initialize_lock): Use initialize_lock_ field.
10180         * powerpc.cc (class Target_selector_powerpc): Remove
10181         instantiated_target_ field.  In do_recognize call
10182         instantiate_target rather than do_instantiate_target.  In
10183         do_instantiate_target just allocate a new target.
10184         * sparc.cc (class Target_selector_sparc): Likewise.
10185
10186         * freebsd.h: New file.
10187         * i386.cc: Include "freebsd.h".
10188         (Target_i386): Derive from Target_freebsd rather than
10189         Sized_target.
10190         (Target_selector_i386): Derive from Target_selector_freebsd rather
10191         than Target_selector.
10192         * x86_64.cc: Include "freebsd.h".
10193         (Target_x86_64): Derive from Target_freebsd rather than
10194         Sized_target.
10195         (Target_selector_x86_64): Derive from Target_selector_freebsd
10196         rather than Target_selector.
10197         * target.h (class Target): Add adjust_elf_header and
10198         do_adjust_elf_header.
10199         * output.cc (Output_file_header:: do_sized_write): Call target
10200         adjust_elf_header routine.
10201         * configure.tgt: Set targ_osabi.
10202         * configure.ac: Define GOLD_DEFAULT_OSABI.
10203         * parameters.cc (Parameters::default_target): Pass
10204         GOLD_DEFAULT_OSABI to select_target.
10205         * target-select.h (class Target_selector): Make instantiate_target
10206         protected rather than private.
10207         * Makefile.am (HFILES): Add freebsd.h.
10208         * configure, Makefile.in, config.in: Rebuild.
10209
10210         * merge.cc (do_add_input_section): Correct pend value.  Change
10211         message about last entry not being null terminated from error to
10212         warning.
10213
10214 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10215
10216         * incremental.cc: New file.
10217         * Makefile.am (CCFILES): Add incremental.cc.
10218         * Makefile.in: Rebuild.
10219
10220 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
10221
10222         * layout.cc (Layout::output_section_name): Preserve names
10223         of '.note.' sections.
10224
10225 2009-03-19  Ian Lance Taylor  <iant@google.com>
10226
10227         * descriptors.cc (Descriptors::open): Check that the options are
10228         valid before using them.
10229
10230 2009-03-18  Ian Lance Taylor  <iant@google.com>
10231
10232         * script-sections.h: Include <list>.
10233         (class Script_sections): Change Sections_elements from std::vector
10234         to std::list.  Typedef public Elements_iterator.  Add
10235         orphan_section_placement_, data_segment_align_start_, and
10236         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10237         field.
10238         * script-sections.cc (class Orphan_section_placement): New class.
10239         (class Sections_element): Add virtual functions is_relro and
10240         orphan_section_init.  Remove virtual function place_orphan_here.
10241         (class Output_section_definition): Add is_relro and
10242         orphan_section_init.  Remove place_orphan_here.
10243         (class Orphan_output_section): Likewise.
10244         (Script_sections::Script_sections): Update for field changes.
10245         (Script_sections::data_segment_align): Set saw_data_segment_align_
10246         and data_segment_align_start_, not data_segment_align_index.
10247         (Script_sections::data_segment_relro_end): Check
10248         saw_data_segment_align_.  Use data_segment_align_start_ rather
10249         than data_segment_align_index_.
10250         (Script_sections::place_orphan): Rewrite to use
10251         Orphan_section_placement.
10252
10253 2009-03-17  Ian Lance Taylor  <iant@google.com>
10254
10255         * archive.cc (Archive::add_symbols): Check for a version attached
10256         to the symbol name in the archive map.
10257         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10258         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10259         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10260         (ver_test_11.a): New target.
10261         * testsuite/Makefile.in: Rebuild.
10262
10263         * configure.ac: Check for chsize and posix_fallocate.  Replace
10264         ftruncate.
10265         * ftruncate.c: New file, from gnulib.
10266         * output.cc (posix_fallocate): Define dummy version if not
10267         HAVE_POSIX_FALLOCATE.
10268         (Output_file::map): Call posix_fallocate rather than lseek and
10269         write.
10270         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10271         * configure, Makefile.in, config.in: Rebuild.
10272
10273 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10274
10275         * layout.h (Layout::create_note): Add section_name parameter.
10276         * layout.cc (Layout::create_note): Likewise.
10277         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
10278
10279 2009-03-17  Ian Lance Taylor  <iant@google.com>
10280
10281         * descriptors.cc: Include "options.h".
10282         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
10283         (Descriptors::open): Always use O_CLOEXEC when opening a new
10284         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
10285         then set FD_CLOEXEC.
10286
10287         * sparc.cc (class Target_sparc): Add has_got_section.
10288         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
10289         make sure we have a GOT section.
10290
10291         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
10292         (Target_sparc::Scan::local): Likewise.
10293         (Target_sparc::Scan::global): Likewise.
10294         (Target_sparc::Relocate::relocate): Likewise.
10295         (Target_sparc::Relocate::relocate_tls): Likewise.
10296
10297         * symtab.cc (Symbol_table::define_default_version): New function,
10298         broken out of add_from_object.
10299         (Symbol_table::add_from_object): Call define_default_version.
10300         (Symbol_table::define_special_symbol): Add resolve_oldsym
10301         parameter.  Change all callers.  If the version for a symbol comes
10302         from a version script, resolve it with the symbol with the same
10303         name with no version.  Also add the symbol without a version if
10304         appropriate.
10305         (do_define_in_output_data): If resolving with oldsym, don't delete
10306         sym.
10307         (do_define_in_output_segment): Likewise.
10308         (do_define_as_constant): Likewise.
10309         * symtab.h (class Symbol_table): Update declarations.
10310
10311 2009-03-13  Ian Lance Taylor  <iant@google.com>
10312
10313         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10314         (Read_symbols::requeue): New function.
10315         (Read_symbols::do_read_symbols): If make_elf_object fails because
10316         the target type is not configured, and the file was searched for,
10317         issue a warning and retry with the next directory.
10318         (Add_symbols::run): If the file has an incompatible format, and
10319         it was searched for, requeue the Read_symbols task.  On error,
10320         release the object.
10321         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10322         dirindex parameter to constructor.  Change all callers.  Declare
10323         incompatible_warning and requeue.
10324         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10325         input_argument_ and input_group_ fields.  Add them to
10326         constructor.  Change all callers.
10327         (class Read_script): Add dirindex_ field.  Add it to constructor.
10328         Change all callers.
10329         * archive.cc (Archive::setup): Remove input_objects parameter.
10330         Change all callers.
10331         (Archive::get_file_and_offset): Likewise.
10332         (Archive::read_all_symbols): Likewise.
10333         (Archive::read_symbols): Likewise.
10334         (Archive::get_elf_object_for_member): Remove input_objects
10335         parameter.  Add punconfigured parameter.  Change all callers.
10336         (Archive::add_symbols): Change return type to bool.  Check return
10337         value of include_member.
10338         (Archive::include_all_members): Likewise.
10339         (Archive::include_member): Change return type to bool.  Return
10340         false if first included object has incompatible target.  Set
10341         included_member_ field.
10342         (Add_archive_symbols::run): If add_symbols returns false, requeue
10343         Read_symbols task.
10344         * archive.h (class Archive): Add included_member_ field.
10345         Initialize it in constructor.  Add input_file and searched_for
10346         methods.  Update declarations.
10347         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10348         input_argument_ fields.  Add them to constructor.  Change all
10349         callers.
10350         * script.cc: Include "target-select.h".
10351         (class Parser_closure): Add skip_on_incompatible_target_ and
10352         found_incompatible_target_ fields.  Add
10353         skip_on_incompatible_target parameter to constructor.  Change all
10354         callers.  Add methods skip_on_incompatible_target,
10355         clear_skip_on_incompatible_target, found_incompatible_target, and
10356         set_found_incompatible_target.
10357         (read_input_script): Add dirindex parameter.  Change all callers.
10358         If parser finds an incompatible target, requeue Read_symbols
10359         task.
10360         (script_set_symbol): Clear skip_on_incompatible_target in
10361         closure.
10362         (script_add_assertion, script_parse_option): Likewise.
10363         (script_start_sections, script_add_phdr): Likewise.
10364         (script_check_output_format): New function.
10365         * script.h (read_input_script): Update declaration.
10366         * script-c.h (script_check_output_format): Declare.
10367         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10368         (ignore_cmd): Remove OUTPUT_FORMAT.
10369         * fileread.cc (Input_file::Input_file): Add explicit this.
10370         (Input_file::will_search_for): New function.
10371         (Input_file::open): Add pindex parameter.  Change all callers.
10372         * fileread.h (class Input_file): Add input_file_argument method.
10373         Declare will_search_for.  Update declarations.
10374         * object.cc (make_elf_object): Add punconfigured parameter.
10375         Change all callers.
10376         * object.h (class Object): Make input_file public.  Add
10377         searched_for method.
10378         (make_elf_object): Update declaration.
10379         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10380         restart search.
10381         * dirsearch.h (class Dirsearch): Update declaration.
10382         * options.h (class General_options): Add --warn-search-mismatch.
10383         * parameters.cc (Parameters::is_compatible_target): New function.
10384         * parameters.h (class Parameters): Declare is_compatible_target.
10385         * workqueue.cc (Workqueue::add_blocker): New function.
10386         * workqueue.h (class Workqueue): Declare add_blocker.
10387
10388         * fileread.cc (Input_file::open): Remove options parameter.
10389         Change all callers.
10390         (Input_file::open_binary): Likewise.
10391         * script.cc (read_input_script): Likewise.
10392         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10393         options parameter from constructor.  Change all callers.
10394         (class Read_script): Likewise.
10395         * fileread.h (class Input_file): Update declarations.
10396         * script.h (read_input_script): Update declaration.
10397
10398 2009-03-10  Nick Clifton  <nickc@redhat.com>
10399
10400         * po/es.po: New Spanish translation.
10401
10402 2009-03-06  Cary Coutant  <ccoutant@google.com>
10403
10404         * options.cc (parse_short_option): Keep dash_z from registering itself.
10405
10406 2009-03-03  Ian Lance Taylor  <iant@google.com>
10407
10408         PR 9918
10409         * target-reloc.h (relocate_section): Pass output_section to
10410         relocate.
10411         * i386.cc (Target_i386::should_apply_static_reloc): Add
10412         output_section parameter.  Change all callers.
10413         (Target_i386::Relocate::relocate): Add output_section parameter.
10414         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10415         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10416         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10417         * testsuite/two_file_shared.sh: New script.
10418         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10419         (check_DATA): Add two_file_shared.dbg.
10420         (two_file_shared.dbg): New target.
10421         * testsuite/Makefile.in: Rebuild.
10422
10423 2009-03-01  Ian Lance Taylor  <iant@google.com>
10424
10425         * configure.ac: Check for byteswap.h.
10426         * configure: Rebuild.
10427         * config.in: Rebuild.
10428
10429 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10430
10431         * layout.cc (Layout::find_or_add_kept_section): New function.
10432         (Layout::add_comdat): Removed.
10433         * layout.h (struct Kept_section): Move out of class Layout.
10434         Remove trailing underscores from field names.  Add group_sections
10435         field.  Rename group_ field to is_group.  Change all uses.
10436         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10437         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10438         comdat_groups_ field.
10439         (Sized_relobj::include_section_group): Use
10440         find_or_add_kept_section and Kept_section::group_sections.
10441         (Sized_relobj::include_linkonce_section): Likewise.
10442         * object.cc (class Sized_relobj): Don't define Comdat_group or
10443         Comdat_group_table.  Remove find_comdat_group and
10444         add_comdat_group.  Remove comdat_groups_ field.
10445         * plugin.cc (include_comdat_group): Use
10446         Layout::find_or_add_kept_section.
10447
10448 2009-02-28  Ian Lance Taylor  <iant@google.com>
10449
10450         * README: --gc-sections and map files are now supported.  Document
10451         some build requirements.
10452
10453         PR 6992
10454         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10455         relocatable link set the value of the section symbol to zero.
10456         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10457         relocatable link don't include the section address in the local
10458         symbol value.
10459
10460 2009-02-27  Ian Lance Taylor  <iant@google.com>
10461
10462         PR 6811
10463         * options.h (class Search_directory): Add is_system_directory.
10464         (class General_options): Declare is_in_system_directory.
10465         * options.cc (get_relative_sysroot): Make static.
10466         (get_default_sysroot): Make static.
10467         (General_optoins::is_in_system_directory): New function.
10468         * fileread.cc (Input_file::is_in_system_directory): New function.
10469         * fileread.h (class Input_file): Declare is_in_system_directory.
10470         * object.h (class Object): Add is_in_system_directory.
10471         (class Input_objects): Remove system_library_directory_ field.
10472         * object.cc (Input_objects::add_object): Don't set
10473         system_library_directory_.
10474         (input_objects::found_in_system_library_directory): Remove.
10475         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10476         parameter.  Change all callers.
10477         (Symbol_table::sized_write_globals): Likewise.
10478         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10479         Call Object::is_in_system_directory.
10480         * symtab.h (class Symbol_table): Update declarations.
10481
10482         PR 5990
10483         * descriptors.h (Open_descriptor): Add is_on_stack field.
10484         * descriptors.cc (Descriptors::open): If the descriptor is on the
10485         top of the stack, remove it.  Initialize is_on_stack field.
10486         (Descriptors::release): Only add pod to stack if it is not on the
10487         stack already.
10488         (Descriptors::close_some_descriptor): Clear stack_next and
10489         is_on_stack fields.
10490
10491         PR 7091
10492         * output.cc (Output_section::find_starting_output_address): Rename
10493         from starting_output_address; add PADDR parameter; change return
10494         type.
10495         * output.h (class Output_section): Declare
10496         find_starting_output_address instead of starting_output_address.
10497         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10498         section symbol for which we can't find a merge section.
10499
10500         PR 9836
10501         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10502         hidden or internal, force the symbol to be local.
10503         * resolve.cc (Symbol::override_visibility): Define.
10504         (Symbol::override_base): Use override_visibility.
10505         (Symbol_table::resolve): Likewise.
10506         (Symbol::override_base_with_special): Likewise.
10507         (Symbol_table::override_with_special): If the visibility is hidden
10508         or internal, force the symbol to be local.
10509         * symtab.h (class Symbol): Add set_visibility and
10510         override_visibility.
10511         * testsuite/ver_test_1.sh: New file.
10512         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10513         (check_DATA): Add ver_test_1.syms.
10514         (ver_test_1.syms): New target.
10515         * testsuite/Makefile.in: Rebuild.
10516
10517 2009-02-25  Cary Coutant  <ccoutant@google.com>
10518
10519         * layout.cc (Layout::choose_output_section): Don't rename sections
10520         when using a linker script that has a SECTIONS clause.
10521         * Makefile.in: Regenerate.
10522
10523         * testsuite/Makefile.am (script_test_5.sh): New test case.
10524         * testsuite/Makefile.in: Regenerate.
10525         * testsuite/script_test_5.cc: New file.
10526         * testsuite/script_test_5.sh: New file.
10527         * testsuite/script_test_5.t: New file.
10528
10529 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10530
10531         * archive.cc (Archive::include_member): Update calls to add_symbols.
10532         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10533         the Layout argument.
10534         * dynobj.h (do_add_symbols): Add the Layout argument.
10535         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10536         Layout argument.
10537         * object.h (Object::add_symbols): Add the Layout argument.
10538         (Object::do_add_symbols): Add the Layout argument.
10539         (Sized_relobj::do_add_symbols): Add the Layout argument.
10540         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10541         Unify the two versions.
10542         (Add_plugin_symbols): Remove.
10543         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10544         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10545         (Add_plugin_symbols): Remove.
10546         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10547         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10548         (Add_symbols::run): Make it work with Pulginobj.
10549
10550 2009-02-06  Ian Lance Taylor  <iant@google.com>
10551
10552         * object.cc (Sized_relobj::do_layout): Make info message start
10553         with lower case letter.
10554
10555 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10556
10557         * binary.cc: Fix file comment.
10558
10559         * options.h (enum Incremental_disposition): Define.
10560         (class General_options): Add new options: --incremental,
10561         --incremental_changed, --incremental_unchanged,
10562         --incremental_unknown.  Add incremental_disposition_ and
10563         implicit_incremental_ fields.
10564         (General_options::incremental_disposition): New function.
10565         (class Position_dependent_options): Add incremental_disposition
10566         option.
10567         (Position_dependent_options::copy_from_options): Set incremental
10568         dispositions.
10569         * options.cc (General_options::parse_incremental_changed): New
10570         function.
10571         (General_options::parse_incremental_unchanged): New function.
10572         (General_options::parse_incremental_unknown): New function.
10573         (General_options::General_options): Initialize new fields
10574         incremental_disposition_ and implicit_incremental_.
10575         (General_options::finalize): Check for uasge of --incremental-*
10576         without --incremental.
10577
10578 2009-02-06  Chris Demetriou  <cgd@google.com>
10579
10580         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10581         pointer and to report location as the file name associated with
10582         the symbol.
10583         (gold_undefined_symbol_at_location): New function to replace the
10584         old gold_undefined_symbol functionality.
10585         * target-reloc.h (relocate_section): Update to use
10586         gold_undefined_symbol_at_location.
10587         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10588         Call gold_undefined_symbol function rather than gold_error.
10589         * errors.h (Errors::undefined_symbol): Take location as a
10590         string, rather than calculating it from a relocation.
10591         * errors.cc (Errors::fatal): Print "fatal error:" before the
10592         formatted message.
10593         (Errors::error, Errors::error_at_location): Print "error: "
10594         before the formatted message.
10595         (Errors::undefined_symbol): Take location as a string, rather
10596         than calculating it from a relocation.
10597         (gold_undefined_symbol_at_location): New function akin to
10598         old gold_undefined_symbol, calculates location from relocation.
10599         (gold_undefined_symbol): Change to take only a Symbol pointer
10600         and to report location as the file name associated with the symbol.
10601         * testsuite/debug_msg.sh: Update for changed error messages.
10602         * testsuite/undef_symbol.sh: Likewise.
10603
10604 2009-02-04  Duncan Sands  <baldrick@free.fr>
10605
10606         PR 9812
10607         * reduced_debug_output.h
10608         (Output_reduced_debug_abbrev_section::failed): Use format for
10609         gold_warning.
10610         (Output_reduced_debug_info_section::faild): Likewise.
10611
10612 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10613
10614         * script.cc (Lazy_demangler): New class.
10615         (Version_script_info::get_symbol_version_helper): Demangle a
10616         symbol only once.
10617
10618 2009-01-29  Cary Coutant  <ccoutant@google.com>
10619
10620         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10621         to __tls_get_addr.
10622         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10623
10624 2009-01-28  Ian Lance Taylor  <iant@google.com>
10625
10626         * version.cc (version_string): Bump to 1.9.
10627
10628         * gold.h: Include <cstring> and <stdint.h>.
10629         * version.cc: Include <cstdio>.
10630         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10631         warning.
10632         * reduced_debug_output.cc (insert_into_vector): Rename from
10633         Insert_into_vector; change all callers.  Use Swap_unaligned to
10634         avoid aliasing issue; remove union since it is unnecessary.
10635
10636 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10637
10638         * Makefile.am (CCFILES): Add gc.cc.
10639         (HFILES): Add gc.h.
10640         * Makefile.in: Regenerate.
10641         * gold.cc (Gc_runner): New class.
10642         (queue_initial_tasks): Call garbage collection related tasks
10643         when corresponding options are invoked.
10644         (queue_middle_gc_tasks): New function.
10645         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10646         processed early before laying out sections during garbage collection.
10647         * gold.h (queue_middle_gc_tasks): New function.
10648         (is_prefix_of): Move from "layout.cc".
10649         * i386.cc (Target_i386::gc_process_relocs): New function.
10650         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10651         * main.cc (main): Create object of class "Garbage_collection".
10652         * object.cc (Relobj::copy_symbols_data): New function.
10653         (Relobj::is_section_name_included): New function.
10654         (Sized_relobj::do_layout): Allow this function to be called twice
10655         during garbage collection and defer layout of section during the
10656         first call.
10657         * object.h (Relobj::get_symbols_data): New function.
10658         (Relobj::is_section_name_included): New function.
10659         (Relobj::copy_symbols_data): New function.
10660         (Relobj::set_symbols_data): New function.
10661         (Relobj::get_relocs_data): New function.
10662         (Relobj::set_relocs_data): New function.
10663         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10664         (Relobj::gc_process_relocs): New function.
10665         (Relobj::do_gc_process_relocs): New pure virtual function.
10666         (Relobj::sd_): New data member.
10667         (Sized_relobj::is_output_section_offset_invalid): New function.
10668         (Sized_relobj::do_gc_process_relocs): New function.
10669         * options.h (General_options::gc_sections): Modify to not be a no-op.
10670         (General_options::print_gc_sections): New option.
10671         * plugin.cc (Plugin_finish::run): Remove function call to
10672         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10673         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10674         * reloc.cc (Read_relocs::run): Add task to process relocs and
10675         determine unreferenced sections when doing garbage collection.
10676         (Gc_process_relocs): New class.
10677         (Sized_relobj::do_gc_process_relocs): New function.
10678         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10679         sections that are garbage collected.
10680         * reloc.h (Gc_process_relocs): New class.
10681         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10682         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10683         symbols whose corresponding sections are garbage collected.
10684         (Symbol_table::Symbol_table): Add new parameter for the garbage
10685         collection object.
10686         (Symbol_table::gc_mark_undef_symbols): New function.
10687         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10688         (Symbol_table::gc_mark_dyn_syms): New function.
10689         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10690         as garbage.
10691         (Symbol_table::add_from_object): Likewise.
10692         (Symbol_table::add_from_relobj): When building shared objects, do not
10693         treat externally visible symbols as garbage.
10694         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10695         table information for static and relocatable links.
10696         * symtab.h (Symbol_table::set_gc): New function.
10697         (Symbol_table::gc): New function.
10698         (Symbol_table::gc_mark_undef_symbols): New function.
10699         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10700         (Symbol_table::gc_mark_dyn_syms): New function.
10701         (Symbol_table::gc_): New data member.
10702         * target.h (Sized_target::gc_process_relocs): New pure virtual
10703         function.
10704         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10705         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10706
10707 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10708
10709         * options.h (General_options::gc_sections): Define as a no-op for now.
10710         (General_options::no_keep_memory): Ditto.
10711         (General_options::Bshareable): Define.
10712         * options.cc (General_options::finalize): Honor -Bshareable.
10713
10714 2009-01-20  Andreas Schwab  <schwab@suse.de>
10715
10716         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10717         read the value in the contents, since we don't use it.  Use the
10718         template endianness when writing.
10719         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10720
10721 2009-01-19  Andreas Schwab  <schwab@suse.de>
10722
10723         * configure.tgt (powerpc64-*): Fix targ_obj.
10724
10725 2009-01-15  Ian Lance Taylor  <iant@google.com>
10726
10727         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10728         local symbols when stripping all symbols.
10729
10730 2009-01-14  Cary Coutant  <ccoutant@google.com>
10731
10732         * output.cc (Output_reloc): Add explicit instantiations.
10733
10734 2009-01-14  Cary Coutant  <ccoutant@google.com>
10735
10736         * archive.cc (Archive::get_elf_object_for_member): Remove call
10737         to File_read::claim_for_plugin.
10738         * descriptors.cc (Descriptors::open): Remove reference to
10739         is_claimed.
10740         (Descriptors::claim_for_plugin): Remove.
10741         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10742         (Descriptors::is_claimed): Remove.
10743         (claim_descriptor_for_plugin): Remove.
10744         * fileread.cc (File_read::claim_for_plugin): Remove.
10745         * fileread.h (File_read::claim_for_plugin): Remove.
10746         (File_read::descriptor): Reopen descriptor if necessary.
10747         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10748         (Plugin_manager::all_symbols_read): Add task parameter. Change
10749         all callers.
10750         (Plugin_manager::get_input_file): New function.
10751         (Plugin_manager::release_input_file): New function.
10752         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10753         corresponding data member.
10754         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10755         and pass to base constructor. Change all callers.
10756         (get_input_file, release_input_file): New functions.
10757         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10758         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10759         (Plugin_manager::all_symbols_read): Add task parameter.
10760         (Plugin_manager::get_input_file): New function.
10761         (Plugin_manager::release_input_file): New function.
10762         (Plugin_manager::task_): New data member.
10763         (Pluginobj::Pluginobj): Add filesize parameter.
10764         (Pluginobj::filename): New function.
10765         (Pluginobj::descriptor): New function.
10766         (Pluginobj::filesize): New function.
10767         (Pluginobj::filesize_): New data member.
10768         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10769         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10770         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10771
10772         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10773         with archive libraries.
10774         * testsuite/Makefile.in: Regenerate.
10775         * testsuite/plugin_test.c (struct sym_info): New type.
10776         (get_input_file, release_input_file): New static variables.
10777         (onload): Capture new transfer vector entries.
10778         (claim_file_hook): Stop reading at end of file according to filesize.
10779         Factor out parsing of readelf output into separate function.
10780         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10781         APIs and get the source file name from the symbol table.  Convert
10782         source file name to corresponding object file name.  Print info
10783         message when adding new input files.
10784         (parse_readelf_line): New function.
10785         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10786         * testsuite/plugin_test_2.sh: Likewise.
10787         * testsuite/plugin_test_3.sh: Likewise.
10788         * testsuite/plugin_test_4.sh: New test case.
10789
10790 2009-01-07  Ian Lance Taylor  <iant@google.com>
10791
10792         * version.cc (version_string): Bump to 1.8.
10793
10794 2008-12-23  Cary Coutant  <ccoutant@google.com>
10795
10796         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10797         * plugin.cc (Plugin_manager::finish): Rename as
10798         layout_deferred_objects.  Move cleanup to separate function.
10799         (Plugin_manager::cleanup): New function.
10800         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10801         separately.
10802         * plugin.h (Plugin_manager::finish): Rename as
10803         layout_deferred_objects.
10804         (Plugin_manager::cleanup): New function.
10805         (Plugin_manager::cleanup_done): New field.
10806
10807 2008-12-23  Cary Coutant  <ccoutant@google.com>
10808
10809         * plugin.cc (is_visible_from_outside): New function.
10810         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10811         so we don't return "IR only" status for exported symbols or -r links.
10812
10813         * testsuite/Makefile.am (plugin_test_3): New test case.
10814         * testsuite/Makefile.in: Regenerate.
10815         * testsuite/plugin_test_3.sh: New file.
10816
10817 2008-12-22  Cary Coutant  <ccoutant@google.com>
10818
10819         * object.cc (Sized_relobj::layout_section): New function.
10820         (Sized_relobj::do_layout): Defer layout of input sections until after
10821         plugin has provided replacement files.
10822         (Sized_relobj::do_layout_deferred_sections): New function.
10823         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10824         (Relobj::layout_deferred_sections): New function.
10825         (Relobj::do_layout_deferred_sections): New function.
10826         (Sized_relobj::do_layout_deferred_sections): New function.
10827         (Sized_relobj::layout_section): New function.
10828         (Sized_relobj::Deferred_layout): New structure.
10829         (Sized_relobj::deferred_layout_): New field.
10830         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10831         Change all callers.  Layout deferred sections.
10832         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10833         references.
10834         (Plugin_hook::run): Move code from do_plugin_hook inline.
10835         (Plugin_hook::do_plugin_hook): Remove.
10836         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10837         (Plugin_manager::finish): Renamed, was cleanup.
10838         (Plugin_manager::should_defer_layout): New function.
10839         (Plugin_manager::add_deferred_layout_object): New function.
10840         (Plugin_manager::Deferred_layout_list): New type.
10841         (Plugin_manager::deferred_layout_objects_): New field.
10842         (Plugin_hook::do_plugin_hook): Remove.
10843
10844 2008-12-17  Ian Lance Taylor  <iant@google.com>
10845
10846         * options.h (class General_options): Add --no case for
10847         --export-dynamic.
10848
10849 2008-12-16  Cary Coutant  <ccoutant@google.com>
10850
10851         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10852         vector.
10853         (Plugin_manager::claim_file): Create plugin object even if
10854         plugin did not call the add_symbols callback.
10855         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10856         asking for more symbols than were added.
10857         * testsuite/Makefile.am (plugin_test_1): Add test case with
10858         no global symbols.
10859         (empty.syms): New target.
10860         * testsuite/Makefile.in: Regenerate.
10861         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10862         message. Don't call add_symbols if no globals.
10863         (all_symbols_read_hook): Don't provide replacement for empty
10864         claimed file.
10865
10866 2008-12-12  Ian Lance Taylor  <iant@google.com>
10867
10868         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10869         r_type == 0 for a local symbol with r_sym == 0.
10870         (scan_relocatable_relocs): Pass r_sym to
10871         local_non_section_strategy.
10872         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10873         r_sym parameter.
10874
10875         * configure.ac: Update test for TLS descriptors: they are
10876         supported as of glibc 2.9.
10877         * configure: Rebuild.
10878
10879 2008-12-11  Ian Lance Taylor  <iant@google.com>
10880
10881         PR 7091
10882         * target-reloc.h (Default_scan_relocatable_relocs): For each
10883         function, map r_type == 0 to RELOC_DISCARD.
10884
10885 2008-12-10  Cary Coutant  <ccoutant@google.com>
10886
10887         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10888         object to override a kept COMDAT group from a plugin object.
10889
10890 2008-12-09  Ian Lance Taylor  <iant@google.com>
10891
10892         PR 7088
10893         * yyscript.y (file_cmd): Handle INPUT.
10894
10895         * testsuite/initpri1.c: Change all declarations to be full
10896         prototypes by adding void, to avoid compiler warnings.
10897
10898 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10899
10900         * options.cc (General_options::parse_plugin_opt): New.
10901         (General_options::add_plugin): The argument now is just the filename.
10902         (General_options::add_plugin_option): New.
10903         * options.h (plugin_opt): New.
10904         (add_plugin): Change argument name.
10905         (add_plugin_option): New.
10906         * plugin.cc (Plugin::load): Don't parse the plugin option.
10907         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10908         (Plugin::add_option): New.
10909         (Plugin::args_): Change type.
10910         (Plugin::filename_): New.
10911         (Plugin_manager::add_plugin_option): New.
10912         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10913         * testsuite/Makefile.in: Regenerate.
10914
10915 2008-12-05  Cary Coutant  <ccoutant@google.com>
10916
10917         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10918         Handle --strip-lto-sections option.
10919         * options.h (strip_lto_sections): New option.
10920
10921 2008-12-01  Cary Coutant  <ccoutant@google.com>
10922
10923         * plugin.cc (ld_plugin_message): Change format parameter to const.
10924         Fix mismatch between new[] and delete.
10925
10926 2008-11-14  Cary Coutant  <ccoutant@google.com>
10927
10928         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10929         instead of -1U.
10930
10931 2008-11-05  Craig Silverstein  <csilvers@google.com>
10932
10933         * options.cc (General_options::parse_dynamic_list): New function.
10934         * options.h (General_options): New flags dynamic_list,
10935         dynamic_list_data, dynamic_list_cpp_new, and
10936         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10937         (General_options::in_dynamic_list): New function.
10938         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10939         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10940         (Lex::can_continue_name): Likewise.
10941         (yylex): Likewise.
10942         (read_script_file): New parameter script_options.
10943         (read_dynamic_list): New function.
10944         (Script_options::define_dynamic_list): New function.
10945         (dynamic_list_keyword_parsecodes): New variable.
10946         (dynamic_list_keywords): New variable.
10947         * script.h (Script_options::define_dynamic_list): New function
10948         prototype.
10949         (read_dynamic_list): New function prototype.
10950         * symtab.cc (strprefix): New macro.
10951         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10952         dynamic_list_data, dynamic_list_cpp_new, and
10953         dynamic_list_cpp_typeinfo.
10954         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10955         (dynamic_list_expr): New rule.
10956         (dynamic_list_nodes): Likewise.
10957         (dynamic_list_node): Likewise.
10958         * testsuite/Makefile.am (dynamic_list): New test.
10959         * testsuite/Makefile.in: Regenerated.
10960         * testsuite/dynamic_list.t: New file.
10961         * testsuite/dynamic_list.sh: New file.
10962
10963 2008-11-05  Craig Silverstein  <csilvers@google.com>
10964
10965         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10966         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10967         (t11_last): Likewise.
10968         * testsuite/ver_test_6.c (main): Likewise.
10969
10970 2008-10-07  Cary Coutant  <ccoutant@google.com>
10971
10972         * options.c (General_options::finalize): Add check for -static and
10973         -shared.
10974         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10975         is not empty.
10976
10977 2008-10-02  Cary Coutant  <ccoutant@google.com>
10978
10979         * plugin.cc (make_sized_plugin_object): Fix conditional
10980         compilation to work when not all targets are enabled.
10981
10982 2008-09-29  Cary Coutant  <ccoutant@google.com>
10983
10984         * archive.cc (Archive::get_file_and_offset): Use filename instead
10985         of name to get library path.
10986         (Archive::include_member): Unlock external member of a thin archive.
10987
10988         * testsuite/Makefile.am (TEST_AR): New variable.
10989         (thin_archive_test_1): New test.
10990         (thin_archive_test_2): New test.
10991         * testsuite/Makefile.in: Regenerate.
10992         * testsuite/thin_archive_main.cc: New file.
10993         * testsuite/thin_archive_test_1.cc: New file.
10994         * testsuite/thin_archive_test_2.cc: New file.
10995         * testsuite/thin_archive_test_3.cc: New file.
10996         * testsuite/thin_archive_test_4.cc: New file.
10997
10998 2008-09-29  Cary Coutant  <ccoutant@google.com>
10999
11000         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11001         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11002         instead of -1U.
11003         (Sized_relobj::do_finalize_local_symbols): Likewise.
11004         (Sized_relobj::map_to_kept_section): Likewise.
11005         * object.h (Sized_relobj::invalid_address): New constant.
11006         (Sized_relobj::do_output_section_offset): Check for invalid_address
11007         and return -1ULL.
11008         * output.cc (Output_reloc::local_section_offset): Use constant
11009         invalid_address instead of -1U.
11010         (Output_reloc::get_address): Likewise.
11011         (Output_section::output_address): Change -1U to -1ULL.
11012         * output.h (Output_reloc::invalid_address): New constant.
11013         * reloc.cc (Sized_relobj::write_sections): Use constant
11014         invalid_address instead of -1U.
11015         (Sized_relobj::relocate_sections): Likewise.
11016         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11017         values for merge sections.
11018         * target-reloc.h (relocate_for_relocatable): Use constant
11019         invalid_address instead of -1U.
11020
11021 2008-09-19  Cary Coutant  <ccoutant@google.com>
11022
11023         Add plugin functionality for link-time optimization (LTO).
11024         * configure.ac (plugins): Add --enable-plugins option.
11025         * configure: Regenerate.
11026         * config.in: Regenerate.
11027         * Makefile.am (LIBDL): New variable.
11028         (CCFILES): Add plugin.cc.
11029         (HFILES): Add plugin.h.
11030         (ldadd_var): Add LIBDL.
11031         * Makefile.in: Regenerate.
11032
11033         * archive.cc: Include "plugin.h".
11034         (Archive::setup): Don't preread archive symbols when using a plugin.
11035         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11036         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11037         files.
11038         (Archive::include_member): Add symbols from plugin objects.
11039         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11040         * descriptors.cc (Descriptors::open): Check for file descriptors
11041         abandoned by plugins.
11042         (Descriptors::claim_for_plugin): New function.
11043         * descriptors.h (Descriptors::claim_for_plugin): New function.
11044         (Open_descriptor::is_claimed): New field.
11045         (claim_descriptor_for_plugin): New function.
11046         * fileread.cc (File_read::claim_for_plugin): New function.
11047         * fileread.h (File_read::claim_for_plugin): New function.
11048         (File_read::descriptor): New function.
11049         * gold.cc: Include "plugin.h".
11050         (queue_initial_tasks): Add task to call plugin hooks for generating
11051         new object files.
11052         * main.cc: Include "plugin.h".
11053         (main): Load plugin libraries.
11054         * object.h (Pluginobj): Declare.
11055         (Object::pluginobj): New function.
11056         (Object::do_pluginobj): New function.
11057         (Object::set_target): New function.
11058         * options.cc: Include "plugin.h".
11059         (General_options::parse_plugin): New function.
11060         (General_options::General_options): Initialize plugins_ field.
11061         (General_options::add_plugin): New function.
11062         * options.h (Plugin_manager): Declare.
11063         (General_options): Add --plugin option.
11064         (General_options::has_plugins): New function.
11065         (General_options::plugins): New function.
11066         (General_options::add_plugin): New function.
11067         (General_options::plugins_): New field.
11068         * plugin.cc: New file.
11069         * plugin.h: New file.
11070         * readsyms.cc: Include "plugin.h".
11071         (Read_symbols::do_read_symbols): Check for archive before checking
11072         for ELF file.  Call plugin hooks to claim files.
11073         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11074         from a real object file; force override when processing replacement
11075         files.
11076         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11077         (Symbol::init_base_object): Likewise.
11078         (Symbol::init_base_output_data): Likewise.
11079         (Symbol::init_base_output_segment): Likewise.
11080         (Symbol::init_base_constant): Likewise.
11081         (Symbol::init_base_undefined): Likewise.
11082         (Symbol::output_section): Assert that object is not a plugin.
11083         (Symbol_table::add_from_pluginobj): New function.
11084         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11085         undefined.
11086         (Symbol_table::sized_write_globals): Likewise.
11087         (Symbol_table::add_from_pluginobj): Instantiate template.
11088         * symtab.h (Sized_pluginobj): Declare.
11089         (Symbol::in_real_elf): New function.
11090         (Symbol::set_in_real_elf): New function.
11091         (Symbol::in_real_elf_): New field.
11092         (Symbol_table::add_from_pluginobj): New function.
11093
11094         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11095         (LIBDL): New variable.
11096         (LDADD): Add LIBDL.
11097         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11098         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11099         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11100         (MOSTLYCLEANFILES): Likewise.
11101         * testsuite/Makefile.in: Regenerate.
11102         * testsuite/plugin_test.c: New file.
11103         * testsuite/plugin_test_1.sh: New file.
11104         * testsuite/plugin_test_2.sh: New file.
11105
11106 2008-09-16  Ian Lance Taylor  <iant@google.com>
11107
11108         * target-reloc.h (relocate_section): Check whether a symbol is
11109         defined by the ABI before reporting an undefined symbol error.
11110         * target.h (Target::is_defined_by_abi): Make parameter const.
11111         (Target::do_is_defined_by_abi): Likewise.
11112         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11113         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11114         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11115         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11116         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11117         * testsuite/Makefile.in: Rebuild.
11118
11119         * fileread.cc (make_view): Add casts to avoid warning.
11120
11121 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11122
11123         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11124         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11125
11126 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11127
11128         * options.h (General_options::output_is_executable): New.
11129         (General_options::output_is_pie): New.
11130         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11131         for shared libraries.
11132         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11133
11134 2008-09-11  Chris Demetriou  <cgd@google.com>
11135
11136         * options.h (origin): New -z option.
11137         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11138         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11139         in DT_FLAGS_1.
11140
11141 2008-09-05  Cary Coutant  <ccoutant@google.com>
11142
11143         * fileread.cc (File_read::make_view): Add check for attempt to map
11144         beyond end of file.
11145
11146 2008-09-05  Cary Coutant  <ccoutant@google.com>
11147
11148         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11149         explicit instantiations.
11150
11151 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11152
11153         PR gold/6858
11154         * options.cc (General_options::finalize): Allow undefined symbols
11155         in shlibs if linking -shared.
11156
11157         PR gold/6859
11158         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11159         symbols as not needing a dynsym entry.
11160
11161 2008-08-20  Craig Silverstein  <csilvers@google.com>
11162
11163         * fileread.cc (File_read::open): Do not lock the file unless it
11164         was successfully opened.
11165
11166 2008-08-14  Cary Coutant  <ccoutant@google.com>
11167
11168         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11169         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11170         * testsuite/tls_test.cc (struct int128): 128-bit struct
11171         for testing TLS relocs with non-zero addend.
11172         (v12): New TLS variable.
11173         (t12): New test.
11174         (t_last): Add check for v12.
11175         * testsuite/tls_test.h (t12): New function.
11176         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11177
11178 2008-08-13  Ian Lance Taylor  <iant@google.com>
11179
11180         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11181         set tls_segment_ or relro_segment_.
11182         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11183         when appropriate.
11184         * output.h (Output_section::clear_is_relro): New function.
11185         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11186         sections specially even when output_data_ is empty.
11187         (Output_segment::maximum_alignment): When first section is relro,
11188         only force alignment for PT_LOAD segments.
11189         * script.cc (script_data_segment_align): New function.
11190         (script_data_segment_relro_end): New function.
11191         * script-c.h (script_data_segment_align): Declare.
11192         (script_data_segment_relro_end): Declare.
11193         * script-sections.h (class Script_sections): Declare
11194         data_segment_align and data_segment_relro_end.  Add fields
11195         segment_align_index_ and saw_relro_end_.
11196         * script-sections.cc (class Sections_element): Add set_is_relro
11197         virtual function.  Add new bool* parameter to place_orphan_here.
11198         Add get_output_section virtual function.
11199         (class Output_section_definition): Add set_is_relro.  Add new
11200         bool* parameter to place_orphan_here.  Add get_output_section.
11201         Add is_relro_ field.
11202         (Output_section_definition::Output_section_definition): Initialize
11203         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11204         and is_relro_ fields.
11205         (Output_section_definition::place_orphan_here): Add is_relro
11206         parameter.
11207         (Output_section_definition::set_section_addresses): Set relro for
11208         output section.
11209         (Output_section_definition::alternate_constraint): Likewise.
11210         (class Orphan_output_section): Add new bool* parameter to
11211         place_orphan_here.  Add get_output_section.
11212         (Orphan_output_section::place_orphan_here): Add is_relro
11213         parameter.
11214         (Script_sections::Script_sections): Initialize
11215         data_segment_align_index_ and saw_relro_end_.
11216         (Script_sections::data_segment_align): New function.
11217         (Script_sections::data_segment_relro_end): New function.
11218         (Script_sections::place_orphan): Set or clear is_relro.
11219         (Script_sections::set_section_addresses): Force alignment of first
11220         TLS section.
11221         * yyscript.y (exp): Call script_data_segment_align and
11222         script_data_segment_relro_end.
11223         * testsuite/relro_script_test.t: New file.
11224         * testsuite/relro_test.cc (using_script): Declare.
11225         (t1, t2): Test using_script.
11226         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
11227         (relro_script_test_SOURCES): Define.
11228         (relro_script_test_DEPENDENCIES): Define.
11229         (relro_script_test_LDFLAGS): Define.
11230         (relro_script_test_LDADD): Define.
11231         (relro_script_test.so): New target.
11232         * testsuite/Makefile.in: Rebuild.
11233
11234 2008-08-06  Cary Coutant <ccoutant@google.com>
11235
11236         * archive.cc (Archive::total_archives, Archive::total_members)
11237         (Archive::total_members_loaded): New variables.
11238         (Archive::setup): Add parameter.  Add option to preread
11239         archive symbols.
11240         (Archive::read_armap): Add counter.
11241         (Archive::get_file_and_offset): New function.
11242         (Archive::get_elf_object_for_member): New function.
11243         (Archive::read_all_symbols): New function.
11244         (Archive::read_symbols): New function.
11245         (Archive::add_symbols): Add counters.
11246         (Archive::include_all_members): Use armap to find members if it's
11247         already built.
11248         (Archive::include_member): Skip reading symbols if already read.
11249         Factored code into Archive::get_file_and_offset and
11250         Archive::get_elf_object_for_member.  Changed call to
11251         Mapfile::report_include_archive_member.
11252         (Archive::print_stats): New function.
11253         * archive.h: Declare Object and Read_symbols_data classes.
11254         (Archive::Archive): Add initializers for new members.
11255         (Archive::setup): Add parameter.
11256         (Archive::print_stats): New function.
11257         (Archive::total_archives, Archive::total_members)
11258         (Archive::total_members_loaded): New variables.
11259         (Archive::get_file_and_offset): New function.
11260         (Archive::get_elf_object_for_member): New function.
11261         (Archive::read_all_symbols): New function.
11262         (Archive::read_symbols): New function.
11263         (Archive::Archive_member): New class.
11264         (Archive::members_): New member.
11265         (Archive::num_members_): New member.
11266         * main.cc: Include archive.h.
11267         (main): Call Archive::print_stats.
11268         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11269         archive parameter; member_name is now the fully-decorated name.
11270         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11271         * options.h: (General_options): Add --preread-archive-symbols option.
11272         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11273         Archive::setup.
11274
11275 2008-08-04  Ian Lance Taylor  <iant@google.com>
11276
11277         * symtab.h (Symbol::use_plt_offset): New function.
11278         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
11279         * powerpc.cc (Relocate::relocate): Likewise.
11280         * sparc.cc (Relocate::relocate): Likewise.
11281         * x86_64.cc (Relocate::relocate): Likewise.
11282         * testsuite/weak_plt.sh: New test.
11283         * testsuite/weak_plt_main.cc: New test.
11284         * testsuite/weak_plt_shared.cc: New test.
11285         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
11286         (check_PROGRAMS): Add weak_plt.
11287         (check_DATA): Add weak_plt_shared.so.
11288         (weak_plt_main_pic.o, weak_plt): New targets.
11289         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
11290         * testsuite/Makefile.in: Rebuild.
11291
11292         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
11293         gcctestdir/ld.
11294         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
11295         * testsuite/Makefile.in: Rebuild.
11296
11297 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
11298
11299         * Makefile.am (POTFILES.in): Set LC_ALL=C.
11300         * Makefile.in: Regenerate.
11301         * po/POTFILES.in: Regenerate.
11302
11303 2008-07-29  Ian Lance Taylor  <iant@google.com>
11304
11305         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11306         symbols before other symbols.
11307         * testsuite/script_test_2.cc (test_addr): Declare.
11308         (test_addr_alias): Declare.
11309         (main): Check that test_addr and test_addr_alias have the right
11310         values.
11311         * testsuite/script_test_2.t: Define test_addr_alias and
11312         test_addr.
11313
11314 2008-07-24  Ian Lance Taylor  <iant@google.com>
11315
11316         PR 5990
11317         * descriptors.cc: New file.
11318         * descriptors.h: New file.
11319         * gold-threads.h (class Hold_optional_lock): New class.
11320         * fileread.cc: Include "descriptors.h".
11321         (File_read::~File_read): Release descriptor rather than closing
11322         it.
11323         (File_read::open) [file]: Call open_descriptor rather than open.
11324         Set is_descriptor_opened_.
11325         (File_read::open) [memory]: Assert that descriptor is not open.
11326         (File_read::reopen_descriptor): New function.
11327         (File_read::release): Release descriptor.
11328         (File_read::do_read): Make non-const.  Reopen descriptor.
11329         (File_read::read): Make non-const.
11330         (File_read::make_view): Reopen descriptor.
11331         (File_read::do_readv): Likewise.
11332         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11333         Update declarations.
11334         * layout.cc: Include "descriptors.h".
11335         (Layout::create_build_id): Use open_descriptor rather than open.
11336         * output.cc: Include "descriptors.h".
11337         (Output_file::open): Use open_descriptor rather than open.
11338         * archive.cc (Archive::const_iterator): Change Archive to be
11339         non-const.
11340         (Archive::begin, Archive::end): Make non-const.
11341         (Archive::count_members): Likewise.
11342         * archive.h (class Archive): Update declarations.
11343         * object.h (Object::read): Make non-const.
11344         * Makefile.am (CCFILES): Add descriptors.cc.
11345         (HFILES): Add descriptors.h.
11346         * Makefile.in: Rebuild.
11347
11348         PR 6716
11349         * gold.h: Always include <clocale>.  Add Solaris workarounds
11350         following code in binutils/sysdep.h.
11351
11352         PR 6048
11353         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11354         this->eh_frame_hdr_ is NULL before using it.
11355
11356         * dynobj.cc (Versions::Versions): Update comment.
11357
11358         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11359         the base version name.
11360
11361         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11362         array size plus one.
11363         (Stringpool_template::set_string_offsets): Subtract one from key
11364         before using it as an array index.
11365         (Stringpool_template::get_offset_with_length): Likewise.
11366         (Stringpool_template::write_to_buffer): Likewise.
11367         * stringpool.h (Stringpool_template::get_offset_from_key):
11368         Likewise.
11369
11370 2008-07-23  Ian Lance Taylor  <iant@google.com>
11371
11372         PR 6658
11373         * object.h (Merged_symbol_value::value): Do our best to handle a
11374         negative addend.
11375
11376         PR 6647
11377         * script.cc (Version_script_info::get_versions): Don't add empty
11378         version tag to return value.
11379         (Version_script_info::get_symbol_version_helper): Change return
11380         type to bool.  Add pversion parameter.  Change all callers.
11381         (script_register_vers_node): Don't require a non-NULL tag.
11382         * script.h (class Version_script_info): Update declarations.
11383         (Version_script_info::get_symbol_version): Change return type to
11384         bool.  Add version parameter.  Change all callers.
11385         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11386         handling.  Handle an empty version from a version script.
11387         (Symbol_table::define_special_symbol): Likewise.
11388         * testsuite/ver_test_10.script: New file.
11389         * testsuite/ver_test_10.sh: New file.
11390         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11391         (check_DATA): Add ver_test_10.syms.
11392         (ver_test_10.syms, ver_test_10.so): New target.
11393         * testsuite/Makefile.in: Rebuild.
11394
11395 2008-07-23  Simon Baldwin  <simonb@google.com>
11396
11397         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11398         to zero for undefined symbols from dynamic libraries.
11399
11400 2008-07-23  Ian Lance Taylor  <iant@google.com>
11401
11402         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11403         Change all callers.
11404         * symtab.h (class Symbol_table): Update declaration.
11405         * testsuite/ver_test_9.cc: New file.
11406         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11407         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11408         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11409         (ver_test_9.so, ver_test_9.o): New targets.
11410         * testsuite/Makefile.in: Rebuild.
11411
11412 2008-07-22  Ian Lance Taylor  <iant@google.com>
11413
11414         * options.h (class General_options): Define --check-sections.
11415         * layout.cc (Layout::set_segment_offsets): Handle
11416         --check-sections.
11417
11418         * options.h (class General_options): Define -n/--nmagic and
11419         -N/--omagic.
11420         * options.cc (General_options::finalize): For -n/--nmagic or
11421         -N/--omagic, set -static.
11422         * layout.cc (Layout::attach_allocated_section_to_segment): If
11423         -N/--omagic, don't put read-only and read-write sections in
11424         different segments.
11425         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11426         finding a read-only segment.
11427         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11428         don't set the minimum segment alignment to the common page size,
11429         and don't set the file offset to the address modulo the page size.
11430         * script-sections.cc (Script_sections::create_segments): If
11431         -n/--omagic, don't put read-only and read-write sections in
11432         different segments.
11433
11434         * cref.cc: New file.
11435         * cref.h: New file.
11436         * options.h (class General_options): Add --print-symbol-counts.
11437         * main.cc (main): Issue defined symbol report if requested.
11438         * archive.cc (Archive::interpret_header): Make into a const member
11439         function.
11440         (Archive::add_symbols): Call Input_objects::archive_start and
11441         archive_stop.
11442         (Archive::const_iterator): Define new class.
11443         (Archive::begin, Archive::end): New functions.
11444         (Archive::include_all_members): Rewrite to use iterator.
11445         (Archive::count_members): New function.
11446         * archive.h (class Archive): Update declarations.
11447         (Archive::filename): New function.
11448         * object.cc: Include "cref.h".
11449         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11450         (Sized_relobj::do_get_global_symbol_counts): New function.
11451         (Input_objects::add_object): Add object to cross-referencer.
11452         (Input_objects::archive_start): New function.
11453         (Input_objects::archive_stop): New function.
11454         (Input_objects::print_symbol_counts): New function.
11455         * object.h: Declare Cref and Archive.
11456         (Object::get_global_symbol_counts): New function.
11457         (Object::do_get_global_symbol_counts): New pure virtual function.
11458         (class Sized_relobj): Add defined_count_ field.  Update
11459         declarations.
11460         (class Input_objects): Add cref_ field.  Update constructor.
11461         Update declarations.
11462         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11463         defined_count_.
11464         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11465         symbol counts.
11466         (Sized_dynobj::do_get_global_symbol_counts): New function.
11467         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11468         defined_count_.  Update declarations.  Define Symbols typedef.
11469         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11470         parameter.  Change all callers.
11471         (Symbol_table::add_from_dynobj): Add sympointers and defined
11472         parameters.  Change all callers.
11473         * symtab.h (class Symbol_table): Update declarations.
11474         * Makefile.am (CCFILES): Add cref.cc.
11475         (HFILES): Add cref.h.
11476         * Makefile.in: Rebuild.
11477
11478 2008-07-22  Simon Baldwin  <simonb@google.com>
11479
11480         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11481         to zero when writing undefined symbols.
11482
11483 2008-07-22  Ian Lance Taylor  <iant@google.com>
11484
11485         * output.cc (Output_section::add_input_section): Don't try to
11486         merge empty merge sections.
11487
11488 2008-07-21  Craig Silverstein  <csilvers@google.com>
11489
11490         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11491         Include symbol version in error message.
11492
11493 2008-07-20  Chris Demetriou  <cgd@google.com>
11494
11495         * configure.ac (gold_cv_c_random_seed): New configured variable.
11496         (RANDOM_SEED_CFLAGS): New substituted variable.
11497         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11498         * configure: Rebuild.
11499         * Makefile.in: Likewise.
11500         * testsuite/Makefile.in: Likewise.
11501
11502 2008-07-18  Ian Lance Taylor  <iant@google.com>
11503
11504         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11505         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11506         * testsuite/ver_test_main.cc (main): Call t4.
11507         (t4, t4_2a): Define.
11508         * testsuite/ver_test_2.cc (t4_2): Define.
11509         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11510         * testsuite/ver_test_4.cc (t4_2a): Define.
11511         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11512         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11513
11514 2008-07-17  Ian Lance Taylor  <iant@google.com>
11515
11516         * dynobj.cc (Versions::add_def): If we give an error about a
11517         missing version, go ahead and create the version anyhow.
11518
11519 2008-07-10  Ian Lance Taylor  <iant@google.com>
11520
11521         Handle output sections with more than 0x7fffffff bytes.
11522         * object.h (class Relobj): Change map_to_output_ to
11523         output_sections_, and just keep a section pointer.  Change all
11524         uses.  Move comdat group support to Sized_relobj.
11525         (Relobj::is_section_specially_mapped): Remove.
11526         (Relobj::output_section): Remove poff parameter.  Change all
11527         callers.
11528         (Relobj::output_section_offset): New function.
11529         (Relobj::set_section_offset): Rewrite.
11530         (Relobj::map_to_output): Remove.
11531         (Relobj::output_sections): New function.
11532         (Relobj::do_output_section_offset): New pure virtual function.
11533         (Relobj::do_set_section_offset): Likewise.
11534         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11535         group support from Relobj.  Update declarations.
11536         (Sized_relobj::get_output_section_offset): New function.
11537         (Sized_relobj::do_output_section_offset): New function.
11538         (Sized_relobj::do_set_section_offset): New function.
11539         * object.cc (Relobj::output_section_address): Remove.
11540         (Sized_relobj::Sized_relobj): Initialize new fields.
11541         (Sized_relobj::include_section_group): Cast find_kept_object to
11542         Sized_relobj.
11543         (Sized_relobj::include_linkonce_section): Likewise.
11544         (Sized_relobj::do_layout): Use separate arrays for output section
11545         and output offset.
11546         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11547         output_sections.
11548         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11549         output_sections and section_offsets.
11550         (Sized_relobj::write_local_symbols): Likewise.
11551         (map_to_kept_section): Compute output address directly.
11552         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11553         output_sections and section_offsets.
11554         (Sized_relobj::write_sections): Likewise.
11555         (Sized_relobj::relocate_sections): Likewise.
11556         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11557         * output.h (class Output_reloc): Update declarations.  Change
11558         u2_.relobj to Sized_relobj*.
11559         (class Output_data_reloc): Change add functions to use
11560         Sized_relobj*.
11561         * output.cc (Output_reloc::Output_reloc): Change relobj to
11562         Sized_relobj*.
11563         (Output_reloc::local_section_offset): Change return type to
11564         Elf_Addr.  Use get_output_section_offset.
11565         (Output_reloc::get_address): Likewise.
11566         (Output_section::is_input_address_mapped): Don't call
11567         is_section_specially_mapped.
11568         (Output_section::output_offset): Likewise.
11569         (Output_section::output_address): Likewise.
11570         (Output_section::starting_output_address): Likewise.
11571         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11572         parameter to Sized_relobj*.
11573         (Copy_relocs::need_copy_reloc): Likewise.
11574         (Copy_relocs::save): Likewise.
11575         * copy-relocs.h (class Copy_relocs): Update declarations.
11576         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11577         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11578         * target-reloc.h (relocate_for_relocatable): Change
11579         offset_in_output_section type to Elf_Addr.  Change code that uses
11580         it as well.
11581         * layout.cc (Layout::layout): Always set *off.
11582         * mapfile.cc (Mapfile::print_input_section): Use
11583         output_section_offset.
11584         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11585         Sized_relobj*.
11586         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11587         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11588         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11589
11590 2008-07-03  Ian Lance Taylor  <iant@google.com>
11591
11592         * layout.cc (Layout::include_section): Do not discard unrecognized
11593         SHT_STRTAB sections.
11594
11595 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11596
11597         * script.cc (Lex::can_continue_name): Make '?' allowable in
11598         version-script names.
11599         * testsuite/version_script.map: Change glob pattern to use '?'
11600
11601 2008-06-30  Manish Singh  <yosh@gimp.org>
11602
11603         PR 6585
11604         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11605         Correct typo.
11606
11607 2008-06-30  Ian Lance Taylor  <iant@google.com>
11608
11609         PR 6660
11610         PR 6682
11611         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11612         versions]: Don't try to read the value in the contents, since we
11613         don't use it.  Use the template endianness when writing.
11614
11615 2008-06-25  Cary Coutant  <ccoutant@google.com>
11616
11617         * fileread.cc (File_read::make_view): Assert on zero-length view.
11618         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11619         symbol table when there are no symbols to read.
11620
11621 2008-06-23  Craig Silverstein  <csilvers@google.com>
11622
11623         * version.cc (version_string): Bump to 1.7
11624
11625 2008-06-18  Craig Silverstein  <csilvers@google.com>
11626
11627         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11628         constant 0xFFFF to type Valtype.
11629         (Powerpc_relocate_functions::rel16_ha): Likewise.
11630
11631 2008-06-17  Ian Lance Taylor  <iant@google.com>
11632
11633         * output.h (Output_section::Input_section): Initialize p2align_ to
11634         zero for Output_section_data constructors.
11635         (Output_section::Input_section::addralign): If not an input
11636         section, return the alignment of the Output_section_data.
11637         * testsuite/copy_test.cc: New file.
11638         * testsuite/copy_test_1.cc: New file.
11639         * testsuite/copy_test_2.cc: New file.
11640         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11641         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11642         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11643         (copy_test_1_pic.o, copy_test_1.so): New targets.
11644         (copy_test_2_pic.o, copy_test_2.so): New targets.
11645         * testsuite/Makefile.in: Rebuild.
11646
11647         * script-sections.cc (Script_sections::place_orphan): Initialize
11648         local variable exact.
11649
11650 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11651
11652         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11653
11654 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11655             David S. Miller  <davem@davemloft.net>
11656
11657         * powerpc.cc: New file.
11658         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11659         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11660         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11661         * Makefile.in: Rebuild.
11662
11663 2008-06-09  Ian Lance Taylor  <iant@google.com>
11664
11665         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11666         <exception>.
11667         (throwing, orig_terminate): New static variables.
11668         (terminate_handler): New static function.
11669         (t2): Set terminate handler.
11670
11671 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11672
11673         PR 6584
11674         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11675         alignment.
11676
11677 2008-05-30  Cary Coutant  <ccoutant@google.com>
11678
11679         * archive.cc (Archive::include_all_members) Correct to step
11680         over symbol table and extended name table in thin archives.
11681
11682 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11683
11684         PR 6407
11685         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11686         calculation.
11687
11688 2008-05-28  Caleb Howe  <cshowe@google.com>
11689
11690         * reduced_debug_output.cc: New file.
11691         * reduced_debug_output.h: New file.
11692         * options.h (class General_options): Add --strip-debug-non-line.
11693         * options.cc (General_options::finalize): Add strip_debug_non_line
11694         to the strip heirarchy.
11695         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11696         fields.
11697         * layout.cc: Include "reduced_debug_output.h".
11698         (Layout::Layout): Initialize new fields.
11699         (line_only_debug_sections): New static array.
11700         (is_lines_only_debug_sections): New static inline function.
11701         (Layout::include_section): Handle --strip-debug-non-line.
11702         (Layout::make_output_section): If --strip-debug-non-line, build
11703         new output sections for .debug_abbrev and .debug_info.
11704         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11705         gold.  Warn about possible overflow.
11706         (read_signed_LEB_128): Likewise.
11707         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11708         (read_signed_LEB_128): Declare.
11709         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11710         (HFILES): Add reduced_debug_output.h.
11711         * Makefile.in: Rebuild.
11712
11713 2008-05-21  Ian Lance Taylor  <iant@google.com>
11714
11715         * mapfile.cc: New file.
11716         * mapfile.h: New file.
11717         * options.h (class General_options): Add -M/--print-map and -Map.
11718         * options.cc (General_options::finalize): Make -M equivalent to
11719         -Map -.
11720         * main.cc: Include <cstdio> and "mapfile.h".
11721         (main): Open mapfile if requested.
11722         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11723         constructor.  Change caller.
11724         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11725         (queue_middle_tasks): Likewise.
11726         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11727         declarations.
11728         * archive.cc: Include "mapfile.h".
11729         (Archive::add_symbols): Add mapfile parameter.  Change all
11730         callers.  Pass mapfile, symbol, and reason to include_member.
11731         (Archive::include_all_members): Add mapfile parameter.  Change all
11732         callers.
11733         (Archive::include_member): Add mapfile, sym, and why parameters.
11734         Change all callers.  Report inclusion to map file.
11735         * archive.h: Include "fileread.h".
11736         (class Archive): Update declarations.
11737         (Archive::file): New const method.
11738         (class Add_archive_symbols): Add mapfile_ field.  Update
11739         constructor.  Change all callers.
11740         * readsyms.h (class Read_symbols): Likewise.
11741         (class Finish_group): Likewise.
11742         (class Read_script): Likewise.
11743         * common.cc: Include "mapfile.h".
11744         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11745         all callers.
11746         (Symbol_table::do_allocate_commons): Likewise.
11747         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11748         symbol allocation to mapfile.
11749         * common.h (class Allocate_commons_task): Add mapfile_ field.
11750         Update constructor.  Change all callers.
11751         * symtab.h (class Symbol_table): Update declarations.
11752         * layout.cc: Include "mapfile.h".
11753         (Layout_task_runner::run): Print information to mapfile.
11754         (Layout::create_gold_note): Change Output_data_fixed_space to
11755         Output_data_zero_fill.
11756         (Layout::create_build_id): Likewise.
11757         (Layout::print_to_mapfile): New function.
11758         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11759         constructor.  Change caller.
11760         (class Layout): Declare print_to_mapfile.
11761         * output.cc (Output_section::Input_section::print_to_mapfile): New
11762         function.
11763         (Output_section::add_input_section): If producing a map, always
11764         add to input_sections_ list.
11765         (Output_section::do_print_to_mapfile): New function.
11766         (Output_segment::print_sections_to_mapfile): New function.
11767         (Output_segment::print_section_list_to_mapfile): New function.
11768         * output.h: Include "mapfile.h".
11769         (Output_data::print_to_mapfile): New function.
11770         (Output_data::do_print_to_mapfile): New virtual function.
11771         (Output_segment_headers::do_print_to_mapfile): New function.
11772         (Output_file_header::do_print_to_mapfile): New function.
11773         (Output_data_const::do_print_to_mapfile): New function.
11774         (class Output_data_const_buffer): Add map_name_ field.  Update
11775         constructor.  Change all callers.  Add do_print_to_mapfile
11776         function.
11777         (class Output_data_fixed_space): Likewise.
11778         (class Output_data_space): Likewise.
11779         (class Output_data_zero_fill): New class.
11780         (Output_data_strtab::do_print_to_mapfile): New function.
11781         (Output_data_reloc_base::do_print_to_mapfile): New function.
11782         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11783         (Output_data_group::do_print_to_mapfile): New function.
11784         (Output_data_got::do_print_to_mapfile): New function.
11785         (Output_data_dynamic::do_print_to_mapfile): New function.
11786         (Output_symtab_xindex::do_print_to_mapfile): New function.
11787         (class Output_section): Declare do_print_to_mapflie.  Declare
11788         print_to_mapfile in Input_section.
11789         (class Output_segment): Declare new functions.
11790         * object.h (Sized_relobj::symbol_count): New function.
11791         * script-sections.cc
11792         (Output_section_element_dot_assignment::set_section_addresses):
11793         Change Output_data_fixed_space to Output_data_zero_fill.
11794         (Output_data_expression::do_print_to_mapfile): New function.
11795         * script.cc (read_input_script): Add mapfile parameter.  Change
11796         all callers.
11797         * script.h (read_input_script): Update declaration.
11798         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11799         (Eh_frame::do_print_to_mapfile): New function.
11800         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11801         (Output_merge_string::do_print_to_mapfile): New function.
11802         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11803         function.
11804         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11805         function.
11806         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11807         function.
11808         * Makefile.am (CCFILES): Add mapfile.cc.
11809         (HFILES): Add mapfile.h.
11810         * Makefile.in: Rebuild.
11811
11812 2008-05-19  Ian Lance Taylor  <iant@google.com>
11813
11814         * options.h (class General_options): Add -z relro.
11815         * layout.cc (Layout::Layout): Initialize relro_segment_.
11816         (Layout::add_output_section_data): Return the output section.
11817         (Layout::make_output_section): Rcognize relro sections and mark
11818         them appropriately.
11819         (Layout::attach_allocated_section_to_segment): Put relro sections
11820         in a PT_GNU_RELRO segment.
11821         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11822         section as relro.
11823         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11824         PT_TLS segments.
11825         (Layout::linkonce_mapping): Map d.rel.ro.local to
11826         .data.rel.ro.local.
11827         (Layout::output_section_name): Us .data.rel.ro.local for any
11828         section which begins with that.
11829         * layout.h (class Layout): Update add_output_section_data
11830         declaration.  Add relro_segment_ field.
11831         * output.cc (Output_section::Output_section): Initialize is_relro_
11832         and is_relro_local_ fields.
11833         (Output_segment::add_output_section): Group relro sections.
11834         (Output_segment::is_first_section_relro): New function.
11835         (Output_segment::maximum_alignment): If there is a relro section,
11836         align the segment to the common page size.
11837         (Output_segment::set_section_addresses): Track whether we are
11838         looking at relro sections.  If the last section is a relro
11839         section, align to the common page size.
11840         (Output_segment::set_section_list_addresses): Add in_relro
11841         parameter.  Change all callers.  Align to the page size when
11842         moving from relro to non-relro section.
11843         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11844         segment.
11845         * output.h (class Output_section): Add is_relro_ and
11846         is_relro_local_ fields.
11847         (Output_section::is_relro): New function.
11848         (Output_section::set_is_relro): New function.
11849         (Output_section::is_relro_local): New function.
11850         (Output_section::set_is_relro_local): New function.
11851         (class Output_segment): Update declarations.
11852         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11853         * sparc.cc (Target_sparc::got_section): Likewise.
11854         * x86_64.cc (Target_x86_64::got_section): Likewise.
11855         * testsuite/relro_test_main.cc: New file.
11856         * testsuite/relro_test.cc: New file.
11857         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11858         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11859         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11860         (relro_test.so, relro_test_pic.o): New targets.
11861         * testsuite/Makefile.in: Rebuild.
11862
11863 2008-05-16  Ian Lance Taylor  <iant@google.com>
11864
11865         * output.cc (Output_segment::add_output_section): Remove front
11866         parameter.
11867         * output.h (class Output_segment): Remove
11868         add_initial_output_section and overloaded add_output_section.
11869         Update declaration of remaining add_output_section.
11870         * layout.cc (Layout::create_interp): Call add_output_section
11871         rather than add_initial_output_section.
11872         (Layout::finish_dynamic_section): Likewise.
11873
11874         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11875         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11876         know the dynamic type.
11877         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11878         field.  Initialize it in constructor.
11879         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11880         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11881         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11882         reloc.
11883
11884         * output.cc (Output_reloc::get_address): Change return type to
11885         Elf_Addr.
11886         * output.h (class Output_reloc): Update get_address declaration.
11887         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11888         for section addresses.
11889
11890 2008-05-09  Ian Lance Taylor  <iant@google.com>
11891
11892         PR 6493
11893         * gold.cc (gold_nomem): Use return value of write.
11894
11895 2008-05-08  Ian Lance Taylor  <iant@google.com>
11896
11897         * symtab.c (Symbol::init_base_output_data): Add version
11898         parameter.  Change all callers.
11899         (Symbol::init_base_output_segment): Likewise.
11900         (Symbol::init_base_constant): Likewise.
11901         (Symbol::init_base_undefined): Likewise.
11902         (Sized_symbol::init_output_data): Likewise.
11903         (Sized_symbol::init_output_segment): Likewise.
11904         (Sized_symbol::init_constant): Likewise.
11905         (Sized_symbol::init_undefined): Likewise.
11906         (Symbol_table::do_define_in_output_data): If the new symbol has a
11907         version, mark it as the default.
11908         (Symbol_table::do_define_in_output_segment): Likewise.
11909         (Symbol_table::do_define_as_constant): Likewise.
11910         * symtab.h (class Symbol): Update declarations.
11911         (class Sized_symbol): Likewise.
11912         * resolve.cc (Symbol::override_version): New function.
11913         (Symbol::override_base): Call override_version.
11914         (Symbol::override_base_with_special): Likewise.
11915         * testsuite/ver_script_8.script: New file.
11916         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11917         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11918         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11919         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11920
11921 2008-05-06  Ian Lance Taylor  <iant@google.com>
11922
11923         PR 6049
11924         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11925         functions.
11926         (class General_options): Remove existing --undefined, and add
11927         --no-undefined instead.  Add new --undefined as synonym for -u.
11928         * archive.cc (Archive::add_symbols): Check whether symbol was
11929         named with -u.
11930         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11931         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11932         all uses.  Add IS_UNDEFINED.  Update declarations to split
11933         different versions of init_base.  Declare init_base_undefined.
11934         (Symbol::is_defined): Handle IS_UNDEFINED.
11935         (Symbol::is_undefined): Likewise.
11936         (Symbol::is_weak_undefined): Call is_undefined.
11937         (Symbol::is_absolute): Handle IS_CONSTANT.
11938         (class Sized_symbol): Update declarations to split different
11939         versions of init.  Declare init_undefined.
11940         (class Symbol_table): Declare new functions.
11941         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11942         Change all callers.
11943         (Symbol::init_base_output_data): Likewise.
11944         (Symbol::init_base_output_segment): Likewise.
11945         (Symbol::init_base_constant): Likewise.
11946         (Symbol::init_base_undefined): New function.
11947         (Sized_symbol::init_object): Rename from init.  Change all
11948         callers.
11949         (Sized_symbol::init_output_data): Likewise.
11950         (Sized_symbol::init_output_segment): Likewise.
11951         (Sized_symbol::init_constant): Likewise.
11952         (Sized_symbol::init_undefined): New function.
11953         (Symbol_table::add_undefined_symbols_from_command_line): New
11954         function.
11955         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11956         function.
11957         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11958         (Symbol::output_section): Likewise.
11959         (Symbol::set_output_section): Likewise.
11960         (Symbol_table::sized_finalize_symbol): Likewise.
11961         (Symbol_table::sized_write_globals): Likewise.
11962         * resolve.cc (Symbol_table::should_override): Likewise.
11963         (Symbol::override_base_with_special): Likewise.
11964
11965         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11966         symbol, change it to have default visibility.
11967         * testsuite/protected_1.cc: New file.
11968         * testsuite/protected_2.cc: New file.
11969         * testsuite/protected_3.cc: New file.
11970         * testsuite/protected_main_1.cc: New file.
11971         * testsuite/protected_main_2.cc: New file.
11972         * testsuite/protected_main_3.cc: New file.
11973         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11974         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11975         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11976         (protected_1.so): New target.
11977         (protected_1_pic.o, protected_2_pic.o): New targets.
11978         (protected_3_pic.o): New target.
11979         (check_PROGRAMS): Add protected_2.
11980         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11981         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11982         * testsuite/Makefile.in: Rebuild.
11983
11984         * options.h (DEFINE_var): Add set_user_set_##varname__.
11985         (DEFINE_bool_alias): New macro.
11986         (class General_options): Define -Bstatic using DEFINE_bool_alias
11987         rather than DEFINE_special.  Add --undefined as an alias for -z
11988         defs.
11989         * options.cc (General_options::parse_Bstatic): Remove.
11990
11991         * options.h (class General_options): Add --fatal-warnings.
11992         * main.cc (main): Implement --fatal-warnings.
11993         * errors.h (Errors::warning_count): New function.
11994
11995         * options.h (class General_options): Add -Bsymbolic-functions.
11996         * symtab.h (Symbol::is_preemptible): Check for
11997         -Bsymbolic-functions.
11998
11999 2008-05-05  Ian Lance Taylor  <iant@google.com>
12000
12001         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12002         as noVARNAME rather than no-VARNAME.
12003         (class General_options): Add option -z combreloc.
12004         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12005         get_address.
12006         (Output_reloc::sort_before) [SHT_REL]: New function.
12007         (Output_reloc::sort_before) [SHT_RELA]: New function.
12008         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12009         Sort_relocs_comparison.
12010         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12011         parameter.  Change all callers.
12012         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12013         sort_relocs parameter.  Change all callers.
12014         * output.cc (Output_reloc::get_address): New function, broken out
12015         of write_rel.
12016         (Output_reloc::write_rel): Call it.
12017         (Output_reloc::compare): New function.
12018         (Output_data_reloc_base::do_write): Optionally sort relocs.
12019
12020         * configure.ac: If targ_extra_obj is set, link it in.
12021         * configure.tgt: Initialize all variables.
12022         (x86_64*): Set targ_extra_obj and targ_extra_size.
12023         * configure: Rebuild.
12024
12025         * object.cc (Sized_relobj::include_section_group): Adjust section
12026         indexes read from group data.  Build vector to pass to
12027         layout_group.
12028         * layout.cc (Layout::layout_group): Add flags and shndxes
12029         parameters.  Remove contents parameter.  Change caller.  Update
12030         explicit instantiations.
12031         * layout.h (class Layout): Update layout_group declaration.
12032         * output.cc (Output_data_group::Output_data_group): Add flags and
12033         input_shndxes parameters.  Remove contents parameter.  Change
12034         caller.
12035         (Output_data_group::do_write): Change input_sections_ to
12036         input_shndxes_.
12037         * output.h (class Output_data_group): Update constructor
12038         declaration.  Rename input_sections_ to input_shndxes_.
12039         * testsuite/many_sections_test.cc: Add template.
12040
12041 2008-04-30  Cary Coutant  <ccoutant@google.com>
12042
12043         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12044
12045         * layout.cc (Layout::include_section): Refactored check for debug
12046         info section.
12047         (Layout::add_comdat): Add new parameters.  Change type
12048         of signature parameter.  Add object and shndx to signatures table.
12049         (Layout::find_kept_object): New function.
12050         * layout.h: Include <cstring>.
12051         (Layout::is_debug_info_section): New function.
12052         (Layout::add_comdat): Add new parameters.
12053         (Layout::find_kept_object): New function.
12054         (Layout::Kept_section): New struct.
12055         (Layout::Signatures): Change type of map range.
12056         * object.cc (Relobj::output_section_address): New function.
12057         (Sized_relobj::include_section_group): Add new parameters.  Change
12058         calls to Layout::add_comdat.  Change to build table of kept comdat
12059         groups and table mapping discarded sections to kept sections.
12060         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12061         (Sized_relobj::do_layout): Change calls to include_section_group and
12062         include_linkonce_section.
12063         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12064         value to zero when section is discarded.
12065         (Sized_relobj::map_to_kept_section): New function.
12066         * object.h (Relobj::output_section_address): New function.
12067         (Relobj::Comdat_group): New type.
12068         (Relobj::find_comdat_group): New function.
12069         (Relobj::Comdat_group_table): New type.
12070         (Relobj::Kept_comdat_section): New type.
12071         (Relobj::Kept_comdat_section_table): New type.
12072         (Relobj::add_comdat_group): New function.
12073         (Relobj::set_kept_comdat_section): New function.
12074         (Relobj::get_kept_comdat_section): New function.
12075         (Relobj::comdat_groups_): New field.
12076         (Relobj::kept_comdat_sections_): New field.
12077         (Symbol_value::input_value): Update comment.
12078         (Sized_relobj::map_to_kept_section) New function.
12079         (Sized_relobj::include_linkonce_section): Add new parameter.
12080         * target-reloc.h (Comdat_behavior): New type.
12081         (get_comdat_behavior): New function.
12082         (relocate_section): Add code to map a discarded section to the
12083         corresponding kept section when applying a relocation.
12084
12085 2008-04-30  Craig Silverstein  <csilvers@google.com>
12086
12087         * dwarf_reader.cc (next_generation_count): New static var.
12088         (Addr2line_cache_entry): New struct.
12089         (addr2line_cache): New static var.
12090         (Dwarf_line_info::one_addr2line): Added caching.
12091         (Dwarf_line_info::clear_addr2line_cache): New function.
12092         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12093         cache-size parameter.
12094         (Dwarf_line_info::one_addr2line_cache): New function.
12095         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12096         new cache-size argument to one_addr2line(), and clear cache.
12097
12098 2008-04-28  Cary Coutant  <ccoutant@google.com>
12099
12100         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12101         R_386_PC8 relocations.
12102
12103 2008-04-23  Ian Lance Taylor  <iant@google.com>
12104
12105         * object.cc (Sized_relobj::include_section_group): Check for
12106         invalid section group.
12107
12108         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12109         header size.
12110
12111         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12112         than read for file header.
12113         * archive.cc (Archive::include_member): Likewise.
12114
12115 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12116
12117         * aclocal.m4: Regenerate.
12118         * configure: Regenerate.
12119
12120 2008-04-19  Ian Lance Taylor  <iant@google.com>
12121
12122         * version.cc (version_string): Bump to 1.6.
12123
12124         * testsuite/Makefile.am (many_sections_r_test): New target.
12125         (many_sections_r_test_SOURCES): Remove.
12126         (many_sections_r_test_DEPENDENCIES): Remove.
12127         (many_sections_r_test_LDFLAGS): Remove.
12128         (many_sections_r_test_LDADD): Remove.
12129
12130         * object.cc (Sized_relobj::do_add_symbols): Always pass
12131         local_symbol_count_ to add_from_relobj.
12132
12133         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12134         every thousand variables.
12135         * testsuite/Makefile.in: Rebuild.
12136
12137         * object.cc (Xindex::initialize_symtab_xindex): New function.
12138         (Xindex::read_symtab_xindex): New function.
12139         (Xindex::sym_xindex_to_shndx): New function.
12140         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12141         available.
12142         (Sized_relobj::do_initialize_xindex): New function.
12143         (Sized_relobj::do_read_symbols): Adjust section links.
12144         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12145         parameter.  Change all callers.
12146         (Sized_relobj::include_section_group): Adjust section links and
12147         symbol section indexes.
12148         (Sized_relobj::do_layout): Adjust section links.
12149         (Sized_relobj::do_count_local_symbols): Adjust section links and
12150         symbol section indexes.
12151         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12152         ordinary and special symbols.
12153         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12154         dynsym_xindex parameters.  Change all callers.  Adjust section
12155         links.  Use SHN_XINDEX when needed.
12156         (Sized_relobj::get_symbol_location_info): Adjust section links.
12157         Don't get fooled by special symbols.
12158         * object.h (class Xindex): Define.
12159         (class Object): Add xindex_ parameter.  Declare virtual functoin
12160         do_initialize_xindex.
12161         (Object::adjust_sym_shndx): New function.
12162         (Object::set_xindex): New protected function.
12163         (class Symbol_value): Add is_ordinary_shndx_ field.
12164         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12165         (Symbol_value::value): Assert ordinary section.
12166         (Symbol_value::initialize_input_to_output_map): Likewise.
12167         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12168         Change all callers.
12169         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12170         all callers.
12171         (class Sized_relobj): Update declarations.
12172         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12173         parameter.  Change all callers.
12174         (Sized_relobj::adjust_shndx): New function.
12175         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12176         field.
12177         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12178         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12179         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12180         (Sized_dynobj::read_dynsym_section): Adjust section links.
12181         (Sized_dynobj::read_dynamic): Likewise.
12182         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12183         section links.
12184         (Sized_dynobj::do_initialize_xindex): New function.
12185         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12186         do_initialize_xindex.
12187         (Sized_dynobj::adjust_shndx): New function.
12188         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12189         dynsym_xindex_ fields.
12190         (Layout::finalize): Add a call to set_section_indexes before
12191         creating the symtab sections.
12192         (Layout::set_section_indexes): Don't do anything if the section
12193         already has a section index.
12194         (Layout::create_symtab_sections): Add shnum parameter.  Change
12195         caller.  Create .symtab_shndx section if needed.
12196         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12197         caller.
12198         (Layout::allocated_output_section_count): New function.
12199         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12200         needed.
12201         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12202         fields.  Update declarations.
12203         (Layout::symtab_xindex): New function.
12204         (Layout::dynsym_xindex): New function.
12205         (class Write_symbols_task): Add layout_ field.
12206         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12207         Change caller.
12208         * output.cc (Output_section_headers::Output_section_headers): Add
12209         shstrtab_section parameter.  Change all callers.
12210         (Output_section_headers::do_sized_write): Store overflow values
12211         for section count and section string table section index in
12212         section header zero.
12213         (Output_file_header::do_sized_write): Check for overflow of
12214         section count and section string table section index.
12215         (Output_symtab_xindex::do_write): New function.
12216         (Output_symtab_xindex::endian_do_write): New function.
12217         * output.h (class Output_section_headers): Add shstrtab_section_.
12218         Update declarations.
12219         (class Output_symtab_xindex): Define.
12220         (Output_section::has_out_shndx): New function.
12221         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
12222         field.
12223         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
12224         Change all callers.
12225         (Sized_symbol::init): Likewise.
12226         (Symbol::output_section): Check for ordinary symbol.
12227         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
12228         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
12229         callers.
12230         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
12231         Change all callers.  Simplify handling of symbols from sections
12232         not included in the link.
12233         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12234         distinction.
12235         (Weak_alias_sorter::operator()): Assert that symbols are
12236         ordinary.
12237         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12238         distinction.
12239         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12240         parameters.  Change all callers.
12241         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12242         symbol distinction.  Use SHN_XINDEX when needed.
12243         (Symbol_table::write_section_symbol): Add symtab_xindex
12244         parameter.  Change all callers.
12245         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12246         SHN_XINDEX when needed.
12247         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12248         declarations.
12249         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12250         (Symbol::is_defined): Check is_ordinary.
12251         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12252         (Symbol::is_absolute, Symbol::is_common): Likewise.
12253         (class Sized_symbol): Update declarations.
12254         (class Symbol_table): Update declarations.
12255         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12256         parameters.  Change all callers.
12257         (Sized_symbol::override): Likewise.
12258         (Symbol_table::override): Likewise.
12259         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12260         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12261         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12262         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12263         to be in an ordinary section.
12264         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12265         object and is_ordinary parameters.  Change all callers.
12266         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12267         Change all callers.  Don't add undefined or non-ordinary symbols
12268         to reloc_map_.
12269         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12270         Change all callers.
12271         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12272         declarations.
12273         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12274         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12275         (Sized_relobj::relocate_sections): Likewise.
12276         * target-reloc.h (scan_relocs): Adjust section symbol index.
12277         (scan_relocatable_relocs): Likewise.
12278         * i386.cc (Scan::local): Check for ordinary symbols.
12279         * sparc.cc (Scan::local): Likewise.
12280         * x86_64.cc (Scan::local): Likewise.
12281         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
12282         to symbol_section_and_value.
12283         * testsuite/many_sections_test.cc: New file.
12284         * testsuite/Makefile.am (BUILT_SOURCES): Define.
12285         (check_PROGRAMS): Add many_sections_test.
12286         (many_sections_test_SOURCES): Define.
12287         (many_sections_test_DEPENDENCIES): Define.
12288         (many_sections_test_LDFLAGS): Define.
12289         (BUILT_SOURCES): Add many_sections_define.h.
12290         (many_sections_define.h): New target.
12291         (BUILT_SOURCES): Add many_sections_check.h.
12292         (many_sections_check.h): New target.
12293         (check_PROGRAMS): Add many_sections_r_test.
12294         (many_sections_r_test_SOURCES): Define.
12295         (many_sections_r_test_DEPENDENCIES): Define.
12296         (many_sections_r_test_LDFLAGS): Define.
12297         (many_sections_r_test_LDADD): Define.
12298         (many_sections_r_test.o): New target.
12299         * testsuite/Makefile.in: Rebuild.
12300
12301 2008-04-17  Cary Coutant  <ccoutant@google.com>
12302
12303         * errors.cc (Errors::info): New function.
12304         (gold_info): New function.
12305         * errors.h (Errors::info): New function.
12306         * gold.h (gold_info): New function.
12307         * object.cc (Input_objects::add_object): Print trace output.
12308         * options.cc (options::parse_set): New function.
12309         (General_options::parse_wrap): Deleted.
12310         (General_options::General_options): Deleted initializer.
12311         * options.h (options::String_set): New typedef.
12312         (options::parse_set): New function.
12313         (DEFINE_set): New macro.
12314         (General_options::wrap): Changed to use DEFINE_set. Changed
12315         callers of any_wrap_symbols and is_wrap_symbol.
12316         (General_options::trace, General_options::trace_symbol):
12317         New options.
12318         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12319         (General_options::wrap_symbols_): Deleted.
12320         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12321
12322 2008-04-17  David S. Miller  <davem@davemloft.net>
12323
12324         * options.cc (General_options::parse_V): New function.
12325         * options.h: Add entries for -V and -Qy.
12326
12327 2008-04-17  Ian Lance Taylor  <iant@google.com>
12328
12329         * common.cc (Symbol_table::allocate_commons): Remove options
12330         parameter.  Change caller.
12331         (Symbol_table::do_allocate_commons): Remove options parameter.
12332         Change caller.  Just call do_allocate_commons_list twice.
12333         (Symbol_table::do_allocate_commons_list): New function, broken out
12334         of do_allocate_commons.
12335         * common.h (class Allocate_commons_task): Remove options_ field.
12336         Update constructor.
12337         * symtab.cc (Symbol_table::Symbol_table): Initialize
12338         tls_commons_.
12339         (Symbol_table::add_from_object): Put TLS common symbols on
12340         tls_commons_ list.
12341         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12342         which are IN_OUTPUT_DATA.
12343         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12344         allocate_commons and do_allocate_commons declarations.  Declare
12345         do_allocate_commons_list.
12346         * gold.cc (queue_middle_tasks): Update creation of
12347         Allocate_commons_task to not pass options.
12348         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12349         (TLS_TEST_C_FLAGS): New variable.
12350         (tls_test_c_pic.o): New target.
12351         (tls_test_shared.so): Link in tls_test_c_pic.o.
12352         (tls_test_c_pic_ie.o): New target.
12353         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12354         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12355         (tls_test_c.o): New target.
12356         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12357         (tls_pic_test_LDADD): Likewise.
12358         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12359         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12360         (tls_test_c_gnu2.o): New target.
12361         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12362         tls_test_c_gnu2.o.
12363         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12364         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12365         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12366         * testsuite/tls_test.cc: Include "config.h".
12367         (t_last): Call t11_last.
12368         * testsuite/tls_test.h (t11, t11_last): Declare.
12369         * testsuite/tls_test_c.c: New file.
12370         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12371         * configure.ac: Check for OpenMP support.
12372         * configure, config.in, Makefile.in: Rebuild.
12373         * testsuite/Makefile.in: Rebuild.
12374
12375 2008-04-16  Cary Coutant  <ccoutant@google.com>
12376
12377         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12378         (Target_i386::tls_base_symbol_defined_): New field.
12379         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12380         (Target_i386::Scan::global): Likewise.
12381         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12382         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12383         (Target_x86_64::tls_base_symbol_defined_): New field.
12384         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12385         (Target_x86_64::Scan::global): Likewise.
12386
12387 2008-04-16  Cary Coutant  <ccoutant@google.com>
12388
12389         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12390         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12391         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12392         building shared libraries.
12393         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12394         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12395         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12396         * testsuite/Makefile.in: Rebuild.
12397         * testsuite/weak_undef.h: New file.
12398         * testsuite/weak_undef_file1.cc: Add extra test cases.
12399         * testsuite/weak_undef_file2.cc: Likewise.
12400         * testsuite/weak_undef_test.cc: Likewise.
12401
12402 2008-04-16  David S. Miller  <davem@davemloft.net>
12403
12404         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12405         Add issued_non_pic_error_ field.  Declare check_non_pic.
12406         (Target_sparc::Scan::check_non_pic): New function.
12407         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12408         (Target_sparc::Scan::global): Likewise.
12409
12410         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12411         * configure: Rebuild.
12412
12413         * options.h (DEFINE_enable): New macro.
12414         (new_dtags): New enable option.
12415         (initfirst, interpose, loadfltr, nodefaultlib,
12416         nodelete, nodlopen, nodump): New -z options.
12417         * layout.cc (Layout:finish_dynamic_section): If new
12418         dtags enabled, emit DT_RUNPATH.  Also, emit a
12419         DT_FLAGS_1 containing any specified -z flags.
12420
12421 2008-04-16  Ian Lance Taylor  <iant@google.com>
12422
12423         * copy-relocs.cc: New file.
12424         * copy-relocs.h: New file.
12425         * reloc.cc: Remove Copy_relocs code.
12426         * reloc.h: Likewise.
12427         * reloc-types.h (struct Reloc_types) [both versions]: Add
12428         get_reloc_addend_noerror.
12429         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12430         variants of add_global which take an addend which must be zero.
12431         * i386.cc: Include "copy-relocs.h".
12432         (class Target_i386): Change type of copy_relocs_ to variable,
12433         update initializer.
12434         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12435         Change all callers.
12436         (Target_i386::do_finalize_sections): Change handling of
12437         copy_relocs_.
12438         * sparc.cc: Include "copy-relocs.h".
12439         (class Target_sparc): Change type of copy_relocs_ to variable,
12440         update initializer.
12441         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12442         Change all callers.
12443         (Target_sparc::do_finalize_sections): Change handling of
12444         copy_relocs_.
12445         * x86_64.cc: Include "copy-relocs.h".
12446         (class Target_x86_64): Change type of copy_relocs_ to variable,
12447         update initializer.
12448         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12449         class.  Change all callers.
12450         (Target_x86_64::do_finalize_sections): Change handling of
12451         copy_relocs_.
12452         * Makefile.am (CCFILES): Add copy-relocs.cc.
12453         (HFILES): Add copy-relocs.h.
12454
12455         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12456
12457         * testsuite/script_test_4.sh: Permit leading zeroes.
12458
12459 2008-04-15  Ian Lance Taylor  <iant@google.com>
12460
12461         * script-sections.cc (Script_sections::create_segments): Use
12462         header_size_adjustment even when there is enough room for the
12463         headers.
12464         * testsuite/script_test_4.sh: New file.
12465         * testsuite/script_test_4.t: New file.
12466         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12467         (check_DATA): Add script_test_4.stdout.
12468         (MOSTLYCLEANFILES): Likewise.
12469         (script_test_4): New target.
12470         (script_test_4.stdout): New target.
12471         * testsuite/Makefile.in: Rebuild.
12472
12473         * sparc.cc: Add definitions for Output_data_plt_sparc class
12474         constants.
12475
12476 2008-04-14  David S. Miller  <davem@davemloft.net>
12477
12478         * sparc.cc: New file.
12479         * Makefile.am (TARGETSOURCES): Add sparc.cc
12480         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12481         * configure.tgt: Document targ_extra_size and
12482         targ_extra_big_endian.  Add entries for sparc-* and
12483         sparc64-*.
12484         * configure.ac: Handle targ_extra_size and
12485         targ_extra_big_endian.
12486         * Makefile.in: Rebuild.
12487         * configure: Likewise.
12488         * po/POTFILES.in: Likewise.
12489         * po/gold.pot: Likewise.
12490
12491 2008-04-14  Ian Lance Taylor  <iant@google.com>
12492
12493         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12494         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12495         in the name/type/flags to section mapping.  Don't call
12496         allocate_output_section.
12497         (Layout::choose_output_section): Change parameter from adjust_name
12498         to is_input_section.  Don't permit input sections after sections
12499         are attached to segments.  Don't call allocate_output_section.
12500         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12501         not write_enable_output_section.
12502         (Layout::make_output_section): Don't push to
12503         unattached_section_list_ nor call attach_to_segment.  Call
12504         attach_section_to_segment if sections are attached.
12505         (Layout::attach_sections_to_segments): New function.
12506         (Layout::attach_section_to_segment): New function.
12507         (Layout::attach_allocated_section_to_segment): Rename from
12508         attach_to_segment.  Remove flags parameter.
12509         (Layout::allocate_output_section): Remove function.
12510         (Layout::write_enable_output_section): Remove function.
12511         * layout.h (class Layout): Update for above changes.  Add new
12512         field sections_are_attached_.
12513         * output.h (Output_section::update_flags_for_input_section): New
12514         function.
12515         * output.cc (Output_section::add_input_section): Call
12516         update_flags_for_input_section.
12517         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12518
12519 2008-04-11  Cary Coutant  <ccoutant@google.com>
12520
12521         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12522         thought unnecessary.
12523         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12524
12525 2008-04-11  Ian Lance Taylor  <iant@google.com>
12526
12527         * output.h (class Output_section_data): Remove inline definition
12528         of set_addralign.
12529         * output.cc (Output_section_data::set_addralign): New function.
12530
12531 2008-04-11  Cary Coutant  <ccoutant@google.com>
12532
12533         Add support for TLS descriptors for i386 and x86_64.
12534         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12535         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12536         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12537         GOT_TYPE_TLS_DESC.
12538         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12539         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12540         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12541         relocations.
12542         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12543         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12544         Fix problem with initial-exec relocations.
12545         (Target_i386::Relocate::relocate_tls): Likewise.
12546         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12547         relaxation.
12548         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12549         support for section-plus-offset dynamic table entries.
12550         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12551         (Output_data_dynamic::Dynamic_entry): Add support for
12552         section-plus-offset dynamic table entries.
12553         (Output_data_dynamic::Classification): Likewise.
12554         (Output_data_dynamic::classification_): Renamed offset_.
12555         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12556         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12557         (Target_x86_64::make_plt_section): New function.
12558         (Target_x86_64::reserve_tlsdesc_entries): New function.
12559         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12560         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12561         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12562         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12563         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12564         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12565         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12566         add extra PLT entry for TLS descriptors.
12567         (Output_data_plt_x86_64::got_): New field.
12568         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12569         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12570         fields.
12571         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12572         descriptors.
12573         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12574         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12575         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12576         R_386_TLS_DESC_CALL relocations.
12577         (Target_x86_64::Scan::global): Likewise.
12578         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12579         for TLS descriptors.
12580         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12581         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12582         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12583         GD-to-IE relaxation.
12584         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12585         and TLS_DESCRIPTORS.
12586         * Makefile.in: Rebuild.
12587         * configure: Rebuild.
12588         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12589         (tls_test_shared2.so): New target.
12590         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12591         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12592         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12593         (tls_shared_gd_to_ie_test_LDADD): New variable.
12594         (tls_shared_gnu2_gd_to_ie_test): New target.
12595         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12596         New targets.
12597         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12598         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12599         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12600         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12601         (tls_shared_gnu2_test): New target.
12602         (tls_test_gnu2_shared.so): New target.
12603         (tls_shared_gnu2_test_SOURCES): New variable.
12604         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12605         (tls_shared_gnu2_test_LDFLAGS): New variable.
12606         (tls_shared_gnu2_test_LDADD): New variable.
12607         * testsuite/Makefile.in: Rebuild.
12608         * testsuite/Makefile.
12609
12610 2008-04-11  Ian Lance Taylor  <iant@google.com>
12611
12612         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12613         justsyms.t.
12614         * testsuite/Makefile.in: Rebuild.
12615
12616         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12617         long.
12618         * testsuite/script_test_2.cc (main): Adjust test.
12619
12620 2008-04-11  David S. Miller  <davem@davemloft.net>
12621             Ian Lance Taylor  <iant@google.com>
12622
12623         * options.h (General_options): Add entries for '-Y' and
12624         '-relax'.
12625         * options.cc (General_options:finalize): If -Y was used, add those
12626         entries to the library path instead of the default "/lib" and
12627         "/usr/lib".
12628
12629 2008-04-11  David S. Miller  <davem@davemloft.net>
12630
12631         * testsuite/justsyms.t: Start at 0x100.
12632         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12633         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12634         long.
12635         * testsuite/script_test_2.cc: Adjust string and section length
12636         checks.
12637
12638 2008-04-09  Ian Lance Taylor  <iant@google.com>
12639
12640         PR gold/5996
12641         * script-sections.cc (Sections_element::allocate_to_segment): Add
12642         orphan parameter.
12643         (Output_section_definition::allocate_to_segment): Likewise.
12644         (Orphan_output_section::allocate_to_segment): Likewise.
12645         (Script_sections::attach_sections_using_phdrs_clause): Don't
12646         propagate non-PT_LOAD segments to orphan sections.
12647         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12648         readelf rather than objdump.
12649         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12650         .interp section and PT_INTERP segment are the same size.
12651         * testsuite/Makefile.in: Rebuild.
12652
12653         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12654         aliases for symbols defined in the same object.
12655         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12656         (weak_alias_test_SOURCES): New variable.
12657         (weak_alias_test_DEPENDENCIES): New variable.
12658         (weak_alias_test_LDFLAGS): New variable.
12659         (weak_alias_test_LDADD): New variable.
12660         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12661         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12662         (weak_alias_test_3.o): New target.
12663         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12664         * testsuite/weak_alias_test_main.cc: New file.
12665         * testsuite/weak_alias_test_1.cc: New file.
12666         * testsuite/weak_alias_test_2.cc: New file.
12667         * testsuite/weak_alias_test_3.cc: New file.
12668
12669 2008-04-08  Ian Lance Taylor  <iant@google.com>
12670
12671         * options.h (class General_options): Add --noinhibit-exec option.
12672         * main.cc (main): Check --noinhibit-exec.
12673
12674         * options.h (class General_options): Define --wrap as a special
12675         option.  Add wrap_symbols_ field.
12676         (General_options::any_wrap_symbols): New function.
12677         (General_options::is_wrap_symbol): New function.
12678         * options.cc (General_options::parse_wrap): New function.
12679         (General_options::General_options): Initialize wrap_symbols_.
12680         * symtab.cc (Symbol_table::wrap_symbol): New function.
12681         (Symbol_table::add_from_object): Handle --wrap.
12682         * symtab.h (class Symbol_table): Declare wrap_symbol.
12683         * target.h (Target::wrap_char): New function.
12684         (Target::Target_info): Add wrap_char field.
12685         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12686         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12687         * testsuite/testfile.cc (Target_test::test_target_info):
12688         Likewise.
12689
12690         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12691         there is one.
12692
12693         * layout.h (class Layout): Add added_eh_frame_data_ field.
12694         * layout.cc (Layout::Layout): Initialize new field.
12695         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12696         output section until we find a section we merged successfully.
12697         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12698         that the size be non-zero.
12699
12700         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12701         qualifier.
12702
12703 2008-04-08  Craig Silverstein  <csilvers@google.com>
12704
12705         * configure.ac: Export new conditional variable HAVE_ZLIB.
12706         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12707         on HAVE_ZLIB.
12708         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12709         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12710
12711 2008-04-07  Ian Lance Taylor  <iant@google.com>
12712
12713         * version.cc (version_string): Set to "1.5".
12714
12715         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12716         Add issued_non_pic_error_ field.  Declare check_non_pic.
12717         (Target_x86_64::Scan::check_non_pic): New function.
12718         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12719         (Target_x86_64::Scan::global): Likewise.
12720
12721         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12722         addend parameter.  Change caller.  Handle merge sections.
12723         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12724         Address to Addend.  Don't add in the result of
12725         local_section_offset, pass down the addend and use the returned
12726         value.
12727         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12728         Update declarations of local_section_offset and symbol_value.
12729         * testsuite/two_file_test_1.cc (t18): New function.
12730         * testsuite/two_file_test_2.cc (f18): New function.
12731         * testsuite/two_file_test_main.cc (main): Call t18.
12732         * testsuite/two_file_test.h (t18, f18): Declare.
12733
12734         * configure.ac: Don't test for objdump, c++filt, or readelf.
12735         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12736         conditionals.
12737         (TEST_READELF): New variable.
12738         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12739         (check_PROGRAMS): Add two_file_strip_test.
12740         (two_file_strip_test): New target.
12741         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12742         (two_file_same_shared_strip_test_SOURCES): New variable.
12743         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12744         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12745         (two_file_same_shared_strip_test_LDADD): New variable.
12746         (two_file_shared_strip.so): New target.
12747         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12748         (ver_test_5.syms, ver_test_7.syms): Likewise.
12749         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12750         (strip_test_3.stdout): Use TEST_OBJDUMP.
12751         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12752
12753 2008-04-04  Cary Coutant  <ccoutant@google.com>
12754
12755         * symtab.h (Symbol::is_weak_undefined): New function.
12756         (Symbol::is_strong_undefined): New function.
12757         (Symbol::is_absolute): New function.
12758         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12759         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12760         absolute symbols.
12761         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12762         (weak_undef_test): New target.
12763         * testsuite/Makefile.in: Rebuild.
12764         * testsuite/weak_undef_file1.cc: New file.
12765         * testsuite/weak_undef_file2.cc: New file.
12766         * testsuite/weak_undef_test.cc: New file.
12767
12768 2008-04-03  Craig Silverstein  <csilvers@google.com>
12769
12770         * compressed_output.h (class Output_compressed_section): Use
12771         unsigned buffer.
12772         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12773         add zlib header.
12774         (zlib_compressed_suffix): Removed.
12775         (Output_compressed_section::set_final_data_size): Use unsigned
12776         buffers.
12777         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12778         Fix linker invocation.
12779         (flagstest_o_specialfile_and_compress_debug_sections):
12780         Likewise.
12781         * testsuite/Makefile.in: Regenerated.
12782
12783 2008-04-02  David S. Miller  <davem@davemloft.net>
12784
12785         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12786         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12787
12788 2008-04-02  Craig Silverstein  <csilvers@google.com>
12789
12790         * TODO: New file.
12791
12792 2008-04-02  Ian Lance Taylor  <iant@google.com>
12793
12794         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12795         parameters.  Update for new key type to views_.  Change all
12796         callers.
12797         (File_read::read): Adjust for byteshift in returned view.
12798         (File_read::add_view): New function, broken out of
12799         find_and_make_view.
12800         (File_read::make_view): New function, broken out of
12801         find_and_make_view.
12802         (File_read::find_or_make_view): Add offset and aligned
12803         parameters.  Rewrite accordingly.  Change all callers.
12804         (File_read::get_view): Add offset and aligned parameters.  Adjust
12805         for byteshift in return value.
12806         (File_read::get_lasting_view): Likewise.
12807         * fileread.h (class File_read): Update declarations.
12808         (class File_read::View): Add byteshift_ field.  Add byteshift to
12809         constructor.  Add byteshift method.
12810         * archive.h (Archive::clear_uncached_views): New function.
12811         (Archive::get_view): Add aligned parameter.  Change all callers.
12812         * object.h (Object::get_view): Add aligned parameter.  Change all
12813         callers.
12814         (Object::get_lasting_view): Likewise.
12815
12816         * fileread.cc (File_read::release): Don't call clear_views if
12817         there are multiple objects.
12818         * fileread.h (File_read::clear_uncached_views): New function.
12819         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12820         on the archive.
12821
12822 2008-03-31  Cary Coutant  <ccoutant@google.com>
12823
12824         Add thin archive support.
12825         * archive.cc (Archive::armagt): New const.
12826         (Archive::setup): Remove task parameter and calls to unlock.
12827         (Archive::unlock_nested_archives): New function.
12828         (Archive::read_header): Add nested_off parameter. Change
12829         all callers.
12830         (Archive::interpret_header): Likewise.
12831         (Archive::include_all_members): Change to handle thin
12832         archives.
12833         (Archive::include_member): Likewise.
12834         * archive.h (Archive::Archive): Add new parameters and
12835         initializers.
12836         (Archive::armagt): New const.
12837         (Archive::setup): Remove task parameter.
12838         (Archive::unlock_nested_archives): New function.
12839         (Archive::read_header): Add nested_off parameter.
12840         (Archive::interpret_header): Likewise.
12841         (Archive::Nested_archive_table): New typedef.
12842         (Archive::is_thin_archive_): New field.
12843         (Archive::nested_archives_): New field.
12844         (Archive::options_): New field.
12845         (Archive::dirpath_): New field.
12846         (Archive::task_): New field.
12847         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12848         for thin archives.  Pass additional parameters to
12849         Archive::Archive.  Unlock the archive file after calling
12850         Archive::setup.
12851
12852 2008-03-29  Ian Lance Taylor  <iant@google.com>
12853
12854         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12855         version symbol to be local.
12856         * testsuite/ver_test_4.sh: New file.
12857         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12858         (check_DATA): Add ver_test_4.syms.
12859         (ver_test_4.syms): New target.
12860         * testsuite/Makefile.in: Rebuild.
12861
12862         * output.cc
12863         (Output_section::Input_section_sort_entry::has_priority): New
12864         function.
12865         (Output_section::Input_section_sort_entry::match_file_name): New
12866         function.
12867         (Output_section::Input_section_sort_entry::match_section_name):
12868         Remove.
12869         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12870         Remove.
12871         (Output_section::Input_section_sort_entry::match_section_file):
12872         Remove.
12873         (Output_section::Input_section_sort_compare::operator()): Rewrite
12874         using new Input_section_sort_entry functions.  Sort crtbegin and
12875         crtend first.  Sort sections with no priority before sections with
12876         a priority.
12877         * testsuite/initpri1.c (d3): Check j != 4.
12878         (cd5): New constructor/destructor function.
12879         (main): Check j != 2.
12880
12881         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12882         new symbol when resolving, don't call set_is_default.
12883         * testsuite/ver_test_7.cc: New file.
12884         * testsuite/ver_test_7.sh: New file.
12885         * testsuite/Makefile.am (ver_test_7.so): New target.
12886         (ver_test_7.o): New target.
12887         (check_SCRIPTS): Add ver_test_7.sh.
12888         (check_DATA): Add ver_test_7.syms.
12889         (ver_test_7.syms): New target.
12890
12891 2008-03-28  Ian Lance Taylor  <iant@google.com>
12892
12893         * layout.cc (Layout::layout): If we see an input section with a
12894         name that needs sorting, set the must_sort flag for the output
12895         section.
12896         (Layout::make_output_section): If the name of the output section
12897         indicates that it might require sorting, set the may_sort flag.
12898         * output.h (Output_section::may_sort_attached_input_sections): New
12899         function.
12900         (Output_section::set_may_sort_attached_input_sections): New
12901         function.
12902         (Output_section::must_sort_attached_input_sections): New
12903         function.
12904         (Output_section::set_must_sort_attached_input_sections): New
12905         function.
12906         (class Output_section): Declare Input_section_sort_entry.  Define
12907         Input_section_sort_compare.  Declare
12908         sort_attached_input_sections.  Add new fields:
12909         may_sort_attached_input_sections_,
12910         must_sort_attached_input_sections_,
12911         attached_input_sections_are_sorted_.
12912         * output.cc (Output_section::Output_section): Initialize new
12913         fields.
12914         (Output_section::add_input_section): Add an entry to
12915         input_sections_ if may_sort or must_sort are true.
12916         (Output_section::set_final_data_size): Call
12917         sort_attached_input_sections if necessary.
12918         (Output_section::Input_section_sort_entry): Define new class.
12919         (Output_section::Input_section_sort_compare::operator()): New
12920         function.
12921         (Output_section::sort_attached_input_sections): New function.
12922         * configure.ac: Check whether the compiler supports constructor
12923         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12924         * testsuite/initpri1.c: New file.
12925         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12926         CONSTRUCTOR_PRIORITY.
12927         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12928         (initpri1_LDFLAGS): New variable.
12929         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12930
12931 2008-03-27  Ian Lance Taylor  <iant@google.com>
12932
12933         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12934         * testsuite/common_test_1.c: New file.
12935         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12936         (common_test_1_SOURCES): New variable.
12937         (common_test_1_DEPENDENCIES): New variable.
12938         (common_test_1_LDFLAGS): New variable.
12939
12940         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12941         and commons_ correctly when NAME/VERSION does not override
12942         NAME/NULL.
12943         * testsuite/ver_test_6.c: New file.
12944         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12945         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12946         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12947
12948 2008-03-26  Ian Lance Taylor  <iant@google.com>
12949
12950         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12951         of an undefined symbol from a version script.
12952         * testsuite/Makefile.am (ver_test_5.so): New target.
12953         (ver_test_5.o): New target.
12954         (check_SCRIPTS): Add ver_test_5.sh.
12955         (check_DATA): Add ver_test_5.syms.
12956         (ver_test_5.syms): New target.
12957         * testsuite/ver_test_5.cc: New file.
12958         * testsuite/ver_test_5.script: New file.
12959         * testsuite/ver_test_5.sh: New file.
12960         * Makefile.in, testsuite/Makefile.in: Rebuild.
12961
12962         PR gold/5986
12963         Fix problems building gold with gcc 4.3.0.
12964         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12965         (gold_error_at_location, gold_warning_at_location): Use it.
12966         * configure.ac: Check whether we can compile and use a template
12967         function with a printf attribute.
12968         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12969         when jumping over bytes.
12970         * object.cc: Instantiate Object::read_section_data.
12971         * debug.h: Include <cstring>
12972         * dwarf_reader.cc: Include <algorithm>
12973         * main.cc: Include <cstring>.
12974         * options.cc: Include <cstring>.
12975         * output.cc: Include <cstring>.
12976         * script.cc: Include <cstring>.
12977         * script.h: Include <string>.
12978         * symtab.cc: Include <cstring> and <algorithm>.
12979         * target-select.cc: Include <cstring>.
12980         * version.cc: Include <string>.
12981         * testsuite/testmain.cc: Include <cstdlib>.
12982         * configure, config.in: Rebuild.
12983
12984 2008-03-25  Ian Lance Taylor  <iant@google.com>
12985
12986         * options.cc: Include "../bfd/bfdver.h".
12987         (options::help): Print bug reporting address.
12988
12989         * version.cc (print_version): Adjust output for current value of
12990         BFD_VERSION_STRING.
12991
12992         * NEWS: New file.
12993
12994         * options.cc (options::help): Print list of supported targets.
12995         * target-select.h: Include <vector>.
12996         (class Target_selector): Make machine_, size_, and is_big_endian_
12997         fields const.  Add bfd_name_ and instantiated_target_ fields.
12998         (Target_selector::Target_selector): Add bfd_name parameter.
12999         (Target_selector::recognize): Make non-virtual, call
13000         do_recognize.
13001         (Target_selector::recognize_by_name): Make non-virtual, call
13002         do_recognize_by_name.
13003         (Target_selector::supported_names): New function.
13004         (Target_selector::bfd_name): New function.
13005         (Target_selector::do_instantiate_target): New pure virtual
13006         function.
13007         (Target_selector::do_recognize): New virtual function.
13008         (Target_selector::do_recognize_by_name): New virtual function.
13009         (Target_selector::instantiate_target): New private function.
13010         (supported_target_names): Declare.
13011         * target-select.cc (Target_selector::Target_selector): Update for
13012         new parameter and fields.
13013         (select_target_by_name): Check that the name matches before
13014         calling recognize_by_name.
13015         (supported_target_names): New function.
13016         * i386.cc (class Target_selector_i386): Update Target_selector
13017         constructor call.  Remove recognize and recognize_by_name.  Add
13018         do_instantiate_target.
13019         * x86_64.cc (class Target_selector_x86_64): Likewise.
13020         * testsuite/testfile.cc (class Target_selector_test): Update for
13021         changes to Target_selector.
13022
13023         * README: Rewrite, with some notes on unsupported features.
13024
13025 2008-03-24  Cary Coutant  <ccoutant@google.com>
13026
13027         * i386.cc (Target_i386::Got_type): New enum declaration.
13028         (Target_i386::Scan::local): Updated callers of Output_data_got
13029         member functions.
13030         (Target_i386::Scan::global): Likewise.
13031         (Target_i386::Relocate::relocate): Likewise.
13032         (Target_i386::Relocate::relocate_tls): Likewise.
13033         * object.h (Got_offset_list): New class.
13034         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13035         (Sized_relobj::local_got_offset): Likewise.
13036         (Sized_relobj::set_local_got_offset): Likewise.
13037         (Sized_relobj::local_has_tls_got_offset): Removed.
13038         (Sized_relobj::local_tls_got_offset): Removed.
13039         (Sized_relobj::set_local_tls_got_offset): Removed.
13040         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13041         * output.cc (Output_data_got::add_global): Added got_type parameter.
13042         (Output_data_got::add_global_with_rel): Likewise.
13043         (Output_data_got::add_global_with_rela): Likewise.
13044         (Output_data_got::add_global_pair_with_rel): New function.
13045         (Output_data_got::add_global_pair_with_rela): New function.
13046         (Output_data_got::add_local): Added got_type parameter.
13047         (Output_data_got::add_local_with_rel): Likewise.
13048         (Output_data_got::add_local_with_rela): Likewise.
13049         (Output_data_got::add_local_pair_with_rel): New function.
13050         (Output_data_got::add_local_pair_with_rela): New function.
13051         (Output_data_got::add_global_tls): Removed.
13052         (Output_data_got::add_global_tls_with_rel): Removed.
13053         (Output_data_got::add_global_tls_with_rela): Removed.
13054         (Output_data_got::add_local_tls): Removed.
13055         (Output_data_got::add_local_tls_with_rel): Removed.
13056         (Output_data_got::add_local_tls_with_rela): Removed.
13057         * output.h (Output_data_got::add_global): Added got_type parameter.
13058         (Output_data_got::add_global_with_rel): Likewise.
13059         (Output_data_got::add_global_with_rela): Likewise.
13060         (Output_data_got::add_global_pair_with_rel): New function.
13061         (Output_data_got::add_global_pair_with_rela): New function.
13062         (Output_data_got::add_local): Added got_type parameter.
13063         (Output_data_got::add_local_with_rel): Likewise.
13064         (Output_data_got::add_local_with_rela): Likewise.
13065         (Output_data_got::add_local_pair_with_rel): New function.
13066         (Output_data_got::add_local_pair_with_rela): New function.
13067         (Output_data_got::add_global_tls): Removed.
13068         (Output_data_got::add_global_tls_with_rel): Removed.
13069         (Output_data_got::add_global_tls_with_rela): Removed.
13070         (Output_data_got::add_local_tls): Removed.
13071         (Output_data_got::add_local_tls_with_rel): Removed.
13072         (Output_data_got::add_local_tls_with_rela): Removed.
13073         * resolve.cc (Symbol::override_base_with_special): Removed
13074         reference to has_got_offset_ field.
13075         * symtab.cc (Symbol::init_fields): Replaced initialization
13076         of got_offset_ with got_offsets_.  Removed initialization
13077         of has_got_offset_
13078         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13079         (Symbol::got_offset): Likewise.
13080         (Symbol::set_got_offset): Likewise.
13081         (Symbol::has_tls_got_offset): Removed.
13082         (Symbol::tls_got_offset): Removed.
13083         (Symbol::set_tls_got_offset): Removed.
13084         (Symbol::got_offset_): Removed.
13085         (Symbol::tls_mod_got_offset_): Removed.
13086         (Symbol::tls_pair_got_offset_): Removed.
13087         (Symbol::got_offsets_): New field.
13088         (Symbol::has_got_offset): Removed.
13089         (Symbol::has_tls_mod_got_offset): Removed.
13090         (Symbol::has_tls_pair_got_offset): Removed.
13091         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13092         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13093         member functions.
13094         (Target_x86_64::Scan::global): Likewise.
13095         (Target_x86_64::Relocate::relocate): Likewise.
13096         (Target_x86_64::Relocate::relocate_tls): Likewise.
13097
13098 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13099
13100         * yyscript.y: Fix spelling error in comment.
13101
13102 2008-03-24  Ian Lance Taylor  <iant@google.com>
13103
13104         * options.h (class General_options): Define build_id option.
13105         * layout.h (class Layout): Declare write_build_id, create_note,
13106         create_build_id.  Add build_id_note_ member.
13107         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13108         "libiberty.h", "md5.h", "sha1.h".
13109         (Layout::Layout): Initialize eh_frame_data_,
13110         eh_frame_hdr_section_, and build_id_note_.
13111         (Layout::finalize): Call create_build_id.
13112         (Layout::create_note): New function, broken out of
13113         Layout::create_gold_note.
13114         (Layout::create_gold_note): Call create_note.
13115         (Layout::create_build_id): New function.
13116         (Layout::write_build_id): New function.
13117         (Close_task_runner::run): Call write_build_id.
13118
13119         * x86_64.cc: Correct license to GPLv3.
13120
13121 2008-03-23  Ian Lance Taylor  <iant@google.com>
13122
13123         * options.cc: Include "demangle.h".
13124         (parse_optional_string): New function.
13125         (parse_long_option): Handle takes_optional_argument.
13126         (parse_short_option): Update dash_z initializer.  Handle
13127         takes_optional_argument.
13128         (General_options::General_options): Initialize do_demangle_.
13129         (General_options::finalize): Set do_demangle_.  Handle demangling
13130         style.
13131         * options.h (parse_optional_string): Declare.
13132         (struct One_option): Add optional_arg field.  Update constructor.
13133         Update call constructor calls.  Add takes_optional_argument
13134         function.
13135         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13136         (DEFINE_optional_string): Define.
13137         (General_options::demangle): Change from DEFINE_bool to
13138         DEFINE_optional_string.
13139         (General_options::no_demangle): New function.
13140         (General_options::do_demangle): New function.
13141         (General_options::set_do_demangle): New function.
13142         (General_options::execstack_status_): Move definition to end of
13143         class definition.
13144         (General_options::static_): Likewise.
13145         (General_options::do_demangle_): New field.
13146         * object.cc (big_endian>::get_symbol_location_info): Call
13147         Options::do_demangle, not Options::demangle.
13148         * symtab.cc (demangle): Likewise.
13149
13150 2008-03-22  Ian Lance Taylor  <iant@google.com>
13151
13152         * gold.h: Include <cstddef> and <sys/types.h>
13153         * options.h: Include <cstring>.
13154
13155 2008-03-21  Ian Lance Taylor  <iant@google.com>
13156
13157         * Added source code to GNU binutils.