gold/ChangeLog

   1 2012-05-23  Cary Coutant  <ccoutant@google.com>
   2
   3         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
   4         more carefully.
   5
   6 2012-05-22  Cary Coutant  <ccoutant@google.com>
   7
   8         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
   9         object before exporting symbol.
  10
  11 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
  12
  13         * testsuite/tls_test.cc: Include "config.h" first.
  14         * testsuite/tls_test_c.c: Likewise.
  15
  16 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
  17             Nick Clifton  <nickc@redhat.com>
  18
  19         PR 14072
  20         * configure.in: Add check that sysdep.h has been included before
  21         any system header files.
  22         * configure: Regenerate.
  23         * config.in: Regenerate.
  24
  25 2012-05-14  Cary Coutant  <ccoutant@google.com>
  26
  27         * layout.cc (Layout::make_output_section): Mark .tdata section
  28         as RELRO.
  29         * testsuite/relro_test.cc: Add a TLS variable.
  30
  31 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
  32
  33         PR gold/14091
  34         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
  35         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
  36         R_X86_64_64.
  37
  38 2012-05-08  Cary Coutant  <ccoutant@google.com>
  39
  40         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
  41         (lines_only_debug_sections): Likewise.
  42
  43 2012-05-02  Roland McGrath  <mcgrathr@google.com>
  44
  45         * nacl.cc: New file.
  46         * nacl.h: New file.
  47         * Makefile.am (CCFILES, HFILES): Add them.
  48         * Makefile.in: Regenerate.
  49         * i386.cc (Output_data_plt_i386_nacl): New class.
  50         (Output_data_plt_i386_nacl_exec): New class.
  51         (Output_data_plt_i386_nacl_dyn): New class.
  52         (Target_i386_nacl): New class.
  53         (Target_selector_i386_nacl): New class.
  54         (target_selector_i386): Use it instead of Target_selector_i386.
  55         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
  56         (Target_x86_64_nacl): New class.
  57         (Target_selector_x86_64_nacl): New class.
  58         (target_selector_x86_64, target_selector_x32): Use it instead of
  59         Target_selector_x86_64.
  60         * arm.cc (Output_data_plt_arm_nacl): New class.
  61         (Target_arm_nacl): New class.
  62         (Target_selector_arm_nacl): New class.
  63         (target_selector_arm, target_selector_armbe): Use it instead of
  64         Target_selector_arm.
  65
  66         * target-select.cc (select_target): Take new Input_file* and off_t
  67         arguments, pass them on to recognize method of selector.
  68         * object.cc (make_elf_sized_object): Update caller.
  69         * parameters.cc (parameters_force_valid_target): Likewise.
  70         * incremental.cc (make_sized_incremental_binary): Likewise.
  71         * target-select.h: Update decl.
  72         (Target_selector::recognize): Take new Input_file* argument,
  73         pass it on to do_recognize.
  74         (Target_selector::do_recognize): Take new Input_file* argument.
  75         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
  76         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
  77         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
  78         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
  79
  80         * target.h (Target::Target_info): New members isolate_execinstr
  81         and rosegment_gap.
  82         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
  83         * arm.cc (Target_arm::arm_info): Update initializer.
  84         * i386.cc (Target_i386::i386_info): Likewise.
  85         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
  86         * sparc.cc (Target_sparc::sparc_info): Likewise.
  87         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
  88         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
  89         * layout.cc (Layout::attach_allocated_section_to_segment):
  90         Take new const Target* argument.  If target->isolate_execinstr(), act
  91         like --rosegment.
  92         (Layout::find_first_load_seg): Take new const Target* argument;
  93         if target->isolate_execinstr(), reject PF_X segments.
  94         (Layout::relaxation_loop_body): Update caller.
  95         (Layout::set_segment_offsets): If target->isolate_execinstr(),
  96         reset file offset to zero when we hit LOAD_SEG, and then do a second
  97         loop over the segments before LOAD_SEG to reassign offsets after
  98         addresses have been determined.  Handle target->rosegment_gap().
  99         (Layout::attach_section_to_segment): Take new const Target* argument;
 100         pass it to attach_allocated_section_to_segment.
 101         (Layout::make_output_section): Update caller.
 102         (Layout::attach_sections_to_segments): Take new const Target* argument;
 103         pass it to attach_section_to_segment.
 104         * gold.cc (queue_middle_tasks): Update caller.
 105         * layout.h (Layout): Update method decls with new arguments.
 106
 107         * arm.cc (Target_arm::Target_arm): Take optional argument for the
 108         Target_info pointer to use.
 109         (Target_arm::do_make_data_plt): New virtual method.
 110         (Target_arm::make_data_plt): New method that calls it.
 111         (Target_arm::make_plt_entry): Use it.
 112         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
 113         for the section alignment.
 114         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
 115         method.
 116         (Output_data_plt_arm::first_plt_entry_offset): Call it.
 117         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
 118         method.
 119         (Output_data_plt_arm::get_plt_entry_size): Call it.
 120         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
 121         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
 122         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
 123         method.
 124         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
 125         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
 126         method instead of sizeof(plt_entry).
 127         (Output_data_plt_arm::add_entry): Likewise.
 128         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
 129         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
 130         than static method.
 131         (Target_arm::plt_entry_size): Likewise.
 132         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
 133         Move to ...
 134         (Output_data_plt_arm_standard): ... here, new class.
 135         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
 136         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
 137         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
 138
 139         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
 140         Take additional argument for the PLT entry size.
 141         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
 142         Use get_plt_entry_size method rather than plt_entry_size variable.
 143         (Output_data_plt_x86_64::reserve_slot): Likewise.
 144         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
 145         (Output_data_plt_x86_64::add_entry): Likewise.
 146         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
 147         (Output_data_plt_x86_64::address_for_global): Likewise.
 148         (Output_data_plt_x86_64::address_for_local): Likewise.
 149         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 150         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
 151         Make method non-static.
 152         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
 153         method.
 154         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
 155         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
 156         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
 157         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
 158         virtual method.
 159         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
 160         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
 161         virtual method.
 162         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
 163         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
 164         virtual method.
 165         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
 166         (Output_data_plt_x86_64::plt_entry_size)
 167         (Output_data_plt_x86_64::first_plt_entry)
 168         (Output_data_plt_x86_64::plt_entry)
 169         (Output_data_plt_x86_64::tlsdesc_plt_entry)
 170         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
 171         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
 172         (Output_data_plt_x86_64_standard): ... here, new class.
 173         (Target_x86_64::Target_x86_64): Take optional argument for the
 174         Target_info pointer to use.
 175         (Target_x86_64::do_make_data_plt): New virtual method.
 176         (Target_x86_64::make_data_plt): New method to call it.
 177         (Target_x86_64::init_got_plt_for_update): Use that.
 178         Call this->plt_->add_eh_frame method here.
 179         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
 180         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
 181         rather than static method.
 182         (Target_x86_64::plt_entry_size): Likewise.
 183         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
 184         rather than plt_entry_size variable.  Move guts of PLT filling to...
 185         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
 186         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
 187         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
 188
 189         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
 190         additional argument for the section alignment.
 191         Don't do add_eh_frame_for_plt here.
 192         (Output_data_plt_i386::first_plt_entry_offset): Make the method
 193         non-static.  Use get_plt_entry_size method rather than plt_entry_size
 194         variable.
 195         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
 196         method.
 197         (Output_data_plt_i386::get_plt_entry_size): Call it.
 198         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
 199         (Output_data_plt_i386::add_eh_frame): New method to call it.
 200         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
 201         method.
 202         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
 203         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
 204         method.
 205         (Output_data_plt_i386::fill_plt_entry): New method to call it.
 206         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
 207         method instead of plt_entry_size.
 208         (Output_data_plt_i386::plt_entry_size)
 209         (Output_data_plt_i386::plt_eh_frame_fde_size)
 210         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
 211         (Output_data_plt_i386_standard): ... here, new class.
 212         (Output_data_plt_i386_exec): New class.
 213         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
 214         (Output_data_plt_i386_exec::first_plt_entry): ... here.
 215         (Output_data_plt_i386::exec_plt_entry): Move to ...
 216         (Output_data_plt_i386_exec::plt_entry): ... here.
 217         (Output_data_plt_i386_dyn): New class.
 218         (Output_data_plt_i386::first_plt_entry): Move to ...
 219         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
 220         (Output_data_plt_i386::dyn_plt_entry): Move to ...
 221         (Output_data_plt_i386_dyn::plt_entry): ... here.
 222         (Target_i386::Target_i386): Take optional argument for the Target_info
 223         pointer to use.
 224         (Target_i386::do_make_data_plt): New virtual method.
 225         (Target_i386::make_data_plt): New method to call it.
 226         (Target_i386::make_plt_section): Use that.
 227         Call this->plt_->add_eh_frame method here.
 228         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
 229         rather than plt_entry_size variable.
 230         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
 231         (Output_data_plt_i386::address_for_local): Likewise.
 232         (Output_data_plt_i386::do_write): Likewise.
 233         Move guts of PLT filling to...
 234         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
 235         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
 236         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
 237         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
 238
 239 2012-05-01  Cary Coutant  <ccoutant@google.com>
 240
 241         * dwarf_reader.cc (Dwarf_die::read_attributes)
 242         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
 243         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
 244         * reduced_debug_output.cc
 245         (Output_reduced_debug_info_section::get_die_end): Remove
 246         DW_FORM_GNU_ref_index.  Add default case.
 247
 248 2012-04-26  Mark Wielaard  <mjw@redhat.com>
 249
 250         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
 251         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
 252         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
 253         DW_AT_high_pc as offset from DW_AT_low_pc.
 254
 255         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
 256         * testsuite/Makefile.in: Regenerate.
 257         * testsuite/gdb_index_test_3.c: New test source file.
 258         * testsuite/gdb_index_test_3.sh: New test source file.
 259
 260 2012-04-25  Ian Lance Taylor  <iant@google.com>
 261
 262         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
 263         pointer.
 264         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
 265         as a class, not a struct.
 266         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
 267         (Target_arm::apply_cortex_a8_workaround): Likewise.
 268         * gc.h: Declare Reloc_types as a struct, not a class.
 269         * object.h: Declare Symbols_data as a struct.
 270         * reloc.h: Declare Read_relocs_data as a struct.
 271         * target.h: Declare Relocate_info as a struct.
 272
 273 2012-04-24  David S. Miller  <davem@davemloft.net>
 274
 275         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
 276         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
 277         and R_SPARC_WPLT30.
 278
 279 2012-04-24  Cary Coutant  <ccoutant@google.com>
 280
 281         * incremental-dump.cc (find_input_containing_global): Replace
 282         magic number with symbolic constant.
 283         (dump_incremental_inputs): Update version number.
 284         * incremental.cc (Output_section_incremental_inputs): Update version
 285         number; import symbolic constants from Incremental_inputs_reader.
 286         (Incremental_inputs::create_data_sections): Align relocations
 287         section correctly for 64-bit targets.
 288         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
 289         constants; add padding.
 290         (Output_section_incremental_inputs::write_header): Add assert for
 291         header_size.
 292         (Output_section_incremental_inputs::write_input_files): Add assert
 293         for input_entry_size.
 294         (Output_section_incremental_inputs::write_info_blocks): Add padding;
 295         add assert for object_info_size, input_section_entry_size,
 296         global_sym_entry_size.
 297         * incremental.h (Incremental_inputs_reader): Add symbolic constants
 298         for data structure sizes; use them.
 299         (Incremental_input_entry_reader): Import symbolic constants from
 300         Incremental_inputs_reader; use them.
 301
 302 2012-04-23  David S. Miller  <davem@davemloft.net>
 303
 304         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
 305         and elf_flags_set_.
 306         (Target_sparc::Target_sparc): Initialize new fields.
 307         (Target_sparc::do_make_elf_object): New function.
 308         (Target_sparc::do_adjust_elf_header): New function.
 309
 310 2012-04-23  Cary Coutant  <ccoutant@google.com>
 311
 312         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
 313         CU range table of gdb index.
 314
 315 2012-04-20  David S. Miller  <davem@davemloft.net>
 316
 317         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
 318         instead of false.
 319
 320 2012-04-16  David S. Miller  <davem@davemloft.net>
 321
 322         * sparc.cc (Target_sparc::got_address): New function.
 323         (Sparc_relocate_functions::gdop_hix22): New function.
 324         (Sparc_relocate_functions::gdop_lox10): New function.
 325         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
 326         relocs.
 327         (Target_sparc::Scan::local): Likewise if the global symbol is not
 328         preemptible and is not IFUNC.
 329         (Target_sparc::Relocate::relocate): Perform GOTDATA code
 330         transformations for local and non-preemptible non-IFUNC global
 331         symbols.
 332
 333         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
 334         writing out 64-bit part of ranges.
 335
 336         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
 337         -fpic and -fpie respectively.
 338         * Makefile.in: Regenerate.
 339
 340         * sparc.cc (class Target_sparc): Add rela_ifunc_.
 341         (Target_sparc::Target_sparc): Initialize new field.
 342         (Target_sparc::do_plt_section_for_global): New function.
 343         (Target_sparc::do_plt_section_for_local): New function.
 344         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
 345         (Target_sparc::make_plt_section): New function, broken out of
 346         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
 347         (Target_sparc::make_plt_entry): Call make_plt_section.
 348         (Target_sparc::make_local_ifunc_plt_entry): New function.
 349         (Target_sparc::rela_ifunc_section): New function.
 350         (Target_sparc::plt_section): Remove const.
 351         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
 352         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
 353         and ifunc_count_ fields.
 354         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
 355         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
 356         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
 357         (Output_data_plt_sparc::rela_ifunc): New function.
 358         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
 359         (Output_data_plt_sparc::has_ifunc_section): New function.
 360         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
 361         (Output_data_plt_sparc::address_for_global): New function.
 362         (Output_data_plt_sparc::address_for_local): New function.
 363         (Output_data_plt_sparc::plt_index_to_offset): New function.
 364         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
 365         and entry_count.
 366         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
 367         entry_count.
 368         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
 369         R_SPARC_JMP_IREL to switch.
 370         (Target_sparc::Scan::check_non_pic): Likewise.
 371         (Target_sparc::Scan::local): Handle IFUNC symbols.
 372         (Target_sparc::Scan::local): Likewise.
 373         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
 374         and plt_address_for_local.
 375         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
 376         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
 377
 378         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
 379         (class Output_data_reloc): Adjust calls to Output_reloc_type.
 380         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
 381         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
 382         global relocs too.
 383         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
 384         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
 385         calls.
 386         * sparc.cc (Target_sparc::Scan::global): Likewise.
 387         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 388
 389 2012-04-16  Cary Coutant  <ccoutant@google.com>
 390
 391         * archive.cc (Library_base::should_include_member): Check for
 392         --export-dynamic-symbol.
 393         * options.h (class General_options): Add --export-dynamic-symbol.
 394         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
 395         --export-dynamic-symbol.
 396         (Symbol_table::gc_mark_undef_symbols): Likewise.
 397         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
 398
 399 2012-04-12  David S. Miller  <davem@davemloft.net>
 400
 401         * sparc.cc (Reloc::wdisp10): New relocation method.
 402         (Reloc::h34): Likewise.
 403         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
 404         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
 405         R_SPARC_WDISP10.
 406         (Target_sparc::Scan::local): Likewise.
 407         (Target_sparc::Scan::global): Likewise.
 408         (Target_sparc::Relocate::relocate): Likewise.
 409
 410 2012-04-09  Cary Coutant  <ccoutant@google.com>
 411
 412         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
 413         low_pc == 0.
 414
 415 2012-04-06  Ian Lance Taylor  <iant@google.com>
 416
 417         * timer.cc: #include <unistd.h>.
 418
 419 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 420
 421         * configure.in (AC_CHECK_HEADERS): Add locale.h.
 422         * config.in: Regenerate.
 423         * configure: Regenerate.
 424
 425 2012-04-05  Nick Clifton  <nickc@redhat.com>
 426
 427         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
 428         (AM_LC_MESSAGES): Add.
 429         * aclocal.m4: Regenerate.
 430         * config.in: Regenerate.
 431         * configure: Regenerate.
 432
 433 2012-03-21  Cary Coutant  <ccoutant@google.com>
 434
 435         * Makefile.am: Add gdb-index.cc, gdb-index.h.
 436         * Makefile.in: Regenerate.
 437         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
 438         (Sized_elf_reloc_mapper::symbol_section): New function.
 439         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
 440         (make_elf_reloc_mapper): New function.
 441         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
 442         (Dwarf_abbrev_table::do_read_abbrevs): New function.
 443         (Dwarf_abbrev_table::do_get_abbrev): New function.
 444         (Dwarf_ranges_table::read_ranges_table): New function.
 445         (Dwarf_ranges_table::read_range_list): New function.
 446         (Dwarf_pubnames_table::read_section): New function.
 447         (Dwarf_pubnames_table::read_header): New function.
 448         (Dwarf_pubnames_table::next_name): New function.
 449         (Dwarf_die::Dwarf_die): New function.
 450         (Dwarf_die::read_attributes): New function.
 451         (Dwarf_die::skip_attributes): New function.
 452         (Dwarf_die::set_name): New function.
 453         (Dwarf_die::set_linkage_name): New function.
 454         (Dwarf_die::attribute): New function.
 455         (Dwarf_die::string_attribute): New function.
 456         (Dwarf_die::int_attribute): New function.
 457         (Dwarf_die::uint_attribute): New function.
 458         (Dwarf_die::ref_attribute): New function.
 459         (Dwarf_die::child_offset): New function.
 460         (Dwarf_die::sibling_offset): New function.
 461         (Dwarf_info_reader::check_buffer): New function.
 462         (Dwarf_info_reader::parse): New function.
 463         (Dwarf_info_reader::do_parse): New function.
 464         (Dwarf_info_reader::do_read_string_table): New function.
 465         (Dwarf_info_reader::lookup_reloc): New function.
 466         (Dwarf_info_reader::get_string): New function.
 467         (Dwarf_info_reader::visit_compilation_unit): New function.
 468         (Dwarf_info_reader::visit_type_unit): New function.
 469         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
 470         Sized_elf_reloc_mapper.
 471         (Sized_dwarf_line_info::symbol_section): Remove function.
 472         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
 473         (Sized_dwarf_line_info::read_line_mappings): Remove object
 474         parameter, adjust callers.
 475         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
 476         * dwarf_reader.h: Include <sys/types.h>.
 477         (class Track_relocs): Remove forward declaration.
 478         (class Elf_reloc_mapper): New class.
 479         (class Sized_elf_reloc_mapper): New class.
 480         (class Dwarf_abbrev_table): New class.
 481         (class Dwarf_range_list): New class.
 482         (class Dwarf_ranges_table): New class.
 483         (class Dwarf_pubnames_table): New class.
 484         (class Dwarf_die): New class.
 485         (class Dwarf_info_reader): New class.
 486         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
 487         (Sized_dwarf_line_info::symbol_section): Remove member function.
 488         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
 489         base class.
 490         * gdb-index.cc: New source file.
 491         * gdb-index.h: New source file.
 492         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
 493         and .debug_types sections, call Layout::add_to_gdb_index.
 494         (Sized_relobj_incr::do_section_name): Implement.
 495         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
 496         return type; Implement.
 497         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 498         return type.
 499         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 500         parameter list and return type.
 501         (Sized_incr_dynobj::do_section_contents): Likewise.
 502         * layout.cc: Include gdb-index.h.
 503         (Layout::Layout): Initialize gdb_index_data_.
 504         (Layout::init_fixed_output_section): Check for .gdb_index section.
 505         (Layout::add_to_gdb_index): New function. Instantiate.
 506         * layout.h: Add forward declaration for class Gdb_index.
 507         (Layout::add_to_gdb_index): New member function.
 508         (Layout::gdb_index_data_): New data member.
 509         * main.cc: Include gdb-index.h.
 510         (main): Print statistics for gdb index.
 511         * object.cc (Object::section_contents): Move code into
 512         do_section_contents.
 513         (need_decompressed_section): Check for sections needed when building
 514         gdb index.
 515         (build_compressed_section_map): Likewise.
 516         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 517         gdb index.
 518         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 519         sections; call Layout::add_to_gdb_index.
 520         (Sized_relobj_file::do_decompressed_section_contents): Call
 521         do_section_contents directly.
 522         * object.h (Object::do_section_contents): Adjust parameter list and
 523         return type.
 524         (Object::do_decompressed_section_contents): Call do_section_contents
 525         directly.
 526         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 527         return type.
 528         * options.h (class General_options): Add --gdb-index option.
 529         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 530         list and return type.
 531         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 532         * reloc.h (Track_relocs::checkpoint): New function.
 533         (Track_relocs::reset): New function.
 534
 535         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 536         New test cases.
 537         * testsuite/Makefile.in: Regenerate.
 538         * testsuite/gdb_index_test.cc: New test source file.
 539         * testsuite/gdb_index_test_1.sh: New test source file.
 540         * testsuite/gdb_index_test_2.sh: New test source file.
 541
 542 2012-03-19  Doug Kwan  <dougkwan@google.com>
 543
 544         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 545         (Target_arm::do_finalize_sections): Remove code which defines
 546         __exidx_start and __exidx_end.  Make symbol table parameter
 547         anonymous as it is not used.
 548         * gold.cc (queue_middle_tasks): Call target hook to define any
 549         target-specific symbols.
 550         * target.h (Target::define_standard_symbols): New method.
 551         (Target::do_define_standard_symbols): Same.
 552         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 553         * testsuite/Makefile.in: Regenerate.
 554         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 555         and __exidx_end.
 556         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 557         relocations are generated for __exidx_start and __exidx_end.
 558
 559 2012-03-16  Doug Kwan  <dougkwan@google.com>
 560
 561         * testsuite/Makefile.am: Disable test initpri3b.
 562         * testsuite/Makefile.in: Regenerate.
 563
 564 2012-03-15  Doug Kwan  <dougkwan@google.com>
 565
 566         * arm.cc (Target_arm::got_section): Make .got section read-only
 567         if -z now is given.
 568
 569 2012-03-15  Ian Lance Taylor  <iant@google.com>
 570
 571         PR gold/13850
 572         * layout.cc (Layout::make_output_section): Correctly mark
 573         SHT_INIT_ARRAY, et. al., as relro.
 574
 575 2012-03-14  Doug Kwan  <dougkwan@google.com>
 576
 577         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 578         dynamic relocations for protected symbols in shared objects.
 579
 580 2012-03-13  Ian Lance Taylor  <iant@google.com>
 581
 582         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 583         keep the larger alignment.
 584
 585 2012-03-12  Cary Coutant  <ccoutant@google.com>
 586
 587         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 588         handling of DW_LNE_define_file.
 589
 590 2012-03-12  Cary Coutant  <ccoutant@google.com>
 591
 592         * reduced_debug_output.cc
 593         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 594         codes to switch.
 595
 596 2012-02-29  Cary Coutant  <ccoutant@google.com>
 597
 598         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 599
 600 2012-02-29  Cary Coutant  <ccoutant@google.com>
 601
 602         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 603         Call Object::decompressed_section_contents.
 604         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 605         New dtor.
 606         (Sized_dwarf_line_info::buffer_start_): New data member.
 607         * merge.cc (Output_merge_data::do_add_input_section): Call
 608         Object::decompressed_section_contents.
 609         (Output_merge_string::do_add_input_section): Likewise.
 610         * object.cc (need_decompressed_section): New function.
 611         (build_compressed_section_map): Decompress sections needed later.
 612         (Sized_relobj_file::do_decompressed_section_contents): New function.
 613         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 614         * object.h (Object::decompressed_section_contents): New function.
 615         (Object::discard_decompressed_sections): New function.
 616         (Object::do_decompressed_section_contents): New function.
 617         (Object::do_discard_decompressed_sections): New function.
 618         (Compressed_section_info): New type.
 619         (Compressed_section_map): Include decompressed section contents.
 620         (Sized_relobj_file::do_decompressed_section_contents): New function.
 621         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 622
 623 2012-02-16  Cary Coutant  <ccoutant@google.com>
 624
 625         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 626         * testsuite/Makefile.in: Regenerate.
 627
 628 2012-02-14  Cary Coutant  <ccoutant@google.com>
 629
 630         * options.cc (General_options::finalize): Disallow -pie and -static.
 631
 632 2012-02-03  Doug Kwan  <dougkwan@google.com>
 633
 634         * arm.cc (Arm_relocate_functions::abs8,
 635         Arm_relocate_functions::abs16): Use
 636         Bits::has_signed_unsigned_overflow32.
 637         (Arm_relocate_functions::thm_abs8): Correct range of
 638         overflow check.
 639         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 640         in assertions.
 641
 642 2012-02-02  Doug Kwan  <dougkwan@google.com>
 643
 644         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 645         position independent outputs, not just shared objects.
 646
 647 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 648
 649         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 650         * configure: Regenerated.
 651
 652 2012-01-27  Ian Lance Taylor  <iant@google.com>
 653
 654         * reloc.h (Bits): New class with static functions, copied from
 655         namespace utils in arm.cc.
 656         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 657         instead.
 658
 659 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 660
 661         * incremental.cc (write_info_blocks): Correct relocation offset.
 662
 663 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 664
 665         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 666         (Relocate::tls_gd_to_le): Likewise.
 667
 668 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 669
 670         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 671
 672 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 673
 674         * configure.ac: Check if -mcmodel=medium works.
 675         * configure: Regenerated.
 676
 677 2012-01-24  Cary Coutant  <ccoutant@google.com>
 678
 679         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 680         definition and ...
 681         (read_unsigned_LEB_128_x): ... this new function.
 682         (read_signed_LEB_128): Replaced with inline definition and ...
 683         (read_signed_LEB_128_x): ... this new function.
 684         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 685         (read_unsigned_LEB_128): Add inline definition.
 686         (read_signed_LEB_128_x): New function.
 687         (read_signed_LEB_128): Add inline definition.
 688         * testsuite/Makefile.am (leb128_unittest): New unit test.
 689         * testsuite/Makefile.in: Regenerate.
 690         * testsuite/leb128_unittest.cc: New unit test.
 691
 692 2012-01-23  Ian Lance Taylor  <iant@google.com>
 693
 694         PR gold/13617
 695         * i386.cc (Target_i386::do_code_fill): When using a jmp
 696         instruction, pad with nop instructions.
 697         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 698
 699 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 700
 701         * x86_64.cc (gc_process_relocs): Add typename on types used in
 702         template.
 703         (scan_relocs): Likewise.
 704         (relocate_section): Likewise.
 705         (apply_relocation): Likewise.
 706
 707 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 708
 709         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 710         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 711         under x32.
 712
 713 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 714
 715         * x86_64.cc: Initial support for x32.
 716
 717 2012-01-03  Cary Coutant  <ccoutant@google.com>
 718
 719         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 720         Use abstract base class for GOT.
 721         * gold/output.h (class Output_data_got_base): New abstract base class.
 722         (class Output_data_got): Derive from new base class, adjust ctors.
 723         (Output_data_got::reserve_slot): Make virtual; rename to
 724         do_reserve_slot; Adjust callers.
 725         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 726         pointer to abstract base class.
 727         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 728
 729 2011-12-18  Ian Lance Taylor  <iant@google.com>
 730
 731         * object.h (Relobj::local_symbol_value): New function.
 732         (Relobj::local_plt_offset): New function.
 733         (Relobj::local_has_got_offset): New function.
 734         (Relobj::local_got_offset): New function.
 735         (Relobj::set_local_got_offset): New function.
 736         (Relobj::do_local_symbol_value): New pure virtual function.
 737         (Relobj::do_local_plt_offset): Likewise.
 738         (Relobj::do_local_has_got_offset): Likewise.
 739         (Relobj::do_local_got_offset): Likewise.
 740         (Relobj::do_set_local_got_offset): Likewise.
 741         (Sized_relobj::do_local_has_got_offset): Rename from
 742         local_has_got_offset.
 743         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 744         (Sized_relobj::do_set_local_got_offset): Rename from
 745         set_local_got_offset.
 746         (Sized_relobj_file::do_local_plt_offset): Rename from
 747         local_plt_offset.
 748         (Sized_relobj_file::do_local_symbol_value): New function.
 749         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 750         local_plt_offset.
 751         * output.cc (Output_data_got::Got_entry::write): Change object to
 752         Relobj.  Use local_symbol_value.
 753         (Output_data_got::add_global_with_rel): Change rel_dyn to
 754         Output_data_reloc_generic*.  Use add_global_generic.
 755         (Output_data_got::add_global_with_rela): Remove.  Change all
 756         callers to use add_global_with_rel.
 757         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 758         Output_data_reloc_generic*.  Use add_global_generic.
 759         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 760         callers to use add_global_pair_with_rel.
 761         (Output_data_got::add_local): Change object to Relobj*.
 762         (Output_data_got::add_local_plt): Likewise.
 763         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 764         change rel_dyn to Output_data_reloc_generic*.  Use
 765         add_local_generic.
 766         (Output_data_got::add_local_with_rela): Remove.  Change all
 767         callers to use all_local_with_rel.
 768         (Output_data_got::add_local_pair_with_rel): Change object to
 769         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 770         add_output_section_generic.
 771         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 772         callers to use add_local_pair_with_rel.
 773         (Output_data_got::reserve_local): Change object to Relobj*.
 774         * output.h: (class Output_data_reloc_generic): Add pure virtual
 775         declarations for add_global_generic, add_local_generic,
 776         add_output_section_generic.
 777         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 778         functions for Output_data_reloc_generic.  Update declarations for
 779         changes listed in output.cc.
 780         (class Output_data_got): Change template parameter to got_size.
 781         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 782         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 783         function.
 784         (Sized_relobj_incr::do_local_plt_offset): New function.
 785         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 786         add_global_generic.
 787
 788 2011-12-17  Cary Coutant  <ccoutant@google.com>
 789
 790         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 791         * resolve.cc (Symbol_table::resolve): Likewise.
 792         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 793         arrays.
 794         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 795
 796 2011-12-16  Ian Lance Taylor  <iant@google.com>
 797
 798         * output.h (Output_data_reloc_generic::add): Only call
 799         add_dynamic_reloc if this is a dynamic reloc section.
 800
 801 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 802
 803         PR gold/13505
 804         * target-reloc.h (apply_relocation): Replace <64, false> with
 805         <size, big_endian>.
 806
 807 2011-11-25  Nick Clifton  <nickc@redhat.com>
 808
 809         * po/it.po: New Italian translation.
 810
 811 2011-11-17  Sterling Augustine  <saugustine@google.com>
 812
 813         * script.cc (script_include_directive): Implement.
 814         (read_script_file): New local variables name and search_path. Update
 815         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 816         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 817         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 818
 819 2011-11-11  Sterling Augustine  <saugustine@google.com>
 820
 821         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 822         (file_or_sections_cmd): Likewise.
 823
 824 2011-11-11  Doug Kwan  <dougkwan@google.com>
 825
 826         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 827         if --just-symbols is given.
 828
 829 2011-11-10  Doug Kwan  <dougkwan@google.com>
 830
 831         PR gold/13362
 832         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 833         when processing data relocs.
 834         * reloc.h (Relocate_functions::rel_unaligned): New method.
 835         (Relocate_functions::pcrel_unaligned): Ditto.
 836         (Relocate_functions::rel32_unaligned): Ditto.
 837         (Relocate_functions::pcrel32_unaligned): Ditto.
 838
 839 2011-11-09  Doug Kwan  <dougkwan@google.com>
 840
 841         PR gold/13362
 842         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 843         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 844         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 845         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 846         (Relocate_functions::rel_unaligned): New.
 847         (Relocate_functions::rel32_unaligned): New.
 848         * target-reloc.h (relocate_for_relocatable): Add code to handle
 849         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 850         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 851         arm_unaligned_reloc_r): New targets.
 852         * testsuite/Makefile.in: Regenerate.
 853         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 854         linking.
 855
 856 2011-11-02  Ian Lance Taylor  <iant@google.com>
 857
 858         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 859         NATIVE_LINKER.
 860         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 861         * options.cc (General_options::finalize): Use library search path
 862         from configure script if specified.  If not native and no sysroot,
 863         only search TOOLLIBDIR.
 864         * options.h (Search_directory::Search_directory): Change name to
 865         const std::string&.
 866         (General_options::add_to_library_path_with_sysroot): Change arg to
 867         const std::string&.
 868         * configure, Makefile.in, config.in: Rebuild.
 869
 870 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 871
 872         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 873         we are working around the ARM1176 Erratum.
 874         * options.h (General_options::fix_arm1176): Add option.
 875         * testsuite/Makefile.am: Add testcases, and keep current ones
 876         working.
 877         * testsuite/Makefile.in: Regenerate.
 878         * testsuite/arm_fix_1176.s: New file.
 879         * testsuite/arm_fix_1176.sh: Likewise.
 880
 881 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 882
 883         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 884         may_use_blx_.
 885         (Target_arm::may_use_blx): Remove method.
 886         (Target_arm::set_may_use_blx): Likewise.
 887         (Target_arm::may_use_v4t_interworking): New method.
 888         (Target_arm::may_use_v5t_interworking): Likewise.
 889         (Target_arm::may_use_blx_): Remove member variable.
 890         (Arm_relocate_functions::arm_branch_common): Check for v5T
 891         interworking.
 892         (Arm_relocate_functions::thumb_branch_common): Likewise.
 893         (Reloc_stub::stub_type_for_reloc): Likewise.
 894         (Target_arm::do_finalize_sections): Correct interworking checks.
 895         * testsuite/Makefile.am: Add new tests.
 896         * testsuite/Makefile.in: Regenerate.
 897         * testsuite/arm_farcall_arm_arm.s: New test.
 898         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 899         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 900         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 901         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 902         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 903         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 904         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 905
 906 2011-10-31  Cary Coutant  <ccoutant@google.com>
 907
 908         PR gold/13023
 909         * expression.cc (Expression::eval_with_dot): Add
 910         is_section_dot_assignment parameter.
 911         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 912         absolute and assigning to dot within a section.
 913         * script-sections.cc
 914         (Output_section_element_assignment::set_section_addresses): Pass
 915         dot_section to set_if_absolute.
 916         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 917         as is_section_dot_assignment flag to eval_with_dot.
 918         (Output_section_element_dot_assignment::set_section_addresses):
 919         Likewise.
 920         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 921         parameter.  Also set value if relative to dot_section; set the
 922         symbol's output_section.
 923         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 924         parameter.  Adjust all callers.
 925         (Expression::eval_maybe_dot): Likewise.
 926         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 927         Adjust all callers.
 928         * testsuite/script_test_2.t: Test assignment of an absolute value
 929         to dot within an output section element.
 930
 931 2011-10-31  Cary Coutant  <ccoutant@google.com>
 932
 933         * options.h (class General_options): Add --[no-]gnu-unique options.
 934         * symtab.cc (Symbol_table::sized_write_globals): Convert
 935         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 936
 937 2011-10-31  Cary Coutant  <ccoutant@google.com>
 938
 939         PR gold/13359
 940         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 941         unnecessary assertion.
 942         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 943
 944 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 945
 946         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 947         gc_mark_symbol.
 948         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 949         gc_mark_symbol.
 950         Change to just keep the section associated with symbol.
 951         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 952         they are externally visible and --export-dynamic is turned on.
 953         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 954
 955 2011-10-19  Ian Lance Taylor  <iant@google.com>
 956
 957         PR gold/13163
 958         * script-sections.cc
 959         (Output_section_element_dot_assignment::needs_output_section): New
 960         function.
 961
 962 2011-10-19  Ian Lance Taylor  <iant@google.com>
 963
 964         PR gold/13204
 965         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 966         --section-start option was seen.
 967         * options.h (General_options::any_section_start): New function.
 968
 969 2011-10-18  David S. Miller  <davem@davemloft.net>
 970
 971         PR binutils/13301
 972         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 973         member to track relocation locations that have moved during TLS
 974         reloc optimizations.
 975         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 976         (Target_sparc::Relocate::relocate): Adjust view down by 4
 977         bytes if it matches reloc_adjust_addr_.
 978         (Target_sparc::Relocate::relocate_tls): Always move the
 979         __tls_get_addr call delay slot instruction forward 4 bytes when
 980         performing relaxation.
 981
 982 2011-10-18  Cary Coutant  <ccoutant@google.com>
 983
 984         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 985         (Output_file::map_no_anonymous): Check for non-zero
 986         return code from posix_fallocate.
 987
 988 2011-10-17  Cary Coutant  <ccoutant@google.com>
 989
 990         PR gold/13245
 991         * plugin.cc (is_visible_from_outside): Check for symbols
 992         referenced from dynamic objects.
 993         * resolve.cc (Symbol_table::resolve): Don't count references
 994         from dynamic objects as references from real ELF files.
 995         * testsuite/plugin_test_2.sh: Adjust expected result.
 996
 997 2011-10-17  Cary Coutant  <ccoutant@google.com>
 998
 999         * gold.cc: Include timer.h.
1000         (queue_middle_tasks): Stamp time.
1001         (queue_final_tasks): Likewise.
1002         * main.cc (main): Store timer in parameters.  Print timers
1003         for each pass.
1004         * parameters.cc (Parameters::Parameters): Initialize timer_.
1005         (Parameters::set_timer): New function.
1006         (set_parameters_timer): New function.
1007         * parameters.h (Parameters::set_timer): New function.
1008         (Parameters::timer): New function.
1009         (Parameters::timer_): New data member.
1010         (set_parameters_timer): New function.
1011         * timer.cc (Timer::stamp): New function.
1012         (Timer::get_pass_time): New function.
1013         * timer.h (Timer::stamp): New function.
1014         (Timer::get_pass_time): New function.
1015         (Timer::pass_times_): New data member.
1016
1017 2011-10-17  Cary Coutant  <ccoutant@google.com>
1018
1019         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1020         task for members of lib groups.
1021
1022 2011-10-17  Cary Coutant  <ccoutant@google.com>
1023
1024         PR gold/13288
1025         * fileread.cc (File_read::find_view): Add assert.
1026         (File_read::make_view): Move bounds check (replace with assert)...
1027         (File_read::find_or_make_view): ... to here.
1028
1029 2011-10-12  Cary Coutant  <ccoutant@google.com>
1030
1031         * output.cc (Output_file::open_base_file): Handle case where
1032         ::read returns less than requested size.
1033
1034 2011-10-10  Cary Coutant  <ccoutant@google.com>
1035
1036         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1037         Initialize defined_count_.
1038         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1039         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1040         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1041         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1042         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1043         * incremental.h (Sized_relobj_incr::defined_count_): New data
1044         member.
1045         (Sized_incr_dynobj::defined_count_): New data member.
1046         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1047         Return zeroes instead of internal error.
1048
1049 2011-10-10  Cary Coutant  <ccoutant@google.com>
1050
1051         PR gold/13249
1052         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1053         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1054         * output.h (class Output_reloc): Add use_plt_offset flag.
1055         (Output_reloc::type_): Adjust size of bit field.
1056         (Output_reloc::use_plt_offset_): New bit field.
1057         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1058         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1059         flag.  Adjust all callers.
1060         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1061         creating RELATIVE relocations.
1062
1063 2011-10-10  Nick Clifton  <nickc@redhat.com>
1064
1065         * po/es.po: Updated Spanish translation.
1066         * po/fi.po: Updated Finnish translation.
1067
1068 2011-10-03   Diego Novillo  <dnovillo@google.com>
1069
1070         * options.cc (parse_uint): Fix dereference of RETVAL.
1071
1072 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1073
1074         * layout.h (section_order_map_): New member.
1075         (get_section_order_map): New member function.
1076         * output.cc (Output_section::add_input_section): Check for patterns
1077         only when --section-ordering-file is specified.
1078         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1079         output_sections have been formed.
1080         * layout.cc (Layout_Layout): Initialize section_order_map_.
1081         * plugin.cc (update_section_order): Store order in order_map. Do not
1082         update the order.
1083         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1084         * testsuite/Makefile.in: Regenerate.
1085         * testsuite/plugin_section_order.c: New file.
1086         * testsuite/plugin_final_layout.cc: New file.
1087         * testsuite/plugin_final_layout.sh: New file.
1088
1089 2011-09-29  Cary Coutant  <ccoutant@google.com>
1090
1091         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1092         Check for NULL.
1093         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1094         symbols during incremental update.
1095         (Symbol_table::add_from_dynobj): Likewise.
1096
1097 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1098             Ian Lance Taylor  <iant@google.com>
1099
1100         * symtab.cc (Symbol_table::define_special_symbol): Always
1101         canonicalize version string.
1102
1103 2011-09-26  Cary Coutant  <ccoutant@google.com>
1104
1105         * gold.cc (queue_initial_tasks): Move option checks ...
1106         * options.cc (General_options::finalize): ... to here. Disable
1107         some options; make others fatal.
1108
1109 2011-09-26  Cary Coutant  <ccoutant@google.com>
1110
1111         gcc PR lto/47247
1112         * plugin.cc (get_symbols_v2): New function.
1113         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1114         (is_referenced_from_outside): New function.
1115         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1116         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1117         (get_symbols): Pass version parameter.
1118         (get_symbols_v2): New function.
1119         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1120         parameter.
1121         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1122         (onload): Add LDPT_GET_SYMBOLS_V2.
1123         (all_symbols_read_hook): Use get_symbols_v2; check for
1124         LDPR_PREVAILING_DEF_IRONLY_EXP.
1125         * testsuite/plugin_test_3.sh: Update expected results.
1126
1127 2011-09-23  Simon Baldwin  <simonb@google.com>
1128
1129         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1130         configuration options.
1131         * configure: Regenerate.
1132         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1133         * Makefile.in: Regenerate.
1134         * testsuite/Makefile.in: Regenerate.
1135
1136 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1137
1138         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1139
1140 2011-09-19  Cary Coutant  <ccoutant@google.com>
1141
1142         * incremental.cc (can_incremental_update): Fix typo in comment.
1143         * incremental.h (can_incremental_update): Likewise.
1144
1145 2011-09-18  Cary Coutant  <ccoutant@google.com>
1146
1147         * incremental.cc (can_incremental_update): New function.
1148         * incremental.h (can_incremental_update): New function.
1149         * layout.cc (Layout::init_fixed_output_section): Call it.
1150         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1151         * object.cc (Sized_relobj_file::do_layout): Call
1152         can_incremental_update.
1153
1154 2011-09-13  Cary Coutant  <ccoutant@google.com>
1155
1156         * configure.ac: Check for glibc support for gnu_indirect_function
1157         support with static linking, setting automake conditional
1158         IFUNC_STATIC.
1159         * Makefile.in: Regenerate.
1160         * configure: Regenerate.
1161
1162         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1163         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1164         for IFUNC_STATIC.
1165         * testsuite/Makefile.in: Regenerate.
1166
1167 2011-09-13  Cary Coutant  <ccoutant@google.com>
1168
1169         * incremental.cc (Sized_relobj_incr::do_layout): Call
1170         report_comdat_group for kept comdat sections.
1171         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1172         * testsuite/Makefile.in: Regenerate.
1173         * testsuite/incr_comdat_test_1.cc: New source file.
1174         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1175         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1176         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1177
1178 2011-09-13  Ian Lance Taylor  <iant@google.com>
1179
1180         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1181         variable external_symbols_offset.
1182
1183 2011-09-12  Ian Lance Taylor  <iant@google.com>
1184
1185         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1186         triggered if object has no symbols.
1187
1188 2011-09-09  David S. Miller  <davem@davemloft.net>
1189
1190         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1191         (Output_fill_debug_line::do_write): Likewise.
1192
1193 2011-08-29  Cary Coutant  <ccoutant@google.com>
1194
1195         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1196         casts to match formatting specs.
1197         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1198
1199 2011-08-26  Cary Coutant  <ccoutant@google.com>
1200
1201         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1202         remaining hole size when allocating.
1203         (Layout::make_output_section): Set fill methods for debug sections.
1204         * layout.h (Free_list::Free_list_node): Move from private to
1205         public.
1206         (Free_list::set_min_hole_size): New function.
1207         (Free_list::begin, Free_list::end): New functions.
1208         (Free_list::min_hole_): New data member.
1209         * output.cc: Include dwarf.h.
1210         (Output_fill_debug_info::do_minimum_hole_size): New function.
1211         (Output_fill_debug_info::do_write): New function.
1212         (Output_fill_debug_line::do_minimum_hole_size): New function.
1213         (Output_fill_debug_line::do_write): New function.
1214         (Output_section::Output_section): Initialize new data member.
1215         (Output_section::set_final_data_size): Ensure patch space is larger
1216         than minimum hole size.
1217         (Output_section::do_write): Fill holes in debug sections.
1218         * output.h (Output_fill): New class.
1219         (Output_fill_debug_info): New class.
1220         (Output_fill_debug_line): New class.
1221         (Output_section::set_free_space_fill): New function.
1222         (Output_section::free_space_fill_): New data member.
1223         * testsuite/Makefile.am (incremental_test_3): Add
1224         --incremental-patch option.
1225         (incremental_test_4): Likewise.
1226         (incremental_test_5): Likewise.
1227         (incremental_test_6): Likewise.
1228         (incremental_copy_test): Likewise.
1229         (incremental_common_test_1): Likewise.
1230         * testsuite/Makefile.in: Regenerate.
1231
1232 2011-08-26  Nick Clifton  <nickc@redhat.com>
1233
1234         * po/es.po: Updated Spanish translation.
1235
1236 2011-08-01  Cary Coutant  <ccoutant@google.com>
1237
1238         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
1239         * gold/testsuite/Makefile.in: Regenerate.
1240         * gold/testsuite/justsyms_exec.c: New source file.
1241         * gold/testsuite/justsyms_lib.c: New source file.
1242
1243 2011-08-01  Cary Coutant  <ccoutant@google.com>
1244
1245         * layout.cc (Layout::set_segment_offsets): Don't realign text
1246         segment if -Ttext was specified.
1247         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1248         file type.
1249         * object.h (Sized_relobj_file::e_type): New function.
1250         (Sized_relobj_file::e_type_): New data member.
1251         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1252         base address for ET_EXEC files.
1253         * target.cc (Target::do_make_elf_object_implementation): Allow
1254         ET_EXEC files with --just-symbols option.
1255
1256 2011-07-28  Cary Coutant  <ccoutant@google.com>
1257
1258         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1259         Add thread_number parameter.
1260         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1261         * workqueue-threads.cc
1262         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1263         current thread if its thread number is greater than desired thread
1264         count.
1265         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1266         Add thread_number parameter.
1267         (Workqueue::should_cancel_thread): Likewise.
1268         (Workqueue::find_runnable_or_wait): Pass thread_number to
1269         should_cancel_thread.
1270         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1271         parameter.
1272
1273 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1274
1275         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1276         only after checking if it cannot be forced local.
1277         * symtab.h (is_externally_visible): Check if the symbol is not forced
1278         local.
1279
1280 2011-07-15  Ian Lance Taylor  <iant@google.com>
1281
1282         * options.h (class General_options): Add --print-output-format.
1283         Move -EL next to -EB, for  better --help output.
1284         * target-select.cc: Include <cstdio>, "options.h", and
1285         "parameters.h".
1286         (Target_selector::do_target_bfd_name): New function.
1287         (print_output_format): New function.
1288         * target-select.h (class Target_selector): Update declarations.
1289         (Target_selector::target_bfd_name): New function.
1290         (print_output_format): Declare.
1291         * main.cc: Include "target-select.h".
1292         (main): Handle --print-output-format.
1293         * gold.cc: Include "target-select.h".
1294         (queue_initial_tasks): Handle --print-output-format when there are
1295         no input files.
1296         * parameters.cc (parameters_force_valid_target): Give a better
1297         error message if -EB/-EL does not match target.
1298         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
1299         function.
1300
1301 2011-07-15  Ian Lance Taylor  <iant@google.com>
1302
1303         * i386.cc (class Output_data_plt_i386): Add layout_ field.
1304         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
1305         (Output_data_plt_i386::do_write): Write address of .dynamic
1306         section to first entry in .got.plt section.
1307         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
1308         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1309         Initialize layout_.
1310         (Output_data_plt_x86_64::do_write): Write address of .dynamic
1311         section to first entry in .got.plt section.
1312         * layout.h (Layout::dynamic_section): New function.
1313
1314 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
1315
1316         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
1317         to claim_file call.
1318         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1319         input_section_position_, and input_section_glob_.
1320         (read_layout_from_file): Call function section_ordering_specified.
1321         * layout.h (is_section_ordering_specified): New function.
1322         (section_ordering_specified): New function.
1323         (section_ordering_specified_): New boolean member.
1324         * main.cc(main): Call load_plugins after layout object is defined.
1325         * output.cc (Output_section::add_input_section): Use
1326         function section_ordering_specified to check if section ordering is
1327         needed.
1328         * output.cc (Output_section::add_relaxed_input_section): Use
1329         function section_ordering_specified to check if section ordering is
1330         needed.
1331         (Output_section::update_section_layout): New function.
1332         (Output_section::sort_attached_input_sections): Check if input section
1333         must be reordered.
1334         * output.h (Output_section::update_section_layout): New function.
1335         * plugin.cc (get_section_count): New function.
1336         (get_section_type): New function.
1337         (get_section_name): New function.
1338         (get_section_contents): New function.
1339         (update_section_order): New function.
1340         (allow_section_ordering): New function.
1341         (Plugin::load): Add the new interfaces to the transfer vector.
1342         (Plugin_manager::load_plugins): New parameter.
1343         (Plugin_manager::all_symbols_read): New parameter.
1344         (Plugin_manager::claim_file): New parameter. Save the elf object for
1345         unclaimed objects.
1346         (Plugin_manager::get_elf_object): New function.
1347         (Plugin_manager::get_view): Change to directly use the bool to check
1348         if get_view is called from claim_file_hook.
1349         * plugin.h (input_objects): New function
1350         (Plugin__manager::load_plugins): New parameter.
1351         (Plugin_manager::claim_file): New parameter.
1352         (Plugin_manager::get_elf_object): New function.
1353         (Plugin_manager::in_claim_file_handler): New function.
1354         (Plugin_manager::in_claim_file_handler_): New member.
1355         (layout): New function.
1356         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1357         handler with an extra parameter. Make the elf object before calling
1358         claim_file handler.
1359         * testsuite/plugin_test.c (get_section_count): New function pointer.
1360         (get_section_type): New function pointer.
1361         (get_section_name): New function pointer.
1362         (get_section_contents): New function pointer.
1363         (update_section_order): New function pointer.
1364         (allow_section_ordering): New function pointer.
1365         (onload): Check if the new interfaces exist.
1366
1367 2011-07-13  Ian Lance Taylor  <iant@google.com>
1368
1369         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1370         relro section.
1371         * x86_64.cc (Target_x86_64::got_section): Likewise.
1372         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1373         (relro_now_test_SOURCES): New variable.
1374         (relro_now_test_DEPENDENCIES): New variable.
1375         (relro_now_test_LDFLAGS): New variable.
1376         (relro_now_test_LDADD): New variable.
1377         (relro_now_test.so): New target.
1378         * testsuite/Makefile.in: Rebuild.
1379
1380 2011-07-12  Ian Lance Taylor  <iant@google.com>
1381
1382         PR gold/12980
1383         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1384         GLOB_DAT relocation rather than a RELATIVE relocation for a
1385         protected symbol when creating a shared library.
1386         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1387         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1388         * testsuite/protected_main_1.cc (main): Test that protected
1389         function has same address.
1390
1391 2011-07-11  Ian Lance Taylor  <iant@google.com>
1392
1393         PR gold/12979
1394         * options.h (class General_options): Add -Bgroup.
1395         * options.cc (General_options::finalize): If -Bgroup is set,
1396         default to --unresolved-symbols=report-all.
1397         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1398         * target-reloc.h (issue_undefined_symbol_error): Handle
1399         --unresolved-symbols=report-all.
1400
1401 2011-07-08  Ian Lance Taylor  <iant@google.com>
1402
1403         PR gold/11985
1404         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1405         if linker script discards key sections.
1406         (Layout::create_dynamic_symtab): Likewise.
1407         (Layout::assign_local_dynsym_offsets): Likewise.
1408         (Layout::sized_create_version_sections): Likewise.
1409         (Layout::create_interp): Likewise.
1410         (Layout::finish_dynamic_section): Likewise.
1411         (Layout::set_dynamic_symbol_size): Likewise.
1412
1413 2011-07-08  Ian Lance Taylor  <iant@google.com>
1414
1415         PR gold/12386
1416         * options.h (class General_options): Add --unresolved-symbols.
1417         * target-reloc.h (issue_undefined_symbol_error): Check
1418         --unresolved-symbols.  Add comments.
1419
1420 2011-07-08  Ian Lance Taylor  <iant@google.com>
1421
1422         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1423         expression more complex.
1424
1425 2011-07-08  Ian Lance Taylor  <iant@google.com>
1426
1427         PR gold/11317
1428         * target-reloc.h (issue_undefined_symbol_error): New inline
1429         function, broken out of relocate_section.
1430         (relocate_section): Call issue_undefined_symbol_error.
1431         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1432         there is no TLS segment if we are about to issue an undefined
1433         symbol error.
1434         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1435
1436 2011-07-08  Ian Lance Taylor  <iant@google.com>
1437
1438         PR gold/12279
1439         * resolve.cc (Symbol_table::should_override): Add fromtype
1440         parameter.  Change all callers.  Give error when linking together
1441         TLS and non-TLS symbol.
1442         (Symbol_table::should_override_with_special): Add fromtype
1443         parameter.  Change all callers.
1444         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1445         there is no TLS segment if we have reported some errors.
1446         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1447
1448 2011-07-08  Ian Lance Taylor  <iant@google.com>
1449
1450         PR gold/12372
1451         * target.h (Target::plt_address_for_global): New function.
1452         (Target::plt_address_for_local): New function.
1453         (Target::plt_section_for_global): Remove.
1454         (Target::plt_section_for_local): Remove.
1455         (Target::do_plt_address_for_global): New virtual function.
1456         (Target::do_plt_address_for_local): New virtual function.
1457         (Target::do_plt_section_for_global): Remove.
1458         (Target::do_plt_section_for_local): Remove.
1459         (Target::register_global_plt_entry): Add Symbol_table and Layout
1460         parameters.
1461         * output.cc (Output_data_got::Got_entry::write): Use
1462         plt_address_for_global and plt_address_for_local.
1463         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1464         address of output section.
1465         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1466         got_irelative_, and irelative_count_ fields.  Update
1467         declarations.
1468         (Output_data_plt_i386::has_irelative_section): New function.
1469         (Output_data_plt_i386::entry_count): Add irelative_count_.
1470         (Output_data_plt_i386::set_final_data_size): Likewise.
1471         (class Target_i386): Add got_irelative_ and rel_irelative_
1472         fields.  Update declarations.
1473         (Target_i386::Target_i386): Initialize new fields.
1474         (Target_i386::do_plt_address_for_global): New function replacing
1475         do_plt_section_for_global.
1476         (Target_i386::do_plt_address_for_local): New function replacing
1477         do_plt_section_for_local.
1478         (Target_i386::got_section): Create got_irelative_.
1479         (Target_i386::rel_irelative_section): New function.
1480         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1481         fields.  Don't define __rel_iplt_{start,end}.
1482         (Output_data_plt_i386::add_entry): Add symtab and layout
1483         parameters.  Change all callers.  Use different PLT and GOT for
1484         IFUNC symbols.
1485         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1486         layout parameters.  Change all callers.  Use different PLT and
1487         GOT.
1488         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1489         (Output_data_plt_i386::rel_irelative): New function.
1490         (Output_data_plt_i386::address_for_global): New function.
1491         (Output_data_plt_i386::address_for_local): New function.
1492         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1493         IRELATIVE GOT when changing IFUNC GOT entries.
1494         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1495         reloc.
1496         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1497         if we didn't create an IRELATIVE GOT.
1498         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1499         plt_address_for_local.
1500         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1501         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1502         got_irelative_, and irelative_count_ fields.  Update
1503         declarations.
1504         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1505         Initialize new fields.  Remove symtab parameter.  Change all
1506         callers.
1507         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1508         irelative_count_.
1509         (Output_data_plt_x86_64::has_irelative_section): New function.
1510         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1511         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1512         fields.  Update declarations.
1513         (Target_x86_64::Target_x86_64): Initialize new fields.
1514         (Target_x86_64::do_plt_address_for_global): New function replacing
1515         do_plt_section_for_global.
1516         (Target_x86_64::do_plt_address_for_local): New function replacing
1517         do_plt_section_for_local.
1518         (Target_x86_64::got_section): Create got_irelative_.
1519         (Target_x86_64::rela_irelative_section): New function.
1520         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1521         all callers.  Don't create __rel_iplt_{start,end}.
1522         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1523         parameters.  Change all callers.  Use different PLT and GOT for
1524         IFUNC symbols.
1525         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1526         layout parameters.  Change all callers.  Use different PLT and
1527         GOT.
1528         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1529         parameters.  Change all callers.  Use different PLT and GOT for
1530         IFUNC symbols.
1531         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1532         (Output_data_plt_x86_64::rela_irelative): New function.
1533         (Output_data_plt_x86_64::address_for_global): New function.
1534         (Output_data_plt_x86_64::address_for_local): New function.
1535         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1536         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1537         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1538         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1539         parameters.
1540         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1541         reloc.
1542         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1543         symbols if we didn't create an IRELATIVE GOT.
1544         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1545         plt_address_for_local.
1546         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1547         * testsuite/ifuncvar1.c: New test file.
1548         * testsuite/ifuncvar2.c: New test file.
1549         * testsuite/ifuncvar3.c: New test file.
1550         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1551         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1552         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1553         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1554         * testsuite/Makefile.in: Rebuild.
1555
1556 2011-07-07  Cary Coutant  <ccoutant@google.com>
1557
1558         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1559         (two_file_test_1_ndebug.o): Likewise.
1560         (two_file_test_1b_ndebug.o): Likewise.
1561         (two_file_test_2_ndebug.o): Likewise.
1562         (two_file_test_main_ndebug.o): Likewise.
1563         (incremental_test_2): Link with no-debug versions.
1564
1565 2011-07-06  Cary Coutant  <ccoutant@google.com>
1566
1567         * gold/incremental.cc
1568         (Output_section_incremental_inputs::write_info_blocks): Check for
1569         hidden and internal symbols.
1570
1571 2011-07-06  Cary Coutant  <ccoutant@google.com>
1572
1573         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1574         Check disposition for startup file.
1575         (Incremental_inputs::report_command_line): Ignore
1576         --incremental-startup-unchanged option.
1577         * options.cc (General_options::parse_incremental_startup_unchanged):
1578         New function.
1579         (General_options::General_options): Initialize new data member.
1580         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1581         (General_options): Add --incremental-startup-unchanged option.
1582         (General_options::incremental_startup_disposition): New function.
1583         (General_options::incremental_startup_disposition_): New data member.
1584
1585 2011-07-06  Cary Coutant  <ccoutant@google.com>
1586
1587         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1588         input file index to Script_info ctor.
1589         (Sized_incremental_binary::do_file_has_changed): Find the
1590         command-line argument for files named in scripts.
1591         * incremental.h (Script_info::Script_info): New ctor
1592         with input file index.
1593         (Script_info::input_file_index): New function.
1594         (Script_info::input_file_index_): New data member.
1595         (Incremental_binary::get_library): Add const.
1596         (Incremental_binary::get_script_info): Add const.
1597         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1598         * testsuite/Makefile.am (incremental_test_5): New test case.
1599         (incremental_test_6): New test case.
1600         * testsuite/Makefile.in: Regenerate.
1601
1602 2011-07-06  Cary Coutant  <ccoutant@google.com>
1603
1604         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1605         debug output when command lines differ.
1606
1607 2011-07-06  Cary Coutant  <ccoutant@google.com>
1608
1609         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1610         --incremental-patch option.
1611         * layout.cc (Free_list::allocate): Extend allocation beyond original
1612         end if enabled.
1613         (Layout::make_output_section): Mark sections that should get
1614         patch space.
1615         * options.cc (parse_percent): New function.
1616         * options.h (parse_percent): New function.
1617         (DEFINE_percent): New macro.
1618         (General_options): Add --incremental-patch option.
1619         * output.cc (Output_section::Output_section): Initialize new data
1620         members.
1621         (Output_section::add_input_section): Print section name when out
1622         of patch space.
1623         (Output_section::add_output_section_data): Likewise.
1624         (Output_section::set_final_data_size): Add patch space when
1625         doing --incremental-full.
1626         (Output_section::do_reset_address_and_file_offset): Remove patch
1627         space.
1628         (Output_segment::set_section_list_addresses): Print debug output
1629         only if --incremental-update.
1630         * output.h (Output_section::set_is_patch_space_allowed): New function.
1631         (Output_section::is_patch_space_allowed_): New data member.
1632         (Output_section::patch_space_): New data member.
1633         * parameters.cc (Parameters::incremental_full): New function.
1634         * parameters.h (Parameters::incremental_full): New function
1635         * testsuite/Makefile.am (incremental_test_2): Add test for
1636         --incremental-patch option.
1637         * testsuite/Makefile.in: Regenerate.
1638         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1639         (t18): Remove function body.
1640
1641 2011-07-05  Doug Kwan  <dougkwan@google.com>
1642
1643         PR gold/12771
1644         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1645         Arm_Address type for relocation result.
1646         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1647         overflow check.
1648         (Arm_relocate_functions::abs32): Use unaligned access.
1649         (Arm_relocate_functions::rel32): Ditto.
1650         (Arm_relocate_functions::prel31): Ditto.
1651         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1652         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1653         static data relocations.
1654         * testsuite/Makefile.in: Regnerate.
1655         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1656
1657 2011-07-05  Ian Lance Taylor  <iant@google.com>
1658
1659         PR gold/12392
1660         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1661         symbols if necessary.
1662         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1663
1664 2011-07-05  Ian Lance Taylor  <iant@google.com>
1665
1666         PR gold/12952
1667         * resolve.cc (Symbol::override_base_with_special): Simply override
1668         version with special symbol version, ignoring previous version.
1669
1670 2011-07-05  Ian Lance Taylor  <iant@google.com>
1671
1672         * object.cc (Sized_relobj_file::include_section_group): Add
1673         information to comment about signature location.
1674
1675 2011-07-02  Ian Lance Taylor  <iant@google.com>
1676
1677         PR gold/12957
1678         * options.h (class General_options): Add -f and -F.
1679         * options.cc (General_options::finalize): Fatal error if -f/-F
1680         are used without -shared.
1681         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1682
1683 2011-07-02  Ian Lance Taylor  <iant@google.com>
1684
1685         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1686
1687 2011-07-01  Ian Lance Taylor  <iant@google.com>
1688
1689         PR gold/12525
1690         PR gold/12952
1691         * resolve.cc (Symbol::override_base_with_special): Don't override
1692         the version if the overriding symbol has a different name.
1693         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1694         all callers.  If we give an error about an undefined version,
1695         define the base version if necessary.
1696         * dynobj.h (class Versions): Update declaration.
1697         * testsuite/weak_alias_test_5.cc: New file.
1698         * testsuite/weak_alias_test.script: New file.
1699         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1700         and versioned_alias have the right value, and call t2.
1701         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1702         weak_alias_test_5.so.
1703         (weak_alias_test_LDADD): Likewise.
1704         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1705         * testsuite/Makefile.in: Rebuild.
1706
1707 2011-07-01  Ian Lance Taylor  <iant@google.com>
1708
1709         PR gold/12525
1710         * options.h (class General_options): Support -z notext.
1711         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1712         -Wl,-z,notext.
1713         (two_file_shared_nonpic.so): Likewise.
1714         (two_file_shared_mixed.so): Likewise.
1715         (two_file_shared_mixed_1.so): Likewise.
1716         (weak_undef_lib_nonpic.so): Likewise.
1717         (alt/weak_undef_lib_nonpic.so): Likewise.
1718         (tls_test_shared_nonpic.so): Likewise.
1719         * testsuite/Makefile.in: Rebuild.
1720
1721 2011-07-01  Ian Lance Taylor  <iant@google.com>
1722
1723         PR gold/12525
1724         * configure.ac: Test whether static linking works, setting
1725         the automake conditional HAVE_STATIC.
1726         * testsuite/Makefile.am: Disable tests using -static if
1727         HAVE_STATIC is not true.
1728         * configure, testsuite/Makefile.in: Rebuild.
1729
1730 2011-07-01  Ian Lance Taylor  <iant@google.com>
1731
1732         PR gold/12525
1733         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1734         Assert if we see DW_EH_PE_indirect.
1735         * target.h (Target::ehframe_datarel_base): New function.
1736         (Target::do_ehframe_datarel_base): New target function.
1737         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1738         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1739         function.
1740
1741 2011-07-01  Ian Lance Taylor  <iant@google.com>
1742
1743         PR gold/12571
1744         * options.h (class General_options): Add
1745         --ld-generated-unwind-info.
1746         * ehframe.cc (Fde::write): Add address parameter.  Change all
1747         callers.  If associated with PLT, fill in address and size.
1748         (Cie::set_output_offset): Only add merge mapping if there is an
1749         object.
1750         (Cie::write): Add address parameter.  Change all callers.
1751         (Eh_frame::add_ehframe_for_plt): New function.
1752         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1753         input_offset_ fields into union u_, with new plt field.
1754         (Fde::Fde): Adjust for new union field.
1755         (Fde::Fde) [Output_data version]: New constructor.
1756         (Fde::add_mapping): Only add merge mapping if there is an object.
1757         (class Cie): Update declarations.
1758         (class Eh_frame): Declare add_ehframe_for_plt.
1759         * layout.cc (Layout::layout_eh_frame): Break out code into
1760         make_eh_frame_section, and call it.
1761         (Layout::make_eh_frame_section): New function.
1762         (Layout::add_eh_frame_for_plt): New function.
1763         * layout.h (class Layout): Update declarations.
1764         * merge.cc (Merge_map::add_mapping): Add assertion.
1765         * i386.cc: Include "dwarf.h".
1766         (class Output_data_plt_i386): Make first_plt_entry,
1767         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1768         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1769         and plt_eh_frame_fde.
1770         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1771         boundary.  Call add_eh_frame_for_plt if appropriate.
1772         * x86_64.cc: Include "dwarf.h".
1773         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1774         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1775         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1776         and plt_eh_frame_fde.
1777         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1778         appropriate.
1779
1780 2011-06-29  Ian Lance Taylor  <iant@google.com>
1781
1782         PR gold/12629
1783         * object.cc (Sized_relobj_file::layout_section): Change shdr
1784         parameter to be const.
1785         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1786         out of do_layout.
1787         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1788         appropriate.  Call layout_eh_frame_section.
1789         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1790         sections.
1791         * object.h (class Sized_relobj_file): Update declarations.
1792
1793 2011-06-29  Ian Lance Taylor  <iant@google.com>
1794
1795         PR gold/12652
1796         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1797         modifier.
1798         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1799
1800 2011-06-29  Ian Lance Taylor  <iant@google.com>
1801
1802         PR gold/12675
1803         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1804         SHT_X86_64_UNWIND.
1805         * layout.cc (Layout::layout_eh_frame): Likewise.
1806
1807 2011-06-29  Ian Lance Taylor  <iant@google.com>
1808
1809         PR gold/12695
1810         * layout.cc (Layout::symtab_section_shndx): New function.
1811         * layout.h (class Layout): Declare symtab_section_shndx.
1812         * output.cc (Output_section::write_header): Call it.
1813
1814 2011-06-29  Ian Lance Taylor  <iant@google.com>
1815
1816         PR gold/12818
1817         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1818         symbols which are not used in a relocation.
1819
1820 2011-06-28  Ian Lance Taylor  <iant@google.com>
1821
1822         PR gold/12898
1823         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1824         script create indistinguishable segments.
1825         (Layout::set_segment_offsets): Use stable_sort when sorting
1826         segments.  Pass this to Compare_segments constructor.
1827         * layout.h (class Layout): Make segment_precedes non-static.
1828         (class Compare_segments): Change from struct to class.  Add
1829         layout_ field.  Add constructor.
1830         * script-sections.cc
1831         (Script_sections::attach_sections_using_phdrs_clause): Rename
1832         local orphan to is_orphan.  Don't report failure to put empty
1833         section in segment.  On attachment failure, report name of
1834         section, and attach to first PT_LOAD segment.
1835
1836 2011-06-28  Ian Lance Taylor  <iant@google.com>
1837
1838         PR gold/12934
1839         * target-select.cc (Target_selector::Target_selector): Add
1840         emulation parameter.  Change all callers.
1841         (select_target_by_bfd_name): Rename from select_target_by_name.
1842         Change all callers.
1843         (select_target_by_emulation): New function.
1844         (supported_emulation_names): New function.
1845         * target-select.h (class Target_selector): Add emulation_ field.
1846         Update declarations.
1847         (Target_selector::recognize_by_bfd_name): Rename from
1848         recognize_by_name.  Change all callers.
1849         (Target_selector::supported_bfd_names): Rename from
1850         supported_names.  Change all callers.
1851         (Target_selector::recognize_by_emulation): New function.
1852         (Target_selector::supported_emulations): New function.
1853         (Target_selector::emulation): New function.
1854         (Target_selector::do_recognize_by_bfd_name): Rename from
1855         do_recognize_by_name.  Change all callers.
1856         (Target_selector::do_supported_bfd_names): Rename from
1857         do_supported_names.  Change all callers.
1858         (Target_selector::do_recognize_by_emulation): New function.
1859         (Target_selector::do_supported_emulations): New function.
1860         (select_target_by_bfd_name): Change name in declaration.
1861         (select_target_by_emulation): Declare.
1862         (supported_emulation_names): Declare.
1863         * parameters.cc (parameters_force_valid_target): Try to find
1864         target based on emulation from -m option.
1865         * options.h (class General_options): Change doc string for -m.
1866         * options.cc (help): Print emulations.
1867         (General_options::parse_V): Likewise.
1868         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1869         Add emulation parameter.  Change all callers.
1870
1871 2011-06-28  Ian Lance Taylor  <iant@google.com>
1872
1873         * target.h (class Target): Add osabi_ field.
1874         (Target::osabi): New function.
1875         (Target::set_osabi): New function.
1876         (Target::Target): Initialize osabi_.
1877         (Target::do_adjust_elf_header): Make pure virtual.
1878         (Sized_target::do_adjust_elf_header): Declare.
1879         * target.cc (Sized_target::do_adjust_elf_header): New function.
1880         (class Sized_target): Instantiate all versions.
1881         * freebsd.h (class Target_freebsd): Remove.
1882         (Target_selector_freebsd::do_recognize): Call set_osabi on
1883         Target.
1884         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1885         (Target_selector_freebsd::set_osabi): Remove.
1886         * i386.cc (class Target_i386): Inherit from Sized_target rather
1887         than Target_freebsd.
1888         * x86_64.cc (class Target_x86_64): Likewise.
1889
1890 2011-06-28  Ian Lance Taylor  <iant@google.com>
1891
1892         * target.h (Target::can_check_for_function_pointers): Rewrite.
1893         Make non-virtual.
1894         (Target::can_icf_inline_merge_sections): Likewise.
1895         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1896         (Target::Target_info): Add can_icf_inline_merge_sections field.
1897         (Target::do_can_check_for_function_pointers): New virtual
1898         function.
1899         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1900         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1901         from can_check_for_function_pointers, move in file.
1902         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1903         section_may_have_icf_unsafe_poineters, move in file.
1904         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1905         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1906         Rename from can_check_for_function_pointers, move in file.
1907         (Target_i386::can_icf_inline_merge_sections): Remove.
1908         (Target_i386::i386_info): Initialize
1909         can_icf_inline_merge_sections.
1910         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1911         Initialize can_icf_inline_merge_sections.
1912         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1913         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1914         Rename from can_check_for_function_pointers, move in file.
1915         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1916         (Target_x86_64::x86_64_info): Initialize
1917         can_icf_inline_merge_sections.
1918         * testsuite/testfile.cc (Target_test::test_target_info):
1919         Likewise.
1920         * icf.cc (get_section_contents): Correct formatting.
1921
1922 2011-06-27  Ian Lance Taylor  <iant@google.com>
1923
1924         * symtab.cc (Symbol::versioned_name): New function.
1925         (Symbol_table::add_to_final_symtab): Use versioned_name when
1926         appropriate.
1927         (Symbol_table::sized_write_symbol): Likewise.
1928         * symtab.h (class Symbol): Declare versioned_name.
1929         * stringpool.h (class Stringpool_template): Add variant of add
1930         which takes a std::basic_string.
1931         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1932         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1933         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1934         (ver_test_12.o): New target.
1935         * testsuite/Makefile.in: Rebuild.
1936
1937 2011-06-27  Doug Kwan  <dougkwan@google.com>
1938
1939         * arm.cc (Arm_relocate_functions::thm_jump8,
1940         Arm_relocate_functions::thm_jump11): Use a wider signed
1941         type to compute offset.
1942         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1943         arm_thm_jump8.
1944         * testsuite/Makefile.in: Regenerate.
1945         * testsuite/arm_branch_in_range.sh: Check test results of
1946         arm_thm_jump11 and arm_thm_jump8.
1947         * testsuite/arm_thm_jump11.s: New test source file.
1948         * testsuite/arm_thm_jump11.t: New linker script.
1949         * testsuite/arm_thm_jump8.s: New test source file.
1950         * testsuite/arm_thm_jump8.t: New linker script.
1951
1952 2011-06-24  Ian Lance Taylor  <iant@google.com>
1953
1954         * layout.cc: Include "object.h".
1955         (ctors_sections_in_init_array): New static variable.
1956         (Layout::is_ctors_in_init_array): New function.
1957         (Layout::layout): Add entry to ctors_sections_in_init_array if
1958         appropriate.
1959         * layout.h (class Layout): Declare is_ctors_in_init_array.
1960         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1961         is_ctors_reverse_view is set.
1962         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1963         all callers.  Set is_ctors_reverse_view field of View_size.
1964         (Sized_relobj_file::reverse_words): New function.
1965         * object.h (Sized_relobj_file::View_size): Add
1966         is_ctors_reverse_view field.
1967         (class Sized_relobj_file): Update declarations.
1968         * testsuite/initpri3.c: New test.
1969         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1970         initpri3b.
1971         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1972         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1973         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1974         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1975         * testsuite/Makefile.in: Rebuild.
1976
1977 2011-06-24  Cary Coutant  <ccoutant@google.com>
1978
1979         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1980         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1981         (debug_msg_cdebug.err): New targets.
1982         * testsuite/Makefile.in: Regenerate.
1983         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1984         Fix checks for link with shared library.
1985
1986 2011-06-24  Doug Kwan  <dougkwan@google.com>
1987
1988         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1989         skip empty text sections.
1990         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1991
1992 2011-06-22  Ian Lance Taylor  <iant@google.com>
1993
1994         PR gold/12910
1995         * options.h (class General_options): Add --ctors-in-init-array.
1996         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1997         friends as SHT_PROGBITS for merging sections.
1998         (Layout::layout): Remove special handling of .init_array and
1999         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2000         and .dtors if ctors_in_init_array.
2001         (Layout::make_output_section): Force correct section types for
2002         .init_array and friends.  Don't sort if doing relocatable link,
2003         Don't sort .ctors and .dtors if ctors_in_init_array.
2004         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2005         (Layout::output_section_name): Add relobj parameter.  Change all
2006         callers.  Handle .ctors. and .dtors. in code rather than table.
2007         Handle .ctors and .dtors if ctors_in_init_array.
2008         (Layout::match_file_name): New function, moved from output.cc.
2009         * layout.h (class Layout): Update declarations.
2010         * output.cc: Include "layout.h".
2011         (Input_section_sort_entry::get_priority): New function.
2012         (Input_section_sort_entry::match_file_name): Just call
2013         Layout::match_file_name.
2014         (Output_section::Input_section_sort_init_fini_compare::operator()):
2015         Handle .ctors and .dtors.  Sort by explicit priority rather than
2016         by name.
2017         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2018         * testsuite/initpri2.c: New test.
2019         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2020         (check_PROGRAMS): Add initpri2.
2021         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2022         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2023         * configure, testsuite/Makefile.in: Rebuild.
2024
2025 2011-06-19  Ian Lance Taylor  <iant@google.com>
2026
2027         PR gold/12880
2028         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2029         .interp section to a PT_INTERP segment even if we have seen a
2030         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2031         clause in a linker script.
2032         (Layout::finalize): Don't create a .interp section if we've
2033         already create a PT_INTERP segment.
2034         (Layout::create_interp): Always call choose_output_section (revert
2035         patch of 2011-06-17).  Don't create PT_INTERP segment.
2036         * script-sections.cc
2037         (Script_sections::create_note_and_tls_segments): Add a .interp
2038         section to a PT_INTERP segment even if we have seen a
2039         --dynamic-linker option.
2040
2041 2011-06-18  Ian Lance Taylor  <iant@google.com>
2042
2043         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2044         merely because a non-PT_LOAD segment has a dynamic reloc.
2045
2046 2011-06-18  Ian Lance Taylor  <iant@google.com>
2047
2048         * layout.cc (Layout::finish_dynamic_section): Don't create
2049         DT_FLAGS entry if not needed.
2050
2051 2011-06-18  Ian Lance Taylor  <iant@google.com>
2052
2053         PR gold/12745
2054         * layout.cc (Layout::layout_eh_frame): Correct handling of
2055         writable .eh_frame section.
2056
2057 2011-06-17  Ian Lance Taylor  <iant@google.com>
2058
2059         PR gold/12893
2060         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2061         symbol is redefined with the exact same object and value.
2062
2063 2011-06-17  Ian Lance Taylor  <iant@google.com>
2064
2065         PR gold/12880
2066         * layout.h (class Layout): Add interp_segment_ field.
2067         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2068         (Layout::attach_allocated_section_to_segment): If making shared
2069         library, put .interp section in PT_INTERP segment.
2070         (Layout::finalize): Also call create_interp if -dynamic-linker
2071         option was used.
2072         (Layout::create_interp): Assert that there is no PT_INTERP
2073         segment.  If not using a SECTIONS clause, use make_output_section.
2074         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2075         * script-sections.cc
2076         (Script_sections::create_note_and_tls_segments): If making shared
2077         library, put .interp section in PT_INTERP segment.
2078
2079 2011-06-17  Ian Lance Taylor  <iant@google.com>
2080
2081         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2082         when making a shared library.
2083
2084 2011-06-17  Ian Lance Taylor  <iant@google.com>
2085
2086         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2087         parameter.  Change all callers.  Don't issue warning about PC32
2088         against locally defined symbol.
2089
2090 2011-06-16  Ian Lance Taylor  <iant@google.com>
2091
2092         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2093         occurs in same object.
2094
2095 2011-06-14  Alan Modra  <amodra@gmail.com>
2096
2097         * po/POTFILES.in: Regenerate.
2098
2099 2011-06-09  Ian Lance Taylor  <iant@google.com>
2100
2101         * script-sections.cc
2102         (Orphan_output_section::set_section_addresses): For a relocatable
2103         link set address to 0.
2104
2105 2011-06-09  Cary Coutant  <ccoutant@google.com>
2106
2107         PR gold/12804
2108         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2109         used with --compress-debug-sections.
2110         * gold/object.cc (Sized_relobj_file::do_layout): Report
2111         uncompressed size of compressed input sections.
2112
2113 2011-06-08  Cary Coutant  <ccoutant@google.com>
2114
2115         PR gold/12804
2116         * testsuite/two_file_test_2_v1.cc: Change initialization of
2117         v2 to keep it in .data.
2118
2119 2011-06-07  Cary Coutant  <ccoutant@google.com>
2120
2121         * common.cc (Symbol_table::do_allocate_commons_list): Call
2122         gold_fallback.
2123         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2124         (Errors::fallback): New function.
2125         (gold_fallback): New function.
2126         * errors.h (Errors::fallback): New function.
2127         * gold.cc (gold_exit): Change status parameter to enum; adjust
2128         all callers.
2129         (queue_initial_tasks): Call gold_fallback.
2130         * gold.h: Include cstdlib.
2131         (Exit_status): New enum type.
2132         (gold_exit): Change status parameter to enum.
2133         (gold_fallback): New function.
2134         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2135         (Layout::create_symtab_sections): Likewise.
2136         (Layout::create_shdrs): Likewise.
2137         * main.cc (main): Adjust call to gold_exit.
2138         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2139         (Output_data_got::add_got_entry_pair): Likewise.
2140         (Output_section::add_input_section): Likewise.
2141         (Output_section::add_output_section_data): Likewise.
2142         (Output_segment::set_section_list_addresses): Likewise.
2143         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2144
2145 2011-06-07  Cary Coutant  <ccoutant@google.com>
2146
2147         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2148         for incremental links.
2149         * output.cc (Output_segment::set_section_list_addresses): Remove
2150         FIXME and test for TLS or BSS.
2151
2152 2011-06-07  Cary Coutant  <ccoutant@google.com>
2153
2154         * testsuite/Makefile.am: Add incremental_copy_test,
2155         incremental_common_test_1.
2156         * testsuite/Makefile.in: Regenerate.
2157         * testsuite/common_test_1_v1.c: New source file.
2158         * testsuite/common_test_1_v2.c: New source file.
2159         * testsuite/copy_test_v1.cc: New source file.
2160
2161 2011-06-07  Cary Coutant  <ccoutant@google.com>
2162
2163         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2164         update, allocate common from bss section's free list.
2165         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2166         linker-defined symbols.
2167         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2168         Skip GOT and PLT entries that are no longer referenced.
2169         (Output_section_incremental_inputs::write_info_blocks): Mark
2170         linker-defined symbols.
2171         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2172         * output.cc (Output_section::allocate): New function.
2173         * output.h (Output_section::allocate): New function.
2174         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2175         linker-defined symbols.
2176         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2177         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2178         (Symbol::init_base_output_data): Likewise.
2179         (Symbol::init_base_output_segment): Likewise.
2180         (Symbol::init_base_constant): Likewise.
2181         (Sized_symbol::init_output_data): Likewise.
2182         (Sized_symbol::init_output_segment): Likewise.
2183         (Sized_symbol::init_constant): Likewise.
2184         (Symbol_table::do_define_in_output_data): Likewise.
2185         (Symbol_table::do_define_in_output_segment): Likewise.
2186         (Symbol_table::do_define_as_constant): Likewise.
2187         * symtab.h (Symbol::is_predefined): New function.
2188         (Symbol::init_base_output_data): Add is_predefined parameter.
2189         (Symbol::init_base_output_segment): Likewise.
2190         (Symbol::init_base_constant): Likewise.
2191         (Symbol::is_predefined_): New data member.
2192         (Sized_symbol::init_output_data): Add is_predefined parameter.
2193         (Sized_symbol::init_output_segment): Likewise.
2194         (Sized_symbol::init_constant): Likewise.
2195         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2196
2197 2011-06-07  Cary Coutant  <ccoutant@google.com>
2198
2199         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2200         instead of emit_copy_reloc.
2201         (Copy_relocs::emit_copy_reloc): Refactor.
2202         (Copy_relocs::make_copy_reloc): New function.
2203         (Copy_relocs::add_copy_reloc): Remove.
2204         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2205         section.
2206         (Copy_relocs::make_copy_reloc): New function.
2207         (Copy_relocs::add_copy_reloc): Remove.
2208         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2209         unchanged input files.
2210         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2211         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2212         Reserve BSS space for COPY relocations.
2213         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2214         (Output_section_incremental_inputs::write_info_blocks): Record
2215         whether a symbol is copied from a shared object.
2216         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2217         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2218         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2219         (Incremental_input_entry_reader::get_output_symbol_index): Add
2220         is_copy parameter.
2221         (Incremental_binary::emit_copy_relocs): New function.
2222         (Incremental_binary::do_emit_copy_relocs): New function.
2223         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2224         new data member.
2225         (Sized_incremental_binary::add_copy_reloc): New function.
2226         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2227         (Sized_incremental_binary::Copy_reloc): New struct.
2228         (Sized_incremental_binary::Copy_relocs): New typedef.
2229         (Sized_incremental_binary::copy_relocs_): New data member.
2230         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2231         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2232         * target.h (Sized_target::emit_copy_reloc): New function.
2233         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
2234
2235 2011-06-02  Cary Coutant  <ccoutant@google.com>
2236
2237         PR gold/12163
2238         * gold/archive.cc (Archive::Archive): Initialize new data member.
2239         (Archive::include_all_members): Return if archive has already been
2240         included.
2241         * gold/archive.h (Archive::include_all_members_): New data member.
2242
2243 2011-06-02  Nick Clifton  <nickc@redhat.com>
2244
2245         * dynobj.h: Fix spelling mistake in comment.
2246         * output.cc: Likewise.
2247
2248 2011-05-31  Doug Kwan  <dougkwan@google.com>
2249             Asier Llano
2250
2251         PR gold/12826
2252         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2253         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2254         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2255         redundant arm_exidx_test.so.
2256         * testsuite/Makefile.in: Regenerate.
2257         (check_SCRIPTS): Add pr12826.sh
2258         (check_DATA): Add pr12826.stdout
2259         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2260         * testsuite/pr12826.sh: New file.
2261         * testsuite/pr12826_1.s: Ditto.
2262         * testsuite/pr12826_1.s: Ditto.
2263
2264 2011-05-30  Ian Lance Taylor  <iant@google.com>
2265
2266         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2267         sections.
2268
2269 2011-05-29  Ian Lance Taylor  <iant@google.com>
2270
2271         PR gold/12804
2272         * testsuite/Makefile.am: Use different file name for two_file_test
2273         temporary file for each incremental test.
2274         * testsuite/Makefile.in: Rebuild.
2275
2276 2011-05-29  Ian Lance Taylor  <iant@google.com>
2277
2278         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2279         binary input file is empty.
2280
2281 2011-05-27  Ian Lance Taylor  <iant@google.com>
2282
2283         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2284         (ver_test_9.so): Likewise.
2285         * testsuite/Makefile.in: Rebuild.
2286
2287 2011-05-26 Cary Coutant  <ccoutant@google.com>
2288
2289         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2290         * incremental.cc (Incremental_inputs::report_input_section): Fix
2291         comment, indentation.
2292         (Incremental_inputs::report_comdat_group): New function.
2293         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2294         of data for incremental input file entry.
2295         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
2296         group count, COMDAT group signatures.
2297         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
2298         an unchanged input file.
2299         * incremental.h (Incremental_object_entry::Incremental_object_entry):
2300         Initialize new data member.
2301         (Incremental_object_entry::add_comdat_group): New function.
2302         (Incremental_object_entry::get_comdat_group_count): New function.
2303         (Incremental_object_entry::get_comdat_signature_key): New function.
2304         (Incremental_object_entry::groups_): New data member.
2305         (Incremental_inputs::report_comdat_group): New function.
2306         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
2307         data for incremental input file entry.
2308         (Incremental_input_entry_reader::get_comdat_group_count): New function.
2309         (Incremental_input_entry_reader::get_input_section): Adjust size of
2310         data for incremental input file entry.
2311         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
2312         (Incremental_input_entry_reader::get_comdat_group_signature): New
2313         function.
2314         * object.cc (Sized_relobj::include_section_group): Report kept
2315         COMDAT groups for incremental links.
2316
2317 2011-05-24  David Meyer  <pdox@google.com>
2318
2319         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2320         with name parameter.  Add found_name parameter.
2321         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2322         * dirsearch.h (class Dirsearch): Update declaration.
2323
2324 2011-05-24  Ian Lance Taylor  <iant@google.com>
2325
2326         * archive.cc (Library_base::should_include_member): Pull in object
2327         from archive if it defines the entry symbol.
2328         * parameters.cc (Parameters::entry): New function.
2329         * parameters.h (class Parameters): Declare entry.
2330         * output.h (class Output_file_header): Remove entry_ field.
2331         * output.cc (Output_file_header::Output_file_header): Remove entry
2332         parameter.  Change all callers.
2333         (Output_file_header::entry): Use parameters->entry.
2334         * gold.cc (queue_middle_tasks): Likewise.
2335         * plugin.cc (Plugin_hook::run): Likewise.
2336
2337 2011-05-24 Cary Coutant  <ccoutant@google.com>
2338
2339         * gold.cc (queue_initial_tasks): Pass incremental base filename
2340         to Output_file::open_base_file; don't print error message.
2341         * incremental-dump.cc (main): Adjust call to
2342         Output_file::open_for_modification.
2343         * incremental-dump.cc (main): Likewise.
2344         * incremental.cc (Incremental_inputs::report_command_line):
2345         Ignore --incremental-base option when comparing command lines.
2346         Ignore parameter when given as separate argument.
2347         * options.h (class General_options): Add --incremental-base.
2348         * output.cc (Output_file::Output_file):
2349         (Output_file::open_base_file): Add base_name and writable parameters;
2350         read base file into new file; print error message here.
2351         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2352         callers.
2353         * output.h (Output_file::open_for_modification): Rename to...
2354         (Output_file::open_base_file): ...this; add base_name and
2355         writable parameters; adjust all callers.
2356         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2357         callers.
2358         * testsuite/Makefile.am (incremental_test_4): Test
2359         --incremental-base.
2360         * testsuite/Makefile.in: Regenerate.
2361
2362 2011-05-24 Cary Coutant  <ccoutant@google.com>
2363
2364         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2365         incremental_test_4.
2366         * testsuite/Makefile.in: Regenerate.
2367         * testsuite/two_file_test_1_v1.cc: New test source file.
2368         * testsuite/two_file_test_1b_v1.cc: New test source file.
2369         * testsuite/two_file_test_2_v1.cc: New test source file.
2370
2371 2011-05-24 Cary Coutant  <ccoutant@google.com>
2372
2373         * dynobj.h (Dynobj::do_dynobj): New function.
2374         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2375         flag and soname for shared objects.
2376         * incremental.cc (Incremental_inputs::report_object): Make
2377         either Incremental_object_entry or Incremental_dynobj_entry; add
2378         soname to string table.
2379         (Incremental_inputs::report_input_section): Add assertion.
2380         (Output_section_incremental_inputs::set_final_data_size): Adjust
2381         type of input file entry for shared libraries; adjust size of
2382         shared library info entry.
2383         (Output_section_incremental_inputs::write_input_files): Write
2384         as_needed flag for shared libraries.
2385         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2386         of input file entry for shared libraries; write soname.
2387         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2388         soname from incremental info.
2389         * incremental.h (enum Incremental_input_flags): Add
2390         INCREMENTAL_INPUT_AS_NEEDED.
2391         (Incremental_input_entry::Incremental_input_entry): Initialize new
2392         data member.
2393         (Incremental_input_entry::set_as_needed): New function.
2394         (Incremental_input_entry::as_needed): New function.
2395         (Incremental_input_entry::do_dynobj_entry): New function.
2396         (Incremental_input_entry::as_needed_): New data member.
2397         (Incremental_object_entry::Incremental_object_entry): Don't check
2398         for shared library.
2399         (Incremental_object_entry::do_type): Likewise.
2400         (class Incremental_dynobj_entry): New class.
2401         (Incremental_input_entry_reader::as_needed): New function.
2402         (Incremental_input_entry_reader::get_soname): New function.
2403         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2404         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2405         size of shared library info entry.
2406         * layout.cc (Layout::finish_dynamic_section): Don't test for
2407         incremental link when adding DT_NEEDED entries.
2408         * object.h (Object::Object): Initialize new data member.
2409         (Object::dynobj): New function.
2410         (Object::set_as_needed): New function.
2411         (Object::as_needed): New function.
2412         (Object::do_dynobj): New function.
2413         (Object::as_needed_): New data member.
2414
2415 2011-05-24 Cary Coutant  <ccoutant@google.com>
2416
2417         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2418         info; adjust display of GOT entries.
2419         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2420         vector of input objects; remove file_status_.
2421         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2422         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2423         got_plt reader; call target hooks to reserve GOT entries.
2424         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2425         of input file info header and GOT info entry.
2426         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2427         relocation info.
2428         (Got_plt_view_info::got_descriptor): Remove.
2429         (Got_plt_view_info::sym_index): New data member.
2430         (Got_plt_view_info::input_index): New data member.
2431         (Local_got_offset_visitor::visit): Write input file index.
2432         (Global_got_offset_visitor::visit): Write 0 for input file index.
2433         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2434         with sym_index and input_index.
2435         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2436         incremental info GOT entry; replace got_descriptor with input_index.
2437         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2438         map from input file index to object.
2439         (Sized_relobj_incr::do_layout): Replace direct data member reference
2440         with accessor function.
2441         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2442         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2443         Adjust size of input file info header.
2444         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2445         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2446         (Incremental_input_entry_reader::get_input_section): Adjust size of
2447         input file info header.
2448         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2449         of incremental info GOT entry.
2450         (Incremental_got_plt_reader::get_got_desc): Remove.
2451         (Incremental_got_plt_reader::get_got_symndx): New function.
2452         (Incremental_got_plt_reader::get_got_input_index): New function.
2453         (Sized_incremental_binary::Sized_incremental_binary): Remove
2454         file_status_; add input_objects_.
2455         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2456         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2457         (Sized_incremental_binary::file_is_unchanged): Remove.
2458         (Sized_incremental_binary::set_input_object): New function.
2459         (Sized_incremental_binary::input_object): New function.
2460         (Sized_incremental_binary::file_status_): Remove.
2461         (Sized_incremental_binary::input_objects_): New data member.
2462         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2463         references.
2464         (Sized_relobj_incr::invalid_address): Move to base class.
2465         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2466         class.
2467         (Sized_relobj_incr::do_output_section_offset): Likewise.
2468         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2469         (Sized_relobj_incr::section_offsets_): Likewise.
2470         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2471         function.
2472         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2473         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2474         with accessor function.
2475         (Sized_relobj_file::do_layout): Likewise.
2476         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2477         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2478         (Sized_relobj_file::compute_final_local_value): Replace refs to
2479         section_offsets_ with accessor function.
2480         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2481         * object.h (Relobj::Relobj): Initialize new data members.
2482         (Relobj::add_dyn_reloc): New function.
2483         (Relobj::first_dyn_reloc): New function.
2484         (Relobj::dyn_reloc_count): New function.
2485         (Relobj::first_dyn_reloc_): New data member.
2486         (Relobj::dyn_reloc_count_): New data member.
2487         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2488         references.
2489         (Sized_relobj::Address): New typedef.
2490         (Sized_relobj::invalid_address): Move here from child class.
2491         (Sized_relobj::Sized_relobj): Initialize new data members.
2492         (Sized_relobj::sized_relobj): New function.
2493         (Sized_relobj::is_output_section_offset_invalid): Move here from
2494         child class.
2495         (Sized_relobj::get_output_section_offset): Likewise.
2496         (Sized_relobj::local_has_got_offset): Likewise.
2497         (Sized_relobj::local_got_offset): Likewise.
2498         (Sized_relobj::set_local_got_offset): Likewise.
2499         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2500         (Sized_relobj::clear_got_offsets): New function.
2501         (Sized_relobj::section_offsets): Move here from child class.
2502         (Sized_relobj::do_output_section_offset): Likewise.
2503         (Sized_relobj::do_set_section_offset): Likewise.
2504         (Sized_relobj::Local_got_offsets): Likewise.
2505         (Sized_relobj::local_got_offsets_): Likewise.
2506         (Sized_relobj::section_offsets_): Likewise.
2507         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2508         references.
2509         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2510         class.
2511         (Sized_relobj_file::sized_relobj): New function
2512         (Sized_relobj_file::local_has_got_offset): Move to base class.
2513         (Sized_relobj_file::local_got_offset): Likewise.
2514         (Sized_relobj_file::set_local_got_offset): Likewise.
2515         (Sized_relobj_file::get_output_section_offset): Likewise.
2516         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2517         (Sized_relobj_file::do_output_section_offset): Likewise.
2518         (Sized_relobj_file::do_set_section_offset): Likewise.
2519         (Sized_relobj_file::Local_got_offsets): Likewise.
2520         (Sized_relobj_file::local_got_offsets_): Likewise.
2521         (Sized_relobj_file::section_offsets_): Likewise.
2522         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2523         (all constructors).
2524         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2525         (Output_reloc::get_symbol_index): Likewise.
2526         (Output_reloc::local_section_offset): Likewise.
2527         (Output_reloc::get_address): Likewise.
2528         (Output_reloc::symbol_value): Likewise.
2529         (Output_data_got::reserve_slot): Move to class definition.
2530         (Output_data_got::reserve_local): New function.
2531         (Output_data_got::reserve_slot_for_global): Remove.
2532         (Output_data_got::reserve_global): New function.
2533         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2534         (all constructors, two instantiations).
2535         (Output_reloc::get_relobj): New function (two instantiations).
2536         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2537         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2538         (Output_data_reloc::add_global): Adjust type of relobj.
2539         (Output_data_reloc::add_global_relative): Likewise.
2540         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2541         (Output_data_reloc::add_local): Likewise.
2542         (Output_data_reloc::add_local_relative): Likewise.
2543         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2544         (Output_data_reloc::add_local_section): Likewise.
2545         (Output_data_reloc::add_output_section): Likewise.
2546         (Output_data_reloc::add_absolute): Likewise.
2547         (Output_data_reloc::add_target_specific): Likewise.
2548         (Output_data_got::reserve_slot): Move definition here.
2549         (Output_data_got::reserve_local): New function.
2550         (Output_data_got::reserve_global): New function.
2551         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2552         section_offsets_ with accessor function.
2553         (Sized_relobj_file::write_sections): Likewise.
2554         (Sized_relobj_file::do_relocate_sections): Likewise.
2555         * target.h (Sized_target::reserve_local_got_entry): New function.
2556         (Sized_target::reserve_global_got_entry): New function.
2557         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2558         (Target_x86_64::reserve_global_got_entry): New function.
2559         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2560
2561 2011-05-23 Cary Coutant  <ccoutant@google.com>
2562
2563         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2564         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2565         bit when checking got_type.
2566         * incremental.cc (Sized_incremental_binary::setup_readers):
2567         Store symbol table and string table locations; initialize bit vector
2568         of file status flags.
2569         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2570         unchanged files.
2571         (Sized_incremental_binary::do_process_got_plt): New function.
2572         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2573         (Output_section_incremental_inputs::set_final_data_size): Record
2574         file index for each input file.
2575         (Output_section_incremental_inputs::write_got_plt): Store file index
2576         instead of input entry offset for each GOT entry.
2577         * incremental.h
2578         (Incremental_input_entry::Incremental_input_entry): Initialize new
2579         data member.
2580         (Incremental_input_entry::set_offset): Store file index.
2581         (Incremental_input_entry::get_file_index): New function.
2582         (Incremental_input_entry::file_index_): New data member.
2583         (Incremental_binary::process_got_plt): New function.
2584         (Incremental_binary::do_process_got_plt): New function.
2585         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2586         data members.
2587         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2588         (Sized_incremental_binary::set_file_is_unchanged): New function.
2589         (Sized_incremental_binary::file_is_unchanged): New function.
2590         (Sized_incremental_binary::do_process_got_plt): New function.
2591         (Sized_incremental_binary::file_status_): New data member.
2592         (Sized_incremental_binary::main_symtab_loc_): New data member.
2593         (Sized_incremental_binary::main_strtab_loc_): New data member.
2594         * output.cc (Output_data_got::Got_entry::write): Add case
2595         RESERVED_CODE.
2596         (Output_data_got::add_global): Call add_got_entry.
2597         (Output_data_got::add_global_plt): Likewise.
2598         (Output_data_got::add_global_with_rel): Likewise.
2599         (Output_data_got::add_global_with_rela): Likewise.
2600         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2601         (Output_data_got::add_global_pair_with_rela): Likewise.
2602         (Output_data_got::add_local): Call add_got_entry.
2603         (Output_data_got::add_local_plt): Likewise.
2604         (Output_data_got::add_local_with_rel): Likewise.
2605         (Output_data_got::add_local_with_rela): Likewise.
2606         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2607         (Output_data_got::add_local_pair_with_rela): Likewise.
2608         (Output_data_got::reserve_slot): New function.
2609         (Output_data_got::reserve_slot_for_global): New function.
2610         (Output_data_got::add_got_entry): New function.
2611         (Output_data_got::add_got_entry_pair): New function.
2612         (Output_section::add_output_section_data): Edit FIXME.
2613         * output.h
2614         (Output_section_data_build::Output_section_data_build): New
2615         constructor with size parameter.
2616         (Output_data_space::Output_data_space): Likewise.
2617         (Output_data_got::Output_data_got): Initialize new data member; new
2618         constructor with size parameter.
2619         (Output_data_got::add_constant): Call add_got_entry.
2620         (Output_data_got::reserve_slot): New function.
2621         (Output_data_got::reserve_slot_for_global): New function.
2622         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2623         (Output_data_got::add_got_entry): New function.
2624         (Output_data_got::add_got_entry_pair): New function.
2625         (Output_data_got::free_list_): New data member.
2626         * target.h (Sized_target::init_got_plt_for_update): New function.
2627         (Sized_target::register_global_plt_entry): New function.
2628         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2629         Initialize new data member; call init; add constructor with PLT count.
2630         (Output_data_plt_x86_64::init): New function.
2631         (Output_data_plt_x86_64::add_relocation): New function.
2632         (Output_data_plt_x86_64::reserve_slot): New function.
2633         (Output_data_plt_x86_64::free_list_): New data member.
2634         (Target_x86_64::init_got_plt_for_update): New function.
2635         (Target_x86_64::register_global_plt_entry): New function.
2636         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2637         incremental updates.
2638         (Output_data_plt_x86_64::add_relocation): New function.
2639         * testsuite/object_unittest.cc (Object_test): Set default options.
2640
2641 2011-05-16  Ian Lance Taylor  <iant@google.com>
2642
2643         * options.h (class General_options): Make -i a synonym for -r.
2644
2645 2011-05-16  Ian Lance Taylor  <iant@google.com>
2646
2647         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2648
2649 2011-05-10 Cary Coutant  <ccoutant@google.com>
2650
2651         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2652         strip_all (-s).
2653
2654 2011-05-06  Ian Lance Taylor  <iant@google.com>
2655
2656         * layout.cc (Layout::layout): If the output section flags change,
2657         update the ordering.
2658
2659 2011-04-25 Cary Coutant  <ccoutant@google.com>
2660
2661         * incremental-dump.cc (dump_incremental_inputs): Print local
2662         symbol info for each input file.
2663         * incremental.cc
2664         (Output_section_incremental_inputs::set_final_data_size): Add local
2665         symbol info to input file entries in incremental info.
2666         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2667         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2668         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2669         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2670         implementation.
2671         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2672         (Sized_incr_relobj::do_relocate): Write the local symbols.
2673         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2674         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2675         Adjust size of input file header.
2676         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2677         (Incremental_inputs_reader::get_local_symbol_count): New function.
2678         (Incremental_inputs_reader::get_input_section): Adjust size of input
2679         file header.
2680         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2681         (Sized_incr_relobj::This): New typedef.
2682         (Sized_incr_relobj::sym_size): New const data member.
2683         (Sized_incr_relobj::Local_symbol): New struct.
2684         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2685         (Sized_incr_relobj::do_local_symbol_offset): New function.
2686         (Sized_incr_relobj::local_symbol_count_): New data member.
2687         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2688         (Sized_incr_relobj::local_symbol_index_): New data member.
2689         (Sized_incr_relobj::local_symbol_offset_): New data member.
2690         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2691         (Sized_incr_relobj::local_symbols_): New data member.
2692         * object.h (Relobj::output_local_symbol_count): New function.
2693         (Relobj::local_symbol_offset): New function.
2694         (Relobj::do_output_local_symbol_count): New function.
2695         (Relobj::do_local_symbol_offset): New function.
2696         (Sized_relobj::do_output_local_symbol_count): New function.
2697         (Sized_relobj::do_local_symbol_offset): New function.
2698
2699 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2700
2701         * descriptors.cc (set_close_on_exec): New function.
2702         (Descriptors::open): Use set_close_on_exec.
2703         * output.cc (S_ISLNK): Define if not defined.
2704
2705 2011-04-22 Cary Coutant  <ccoutant@google.com>
2706
2707         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2708         global symbol map.
2709         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2710         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2711         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2712         relocations.
2713         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2714         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2715         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2716         * incremental.h
2717         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2718         function.
2719         (Incremental_binary::apply_incremental_relocs): New function.
2720         (Incremental_binary::do_apply_incremental_relocs): New function.
2721         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2722         data member.
2723         (Sized_incremental_binary::add_global_symbol): New function.
2724         (Sized_incremental_binary::global_symbol): New function.
2725         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2726         (Sized_incremental_binary::symbol_map_): New data member.
2727         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2728         * target.h (Sized_target::apply_relocation): New function.
2729         * target-reloc.h (apply_relocation): New function.
2730         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2731
2732 2011-04-22  Doug Kwan  <dougkwan@google.com>
2733
2734         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2735         flag of a SHT_ARM_EXIDX section.
2736         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2737         * testsuite/Makefile.in: Regenerate.
2738         * testsuite/arm_exidx_test.s: New file.
2739         * testsuite/arm_exidx_test.sh: Same.
2740
2741 2011-04-20 Cary Coutant  <ccoutant@google.com>
2742
2743         PR gold/12689
2744         * archive.h (Incremental_archive_entry::Archive_member):
2745         Initialize arg_serial_ (second constructor).
2746
2747 2011-04-17  Ian Lance Taylor  <iant@google.com>
2748
2749         * object.cc (Relocate_info::location): Simplify location string.
2750         * errors.cc (Errors::error_at_location): Don't print program
2751         name.
2752         (Errors::warning_at_location): Likewise.
2753         (Errors::undefined_symbol): Likewise.
2754         * testsuite/debug_msg.sh: Update accordingly.
2755
2756 2011-04-14 Cary Coutant  <ccoutant@google.com>
2757
2758         * gold/layout.cc (Layout::symtab_section_offset): New function.
2759         * gold/layout.h (Layout::symtab_section_offset): New function.
2760         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2761
2762 2011-04-12  Ian Lance Taylor  <iant@google.com>
2763
2764         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2765         with MREMAP_MAYMOVE.
2766         * output.h (class Output_file): Add map_is_allocated_ field.
2767         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2768         not available, provide stubs.  If mremap is not available, #define
2769         it to gold_mremap.
2770         (MREMAP_MAYMOVE): Define if not defined.
2771         (Output_file::Output_file): Initialize map_is_allocated_.
2772         (Output_file::resize): Check map_is_allocated_.
2773         (Output_file::map_anonymous): If mmap fails, use malloc.
2774         (Output_file::unmap): Don't do anything for an anonymous map.
2775         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2776         is not available, provide stubs.
2777         (File_read::View::~View): Use free rather than delete[].
2778         (File_read::make_view): Use malloc rather than new[].  If mmap
2779         fails, use malloc.
2780         (File_read::find_or_make_view): Use malloc rather than new[].
2781         * gold.h: Remove HAVE_REMAP code.
2782         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2783         exists.  Rename mremap to gold_mremap.  If mmap is not available
2784         don't do anything.
2785         * configure, config.in: Rebuild.
2786
2787 2011-04-11  Ian Lance Taylor  <iant@google.com>
2788
2789         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2790         initialize local variable v.
2791
2792 2011-04-11  Cary Coutant  <ccoutant@google.com>
2793
2794         * archive.cc (Archive::include_member): Adjust call to
2795         report_object.
2796         (Add_archive_symbols::run): Track argument serial numbers.
2797         (Lib_group::include_member): Likewise.
2798         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2799         * archive.h (Incremental_archive_entry::Archive_member):
2800         Initialize arg_serial_.
2801         (Archive_member::arg_serial_): New data member.
2802         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2803         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2804         incremental link.
2805         (Sized_dynobj::do_for_all_local_got_entries): New function.
2806         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2807         function.
2808         * fileread.cc (get_mtime): New function.
2809         * fileread.h (get_mtime): New function.
2810         * gold.cc (queue_initial_tasks): Check for incremental update.
2811         (process_incremental_input): New function.
2812         (queue_middle_tasks): Don't force valid target for incremental
2813         update.
2814         * incremental-dump.cc (find_input_containing_global): Adjust
2815         size of symbol info entry.
2816         (dump_incremental_inputs): Dump argument serial number and
2817         in_system_directory flag; bias shndx by 1; print symbol names
2818         when dumping per-file symbol lists; use new symbol info readers.
2819         * incremental.cc
2820         (Output_section_incremental_inputs:update_data_size): New function.
2821         (Sized_incremental_binary::setup_readers): Setup input readers
2822         for each input file; build maps for files added from libraries
2823         and scripts.
2824         (Sized_incremental_binary::check_input_args): New function.
2825         (Sized_incremental_binary::do_check_inputs): Build map of argument
2826         serial numbers to input arguments.
2827         (Sized_incremental_binary::do_file_has_changed): Rename
2828         do_file_is_unchanged to this; compare file modification times.
2829         (Sized_incremental_binary::do_init_layout): New function.
2830         (Sized_incremental_binary::do_reserve_layout): New function.
2831         (Sized_incremental_binary::do_get_input_reader): Remove.
2832         (Sized_incremental_binary::get_symtab_view): New function.
2833         (Incremental_checker::can_incrementally_link_output_file): Remove.
2834         (Incremental_inputs::report_command_line): Exclude --debug options.
2835         (Incremental_inputs::report_archive_begin): Add parameter; track
2836         argument serial numbers; don't put input file entry for archive
2837         before archive members.
2838         (Incremental_inputs::report_archive_end): Put input file entry
2839         for archive after archive members.
2840         (Incremental_inputs::report_object): Add parameter; track argument
2841         serial numbers and in_system_directory flag.
2842         (Incremental_inputs::report_script): Add parameter; track argument
2843         serial numbers.
2844         (Output_section_incremental_inputs::set_final_data_size): Adjust
2845         size of symbol info entry; check for forwarding symbols.
2846         (Output_section_incremental_inputs::write_input_files): Write
2847         in_system_directory flag and argument serial number.
2848         (Output_section_incremental_inputs::write_info_blocks): Map section
2849         indices between incremental info and original input file; store
2850         input section index for each symbol.
2851         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2852         change operator() to visit().
2853         (class Global_got_offset_visitor): Likewise.
2854         (class Global_symbol_visitor_got_plt):
2855         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2856         classes.
2857         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2858         (Sized_incr_relobj::do_read_symbols): New function.
2859         (Sized_incr_relobj::do_layout): New function.
2860         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2861         (Sized_incr_relobj::do_add_symbols): New function.
2862         (Sized_incr_relobj::do_should_include_member): New function.
2863         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2864         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2865         (Sized_incr_relobj::do_section_size): New function.
2866         (Sized_incr_relobj::do_section_name): New function.
2867         (Sized_incr_relobj::do_section_contents): New function.
2868         (Sized_incr_relobj::do_section_flags): New function.
2869         (Sized_incr_relobj::do_section_entsize): New function.
2870         (Sized_incr_relobj::do_section_address): New function.
2871         (Sized_incr_relobj::do_section_type): New function.
2872         (Sized_incr_relobj::do_section_link): New function.
2873         (Sized_incr_relobj::do_section_info): New function.
2874         (Sized_incr_relobj::do_section_addralign): New function.
2875         (Sized_incr_relobj::do_initialize_xindex): New function.
2876         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2877         (Sized_incr_relobj::do_read_relocs): New function.
2878         (Sized_incr_relobj::do_gc_process_relocs): New function.
2879         (Sized_incr_relobj::do_scan_relocs): New function.
2880         (Sized_incr_relobj::do_count_local_symbols): New function.
2881         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2882         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2883         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2884         (Sized_incr_relobj::do_relocate): New function.
2885         (Sized_incr_relobj::do_set_section_offset): New function.
2886         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2887         (Sized_incr_dynobj::do_read_symbols): New function.
2888         (Sized_incr_dynobj::do_layout): New function.
2889         (Sized_incr_dynobj::do_add_symbols): New function.
2890         (Sized_incr_dynobj::do_should_include_member): New function.
2891         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2892         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2893         (Sized_incr_dynobj::do_section_size): New function.
2894         (Sized_incr_dynobj::do_section_name): New function.
2895         (Sized_incr_dynobj::do_section_contents): New function.
2896         (Sized_incr_dynobj::do_section_flags): New function.
2897         (Sized_incr_dynobj::do_section_entsize): New function.
2898         (Sized_incr_dynobj::do_section_address): New function.
2899         (Sized_incr_dynobj::do_section_type): New function.
2900         (Sized_incr_dynobj::do_section_link): New function.
2901         (Sized_incr_dynobj::do_section_info): New function.
2902         (Sized_incr_dynobj::do_section_addralign): New function.
2903         (Sized_incr_dynobj::do_initialize_xindex): New function.
2904         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2905         (make_sized_incremental_object): New function.
2906         (Incremental_library::copy_unused_symbols): New function.
2907         (Incremental_library::do_for_all_unused_symbols): New function.
2908         * incremental.h (enum Incremental_input_flags): New type.
2909         (class Incremental_checker): Remove.
2910         (Incremental_input_entry::Incremental_input_entry): Add argument
2911         serial number.
2912         (Incremental_input_entry::arg_serial): New function.
2913         (Incremental_input_entry::set_is_in_system_directory): New function.
2914         (Incremental_input_entry::is_in_system_directory): New function.
2915         (Incremental_input_entry::arg_serial_): New data member.
2916         (Incremental_input_entry::is_in_system_directory_): New data member.
2917         (class Script_info): Move here from script.h.
2918         (Script_info::Script_info): Add filename parameter.
2919         (Script_info::filename): New function.
2920         (Script_info::filename_): New data member.
2921         (Incremental_script_entry::Incremental_script_entry): Add argument
2922         serial number.
2923         (Incremental_object_entry::Incremental_object_entry): Likewise.
2924         (Incremental_object_entry::add_input_section): Build list of input
2925         sections with map to original shndx.
2926         (Incremental_object_entry::get_input_section_index): New function.
2927         (Incremental_object_entry::shndx_): New data member.
2928         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2929         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2930         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2931         serial number.
2932         (Incremental_inputs::report_archive_begin): Likewise.
2933         (Incremental_inputs::report_object): Likewise.
2934         (Incremental_inputs::report_script): Likewise.
2935         (class Incremental_global_symbol_reader): New class.
2936         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2937         and store flags and input file type.
2938         (Incremental_input_entry_reader::arg_serial): New function.
2939         (Incremental_input_entry_reader::type): Extract type from flags.
2940         (Incremental_input_entry_reader::is_in_system_directory): New function.
2941         (Incremental_input_entry_reader::get_input_section_count): Call
2942         accessor function for type.
2943         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2944         function for type; adjust size of global symbol entry.
2945         (Incremental_input_entry_reader::get_global_symbol_count): Call
2946         accessor function for type.
2947         (Incremental_input_entry_reader::get_object_count): Likewise.
2948         (Incremental_input_entry_reader::get_object_offset): Likewise.
2949         (Incremental_input_entry_reader::get_member_count): Likewise.
2950         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2951         (Incremental_input_entry_reader::get_member_offset): Likewise.
2952         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2953         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2954         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2955         (Incremental_input_entry_reader::get_global_symbol_reader): New
2956         function.
2957         (Incremental_input_entry_reader::get_output_symbol_index): New
2958         function.
2959         (Incremental_input_entry_reader::type_): Remove.
2960         (Incremental_input_entry_reader::flags_): New data member.
2961         (Incremental_inputs_reader::input_file_offset): New function.
2962         (Incremental_inputs_reader::input_file_index): New function.
2963         (Incremental_inputs_reader::input_file): Call input_file_offset.
2964         (Incremental_inputs_reader::input_file_at_offset): New function.
2965         (Incremental_relocs_reader::get_r_type): Reformat.
2966         (Incremental_relocs_reader::get_r_shndx): Reformat.
2967         (Incremental_relocs_reader::get_r_offset): Reformat.
2968         (Incremental_relocs_reader::data): New function.
2969         (Incremental_binary::Incremental_binary): Initialize new data members.
2970         (Incremental_binary::check_inputs): Add cmdline parameter.
2971         (Incremental_binary::file_is_unchanged): Remove.
2972         (Input_reader::arg_serial): New function.
2973         (Input_reader::get_unused_symbol_count): New function.
2974         (Input_reader::get_unused_symbol): New function.
2975         (Input_reader::do_arg_serial): New function.
2976         (Input_reader::do_get_unused_symbol_count): New function.
2977         (Input_reader::do_get_unused_symbol): New function.
2978         (Incremental_binary::input_file_count): New function.
2979         (Incremental_binary::get_input_reader): Change signature to use
2980         index instead of filename.
2981         (Incremental_binary::file_has_changed): New function.
2982         (Incremental_binary::get_input_argument): New function.
2983         (Incremental_binary::get_library): New function.
2984         (Incremental_binary::get_script_info): New function.
2985         (Incremental_binary::init_layout): New function.
2986         (Incremental_binary::reserve_layout): New function.
2987         (Incremental_binary::output_file): New function.
2988         (Incremental_binary::do_check_inputs): New function.
2989         (Incremental_binary::do_file_is_unchanged): Remove.
2990         (Incremental_binary::do_file_has_changed): New function.
2991         (Incremental_binary::do_init_layout): New function.
2992         (Incremental_binary::do_reserve_layout): New function.
2993         (Incremental_binary::do_input_file_count): New function.
2994         (Incremental_binary::do_get_input_reader): Change signature.
2995         (Incremental_binary::input_args_map_): New data member.
2996         (Incremental_binary::library_map_): New data member.
2997         (Incremental_binary::script_map_): New data member.
2998         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2999         new data members.
3000         (Sized_incremental_binary::output_section): New function.
3001         (Sized_incremental_binary::inputs_reader): Add const.
3002         (Sized_incremental_binary::symtab_reader): Add const.
3003         (Sized_incremental_binary::relocs_reader): Add const.
3004         (Sized_incremental_binary::got_plt_reader): Add const.
3005         (Sized_incremental_binary::get_symtab_view): New function.
3006         (Sized_incremental_binary::Inputs_reader): New typedef.
3007         (Sized_incremental_binary::Input_entry_reader): New typedef.
3008         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3009         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3010         (Sized_incremental_binary::do_file_has_changed): New function.
3011         (Sized_incremental_binary::do_init_layout): New function.
3012         (Sized_incremental_binary::do_reserve_layout): New function.
3013         (Sized_input_reader::Inputs_reader): Remove.
3014         (Sized_input_reader::Input_entry_reader): Remove.
3015         (Sized_input_reader::do_arg_serial): New function.
3016         (Sized_input_reader::do_get_unused_symbol_count): New function.
3017         (Sized_input_reader::do_get_unused_symbol): New function.
3018         (Sized_incremental_binary::do_input_file_count): New function.
3019         (Sized_incremental_binary::do_get_input_reader): Change signature;
3020         use index instead of filename.
3021         (Sized_incremental_binary::section_map_): New data member.
3022         (Sized_incremental_binary::input_entry_readers_): New data member.
3023         (class Sized_incr_relobj): New class.
3024         (class Sized_incr_dynobj): New class.
3025         (make_sized_incremental_object): New function.
3026         (class Incremental_library): New class.
3027         * layout.cc (Free_list::num_lists): New static data member.
3028         (Free_list::num_nodes): New static data member.
3029         (Free_list::num_removes): New static data member.
3030         (Free_list::num_remove_visits): New static data member.
3031         (Free_list::num_allocates): New static data member.
3032         (Free_list::num_allocate_visits): New static data member.
3033         (Free_list::init): New function.
3034         (Free_list::remove): New function.
3035         (Free_list::allocate): New function.
3036         (Free_list::dump): New function.
3037         (Free_list::print_stats): New function.
3038         (Layout_task_runner::run): Resize output file for incremental updates.
3039         (Layout::Layout): Initialize new data members.
3040         (Layout::set_incremental_base): New function.
3041         (Layout::init_fixed_output_section): New function.
3042         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3043         incremental updates.
3044         (Layout::create_gold_note): Do not create gold note section for
3045         incremental updates.
3046         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3047         for incremental updates.
3048         (Layout::set_section_offsets): For incremental updates, allocate space
3049         from free list.
3050         (Layout::create_symtab_sections): Layout with offsets relative to
3051         start of section; for incremental updates, allocate space from free
3052         list.
3053         (Layout::create_shdrs): For incremental updates, allocate space from
3054         free list.
3055         (Layout::finish_dynamic_section): For incremental updates, do not
3056         check --as-needed (fixed in subsequent patch).
3057         * layout.h (class Free_list): New class.
3058         (Layout::set_incremental_base): New function.
3059         (Layout::incremental_base): New function.
3060         (Layout::init_fixed_output_section): New function.
3061         (Layout::allocate): New function.
3062         (Layout::incremental_base_): New data member.
3063         (Layout::free_list_): New data member.
3064         * main.cc (main): Print Free_list statistics.
3065         * object.cc (Relobj::finalize_incremental_relocs): Add
3066         clear_counts parameter; clear counts only when clear_counts is set.
3067         (Sized_relobj::Sized_relobj): Initialize new base class.
3068         (Sized_relobj::do_layout): Don't report special sections.
3069         (Sized_relobj::do_for_all_local_got_entries): New function.
3070         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3071         symtab_off to all symbol table offsets.
3072         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3073         * object.h (class Got_offset_list): Move to top of file.
3074         (Object::Object): Allow case where input_file == NULL.
3075         (Object::~Object): Likewise.
3076         (Object::input_file): Assert that input_file != NULL.
3077         (Object::lock): Allow case where input_file == NULL.
3078         (Object::unlock): Likewise.
3079         (Object::is_locked): Likewise.
3080         (Object::token): Likewise.
3081         (Object::release): Likewise.
3082         (Object::is_incremental): New function.
3083         (Object::get_mtime): New function.
3084         (Object::for_all_local_got_entries): New function.
3085         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3086         (Object::set_is_in_system_directory): New function.
3087         (Object::is_in_system_directory): New function.
3088         (Object::do_is_incremental): New function.
3089         (Object::do_get_mtime): New function.
3090         (Object::do_for_all_local_got_entries): New function.
3091         (Object::is_in_system_directory_): New data member.
3092         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3093         (class Sized_relobj_base): New class.
3094         (class Sized_relobj): Derive from Sized_relobj_base.
3095         (class Sized_relobj::Symbols): Redeclare from base class.
3096         (class Sized_relobj::local_got_offset_list): Remove.
3097         (class Sized_relobj::Output_sections): Redeclare from base class.
3098         (class Sized_relobj::do_for_all_local_got_entries): New function.
3099         (class Sized_relobj::write_local_symbols): Add offset parameter.
3100         (class Sized_relobj::local_symbol_offset_): Update comment.
3101         (class Sized_relobj::local_dynsym_offset_): Update comment.
3102         * options.cc (Input_arguments::add_file): Remove const.
3103         * options.h (Input_file_argument::Input_file_argument):
3104         Initialize arg_serial_ (all constructors).
3105         (Input_file_argument::set_arg_serial): New function.
3106         (Input_file_argument::arg_serial): New function.
3107         (Input_file_argument::arg_serial_): New data member.
3108         (Input_arguments::Input_arguments): Initialize file_count_.
3109         (Input_arguments::add_file): Remove const.
3110         (Input_arguments::number_of_input_files): New function.
3111         (Input_arguments::file_count_): New data member.
3112         (Command_line::number_of_input_files): Call
3113         Input_arguments::number_of_input_files.
3114         * output.cc (Output_segment_headers::Output_segment_headers):
3115         Set current size.
3116         (Output_section::Input_section::current_data_size): New function.
3117         (Output_section::Output_section): Initialize new data members.
3118         (Output_section::add_input_section): Don't do merge sections for
3119         an incremental link; allocate space from free list for an
3120         incremental update.
3121         (Output_section::add_output_section_data): Allocate space from
3122         free list for an incremental update.
3123         (Output_section::update_data_size): New function.
3124         (Output_section::set_fixed_layout): New function.
3125         (Output_section::reserve): New function.
3126         (Output_segment::set_section_addresses): Remove const.
3127         (Output_segment::set_section_list_addresses): Remove const; allocate
3128         space from free list for an incremental update.
3129         (Output_segment::set_offset): Adjust size of RELRO segment for an
3130         incremental update.
3131         * output.h (Output_data::current_data_size): Move here from
3132         child classes.
3133         (Output_data::pre_finalize_data_size): New function.
3134         (Output_data::update_data_size): New function.
3135         (Output_section_headers::update_data_size): new function.
3136         (Output_section_data_build::current_data_size): Move to Output_data.
3137         (Output_data_strtab::update_data_size): New function.
3138         (Output_section::current_data_size): Move to Output_data.
3139         (Output_section::set_fixed_layout): New function.
3140         (Output_section::has_fixed_layout): New function.
3141         (Output_section::reserve): New function.
3142         (Output_section::update_data_size): New function.
3143         (Output_section::has_fixed_layout_): New data member.
3144         (Output_section::free_list_): New data member.
3145         (Output_segment::set_section_addresses): Remove const.
3146         (Output_segment::set_section_list_addresses): Remove const.
3147         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3148         New function.
3149         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3150         New function.
3151         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3152         parameter when calling Add_symbols constructor; store argument
3153         serial number for members of a lib group.
3154         (Add_symbols::locks): Allow case where token == NULL.
3155         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3156         (Read_member::~Read_member): New function.
3157         (Read_member::is_runnable): New function.
3158         (Read_member::locks): New function.
3159         (Read_member::run): New function.
3160         (Check_script::~Check_script): New function.
3161         (Check_script::is_runnable): New function.
3162         (Check_script::locks): New function.
3163         (Check_script::run): New function.
3164         (Check_library::~Check_library): New function.
3165         (Check_library::is_runnable): New function.
3166         (Check_library::locks): New function.
3167         (Check_library::run): New function.
3168         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3169         (Add_symbols::library_): New data member.
3170         (class Read_member): New class.
3171         (class Check_script): New class.
3172         (class Check_library): New class.
3173         * reloc.cc (Read_relocs::is_runnable): Allow case where
3174         token == NULL.
3175         (Read_relocs::locks): Likewise.
3176         (Scan_relocs::locks): Likewise.
3177         (Relocate_task::locks): Likewise.
3178         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3179         to clear counters.
3180         (Sized_relobj::incremental_relocs_scan): Fix comment.
3181         (Sized_relobj::do_relocate): Pass output file offset to
3182         write_local_symbols.
3183         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3184         from class declaration.
3185         * script.cc (read_input_script): Allocate Script_info; pass
3186         argument serial number to report_script.
3187         * script.h (class Script_info): Move to incremental.h.
3188         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3189         * symtab.h (Symbol_table::add_from_incrobj): New function.
3190         (Symbol_table::set_file_offset): New function.
3191
3192 2011-04-05  Cary Coutant  <ccoutant@google.com>
3193
3194         * incremental-dump.cc (dump_incremental_inputs): Change signature
3195         to take a Sized_incremental_binary; change caller.  Use readers
3196         in Sized_incremental_binary.
3197         * incremental.cc
3198         (Sized_incremental_binary::find_incremental_inputs_sections):
3199         Rename do_find_incremental_inputs_sections to this.
3200         (Sized_incremental_binary::setup_readers): New function.
3201         (Sized_incremental_binary::do_check_inputs): Check
3202         has_incremental_info_ flag; move setup code to setup_readers;
3203         use input readers.
3204         (Sized_incremental_binary::do_file_is_unchanged): New function.
3205         (Sized_incremental_binary::do_get_input_reader): New function.
3206         * incremental.h (class Incremental_binary): Move to end of file.
3207         (Incremental_binary::file_is_unchanged): New function.
3208         (Incremental_binary::do_file_is_unchanged): New function.
3209         (Incremental_binary::Input_reader): New class.
3210         (Incremental_binary::get_input_reader): New function.
3211         (class Sized_incremental_binary): Move to end of file.
3212         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3213         input section reader classes.
3214         (Sized_incremental_binary::has_incremental_info): New function.
3215         (Sized_incremental_binary::inputs_reader): New function.
3216         (Sized_incremental_binary::symtab_reader): New function.
3217         (Sized_incremental_binary::relocs_reader): New function.
3218         (Sized_incremental_binary::got_plt_reader): New function.
3219         (Sized_incremental_binary::do_file_is_unchanged): New function.
3220         (Sized_incremental_binary::Sized_input_reader): New class.
3221         (Sized_incremental_binary::get_input_reader): New function.
3222         (Sized_incremental_binary::find_incremental_inputs_sections):
3223         Rename do_find_incremental_inputs_sections to this.
3224         (Sized_incremental_binary::setup_readers): New function.
3225         (Sized_incremental_binary::has_incremental_info_): New data member.
3226         (Sized_incremental_binary::inputs_reader_): New data member.
3227         (Sized_incremental_binary::symtab_reader_): New data member.
3228         (Sized_incremental_binary::relocs_reader_): New data member.
3229         (Sized_incremental_binary::got_plt_reader_): New data member.
3230         (Sized_incremental_binary::current_input_file_): New data member.
3231
3232 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
3233
3234         PR gold/12640
3235         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
3236         violation.
3237
3238 2011-03-30  Cary Coutant  <ccoutant@google.com>
3239
3240         * archive.cc (Archive::include_member): Adjust call to report_object.
3241         (Add_archive_symbols::run): Add script_info to call to
3242         report_archive_begin.
3243         (Lib_group::include_member): Adjust call to report_object.
3244         (Add_lib_group_symbols::run): Adjust call to report_object.
3245         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
3246         blocks.  Add object count for script input files.
3247         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3248         script_info parameter; change all callers.
3249         (Incremental_inputs::report_object): Add script_info parameter;
3250         change all callers.
3251         (Incremental_inputs::report_script): Store backpointer to
3252         incremental info entry.
3253         (Output_section_incremental_inputs::set_final_data_size): Record
3254         additional information for scripts.
3255         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3256         * incremental.h (Incremental_script_entry::add_object): New function.
3257         (Incremental_script_entry::get_object_count): New function.
3258         (Incremental_script_entry::get_object): New function.
3259         (Incremental_script_entry::objects_): New data member; adjust
3260         constructor.
3261         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3262         (Incremental_inputs::report_object): Add script_info parameter.
3263         (Incremental_inputs_reader::get_object_count): New function.
3264         (Incremental_inputs_reader::get_object_offset): New function.
3265         * options.cc (Input_arguments::add_file): Return reference to
3266         new input argument.
3267         * options.h (Input_argument::set_script_info): New function.
3268         (Input_argument::script_info): New function.
3269         (Input_argument::script_info_): New data member; adjust all
3270         constructors.
3271         (Input_file_group::add_file): Return reference to new input argument.
3272         (Input_file_lib::add_file): Likewise.
3273         (Input_arguments::add_file): Likewise.
3274         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3275         * script.cc (Parser_closure::Parser_closure): Add script_info
3276         parameter; adjust all callers.
3277         (Parser_closure::script_info): New function.
3278         (Parser_closure::script_info_): New data member.
3279         (read_input_script): Report scripts earlier to incremental info.
3280         (script_add_file): Set script_info in Input_argument.
3281         (script_add_library): Likewise.
3282         * script.h (Script_options::Script_info): Rewrite class.
3283
3284 2011-03-29  Cary Coutant  <ccoutant@google.com>
3285
3286         * archive.cc (Library_base::should_include_member): Move
3287         method here from class Archive.
3288         (Archive::Archive): Initialize base class.
3289         (Archive::should_include_member): Move to base class.
3290         (Archive::do_for_all_unused_symbols): New function.
3291         (Add_archive_symbols::run): Remove redundant access to
3292         incremental_inputs.
3293         (Lib_group::Lib_group): Initialize base class.
3294         (Lib_group::do_filename): New function.
3295         (Lib_group::include_member): Pass pointer to Lib_group to
3296         report_object.
3297         (Lib_group::do_for_all_unused_symbols): New function.
3298         (Add_lib_group_symbols::run): Report archive information for
3299         incremental links.
3300         * archive.h (class Library_base): New base class.
3301         (class Archive): Derive from Library_base.
3302         (Archive::filename): Move to base class.
3303         (Archive::set_incremental_info): Likewise.
3304         (Archive::incremental_info): Likewise.
3305         (Archive::Should_include): Likewise.
3306         (Archive::should_include_member): Likewise.
3307         (Archive::Armap_entry): Remove.
3308         (Archive::Unused_symbol_iterator): Remove.
3309         (Archive::unused_symbols_begin): Remove.
3310         (Archive::unused_symbols_end): Remove.
3311         (Archive::do_filename): New function.
3312         (Archive::do_get_mtime): New function.
3313         (Archive::do_for_all_unused_symbols): New function.
3314         (Archive::task_): Move to base class.
3315         (Archive::incremental_info_): Likewise.
3316         (class Lib_group): Derive from Library_base.
3317         (Lib_group::do_filename): New function.
3318         (Lib_group::do_get_mtime): New function.
3319         (Lib_group::do_for_all_unused_symbols): New function.
3320         (Lib_group::task_): Move to base class.
3321         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3322         function.
3323         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3324         function.
3325         * incremental.cc (Incremental_inputs::report_archive_begin):
3326         Use Library_base; call library's get_mtime; add incremental inputs
3327         entry before members.
3328         (class Unused_symbol_visitor): New class.
3329         (Incremental_inputs::report_archive_end): Use Library_base; use
3330         visitor class to record unused symbols; don't add incremental inputs
3331         entry after members.
3332         (Incremental_inputs::report_object): Use Library_base.
3333         * incremental.h
3334         (Incremental_archive_entry::Incremental_archive_entry): Remove
3335         unused Archive parameter.
3336         (Incremental_inputs::report_archive_begin): Use Library_base.
3337         (Incremental_inputs::report_archive_end): Likewise.
3338         (Incremental_inputs::report_object): Likewise.
3339         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3340         function.
3341         * object.h (Object::for_all_global_symbols): New function.
3342         (Object::do_for_all_global_symbols): New function.
3343         (Sized_relobj::do_for_all_global_symbols): New function.
3344         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3345         function.
3346         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3347         function.
3348
3349 2011-03-27  Ian Lance Taylor  <iant@google.com>
3350
3351         * archive.cc (Archive::interpret_header): Return -1 if something
3352         goes wrong.  Change callers accordingly.
3353
3354 2011-03-25  Cary Coutant  <ccoutant@google.com>
3355
3356         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3357         * testsuite/Makefile.in: Regenerate.
3358
3359 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3360
3361         * plugin.cc (get_view): New.
3362         (Plugin::load): Pass get_view to the plugin.
3363         (Plugin_manager::get_view): New.
3364
3365 2011-03-21  Ian Lance Taylor  <iant@google.com>
3366
3367         * testsuite/final_layout.sh: Rewrite to not use dc.
3368         * testsuite/relro_test.sh: Fail if dc is not present.
3369
3370 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3371
3372         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3373         Change == to -eq.
3374         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3375         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3376         Change == to -eq.
3377         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3378         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3379
3380 2011-03-14  Ian Lance Taylor  <iant@google.com>
3381
3382         * script-sections.cc (Sort_output_sections::script_compare):
3383         Rename from is_before, change return type.
3384         (Sort_output_sections::operator()): Adjust accordingly.
3385
3386 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3387
3388         PR gold/12572
3389         * testsuite/odr_violation2.cc: Add comment to make all error line
3390         numbers double digits.
3391         * testsuite/debug_msg.sh: Adjust expected errors.
3392
3393 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3394
3395         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3396         but mark earlier ones as non-canonical
3397         (offset_to_iterator): Update search target and example
3398         (do_addr2line): Return extra lines in a vector*
3399         (format_file_lineno): Extract from do_addr2line
3400         (one_addr2line): Add vector* out-param
3401         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3402         when a lineno entry appeared last for its instruction
3403         (Dwarf_line_info): Add vector* out-param
3404         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3405         * symtab.cc (Odr_violation_compare): Include the lineno in the
3406         comparison again.
3407         (linenos_from_loc): New. Combine the canonical line for an
3408         address with its other lines.
3409         (True_if_intersect): New. Helper functor to make
3410         std::set_intersection a query.
3411         (detect_odr_violations): Compare sets of lines instead of just
3412         one line for each function. This became less deterministic, but
3413         has fewer false positives.
3414         * symtab.h: Declarations.
3415         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3416         mix an optimized and non-optimized object in the same binary
3417         (odr_violation2.so): Same.
3418         * testsuite/Makefile.in: Regenerate from Makefile.am.
3419         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3420         * testsuite/debug_msg.sh: Update line numbers and add
3421         assertions.
3422         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3423         non-optimized context.
3424         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3425         isn't inlined, and use OdrDerived in an optimized context.
3426         * testsuite/odr_header1.h: Defines OdrDerived, where
3427         optimization will change the
3428         first-instruction-in-the-destructor's file and line number.
3429         * testsuite/odr_header2.h: Defines OdrBase.
3430
3431 2011-03-09  Ian Lance Taylor  <iant@google.com>
3432
3433         * fileread.cc (File_read::clear_views): Don't delete the whole
3434         file view.
3435
3436 2011-03-08  Ian Lance Taylor  <iant@google.com>
3437
3438         PR gold/12525
3439         * fileread.cc: #include <climits>.
3440         (GOLD_IOV_MAX): Define.
3441         (File_read::read_multiple): Limit number of entries by iov_max.
3442         * fileread.h (class File_read): Always set max_readv_entries to
3443         128.
3444
3445 2011-03-07  Ian Lance Taylor  <iant@google.com>
3446
3447         PR gold/12525
3448         * options.h (class General_options): Add -dy and -dn.
3449
3450 2011-03-02  Cary Coutant  <ccoutant@google.com>
3451
3452         * testsuite/script_test_9.t: Add TLS segment.
3453
3454 2011-03-02  Simon Baldwin  <simonb@google.com>
3455
3456         * configure.ac: Add check for gnu_indirect_function support in
3457         the toolchain building binutils.
3458         * configure: Rebuild.
3459
3460 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3461
3462         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3463         plugin only symbols.
3464         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3465         in plugin files as not needed in the symbol table.
3466
3467 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3468
3469         * output.cc (Output_section::add_input_section): Delay fill
3470         generation for section ordering.
3471
3472 2011-02-09  Ian Lance Taylor  <iant@google.com>
3473
3474         PR gold/12316
3475         * object.h (class Sized_relobj): Remove clear_local_symbols.
3476         * reloc.cc (Sized_relobj::do_relocate): Don't call
3477         clear_local_symbols.
3478
3479 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3480
3481         * plugin.cc (is_visible_from_outside): Return true for symbols
3482         in the -u option.
3483
3484 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3485
3486         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3487         filename.
3488
3489 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3490
3491         * icf.h (is_section_foldable_candidate): Change type of parameter
3492         to std::string.
3493         * icf.cc (Icf::find_identical_sections): Change type of local variable
3494         section_name to be std::string.
3495         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3496
3497 2011-01-25  Ian Lance Taylor  <iant@google.com>
3498
3499         * script.cc (script_add_extern): Rewrite to use
3500         add_symbol_reference.
3501
3502 2011-01-25  Doug Kwan  <dougkwan@google.com>
3503
3504         * icf.cc (get_section_contents): Always lock section's object.
3505
3506 2011-01-24  Ian Lance Taylor  <iant@google.com>
3507
3508         * options.h (class General_options): Accept
3509         --no-detect-odr-violations.
3510
3511 2011-01-24  Ian Lance Taylor  <iant@google.com>
3512
3513         * version.cc (version_string): Bump to 1.11.
3514
3515 2011-01-24  Ian Lance Taylor  <iant@google.com>
3516
3517         * plugin.cc (class Plugin_rescan): Define new class.
3518         (Plugin_manager::claim_file): Set any_claimed_.
3519         (Plugin_manager::save_archive): New function.
3520         (Plugin_manager::save_input_group): New function.
3521         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3522         necessary.
3523         (Plugin_manager::new_undefined_symbol): New function.
3524         (Plugin_manager::rescan): New function.
3525         (Plugin_manager::rescannable_defines): New function.
3526         (Plugin_manager::add_input_file): Set any_added_.
3527         * plugin.h (class Plugin_manager): define new fields rescannable_,
3528         undefined_symbols_, any_claimed_, and any_added_.  Declare
3529         Plugin_rescan as friend.  Declare new functions.
3530         (Plugin_manager::Rescannable): Define type.
3531         (Plugin_manager::Rescannable_list): Define type.
3532         (Plugin_manager::Undefined_symbol_list): Define type.
3533         (Plugin_manager::Plugin_manager): Initialize new fields.
3534         * archive.cc (Archive::defines_symbol): New function.
3535         (Add_archive_symbols::run): Pass archive to plugins if any.
3536         * archive.h (class Archive): Declare defines_symbol.
3537         * readsyms.cc (Input_group::~Input_group): New function.
3538         (Finish_group::run): Pass input_group to plugins if any.
3539         * readsyms.h (class Input_group): Declare destructor.
3540         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3541         any.
3542
3543 2011-01-10  Ian Lance Taylor  <iant@google.com>
3544
3545         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3546         section as relro.
3547         (Layout::set_segment_offsets): Reset increase_relro before calling
3548         set_section_addresses a second time.
3549
3550 2011-01-04  Cary Coutant  <ccoutant@google.com>
3551
3552         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3553         sections before NOBITS sections.
3554
3555 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3556
3557         * version.cc (print_version): Update copyright to 2011.
3558
3559 2010-12-23  Cary Coutant  <ccoutant@google.com>
3560
3561         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3562         of OS to this->add.  Add OD parameter to second form of the function.
3563
3564 2010-12-20  Ian Lance Taylor  <iant@google.com>
3565
3566         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3567         second of two consecutive entries with same offset.
3568
3569 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3570
3571         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3572         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3573         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3574         to avoid unneeded links against $(LDADD).
3575         * testsuite/Makefile.in: Regenerate.
3576
3577 2010-12-15  Ian Lance Taylor  <iant@google.com>
3578
3579         PR gold/12324
3580         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3581         for R_X86_64_32 and R_X86_64_PC32.
3582         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3583         ver_matching_def_pic.o.
3584         (ver_matching_def_pic.o): New target.
3585
3586 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3587
3588         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3589         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3590         Move definition before File_read::View member definitions.
3591         (File_read::View::~View): Initialize and hold lock before
3592         updating current_mapped_bytes.
3593
3594 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3595
3596         * dwarf_reader.cc: Remove outdated comment.
3597         * gold-threads.cc: Fix typo in error message.
3598         * archive.cc: Fix typos in comments.
3599         * archive.h: Likewise.
3600         * arm-reloc-property.cc: Likewise.
3601         * arm-reloc-property.h: Likewise.
3602         * arm-reloc.def: Likewise.
3603         * arm.cc: Likewise.
3604         * attributes.h: Likewise.
3605         * cref.cc: Likewise.
3606         * ehframe.cc: Likewise.
3607         * fileread.h: Likewise.
3608         * gold.h: Likewise.
3609         * i386.cc: Likewise.
3610         * icf.cc: Likewise.
3611         * incremental.h: Likewise.
3612         * int_encoding.cc: Likewise.
3613         * layout.h: Likewise.
3614         * main.cc: Likewise.
3615         * merge.h: Likewise.
3616         * object.cc: Likewise.
3617         * object.h: Likewise.
3618         * options.cc: Likewise.
3619         * readsyms.cc: Likewise.
3620         * reduced_debug_output.cc: Likewise.
3621         * reloc.cc: Likewise.
3622         * script-sections.cc: Likewise.
3623         * sparc.cc: Likewise.
3624         * symtab.h: Likewise.
3625         * target-reloc.h: Likewise.
3626         * target.cc: Likewise.
3627         * target.h: Likewise.
3628         * timer.cc: Likewise.
3629         * timer.h: Likewise.
3630         * x86_64.cc: Likewise.
3631
3632 2010-12-09  Cary Coutant  <ccoutant@google.com>
3633
3634         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3635         stack.
3636         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3637         parameter; change all callers.
3638         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3639         * options.h (warn_execstack): New option.
3640
3641 2010-12-07  Doug Kwan  <dougkwan@google.com>
3642
3643         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3644         like function call relocations.
3645
3646 2010-12-07  Ian Lance Taylor  <iant@google.com>
3647
3648         * archive.cc (Archive::get_elf_object_for_member): Permit
3649         punconfigured to be NULL.
3650         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3651         (Archive::include_member): Pass NULL to get_elf_object_for_member
3652         if we searched for the archive and this is the first included
3653         object.
3654
3655 2010-12-01  Ian Lance Taylor  <iant@google.com>
3656
3657         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3658         track_relocs_type_ field.
3659         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3660         Set track_relocs_type_.
3661         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3662         contents when using RELA relocs.
3663         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3664         reloc_map_.
3665         * reloc.cc (Track_relocs::next_addend): New function.
3666         * reloc.h (class Track_relocs): Declare next_addend.
3667
3668 2010-12-01  Ian Lance Taylor  <iant@google.com>
3669
3670         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3671         virtual destructor.
3672
3673 2010-12-01  Ian Lance Taylor  <iant@google.com>
3674
3675         * README: Update compilers known to work and fail.
3676
3677 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3678
3679         * configure.in: For --enable-gold, handle value `default' instead of
3680         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3681         not the default.
3682         * configure: Regenerate.
3683
3684 2010-11-18  Doug Kwan  <dougkwan@google.com>
3685
3686         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3687         and right_alignment to be zero.  Store result alignment only if it is
3688         greater than existing alignment.
3689
3690 2010-11-16  Cary Coutant  <ccoutant@google.com>
3691
3692         PR gold/12220
3693         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3694         Check for ".zdebug_line".
3695
3696 2010-11-16  Doug Kwan  <dougkwan@google.com>
3697             Cary Coutant  <ccoutant@google.com>
3698
3699         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3700         by reference; adjust all callers.
3701         * output.cc (Output_segment::set_section_addresses): Adjust references
3702         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3703         list is empty.
3704         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3705         end at page boundary.
3706
3707 2010-11-16  Cary Coutant  <ccoutant@google.com>
3708
3709         PR gold/12220
3710         * layout.cc (Layout::choose_output_section): Transform names of
3711         compressed sections even when using a script with a SECTIONS clause.
3712         (Layout::output_section_name): Remove code to transform
3713         compressed debug section names.
3714         * output.cc (Output_section::add_input_section): Use uncompressed
3715         section size when tracking input sections.
3716
3717 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3718
3719         * symtab.h (Symbol::NON_PIC_REF): Remove.
3720         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3721         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3722         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3723         (Symbol::use_plt_offset): Take a flags argument and pass it
3724         directly to needs_dynamic_reloc.  Restrict check for undefined
3725         weak symbols to function calls.
3726         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3727         (Target_arm::Scan::global): Use it.
3728         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3729         (Target_arm::Relocate::relocate): Likewise.
3730         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3731         parameter with an r_type parameter.  Use get_reference_flags
3732         to get the flags.
3733         (Target_arm::Relocate::relocate): Update accordingly.
3734         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3735         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3736         (Target_i386::Scan::global): Likewise.
3737         (Target_i386::Relocate::relocate): Likewise.
3738         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3739         parameter with an r_type parameter.  Use get_reference_flags
3740         to get the flags.
3741         (Target_i386::Relocate::relocate): Update accordingly.
3742         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3743         (Target_powerpc::Scan::global): Use it.
3744         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3745         (Target_powerpc::Relocate::relocate): Likewise.
3746         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3747         (Target_sparc::Scan::global): Use it.
3748         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3749         (Target_sparc::Relocate::relocate): Likewise.
3750         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3751         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3752         (Target_x86_64::Scan::global): Likewise.
3753         (Target_x86_64::Relocate::relocate): Likewise.
3754
3755 2010-11-08  Doug Kwan  <dougkwan@google.com>
3756             Cary Coutant  <ccoutant@google.com>
3757
3758         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3759         (Arm_exidx_merge_section::section_contents_): New data member.
3760         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3761         (Arm_input_section::~Arm_input_section): De-allocate memory.
3762         (Arm_input_section::original_contents_): New data member.
3763         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3764         in parameters instead of calling Object::section_contents without
3765         locking.
3766         (Arm_output_section::group_section): New parameter TASK.  Pass it
3767         to callees that need locking objects.
3768         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3769         to lock EXIDX input sections.  Fix a formatting issue.  Call
3770         Arm_exidx_merged_section::build_contents to create merged section
3771         contents.
3772         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3773         to lock object of stub table owner.
3774         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3775         TEXT_SIZE to initialize data member TEXT_SIZE_.
3776         (Arm_exidx_input_section::addralign): Fix typo in comment.
3777         (Arm_exidx_input_section::text_size): New method.
3778         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3779         that require locking objects.  Lock objects before scanning for stubs
3780         and updating local symbols.
3781         (Arm_input_section<big_endian>::init): Copy contents of original
3782         input section.
3783         (Arm_input_section<big_endian>::do_write): Use saved contents of
3784         original input section instead of calling Object::section_contents
3785         without locking.
3786         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3787         size without calling Object::section_size().
3788         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3789         for size.  Allocate a buffer for merged EXIDX entries.
3790         (Arm_exidx_merged_section::build_contents): New method.
3791         (Arm_exidx_merged_section::do_write): Move merge section contents
3792         building code to Arm_exidx_merged_section::build_contetns.  Write
3793         out contetns in buffer instead of building it on the fly.
3794         (Arm_relobj::make_exidx_input_section): Also pass text section size
3795         to Arm_exidx_input_section constructor.
3796         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3797         (Arm_dynobj::do_read_symbols): Fix memory leak.
3798         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3799         * target.h: (class Task): Add forward declaration.
3800         (Target::relax): Add new parameter TASK and pass it to
3801         Target::do_relax().
3802         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3803
3804 2010-11-05  Cary Coutant  <ccoutant@google.com>
3805
3806         PR gold/10708
3807         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3808         object when reading from the file.
3809         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3810         second layout pass.
3811         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3812         when reading section contents.
3813         (get_section_contents): Likewise.
3814         (icf::find_identical_sections): Likewise.
3815         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3816         object when reading from the file.
3817         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3818         the object when doing deferred section layout.
3819
3820 2010-11-03  Nick Clifton  <nickc@redhat.com>
3821
3822         PR gold/12001
3823         * script.h (class Symbol_assignment: name): New member.  Returns
3824         the name of the symbol.
3825         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3826         Returns true if the given symbol name is on the list of
3827         assignments wating to be processed.
3828         * archive.cc (should_incldue_member): If the symbol is undefined,
3829         check to see if it is on the list of symbols pending assignment.
3830
3831 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3832
3833         * script-sections.cc (Script_sections::find_memory_region): Check
3834         for a NULL output section pointer.
3835
3836 2010-10-29  Doug Kwan  <dougkwan@google.com>
3837
3838         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3839         Output_section::add_relaxed_input_section.
3840         * output.cc (Output_section::add_relaxed_input_section): Add new
3841         arguments LAYOUT and NAME.  Set section order index.
3842         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3843         Copy section order index.
3844         * output.h (Output_section::add_relaxed_input_section): Add new
3845         arguments LAYOUT and NAME.
3846
3847 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3848
3849         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3850         NATIVE_OR_CROSS_LINKER.
3851         * testsuite/Makefile.in: Regenerate.
3852
3853 2010-10-20  Doug Kwan  <dougkwan@google.com>
3854
3855         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3856         without SHF_LINK_ORDER flags.
3857         * layout.cc (Layout::choose_output_section): Do not filter
3858         SHF_LINK_ORDER flag in a relocatable link.
3859
3860 2010-10-17  Cary Coutant  <ccoutant@google.com>
3861
3862         * output.h (Output_segment::set_section_addresses): Change function
3863         signature.  Update all callers.
3864         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3865         sections.
3866         (Output_segment::set_section_addresses): Align after last TLS
3867         section.  Add padding before last relro section instead of after.
3868
3869 2010-10-17  Doug Kwan  <dougkwan@google.com>
3870
3871         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3872         GOT output section to be writable.
3873
3874 2010-10-14  Cary Coutant  <ccoutant@google.com>
3875
3876         * debug.h (DEBUG_INCREMENTAL): New flag.
3877         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3878         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3879         mode.
3880         * incremental.cc (report_command_line): Ignore all forms of
3881         --incremental.
3882         * layout.cc (Layout::Layout): Check parameters for incremental link
3883         mode.
3884         * options.cc (General_options::parse_incremental): New function.
3885         (General_options::parse_no_incremental): New function.
3886         (General_options::parse_incremental_full): New function.
3887         (General_options::parse_incremental_update): New function.
3888         (General_options::incremental_mode_): New data member.
3889         (General_options::finalize): Check incremental_mode_.
3890         * options.h (General_options): Update help text for --incremental.
3891         Add --no-incremental, --incremental-full, --incremental-update.
3892         (General_options::Incremental_mode): New enum type.
3893         (General_options::incremental_mode): New function.
3894         (General_options::incremental_mode_): New data member.
3895         * parameters.cc (Parameters::incremental_mode_): New data member.
3896         (Parameters::set_options): Set incremental_mode_.
3897         (Parameters::set_incremental_full): New function.
3898         (Parameters::incremental): New function.
3899         (Parameters::incremental_update): New function.
3900         (set_parameters_incremental_full): New function.
3901         * parameters.h (Parameters::set_incremental_full): New function.
3902         (Parameters::incremental): New function.
3903         (Parameters::incremental_update): New function.
3904         (Parameters::incremental_mode_): New data member.
3905         (set_parameters_incremental_full): New function.
3906         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3907         incremental link mode.
3908         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3909         (Sized_relobj::do_relocate_sections): Likewise.
3910         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3911         option.
3912         * testsuite/Makefile.in: Regenerate.
3913         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3914
3915 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3916
3917         * script-sections.h (class Script_sections): Make
3918         Sections_elements typedef public.
3919         * script-sections.cc (class Sort_output_sections): Add elements_
3920         field.  Add constructor which sets it; change all callers.
3921         (Sort_output_sections::is_before): New function.
3922         (Sort_output_sections::operator()): Call is_before.
3923         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3924         conditional.
3925         * testsuite/script_test_10.sh: New test. Test script section
3926         order.
3927         * testsuite/script_test_10.t: Likewise.
3928         * testsuite/script_test_10.s: Likewise.
3929         * testsuite/Makefile.am: Wrap the cross linker tests and the
3930         common tests into NATIVE_OR_CROSS_LINKER.
3931         (check_SCRIPTS): Add script_test_10.sh.
3932         (check_DATA): Add script_test_10.stdout.
3933         (script_test_10.o, script_test_10): New targets.
3934         (script_test_10.stdout): New target.
3935         * configure, testsuite/Makefile.in: Regenerate.
3936
3937 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3938
3939         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3940         error for the deprecated relocations.
3941         (Target_arm::Scan::global): Likewise.
3942         (Target_arm::Relocate::relocate): Likewise.
3943
3944 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3945
3946         * fileread.cc (Input_file::find_file): Initialize *found_name
3947         and *namep when using the fallback search for case 4.
3948
3949 2010-10-11  Cary Coutant  <ccoutant@google.com>
3950
3951         * options.h (class General_options): Redefine -z lazy as an alias for
3952         the negation of -z now.
3953
3954 2010-10-11  Ian Lance Taylor  <iant@google.com>
3955
3956         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3957         binding.
3958
3959 2010-10-06  Nick Clifton  <nickc@redhat.com>
3960
3961         * script-sections.cc(class Memory_region): Remove
3962         current_lma_offset_ field.  Rename current_vma_offset_ to
3963         current_offset_.  Add last_section_ field.
3964         (Memory_region::get_current_vma_address): Rename to
3965         get_current_address.
3966         (Memory_region::get_current_lma_address): Delete.
3967         (Memory_region::increment_vma_offset): Rename to
3968         increment_offset.
3969         (Memory_region::increment_lma_offset): Delete.
3970         (Memory_region::attributes_compatible): New method.  Returns
3971         true if the provided section is compatible with the region.
3972         (Memory_region::get_last_section): New method.  Returns the last
3973         section to use the region.
3974         (Memory_region::set_last_section): New method.  Stores the last
3975         section to use the region.
3976         (Script_sections::block_in_region): New method.  Returns true if
3977         a block of memory is contained within a region.
3978         (Script_sections::find_memory_region): New method.  Locates a
3979         memory region to be used to set a VMA or LMA address.
3980         (Output_section_definition::set_section_addresses): Add code to
3981         check for addresses set by memory regions.
3982         (Output_segment::set_section_addresses): Remove memory region
3983         walking code.
3984         (Script_sections::create_segment): Add a warning if a header
3985         segment is created outside of any region.
3986         * script-sections.h (class Script_sections): Add prototypes for
3987         find_memory_region and block_in_region methods.
3988         * testsuite/memory_test.s: Use .long instead of .word.
3989         * testsuite/memory_test.t: Add some more output sections.
3990         * testsuite/memory_test.sh: Update expected output.
3991
3992 2010-10-02  Doug Kwan  <dougkwan@google.com>
3993
3994         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3995         defintion to symtab.h
3996         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3997         declaration to defintion.
3998
3999 2010-10-01  Nick Clifton  <nickc@redhat.com>
4000
4001         * expression.cc (eval): Replace dummy argument with NULL.
4002         (eval_maybe_dot): Check for a NULL result section pointer.
4003         (Symbol_expression::value): Likewise.
4004         (Dot_expression::value): Likewise.
4005         (BINARY_EXPRESSION): Likewise.
4006         (Max_expression::value): Likewise.
4007         (Min_expression::value): Likewise.
4008         (Absolute_expression::value): Likewise.
4009         (Addr_expression::value_from_output_section): Likewise.
4010         (Loaddddr_expression::value_from_output_section): Likewise.
4011         (Segment_start_expression::value): Likewise.
4012         * script-sections.cc
4013         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4014         argument with NULL.
4015         (Sections_elememt_dot_assignment::set_section_addresses):
4016         Likewise.
4017         (Output_data_expression::do_write_to_buffer): Likewise.
4018         (Output_section_definition::finalize_symbols): Likewise.
4019         (Output_section_definition::set_section_addresses): Likewise.
4020
4021 2010-09-30  Doug Kwan  <dougkwan@google.com>
4022
4023         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4024
4025 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4026
4027         * target.h (Target::can_icf_inline_merge_sections): New virtual
4028         function.
4029         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4030         virtual function.
4031         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4032         virtual function.
4033         * icf.cc (get_section_contents): Inline merge sections only when
4034         target allows it.
4035
4036 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4037
4038         * configure: Regenerate.
4039
4040 2010-09-17  Ian Lance Taylor  <iant@google.com>
4041
4042         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4043         * testsuite/Makefile.am (memory_test.o): New target.
4044         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4045         memory_test.t.
4046         * testsuite/Makefile.in: Rebuild.
4047
4048 2010-09-17  Doug Kwan  <dougkwan@google.com>
4049
4050         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4051         defintion if relocation uses GOT entries of the symbol.
4052         * testsuite/icf_safe_test.sh: Fix test.
4053         * testsuite/icf_safe_so_test.sh: Fix test.
4054
4055 2010-09-16  Cary Coutant  <ccoutant@google.com>
4056
4057         * script_sections.cc (class Memory_region): Remove "NULL" from
4058         vector initializations.
4059
4060 2010-09-15  Cary Coutant  <ccoutant@google.com>
4061
4062         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4063         Resolve forwarding symbols.
4064
4065 2010-09-15  Doug Kwan  <dougkwan@google.com>
4066
4067         * gold/testsuite/script_test_3.t: Add ARM special sections.
4068         * gold/testsuite/script_test_4.t: Same.
4069         * gold/testsuite/script_test_5.t: Same.
4070         * gold/testsuite/script_test_6.t: Same.
4071         * gold/testsuite/script_test_7.t: Same.
4072         * gold/testsuite/script_test_7.t: Same.
4073         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4074
4075 2010-09-14  Cary Coutant  <ccoutant@google.com>
4076
4077         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4078         (Target_x86_64::Relocate::relocate_tls): Replace check for
4079         saw_tls_block_reloc_ with test for executable section.
4080
4081 2010-09-12  Cary Coutant  <ccoutant@google.com>
4082
4083         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4084         position-independent executables to shared libraries need dynamic
4085         relocations.
4086         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4087         position-independent executables.
4088         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4089         * testsuite/Makefile.in: Regenerate.
4090
4091 2010-09-10  Nick Clifton  <nickc@redhat.com>
4092
4093         PR gold/11997
4094         * testsuite/memory_test.t: Discard any sections that are not
4095         needed.
4096
4097 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4098
4099         PR gold/11996
4100         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4101         "This::" to work around a bug in gcc 4.2.
4102
4103         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4104
4105 2010-09-09  Rafael Espindola  <espindola@google.com>
4106
4107         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4108         sections with different PF_X flags in the same segment.
4109         (Layout::find_first_load_seg): Search all segments to find the first
4110         one.
4111         * options.h (rosegment): New.
4112
4113 2010-09-08  Rafael Espindola  <espindola@google.com>
4114
4115         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4116
4117 2010-09-08  Doug Kwan  <dougkwan@google.com>
4118
4119         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4120         (Arm_relobj::do_relocate_sections): Add new parameter for output
4121         file to match the parent.
4122         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4123         of local symbols instead of input values.  Update code to track
4124         changes in gold::relocate_section.
4125         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4126         (Sized_relobj::compute_final_local_value_internal): New methods.
4127         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4128         body into private version of Sized_relobj::compute_final_local_value.
4129         Call the inline method.
4130         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4131         merged symbol value if there is one.
4132         (Symbol_value::has_output_value): New method defintiion.
4133         (Sized_relobj::Compute_final_local_value_status): New enum type.
4134         (Sized_relobj::compute_final_local_value): New methods.
4135         (Sized_relobj::compute_final_local_value_internal): New methods.
4136         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4137         and arm_cortex_a8.sh.
4138         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4139         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4140         New tests.
4141         * Makefile.in: Regenerate.
4142         * testsuite/arm_bl_out_of_range.s: Update test.
4143         * testsuite/thumb_bl_out_of_range.s: Ditto.
4144         * testsuite/thumb_blx_out_of_range.s: Ditto.
4145         * testsuite/arm_branch_out_of_range.sh: New file.
4146         * testsuite/arm_cortex_a8.sh: Ditto.
4147         * testsuite/arm_cortex_a8_b.s: Ditto.
4148         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4149         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4150         * testsuite/arm_cortex_a8_bl.s: Ditto.
4151         * testsuite/arm_cortex_a8_blx.s: Ditto.
4152         * testsuite/arm_cortex_a8_local.s: Ditto.
4153         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4154         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4155
4156 2010-09-08  Rafael Espindola  <espindola@google.com>
4157
4158         * Makefile.am (memory_test.stdout): Run readelf with -W.
4159         * Makefile.in: Regenerate.
4160         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4161         64 bit output.
4162
4163 2010-09-08  Rafael Espindola  <espindola@google.com>
4164
4165         * script-sections.cc (Script_sections::add_memory_region): Convert
4166         field precision to int.
4167         * script.cc (script_set_section_region, script_set_section_region):
4168         Convert field precision to int.
4169
4170 2010-09-08  Rafael Espindola  <espindola@google.com>
4171
4172         * arm.cc (do_finalize_sections): Create the __exidx_start and
4173         __exdix_end symbols even when the section is missing.
4174
4175 2010-09-08  Nick Clifton  <nickc@redhat.com>
4176
4177         * README: Remove claim that MEMORY is not supported.
4178         * expression.cc (script_exp_function_origin)
4179         (script_exp_function_length): Move from here to ...
4180         * script.cc: ... here.
4181         (script_set_section_region, script_add_memory)
4182         (script_parse_memory_attr, script_include_directive): New
4183         functions.
4184         * script-sections.cc
4185         (class Memory_region): New class.
4186         (class Output_section_definition): Add set_memory_region,
4187         set_section_vma, set_section_lma and get_section_name methods.
4188         (class Script_Sections): Add add_memory_region,
4189         find_memory_region, find_memory_region_origin,
4190         find_memory_region_length and set_memory_region methods.
4191         Have set_section_addresses method walk the list of set memory
4192         regions.
4193         Extend the print methos to display memory regions.
4194         * script-sections.h: Add prototypes for new methods.
4195         Add enum for MEMORY region attributes.
4196         * yyscript.y: Add support for parsing MEMORY regions.
4197         * script-c.h: Add prototypes for new functions.
4198         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4199         * testsuite/Makefile.in: Regenerate.
4200         * testsuite/memory_test.sh: New script.
4201         * testsuite/memory_test.s: New assembler source file.
4202         * testsuite/memory_test.t: New linker script.
4203
4204 2010-08-27  Doug Kwan  <dougkwan@google.com>
4205
4206         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4207         reference override an existing dynamic weak reference.
4208         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4209         * testsuite/Makefile.in: Regenerate.
4210         * testsuite/dyn_weak_ref.sh: New file.
4211         * testsuite/dyn_weak_ref_1.c: Ditto.
4212         * testsuite/dyn_weak_ref_2.c: Ditto.
4213
4214 2010-08-27  Ian Lance Taylor  <iant@google.com>
4215
4216         * incremental.h (class Incremental_input_entry): Add virtual
4217         destructor.
4218
4219 2010-08-27  Ian Lance Taylor  <iant@google.com>
4220
4221         * testsuite/start_lib_test_3.c: Mark t3 as used.
4222
4223 2010-08-27  Nick Clifton  <nickc@redhat.com>
4224
4225         * options.cc (version_script): Fix small typo in previous
4226         whitespace tidyup.
4227
4228 2010-08-25  Nick Clifton  <nickc@redhat.com>
4229
4230         * archive.cc: Formatting fixes: Remove whitespace between
4231         typename and following asterisk.  Remove whitespace between
4232         function name and opening parenthesis.
4233         * archive.h: Likewise.
4234         * arm.cc: Likewise.
4235         * attributes.cc: Likewise.
4236         * attributes.h: Likewise.
4237         * common.cc: Likewise.
4238         * copy-relocs.cc: Likewise.
4239         * dirsearch.h: Likewise.
4240         * dynobj.cc: Likewise.
4241         * ehframe.cc: Likewise.
4242         * ehframe.h: Likewise.
4243         * expression.cc: Likewise.
4244         * fileread.cc: Likewise.
4245         * fileread.h: Likewise.
4246         * gc.h: Likewise.
4247         * gold-threads.cc: Likewise.
4248         * gold.cc: Likewise.
4249         * i386.cc: Likewise.
4250         * icf.h: Likewise.
4251         * incremental-dump.cc: Likewise.
4252         * incremental.cc: Likewise.
4253         * layout.cc: Likewise.
4254         * layout.h: Likewise.
4255         * main.cc: Likewise.
4256         * merge.cc: Likewise.
4257         * merge.h: Likewise.
4258         * object.cc: Likewise.
4259         * object.h: Likewise.
4260         * options.cc: Likewise.
4261         * options.h: Likewise.
4262         * output.cc: Likewise.
4263         * output.h: Likewise.
4264         * plugin.cc: Likewise.
4265         * plugin.h: Likewise.
4266         * powerpc.cc: Likewise.
4267         * reloc.cc: Likewise.
4268         * script-c.h: Likewise.
4269         * script-sections.cc: Likewise.
4270         * script.cc: Likewise.
4271         * stringpool.cc: Likewise.
4272         * symtab.cc: Likewise.
4273         * symtab.h: Likewise.
4274         * target.cc: Likewise.
4275         * timer.cc: Likewise.
4276         * timer.h: Likewise.
4277         * version.cc: Likewise.
4278         * x86_64.cc: Likewise.
4279
4280 2010-08-24  Nick Clifton  <nickc@redhat.com>
4281
4282         PR 11899
4283         * layout.cc (segment_precedes): Sort segments by their physical
4284         addresses, if they have been set.
4285
4286 2010-08-23  Cary Coutant  <ccoutant@google.com>
4287
4288         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4289         symbols data.
4290         (Lib_group::include_member): Unlock object after deleting its
4291         symbols data.
4292         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
4293         the bug fixed here.
4294
4295 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
4296             Cary Coutant  <ccoutant@google.com>
4297
4298         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
4299         constructor, and set_blocker.
4300         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
4301         readsyms_blocker_.
4302         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
4303         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
4304         * testsuite/Makefile.am (start_lib_test): New test case.
4305         * testsuite/Makefile.in: Regenerate.
4306         * testsuite/start_lib_test_main.c: New file.
4307         * testsuite/start_lib_test_1.c: New file.
4308         * testsuite/start_lib_test_2.c: New file.
4309         * testsuite/start_lib_test_3.c: New file.
4310
4311 2010-08-19  Ian Lance Taylor  <iant@google.com>
4312
4313         * Makefile.in: Rebuild with automake 1.11.1.
4314         * aclocal.m4: Likewise.
4315         * testsuite/Makefile.in: Likewise.
4316
4317 2010-08-19  Ian Lance Taylor  <iant@google.com>
4318
4319         PR 10893
4320         * i386.cc (class Output_data_plt_i386): Update declarations.
4321         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4322         local_ifuncs_ fields.
4323         (Target_i386::do_plt_section_for_global): New function.
4324         (Target_i386::do_plt_section_for_local): New function.
4325         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4326         parameter; change all callers.  Initialize global_ifuncs_ and
4327         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4328         __rel_iplt_end.
4329         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4330         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4331         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4332         symbols.
4333         (Target_i386::make_plt_section): New function, broken out of
4334         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4335         (Target_i386::make_plt_entry): Call make_plt_section.
4336         (Target_i386::make_local_ifunc_plt_entry): New function.
4337         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4338         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4339         R_386_IRELATIVE to switch.
4340         (Target_i386::Scan::global): Likewise.
4341         (Target_i386::Relocate::relocate): Likewise.
4342         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4343         switch.
4344         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4345         (Target_x86_64::do_plt_section_for_global): New function.
4346         (Target_x86_64::do_plt_section_for_local): New function.
4347         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4348         parameter; change all callers.  If doing a static link define
4349         __rela_iplt_start and __rela_iplt_end.
4350         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4351         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4352         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4353         to point to .plt.
4354         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4355         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4356         switch.
4357         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4358         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4359         R_X86_64_IRELATIVE to switch.
4360         (Target_x86_64::Scan::global): Likewise.
4361         (Target_x86_64::Relocate::relocate): Likewise.
4362         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4363         switch.
4364         * target.h (class Target): Add plt_section_for_global and
4365         plt_section_for_local functions.  Add do_plt_section_for_global
4366         and do_plt_section_for_local virtual functions.
4367         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4368         clarifying comments.
4369         (Symbol::use_plt_offset): Handle IFUNC symbol.
4370         * object.cc (Sized_relobj::Sized_relobj): Initialize
4371         local_plt_offsets_.
4372         (Sized_relobj::local_has_plt_offset): New function.
4373         (Sized_relobj::local_plt_offset): New function.
4374         (Sized_relobj::set_local_plt_offset): New function.
4375         (Sized_relobj::do_count): Handle IFUNC symbol.
4376         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4377         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4378         is_ifunc_symbol functions.
4379         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4380         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4381         local_plt_offsets_ field.
4382         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4383         * output.h (class Output_section_data): Add non-const
4384         output_section function.
4385         (class Output_data_got): Update declarations.
4386         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4387         Add use_plt_offset parameter to global and local constructors.
4388         Change all callers.  Change local_sym_index_ field to 31 bits.
4389         Change GSYM_CODE and CONSTANT_CODE accordingly.
4390         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4391         doing a static link don't set sh_link field.
4392         (Output_data_got::Got_entry::write): Use PLT offset if
4393         appropriate.
4394         (Output_data_got::add_global_plt): New function.
4395         (Output_data_got::add_local_plt): New function.
4396         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4397         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4398         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4399         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4400         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4401         IFUNC conditional.
4402         * testsuite/ifunc-sel.h: New file.
4403         * testsuite/ifuncmain1.c: New file.
4404         * testsuite/ifuncmain1vis.c: New file.
4405         * testsuite/ifuncmod1.c: New file.
4406         * testsuite/ifuncdep2.c: New file.
4407         * testsuite/ifuncmain2.c: New file.
4408         * testsuite/ifuncmain3.c: New file.
4409         * testsuite/ifuncmod3.c: New file.
4410         * testsuite/ifuncmain4.c: New file.
4411         * testsuite/ifuncmain5.c: New file.
4412         * testsuite/ifuncmod5.c: New file.
4413         * testsuite/ifuncmain6pie.c: New file.
4414         * testsuite/ifuncmod6.c: New file.
4415         * testsuite/ifuncmain7.c: New file.
4416         * configure, testsuite/Makefile.in: Rebuild.
4417
4418 2010-08-18  Ian Lance Taylor  <iant@google.com>
4419
4420         * incremental.cc
4421         (Output_section_incremental_inputs::write_input_files): Add cast
4422         to avoid signed/unsigned comparison warning.
4423         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4424
4425 2010-08-12  Cary Coutant  <ccoutant@google.com>
4426
4427         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4428
4429 2010-08-13  Ian Lance Taylor  <iant@google.com>
4430
4431         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4432
4433 2010-08-12  Cary Coutant  <ccoutant@google.com>
4434             Doug Kwan  <dougkwan@google.com>
4435
4436         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4437         defintion overrides non-weak undef, remember that the original undef
4438         is not weak.
4439         * symtab.cc (Symbol_table::sized_write_global): For undef without
4440         an original weak binding, set binding to global in output.
4441         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4442         * testsuite/Makefile.in: Regenerate.
4443         * testsuite/strong_ref_weak_def.sh: New file.
4444         * testsuite/strong_ref_weak_def_1.c: Ditto.
4445         * testsuite/strong_ref_weak_def_2.c: Ditto.
4446
4447 2010-08-12  Cary Coutant  <ccoutant@google.com>
4448
4449         * testsuite/incremental_test.sh: Rewrite.
4450         * testsuite/incremental_test_1.c: Rewrite.
4451         * testsuite/incremental_test_2.c: Rewrite.
4452
4453 2010-08-12  Cary Coutant  <ccoutant@google.com>
4454
4455         * arm.cc (Target_arm::got_size): Add const.
4456         (Target_arm::got_entry_count): New function.
4457         (Target_arm::plt_entry_count): New function.
4458         (Target_arm::first_plt_entry_offset): New function.
4459         (Target_arm::plt_entry_size): New function.
4460         (Output_data_plt_arm::entry_count): New function.
4461         (Output_data_plt_arm::first_plt_entry_offset): New function.
4462         (Output_data_plt_arm::get_plt_entry_size): New function.
4463         * i386.cc (Target_i386::got_size): Add const.
4464         (Target_i386::got_entry_count): New function.
4465         (Target_i386::plt_entry_count): New function.
4466         (Target_i386::first_plt_entry_offset): New function.
4467         (Target_i386::plt_entry_size): New function.
4468         (Output_data_plt_i386::entry_count): New function.
4469         (Output_data_plt_i386::first_plt_entry_offset): New function.
4470         (Output_data_plt_i386::get_plt_entry_size): New function.
4471         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4472         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4473         * incremental.cc: Include target.h.
4474         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4475         parameter.  Adjust all callers.  Find incremental_got_plt section.
4476         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4477         section.
4478         (Output_section_incremental_inputs::set_final_data_size): Calculate
4479         size of incremental_got_plt section.
4480         (Output_section_incremental_inputs::do_write): Write the
4481         incremental_got_plt section.
4482         (Got_plt_view_info): New struct.
4483         (Local_got_offset_visitor): New class.
4484         (Global_got_offset_visitor): New class.
4485         (Global_symbol_visitor_got_plt): New class.
4486         (Output_section_incremental_inputs::write_got_plt): New function.
4487         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4488         Add parameter.  Adjust all callers.
4489         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4490         (Incremental_inputs::got_plt_section): New function.
4491         (Incremental_inputs::got_plt_section_): New data member.
4492         (Incremental_got_plt_reader): New class.
4493         * layout.cc (Layout::create_incremental_info_sections): Add the
4494         incremental_got_plt section.
4495         * object.h (Got_offset_list::get_list): New function.
4496         (Got offset_list::for_all_got_offsets): New function.
4497         (Sized_relobj::local_got_offset_list): New function.
4498         * powerpc.cc (Target_powerpc::got_size): Add const.
4499         (Target_powerpc::got_entry_count): New function.
4500         (Target_powerpc::plt_entry_count): New function.
4501         (Target_powerpc::first_plt_entry_offset): New function.
4502         (Target_powerpc::plt_entry_size): New function.
4503         (Output_data_plt_powerpc::entry_count): New function.
4504         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4505         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4506         * sparc.cc (Target_sparc::got_size): Add const.
4507         (Target_sparc::got_entry_count): New function.
4508         (Target_sparc::plt_entry_count): New function.
4509         (Target_sparc::first_plt_entry_offset): New function.
4510         (Target_sparc::plt_entry_size): New function.
4511         (Output_data_plt_sparc::entry_count): New function.
4512         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4513         (Output_data_plt_sparc::get_plt_entry_size): New function.
4514         * symtab.h (Symbol::got_offset_list): New function.
4515         (Symbol_table::for_all_symbols): New function.
4516         * target.h (Sized_target::got_entry_count): New function.
4517         (Sized_target::plt_entry_count): New function.
4518         (Sized_target::plt_entry_size): New function.
4519         * x86_64.cc (Target_x86_64::got_size): Add const.
4520         (Target_x86_64::got_entry_count): New function.
4521         (Target_x86_64::plt_entry_count): New function.
4522         (Target_x86_64::first_plt_entry_offset): New function.
4523         (Target_x86_64::plt_entry_size): New function.
4524         (Output_data_plt_x86_64::entry_count): New function.
4525         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4526         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4527
4528 2010-08-12  Cary Coutant  <ccoutant@google.com>
4529
4530         * archive.cc: Include incremental.h.
4531         (Archive::Archive): Initialize incremental_info_.
4532         (Archive::include_member): Record archive members in incremental info.
4533         (Add_archive_symbols::run): Record begin and end of an archive in
4534         incremental info.
4535         (Lib_group::include_member): Record objects in incremental info.
4536         * archive.h (Incremental_archive_entry): Forward declaration.
4537         (Archive::set_incremental_info): New member function.
4538         (Archive::incremental_info): New member function.
4539         (Archive::Unused_symbol_iterator): New class.
4540         (Archive::unused_symbols_begin): New member function.
4541         (Archive::unused_symbols_end): New member function.
4542         (Archive::incremental_info_): New data member.
4543         * incremental-dump.cc (find_input_containing_global): New function.
4544         (dump_incremental_inputs): Dump new incremental info sections.
4545         * incremental.cc: Include symtab.h.
4546         (Output_section_incremental_inputs): New class.
4547         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4548         new incremental info sections.
4549         (Sized_incremental_binary::do_check_inputs): Likewise.
4550         (Incremental_inputs::report_archive): Remove.
4551         (Incremental_inputs::report_archive_begin): New function.
4552         (Incremental_inputs::report_archive_end): New function.
4553         (Incremental_inputs::report_object): New function.
4554         (Incremental_inputs::finalize_inputs): Remove.
4555         (Incremental_inputs::report_input_section): New function.
4556         (Incremental_inputs::report_script): Rewrite.
4557         (Incremental_inputs::finalize): Do nothing but finalize string table.
4558         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4559         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4560         (Incremental_inputs::create_data_sections): New function.
4561         (Incremental_inputs::relocs_entsize): New function.
4562         (Output_section_incremental_inputs::set_final_data_size): New function.
4563         (Output_section_incremental_inputs::do_write): New function.
4564         (Output_section_incremental_inputs::write_header): New function.
4565         (Output_section_incremental_inputs::write_input_files): New function.
4566         (Output_section_incremental_inputs::write_info_blocks): New function.
4567         (Output_section_incremental_inputs::write_symtab): New function.
4568         * incremental.h (Incremental_script_entry): Forward declaration.
4569         (Incremental_object_entry): Forward declaration.
4570         (Incremental_archive_entry): Forward declaration.
4571         (Incremental_inputs): Forward declaration.
4572         (Incremental_inputs_header_data): Remove.
4573         (Incremental_inputs_header): Remove.
4574         (Incremental_inputs_header_write): Remove.
4575         (Incremental_inputs_entry_data): Remove.
4576         (Incremental_inputs_entry): Remove.
4577         (Incremental_inputs_entry_write): Remove.
4578         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4579         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4580         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4581         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4582         Likewise.
4583         (Incremental_input_entry): New class.
4584         (Incremental_script_entry): New class.
4585         (Incremental_object_entry): New class.
4586         (Incremental_archive_entry): New class.
4587         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4588         (Incremental_inputs::report_inputs): Remove.
4589         (Incremental_inputs::report_archive): Remove.
4590         (Incremental_inputs::report_archive_begin): New function.
4591         (Incremental_inputs::report_archive_end): New function.
4592         (Incremental_inputs::report_object): Change prototype.
4593         (Incremental_inputs::report_input_section): New function.
4594         (Incremental_inputs::report_script): Change prototype.
4595         (Incremental_inputs::get_reloc_count): New function.
4596         (Incremental_inputs::set_reloc_count): New function.
4597         (Incremental_inputs::create_data_sections): New function.
4598         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4599         (Incremental_inputs::inputs_section): New function.
4600         (Incremental_inputs::symtab_section): New function.
4601         (Incremental_inputs::relocs_section): New function.
4602         (Incremental_inputs::get_stringpool): Add const.
4603         (Incremental_inputs::command_line): Add const.
4604         (Incremental_inputs::inputs): Remove.
4605         (Incremental_inputs::command_line_key): New function.
4606         (Incremental_inputs::input_file_count): New function.
4607         (Incremental_inputs::input_files): New function.
4608         (Incremental_inputs::relocs_entsize): New function.
4609         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4610         (Incremental_inputs::finalize_inputs): Remove.
4611         (Incremental_inputs::Input_info): Remove.
4612         (Incremental_inputs::lock_): Remove.
4613         (Incremental_inputs::inputs_): Change type.
4614         (Incremental_inputs::inputs_map_): Remove.
4615         (Incremental_inputs::current_object_entry_): New data member.
4616         (Incremental_inputs::inputs_section_): New data member.
4617         (Incremental_inputs::symtab_section_): New data member.
4618         (Incremental_inputs::relocs_section_): New data member.
4619         (Incremental_inputs::reloc_count_): New data member.
4620         (Incremental_inputs_reader): New class.
4621         (Incremental_symtab_reader): New class.
4622         (Incremental_relocs_reader): New class.
4623         * layout.cc (Layout::finalize): Move finalization of incremental info
4624         and creation of incremental info sections to follow finalization of
4625         symbol table.  Set offsets for postprocessing sections.
4626         (Layout::create_incremental_info_sections): Call
4627         Incremental_inputs::create_data_sections.  Add incremental symtab
4628         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4629         sections to layout after input sections.
4630         * layout.h (struct Timespec): Forward declaration.
4631         (Layout::incremental_inputs): Add const.
4632         (Layout::create_incremental_info_sections): Add parameter.
4633         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4634         * object.cc: Include incremental.h.
4635         (Relobj::finalize_incremental_relocs): New function.
4636         (Sized_relobj::do_layout): Record input sections in incremental info.
4637         * object.h (Object::output_section): New function.
4638         (Object::output_section_offset): Moved from Relobj.
4639         (Object::get_incremental_reloc_base): New function.
4640         (Object::get_incremental_reloc_count): New function.
4641         (Object::do_output_section): New function.
4642         (Object::do_output_section_offset): Moved from Relobj.
4643         (Object::do_get_incremental_reloc_base): New function.
4644         (Object::do_get_incremental_reloc_count): New function.
4645         (Object::Object): Initialize new data members.
4646         (Relobj::output_section): Renamed do_output_section and moved to
4647         protected.
4648         (Relobj::output_section_offset): Moved to Object.
4649         (Relobj::do_get_incremental_reloc_base): New function.
4650         (Relobj::do_get_incremental_reloc_count): New function.
4651         (Relobj::allocate_incremental_reloc_counts): New function.
4652         (Relobj::count_incremental_reloc): New function.
4653         (Relobj::finalize_incremental_relocs): New function.
4654         (Relobj::next_incremental_reloc_index): New function.
4655         (Relobj::reloc_counts_): New data member.
4656         (Relobj::reloc_bases_): New data member.
4657         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4658         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4659         (Sized_relobj::incremental_relocs_scan): New function.
4660         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4661         (Sized_relobj::incremental_relocs_write): New function.
4662         (Sized_relobj::incremental_relocs_write_reltype): New function.
4663         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4664         incremental link.
4665         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4666         archives and object files elsewhere.
4667         (Add_symbols::run): Report object files here.
4668         (Finish_group::run): Report end of archive at end of group.
4669         * reloc.cc: Include layout.h, incremental.h.
4670         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4671         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4672         (Sized_relobj::incremental_relocs_scan): New function.
4673         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4674         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4675         (Sized_relobj::incremental_relocs_write): New function.
4676         (Sized_relobj::incremental_relocs_write_reltype): New function.
4677         * script.cc (read_input_script): Rewrite test for incremental link.
4678         Change call to Incremental_inputs::report_script.
4679         * symtab.h (Symbol_table::first_global_index): New function.
4680         (Symbol_table::output_count): New function.
4681
4682 2010-08-12  Doug Kwan  <dougkwan@google.com>
4683
4684         * arm.cc (Target_arm::merge_object_attributes): Check command line
4685         options --no-wchar-size-warning and --no-enum-size-warning.
4686         * options.h (General_options): Add ld-compatible options
4687         --no-enum-size-warning and --no-wchar-size-warning.
4688
4689 2010-08-04  Ian Lance Taylor  <iant@google.com>
4690
4691         * x86_64.cc (Target_x86_64::Scan::local): Use
4692         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4693         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4694         (Target_x86_64::Scan::global): Likewise.
4695         (Target_x86_64::Relocate::relocate): Likewise.
4696         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4697         Likewise.
4698
4699 2010-08-03  Cary Coutant  <ccoutant@google.com>
4700
4701         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4702         to reserve space in merged_strings vector. Keep total input size
4703         for stats.
4704         (Output_merge_string::do_print_merge_stats): Print total input size.
4705         * merge.h (Output_merge_string): Add input_size_ field.
4706         * stringpool.cc (Stringpool_template::string_length): Move
4707         implementations out of Stringpool_template class and place in
4708         stringpool.h.
4709         * stringpool.h (string_length): Move out of Stringpool_template.
4710
4711 2010-08-03  Ian Lance Taylor  <iant@google.com>
4712
4713         PR 11712
4714         * layout.cc (relaxation_loop_body): If address of load segment is
4715         set, adjust address to include headers if possible.
4716
4717 2010-08-03  Ian Lance Taylor  <iant@google.com>
4718
4719         * version.cc (version_string): Bump to 1.10.
4720
4721 2010-08-03  Ian Lance Taylor  <iant@google.com>
4722
4723         PR 11805
4724         * layout.h (enum Output_section_order): Define.
4725         (class Layout): Update declarations.
4726         * layout.cc (Layout::get_output_section): Add order parameter.
4727         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4728         is_first_non_relro parameters.  Change all callers.
4729         (Layout::choose_output_section): Likewise.
4730         (Layout::add_output_section_data): Likewise.
4731         (Layout::make_output_section): Likewise.  Set order.
4732         (Layout::default_section_order): New function.
4733         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4734         * output.cc (Output_section::Output_section): Initialize order_.
4735         Don't initialize deleted fields.
4736         (Output_segment::Output_segment): Don't initialize deleted
4737         fields.
4738         (Output_segment::add_output_section_to_load): New function
4739         replacing add_output_section.  Change all callers to call this or
4740         add_output_section_to_nonload.
4741         (Output_segment::add_output_section_to_nonload): New function.
4742         (Output_segment::remove_output_section): Rewrite.
4743         (Output_segment::add_initial_output_data): Likewise.
4744         (Output_segment::has_any_data_sections): Likewise.
4745         (Output_segment::is_first_section_relro): Likewise.
4746         (Output_segment::maximum_alignment): Likewise.
4747         (Output_segment::has_dynamic_reloc): New function replacing
4748         dynamic_reloc_count.  Change all callers.
4749         (Output_segment::has_dynamic_reloc_list): New function replacing
4750         dynamic_reloc_count_list.  Change all callers.
4751         (Output_segment::set_section_addresses): Rewrite.
4752         (Output_segment::set_offset): Rewrite.
4753         (Output_segment::find_first_and_last_list): Remove.
4754         (Output_segment::set_tls_offsets): Rewrite.
4755         (Output_segment::first_section_load_address): Likewise.
4756         (Output_segment::output_section_count): Likewise.
4757         (Output_segment::section_with_lowest_load_address): Likewise.
4758         (Output_segment::write_section_headers): Likewise.
4759         (Output_segment::print_sections_to_map): Likewise.
4760         * output.h (class Output_data): Remove dynamic_reloc_count_
4761         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4762         (Output_data::add_dynamic_reloc): Rewrite.
4763         (Output_data::has_dynamic_reloc): New function.
4764         (Output_data::dynamic_reloc_count): Remove.
4765         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4766         is_last_relro_, is_first_non_relro_, is_interp_,
4767         is_dynamic_linker_section_ fields.  Add order and set_order
4768         functions.  Remove is_relro_local, set_is_relro_local,
4769         is_last_relro, set_is_last_relro, is_first_non_relro,
4770         set_is_first_non_relro functions, is_interp, set_is_interp,
4771         is_dynamic_linker_section, and set_is_dynamic_linker_section
4772         functions.
4773         (class Output_segment): Change Output_data_list from std::list to
4774         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4775         output_bss_ fields.  Update declarations.
4776
4777 2010-08-02  Ian Lance Taylor  <iant@google.com>
4778
4779         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4780         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4781         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4782
4783 2010-08-02  Ian Lance Taylor  <iant@google.com>
4784
4785         PR 11855
4786         * script.cc (Script_options::Script_options): Initialize
4787         symbol_definitions_ and symbol_references_.
4788         (Script_options::add_symbol_assignment): Update
4789         symbol_definitions_ and symbol_references_.
4790         (Script_options::add_symbol_reference): New function.
4791         (script_symbol): New function.
4792         * script.h (class Script_options): Add symbol_definitions_ and
4793         symbol_references_ fields.
4794         (Script_options::referenced_const_iterator): New type.
4795         (Script_options::referenced_begin): New function.
4796         (Script_options::referenced_end): New function.
4797         (Script_options::is_referenced): New function.
4798         (Script_options::any_unreferenced): New function.
4799         * script-c.h (script_symbol): Declare.
4800         * yyscript.y (exp): Call script_symbol.
4801         * symtab.cc: Include "script.h".
4802         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4803         Change all callers.  Check symbols referenced by scripts.
4804         (Symbol_table::add_undefined_symbols_from_command_line): Add
4805         layout parameter.  Change all callers.
4806         (Symbol_table::do_add_undefined_symbols_from_command_line):
4807         Likewise.  Break out loop body.  Check symbols referenced by
4808         scripts.
4809         (Symbol_table::add_undefined_symbol_from_command_line): New
4810         function broken out of
4811         do_add_undefined_symbols_from_command_line.
4812         * symtab.h (class Symbol_table): Update declarations.
4813         * archive.cc: Include "layout.h".
4814         (Archive::should_include_member): Add layout parameter.  Change
4815         all callers.  Check for symbol mentioned in expression.
4816         * archive.h (class Archive): Update declaration.
4817         * object.cc (Sized_relobj::do_should_include_member): Add layout
4818         parameter.
4819         * object.h (Object::should_include_member): Add layout parameter.
4820         Change all callers.
4821         (Object::do_should_include_member): Add layout parameter.
4822         (class Sized_relobj): Update declaration.
4823         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4824         parameter.
4825         * dynobj.h (class Sized_dynobj): Update declaration.
4826         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4827         layout parameter.
4828         * plugin.h (class Sized_pluginobj): Update declaration.
4829
4830 2010-08-02  Ian Lance Taylor  <iant@google.com>
4831
4832         PR 11866
4833         * output.cc (Output_segment::set_offset): Search for the first and
4834         last sections rather than assuming that the list is in order.
4835         (Output_segment::find_first_and_last_list): New function.
4836         * output.h (class Output_segment): Update declarations.
4837         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4838         (relro_strip_test_SOURCES): New variable.
4839         (relro_strip_test_DEPENDENCIES): New variable.
4840         (relro_strip_test_LDFLAGS): New variable.
4841         (relro_strip_test_LDADD): New variable.
4842         (relro_strip_test.so): New target.
4843
4844 2010-08-02  Ian Lance Taylor  <iant@google.com>
4845
4846         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4847         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4848         (Target_i386::got_tlsdesc_section): New function.
4849         (Target_i386::got_section): Create space for GOT entries for
4850         TLSDESC relocations.
4851         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4852         R_386_TLS_GOTDESC.
4853         (Target_i386::Scan::global): Likewise.
4854         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4855         using TLSDESC GOT.
4856         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4857         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4858         (Target_x86_64::got_tlsdesc_section): New function.
4859         (Target_x86_64::got_section): Create space for GOT entries for
4860         TLSDESC relocations.
4861         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4862         R_386_TLS_GOTDESC.
4863         (Target_x86_64::Scan::global): Likewise.
4864         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4865         using TLSDESC GOT.
4866
4867 2010-08-02  Ian Lance Taylor  <iant@google.com>
4868
4869         * testsuite/final_layout.sh: Use dc to convert from hex to
4870         decimal.
4871
4872 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4873
4874         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4875         paramter to the call to gold::gc_process_relocs.
4876         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4877         paramter to the call to gold::gc_process_relocs.
4878         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4879         parameter to the call to gold::gc_process_relocs.
4880         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4881         template parameter to the call to gold::gc_process_relocs.
4882         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4883         paramter to the call to gold::gc_process_relocs.
4884         * gc.h (get_embedded_addend_size): New function.
4885         (gc_process_relocs): Save the size of the reloc for use by ICF.
4886         * icf.cc (get_section_contents): Get the addend from the text section
4887         for SHT_REL relocation sections.
4888         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4889         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4890         * int_encoding.h (read_from_pointer): New overloaded function.
4891         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4892         * testsuite/icf_sht_rel_addend_test.sh: New file.
4893         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4894         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4895
4896 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4897
4898         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4899         * Makefile.in: Regenerate.
4900         * testsuite/Makefile.in: Regenerate.
4901
4902 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4903
4904         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4905         * gold/testsuite/debug_msg.cc: Likewise.
4906         * gold/testsuite/odr_violation1.cc
4907         * gold/testsuite/odr_violation2.cc
4908
4909 2010-07-21  Cary Coutant  <ccoutant@google.com>
4910
4911         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4912         string, and length fields.
4913         (Output_merge_string::Merged_strings_list): New type.
4914         (Output_merge_string::Merged_strings_lists): New typedef.
4915         (Output_merge_string): Replace merged_strings_ with
4916         merged_strings_lists_.
4917         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4918         Merged_strings_list per input object and section.  Don't store pointer
4919         to the string.  Don't store length with each merged string entry.
4920         (Output_merge_string::finalize_merged_data): Loop over list of merged
4921         strings lists.  Recompute length of each merged string.
4922
4923 2010-07-15  Cary Coutant  <ccoutant@google.com>
4924
4925         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4926         here.
4927
4928 2010-07-14  Ian Lance Taylor  <iant@google.com>
4929
4930         * descriptors.cc (Descriptors::open): Report correct name in error
4931         message.
4932
4933 2010-07-13  Doug Kwan  <dougkwan@google.com>
4934
4935         * arm.cc (Arm_input_section::Arm_input_section): For a
4936         SHT_ARM_EXIDX section, always keeps the input sections.
4937         (Arm_input_section::set_exidx_section_link): New method.
4938         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4939         has_errors_ to false.
4940         (Arm_exidx_input_section::has_errors,
4941         Arm_exidx_input_section::set_has_errors): New methods.
4942         (Arm_exidx_input_section::has_errors_): New data member.
4943         (Arm_relobj::get_exidx_shndx_list): New method.
4944         (Arm_output_section::append_text_sections_to_list): Do not skip
4945         section without SHF_EXECINSTR.
4946         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4947         errors.
4948         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4949         section header.  Make error messages more verbose.  Check for
4950         a non-executable section linked to an EXIDX section.
4951         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4952         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4953         check that there is no deferred EXIDX section if we exit early.
4954         Instead of not making an EXIDX section in case of an error, make one
4955         and set the has_errors flag of it.
4956         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4957         in a relocatable link.
4958         (Target_arm::do_relax): Look for the EXIDX output section instead of
4959         assuming that it is called .ARM.exidx.
4960         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4961         section list.  Do not check for SHF_EXECINSTR section flags but
4962         skip any input section with errors.
4963         * output.cc (Output_section::Output_section): Initialize
4964         always_keeps_input_sections_ to false.
4965         (Output_section::add_input_section): Check for
4966         always_keeps_input_sections_.
4967         *  output.h (Output_section::always_keeps_input_sections,
4968         Output_section::set_always_keeps_input_sections): New methods.
4969         (Output_section::always_keeps_input_sections): New data member.
4970
4971 2010-07-13  Rafael Espindola  <espindola@google.com>
4972
4973         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4974         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4975
4976 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4977             Ian Lance Taylor  <iant@google.com>
4978
4979         * output.h (Output_section_lookup_maps::add_merge_section):
4980         Correct check of whether value was inserted.
4981         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4982         (Output_section_lookup_maps::add_relaxed_input_section):
4983         Likewise.
4984         * arm.cc (Target_arm::got_section): Remove used local os.
4985         * i386.cc (Target_i386::got_section): Likewise.
4986         * x86_64.cc (Target_x86_64::got_section): Likewise.
4987         * sparc.cc (Target_sparc::got_section): Likewise.
4988         (Target_sparc::relocate): Remove unused local have_got_offset.
4989         * powerpc.cc (Target_powerpc::relocate): Likewise.
4990
4991 2010-07-13  Ian Lance Taylor  <iant@google.com>
4992
4993         * compressed_output.cc (zlib_decompress): Fix signature in
4994         !HAVE_ZLIB_H case.
4995
4996         * archive.cc (Archive::include_member): Unlock an external member
4997         of a thin archive.  Don't bother to delete an object we know is
4998         NULL.
4999
5000 2010-07-12  Cary Coutant  <ccoutant@google.com>
5001
5002         * compressed_output.cc (zlib_decompress): New function.
5003         (get_uncompressed_size): New function.
5004         (decompress_input_section): New function.
5005         * compressed_output.h (get_uncompressed_size): New function.
5006         (decompress_input_section): New function.
5007         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5008         Handle compressed debug sections.
5009         * layout.cc (is_compressed_debug_section): New function.
5010         (Layout::output_section_name): Map compressed section names to
5011         canonical names.
5012         * layout.h (is_compressed_debug_section): New function.
5013         (is_debug_info_section): Recognize compressed debug sections.
5014         * merge.cc: Include compressed_output.h.
5015         (Output_merge_data::do_add_input_section): Handle compressed
5016         debug sections.
5017         (Output_merge_string::do_add_input_section): Handle compressed
5018         debug sections.
5019         * object.cc: Include compressed_output.h.
5020         (Sized_relobj::Sized_relobj): Initialize new data members.
5021         (build_compressed_section_map): New function.
5022         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5023         * object.h (Object::section_is_compressed): New method.
5024         (Object::do_section_is_compressed): New method.
5025         (Sized_relobj::Compressed_section_map): New type.
5026         (Sized_relobj::do_section_is_compressed): New method.
5027         (Sized_relobj::compressed_sections_): New data member.
5028         * output.cc (Output_section::add_input_section): Handle compressed
5029         debug sections.
5030         * reloc.cc: Include compressed_output.h.
5031         (Sized_relobj::write_sections): Handle compressed debug sections.
5032
5033 2010-07-08  Cary Coutant  <ccoutant@google.com>
5034
5035         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5036         weak when resolving to a dynamic def.
5037         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5038         for weak undef/dynamic def cases. Adjust callers.
5039         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5040         undef_binding_weak_.
5041         (Symbol_table::sized_write_globals): Adjust symbol binding.
5042         (Symbol_table::sized_write_symbol): Add binding parameter.
5043         * symtab.h (Symbol::set_undef_binding): New method.
5044         (Symbol::is_undef_binding_weak): New method.
5045         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5046         (Symbol_table::should_override): Add new parameter.
5047         (Symbol_table::sized_write_symbol): Add new parameter.
5048
5049         * testsuite/weak_undef_file1.cc: Add new test case.
5050         * testsuite/weak_undef_file2.cc: Fix header comment.
5051         * testsuite/weak_undef_test.cc: Add new test case.
5052
5053 2010-06-29  Doug Kwan  <dougkwan@google.com>
5054
5055         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5056         Initialize USE_SYMBOL_.
5057         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5058         definition.
5059         (Arm_reloc_property::uses_symbol_): New data member declaration.
5060         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5061         uses symbol value and symbol is undefined but not weakly undefined.
5062
5063 2010-06-28  Rafael Espindola  <espindola@google.com>
5064
5065         * plugin.cc (Plugin::load): Use dlerror.
5066
5067 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5068
5069         * symtab.cc (detect_odr_violations): When reporting an ODR
5070         violation, report an object where the symbol is defined.
5071
5072 2010-06-25  Doug Kwan  <dougkwan@google.com>
5073
5074         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5075         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5076         definition.
5077         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5078         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5079         target hook to detect function points.
5080         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5081         * icf.h (Icf::check_section_for_function_pointers): Change type of
5082         parameter SECTION_NAME to const reference to std::string.  Use
5083         target hook to determine if section may have unsafe pointers.
5084         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5085         method definition.
5086
5087 2010-06-21  Rafael Espindola  <espindola@google.com>
5088
5089         * fileread.cc (Input_file::find_fie): New
5090         (Input_file::open): Use Input_file::find_fie.
5091         * fileread.h (Input_file::find_fie): New
5092         * plugin.cc (set_extra_library_path): New.
5093         (Plugin::load): Add set_extra_library_path to the transfer vector.
5094         (Plugin_manager::set_extra_library_path): New.
5095         (Plugin_manager::add_input_file): Use the extra search path if set.
5096         (set_extra_library_path(): New.
5097         * plugin.h (Plugin_manager): Add set_extra_library_path and
5098         extra_search_path_.
5099
5100 2010-06-19  Cary Coutant  <ccoutant@google.com>
5101
5102         * layout.cc (gdb_sections): Add .debug_types.
5103         (lines_only_debug_sections): Likewise.
5104
5105 2010-06-18  Rafael Espindola  <espindola@google.com>
5106
5107         * plugin.cc (add_input_file,add_input_library)
5108         (Plugin_manager::add_input_file): Make filename arguments const.
5109         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5110         const.
5111
5112 2010-06-16  Doug Kwan  <dougkwan@google.com>
5113
5114         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5115         .ARM.attributes section if we have not merged any input
5116         attributes sections.
5117
5118 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5119
5120         * arm.cc: Allow combining objects with no EABI version
5121         information.
5122
5123 2010-06-15  Rafael Espindola  <espindola@google.com>
5124
5125         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5126
5127 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5128
5129         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5130         (struct iovec): Correct !HAVE_READV definition.
5131
5132 2010-06-10  Cary Coutant  <ccoutant@google.com>
5133
5134         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5135         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5136         reloc sections.
5137         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5138
5139         PR 11683
5140         * symtab.h (Symbol::is_placeholder): New member function.
5141         * target-reloc.h (relocate_section): Check for placeholder symbols.
5142
5143         * testsuite/Makefile.am (plugin_test_8): New test.
5144         (plugin_test_9): New test.
5145         * testsuite/Makefile.in: Regenerate.
5146
5147 2010-06-09  Nick Clifton  <nickc@redhat.com>
5148
5149         * yyscript.y (input_list_element): Allow strings prefixed with
5150         the '-' character.  Treat these as libraries.
5151         * script.cc (script_add_library): New function.  Adds a library
5152         specified by "-l<name>" found in an input script.
5153         * script-c.h: Add prototype for script_add_library.
5154
5155 2010-06-07  Doug Kwan  <dougkwan@google.com>
5156
5157         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5158         Restrict stub-group size to be within long conditional branch
5159         range when working around cortex-A8 erratum.
5160
5161 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5162
5163         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5164         #ifdef typo.
5165
5166 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5167
5168         PR gold/11658
5169         * output.cc
5170         (Output_section::Input_section_sort_entry::compare_section_ordering):
5171         Change to return non-zero correctly.
5172         (Output_section::Input_section_sort_section_order_index_compare
5173         ::operator()): Change to fix ambiguity in comparisons.
5174
5175 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5176
5177         * gold.h (is_wildcard_string): New function.
5178         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5179         (Layout::layout_eh_frame): Ditto.
5180         (Layout::find_section_order_index): New method.
5181         (Layout::read_layout_from_file): New method.
5182         * layout.h (Layout::find_section_order_index): New method.
5183         (Layout::read_layout_from_file): New method.
5184         (Layout::input_section_position_): New private member.
5185         (Layout::input_section_glob_): New private member.
5186         * main.cc (main): Call read_layout_from_file here.
5187         * options.h (--section-ordering-file): New option.
5188         * output.cc (Output_section::input_section_order_specified_): New
5189         member.
5190         (Output_section::Output_section): Initialize new member.
5191         (Output_section::add_input_section): Add new parameter.
5192         Keep input sections when --section-ordering-file is used.
5193         (Output_section::set_final_data_size): Sort input sections when
5194         section ordering file is specified.
5195         (Output_section::Input_section_sort_entry): Add new parameter.
5196         Check sorting type.
5197         (Output_section::Input_section_sort_entry::compare_section_ordering):
5198         New method.
5199         (Output_section::Input_section_sort_compare::operator()): Change to
5200         consider section_order_index.
5201         (Output_section::Input_section_sort_init_fini_compare::operator()):
5202         Change to consider section_order_index.
5203         (Output_section::Input_section_sort_section_order_index_compare
5204         ::operator()): New method.
5205         (Output_section::sort_attached_input_sections): Change to sort
5206         according to section order when specified.
5207         (Output_section::add_input_section<32, true>): Add new parameter.
5208         (Output_section::add_input_section<64, true>): Add new parameter.
5209         (Output_section::add_input_section<32, false>): Add new parameter.
5210         (Output_section::add_input_section<64, false>): Add new parameter.
5211         * output.h (Output_section::add_input_section): Add new parameter.
5212         (Output_section::input_section_order_specified): New
5213         method.
5214         (Output_section::set_input_section_order_specified): New method.
5215         (Input_section::Input_section): Initialize section_order_index_.
5216         (Input_section::section_order_index): New method.
5217         (Input_section::set_section_order_index): New method.
5218         (Input_section::section_order_index_): New member.
5219         (Input_section::Input_section_sort_section_order_index_compare): New
5220         struct.
5221         (Output_section::input_section_order_specified_): New member.
5222         * script-sections.cc (is_wildcard_string): Delete and move modified
5223         method to gold.h.
5224         (Output_section_element_input::Output_section_element_input): Modify
5225         call to is_wildcard_string.
5226         (Output_section_element_input::Input_section_pattern
5227         ::Input_section_pattern): Ditto.
5228         (Output_section_element_input::Output_section_element_input): Ditto.
5229         * testsuite/Makefile.am (final_layout): New test case.
5230         * testsuite/Makefile.in: Regenerate.
5231         * testsuite/final_layout.cc: New file.
5232         * testsuite/final_layout.sh: New file.
5233
5234 2010-06-01  Rafael Espindola  <espindola@google.com>
5235
5236         * plugin.cc (Plugin::load): Pass the output name to the plugin.
5237
5238 2010-06-01  Rafael Espindola  <espindola@google.com>
5239
5240         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
5241         visibility of symbols.
5242
5243 2010-05-27  Doug Kwan  <dougkwan@google.com>
5244
5245         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
5246         from start of output section instead of address for a local symbol
5247         in a merged or relaxed section when doing a relocatable link.
5248
5249 2010-05-26  Rafael Espindola  <espindola@google.com>
5250
5251        PR 11604
5252         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5253         adding sections the garbage collector removed.
5254         * gold/testsuite/Makefile.am: Add test.
5255         * gold/testsuite/Makefile.in: Regenerate.
5256         * gold/testsuite/plugin_test_7.sh: New.
5257         * gold/testsuite/plugin_test_7_1.c: New.
5258         * gold/testsuite/plugin_test_7_2.c: New.
5259
5260 2010-05-26  Rafael Espindola  <espindola@google.com>
5261
5262         * script-sections.cc (Output_section_definition::set_section_addresses):
5263         Check for --section-start.
5264
5265 2010-05-26  Doug Kwan  <dougkwan@google.com>
5266
5267         * arm.cc (Arm_scan_relocatable_relocs): New class.
5268         (Target_arm::relocate_special_relocatable): New method.
5269         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5270         (Arm_relocate_functions::thumb_branch_common): Same.
5271         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5272         instead of Default_scan_relocatable_relocs.
5273         * target-reloc.h (relocate_for_relocatable): Let target handle
5274         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5275         * target.h (Sized_target::relocate_special_relocatable): New method.
5276
5277 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5278
5279         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5280
5281 2010-05-23  Doug Kwan  <dougkwan@google.com>
5282
5283         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5284         instead of a cast.
5285         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5286         with a direct branch, not a conditional branch, to a stub.
5287         * merge.cc (Output_merge_base::record_input_section): New method
5288         defintion.
5289         (Output_merge_data::do_add_input_section): Record input section if
5290         keeps-input-sections flag is set.
5291         (Output_merge_string::do_add_input_section): Ditto.
5292         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
5293         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
5294         INPUT_SECTIONS_.
5295         (Output_merge_base::keeps_input_sections,
5296         Output_merge_base::set_keeps_input_sections,
5297         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
5298         method definitions.
5299         (Output_merge_base::Input_sections): New type declaration.
5300         (Output_merge_base::input_sections_begin,
5301         Output_merge_base::input_sections_end,
5302         Output_merge_base::do_set_keeps_input_sections): New method definitions.
5303         (Output_merge_base::bool keeps_input_sections_,
5304         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
5305         Output_merge_base::input_sections_): New data members.
5306         (Output_merge_data::do_set_keeps_input_sections): New method
5307         defintion.
5308         (Output_merge_string::do_set_keeps_input_sections): Ditto.
5309         * output.cc (Output_section::Input_section::relobj): Move method
5310         defintion from class declaration to here and handle merge sections.
5311         (Output_section::Input_section::shndx): Ditto.
5312         (Output_section::Output_section): Remove initializations of removed
5313         data members and initialize new data member LOOKUP_MAPS_.
5314         (Output_section::add_input_section): Set keeps-input-sections flag
5315         for a newly created merge output section as appropriate.  Adjust code
5316         to use Output_section_lookup_maps class.
5317         (Output_section::add_relaxed_input_section): Adjst code for lookup
5318         maps code refactoring.
5319         (Output_section::add_merge_input_section): Add a new parameter
5320         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5321         class.  If adding input section to a newly created merge output
5322         section fails, remove the new merge section.
5323         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5324         Adjust code for use of the Output_section_lookup_maps class.
5325         (Output_section::find_merge_section): Ditto.
5326         (Output_section::build_lookup_maps): New method defintion.
5327         (Output_section::find_relaxed_input_section): Adjust code to use
5328         Output_section_lookup_maps class.
5329         (Output_section::get_input_sections): Export merge sections.  Adjust
5330         code to use Output_section_lookup_maps class.
5331         (Output_section:::add_script_input_section): Adjust code to use
5332         Output_section_lookup_maps class.  Update lookup maps for merge
5333         sections also.
5334         (Output_section::discard_states): Use Output_section_lookup_maps.
5335         (Output_section::restore_states): Same.
5336         * output.h (Merge_section_properties): Move class defintion out of
5337         Output_section.
5338         (Output_section_lookup_maps): New class.
5339         (Output_section::Input_section::is_merge_section): New method
5340         defintion.
5341         (Output_section::Input_section::relobj): Move defintion out of class
5342         defintion.  Declare method only.
5343         (Output_section::Input_section::shndx): Ditto.
5344         (Output_section::Input_section::output_merge_base): New method defintion.
5345         (Output_section::Input_section::u2_.pomb): New union field.
5346         (Output_section::Merge_section_by_properties_map,
5347         Output_section::Output_section_data_by_input_section_map,
5348         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5349         Remove types.
5350         (Output_section::add_merge_input_section): Add new parameter
5351         KEEPS_INPUT_SECTIONS.
5352         (Output_section::build_lookup_maps): New method declaration.
5353         (Output_section::merge_section_map_,
5354         Output_section::merge_section_by_properties_map_,
5355         Output_section::relaxed_input_section_map_,
5356         Output_section::is_relaxed_input_section_map_valid_): Remove data
5357         members.
5358         (Output_section::lookup_maps_): New data member.
5359
5360 2010-05-21  Doug Kwan  <dougkwan@google.com>
5361
5362         PR gold/11619
5363         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5364         avoid a compilation error.
5365
5366 2010-05-19  Rafael Espindola  <espindola@google.com>
5367
5368         * script-sections.cc (Output_section_definition::allocate_to_segment):
5369         Update the phdrs_list even when the output section is NULL.
5370         * testsuite/Makefile.am: Add test.
5371         * testsuite/Makefile.in: Regenerate.
5372         * testsuite/script_test_9.cc: New.
5373         * testsuite/script_test_9.sh: New.
5374         * testsuite/script_test_9.t: New.
5375
5376 2010-05-19  Doug Kwan  <dougkwan@google.com>
5377
5378         * arm.cc (Arm_input_section::original_size): New method.
5379         (Arm_input_section::do_addralign): Add a cast.
5380         (Arm_input_section::do_output_offset): Remove static cast.
5381         (Arm_input_section::original_addralign,
5382          Arm_input_section::original_size_): Change type to uint32_t.
5383         (Arm_input_section::init): Add safe casts for section alignment
5384         and size.
5385         (Arm_input_section::set_final_data_size): Do not set address and
5386         offset of stub table.
5387         (Arm_output_section::fix_exidx_coverage): Change use of of
5388         Output_section::Simple_input_section to that of
5389         Output_section::Input_section.
5390         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5391         except for the first pass.
5392         * output.cc (Output_section::get_input_sections): Change type of
5393         input_sections to std::list<Input_section>.
5394         (Output_section::add_script_input_section): Rename from
5395         Output_section::add_simple_input_section.  Change type of SIS
5396         parameter from Simple_input_section to Input_section.
5397         * output.h (Output_section::Simple_input_section): Remove class.
5398         (Output_section::Input_section): Change class visibility to public.
5399         (Output_section::Input_section::addralign): Use stored alignments
5400         for special input sections if set.
5401         (Output_section::Input_section::set_addralign): New method.
5402         (Output_section::get_input_sections): Change parameter type from
5403         list of Simple_input_section to list of Input_section.
5404         (Output_section::add_script_input_section): Rename from
5405         Output_section::add_simple_input_section. Change first parameter's
5406         type from Simple_input_section to Input_section and remove the
5407         second and third parameters.
5408         * script-sections.cc (Input_section::Input_section_list): Change
5409         type to list of Output_section::Input_section/
5410         (Input_section_info::Input_section_info): Change parameter type of
5411         INPUT_SECTION to Output_section::Input_section.
5412         (Input_section_info::input_section): Change return type.
5413         (Input_section_info::input_section_): Change type to
5414         Output_section::Input_section.
5415         (Output_section_element_input::set_section_addresses): Adjust code
5416         to use Output_section::Input_section instead of
5417         Output_section::Simple_input_section.  Adjust code for renaming
5418         of Output_section::add_simple_input_section.
5419         (Orphan_output_section::set_section_addresses): Ditto.
5420
5421 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5422
5423         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5424         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5425
5426 2010-05-18  Rafael Espindola  <espindola@google.com>
5427
5428         * options.cc (General_options::finalize): Handle -nostdlib.
5429         * options.h (nostdlib): New option.
5430         * script.cc (script_add_search_dir): Handle -nostdlib.
5431
5432 2010-05-12  Doug Kwan  <dougkwan@google.com>
5433
5434         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5435         attributes section only if there no attributes section after merging.
5436         (Target_arm::merge_object_attributes): Move value of
5437         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5438         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5439         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5440         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5441         and arm_attr_merge_7.stdout.
5442         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5443         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5444         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5445         arm_attr_merge_7b.o): New rules.
5446         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5447         arm_attr_merge_7
5448         * testsuite/Makefile.in: Regenerate.
5449         * testsuite/arm_attr_merge.sh: New file.
5450         * testsuite/arm_attr_merge_[67][ab].s: Same.
5451
5452 2010-05-05  Nick Clifton  <nickc@redhat.com>
5453
5454         * po/es.po: Updated Spanish translation.
5455
5456 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5457
5458         * Makefile.am (install-exec-local): Properly install gold as
5459         default cross linker.
5460         * Makefile.in: Regenerated.
5461
5462 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5463             Nick Clifton  <nickc@redhat.com>
5464
5465         * configure.ac (install_as_default): Define and set to false
5466         unless --enable-gold or --enable-gold=both/gold has been
5467         specified.
5468         * configure: Regenerate.
5469
5470         * Makefile.am (install-exec-local): Install the executable as
5471         'ld.gold'.  If install_as_default is true then also install it as
5472         'ld'.
5473         * Makefile.in: Regenerated.
5474
5475 2010-04-24  Ian Lance Taylor  <iant@google.com>
5476
5477         * layout.cc (Layout::layout_reloc): In relocatable link don't
5478         combine reloc sections for grouped sections.
5479
5480 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5481
5482         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5483         sections that are not ordinary to icf.
5484         * icf.cc (get_section_contents): Handle relocation pointing to section
5485         with no object or shndx information.
5486         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5487         * testsuite/Makefile.in: Regenerate.
5488         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5489         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5490
5491 2010-04-22  Ian Lance Taylor  <iant@google.com>
5492
5493         * expression.cc (Expression::Expression_eval_info): Add
5494         result_alignment_pointer field.
5495         (Expression::eval_with_dot): Add result_alignment_pointer
5496         parameter.  Change all callers.
5497         (Expression::eval_maybe_dot): Likewise.
5498         (class Binary_expression): Add alignment_pointer parameter to
5499         left_value and right_value.  Change all callers.
5500         (BINARY_EXPRESSION): Set result alignment.
5501         (class Trinary_expression): Add alignment_pointer parameter to
5502         arg2_value and arg3_value.  Change all callers.
5503         (Trinary_cond::value): Set result alignment.
5504         (Max_expression::value, Min_expression::value): Likewise.
5505         (Align_expression::value): Likewise.
5506         * script-sections.cc (class Sections_element): Add dot_alignment
5507         parameter to set_section_addresses virtual function.  Update
5508         instantiations.
5509         (class Output_section_element): Likewise.
5510         (Script_sections::create_segments): Add dot_alignment parameter.
5511         Change all callers.
5512         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5513         (Script_sections::set_phdrs_clause_addresses): Likewise.
5514         * script-sections.h: Update declarations.
5515         * script.h: Update declarations.
5516         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5517         min_p_align.
5518         * testsuite/script_test_3.t: Set large alignment.
5519         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5520         segment has expected alignment.
5521
5522 2010-04-22  Nick Clifton  <nickc@redhat.com>
5523
5524         * po/gold.pot: Updated by the Translation project.
5525         * po/vi.po: Updated Vietnamese translation.
5526
5527 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5528
5529         * testsuite/Makefile.am (check_PROGRAMS): Add
5530         icf_virtual_function_folding_test.
5531         * testsuite/Makefile.in: Regenerated.
5532
5533 2010-04-15  Andrew Haley  <aph@redhat.com>
5534
5535         * options.h (merge_exidx_entries): New option.
5536         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5537         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5538         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5539         (Target_arm::merge_exidx_entries): New function.
5540         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5541         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5542         to Arm_exidx_fixup constructor.
5543         Add new arg, merge_exidx_entries.
5544         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5545         Arm_output_section::fix_exidx_coverage.
5546
5547 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5548
5549         * icf.cc (get_section_contents): Check for preemptible functions.
5550         Ignore addend when appropriate.
5551         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5552         section folded.
5553         (add_from_relobj): Check for section folded.
5554         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5555         * symtab.h (should_add_dynsym_entry): Add new parameter.
5556         * target-reloc.h (scan_relocs): Check for section folded.
5557         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5558         Check reloc types for function pointers in shared objects.
5559         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5560         case.
5561         (icf_preemptible_functions_test): New test case.
5562         (icf_string_merge_test): New test case.
5563         * testsuite.Makefile.in: Regenerate.
5564         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5565         bar_glob.  Refactor code.
5566         * testsuite/icf_preemptible_functions_test.cc: New file.
5567         * testsuite/icf_preemptible_functions_test.sh: New file.
5568         * testsuite/icf_string_merge_test.cc: New file.
5569         * testsuite/icf_string_merge_test.sh: New file.
5570         * testsuite/icf_virtual_function_folding_test.cc: New file.
5571         * testsuite/icf_virtual_function_folding_test.sh: New file.
5572
5573 2010-04-14  Doug Kwan  <dougkwan@google.com>
5574
5575         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5576         for local symbol recounting if we remove a section due to ICF.
5577         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5578         there are no regular objects in input.
5579
5580 2010-04-13  Doug Kwan  <dougkwan@google.com>
5581
5582         * arm.cc (Arm_input_section::set_final_data_size): Compute
5583         accurate final data size instead of using current data size.
5584
5585 2010-04-09  Doug Kwan  <dougkwan@google.com>
5586
5587         * layout.cc (Layout::choose_output_section): Handle script section
5588         types.
5589         (Layout::make_output_section_for_script): Add section type parameter.
5590         Handle script section types.
5591         * layout.h (Layout::make_output_section_for_script): Add section
5592         type parameter.
5593         * output.cc (Output_section::Output_section): Initialize data member
5594         is_noload_.
5595         (Output_section::do_reset_address_and_file_offset): Do not set address
5596         to 0 if section is a NOLOAD section.
5597         * output.h (Output_section::is_noload): New method.
5598         (Output_section::set_is_noload): Ditto.
5599         (Output_section::is_noload_): New data member.
5600         * script-c.h (Script_section_type): New enum type.
5601         (struct Parser_output_section_header): Add new file section_type.
5602         * script-sections.cc (Sections_element::output_section_name): Add
5603         parameter for returning script section type.
5604         (Output_section_definition::output_section_name): Ditto.
5605         (Output_section_definition::section_type)P; New method.
5606         (Output_section_definiton::script_section_type_name): Ditto.
5607         (Output_section_definition::script_section_type_): New data member.
5608         (Output_section_definition::Output_section_definition): Initialize
5609         data member Output_section_definition::script_section_type_.
5610         (Output_section_definition::create_sections): Pass script section type
5611         to Layout::make_output_section_for_script.
5612         (Output_section_definition::output_section_name): Return script
5613         section type to caller.
5614         (Output_section_definition::set_section_address): Do not advance
5615         dot value and load address if section type is NOLOAD.  Set address
5616         of NOLOAD sections regardless of section flags.
5617         (Output_section_definition::print): Print section type if it is
5618         not SCRIPT_SECTION_TYPE_NONE.
5619         (Output_section_definition::section_type): New method.
5620         (Output_section_definition::script_section_type_name): Ditto.
5621         (Script_sections::output_section_name): Add new parameter
5622         PSECTION_TYPE for returning script section type.  Pass it to
5623         section elements.  Handle discard sections.
5624         (Sort_output_sections::operator()): Handle NOLOAD sections.
5625         * script-sections.h (Script_sections::Section_type): New enum type.
5626         (Script_sections::output_section_name): Add a new parameter for
5627         returning script section type.
5628         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5629         INFO and NOLOAD.
5630         * yyscript.y (union): Add new field SECTION_TYPE.
5631         (COPY, DSECT, INFO, NOLOAD): New tokens.
5632         (opt_address_and_section_type): Change type to output_section_header.
5633         (section_type): New non-terminal
5634         (section_header): Handle section type.
5635         (opt_address_and_section_type): Return section type value.
5636
5637 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5638
5639         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5640         * testsuite/plugin_common_test_2.c (foo): Likewise.
5641
5642 2010-04-08  Doug Kwan  <dougkwan@google.com>
5643
5644         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5645         Output_merge_data.
5646         * output.cc (Output_section::add_merge_input_section): Simplify
5647         code and return status of Output_merge_base::add_input_section.
5648         Update merge section map only if Output_merge_base::add_input_section
5649         returns true.
5650
5651 2010-04-07  Doug Kwan  <dougkwan@google.com>
5652
5653         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5654         if section is marked as containing instructions but has no mapping
5655         symbols.
5656         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5657         correct section index.
5658         (Arm_relobj::find_linked_text_section): Ditto.
5659
5660 2010-04-07  Cary Coutant  <ccoutant@google.com>
5661
5662         * archive.cc (include_member): Destroy Read_symbols_data object before
5663         releasing file.
5664         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5665         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5666         (Read_symbols_data::~Read_symbols_data) New destructor.
5667         (Section_relocs::Section_relocs) New constructor.
5668         (Section_relocs::~Section_relocs) New destructor.
5669         (Read_relocs_data::Read_relocs_data) New constructor.
5670         (Read_relocs_data::~Read_relocs_data) New destructor.
5671         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5672         pointers to NULL after deleting.
5673
5674 2010-04-07  Doug Kwan  <dougkwan@google.com>
5675
5676         * arm.cc: Replace "endianity" with "endianness" in comments.
5677         (Arm_exidx_cantunwind): Ditto.
5678         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5679         (Arm_relobj::merge_flags_and_attributes): New method.
5680         (Arm_relobj::merge_flags_and_attributes_): New data member.
5681         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5682         (Arm_relobj::scan_sections_for_stubs): Ditto.
5683         (Arm_relobj::do_read_symbols): Check to see if we really want to
5684         merge processor-specific flags and attributes.  Exit early if
5685         an object is empty except for section names and the undefined symbol.
5686         (Target_arm::do_finalize_sections): Move check for ELF format to
5687         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5688         attributes from a regular object only when we have determined that
5689         it is aapropriate.  Do not create an .ARM.attributes section in
5690         output if there is no regular input object.
5691         (Target_arm::merge_processor_specific_flags): Check
5692         --warn-mismatch before printing any error.
5693         (Target_arm::merge_object_attributes): Ditto.
5694         * gold.cc (queue_middle_tasks): Handle the case in which there is
5695         no regular object in input.
5696         * options.cc (General_options::parse_EB): New method.
5697         (General_options::parse_EL): Same.
5698         (General_options::General_options): Initialize endianness_.
5699         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5700         New options.
5701         (General_options::Endianness): New enum.
5702         (General_options::endianness): New method.
5703         (General_options::endianness_): New data member.
5704         * parameters.cc (Parameters::set_options): Check target endianness.
5705         (Parameters::set_target_once): Ditto.
5706         (Parameters::check_target_endianness): New method.
5707         (parameters_force_valid_target): If either -EL or -EB is specified,
5708         use it to define endianness of default target.
5709         * parameters.h (Parameters::check_target_endianness): New method
5710         declaration.
5711         * target.h (class Target): Change "endianity" to "endianness"
5712         in comments.
5713
5714 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5715
5716         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5717         * configure: Regenerate.
5718         * Makefile.in: Regenerate.
5719         * testsuite/Makefile.in: Regenerate.
5720
5721 2010-04-06  Cary Coutant  <ccoutant@google.com>
5722
5723         gcc PR lto/42757
5724         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5725         prevailing definitions of common symbols.
5726         * testsuite/plugin_test_6.sh: New test case.
5727         * testsuite/plugin_common_test_1.c: New test case.
5728         * testsuite/plugin_common_test_2.c: New test case.
5729         * testsuite/Makefile.am (plugin_test_6): New test case.
5730         * testsuite/Makefile.in: Regenerate.
5731
5732 2010-04-06  Nick Clifton  <nickc@redhat.com>
5733
5734         * po/vi.po: New Vietnamese translation.
5735
5736 2010-03-30  Doug Kwan  <dougkwan@google.com>
5737
5738         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5739
5740 2010-03-25  Doug Kwan  <dougkwan@google.com>
5741
5742         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5743         to avoid a conversion warning on a 32-bit host.
5744
5745 2010-03-24  Ian Lance Taylor  <iant@google.com>
5746
5747         * testsuite/script_test_3.t: Add a TLS segment.
5748         * testsuite/Makefile.am (check_PROGRAMS): Add
5749         tls_phdrs_script_test.
5750         (tls_phdrs_script_test_SOURCES): Define.
5751         (tls_phdrs_script_test_DEPENDENCIES): Define.
5752         (tls_phdrs_script_test_LDFLAGS): Define.
5753         (tls_phdrs_script_test_LDADD): Define.
5754         * testsuite/Makefile.in: Rebuild.
5755
5756 2010-03-23  Cary Coutant  <ccoutant@google.com>
5757
5758         * fileread.cc (find_or_make_view): Fix comment.
5759
5760 2010-03-23  Ian Lance Taylor  <iant@google.com>
5761
5762         * script-sections.cc (class Orphan_section_placement): Define
5763         PLACE_TLS and PLACE_TLS_BSS.
5764         (Orphan_section_placement::Orphan_section_placement): Initialize
5765         new places.
5766         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5767         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5768         (tls_script_test_SOURCES): Define.
5769         (tls_script_test_DEPENDENCIES): Define.
5770         (tls_script_test_LDFLAGS): Define.
5771         (tls_script_test_LDADD): Define.
5772         * testsuite/Makefile.in: Rebuild.
5773
5774 2010-03-22  Doug Kwan  <dougkwan@google.com>
5775
5776         * arm.cc (Arm_relocate_functions::abs8,
5777         Arm_relocate_functions::abs16): Use correct check for overflow
5778         specified in the ARM ELF specs.
5779         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5780         target of a BLX instruction specially.
5781         (Reloc_stub::stub_type_for_reloc): Ditto.
5782         (Relocate::relocate): Use symbolic names instead of numeric relocation
5783         codes to report error.
5784         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5785         workaround.
5786         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5787         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5788         thumb2_blx_out_of_range.stdout
5789         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5790         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5791         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5792         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5793         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5794         thumb2_blx_in_range, thumb2_blx_in_range.o,
5795         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5796         thumb2_blx_out_of_range.o): New rules.
5797         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5798         thumb2_blx_in_range and thumb2_blx_out_of_range.
5799         * testsuite/Makefile.in: Regenerate.
5800         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5801         * testsuite/thumb_blx_in_range.s: New file.
5802         * testsuite/thumb_blx_out_of_range.s: New file.
5803
5804 2010-03-22  Rafael Espindola  <espindola@google.com>
5805
5806         * archive.cc (Should_include): Move to archive.h.
5807         (should_include_member): Make it a member of Archive.
5808         (Lib_group): New.
5809         (Add_lib_group_symbols): New.
5810         * archive.h: Include options.h.
5811         (Archive_member): Moved from Archive.
5812         (Should_include): Moved from archive.cc.
5813         (Lib_group): New.
5814         (Add_lib_group_symbols): New.
5815         * dynobj.cc (do_should_include_member): New.
5816         * dynobj.h (do_should_include_member): New.
5817         * gold.cc (queue_initial_tasks): Update call to queue.
5818         * main.cc (main): Print lib group stats.
5819         * object.cc (do_should_include_member): New.
5820         * object.h: Include archive.h.
5821         (Object::should_include_member): New.
5822         (Object::do_should_include_member): New.
5823         (Sized_relobj::do_should_include_member): New.
5824         * options.cc (General_options::parse_start_lib): New.
5825         (General_options::parse_end_lib): New.
5826         (Input_arguments::add_file): Handle lib groups.
5827         (Input_arguments::start_group): Check we are not in a lib.
5828         (Input_arguments::start_lib): New.
5829         (Input_arguments::end_lib): New.
5830         * options.h (General_options): Add start_lib and end_lib.
5831         (Input_argument::lib_): New.
5832         (Input_argument::lib): New.
5833         (Input_argument::is_lib): New.
5834         (Input_file_lib): New.
5835         (Input_arguments::in_lib_): New.
5836         (Input_arguments::in_lib): New.
5837         (Input_arguments::start_lib): New.
5838         (Input_arguments::end_lib_): New.
5839         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5840         in unused members as preempted.
5841         (Sized_pluginobj::do_should_include_member): New.
5842         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5843         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5844         return the blocker.
5845         (Read_symbols::do_whole_lib_group): New.
5846         (Read_symbols::do_lib_group): New.
5847         (Read_symbols::do_read_symbols): Handle lib groups.
5848         (Read_symbols::get_name): Handle lib groups.
5849         * readsyms.h (Read_symbols): Add an archive member pointer.
5850         (Read_symbols::do_whole_lib_group): New.
5851         (Read_symbols::do_lib_group): New.
5852         (Read_symbols::member_): New.
5853         * script.cc (read_input_script): Update call to queue_soon.
5854
5855 2010-03-19  Doug Kwan  <dougkwan@google.com>
5856
5857         * arm.cc (Stub_table::Stub_table): Initialize new data members
5858         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5859         (Stub_table::add_reloc_stub): Assign stub offset and update
5860         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5861         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5862         New data members.
5863         (Stub_table::update_data_size_and_addralign): Use
5864         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5865         instead of going over all reloc stubs.
5866         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5867         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5868         Stringpool_template::offset_ to size of Stringpool_char.
5869         (Stringpool_template::new_key_offset): Remove code to initialize
5870         Stringpool_template::offset_.
5871         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5872         Stringpool_template::offset_ to zero.
5873
5874 2010-03-15  Doug Kwan  <dougkwan@google.com>
5875
5876         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5877         offset_.
5878         (Stringpool_template::new_key_offset): New method.
5879         (Stringpool_template::add_string): Assign offsets when adding new
5880         strings.
5881         (Stringpool_template::set_string_offsets): Do not set string offsets
5882         when not optimizing.
5883         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5884         member size_.
5885         (Chunked_vector::clear): Clear size_.
5886         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5887         (Chunked_vector::size): Return size_.
5888         (Chunked_vector::push_back): Use size_ to find insert position.
5889         (Chunked_vector::size_): New data member.
5890         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5891         (Stringpool_template::new_key_offset): New method declaration.
5892         (Stringpool_template::offset_): New data member.
5893
5894 2010-03-15   Rafael Espindola  <espindola@google.com>
5895
5896         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5897         Add_symbols' constructor.
5898         * readsyms.h (Add_symbols): Remove the input_group member.
5899
5900 2010-03-10  Ian Lance Taylor  <iant@google.com>
5901
5902         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5903         target to ask whether a reference to a symbol requires a stack
5904         split.
5905         * target.h (Target::is_call_to_non_split): New function.
5906         (Target::do_is_call_to_non_split): Declare virtual function.
5907         * target.cc: Include "symtab.h".
5908         (Target::do_is_call_to_non_split): New function.
5909         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5910
5911 2010-03-10  Cary Coutant  <ccoutant@google.com>
5912
5913         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5914         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5915         (File_read::open[2]): Add whole_file_view_ to list of views.
5916         (File_read::make_view): Remove test of whole_file_view_.
5917         (File_read::find_or_make_view): Create whole_file_view_ if
5918         necessary.
5919         (File_read::clear_views): Replace bool parameter with enum;
5920         adjust all callers.  Don't delete views with permanent data;
5921         do delete cached views and views from archives if
5922         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5923         if clearing the corresponding view.
5924         * fileread.h (File_read::Clear_views_mode): New enum.
5925         (File_read::View::is_permanent_view): New method.
5926         (File_read::clear_views): Replace bool parameter
5927         with enum; adjust all callers.
5928         * options.h (General_options): Change keep_files_mapped option;
5929         add map_whole_files.
5930         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5931         releasing the file.
5932         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5933         the file.
5934
5935 2010-03-10  David S. Miller  <davem@davemloft.net>
5936
5937         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5938
5939 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5940
5941         * icf.cc (get_section_contents): Add '@' marker after processing the
5942         merge reloc.
5943
5944 2010-03-08  Doug Kwan  <dougkwan@google.com>
5945
5946         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5947         due to a conversion warning.
5948         (Arm_relobj::update_output_local_symbol_count): Check for local
5949         symbol with unset output index.
5950
5951 2010-03-05  Ian Lance Taylor  <iant@google.com>
5952
5953         * options.h (class General_options): Add --spare-dynamic-tags.
5954         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5955         --spare-dynamic-tags.
5956
5957 2010-03-05  Ian Lance Taylor  <iant@google.com>
5958
5959         * incremental.cc: Include "libiberty.h".
5960
5961 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5962
5963         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5964         function, is_info_ member.
5965         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5966         (Versions::Versions): Update caller.
5967         (Versions::define_base_version): Likewise.
5968         (Versions::add_def): Likewise.
5969
5970 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5971
5972         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5973         (Scan::possible_function_pointer_reloc): New function.
5974         (Scan::local_reloc_may_be_function_pointer): Change to call
5975         possible_function_pointer_reloc.
5976         (Scan::global_reloc_may_be_function_pointer): Ditto.
5977         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5978         relocations in ".data.rel.ro._ZTV" section.
5979         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5980         * testsuite/icf_safe_so_test.cc: Ditto.
5981         * testsuite/icf_safe_test.cc: Ditto.
5982         * testsuite/icf_safe_test.sh: Ditto.
5983
5984 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5985             Ian Lance Taylor  <iant@google.com>
5986
5987         * target-reloc.h (relocate_section): Check the symbol table index
5988         for -1U before setting the local symbol index.
5989         (scan_relocatable_relocs): If copying the relocation, record that
5990         the local symbol is required.
5991         * object.h (Symbol_value::is_output_symtab_index_set): New
5992         function.
5993         (Symbol_value::may_be_discarded_from_output_symtab): New
5994         function.
5995         (Symbol_value::has_output_symtab_entry): New function.
5996         (Symbol_value::needs_output_symtab_entry): Remove.
5997         (Symbol_value::output_symtab_index): Make sure the symbol index is
5998         set.
5999         (Symbol_value::set_output_symtab_index): Make sure the symbol
6000         index is not set.  Make sure the new index is valid.
6001         (Symbol_value::set_must_have_output_symtab_entry): New function.
6002         (Symbol_value::has_output_dynsym_entry): New function.
6003         (Symbol_value::set_output_dynsym_index): Make sure the new index
6004         is valid.
6005         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6006         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6007         local symbol if permitted.
6008         (Sized_relobj::do_finalize_local_symbols): Call
6009         is_output_symtab_index_set rather than needs_output_symtab_entry.
6010         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6011         rather than needs_output_symtab_entry.  Call
6012         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6013         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6014         is_output_symtab_index_set rather than needs_output_symtab_entry.
6015         * testsuite/discard_locals_relocatable_test.c: New file.
6016         * testsuite/discard_locals_test.sh: Test -r.
6017         * testsuite/Makefile.am (check_DATA): Add
6018         discard_locals_relocatable_test1.syms,
6019         discard_local_relocatable_test2.syms.
6020         (MOSTLYCLEANFILES): Likewise.  Also add
6021         discard_locals_relocatable_test1.lout and
6022         discard_locals_relocatable_test2.out.
6023         (discard_locals_relocatable_test1.syms): New target.
6024         (discard_locals_relocatable_test.o): New target.
6025         (discard_locals_relocatable_test1.out): New target.
6026         (discard_locals_relocatable_test2.syms): New target.
6027         (discard_locals_relocatable_test2.out): New target.
6028         (various): Add missing ../ld-new dependencies.
6029         * testsuite/Makefile.in: Rebuild.
6030
6031 2010-03-03  Nick Clifton  <nickc@redhat.com>
6032
6033         * po/fi.po: New Finnish translation.
6034
6035 2010-03-01  Doug Kwan  <dougkwan@google.com>
6036
6037         * layout.cc (Layout::Layout): Force section types of .init_array*,
6038         .preinit_array* and .fini_array* sections.
6039         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6040         Fix check of return value of std::string::find.().
6041         (Output_section::Input_section_sort_compare::operator()): Remove
6042         comment about .init_array.
6043         (Output_section::Input_section_sort_init_fini_compare::operator()):
6044         New method.
6045         (Output_section::sort_attached_input_sections): Handle .init_array
6046         and .fini_array specially.
6047         * output.h (Output_section::Inut_section_sort_compare): Update
6048         comment.
6049         (Output_section::Input_section_sort_init_fini_compare): New struct.
6050
6051 2010-02-26  Doug Kwan  <dougkwan@google.com>
6052
6053         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6054         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6055         * testsuite/debug_msg.sh: Avoid matching source line number for
6056         use of global variable undef_int.
6057
6058 2010-02-26  Doug Kwan  <dougkwan@google.com>
6059
6060         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6061         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6062         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6063         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6064         * options.cc (General_options::General_options): Initialize member
6065         fix_v4bx_.
6066         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6067         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6068         and rm_no_fix_v4bx.stdout
6069         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6070         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6071         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6072         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6073         and arm_no_fix_v4bx.
6074         * Makefile.in: Regenerate.
6075         * testsuite/arm_fix_v4bx.s: New file.
6076         * testsuite/arm_fix_v4bx.sh: Ditto.
6077
6078 2010-02-24  Doug Kwan  <dougkwan@google.com>
6079
6080         * arm.cc (Target_arm::got_section): Make the .got section the first
6081         non RELRO section in the data segment.
6082         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6083         suffixes of section names.
6084
6085 2010-02-24  Doug Kwan  <dougkwan@google.com>
6086
6087         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6088         flags and attributes merging if an input file is a binary file.
6089         * fileread.cc (Input_file::open): Record format of original file.
6090         * fileread.h (Input_file::Format): New enum type.
6091         (Input_file::Input_file): Initialize data member format_.
6092         (Input_file::format): New method definition.
6093         (Input_file::format_):: New data member.
6094
6095 2010-02-24  Doug Kwan  <dougkwan@google.com>
6096
6097         * arm.cc (Arm_output_data_got): New class.
6098         (ARM_TCB_SIZE): New constant
6099         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6100         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6101         If user uses a script with a SECTIONS clause, issue only a warning
6102         for a misplaced EXIDX input section.  Otherwise, issue an error.
6103         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6104         garbage collection.
6105         (Target_arm::got_mode_index_entry): Handle static linking.
6106         (Target_arm::Scan::local): Ditto.
6107         (Target_arm::Scan::global): Ditto.
6108         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6109         all incorrectly implemented relocations.
6110         (Target_arm::fix_exidx_coverage): Pass layout to
6111         Arm_output_section::fix_exidx_coverage.
6112         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6113         from ".ARM.exidx." and ".ARM.extab.".
6114
6115 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6116
6117         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6118         section if it does not already exist.
6119         * attributes.cc (Attributes_section_data::Attributes_section_data):
6120         Don't crash if size is zero.
6121
6122 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6123             Ian Lance Taylor  <iant@google.com>
6124
6125         * gold.cc (queue_middle_tasks): If no input files were opened,
6126         exit.
6127         * workqueue.h (Task_function::Task_function): Assert that there is
6128         a blocker.
6129
6130 2010-02-22  Doug Kwan  <dougkwan@google.com>
6131
6132         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6133         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6134         types to avoid warnings due to different uint64_t implementations
6135         on different hosts.
6136
6137 2010-02-21  Doug Kwan  <dougkwan@google.com>
6138
6139         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6140         handling of the maximum backward branch offset.
6141         (Arm_relocate_functions::thumb_branch_common): Ditto.
6142         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6143         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6144         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6145         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6146         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6147         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6148         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6149         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6150         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6151         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6152         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6153         thumb2_bl_out_of_range.o): New rules.
6154         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6155         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6156         thumb2_bl_out_of_range
6157         * testsuite/Makefile.in: Regenerate.
6158         * testsuite/arm_bl_in_range.s: New file.
6159         * testsuite/arm_bl_out_of_range.s: Ditto.
6160         * testsuite/arm_branch_in_range.sh: Ditto.
6161         * testsuite/arm_branch_range.t: Ditto.
6162         * testsuite/thumb2_branch_range.t: Ditto.
6163         * testsuite/thumb_bl_in_range.s: Ditto.
6164         * testsuite/thumb_bl_out_of_range.s: Ditto.
6165         * testsuite/thumb_branch_range.t: Ditto.
6166
6167 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6168
6169         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6170         Add reloc offset information.
6171         * icf.cc (get_section_contents): Change iterators to point to the new
6172         vectors. Add reloc offset information to the contents.
6173         * icf.h (Icf::Sections_reachable_info): New typedef.
6174         (Icf::Sections_reachable_list): New typedef.
6175         (Icf::Offset_info): New typedef.
6176         (Icf::Reloc_info): New struct typedef.
6177         (Icf::Reloc_info_list): New typedef.
6178         (Icf::symbol_reloc_list): Delete method.
6179         (Icf::addend_reloc_list): Delete method.
6180         (Icf::section_reloc_list): Delete method.
6181         (Icf::reloc_info_list): New method.
6182         (Icf::reloc_info_list_): New member.
6183
6184 2010-02-19  Doug Kwan  <dougkwan@google.com>
6185
6186         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6187         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6188         * arm.cc (Arm_relocation_functions): New forward declaration.
6189         (Target_arm::Target_arm): Initialize new data members
6190         got_mod_index_offset_ and tls_base_symbol_defined_.
6191         (Target_arm::Relocate::relocate_tls): New method.
6192         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6193          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6194         New methods.
6195         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6196         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6197         (Target_arm::got_mod_index_offset_,
6198         Target_arm::tls_base_symbol_defined_): New data members.
6199         (Target_arm::Scan::local, Target::Scan::global,
6200         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6201         relocations.
6202
6203 2010-02-18  Doug Kwan  <dougkwan@google.com>
6204
6205         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6206         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6207         text section as a parameter becuase some broken tools may not set
6208         the link in section header.
6209         (Target_arm::has_got_section): New method.
6210         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6211         without any mapping symbol as data only.  Remove warning.
6212         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6213         link in its section header, try to discover the link by inspecting the
6214         REL31 relocation at the beginning of the section.
6215         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6216         in error message.
6217         (Target_arm::Scan::global): Treat any reference to the symbol
6218         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6219
6220 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6221
6222         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6223         (Scan::global_reloc_may_be_function_pointer): New function.
6224         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6225         (Scan::global_reloc_may_be_function_pointer): New function.
6226         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6227         (Scan::global_reloc_may_be_function_pointer): New function.
6228         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6229         (Scan::global_reloc_may_be_function_pointer): New function.
6230         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6231         (Scan::global_reloc_may_be_function_pointer): New function.
6232         (Scan::possible_function_pointer_reloc): New function.
6233         (Target_x86_64::can_check_for_function_pointers): New function.
6234         * gc.h (gc_process_relocs): Scan relocation types to determine if
6235         function pointers were taken for targets that support it.
6236         * icf.cc (Icf::find_identical_sections): Include functions for
6237         folding in safe ICF whose pointer is not taken.
6238         * icf.h (Secn_fptr_taken_set): New typedef.
6239         (fptr_section_id_): New member.
6240         (section_has_function_pointers): New function.
6241         (set_section_has_function_pointers): New function.
6242         (check_section_for_function_pointers): New function.
6243         * options.h: Fix comment for safe ICF option.
6244         * target.h (can_check_for_function_pointers): New function.
6245         * testsuite/Makefile.am: Add icf_safe_so_test test case.
6246         Modify icf_safe_test for X86-64.
6247         * testsuite/Makefile.in: Regenerate.
6248         * testsuite/icf_safe_so_test.cc: New file.
6249         * testsuite/icf_safe_so_test.sh: New file.
6250         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6251         (main): Change to take pointer to function kept_func_3.
6252         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6253         folding is done correctly for X86-64.
6254
6255 2010-02-12  David S. Miller  <davem@davemloft.net>
6256
6257         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6258         is_symbolless parameter.
6259         (Output_reloc<SHT_REL>::is_symbolless): New.
6260         (Output_reloc<SHT_REL>::is_symbolless_): New.
6261         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6262         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6263         (Output_reloc<SHT_RELA>::is_symbolless): New.
6264         (Output_data_reloc::add_global): Handle is_symbolless.
6265         (Output_data_reloc::add_global_relative): Likewise.
6266         (Output_data_reloc::add_local): Likewise.
6267         (Output_data_reloc::add_local_relative): Likewise.
6268         (Output_data_reloc::add_symbolless_global_addend): New.
6269         (Output_data_reloc::add_symbolless_local_addend): New.
6270         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6271         is_symbolless.
6272         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6273         instead of ->is_relative_
6274         (Output_reloc::write): Likewise.
6275         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6276         (Output_reloc::write_rel): Simplify.
6277
6278         * sparc.cc (Target_sparc::Scan::local): Use
6279         ->add_symbolless_local_addend as needed.
6280         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6281         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6282         based upon relocation offset.
6283
6284 2010-02-11  Doug Kwan  <dougkwan@google.com>
6285
6286         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6287         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6288         beginning of function.
6289         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6290         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6291         parameter is_32bit in calls to should_apply_static_reloc.
6292         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
6293         (check_DATA): Add arm_abs_global.stdout.
6294         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
6295         arm_abs_global.stdout): New rules.
6296         (MOSTLLYCLEANFILES): Add arm_abs_global
6297         * Makefile.in: Regenerate.
6298         * testsuite/arm_abs_global.s: New file.
6299         * testsuite/arm_abs_global.sh: Ditto.
6300         * testsuite/arm_abs_lib.s: Ditto.
6301
6302 2010-02-11  Ian Lance Taylor  <iant@google.com>
6303
6304         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
6305         Read_relocs task.
6306         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
6307         Allocate_commons_task first.
6308         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
6309         task, rather than symtab_lock_.
6310         (Gc_process_relocs::~Gc_process_relocs): New function.
6311         (Gc_process_relocs::is_runnable): Check this_blocker_.
6312         (Gc_process_relocs::locks): Use next_blocker_ rather than
6313         blocker_.
6314         (Scan_relocs::~Scan_relocs): New function.
6315         (Scan_relocs::is_runnable): Check this_blocker_ rather than
6316         symtab_lock_.
6317         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
6318         next_blocker_.
6319         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6320         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6321         constructor accordingly.
6322         (class Gc_process_relocs): Likewise.
6323         (class Scan_relocs): Likewise.
6324         * common.h (class Allocate_commons_task): Remove symtab_lock_
6325         field, and corresponding constructor parameter.
6326         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6327         symtab_lock_.
6328         (Allocate_commons_task::locks): Likewise.
6329
6330 2010-02-11  Ian Lance Taylor  <iant@google.com>
6331
6332         * gold-threads.h (class Once): Define.
6333         (class Initialize_lock): Rewrite as child of Once.
6334         * gold-threads.cc (class Once_initialize): Define.
6335         (once_pointer_control): New static variable.
6336         (once_pointer, once_arg): New static variables.
6337         (c_run_once): New static function.
6338         (Once::Once, Once::run_once, Once::internal_run): New functions.
6339         (class Initialize_lock_once): Remove.
6340         (initialize_lock_control): Remove.
6341         (initialize_lock_pointer): Remove.
6342         (initialize_lock_once): Remove.
6343         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6344         (Initialize_lock::initialize): Rewrite.
6345         (Initialize_lock::do_run_once): New function.
6346         * archive.cc (Archive::interpret_header): Only clear name if it is
6347         not already empty.
6348         * fileread.cc: Include "gold-threads.h"
6349         (file_counts_lock): New static variable.
6350         (file_counts_initialize_lock): Likewise.
6351         (File_read::release): Only increment counts when using --stats.
6352         Use a lock around the increment.
6353         * parameters.cc (class Set_parameters_target_once): Define.
6354         (set_parameters_target_once): New static variable.
6355         (Parameters::Parameters): Move here from parameters.h.
6356         (Parameters::set_target): Rewrite.
6357         (Parameters::set_target_once): New function.
6358         (Parameters::clear_target): Move here and rewrite.
6359         * parameters.h (class Parameters): Update declarations.  Add
6360         set_parameters_target_once_ field.
6361         (Parameters::Parameters): Move to parameters.cc.
6362         (Parameters::clear_target): Likewise.
6363         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6364         task.
6365         (Start_group::~Start_group): New function.
6366         (Start_group::is_runnable): New function.
6367         (Start_group::locks, Start_group::run): New functions.
6368         (Finish_group::run): Change saw_undefined to size_t.
6369         * readsyms.h (class Start_group): Define.
6370         (class Finish_group): Change saw_undefined_ field to size_t.
6371         (Finish_group::Finish_group): Remove saw_undefined and
6372         this_blocker parameters.  Change all callers.
6373         (Finish_group::set_saw_undefined): New function.
6374         (Finish_group::set_blocker): New function.
6375         * symtab.h (class Symbol_table): Change saw_undefined to return
6376         size_t.  Change saw_undefined_ field to size_t.
6377         * target-select.cc (Set_target_once::do_run_once): New function.
6378         (Target_selector::Target_selector): Initialize set_target_once_
6379         field.  Don't initialize lock_ and initialize_lock_ fields.
6380         (Target_selector::instantiate_target): Rewrite.
6381         (Target_selector::set_target): New function.
6382         * target-select.h (class Set_target_once): Define.
6383         (class Target_selector): Update declarations.  Make
6384         Set_target_once a friend.  Remove lock_ and initialize_lock_
6385         fields.  Add set_target_once_ field.
6386
6387 2010-02-10  Ian Lance Taylor  <iant@google.com>
6388
6389         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6390         queueing any tasks.
6391         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6392         (queue_middle_tasks): Add all blockers before queueing any tasks.
6393         (queue_final_tasks): Likewise.
6394         * token.h (Task_token::add_blockers): New function.
6395         * object.h (Input_objects::number_of_relobjs): New function.
6396
6397 2010-02-10  Ian Lance Taylor  <iant@google.com>
6398
6399         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6400         shared, not if not position independent.
6401         * x86_64.cc (Relocate::relocate_tls): Likewise.
6402         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6403         (tls_pie_pic_test): New target.
6404         * testsuite/Makefile.in: Rebuild.
6405
6406         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6407         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6408         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6409         * testsuite/Makefile.in: Rebuild.
6410
6411 2010-02-09  David S. Miller  <davem@davemloft.net>
6412
6413         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6414         R_SPARC_RELATIVE using ->add_local_relative().
6415         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6416
6417         * output.h (Output_data_dynamic::add_section_size): New method
6418         that takes two Output_data objects.
6419         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6420         entry param.  Handle it in initializers.
6421         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6422         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6423         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6424         arg.
6425         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6426         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6427         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6428         for dynrel_includes_plt.
6429         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6430         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6431         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6432         before .rela.plt
6433         (Target_sparc::do_finalize_sections): Update to pass true for
6434         dynrel_includes_plt.
6435         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6436         output before .rela.plt
6437         (Target_powerpc::do_finalize_sections): Update to pass true for
6438         dynrel_includes_plt when 32-bit.
6439
6440 2010-02-08  Doug Kwan  <dougkwan@google.com>
6441
6442         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6443         method.
6444         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6445         Arm_relobj::scan_section_for_cortex_a8_stubs,
6446         Arm_relobj::do_relocation_section): Instead of calling
6447         Output_section::output_address, use faster
6448         Arm_relobj::simple_input_section_output_address.
6449
6450 2010-02-08  David S. Miller  <davem@davemloft.net>
6451
6452         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6453         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6454         relocation helper function.
6455
6456         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6457         just like R_SPARC_GOT{10,13,22}.
6458         (Target_sparc::Scan::local): Likewise.
6459         (Target_sparc::Relocate:relocate): Likewise.
6460
6461 2010-02-06  Ian Lance Taylor  <iant@google.com>
6462
6463         * configure.ac: Rewrite targetobjs duplicate removal code to use
6464         only shell constructs.
6465         * configure: Rebuild.
6466
6467 2010-02-05  Doug Kwan  <dougkwan@google.com>
6468
6469         PR 11247
6470         * arm.cc (Arm_relobj::section_is_scannable): New method.
6471         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6472         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6473
6474 2010-02-04  Doug Kwan  <dougkwan@google.com>
6475
6476         PR 11247
6477         * arm-reloc-property.cc (cstdio): Include.
6478         * configure.ac (targetobjs): Remove duplicates.
6479         * configure: Regenerate.
6480         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6481         big and little endian version for a given address size.
6482
6483 2010-02-03  Doug Kwan  <dougkwan@google.com>
6484
6485         * arm-reloc-property.cc
6486         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6487         definition.
6488         * arm-reloc-property.h
6489         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6490         New method definition.
6491         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6492         declaration.
6493         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6494         overflow to N.
6495         (GOT_PREL): Change implemented to Y.
6496         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6497         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6498         (Arm_relocate_functions::movw_abs_nc): Remove method.
6499         (Arm_relocate_functions::movt_abs): Ditto.
6500         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6501         (Arm_relocate_functions::thm_movt_abs): Ditto.
6502         (Arm_relocate_functions::movw_rel_nc): Ditto.
6503         (Arm_relocate_functions::movw_rel): Ditto.
6504         (Arm_relocate_functions::movt_rel): Ditto.
6505         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6506         (Arm_relocate_functions:thm_movw_rel): Ditto.
6507         (Arm_relocate_functions:thm_movt_rel): Ditto.
6508         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6509         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6510         New method definitions.
6511         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6512         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6513         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6514         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6515         (Target_arm::Relocate::relocate): Check for non-static or
6516         unimplemented relocation code and exit early.  Change calls to
6517         Target_arm::reloc_uses_thumb_bit and
6518         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6519         instead.  Refactor code to handle similar relocations to increase
6520         code sharing.  Remove check for unsupported relocation code in switch
6521         statement.
6522         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6523         relocation property table to find out size.  Change error message to
6524         print out the name of a relocation code instead of the numeric value.
6525         (Target_arm::scan_reloc_for_stub): Use relocation property table
6526         instead of calling Target_arm::reloc_uses_thumb_bit().
6527
6528 2010-02-02  Doug Kwan  <dougkwan@google.com>
6529
6530         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6531         types of relaxed input section.
6532
6533 2010-02-02  Doug Kwan  <dougkwan@google.com>
6534
6535         * Makefile.am (HFILES): Add arm-reloc-property.h.
6536         (DEFFILES): New.
6537         (TARGETSOURCES): Add arm-reloc-property.cc
6538         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6539         (libgold_a_SOURCES): $(DEFFILES)
6540         * Makefile.in: Regenerate.
6541         * arm-reloc-property.cc: New file.
6542         * arm-reloc-property.h: New file.
6543         * arm-reloc.def: New file.
6544         * arm.cc: Update comments.
6545         (arm-reloc-property.h): New included header.
6546         (arm_reloc_property_table): New global variable.
6547         (Target_arm::do_select_as_default_target): New method definition.
6548         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6549         arm-reloc-property to targ_extra_obj.
6550         * parameters.cc (set_parameters_target): Call
6551         Target::select_as_default_target().
6552         * target.h (Target::select_as_default_target): New method definition.
6553         (Target::do_select_as_default_target): Same.
6554
6555 2010-02-01  Doug Kwan  <dougkwan@google.com>
6556
6557         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6558         first_output_text_section_.
6559         (Arm_exidx_fixup::first_output_text_section): New method definition.
6560         (Arm_exidx_fixup::first_output_text_section_): New data member.
6561         (Arm_exidx_fixup::process_exidx_section): Record the first text
6562         output section seen.
6563         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6564         and entsize in output section header.
6565
6566 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6567
6568         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6569         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6570         (Arm_relocate_functions::thm_alu11): New Method.
6571         (Arm_relocate_functions::thm_pc8): New Method.
6572         (Arm_relocate_functions::thm_pc12): New Method.
6573         (Target_arm::Scan::local): Handle the relocations.
6574         (Target_arm::Scan::global): Likewise.
6575         (Target_arm::Relocate::relocate): Likewise.
6576         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6577
6578 2010-01-29  Doug Kwan  <dougkwan@google.com>
6579
6580         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6581         of relocation types as ld.
6582
6583 2010-01-29  Doug Kwan  <dougkwan@google.com>
6584
6585         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6586         to public.
6587         (Arm_relocate_functions::thumb_branch_common): Ditto.
6588         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6589         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6590         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6591         Arm_relocate_functions::jump24): Remove.
6592         (Target_arm::Relocate::relocate): Adjust code to call
6593         Arm_relocation_functions::arm_branch_common and
6594         Arm_relocation_functions::thumb_branch_common instead of their removed
6595         wrappers.  Merge switch-cases together to reduce source code size.
6596
6597 2010-01-29  Doug Kwan  <dougkwan@google.com>
6598
6599         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6600         output_local_symbol_count_needs_update_.
6601         (Arm_relobj::output_local_symbol_count_needs_update,
6602          Arm_relobj::set_output_local_symbol_count_needs_update,
6603          Arm_relobj::update_output_local_symbol_count): New methods.
6604         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6605         member.
6606         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6607         of pointed function as in a R_ARM_PREL31 relocation.
6608         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6609         for output local symbol count updating.
6610         (Target_arm::do_relax): Update output local symbol counts in objects
6611         if necessary.
6612         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6613
6614 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6615
6616         * arm.cc: Added support for the ARM relocations:
6617         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6618         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6619         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6620         movw_prel_nc).
6621         (Arm_relocate_functions::movw_rel): New method.
6622         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6623         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6624         thm_movw_prel_nc).
6625         (Arm_relocate_functions::thm_movw_rel): New method.
6626         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6627         thm_movt_prel).
6628         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6629         relocations.
6630         (Target_arm::Scan::global): Likewise.
6631         (Target_arm::Relocate::relocate): Likewise.
6632         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6633         Likewise.
6634
6635 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6636
6637         * arm.cc: Added support for ARM group relocations.
6638         (Target_arm::reloc_needs_sym_origin): New method.
6639         (Arm_relocate_functions::calc_grp_kn): New method.
6640         (Arm_relocate_functions::calc_grp_residual): New method.
6641         (Arm_relocate_functions::calc_grp_gn): New method.
6642         (Arm_relocate_functions::arm_grp_alu): New Method.
6643         (Arm_relocate_functions::arm_grp_ldr): New Method.
6644         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6645         (Arm_relocate_functions::arm_grp_ldc): New Method.
6646         (Target_arm::Scan::local): Handle the ARM group relocations.
6647         (Target_arm::Scan::global): Likewise.
6648         (Target_arm::Relocate::relocate): Likewise.
6649         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6650         Likewise.
6651
6652 2010-01-26  Doug Kwan  <dougkwan@google.com>
6653
6654         * arm.cc (set): Include.
6655         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6656         pointer type.
6657         (Arm_output_section::Text_section_list): New type.
6658         (Arm_output_section::append_text_sections_to_list): New method.
6659         (Arm_output_section::fix_exidx_coverage): Ditto.
6660         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6661         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6662         Relobj::set_section_offset() instead of
6663         Sized_relobj::invalidate_section_offset().
6664         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6665         parameter for section headers. Ignore relocation sections for
6666         unallocated sections and EXIDX sections.
6667         (Target_arm::fix_exidx_coverage): New method.
6668         (Target_arm::output_section_address_less_than): New type.
6669         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6670         linked text section instead of the EXIDX section.
6671         (Arm_output_section::create_stub_group): Add an assertion to check
6672         that this is not an EXIDX output section.
6673         (Arm_output_section::append_text_sections_to_list): New method.
6674         (Arm_output_section::fix_exidx_coverage): Ditto.
6675         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6676         Arm_relobj::section_needs_reloc_stub_scanning.
6677         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6678         first pass.
6679         (Target_arm::fix_exidx_coverage): New method.
6680         * object.h (Relobj::set_output_section): New method.
6681         (Sized_relobj::invalidate_section_offset): Remove method.
6682         (Sized_relobj::do_invalidate_section_offset): Remove method.
6683         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6684
6685 2010-01-25  Doug Kwan  <dougkwan@google.com>
6686
6687         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6688         Fix warning due to signed and unsigned comparison on a 32-bit host.
6689
6690 2010-01-22  Doug Kwan  <dougkwan@google.com>
6691
6692         * arm.cc (Target_arm::do_relax): Record an output section for section
6693         offset adjustment it contains any stub table that has changed.
6694         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6695         offsets in an output section if necessary.
6696         * output.cc (Output_section::Output_section): Initialize
6697         section_offsets_need_adjustments_.
6698         (Output_section::add_input_section_for_script): Renamed to
6699         Output_section::add_simple_input_section.
6700         (Output_section::save_states): Add a comment.
6701         (Output_section::discard_states): New method defintion.
6702         (Output_section::adjust_section_offsets): Same.
6703         * output.h (Output_section::add_input_section_for_script): Renamed to
6704         Output_section::add_simple_input_section.
6705         (Output_section::discard_states): New method declaration.
6706         (Output_section::adjust_section_offsets): Same.
6707         (Output_section::section_offsets_need_adjustment,
6708         Output_section::set_section_offsets_need_adjustment): New method
6709         definitions.
6710         (Output_section::section_offsets_need_adjustment_): New data member.
6711         * script-sections.cc
6712         (Output_section_element_input::set_section_address): Adjust code for
6713         renaming of Output_section::add_input_section_for_script.
6714         (Orphan_output_section::set_section_address): Same.
6715
6716 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6717
6718         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6719         Fix_v4bx enum values .
6720         * gold/options.h (General_options): New option definitions.
6721         (General_options::fix_v4bx): New method.
6722         (General_options::Fix_v4bx): New enum.
6723         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6724         (General_options::parse_fix_v4bx_interworking): New method.
6725
6726 2010-01-22  Doug Kwan  <dougkwan@google.com>
6727
6728         * arm.cc (Arm_exidx_fixup): New class.
6729
6730 2010-01-21  Doug Kwan  <dougkwan@google.com>
6731
6732         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6733         classes.
6734         (Arm_exidx_section_offset_map): New type.
6735
6736 2010-01-21  Doug Kwan  <dougkwan@google.com>
6737
6738         * arm.cc (Arm_exidx_input_section): New class.
6739         (Arm_relobj::exidx_input_section_by_link,
6740         Arm_relobj::exidx_input_section_by_shndx,
6741         Arm_relobj::make_exidx_input_section): New methods.
6742         (read_arm_attributes_section): Remove.
6743         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6744         information about them.
6745         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6746         to here.
6747
6748 2010-01-20  Doug Kwan  <dougkwan@google.com>
6749
6750         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6751         Input_section_specifier to Section_id.
6752         (Target_arm::new_arm_input_section: Adjust code for change of key
6753         type.
6754         (Target_arm::find_arm_input_section): Ditto.
6755         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6756         (Section_id): Remove.
6757         (Garbage_collection::Section_id_hash): Remove.
6758         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6759         (Section_id): Remove.
6760         (Icf::Section_id_hash): Remove.
6761         * object.h (Section_id, Const_section_id, Section_id_hash,
6762         Const_section_id_hash): New type definitions.
6763         * output.cc (Output_section::add_relaxed_input_section): Change to
6764         use Const_section_id instead of Input_section_specifier as key type.
6765         (Output_section::add_merge_input_section): Ditto.
6766         (Output_section::build_relaxation_map): Change to use Section_id
6767         instead of Input_section_specifier as key type.
6768         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6769         Ditto.
6770         (Output_section::convert_input_sections_to_relaxed_sections): Change
6771         to use Const_section_id instead of Input_section_specifier as key type.
6772         (Output_section::find_merge_section): Ditto.
6773         (Output_section::find_relaxed_input_section): Ditto.
6774         * output.h (Input_section_specifier): Remove class.
6775         (Output_section::Output_section_data_by_input_section_map): Change
6776         key type to Const_section_id.
6777         (Output_section::Output_relaxed_input_section_by_input_section_map):
6778         Ditto.
6779         (Output_section::Relaxation_map): Change key type to Section_id.
6780
6781 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6782
6783         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6784         (class Arm_v4bx_stub): New class.
6785         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6786         (Stub_factory::make_arm_v4bx_stub): New method.
6787         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6788         (Stub_table::empty): Handle v4bx stubs.
6789         (Stub_table::add_arm_v4bx_stub): New method.
6790         (Stub_table::find_arm_v4bx_stub): New method.
6791         (Arm_relocate_functions::v4bx): New method.
6792         (Target_arm::fix_v4bx): New method.
6793         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6794         (Stub_table::relocate_stubs): Likewise.
6795         (Stub_table::do_write): Likewise.
6796         (Stub_table::update_data_size_and_addralign): Likewise.
6797         (Stub_table::finalize_stubs):  Likewise.
6798         (Target_arm::Scan::local): Likewise.
6799         (Target_arm::Scan::global): Likewise.
6800         (Target_arm::do_finalize_sections): Likewise.
6801         (Target_arm::Relocate::relocate): Likewise.
6802         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6803         Likewise.
6804         (Target_arm::scan_reloc_for_stub): Likewise.
6805         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6806
6807 2010-01-19  Ian Lance Taylor  <iant@google.com>
6808
6809         * output.cc (Output_section_headers::do_sized_write): Write large
6810         segment count to sh_info field.
6811         (Output_file_header::do_sized_write): For large segment count,
6812         write PN_XNUM to e_phnum field.
6813
6814 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6815
6816         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6817         (Arm_relocate_functions::thm_jump8): New function.
6818         (Arm_relocate_functions::thm_jump11): New function.
6819         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6820         R_ARM_THM_JUMP11.
6821         (Target_arm::Scan::global): Likewise.
6822         (Target_arm::Relocate::relocate): Likewise.
6823         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6824         Likewise.
6825
6826 2010-01-14  Doug Kwan  <dougkwan@google.com>
6827
6828         * arm.cc (map, utility): Include headers.
6829         (Target_arm::apply_cortex_a8_workaround): New method.
6830         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6831         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6832         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6833         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6834         the --[no-]fix-cortex-a8 command line options.
6835         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6836         (Target_arm::relocate_stub): Use addend in instruction template.
6837         * options.h (DEFINE_bool): Set the user-set flag.
6838         (General_options): Add --[no-]-fix-cortex options.
6839         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6840         : Update fast look-up map after conversion.
6841
6842 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6843
6844         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6845         in the first pass of do_layout.
6846
6847 2010-01-13  Doug Kwan  <dougkwan@google.com>
6848
6849         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6850         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6851         apparent compiler problem of not folding static constant integral
6852         data members of elfcpp::Elf_sizes<32>.
6853
6854 2010-01-13  Doug Kwan  <dougkwan@google.com>
6855
6856         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6857         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6858         Arm_relobj::scan_section_for_cortex_a8_erratum,
6859         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6860         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6861         sections to scan for relocation stubs into a new method
6862         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6863         relocation and Cortex-A8 stub scanning.
6864         (Target_arm::do_relax): Force stubs to be after stubbed sections
6865         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6866         the beginning of a new relaxation pass.  Update a comment.
6867         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6868
6869 2010-01-12  Ian Lance Taylor  <iant@google.com>
6870
6871         * target-reloc.h (visibility_error): New inline function.
6872         (relocate_section): Call visibility_error.
6873         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6874         (MOSTLYCLEANFILES): Likewise.
6875         (protected_4_pic.o, protected_3.err): New targets.
6876         * testsuite/protected_4.cc: New file.
6877
6878 2010-01-12  Doug Kwan  <dougkwan@google.com>
6879
6880         * arm.cc (Cortex_a8_reloc): New class.
6881         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6882         and cortex_a8_relocs_info_.
6883         (Target_arm::fix_cortex_a8): New method definition.
6884         (Target_arm::Cortex_a8_relocs_info): New type.
6885         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6886         New data member declarations.
6887         (Target_arm::scan_reloc_for_stub): Record information about
6888         relocations for THUMB branches that might be exempted from the
6889         Cortex-A8 workaround.
6890         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6891         at the beginning of a relaxation pass.
6892
6893 2010-01-12  Doug Kwan  <dougkwan@google.com>
6894
6895         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6896         (Arm_relobj::Mapping_symbol_position,
6897          Arm_reloj::Mapping_symbol_position_less,
6898          Arm_relobj::Mapping_symbols_info): New types.
6899         (Target_arm::is_mapping_symbol_name): New method definition.
6900         (Arm_relobj::do_count_local_symbols): Save information about mapping
6901         symbols.
6902
6903 2010-01-11  Doug Kwan  <dougkwan@google.com>
6904
6905         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6906         Arm_relocate_functions::thumb32_branch_upper,
6907         Arm_relocate_functions::thumb32_branch_lower,
6908         Arm_relocate_functions::thumb32_cond_branch_offset,
6909         Arm_relocate_functions::thumb32_cond_branch_upper,
6910         Arm_relocate_functions::thumb32_cond_branch_lower,
6911         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6912         branch offset encoding.
6913         (Arm_relocate_functions::thumb_branch_common): Use new branch
6914         offset encoding methods to avoid code duplication.
6915         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6916         (Stub_addend_reader::operator()): Use new branch encoding method
6917         to avoid code duplication.
6918
6919 2010-01-11  Doug Kwan  <dougkwan@google.com>
6920
6921         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6922         (Target_arm::do_finalize_sections): Define special EXIDX section
6923         symbols only if referenced.
6924         * gc.h (Garbage_collection::add_reference): New method.
6925         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6926         code duplication.
6927
6928 2010-01-11  Ian Lance Taylor  <iant@google.com>
6929
6930         * script.cc (Version_script_info::build_expression_list_lookup):
6931         Change complaing about duplicate wildcard match from error to
6932         warning.
6933
6934         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6935         of 2009-12-30.
6936         (Version_script_info::Version_script_info): Initialize globs_,
6937         default_version_, default_is_global_, and exact_.  Don't
6938         initialize globals_ or locals_.
6939         (Version_script_info::build_lookup_tables): Build local symbols
6940         first.
6941         (Version_script_info::unquote): New function.
6942         (Version_script_info::add_exact_match): New function.
6943         (Version_script_info::build_expression_list_lookup): Remove lookup
6944         parameter.  Add is_global parameter.  Change all callers.  Handle
6945         wildcard pattern specially.  Unquote pattern.  Call
6946         add_exact_match.
6947         (Version_script_info::get_name_to_match): New function.
6948         (Version_script_info::get_symbol_version): New function.
6949         (Version_script_info::get_symbol_version_helper): Remove.
6950         (Version_script_info::check_unmatched_names): Call unquote.
6951         * script.h (class Version_script_info): Change get_symbol_version
6952         to be non-inline and add is_global parameter; change all callers.
6953         Rewrite symbol_is_local.  Update declarations.  Define struct
6954         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6955         Remove globals_ and locals_ members.  Add exact_, globs_,
6956         default_version_, is_global_.
6957         (Version_script_info::Glob): Remove pattern, add expression and
6958         is_global.  Update constructor.  Change all callers.
6959         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6960         default version.
6961         (Versions::symbol_section_contents): If a symbol is undefined, or
6962         defined in a dynamic object, set the version index to
6963         VER_NDX_LOCAL.
6964         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6965         symbol_is_local.
6966         (Symbol_table::add_from_pluginobj): Likewise.
6967         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6968
6969 2010-01-11  Doug Kwan  <dougkwan@google.com>
6970
6971         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6972         (incremental_dump_LDADD): Add linking option for libintl.
6973         * Makefile.in: Regenerate.
6974
6975 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6976
6977         PR gold/11144
6978         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6979         instead of -Ds.
6980         * testsuite/Makefile.in: Regenerated.
6981
6982 2010-01-10  Doug Kwan  <dougkwan@google.com>
6983
6984         * options.h (DEFINE_var): Use parentheses around argument varname__
6985         in macro body to avoid any unintended subsequent substitutions.
6986
6987 2010-01-10  Ian Lance Taylor  <iant@google.com>
6988
6989         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6990         candidates before doing symbol resolution.
6991
6992         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6993         ODR candidates if only one is weak.
6994
6995 2010-01-08  Ian Lance Taylor  <iant@google.com>
6996
6997         * script.cc (Version_script_info::build_expression_list_lookup):
6998         Don't warn about ambiguous version, just record the ambiguity.
6999         (Version_script_info::get_symbol_version_helper): Give error if
7000         version is ambiguous.
7001
7002 2010-01-08  Doug Kwan  <dougkwan@google.com>
7003
7004         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7005           prev_data_size_ and prev_addralign_.  Remove initializer for
7006           deleted data member has_been_changed_.
7007           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7008           to determine if the table is empty.
7009           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7010           Remove.
7011           (Stub_table::add_reloc_stub): Define method in class definition
7012           instead of just declaring it there.
7013           (Stub_table::add_cortex_a8_stub): New method definition.
7014           (Stub_table::update_data_size_and_addralign): Ditto.
7015           (Stub_table::finalize_stubs): Ditto.
7016           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7017           (Stub_table::do_addralign_): Return address alignment in the
7018           (Stub_table::do_reset_address_and_file_offset): Define method in
7019           class definition instead of declaring it there.  Set current data
7020           size to be the data size of the previous pass.
7021           (Stub_table::set_final_data_size): Use current data size as the
7022           final data size.
7023           (Stub_table::relocate_stub): Change parameter type of stub from
7024           Reloc_stub pointer to Stub pointer.
7025           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7026           (Stub_table::Cortex_a8_stub_list): New typedef.
7027           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7028            Stub_table::prev_addralign_): New data member.
7029           (Arm_relobj::Arm_relobj): Initialize data member
7030           section_has_cortex_a8_workaround_.
7031           (Arm_relobj::section_has_cortex_a8_workaround,
7032            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7033            definitions.
7034           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7035           declarations.
7036           (Target_arm::relocate_stub): Change parameter type of stub from
7037           Reloc_stub pointer to Stub pointer.
7038           (Insn_template::size, Insn_template::alignment): Handle
7039           THUMB16_SPECIAL_TYPE.
7040           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7041            Stub_table::update_data_size_and_addralign,
7042            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7043           definitions.
7044           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7045           (Stub_table::do_write): Ditto.
7046           (Target_arm::do_relax): Adjust code for changes in Stub_table.
7047
7048 2010-01-08  Ian Lance Taylor  <iant@google.com>
7049
7050         PR 11108
7051         * symtab.h (class Symbol): Remove fields is_target_special_ and
7052         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7053         (Symbol::is_defined_in_discarded_section): New function.
7054         (Symbol::set_is_defined_in_discarded_section): New function.
7055         (Symbol::has_plt_offset): Rewrite.
7056         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7057         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7058         Don't initialize is_target_special_ or has_plt_offset_.
7059         Initialize is_defined_in_discarded_section_.
7060         (Symbol_table::add_from_relobj): If appropriate, set
7061         is_defined_in_discarded_section.
7062         * resolve.cc (Symbol::override_base_with_special): Don't test
7063         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7064         * target-reloc.h (relocate_section): Do special handling for
7065         symbols defined in discarded sections for global symbols as well
7066         as local symbols.
7067
7068 2010-01-08  Ian Lance Taylor  <iant@google.com>
7069
7070         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7071         the SHT_SYMTAB case.
7072
7073 2010-01-08  Ian Lance Taylor  <iant@google.com>
7074
7075         * object.cc (Sized_relobj::do_layout): Don't get confused if
7076         layout_eh_frame returns NULL.
7077
7078 2010-01-08  Ian Lance Taylor  <iant@google.com>
7079
7080         PR 11084
7081         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7082         dynamic symbol table, use the normal symbol table.
7083         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7084         symbol table.
7085
7086 2010-01-08  Ian Lance Taylor  <iant@google.com>
7087
7088         PR 11072
7089         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7090         sections.
7091
7092 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7093
7094         * version.cc (print_version): Change to "Copyright 2010".
7095
7096 2010-01-08  Ian Lance Taylor  <iant@google.com>
7097
7098         PR 10287
7099         PR 11063
7100         * i386.cc (class Target_i386): Change return type of plt_section
7101         to be non-const.
7102         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7103         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7104         tls_desc_rel_ field.
7105         (Output_data_plt_i386::rel_tls_desc): New function.
7106         (Target_i386::rel_tls_desc_section): New function.
7107         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7108         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7109         R_386_TLS_DESC reloc in rel_tls_desc_section.
7110         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7111         Define struct Tlsdesc_info.
7112         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7113         (Target_x86_64::do_reloc_symbol_index): New function.
7114         (Target_x86_64::add_tlsdesc_info): New function.
7115         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7116         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7117         tlsdesc_rel_ field.
7118         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7119         all callers.
7120         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7121         (Target_x86_64::rela_tlsdesc_section): New function.
7122         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7123         handling.
7124         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7125         (Target_x86_64::do_reloc_addend): New function.
7126         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7127         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7128         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7129         (Output_reloc::type): New function.
7130         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7131         (Output_reloc::is_target_specific): New function.
7132         (Output_reloc::target_arg): New function.
7133         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7134         absolute relocs and target specific relocs.
7135         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7136         add_target_specific.
7137         (class Output_data_reloc) [SHT_RELA]: Likewise.
7138         * output.cc (Output_reloc::Output_reloc): Add four new versions
7139         for absolute relocs and target specific relocs.
7140         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7141         (Output_reloc::get_symbol_index): Likewise.
7142         (Output_reloc::local_section_offset): Check that local_sym_index_
7143         is not TARGET_CODE or 0.
7144         (Output_reloc::symbol_value): Likewise.
7145         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7146         reloc.
7147         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7148         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7149         functions.
7150         * layout.cc (add_target_dynamic_tags): Use output section for
7151         DT_PLTRELSZ and DT_JMPREL.
7152
7153 2010-01-07  Ian Lance Taylor  <iant@google.com>
7154
7155         PR 11061
7156         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7157         function.
7158         (class Output_data_reloc_generic): Define.
7159         (class Output_data_reloc_base): Change base class to
7160         Output_data_reloc_generic.  Change add() method to call
7161         bump_relative_reloc_count for a relative reloc.  Remove
7162         sort_relocs_ field.
7163         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7164         to sort_relocs().
7165         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7166         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7167         appropriate.
7168         * layout.h (class Layout): Update declaration.
7169
7170 2010-01-07  Ian Lance Taylor  <iant@google.com>
7171
7172         * output.h (class Output_data): Add const version of
7173         output_section and do_output_section.
7174         (class Output_section_data): Add const version of
7175         do_output_section.
7176         (class Output_section): Likewise.
7177         * layout.cc (Layout::add_target_dynamic_tags): New function.
7178         * layout.h (class Layout): Update declarations.
7179         * arm.cc (Target_arm::do_finalize_sections): Use
7180         add_target_dynamic_tags.
7181         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7182         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7183         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7184         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7185
7186 2010-01-07  Ian Lance Taylor  <iant@google.com>
7187
7188         PR 11042
7189         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7190         object as needed.
7191
7192 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7193             Ian Lance Taylor  <iant@google.com>
7194
7195         PR 11019
7196         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7197         Xindex::read_symtab_xindex.
7198
7199 2010-01-07  Doug Kwan  <dougkwan@google.com>
7200
7201         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7202         (Insn_template::thumb16_bcond_insn): New method declaration.
7203         (Insn_template): Fix spelling.
7204         (Stub::thumb16_special): New method declaration.
7205         (Stub::do_write): Define virtual method which was previously pure
7206         virtual.
7207         (Stub::do_thumb16_special): New method declaration.
7208         (Stub::do_fixed_endian_write): New template member.
7209         (Reloc_stub::do_write): Remove.
7210         (Reloc_stub::do_fixed_endian_write): Remove.
7211         (Cortex_a8_stub): New class definition.
7212         (Stub_factory::make_cortex_a8_stub): New method definition.
7213         (Stub_factory::Stub_factory): Add missing static storage class
7214         qualifier for elf32_arm_stub_a8_veneer_blx.
7215
7216 2010-01-07  Ian Lance Taylor  <iant@google.com>
7217
7218         PR 10980
7219         * options.h (class General_options): Add --warn-unresolved-symbols
7220         and --error-unresolved-symbols.
7221         * errors.cc (Errors::undefined_symbol): Implement
7222         --warn-unresolved-symbols.
7223
7224         * options.h (class General_options): Add -z text and -z textoff.
7225         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7226
7227 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7228
7229         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7230         (Garbage_collection::cident_sections): New function.
7231         (Garbage_collection::add_cident_section): New function.
7232         (Garbage_collection::cident_sections_): New member.
7233         (gc_process_relocs): Add references to sections whose names are C
7234         identifiers.
7235         * gold.h (cident_section_start_prefix): New constant.
7236         (cident_section_stop_prefix): New constant.
7237         (is_cident): New function.
7238         * layout.cc (Layout::define_section_symbols): Replace string constants
7239         with the newly defined constants.
7240         * object.cc (Sized_relobj::do_layout): Track sections whose names are
7241         C identifiers.
7242         * testsuite/Makefile.am: Add gc_orphan_section_test.
7243         * testsuite/Makefile.in: Regenerate.
7244         * testsuite/gc_orphan_section_test.cc: New file.
7245         * testsuite/gc_orphan_section_test.sh: New file.
7246
7247 2010-01-06  Ian Lance Taylor  <iant@google.com>
7248
7249         PR 10980
7250         * options.h (class General_options): Add --warn-shared-textrel.
7251         * layout.cc (Layout::finish_dynamic_section): Implement
7252         --warn-shared-textrel.
7253
7254         PR 10980
7255         * options.h (class General_options): Add --warn-multiple-gp.
7256
7257 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7258
7259         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7260         $(THREADSLIB) and $(LIBDL).
7261         * Makefile.in: Rebuild.
7262
7263 2010-01-06  Ian Lance Taylor  <iant@google.com>
7264
7265         PR 10980
7266         * options.cc (General_options::parse_section_start): New function.
7267         (General_options::section_start): New function.
7268         (General_options::General_options): Initialize all members.
7269         * options.h: Include <map>
7270         (class General_options): Add --section-start.  Add section_starts_
7271         member.
7272         * layout.cc (Layout::attach_allocated_section_to_segment): If
7273         --section-start was used, set the address of the segment.  Remove
7274         local sort_sections.
7275         (Layout::relaxation_loop_body): If the address of the load segment
7276         has been set by --section-start, don't use it.
7277         * output.h (Output_segment::update_flags_for_output_section): New
7278         function.
7279         * output.cc (Output_segment::add_output_section): Call
7280         update_flags_for_output_section.
7281
7282 2010-01-05  Ian Lance Taylor  <iant@google.com>
7283
7284         PR 10980
7285         * options.h (class General_options): Add --undefined-version.
7286         * script.cc (struct Version_expression): Add was_matched_by_symbol
7287         field.
7288         (Version_script_info::matched_symbol): New function.
7289         (Version_script_info::get_symbol_version_helper): Call
7290         matched_symbol.
7291         (Version_script_info::check_unmatched_names): New function.
7292         * script.h (class Version_script_info): Update declarations.
7293         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
7294
7295         * options.h (class General_options): Use DEFINE_bool_alias for
7296         allow_multiple_definition.
7297         * resolve.cc (Symbol_table::should_override): Don't test
7298         allow_multiple_definition.
7299
7300         PR 10980
7301         * options.h (class General_options): Add --cref.
7302         * main.cc (main): Print cref table if --cref.  Don't close mapfile
7303         until after printing cref table.
7304         * cref.cc: Include "symtab.h".
7305         (class Cref_inputs): Define Cref_table_compare and Cref_table.
7306         (Cref_table_compare::operator()): New function.
7307         (Cref_inputs::gather_cref): New function.
7308         (filecol): New static const.
7309         (Cref_inputs::print_cref): New function.
7310         (Cref::print_cref): New function.
7311         * cref.h: Include <cstdio>.
7312         (class Cref): Update declarations.
7313         * mapfile.h (Mapfile::file): New function.
7314         * object.h (class Object): Define Symbols.  Declare virtual
7315         do_get_global_symbols.
7316         (Object::get_global_symbols): New function.
7317         * object.cc (Input_objects::add_object): Pass object to cref_ if
7318         --cref.
7319         (Input_objects::archive_start): Likewise.
7320         (Input_objects::archive_stop): Likewise.
7321         (Input_objects::print_cref): New function.
7322         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7323         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7324         --cref.
7325         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7326         function.
7327         * plugin.h (class Sized_pluginobj): Update declarations.
7328
7329 2010-01-05  Ian Lance Taylor  <iant@google.com>
7330
7331         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7332         to is_default_version.  Rename insdef to insdefault.
7333         (Symbol_table::add_from_relobj): Rename def to is_default_version
7334         and local to is_forced_local.
7335         (Symbol_table::add_from_pluginobj): Likewise.
7336         (Symbol_table::add_from_dynobj): Likewise.
7337         (Symbol_table::define_special_symbol): Rename insdef to
7338         insdefault.
7339
7340 2010-01-04  Ian Lance Taylor  <iant@google.com>
7341
7342         PR 10980
7343         * options.h (class General_options): Add
7344         --allow-multiple-definition and -z muldefs.
7345         * resolve.cc (Symbol_table::should_override): Don't warn about a
7346         multiple symbol definition if --allow-multiple-definition or -z
7347         muldefs.
7348
7349         PR 10980
7350         * options.h (class General_options): Add --add-needed and
7351         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7352         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7353         error if --copy-dt-needed-entries aka --add-needed is used and
7354         would cause a change in behaviour.
7355
7356         PR 10980
7357         * options.h (class General_options): Add -G as a short version of
7358         --shared.  Add no-op options -assert, -g, and -i.
7359
7360 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7361
7362         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7363         check for .text or .gnu.linkonce.t sections.
7364         * icf.cc (Icf::find_identical_sections): Ditto.
7365         Change the detection for mangled function name within the section
7366         name.
7367         * icf.h (is_section_foldable_candidate): New function.
7368
7369 2009-12-30  Ian Lance Taylor  <iant@google.com>
7370
7371         PR 10980
7372         * options.h (class General_options): Permit two dashes with
7373         --retain-symbols-file.
7374
7375 2009-12-30  Ian Lance Taylor  <iant@google.com>
7376
7377         PR 10979
7378         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7379         don't put the file header and segment headers in the text
7380         segment.
7381
7382         PR 10979
7383         * common.cc (Sort_commons::operator()): Stabilize sort when both
7384         entries are NULL.
7385         (Symbol_table::do_allocate_commons_list): When allocating common
7386         symbols, skip a symbol which is no longer common.
7387         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7388         an object before checking its type.
7389         * testsuite/common_test_2.c: New file.
7390         * testsuite/common_test_3.c: New file.
7391         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7392         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7393         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7394         (common_test_2_pic.o, common_test_2.so): New targets.
7395         (common_test_3_pic.o, common_test_3.so): New targets.
7396         * testsuite/Makefile.in: Rebuild.
7397
7398         PR 10979
7399         * script.cc (read_input_script): If we see a new SECTIONS clause,
7400         and we have added an input section, give an error.
7401         * layout.h (class Layout): Add have_added_input_section function.
7402         Add have_added_input_section_ field.
7403         * layout.cc (Layout::Layout): Initialize
7404         have_added_input_section_.
7405         (Layout::layout): Set have_added_input_section_.
7406         (Layout::layout_eh_frame): Likewise.
7407
7408 2009-12-30  Ian Lance Taylor  <iant@google.com>
7409
7410         PR 10931
7411         * options.h (class General_options): Add --sort-common option.
7412         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7413         * common.cc (Sort_common): Add sort_order parameter to
7414         constructor.  Add sort_order_ field.
7415         (Sort_commons::operator): Check sort_order_.
7416         (Symbol_table::allocate_commons): Determine the sort order.
7417         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7418         Change all callers.
7419         (Symbol_table::do_allocate_commons_list): Likewise.
7420
7421 2009-12-30  Ian Lance Taylor  <iant@google.com>
7422
7423         PR 10916
7424         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7425         symbols from this object, don't change the visibility of an
7426         undefined symbol.
7427         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7428
7429 2009-12-30  Ian Lance Taylor  <iant@google.com>
7430
7431         PR 10861
7432         * script.h (class Version_script_info): Define Language enum.
7433         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7434         new fields globals_, locals_, and is_finalized_.
7435         * script.cc: Various formatting fixes.
7436         (class Parser_closure): Change language_stack_ from a vector of
7437         std::string to one of Version_script_info::Language.  Adjust all
7438         uses accordingly.
7439         (class Lazy_demangler): Remove.
7440         (struct Version_expression): Change language from std::string to
7441         Version_script_info::Language.
7442         (Version_script_info::Version_script_info): New function.
7443         (Version_script_info::~Version_script_info): Don't call clear.
7444         (Version_script_info::finalize): New function.
7445         (Version_script_info::build_lookup_tables): New function.
7446         (Version_script_info::build_expression_list_lookup): New
7447         function.
7448         (Version_script_info::get_symbol_version_helper): Rewrite to use
7449         lookup tables.
7450         (Version_script_info::print_expression_list): Adjust to use
7451         Version_script_info::Language.
7452         (script_push_lex_into_version_mode): Check that the version script
7453         has not been finalized.
7454         (version_script_push_lang): Change language string to
7455         Version_script_info::Language.
7456         * options.cc (Command_line::version_script): New function.
7457         * options.h (class General_options): Add finalize_dynamic_list
7458         function.  Change version_script from declaration to definition.
7459         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7460         * testsuite/version_script.map: Remove duplicate def of foo.
7461         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7462         version_script.map.
7463         * testsuite/Makefile.in: Rebuild.
7464
7465 2009-12-30  Ian Lance Taylor  <iant@google.com>
7466
7467         PR 10843
7468         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7469         if the input symbol index is 0, make the output symbol index 0.
7470
7471 2009-12-30  Ian Lance Taylor  <iant@google.com>
7472
7473         PR 10670
7474         * options.h (class General_options): Add -x/--discard-all.
7475         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7476         --discard-all.  If the local symbol needs a dynamic entry, check
7477         that before handling --discard-locals.
7478
7479 2009-12-30  Ian Lance Taylor  <iant@google.com>
7480
7481         PR 10450
7482         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7483         flags to PF_R.
7484         (Output_segment::add_output_section): Don't change the flags if
7485         the type is PT_TLS.
7486
7487         PR 10450
7488         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7489         GNU hash table if they need a dynamic value.  Otherwise, don't add
7490         them if they are defined in a dynamic object or are forced local.
7491
7492 2009-12-29  Ian Lance Taylor  <iant@google.com>
7493
7494         PR 10450
7495         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7496         .gnu.hash table for a 32-bit target.
7497
7498         PR 10450
7499         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7500         regular and a dynamic object only needs a dynamic symbol table
7501         entry if it is externally visible.
7502
7503         PR 10450
7504         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7505         constructor.  Add global_offset_table_ field.
7506         (Target_i386::got_section): Set global_offset_table_.
7507         (Target_i386::do_finalize_sections): Set global_offset_table_
7508         size.
7509         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7510         in constructor.  Add global_offset_table_ field.
7511         (Target_x86_64::got_section): Set global_offset_table_.
7512         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7513         size.
7514
7515         * layout.cc (Layout::Layout): Initialize increase_relro_.
7516         (Layout::get_output_section): Add is_relro, is_last_relro, and
7517         is_first_non_relro parameters.  Change all callers.
7518         (Layout::choose_output_section): Likewise.
7519         (Layout::add_output_section_data): Likewise.
7520         (Layout::make_output_section): Likewise.
7521         (Layout::set_segment_offsets): Clear increase_relro when using a
7522         linker script.
7523         * layout.h (class Layout): Add increase_relro method.  Add
7524         increase_relro_ field.  Update declarations.
7525         * output.cc (Output_section::Output_section): Initialize
7526         is_last_relro_ and is_first_non_relro_.
7527         (Output_segment::add_output_section): Group relro sections is
7528         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7529         (Output_segment::maximum_alignment): Remove relro handling.
7530         (Output_segment::set_section_addresses): Add increase_relro
7531         parameter.  Change all callers.  Add initial alignment to align
7532         relro sections on separate page.  Remove old relro handling.
7533         (Output_segment::set_section_list_addresses): Remove in_relro
7534         parameter.  Change all callers.
7535         (Output_segment::set_offset): Add increase parameter.  Change all
7536         callers.  Remove old relro handling.
7537         * output.h (class Output_section): Add new methods: is_last_relro,
7538         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7539         Add is_last_relro_ and is_first_non_relro_ fields.
7540         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7541         Create separate .got.plt section.  Call increase_relro.
7542         * x86_64.cc (Target_x86_64::got_section): Likewise.
7543         * testsuite/relro_script_test.t: Add .got.plt.
7544
7545         PR 10450
7546         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7547         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7548         (Layout::finalize): Call set_dynamic_symbol_size.
7549         (Layout::set_dynamic_symbol_size): New function.
7550         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7551         set_dynamic_symbol_size.
7552
7553         PR 10450
7554         * output.h (class Output_section): Add is_entsize_zero_ field.
7555         * output.cc (Output_section::Output_section): Initialize
7556         is_entsize_zero_.
7557         (Output_section::set_entsize): If two different entsizes are
7558         requested, force it to zero.
7559         (Output_section::add_input_section): Set flags for .debug_str
7560         before updating section flags.  Set entsize.
7561         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7562         and SHF_STRING if all input sections have those flags.
7563
7564 2009-12-29   Rafael Espindola  <espindola@google.com>
7565
7566         * main.cc (main): Fix the sys time reporting.
7567         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7568         reporting.
7569
7570 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7571
7572         * options.cc (General_options::parse_version): Allow -v to exit
7573         without an error if there is nothing to link.
7574
7575 2009-12-29  Ian Lance Taylor  <iant@google.com>
7576
7577         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7578         using a version of gcc before 4.1.
7579         * configure: Rebuild.
7580
7581 2009-12-28  Chris Demetriou  <cgd@google.com>
7582
7583         * attributes.cc (Output_attributes_section_data::do_write): Use
7584         std::vector::front rather than std::vector::data.
7585
7586 2009-12-28  Ian Lance Taylor  <iant@google.com>
7587
7588         * symtab.h (class Symbol_table): Add enum Defined.
7589         * resolve.cc (Symbol_table::should_override): Add defined
7590         parameter.  Change all callers.  Test whether object is NULL
7591         before calling a method on it.
7592         (Symbol_table::report_resolve_problem): Add defined parameter.
7593         Change all callers.
7594         (Symbol_table::should_override_with_special): Likewise.
7595         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7596         parameter.  Change all callers.
7597         (Symbol_table::do_define_in_output_data): Likewise.
7598         (Symbol_table::define_in_output_segment): Likewise.
7599         (Symbol_table::do_define_in_output_segment): Likewise.
7600         (Symbol_table::define_as_constant): Likewise.
7601         (Symbol_table::do_define_as_constant): Likewise.
7602         * script.h (class Symbol_assignment): Add is_defsym parameter to
7603         constructor; change all callers.
7604         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7605         parameter.  Change all callers.  Add is_defsym_ field.
7606         (class Parser_closure): Add parsing_defsym parameter to
7607         constructor; change all callers.  Add parsing_defsym accessor
7608         function.  Add parsing_defsym_ field.
7609
7610 2009-12-28  Ian Lance Taylor  <iant@google.com>
7611
7612         * gold.cc (queue_middle_tasks): Fix formatting.
7613         * object.cc (Relobj::is_section_name_included): Likewise.
7614
7615 2009-12-23  Ian Lance Taylor  <iant@google.com>
7616
7617         * i386.cc (Target_i386::do_calls_non_split): Recognize
7618         -fsplit-stack prologue for a function with a static chain.
7619         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7620         -fsplit-stack prologue when using %r11.
7621
7622 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7623
7624         * options.cc (General_options::parse_version): Make -v continue and do
7625         the link like GNU ld does.
7626
7627 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7628
7629         * Makefile.am (CCFILES): Add timer.cc.
7630         (HFILES): Add timer.h.
7631         * configure.ac: Check for sysconf and times.
7632         * main.cc: include timer.h.
7633         (main): Use Timer instead of get_run_time.
7634         * timer.cc: New.
7635         * timer.h: New.
7636         * workqueue.cc: include timer.h.
7637         (Workqueue::find_and_run_task):
7638         Report user, sys and wall time.
7639         * Makefile.in: Regenerate.
7640         * config.in: Regenerate.
7641         * configure: Regenerate.
7642
7643 2009-12-16  Doug Kwan  <dougkwan@google.com>
7644
7645         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7646         sections.
7647         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7648         relaxed input sections.
7649         * output.cc (Output_section::find_relaxed_input_section): Change
7650         return type to Output_relaxed_input_section pointer.  Adjust code
7651         for new type of relaxed_input_section_map_.
7652         * output.h (Output_section::find_relaxed_input_section): Change
7653         return type to Output_relaxed_input_section pointer.
7654         (Output_section::Output_relaxed_input_section_by_input_section_map):
7655         New type.
7656         (Output_section::relaxed_input_section_map_): Change type to
7657         Output_section::Output_relaxed_input_section_by_input_section_map.
7658         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7659         input section.
7660
7661 2009-12-15  Ian Lance Taylor  <iant@google.com>
7662
7663         * layout.cc (Layout::create_shstrtab): Only write out after input
7664         sections if we are compressing debug sections.
7665
7666 2009-12-15  Ian Lance Taylor  <iant@google.com>
7667
7668         * archive.cc (Archive::add_symbols): Only look up a symbol without
7669         a version if there is, in fact, a version.
7670
7671 2009-12-14  Ian Lance Taylor  <iant@google.com>
7672
7673         Revert -Wshadow changes, all changes from:
7674         2009-12-11  Doug Kwan  <dougkwan@google.com>
7675         2009-12-11  Nick Clifton  <nickc@redhat.com>
7676         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7677
7678 2009-12-11  Doug Kwan  <dougkwan@google.com>
7679
7680         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7681         due to -Wshadow.
7682         * attributes.cc (Object_attribute::size): Ditto.
7683         (Attributes_section_data::size): Ditto.
7684         (Attributes_section_data::Attributes_section_data): Ditto.
7685         (Output_attributes_section_data::do_write): Ditto.
7686         * attributes.h (Object_attribute::set_type): Ditto.
7687         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7688
7689 2009-12-11  Nick Clifton  <nickc@redhat.com>
7690
7691         * archive.cc: Fix shadowed variable warnings.
7692         * arm.cc: Likewise.
7693         * compressed_output.cc: Likewise.
7694         * compressed_output.h: Likewise.
7695         * configure: Likewise.
7696         * dwarf_reader.cc: Likewise.
7697         * dynobj.cc: Likewise.
7698         * dynobj.h: Likewise.
7699         * ehframe.cc: Likewise.
7700         * ehframe.h: Likewise.
7701         * errors.cc: Likewise.
7702         * expression.cc: Likewise.
7703         * fileread.cc: Likewise.
7704         * fileread.h: Likewise.
7705         * freebsd.h: Likewise.
7706         * i386.cc: Likewise.
7707         * icf.cc: Likewise.
7708         * incremental.h: Likewise.
7709         * layout.cc: Likewise.
7710         * layout.h: Likewise.
7711         * mapfile.cc: Likewise.
7712         * merge.cc: Likewise.
7713         * merge.h: Likewise.
7714         * object.cc: Likewise.
7715         * object.h: Likewise.
7716         * options.h: Likewise.
7717         * output.cc: Likewise.
7718         * output.h: Likewise.
7719         * parameters.cc: Likewise.
7720         * plugin.cc: Likewise.
7721         * powerpc.cc: Likewise.
7722         * reduced_debug_output.cc: Likewise.
7723         * reduced_debug_output.h: Likewise.
7724         * reloc.cc: Likewise.
7725         * reloc.h: Likewise.
7726         * resolve.cc: Likewise.
7727         * script-sections.cc: Likewise.
7728         * script.cc: Likewise.
7729         * script.h: Likewise.
7730         * sparc.cc: Likewise.
7731         * symtab.cc: Likewise.
7732         * symtab.h: Likewise.
7733         * target-select.cc: Likewise.
7734         * target-select.h: Likewise.
7735         * token.h: Likewise.
7736         * workqueue.cc: Likewise.
7737         * workqueue.h: Likewise.
7738         * x86_64.cc: Likewise.
7739
7740 2009-12-10  Doug Kwan  <dougkwan@google.com>
7741
7742         * arm.cc (attributes.h): New include.
7743         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7744         (Arm_relobj::~Arm_relobj): Delete object pointed by
7745         attributes_section_data_.
7746         (Arm_relobj::attributes_section_data): New method definition.
7747         (Arm_relobj::attributes_section_data_): New data member declaration.
7748         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7749         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7750         attributes_section_data_.
7751         (Arm_dynobj::attributes_section_data): New method definition.
7752         (Arm_dynobj::attributes_section_data_): New data member declaration.
7753         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7754         initialization value of may_use_blx_ to false.
7755         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7756         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7757         object attributes to compute results instead of hard-coding.
7758         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7759         Target_arm::get_secondary_compatible_arch,
7760         Target_arm::set_secondary_compatible_arch
7761         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7762         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7763         New method declarations.
7764         (Target_arm::get_aeabi_object_attribute): New method definition.
7765         (Target_arm::attributes_section_data_): New data member declaration.
7766         (read_arm_attributes_section): New template definition.
7767         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7768         (Arm_dynobj::do_read_symbols): Ditto.
7769         (Target_arm::do_finalize_sections): Merge attributes sections from
7770         input.  Check for BLX use after attributes section merging.
7771         Fix __exidx_start and __exidx_end visibility.  Create an
7772         .ARM.attributes section if necessary.
7773         (Target_arm::get_secondary_compatible_arch,
7774         Target_arm::set_secondary_compatible_arch,
7775         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7776         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7777         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7778         New method definitions.
7779
7780 2009-12-09  Ian Lance Taylor  <iant@google.com>
7781
7782         * plugin.cc (Plugin::load): Don't cast from void* to a function
7783         pointer.
7784
7785 2009-12-09  Ian Lance Taylor  <iant@google.com>
7786
7787         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7788         information fields.
7789
7790 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7791
7792         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7793         Replace two_file_shared_1.so with two_file_shared_2.so.
7794         * testsuite/Makefile.in: Regenerated.
7795
7796 2009-12-08  Doug Kwan  <dougkwan@google.com>
7797
7798         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7799         (HFILES): Add attributes.h and int_encoding.h.
7800         * Makefile.in: Regenerate.
7801         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7802         function definitions to int_encoding.cc
7803         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7804         prototypes to int_encoding.h
7805         * reduced_debug_output.cc (int_encoding.h): New include.
7806         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7807         function definitions to int_encoding.cc
7808         (insert_into_vector, read_from_pointer): Move template definitions to
7809         int_encoding.h
7810         * attributes.cc: New file.
7811         * attributes.h: New file.
7812         * int_encoding.cc: New file.
7813         * int_encoding.h: New file.
7814
7815 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7816
7817         PR gold/11055
7818         * incremental-dump.cc (dump_incremental_inputs): New.
7819         (main): Use dump_incremental_inputs.
7820
7821 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7822
7823         PR gold/10893
7824         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7825         checking elfcpp::STT_FUNC.
7826         (Target_i386::Relocate::relocate): Likewise.
7827         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7828
7829         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7830         symbols from shared libraries into normal FUNC symbols.
7831
7832         * symtab.h (Symbol): Add is_func and use it.
7833
7834 2009-12-05  Doug Kwan  <dougkwan@google.com>
7835
7836         * arm.cc (Target_arm::arm_info): Initialize new fields
7837         attributes_section and attributes_vendor.
7838         * i386.cc (Target_i386::i386_info): Same.
7839         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7840         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7841         fields attributes_section and attributes_vendor.
7842         * sparc.cc (Target_sparc::sparc_info): Same.
7843         * target.h (Target::attributes_section, Target::attributes_vendor,
7844         Target::is_attributes_section, Target::attribute_arg_type,
7845         Target::attributes_order): New method definitions.
7846         (Target::Target_info::attributes_section,
7847         Target::Target_info::attributes_vendor): New fields.
7848         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7849         virtual method definitions.
7850         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7851         attributes_section and attributes_vendor.
7852         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7853
7854 2009-12-05  Doug Kwan  <dougkwan@google.com>
7855
7856         * arm.cc: Update comments about interworking and stub generation.
7857         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7858         considered as non-PIC.
7859         (Arm_relocate_functions::base_abs): Fix formatting.
7860         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7861         of function to use GOT entry address instead of offset.
7862         (Target_arm::Scan::global): Issue an error if a symbol would need a
7863         PLT does not get one because it is untyped.  Remove code to create
7864         dynamic symbols for relative branches.
7865         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7866         takes unsigned integer instead of boolean.
7867
7868 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7869
7870         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7871         (two_file_test_LDADD): Likewise.
7872         (common_test_1_LDADD): Likewise.
7873         (exception_test_LDADD) Likewise.
7874         (weak_test_LDADD): Likewise.
7875         (many_sections_test_LDADD): Likewise.
7876         (initpri1_LDADD): Likewise.
7877         (script_test_1_LDADD): Likewise.
7878         (script_test_2_LDADD): Likewise.
7879         (justsyms_LDADD): Likewise.
7880         (binary_test_LDADD): Likewise.
7881         (large_LDADD): Likewise.
7882         * testsuite/Makefile.in: Regenerated.
7883
7884 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7885
7886         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7887         (Symbol_table::override_with_special): Likewise.
7888         (Symbol_table::add_from_object): Likewise.
7889
7890 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7891
7892         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7893         Don't set the data_offset twice.
7894
7895 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7896
7897         * testsuite/Makefile.in: Regenerate.
7898
7899 2009-12-03  Doug Kwan  <dougkwan@google.com>
7900
7901         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7902         (Target_arm::do_finalize_sections): Add parameter for symbol table
7903         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7904         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7905         parameter for symbol table pointer.
7906         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7907         an additional parameter for a pointer to symbol table.
7908         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7909         parameter for a symbol table pointer.
7910         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7911         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7912         Ditto.
7913         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7914         parameter for a symbol table pointer.
7915
7916 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7917
7918         * incremental.cc (Incremental_inputs_header)
7919         (Incremental_inputs_header_write, Incremental_inputs_entry)
7920         (Incremental_inputs_entry_write): Move ...
7921         * incremental.h (Incremental_inputs_header)
7922         (Incremental_inputs_header_write, Incremental_inputs_entry)
7923         (Incremental_inputs_entry_write): here.
7924
7925 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7926
7927         * incremental.cc (make_sized_incremental_binary): Set the target.
7928         Error if it is incompatible.
7929         * output.h (Output_file): Add filename method.
7930
7931 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7932
7933         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7934         from the get_* methods.
7935
7936 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7937
7938         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7939         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7940         Write 0 for the data_offset of scripts.
7941
7942 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7943
7944         * testsuite/Makefile.am: Add the incremental_test.sh test.
7945         * testsuite/incremental_test.sh: New.
7946         * testsuite/incremental_test_1.c: New.
7947         * testsuite/incremental_test_2.c: New.
7948
7949 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7950
7951        * incremental-dump.cc (main): Fix typos.
7952
7953 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7954
7955         PR gold/11025
7956         * incremental-dump.cc (main): Use llu to print 64 bit values.
7957
7958 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7959             H.J. Lu  <hongjiu.lu@intel.com>
7960
7961         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7962         $(LIBDL).
7963         (incremental_dump_LDADD): Likewise.
7964         * Makefile.in: Regenerated.
7965
7966 2009-11-25  Doug Kwan  <dougkwan@google.com>
7967
7968         Revert:
7969
7970         2009-11-25  Doug Kwan  <dougkwan@google.com>
7971
7972                 * arm.cc (Target_arm::Target_arm): Move method definition
7973                 outside of class definition.  Add code to handle
7974                 --target1-rel, --target1-abs and --target2= options.
7975                 (Target_arm::get_reloc_reloc_type): Change method to be
7976                 non-static and const.
7977                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7978                 New data member declaration.
7979                 (Target_arm::Scan::local, Target_arm::Scan::global,
7980                 Target_arm::Relocate::relocate,
7981                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7982                 Adjust call to Target_arm::get_real_reloc_type.
7983                 (Target_arm::get_real_reloc_type): Use command line options
7984                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7985                 * options.h (--target1-rel, --target1-abs, --target2): New
7986                 ARM-only options.
7987
7988 2009-11-25  Doug Kwan  <dougkwan@google.com>
7989
7990         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7991         class definition.  Add code to handle --target1-rel, --target1-abs
7992         and --target2= options.
7993         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7994         and const.
7995         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7996         member declaration.
7997         (Target_arm::Scan::local, Target_arm::Scan::global,
7998         Target_arm::Relocate::relocate,
7999         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8000         call to Target_arm::get_real_reloc_type.
8001         (Target_arm::get_real_reloc_type): Use command line options to
8002         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8003         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8004         options.
8005
8006 2009-11-25  Doug Kwan  <dougkwan@google.com>
8007
8008         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8009         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8010         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8011         formatting.
8012         (Arm_relocate_functions::thm_call): Replace body with a call to
8013         Arm_relocate_functions::thumb_branch_common.
8014         (Arm_relocate_functions::thm_jump24,
8015         Arm_relocate_functions::thm_xpc22): New method definitions.
8016         (Arm_relocate_functions::thumb_branch_common): New method definition.
8017         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8018         operator.
8019         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8020         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8021
8022 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8023
8024         * Makefile.am: Build incremental-dump
8025         * Makefile.in: Regenerate.
8026         * incremental-dump.cc: New.
8027         * incremental.cc (Incremental_inputs_header_data,
8028         Incremental_inputs_entry_data): Move to incremental.h
8029         * incremental.h: (Incremental_inputs_header_data,
8030         Incremental_inputs_entry_data): Move from incremental.cc
8031
8032 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8033
8034         * incremental.cc (Incremental_inputs_header,
8035         Incremental_inputs_header_write, Incremental_inputs_entry,
8036         Incremental_inputs_entry_write): Add a typedef with the data type.
8037
8038 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8039
8040         * incremental.cc (Incremental_inputs_header,
8041         Incremental_inputs_header_write, Incremental_inputs_entry,
8042         Incremental_inputs_entry_write): Update comment about which
8043         type has the filed descriptions.
8044
8045 2009-11-15  Doug Kwan  <dougkwan@google.com>
8046
8047         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8048         (Arm_relocate_functions::arm_branch_common): Change method defintion
8049         in class definition to a method declaration and update list of formal
8050         parameters.
8051         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8052         Arm_relocation_functions::jump24): Adjust call to
8053         Arm_relocate_functions::arm_branch_common.  Update list of formal
8054         parameters.
8055         (Arm_relocate_functions::xpc25): New method definition.
8056         (Arm_relocate_functions::arm_branch_common): Move method defintion
8057         out from class definition.  Use stubs for mode-switching and extending
8058         branch ranges.
8059         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8060         specially.  Change code to enable use of stubs in ARM branches.
8061
8062 2009-11-10  Doug Kwan  <dougkwan@google.com>
8063
8064         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8065         in method declaration.
8066         (Target_arm::relocate_stub): New method declaration.
8067         (Target_arm::default_target): Change to return a pointer instead of
8068         a const reference.
8069         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8070         Target_arm::default_target.
8071         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8072         method definition.
8073         (Target_arm::relocate_section): Adjust view.
8074         (Target_arm::relocate_stub): New method definition.
8075
8076 2009-11-10  Doug Kwan  <dougkwan@google.com>
8077
8078         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8079         a format warning.
8080         * incremental.cc (open_incremental_binary): Initialized local
8081         variables to avoid warnings.
8082         * object.cc (make_elf_object): Ditto.
8083         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8084         a format warning.
8085
8086 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8087
8088         PR gold/10930
8089         * testsuite/plugin_test.c: Include "config.h".
8090
8091 2009-11-09  Doug Kwan  <dougkwan@google.com>
8092
8093         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8094         (arm_symbol_value): Remove.
8095         (Arm_relocate_functions::arm_branch_common,
8096         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8097         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8098         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8099         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8100         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8101         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8102         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8103         Arm_relocate_functions::thm_mobw_abs_nc,
8104         Arm_relocate_functions::thm_mov_abs,
8105         Arm_relocate_functions::movw_prel_nc,
8106         Arm_relocate_functions::thm_movt_abs,
8107         Arm_relocate_functions::movt_prel,
8108         Arm_relocate_functions::thm_movw_prel_nc,
8109         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8110         (Target_arm::Relocate::relocate): Only decompose address into two
8111         parts if relocation type uses the thumb-bit and pass the actual
8112         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8113         calls to methods in Arm_relocate_functions for this change.
8114
8115 2009-11-08  Ian Lance Taylor  <iant@google.com>
8116
8117         PR 10925
8118         * reloc.cc: Instantiate
8119         Sized_relobj::initialize_input_to_output_maps and
8120         Sized_relobj:free_input_to_output_maps.
8121
8122 2009-11-06  Ian Lance Taylor  <iant@google.com>
8123
8124         PR 10876
8125         * defstd.cc (in_segment): Set only_if_ref true for "end".
8126
8127 2009-11-06  Doug Kwan  <dougkwan@google.com>
8128
8129         * arm.cc (class Reloc_stub): Correct a comment.
8130         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8131         (Target_arm::scan_section_for_stubs): New method declaration.
8132         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8133         Change methods from private to protected.
8134         (Target_arm::do_may_relax): New method definition.
8135         (Target_arm::do_relax, Target_arm::group_sections,
8136         Target_arm::scan_reloc_for_stub,
8137         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8138         (Target_arm::arm_input_section_map_): New data member declaration.
8139         (Target_arm::scan_reloc_for_stub,
8140         Target_arm::scan_reloc_section_for_stubs,
8141         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8142         Target_arm::do_relax): New method definitions.
8143
8144 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8145
8146         * configure.ac: Check for (struct stat)::st_mtim
8147         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8148         * config.in: Regenerate.
8149         * configure: Regenerate.
8150
8151 2009-11-05  Ian Lance Taylor  <iant@google.com>
8152
8153         PR 10910
8154         * output.cc (Output_segment::add_output_section): Add missing
8155         return statement.
8156
8157 2009-11-04  Ian Lance Taylor  <iant@google.com>
8158
8159         PR 10880
8160         * object.h (class Object): Add is_needed and set_is_needed
8161         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8162         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8163         defined in a dynamic object and referenced by a regular object,
8164         set is_needed for the dynamic object.
8165         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8166         if the file is marked with as_needed and it is not needed.
8167
8168 2009-11-04  Ian Lance Taylor  <iant@google.com>
8169
8170         PR 10887
8171         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8172         tags if data is discarded by linker script.
8173         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8174         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8175         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8176         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8177
8178 2009-11-04  Ian Lance Taylor  <iant@google.com>
8179
8180         * layout.cc (Layout::get_output_section): Add is_interp and
8181         is_dynamic_linker_section parameters.  Change all callers.
8182         (Layout::choose_output_section): Likewise.
8183         (Layout::make_output_section): Likewise.
8184         (Layout::add_output_section_data): Add is_dynamic_linker_section
8185         parameter.  Change all callers.
8186         * layout.h (class Layout): Update declarations.
8187         * output.h (class Output_section): Add is_interp, set_is_interp,
8188         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8189         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8190         generate_code_fills_at_write_ to a bitfield.
8191         * output.cc (Output_section::Output_sections): Initialize new
8192         fields.
8193         (Output_segment::add_output_section): Add do_sort parameter.
8194         Change all callers.
8195
8196 2009-11-03  Ian Lance Taylor  <iant@google.com>
8197
8198         PR 10860
8199         * options.h (class General_options): Add --warn-common.
8200         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8201         merging two common symbols.
8202         (Symbol_table::should_override): Handle --warn-common when merging
8203         a common symbol with a defined symbol.  Use report_resolve_problem
8204         for multiple definitions.
8205         (Symbol_table::report_resolve_problem): New function.
8206         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8207
8208 2009-11-03  Doug Kwan  <dougkwan@google.com>
8209
8210         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8211         stub_factory_.
8212         (Target_arm::stub_factory): New method definition.
8213         (Target_arm::new_arm_input_section,
8214         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8215         Target_arm::reloc_uses_thumb_bit): New method declarations.
8216         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8217         New type definitions.
8218         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8219         member declarations.
8220         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8221         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8222         New method definitions.
8223
8224 2009-11-03  Ian Lance Taylor  <iant@google.com>
8225
8226         * options.h (class General_options): Add --warn_constructors.
8227
8228 2009-11-03  Ian Lance Taylor  <iant@google.com>
8229
8230         PR 10893
8231         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8232         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
8233
8234 2009-11-03  Ian Lance Taylor  <iant@google.com>
8235
8236         PR 10895
8237         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
8238         --msgid-bugs-address.
8239         (install-pdf): New target.
8240         (install-data_yes): Look up one directory to find mkinstalldirs.
8241
8242 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
8243
8244         * po/Make-in (.po.gmo): Don't generate .gmo files in source
8245         tree.
8246
8247 2009-10-30  Doug Kwan  <dougkwan@google.com>
8248
8249         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8250
8251 2009-10-30  Doug Kwan  <dougkwan@google.com>
8252
8253         * arm.cc (Stub_addend_reader): New struct template definition
8254         and partial specializations.
8255         (Stub_addend_reader::operator()): New method definition for a
8256         partially specialized template.
8257
8258 2009-10-30  Doug Kwan  <dougkwan@google.com>
8259
8260         * arm.cc (Arm_relobj::processor_specific_flags): New method
8261         definition.
8262         (Arm_relobj::do_read_symbols): New method declaration.
8263         (Arm_relobj::processor_specific_flags_): New data member declaration.
8264         (Arm_dynobj): New class definition.
8265         (Target_arm::do_finalize_sections): Add input_objects parameter.
8266         (Target_arm::do_adjust_elf_header): New method declaration.
8267         (Target_arm::are_eabi_versions_compatible,
8268         (Target_arm::merge_processor_specific_flags): New method declaration.
8269         (Target_arm::do_make_elf_object): New overloaded method definitions
8270         and declaration.
8271         (Arm_relobj::do_read_symbols): New method definition.
8272         (Arm_dynobj::do_read_symbols): Ditto.
8273         (Target_arm::do_finalize_sections): Add input_objects parameters.
8274         Merge processor-specific flags from all input objects.
8275         (Target_arm::are_eabi_versions_compatible,
8276         Target_arm::merge_processor_specific_flags,
8277         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8278         New method definitions.
8279         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8280         Input_objects pointer type parameter.
8281         * layout.cc (Layout::finalize): Pass input objects to target's.
8282         finalize_sections function.
8283         * output.cc (Output_file_header::do_sized_write): Set ELF file
8284         header's processor-specific flags.
8285         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8286         Input_objects pointer type parameter.
8287         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8288         * target.h (Input_objects): New forward class declaration.
8289         (Target::processor_specific_flags,
8290         Target::are_processor_specific_flags_sect): New method definitions.
8291         (Target::finalize_sections): Add input_objects parameter.
8292         (Target::Target): Initialize processor_specific_flags_ and
8293         are_processor_specific_flags_set_.
8294         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
8295         parameter.
8296         (Target::set_processor_specific_flags): New method definition.
8297         (Target::processor_specific_flags_,
8298         Target::are_processor_specific_flags_set_): New data member
8299         declarations.
8300         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
8301         Input_objects pointer type parameter.
8302
8303 2009-10-30  Doug Kwan  <dougkwan@google.com>
8304
8305         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
8306
8307 2009-10-28  Ian Lance Taylor  <iant@google.com>
8308
8309         * object.h (class Relobj): Drop options parameter from
8310         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
8311         do_scan_relocs, do_relocate.  Change all callers.
8312         (class Sized_relobj): Drop options parameters from
8313         do_gc_process_relocs, do_scan_relocs, do_relocate,
8314         do_relocate_sections, relocate_sections, emit_relocs_scan,
8315         emit_relocs_scan_reltype.  Change all callers.
8316         (struct Relocate_info): Remove options field and all references to
8317         it.
8318         * reloc.h (class Read_relocs): Remove options constructor
8319         parameter and options_ field.  Change all callers.
8320         (class Gc_process_relocs, class Scan_relocs): Likewise.
8321         (class Relocate_task): Likewise.
8322         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8323         all callers.
8324         (scan_relocatable_relocs): Likewise.
8325         * target.h (class Sized_target): Remove options parameter from
8326         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8327         all callers.
8328         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8329         callers.
8330         * arm.cc: Update functions to remove options parameters.
8331         * i386.cc: Likewise.
8332         * powerpc.cc: Likewise.
8333         * sparc.cc: Likewise.
8334         * x86_64.cc: Likewise.
8335         * testsuite/testfile.cc: Likewise.
8336
8337 2009-10-28  Doug Kwan  <dougkwan@google.com>
8338
8339         * arm.cc (Arm_relobj): New class definition.
8340         (Arm_relobj::scan_sections_for_stubs,
8341         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8342         New method definitions.
8343
8344 2009-10-28  Cary Coutant  <ccoutant@google.com>
8345
8346         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8347         (Plugin::cleanup_done_): New member.
8348         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8349         (Plugin_manager::cleanup_done_): Remove.
8350         (Plugin_manager::add_input_file): Edit error message.
8351         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8352         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8353
8354 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8355
8356         * fileread.cc: (File_read::View::~View): Use the new
8357         data_ownership_ filed.
8358         (File_read::~File_read): Dispose the new whole_file_view_.
8359         (File_read::open): Mmap the whole file if needed.
8360         (File_read::open): Use whole_file_view_ instead of contents_.
8361         (File_read::find_view): Use whole_file_view_ if applicable.
8362         (File_read::do_read): Use whole_file_view_ instead of contents_.
8363         (File_read::make_view): Use whole_file_view_ instead of contents_,
8364         update File_read::View::View call.
8365         (File_read::find_or_make_view): Update File_read::View::View
8366         call.
8367         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8368         remove contents_
8369         (File_read::View::Data_ownership): New enum.
8370         (File_read::View::View): Replace bool mapped_ with Data_ownership
8371         argument.
8372         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8373         (File_read::View::data_ownership_): New field.
8374         (File_read::contents_): Remove (replaced by whole_file_view_).
8375         (File_read::whole_file_view_): New field.
8376         * options.h (class General_options): Add --keep-files-mapped.
8377
8378 2009-10-27  Cary Coutant  <ccoutant@google.com>
8379
8380         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8381         * testsuite/Makefile.am (plugin_test_5): New test case.
8382         * testsuite/Makefile.in: Regenerate.
8383
8384 2009-10-25  Doug Kwan  <dougkwan@google.com>
8385
8386         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8387         from private to protected to allow access by child class.
8388         (Sized_relobj::do_relocate_sections): New method declaration.
8389         (Sized_relobj::relocate_sections): Virtualize.
8390         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8391         Sized_relobj::relocate_sections.  Instantiate template explicitly
8392         for different target sizes and endianity.
8393
8394 2009-10-24  Doug Kwan  <dougkwan@google.com>
8395
8396         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8397         (Arm_input_section::as_arm_input_section): New method.
8398         (Arm_output_section): New class definition.
8399         (Arm_output_section::create_stub_group,
8400         Arm_output_section::group_sections): New method definitions.
8401
8402 2009-10-22  Doug Kwan  <dougkwan@google.com>
8403
8404         * arm.cc (Arm_input_section): New class definition.
8405         (Arm_input_section::init, Arm_input_section:do_write,
8406         Arm_input_section::set_final_data_size,
8407         Arm_input_section::do_reset_address_and_file_offset): New method
8408         definitions.
8409
8410 2009-10-21  Doug Kwan  <dougkwan@google.com>
8411
8412         * arm.cc (Stub_table, Arm_input_section): New forward class
8413         declarations.
8414         (Stub_table): New class defintion.
8415         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8416         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8417         New method definition.
8418
8419 2009-10-21  Doug Kwan  <dougkwan@google.com>
8420
8421         * arm.cc: Update copyright comments.
8422         (Target_arm): New forward class template declaration.
8423         (Arm_address): New type.
8424         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8425         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8426         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8427         constants.
8428         (Insn_template): Same.
8429         (DEF_STUBS): New macro.
8430         (Stub_type): New enum type.
8431         (Stub_template): New class definition.
8432         (Stub): Same.
8433         (Reloc_stub): Same.
8434         (Stub_factory): Same.
8435         (Target_arm::Target_arm): Initialize may_use_blx_ and
8436         should_force_pic_veneer_.
8437         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8438         Target_arm::should_force_pic_veneer,
8439         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8440         Target_arm::using_thumb_only, Target_arm:;default_target): New
8441         method defintions.
8442         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8443         New data member declarations.
8444         (Insn_template::size, Insn_template::alignment): New method defintions.
8445         (Stub_template::Stub_template): New method definition.
8446         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8447         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8448         (Stub_factory::Stub_factory): New method definition.
8449         * gold.h (string_hash): New template.
8450         * output.h (Input_section_specifier::hash_value): Use
8451         gold::string_hash.
8452         (Input_section_specifier::string_hash): Remove.
8453         * stringpool.cc (Stringpool_template::string_hash): Use
8454         gold::string_hash.
8455
8456 2009-10-20  Doug Kwan  <dougkwan@google.com>
8457
8458         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8459         symbols of relaxed input sections.
8460         * output.h (Output_section::find_relaxed_input_section): Make
8461         method public.
8462
8463 2009-10-16  Doug Kwan  <dougkwan@google.com>
8464
8465         * dynobj.cc (Versions::Versions): Initialize version_script_.
8466         Only insert base version symbol definition for a shared object
8467         if version script defines any version versions.
8468         (Versions::define_base_version): New method definition.
8469         (Versions::add_def): Check that base version is not needed.
8470         (Versions::add_need): Define base version lazily.
8471         * dynobj.h (Versions::define_base_version): New method declaration.
8472         (Versions::needs_base_version_): New data member declaration.
8473         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8474         (check_DATA): Add no_version_test.stdout.
8475         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8476         New make rules.
8477         * testsuite/Makefile.in: Regenerate.
8478         * testsuite/no_version_test.c: New file.
8479         * testsuite/no_version_test.sh: Ditto.
8480
8481 2009-10-16  Doug Kwan  <dougkwan@google.com>
8482
8483         * expression.cc (class Segment_start_expression): New class definition.
8484         (Segment_start_expression::value): New method definition.
8485         (script_exp_function_segment_start): Return a new
8486         Segment_start_expression.
8487         * gold/script-c.h (script_saw_segment_start_expression): New function
8488         prototype.
8489         * script-sections.cc (Script_sections::Script_sections): Initialize
8490         SAW_SEGMENT_START_EXPRESSION_ to false.
8491         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8492         and -Tbbs options to specify section addresses if given in
8493         command line and no SEGMENT_START expression is seen in a script.
8494         * script-sections.h (Script_sections::saw_segment_start_expression,
8495         Script_sections::set_saw_segment_start_expression): New method
8496         definition.
8497         (Script_sections::saw_segment_start_expression_): New data member
8498         declaration.
8499         * script.cc (script_saw_segment_start_expression): New function.
8500         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8501         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8502         script_test_7.sh and script_test_8.sh.
8503         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8504         script_test_8.stdout.
8505         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8506         (script_test_6, script_test_6.stdout, script_test_7,
8507         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8508         * Makefile.in: Regenerate.
8509         * testsuite/script_test_6.sh: New file.
8510         * testsuite/script_test_6.t: Same.
8511         * testsuite/script_test_7.sh: Same.
8512         * testsuite/script_test_7.t: Same.
8513         * testsuite/script_test_8.sh: Same.
8514
8515 2009-10-16  Doug Kwan  <dougkwan@google.com>
8516
8517         * output.cc (Output_segment::set_section_list_address): Cast
8518         expressions to unsigned long long type to avoid format warnings.
8519
8520 2009-10-15  Ian Lance Taylor  <iant@google.com>
8521
8522         * script.cc (Script_options::add_symbol_assignment): Always add a
8523         dot assignment to script_sections_.
8524         * script-sections.cc (Script_sections::add_dot_assignment):
8525         Initialize if necessary.
8526
8527         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8528         program headers with no load segment if there is a linker script.
8529
8530         * layout.cc (Layout::set_segment_offsets): Align the file offset
8531         to the segment aligment for -N or -n with no load segment.
8532         * output.cc (Output_segment::add_output_section): Don't crash if
8533         the first section is a TLS section.
8534         (Output_segment::set_section_list_addresses): Print an error
8535         message if the address moves backward in a linker script.
8536         * script-sections.cc
8537         (Output_section_element_input::set_section_addresses): Don't
8538         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8539         (Orphan_output_section::set_section_addresses): Likewise.
8540
8541 2009-10-15  Doug Kwan  <dougkwan@google.com>
8542
8543         * layout.cc (Layout::finish_dynamic_section): Generate tags
8544         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8545         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8546         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8547
8548 2009-10-14  Ian Lance Taylor  <iant@google.com>
8549
8550         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8551         fields.
8552         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8553         data_shdr fields of relinfo.
8554         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8555         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8556         R_386_TLS_LDO_32, adjust based on section flags.
8557         (Target_i386::Relocate::fix_up_ldo): Remove.
8558
8559 2009-10-13  Ian Lance Taylor  <iant@google.com>
8560
8561         Add support for -pie.
8562         * options.h (class General_options): Add -pie and
8563         --pic-executable.
8564         (General_options::output_is_position_independent): Test -pie.
8565         (General_options::output_is_executable): Return true if not shared
8566         and not relocatable.
8567         (General_options::output_is_pie): Remove.
8568         * options.cc (General_options::finalize): Reject incompatible uses
8569         of -pie.
8570         * gold.cc (queue_middle_tasks): A -pie link is not static.
8571         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8572         * symtab.cc (Symbol::final_value_is_known): Return false if
8573         output_is_position_independent.
8574         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8575         output_is_position_independent.
8576         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8577         output_is_position_independent.
8578         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8579         output_is_position_independent.
8580         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8581         two_file_pie_test.
8582         (basic_pie_test.o, basic_pie_test): New targets.
8583         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8584         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8585         (two_file_pie_test): New target.
8586         * testsuite/Makefile.in: Rebuild.
8587         * README: Remove note saying that -pie is not supported.
8588
8589 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8590
8591         * options.h (class General_options): Add -init and -fini.
8592         * layout.cc (Layout::finish_dynamic_section): Emit
8593         given init and fini functions.
8594
8595 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8596
8597         * gc.h (gc_process_relocs): Check if icf is enabled using new
8598         function.
8599         * gold.cc (queue_initial_tasks): Likewise.
8600         (queue_middle_tasks): Likewise.
8601         * object.cc (do_layout): Likewise.
8602         * symtab.cc (is_section_folded): Likewise.
8603         * main.cc (main): Likewise.
8604         * reloc.cc (Read_relocs::run): Likewise.
8605         (Sized_relobj::do_scan_relocs): Likewise.
8606         * icf.cc (is_function_ctor_or_dtor): New function.
8607         (Icf::find_identical_sections): Check if function is ctor or dtor when
8608         safe icf is chosen.
8609         * options.h (General_options::icf): Change option to be an enum.
8610         (Icf_status): New enum.
8611         (icf_enabled): New method.
8612         (icf_safe_folding): New method.
8613         (set_icf_status): New method.
8614         (icf_status_): New variable.
8615         * (options.cc) (General_options::finalize): Set icf_status_.
8616         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8617         icf_test and icf_keep_unique_test to use the --icf enum flag.
8618         * testsuite/icf_safe_test.sh: New file.
8619         * testsuite/icf_safe_test.cc: New file.
8620
8621 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8622
8623         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8624         includes to gc.h and icf.h.
8625         * arm.cc: Include gc.h.
8626         * gold.cc: Likewise.
8627         * i386.cc: Likewise.
8628         * powerpc.cc: Likewise.
8629         * sparc.cc: Likewise.
8630         * x86_64.cc: Likewise.
8631         * gc.h: Include icf.h.
8632
8633 2009-10-11  Ian Lance Taylor  <iant@google.com>
8634
8635         * plugin.cc: Include "gold.h" before other header files.
8636
8637 2009-10-10  Chris Demetriou  <cgd@google.com>
8638
8639         * options.h (Input_file_argument::Input_file_type): New enum.
8640         (Input_file_argument::is_lib_): Replace with...
8641         (Input_file_argument::type_): New member.
8642         (Input_file_argument::Input_file_argument): Take Input_file_type
8643         'type' rather than boolean 'is_lib' as second argument.
8644         (Input_file_argument::is_lib): Use type_.
8645         (Input_file_argument::is_searched_file): New function.
8646         (Input_file_argument::may_need_search): Handle is_searched_file.
8647         * options.cc (General_options::parse_library): Support -l:filename.
8648         (General_options::parse_just_symbols): Update for Input_file_argument
8649         changes.
8650         (Command_line::process): Likewise.
8651         * archive.cc (Archive::get_file_and_offset): Likewise.
8652         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8653         * script.cc (read_script_file, script_add_file): Likewise.
8654         * fileread.cc (Input_file::Input_file): Likewise.
8655         (Input_file::will_search_for): Handle is_searched_file.
8656         (Input_file::open): Likewise.
8657         * readsyms.cc (Read_symbols::get_name): Likewise.
8658         * testsuite/Makefile.am (searched_file_test): New test.
8659         * testsuite/Makefile.in: Regenerate.
8660         * testsuite/searched_file_test.cc: New file.
8661         * testsuite/searched_file_test_lib.cc: New file.
8662
8663 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8664             Ian Lance Taylor  <iant@google.com>
8665
8666         * descriptor.cc: Include <cstdio> and "binary-io.h".
8667         (Descriptors::open): Open the files in binary mode always.
8668         * script.cc (Lex::get_token): Treat \r as whitespace.
8669
8670 2009-10-09  Ian Lance Taylor  <iant@google.com>
8671
8672         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8673
8674 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8675             Ian Lance Taylor  <iant@google.com>
8676
8677         * configure.ac: Check for readv function also.
8678         * fileread.cc (readv): Define if not HAVE_READV.
8679         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8680         does not exist.
8681         * config.in: Regenerate.
8682         * configure: Regenerate.
8683
8684 2009-10-09  Doug Kwan  <dougkwan@google.com>
8685
8686         * layout.cc (Layout::make_output_section): Call target hook to make
8687         ordinary output section.
8688         (Layout::finalize): Adjust parameter list of call the
8689         Target::may_relax().
8690         * layout.h (class Layout::section_list): New method.
8691         * merge.h (Output_merge_base::entsize): Change visibility to public.
8692         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8693         New methods.
8694         (Output_merge_string::do_is_string): New method.
8695         * object.cc (Sized_relobj::do_setup): renamed from
8696         Sized_relobj::set_up.
8697         * object.h (Sized_relobj::adjust_shndx,
8698         Sized_relobj::initializ_input_to_output_maps,
8699         Sized_relobj::free_input_to_output_maps): Change visibilities to
8700         protected.
8701         (Sized_relobj::setup): Virtualize.
8702         (Sized_relobj::do_setup): New method declaration.
8703         (Sized_relobj::invalidate_section_offset,
8704         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8705         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8706         * options.cc (parse_int): New function.
8707         * options.h (parse_int): New declaration.
8708         (DEFINE_int): New macro.
8709         (stub_group_size): New option.
8710         * output.cc (Output_section::Output_section): Initialize memebers
8711         merge_section_map_, merge_section_by_properties_map_,
8712         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8713         (Output_section::add_input_section): Handled deferred code-fill
8714         generation and remove an old comment.
8715         (Output_section::add_relaxed_input_section): New method definition.
8716         (Output_section::add_merge_input_section): Use merge section by
8717         properties map to speed to search.  Update merge section maps
8718         as appropriate.
8719         (Output_section::build_relaxation_map): New method definition.
8720         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8721         Same.
8722         (Output_section::relax_input_section): Renamed to
8723         Output_section::convert_input_sections_to_relaxed_sections and change
8724         interface to take a vector of pointers to relaxed sections.
8725         (Output_section::find_merge_section,
8726         Output_section::find_relaxed_input_section): New method definitions.
8727         (Output_section::is_input_address_mapped,
8728         Output_section::output_offset, Output_section::output_address):
8729         Use output section data maps to speed up searching.
8730         (Output_section::find_starting_output_address): Add comments.
8731         (Output_section::do_write,
8732         Output_section::write_to_postprocessing_buffer): Do code-fill
8733         generation as appropriate.
8734         (Output_section::get_input_sections): Invalidate relaxed input section
8735         map.
8736         (Output_section::restore_states): Adjust type of checkpoint .
8737         Invalidate relaxed input section map.
8738         * output.h (Output_merge_base): New class declaration.
8739         (Input_section_specifier): New class defintion.
8740         (class Output_relaxed_input_section) Change base class to
8741         Output_section_data_build.
8742         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8743         base class initializer.
8744         (Output_section::add_relaxed_input_section): New method declaration.
8745         (Output_section::Input_section): Change visibility to protected.
8746         (Output_section::Input_section::relobj,
8747         Output_section::Input_section::shndx): Handle relaxed input sections.
8748         Output_section::input_sections) Change visibility to protected.  Also
8749         define overload to return a non-const pointer.
8750         (Output_section::Merge_section_properties): New class defintion.
8751         (Output_section::Merge_section_by_properties_map,
8752         Output_section::Output_section_data_by_input_section_map,
8753         Output_section::Relaxation_map): New types.
8754         (Output_section::relax_input_section): Rename method to
8755         Output_section::convert_input_sections_to_relaxed_sections and change
8756         interface to take a vector of relaxed section pointers.
8757         (Output_section::find_merge_section,
8758         Output_section::find_relaxed_input_section,
8759         Output_section::build_relaxation_map,
8760         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8761         New method declarations.
8762         (Output_section::merge_section_map_
8763         Output_section::merge_section_by_properties_map_,
8764         Output_section::relaxed_input_section_map_,
8765         Output_section::is_relaxed_input_section_map_valid_,
8766         Output_section::generate_code_fills_at_write_): New data members.
8767         * script-sections.cc
8768         (Output_section_element_input::set_section_addresses): Call
8769         current_data_size and addralign methods of relaxed input sections.
8770         (Orphan_output_section::set_section_addresses): Call current_data_size
8771         and addralign methods of relaxed input sections.
8772         * symtab.cc (Symbol_table::compute_final_value): Extract template
8773         from the body of Symbol_table::sized_finalize_symbol.
8774         (Symbol_table::sized_finalized_symbol): Call
8775         Symbol_table::compute_final_value.
8776         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8777         (Symbol_table::compute_final_value): New templated method declaration.
8778         * target.cc (Target::do_make_output_section): New method defintion.
8779         * target.h (Target::make_output_section): New method declaration.
8780         (Target::relax): Add more parameters for input objects, symbol table
8781         and layout.  Adjust call to do_relax.
8782         (Target::do_make_output_section): New method declaration.
8783         (Target::do_relax): Add parameters for input objects, symbol table
8784         and layout.
8785
8786 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8787
8788         * pread.c: Include stdio.h.
8789
8790 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8791
8792         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8793         defined.
8794
8795 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8796
8797         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8798         Change read_shndx type to unsigned int.
8799         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8800         int.
8801         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8802         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8803         Change read_shndx type to unsigned int.
8804         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8805         int.
8806         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8807         * layout.cc (Layout::create_symtab_sections): Cast the result of
8808         local_symcount * symsize to off_t in the gold_assert.
8809
8810 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8811
8812         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8813         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8814         R_ARM_BASE_ABS.
8815         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8816         (Arm_relocate_functions::thm_abs5): New function.
8817         (Arm_relocate_functions::abs12): New function.
8818         (Arm_relocate_functions::abs16): New function.
8819         (Arm_relocate_functions::base_abs): New function.
8820         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8821         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8822         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8823         R_ARM_BASE_ABS.
8824         (Scan::global): Likewise.
8825         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8826         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8827         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8828         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8829         R_ARM_BASE_ABS.
8830
8831 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8832
8833         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8834         (Arm_relocate_functions::movt_prel): New function.
8835         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8836         (Arm_relocate_functions::thm_movt_prel): New function.
8837         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8838         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8839         (Scan::global, Relocate::relocate): Likewise.
8840         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8841
8842 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8843
8844         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8845         Incremental_checker.
8846         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8847         unsigned int.
8848         (class Incremental_inputs_header): New class.
8849         (Incremental_inputs_header_writer): Edit comment.
8850         (Incremental_inputs_entry): New class.
8851         (Incremental_inputs_entry_writer): Edit comment.
8852         (Sized_incremental_binary::do_find_incremental_inputs_section):
8853         Add *strtab_shndx parameter, fill it.
8854         (Sized_incremental_binary::do_check_inputs): New method.
8855         (Incremental_checker::can_incrementally_link_output_file): Use
8856         Sized_incremental_binary::check_inputs.
8857         (Incremental_inputs::report_command_line): Save command line in
8858         command_line_.
8859         * incremental.h:
8860         (Incremental_binary::find_incremental_inputs_section): New
8861         method.
8862         (Incremental_binary::do_find_incremental_inputs_section): Add
8863         strtab_shndx parameter.
8864         (Incremental_binary::do_check_inputs): New pure virtual method.
8865         (Sized_incremental_binary::do_check_inputs): Declare.
8866         (Incremental_checker::Incremental_checker): Add incremental_inputs
8867         parameter, use it to initialize incremental_inputs_.
8868         (Incremental_checker::incremental_inputs_): New field.
8869         (Incremental_checker::command_line): New method.
8870         (Incremental_checker::inputs): New method.
8871         (Incremental_checker::command_line_): New field.
8872
8873 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8874
8875         * incremental.cc: Include <cstdarg> and "target-select.h".
8876         (vexplain_no_incremental): New function.
8877         (explain_no_incremental): New function.
8878         (Incremental_binary::error): New method.
8879         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8880         method.
8881         (make_sized_incremental_binary): New function.
8882         (open_incremental_binary): New function.
8883         (can_incrementally_link_file): Add checks if output is ELF and has
8884         inputs section.
8885         * incremental.h: Include "elfcpp_file.h" and "output.h".
8886         (Incremental_binary): New class.
8887         (Sized_incremental_binary): New class.
8888         (open_incremental_binary): Declare.
8889         * object.cc (is_elf_object): Use
8890         elfcpp::Elf_recognizer::is_elf_file.
8891         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8892         * output.h (Output_file::filesize): New method.
8893
8894 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8895
8896         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8897         New function.
8898         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8899         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8900         function.
8901         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8902         function.
8903         (Arm_relocate_functions::movw_abs_nc): New function.
8904         (Arm_relocate_functions::movt_abs): New function.
8905         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8906         (Arm_relocate_functions::thm_movt_abs): New function.
8907         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8908         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8909         (Scan::global): Likewise.
8910         (Relocate::relocate): Likewise.
8911         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8912
8913 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8914
8915         * arm.cc (Arm_relocate_functions::got_prel) New function.
8916         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8917         (Relocate::relocate): Likewise.
8918         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8919
8920 2009-10-06  Ian Lance Taylor  <iant@google.com>
8921
8922         * options.h (class General_options): Define
8923         split_stack_adjust_size parameter.
8924         * object.h (class Object): Add uses_split_stack_ and
8925         has_no_split_stack_ fields.  Add uses_split_stack and
8926         has_no_split_stack accessor functions.  Declare
8927         handle_split_stack_section.
8928         (class Reloc_symbol_changes): Define.
8929         (class Sized_relobj): Define Function_offsets.  Declare
8930         split_stack_adjust, split_stack_adjust_reltype, and
8931         find_functions.
8932         * object.cc (Object::handle_split_stack_section): New function.
8933         (Sized_relobj::do_layout): Call handle_split_stack_section.
8934         * dynobj.cc (Sized_dynobj::do_layout): Call
8935         handle_split_stack_section.
8936         * reloc.cc (Sized_relobj::relocate_sections): Call
8937         split_stack_adjust for executable sections in split_stack
8938         objects.  Pass reloc_map to relocate_section.
8939         (Sized_relobj::split_stack_adjust): New function.
8940         (Sized_relobj::split_stack_adjust_reltype): New function.
8941         (Sized_relobj::find_functions): New function.
8942         * target-reloc.h: Include "object.h".
8943         (relocate_section): Add reloc_symbol_changes parameter.  Change
8944         all callers.
8945         * target.h (class Target): Add calls_non_split method.  Declare
8946         do_calls_non_split virtual method.  Declare match_view and
8947         set_view_to_nop.
8948         * target.cc: Include "elfcpp.h".
8949         (Target::do_calls_non_split): New function.
8950         (Target::match_view): New function.
8951         (Target::set_view_to_nop): New function.
8952         * gold.cc (queue_middle_tasks): Give an error if mixing
8953         split-stack and non-split-stack objects with -r.
8954         * i386.cc (Target_i386::relocate_section): Add
8955         reloc_symbol_changes parameter.
8956         (Target_i386::do_calls_non_split): New function.
8957         * x86_64.cc (Target_x86_64::relocate_section): Add
8958         reloc_symbol_changes parameter.
8959         (Target_x86_64::do_calls_non_split): New function.
8960         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8961         parameter.
8962         * powerpc.cc (Target_powerpc::relocate_section): Add
8963         reloc_symbol_changes parameter.
8964         * sparc.cc (Target_sparc::relocate_section): Add
8965         reloc_symbol_changes parameter.
8966         * configure.ac: Call AM_CONDITIONAL for the default target.
8967         * configure: Rebuild.
8968         * testsuite/Makefile.am (TEST_AS): New variable.
8969         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8970         (check_DATA): Add split_i386 and split_x86_64 files.
8971         (SPLIT_DEFSYMS): Define.
8972         (split_i386_[1234n].o): New targets.
8973         (split_i386_[124]): New targets.
8974         (split_i386_[1234r].stdout): New targets.
8975         (split_x86_64_[1234n].o): New targets.
8976         (split_x86_64_[124]): New targets.
8977         (split_x86_64_[1234r].stdout): New targets.
8978         (MOSTLYCLEANFILES): Add new executables.
8979         * testsuite/split_i386.sh: New file.
8980         * testsuite/split_x86_64.sh: New file.
8981         * testsuite/split_i386_1.s: New file.
8982         * testsuite/split_i386_2.s: New file.
8983         * testsuite/split_i386_3.s: New file.
8984         * testsuite/split_i386_4.s: New file.
8985         * testsuite/split_i386_n.s: New file.
8986         * testsuite/split_x86_64_1.s: New file.
8987         * testsuite/split_x86_64_2.s: New file.
8988         * testsuite/split_x86_64_3.s: New file.
8989         * testsuite/split_x86_64_4.s: New file.
8990         * testsuite/split_x86_64_n.s: New file.
8991         * testsuite/testfile.cc (Target_test): Update relocation_section
8992         function.
8993         * testsuite/Makefile.in: Rebuild.
8994
8995 2009-10-06  Ian Lance Taylor  <iant@google.com>
8996
8997         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8998         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8999         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9000         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9001         the address on ldo_addrs_.
9002         (Target_i386::Relocate::fix_up_ldo): New function.
9003
9004 2009-10-06   Rafael Espindola  <espindola@google.com>
9005
9006         * plugin.cc (add_input_library): New.
9007         (Plugin::load): Add add_input_library to tv.
9008         (Plugin_manager::add_input_file): Add the is_lib argument.
9009         (add_input_file): Update call to Plugin_manager::add_input_file.
9010         (add_input_library): New.
9011         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9012
9013 2009-09-30  Doug Kwan  <dougkwan@google.com>
9014
9015         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9016         symbol and call Symbol::may_need_copy_reloc to determine if
9017         a copy reloc is needed.
9018         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9019         nocopyreloc is given in command line.
9020         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9021         given in command line.
9022         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9023         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9024         of the removed Target_i386::may_need_copy_reloc.
9025         * options.h (copyreloc): New option with default value false.
9026         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9027         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9028         instead of the removed Target_powerpc::may_need_copy_reloc.
9029         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9030         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9031         instead of the removed Target_sparc::may_need_copy_reloc.
9032         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9033         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9034         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9035         instead of the removed Target_x86_64::may_need_copy_reloc.
9036
9037 2009-09-30  Ian Lance Taylor  <iant@google.com>
9038
9039         * object.h (class Object): Remove target_ field, and target,
9040         sized_target, and set_target methods.
9041         (Object::sized_target): Remove.
9042         (class Sized_relobj): Update declarations.  Remove sized_target.
9043         * object.cc (Sized_relobj::setup): Remove target parameter.
9044         Change all callers.
9045         (Input_objects::add_object): Don't do anything with the target.
9046         (make_elf_sized_object): Add punconfigured parameter.  Change all
9047         callers.  Set or test parameter target.
9048         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9049         Change all callers.
9050         * parameters.cc (Parameters::set_target): Change parameter type to
9051         be non-const.
9052         (Parameters::default_target): Remove.
9053         (set_parameters_target): Change parameter type to be non-const.
9054         (parameters_force_valid_target): New function.
9055         (parameters_clear_target): New function.
9056         * parameters.h (class Parameters): Update declarations.  Remove
9057         default_target method.  Add sized_target and clear_target
9058         methods.  Change target_ to be non-const.
9059         (set_parameters_target): Update declaration.
9060         (parameters_force_valid_target): Declare.
9061         (parameters_clear_target): Declare.
9062         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9063         as NULL if we aren't searching.
9064         (Add_symbols::run): Don't check for compatible target.
9065         * fileread.cc (Input_file::open_binary): Call
9066         parameters_force_valid_target.
9067         * gold.cc (queue_middle_tasks): Likewise.
9068         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9069         set_target on object.
9070         * dynobj.h (class Sized_dynobj): Update declarations.
9071         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9072         make_elf_object returns NULL.
9073         (Archive::include_member): Don't check whether object target is
9074         compatible.
9075         * output.cc (Output_section::add_input_section): Get target from
9076         parameters.
9077         (Output_section::relax_input_section): Likewise.
9078         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9079         parameters.
9080         (Sized_relobj::do_scan_relocs): Likewise.
9081         (Sized_relobj::relocate_sections): Likewise.
9082         * resolve.cc (Symbol_table::resolve): Likewise.
9083         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9084         parameter.  Change all callers.
9085         (Symbol_table::add_from_object): Get target from parameters.
9086         (Symbol_table::add_from_relobj): Don't check object target.
9087         (Symbol_table::add_from_dynobj): Likewise.
9088         (Symbol_table::define_special_symbol): Get target from
9089         parameters.
9090         * symtab.h (class Symbol_table): Update declaration.
9091         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9092         parameter.  Change all callers.  Clear parameter target.
9093         (Binary_test): Test target here.
9094         * testsuite/object_unittest.cc (gold_testsuite): Remove
9095         target_test_pointer parameter.  Change all callers.
9096         (Object_test): Test target here.
9097
9098 2009-09-26  Ian Lance Taylor  <iant@google.com>
9099
9100         * testsuite/initpri1.c: Don't try to use constructor priorities if
9101         compiling with gcc before 4.3.
9102
9103 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9104
9105         * testsuite/retain_symbols_file_test.sh (check_present): Change
9106         output file name to retain_symbols_file_test.stdout.
9107         (check_absent): Likewise.
9108
9109 2009-09-18  Craig Silverstein  <csilvers@google.com>
9110
9111         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9112         * options.cc: Include <cerrno> and <fstream>.
9113         (General_options::finalize): Parse -retain-symbols-file tag.
9114         * options.h: New flag.
9115         (General_options): New method should_retain_symbol, new
9116         variable symbols_to_retain.
9117         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9118         should_retain_symbol map.
9119         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9120         * testsuite/Makefile.in: Regenerate.
9121         * testsuite/retain_symbols_file_test.sh: New file.
9122
9123 2009-09-18  Nick Clifton  <nickc@redhat.com>
9124
9125         * po/es.po: Updated Spanish translation.
9126
9127 2009-09-17  Doug Kwan  <dougkwan@google.com>
9128
9129         * debug.h (DEBUG_RELAXATION): New constant.
9130         (DEBUG_ALL): Add DEBUG_RELAXATION.
9131         (debug_string_to_enum): Add relaxation debug option.
9132         * layout.cc
9133         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9134         Layout::Relaxation_debug_check::read_sections,
9135         Layout::Relaxation_debug_check::read_sections): New method definitions.
9136         (Layout::Layout): Initialize data members
9137         record_output_section_data_from_scrips_,
9138         script_output_section_data_list_ and relaxation_debug_check_.
9139         (Layout::save_segments, Layout::restore_segments,
9140         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9141         Layout::relaxation_loop_body): New method definitions.
9142         (Layout::finalize): Support relaxation.  Move section layout code to
9143         Layout::relaxation_loop_body.
9144         (Layout::set_asection_address_from_script): Move code for orphan
9145         section placement out.
9146         (Layout::place_orphan_sections_in_script): New method definition.
9147         * layout.h (Output_segment_headers, Output_file_header):
9148         New forward class declarations.
9149         (Layout::~Layout): Define.
9150         (Layout::new_output_section_data_from_script): New method definition.
9151         (Layout::place_orphan_sections_in_script): New method declaration.
9152         (Layout::Segment_states): New type declaration.
9153         (Layout::save_segments, Layout::restore_segments,
9154         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9155         Layout::relaxation_loop_body): New method declarations.
9156         (Layout::Output_section_data_list): New type declaration.
9157         (Layout::Relaxation_debug_check): New class definition.
9158         (Layout::record_output_section_data_from_script_,
9159         Layout::script_output_section_data_list_, Layout::segment_states_,
9160         Layout::relaxation_debug_check_): New data members.
9161         * output.cc: (Output_section_headers::do_size): New method definition.
9162         (Output_section_headers::Output_section_headers): Move size
9163         computation to Output_section_headers::do_size.
9164         (Output_segment_headers::do_size): New method definition.
9165         (Output_file_header::Output_file_header): Move size computation to
9166         Output_file_header::do_size and call it.
9167         (Output_file_header::do_size): New method definition.
9168         (Output_data_group::Output_data_group): Adjust call to
9169         Output_section_data.
9170         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9171         (Output_symtab_xindex::do_write): Add array bound check.
9172         (Output_section::Input_section::print_to_mapfile): Handle
9173         RELAXED_INPUT_SECTION_CODE.
9174         (Output_section::Output_section): Initialize data member checkpoint_.
9175         (Output_section::~Output_section): Delete checkpoint object pointed
9176         by checkpoint_.
9177         (Output_section::add_input_section): Always add an Input_section if
9178         relaxing.
9179         (Output_section::add_merge_input_section): Add assert.
9180         (Output_section::relax_input_section): New method definition.
9181         (Output_section::set_final_data_size): Set load address to zero for
9182         an unallocated section.
9183         (Output_section::do_address_and_file_offset_have_reset_values):
9184         New method definition.
9185         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9186         Handle relaxed input section.
9187         (Output_section::sort_attached_input_sections): Checkpoint input
9188         section list lazily.
9189         (Output_section::get_input_sections): Change type of input_sections to
9190         list of Simple_input_section pointers.  Checkpoint input section list
9191         lazily.  Also handle relaxed input sections.
9192         (Output_section::add_input_section_for_script): Take a reference to
9193         a Simple_input_section object instead of Relobj pointer and section
9194         index as parameter.  Handle relaxed input sections.
9195         (Output_section::save_states, Output_section::restore_states): New
9196         method definitions.
9197         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9198         (Output_data::is_data_size_fixed): New method definition.
9199         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9200         if it is fixed.
9201         (Output_data::address_and_file_offset_have_reset_values): New method
9202         definition.
9203         (Output_data::do_address_and_file_offset_have_reset_values): New method
9204         definition.
9205         (Output_data::set_data_size): Check that data size is not fixed.
9206         (Output_data::fix_data_size): New method definition.
9207         (Output_data::is_data_size_fixed_): New data member.
9208         (Output_section_headers::set_final_data_size): New method definition.
9209         (Output_section_headers::do_size): New method declaration.
9210         (Output_segment_headers::set_final_data_size): New method definition.
9211         (Output_segment_headers::do_size): New method declaration.
9212         (Output_file_header::set_final_data_size)::New method definition.
9213         (Output_file_header::do_size)::New method declaration.
9214         (Output_section_data::Output_section_data): Add new parameter
9215         is_data_size_fixed and use it to fix data size.
9216         (Output_data_const::Output_data_const): Adjust call to base class
9217         constructor and fix data size.
9218         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9219         base class constructor and fix data size.
9220         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9221         base class constructor and fix data size.
9222         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9223         class constructor and fix data size.
9224         (Output_data_group::set_final_data_size): New method definition.
9225         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9226         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9227         class constructor and fix data size.
9228         (Output_relaxed_input_section): New class definition.
9229         (Output_section::Simple_input_section): New class definition.
9230         (Output_section::get_input_sections): Adjust parameter list.
9231         (Output_section::add_input_section_for_script): Same.
9232         (Output_section::save_states, Output_section::restore_states,
9233         Output_section::do_address_and_file_offset_have_reset_values,
9234         (Output_section::Input_section::Input_section): Handle
9235         RELAXED_INPUT_SECTION_CODE.  Add new overload for
9236         Output_relaxed_input_section.
9237         (Output_section::Input_section::is_input_section,
9238         Output_section::Input_section::set_output_section): Handle relaxed
9239         input section.
9240         (Output_section::Input_section::is_relaxed_input_section,
9241         Output_section::Input_section::output_section_data,
9242         Output_section::Input_section::relaxed_input_section): New method
9243         definitions.
9244         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
9245         value.
9246         (Output_section::Input_section::u1_): Update comments.
9247         (Output_section::Input_section::u2_): Add new union member poris.
9248         (Output_section::Checkpoint_output_section): New classs definition.
9249         (Output_section::relax_input_section): New method declaration.
9250         (Output_section::checkpoint_): New data member.
9251         (Output_segment): Update comments.
9252         (Output_segment::Output_segment): Un-privatize copy constructor.
9253         (Output_segment::operator=): Un-privatize.
9254         * script-sections.cc (Output_section_element::Input_section_list):
9255         Change element type to Output_section::Simple_input_section.
9256         (Output_section_element_dot_assignment::set_section_addresses):
9257         Register output section data for relaxation clean up.
9258         (Output_data_exression::Output_data_expression): Adjust call to base
9259         constructor to fix data size.
9260         (Output_section_element_data::set_section_addresses): Register
9261         Output_data_expression object for relaxation clean up.
9262         (struct Input_section_info): Replace Relobj pointer and section index
9263         pair with Output_section::Simple_input_section and Convert struct to a
9264         class.
9265         (Input_section_sorter::operator()): Adjust access to
9266         Input_section_info data member to use accessors.
9267         (Output_section_element_input::set_section_addresses): Use layout
9268         parameter.  Adjust code to use Output_section::Simple_input_section
9269         and Input_secction_info classes.  Register filler for relaxation
9270         clean up.
9271         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9272         and section index pair with Output_section::Simple_input_section
9273         class.  Adjust code accordingly.
9274         (Phdrs_element::release_segment): New method definition.
9275         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9276         segment list.
9277         (Script_sections::release_segments): New method definition.
9278         * gold/script-sections.h (Script_sections::release_segments): New
9279         method declaration.
9280         * gold/target.h (Target::may_relax, Target::relax,
9281         Target::do_may_relax, Target::do_relax): New method definitions.
9282
9283 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9284
9285         * arm.cc (has_signed_unsigned_overflow): New function.
9286         (Arm_relocate_functions::abs8): New function.
9287         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9288         (Target_arm::Scan::global): Likewise.
9289         (Target_arm::relocate::relocate): Likewise.
9290         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9291         Likewise.
9292
9293 2009-09-16  Cary Coutant  <ccoutant@google.com>
9294
9295         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
9296         * testsuite/Makefile.in: Regenerate.
9297
9298 2009-09-11  Nick Clifton  <nickc@redhat.com>
9299
9300         * po/gold.pot: Updated by the Translation project.
9301
9302 2009-09-08  Cary Coutant  <ccoutant@google.com>
9303
9304         * output.cc (Output_file::open): Add execute permission to empty file.
9305         * testsuite/Makefile.am (permission_test): New test.
9306         * testsuite/Makefile.in: Regenerate.
9307
9308 2009-09-02  Ian Lance Taylor  <iant@google.com>
9309
9310         * output.cc (Output_file::resize): Call map_no_anonymous rather
9311         than map.
9312
9313 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
9314
9315         * gold.cc: Include "incremental.h".
9316         (queue_initial_tasks): Call Incremental_checker methods.
9317         * incremental.cc: Include "output.h".
9318         (Incremental_checker::can_incrementally_link_output_file): New
9319         method.
9320         * incremental.h (Incremental_checker): New class.
9321
9322         * output.cc (Output_file::open_for_modification): New method.
9323         (Output_file::map_anonymous): Changed return type to bool.  Record
9324         map in base_ field.
9325         (Output_file::map_no_anonymous): New method, broken out of map.
9326         (Output_file::map): Use map_no_anonymous and map_anonymous.
9327         * output.h (class Output_file): Update declarations.
9328
9329 2009-08-24  Cary Coutant  <ccoutant@google.com>
9330
9331         * options.h (Command_line::Pre_options): New class.
9332         (Command_line::pre_options): New member.
9333         * options.cc (gold::options::ready_to_register): New variable.
9334         (One_option::register_option): Do nothing if not registering options.
9335         Assert if same short option registered twice.
9336         (General_options::General_options): Turn off option registration when
9337         done constructing.
9338         (Command_line::Pre_options::Pre_options): New constructor.
9339
9340 2009-08-24  Cary Coutant  <ccoutant@google.com>
9341
9342         * options.h (General_options::no_keep_memory): Remove incorrect
9343         short option.
9344
9345 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9346
9347         * Makefile.am (am__skiplex, am__skipyacc): New.
9348         * Makefile.in: Regenerate.
9349
9350 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9351
9352         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9353         (INCLUDES): ... this.
9354         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9355         (AM_CPPFLAGS): Renamed from ...
9356         (INCLUDE): ... this.
9357         * Makefile.in, testsuite/Makefile.in: Regenerate.
9358
9359         * Makefile.in: Regenerate.
9360         * aclocal.m4: Likewise.
9361         * config.in: Likewise.
9362         * configure: Likewise.
9363         * testsuite/Makefile.in: Likewise.
9364
9365         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9366         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9367         * Makefile.in: Regenerate.
9368         * testsuite/Makefile.in: Regenerate.
9369
9370 2009-08-19  Cary Coutant  <ccoutant@google.com>
9371
9372         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9373         symbols in shared libraries overridden by hidden or internal symbols
9374         in the main program.
9375
9376 2009-08-19  Chris Demetriou  <cgd@google.com>
9377
9378         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9379         checking source file names in error messages.
9380
9381 2009-08-18  Doug Kwan  <dougkwan@google.com>
9382
9383         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9384         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9385         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9386         an elfcpp::Ehdr as parameter.
9387         * object.cc (Object::set_target): Remove the version that looks up
9388         a target and sets it.
9389         (Sized_relobj::setup): Take a Target object instead of
9390         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9391         (make_elf_sized_object): Find target and ask target to
9392         make an ELF object.
9393         * object.h: (Object::set_target): Remove the version that looks up
9394         a target and sets it.
9395         (Sized_relobj::setup): Take a Target object instead of
9396         an elfcpp:Ehdr as parameter.
9397         * target.cc: Include dynobj.h.
9398         (Target::do_make_elf_object_implementation): New.
9399         (Target::do_make_elf_object): New.
9400         * target.h (Target::make_elf_object): New template declaration.
9401         (Target::do_make_elf_object): New method declarations.
9402         (Target::do_make_elf_object_implementation): New template declaration.
9403
9404 2009-08-14  Ian Lance Taylor  <iant@google.com>
9405
9406         * gold.h (FUNCTION_NAME): Define.
9407         (gold_unreachable): Use FUNCTION_NAME.
9408
9409 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9410
9411         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9412         symbol in the --keep-unique list is not found.
9413
9414 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9415
9416         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9417         been maked as --keep-unique.
9418         (Icf::unfold_section): New function.
9419         * icf.h (Icf::unfold_section): New function.
9420         * options.h (General_options::keep_unique): New option.
9421         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9422         * testsuite/Makefile.in: Regenerate.
9423         * testsuite/icf_keep_unique_test.sh: New file.
9424         * testsuite/icf_keep_unique_test.cc: New file.
9425
9426 2009-08-12  Cary Coutant  <ccoutant@google.com>
9427
9428         PR 10471
9429         * resolve.cc (Symbol_table::resolve): Check for references from
9430         dynamic objects to hidden and internal symbols.
9431         * testsuite/Makefile.am (hidden_test.sh): New test.
9432         * testsuite/Makefile.in: Regenerate.
9433         * testsuite/hidden_test.sh: New script.
9434         * testsuite/hidden_test_1.c: New test source.
9435         * testsuite/hidden_test_main.c: New test source.
9436
9437 2009-08-11  Doug Kwan  <dougkwan@google.com>
9438
9439         * arm.cc: Update comments.
9440         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9441         segment to locate the .ARM.exidx section if present.
9442
9443 2009-08-09  Doug Kwan  <dougkwan@google.com>
9444
9445         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9446         patch.
9447
9448 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9449         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9450         compiler warnings.
9451
9452 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9453
9454         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9455         valid tls_segment only for non-debug-section relocations.
9456         * testsuite/Makefile.am: Add gc_tls_test.
9457         * testsuite/Makefile.in: Regenerate.
9458         * testsuite/gc_tls_test.cc: New file.
9459         * testsuite/gc_tls_test.sh: New file.
9460
9461 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9462
9463         * icf.cc: New file.
9464         * icf.h: New file.
9465         * Makefile.am (CCFILES): Add icf.cc.
9466         (HFILES): Add icf.h
9467         * Makefile.in: Regenerate.
9468         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9469         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9470         section, symbol and addend information for the relocs.
9471         * gold.cc (queue_middle_tasks): Call identical code folding.
9472         * gold.h: Add defines for multimap.
9473         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9474         to the call of finalize_local_symbols.
9475         * main.cc (main): Create object of class Icf.
9476         * object.cc (Sized_relobj::do_layout): Allow this function to be
9477         called twice during icf.
9478         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9479         to sections marked as identical by icf.
9480         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9481         when available.
9482         (Sized_relobj::do_section_entsize): New function.
9483         * object.h (Object::section_entsize): New function.
9484         (Object::do_section_entsize): New pure virtual function.
9485         (Relobj::finalize_local_symbols): Add new parameter.
9486         (Relobj::do_section_entsize): New function.
9487         * options.h (General_options::icf): New option.
9488         (General_options::icf_iterations): New option.
9489         (General_options::print_icf_sections): New option.
9490         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9491         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9492         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9493         icf.
9494         * symtab.cc (Symbol_table::is_section_folded): New function.
9495         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9496         to sections marked as identical by icf.
9497         * symtab.h (Symbol_table::set_icf): New function.
9498         (Symbol_table::icf): New function.
9499         (Symbol_table::is_section_folded): New function.
9500         (Symbol_table::icf_): New data member.
9501         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9502         * testsuite/Makefile.am: Add commands to build icf_test.
9503         * testsuite/Makefile.in: Regenerate.
9504         * testsuite/icf_test.sh: New file.
9505         * testsuite/icf_test.cc: New file.
9506
9507 2009-07-24  Chris Demetriou  <cgd@google.com>
9508
9509         * layout.cc (is_compressible_debug_section): Fix incorrect
9510         comment about compressed section names.
9511
9512 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9513
9514         PR 10419
9515         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9516
9517 2009-07-16  Ian Lance Taylor  <iant@google.com>
9518
9519         PR 10400
9520         * layout.h: #include <map>.
9521         (class Kept_section): Change from struct to class.  Add accessors
9522         and setters.  Add section size to Comdat_group mapping.  Change
9523         Comdat_group to std::map.  Add is_comdat_ field.  Add
9524         linkonce_size field in union.
9525         (class Layout): Update declaration of find_or_add_kept_section.
9526         Don't declare find_kept_object.
9527         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9528         parameter.  Add object, shndx, is_comdat, and is_group_name
9529         parameters.  Change all callers.  Adjust for new Kept_section.
9530         (Layout::find_kept_object): Remove.
9531         * object.cc (Sized_relobj::include_section_group): Update use of
9532         Kept_section.  Rename secnum to shndx.  Only record
9533         Kept_comdat_section if sections are the same size.
9534         (Sized_relobj::include_linkonce_section): Update use of
9535         Kept_section.  Only record Kept_comdat_section if sections are the
9536         same size.  Set size of linkonce section.
9537         (Sized_relobj::map_to_kept_section): Update call to
9538         get_kept_comdat_section.
9539         * object.h (class Sized_relobj): Rename fields in
9540         Kept_comdat_section to drop trailing underscores; change object
9541         field to Relobj*.  Change Kept_comdat_section_table to store
9542         struct rather than pointer.
9543         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9544         Add kept_object and kept_shndx parameters.  Change all callers.
9545         (Sized_relobj::get_kept_comdat_section): Change return type to
9546         bool.  Add kept_object and kept_shndx parameters.  Change all
9547         callers.
9548         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9549         Layout::find_or_add_kept_section.
9550
9551 2009-07-09  Ian Lance Taylor  <iant@google.com>
9552
9553         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9554         Reserve space in the hash table.
9555
9556 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9557
9558         * fileread.cc (File_read::get_mtime): New method.
9559         * fileread.h (Timespec): New structure.
9560         (File_read::get_mtime): New method.
9561         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9562         Renamed from timestamp_nsec.
9563         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9564         Elf_Xword.
9565         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9566         timestamp_nsec.
9567         (Incremental_inputs::report_archive): Save mtime; style fix.
9568         (Incremental_inputs::report_obejct): Save mtime; style fix.
9569         (Incremental_inputs::report_script): Save mtime; style fix.
9570         (Incremental_inputs::finalize_inputs): Style fix.
9571         (Incremental_inputs::finalize): Style fix.
9572         (Incremental_inputs::create_input_section_data): Store inputs
9573         mtime.
9574         * incremental.h (Incremental_inputs::report_script): Add mtime
9575         argument.
9576         (Incremental_inputs::Input_info::Input_info): Intialize only one
9577         union member.
9578         (Incremental_inputs::Input_info::archive): Move to nameless
9579         union.
9580         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9581         (Incremental_inputs::Input_info::script): Move to nameless union.
9582         (Incremental_inputs::mtime): New field.
9583         * script.cc (read_input_script): Pass file mtime to
9584         Incremental_input.
9585         * script.h (Script_info::inputs): Style fix.
9586
9587 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9588
9589         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9590         instead of 32.
9591
9592 2009-06-24  Ian Lance Taylor  <iant@google.com>
9593
9594         PR 10156
9595         * layout.cc (Layout::choose_output_section): If we find an
9596         existing section, update the flags.
9597         (Layout::create_notes): New function, broken out of
9598         Layout::finalize.
9599         (Layout::finalize): Don't create note sections.
9600         (Layout::create_note): Don't crash if linker script discards
9601         section.
9602         (Layout::create_gold_note): Likewise.
9603         (Layout::create_build_id): Likewise.  Don't set
9604         after_input_sections on the section.
9605         (Layout::create_executable_stack_info): Remove target parameter.
9606         Change caller.
9607         * layout.h (class Layout): Declare create_notes.  Update
9608         declaration of create_executable_stack_info.
9609         * gold.cc (queue_middle_tasks): Call create_notes.
9610         * output.cc (Output_section::update_flags_for_input_section): Move
9611         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9612         invalid.
9613         * output.h (Output_data::mark_address_invalid): New function.
9614         (class Output_section): Only declare, not define,
9615         update_flags_for_input_section.  Remove set_flags.
9616
9617 2009-06-24  Ian Lance Taylor  <iant@google.com>
9618
9619         * script-sections.cc (Output_section_definition::
9620         set_section_addresses): Rename shadowing local load_address to
9621         laddr.
9622
9623 2009-06-24  Ian Lance Taylor  <iant@google.com>
9624
9625         PR 10244
9626         * reloc.cc (relocate_sections): Skip empty relocation sections.
9627
9628 2009-06-23  Ian Lance Taylor  <iant@google.com>
9629
9630         PR 10156
9631         * layout.cc (Layout::create_note): Use choose_output_section
9632         rather than make_output_section.
9633
9634 2009-06-23  Ian Lance Taylor  <iant@google.com>
9635
9636         PR 10237
9637         * options.cc (General_options::parse_V): Set printed_version_.
9638         (General_options::General_options): Initialize printed_version_.
9639         * options.h (class General_options): Add printed_version_ field.
9640         * gold.cc (queue_initial_tasks): If there are no input files,
9641         don't give a fatal error if we printed the version information.
9642         (queue_middle_tasks): If using -r with a shared object, give a
9643         fatal error rather than an ordinary error.
9644
9645 2009-06-23  Ian Lance Taylor  <iant@google.com>
9646
9647         PR 10219
9648         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9649         (Layout::make_output_section): Set have_stabstr_section_ if we see
9650         a .stab*str section.
9651         (Layout::finalize): Call link_stabs_sections.
9652         (Layout::link_stabs_sections): New file.
9653         * layout.h (class Layout): Add have_stabstr_section_ field.
9654         Declare link_stabs_sections.
9655
9656 2009-06-23  Doug Kwan  <dougkwan@google.com>
9657
9658         * Makefile.am (libgold_a_LIBADD): New.
9659         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9660         * Makefile.in: Regenerate.
9661         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9662         * configure: Regenerate.
9663         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9664         * fileread.cc: Include sys/state.h
9665         * gold.h: Declare memmem and strndup if found missing.
9666         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9667
9668 2009-06-23  Ian Lance Taylor  <iant@google.com>
9669
9670         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9671         * configure: Rebuild.
9672
9673 2009-06-23  Ian Lance Taylor  <iant@google.com>
9674
9675         PR 10147
9676         * object.cc (Object::section_contents): Don't try to get a view if
9677         the section has length zero.
9678         (Object::handle_gnu_warning_section): If the section is empty, use
9679         the name of the section as the warning.
9680
9681 2009-06-23  Ian Lance Taylor  <iant@google.com>
9682
9683         PR 10133
9684         * stringpool.h (class Stringpool_template): Add optimize_ field.
9685         (Stringpool_template::set_optimize): New function.
9686         * stringpool.cc (Stringpool_template::Stringpool_template):
9687         Initialize optimize_ field.
9688         (Stringpool_template::set_string_offsets): Test local optimize
9689         fild rather than parameter.
9690         * layout.cc (Layout::Layout): Call set_optimize on the section
9691         name stringpool.
9692
9693 2009-06-22  Ian Lance Taylor  <iant@google.com>
9694
9695         PR 10030
9696         * yyscript.y: Parse TARGET.
9697         * script.cc (script_set_target): New function.
9698         * script-c.h (script_set_target): Declare.
9699         * options.cc (General_options::string_to_object_format): Rename
9700         from string_to_object_format in anonymous namespace.  Change
9701         callers.
9702         * options.h (class General_options): Declare
9703         string_to_object_format.
9704
9705 2009-06-22  Ian Lance Taylor  <iant@google.com>
9706
9707         * script-sections.cc (Script_sections::create_segments): Don't put
9708         program headers in a PT_LOAD segment if -n or -N.
9709
9710 2009-06-22  Ian Lance Taylor  <iant@google.com>
9711
9712         PR 10141
9713         * options.h (class General_options): Add -z lazy and -z now.  Sort
9714         -z options into alphabetical order.
9715         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9716
9717 2009-06-21  Ian Lance Taylor  <iant@google.com>
9718
9719         * layout.cc (Layout::make_output_section): Call
9720         Target::new_output_section.
9721         (Layout::attach_allocated_section_to_segment): Put large section
9722         sections in a separate load segment with the large segment flag
9723         set.
9724         (Layout::segment_precedes): Sort large data segments after other
9725         load segments.
9726         (align_file_offset): New static function.
9727         (Layout::set_segment_offsets): Use align_file_offset.
9728         * output.h (class Output_section): Add is_small_section_ and
9729         is_large_section_ fields.
9730         (Output_section::is_small_section): New function.
9731         (Output_section::set_is_small_section):  New function.
9732         (Output_section::is_large_section): New function.
9733         (Output_section::set_is_large_section): New function.
9734         (Output_section::is_large_data_section): New function.
9735         (class Output_segment): Add is_large_data_segment_ field.
9736         (Output_segment::is_large_data_segment): New function.
9737         (Output_segment::set_is_large_data_segment): New function.
9738         * output.cc (Output_section::Output_section): Initialize new
9739         fields.
9740         (Output_segment::Output_segment): Likewise.
9741         (Output_segment::add_output_section): Add assertion that large
9742         data sections always go in large data segments.  Force small data
9743         sections to the end of the list of data sections.  Force small BSS
9744         sections to the start of the list of BSS sections.  For large BSS
9745         sections to the end of the list of BSS sections.
9746         * symtab.h (class Symbol): Declare is_common_shndx.
9747         (Symbol::is_defined): Check Symbol::is_common_shndx.
9748         (Symbol::is_common): Likewise.
9749         (class Symbol_table): Define enum Commons_section_type.  Update
9750         declarations.  Add small_commons_ and large_commons_ fields.
9751         * symtab.cc (Symbol::is_common_shndx): New function.
9752         (Symbol_table::Symbol_table): Initialize new fields.
9753         (Symbol_table::add_from_object): Put small and large common
9754         symbols in the right list.
9755         (Symbol_table::sized_finalized_symbol): Check
9756         Symbol::is_common_shndx.
9757         (Symbol_table::sized_write_globals): Likewise.
9758         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9759         common symbol lists.  Don't call do_allocate_commons_list if the
9760         list is empty.
9761         (Symbol_table::do_allocate_commons_list): Remove is_tls
9762         parameter.  Add comons_section_type parameter.  Change all
9763         callers.  Handle small and large common symbols.
9764         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9765         Symbol::is_common_shndx.
9766         * resolve.cc (symbol_to_bits): Likewise.
9767         * target.h (Target::small_common_shndx): New function.
9768         (Target::small_common_section_flags): New function.
9769         (Target::large_common_shndx): New function.
9770         (Target::large_common_section_flags): New function.
9771         (Target::new_output_section): New function.
9772         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9773         small_common_section_flags, and large_common_section_flags
9774         fields.
9775         (Target::do_new_output_section): New virtual function.
9776         * arm.cc (Target_arm::arm_info): Initialize new fields.
9777         * i386.cc (Target_i386::i386_info): Likewise.
9778         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9779         Likewise.
9780         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9781         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9782         (Target_x86_64::do_new_output_section): New function.
9783         * configure.ac: Define conditional MCMODEL_MEDIUM.
9784         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9785         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9786         (large_LDFLAGS): Define.
9787         * testsuite/large.c: New file.
9788         * testsuite/testfile.cc (Target_test::test_target_info):
9789         Initialize new fields.
9790         * configure, testsuite/Makefile.in: Rebuild.
9791
9792 2009-06-05  Doug Kwan  <dougkwan@google.com>
9793
9794         * Makefile.am (CCFILES): Add target.cc.
9795         * Makefile.in: Regenerate.
9796         * i386.cc (class Target_i386): Define new virtual method to
9797         override do_is_local_label_name in parent.
9798         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9799         local symbols if --discard-locals or -X is given.
9800         * options.h (class General_options): Declare new options
9801         '--discard-locals' and '-X' for discarding locals.
9802         * target.h (class Target): Define new methods is_local_label_name.
9803         Declare new virtual method do_is_local_label_name.
9804         * target.cc: New file.
9805         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9806         (check_SCRIPTS): Add discard_locals_test.sh.
9807         (check_DATA): Add discard_local_tests.syms.
9808         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9809         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9810         * testsuite/Makefile.in: Regenerate.
9811         * testsuite/discard_locals_test.c: New file.
9812         * testsuite/discard_locals_test.sh: Same.
9813
9814 2009-06-05  Doug Kwan  <dougkwan@google.com>
9815
9816         * object.cc (Sized_relobj::Sized_relobj): Initialize
9817         discarded_eh_frame_shndx_ to -1U.
9818         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9819         section.
9820         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9821         a discarded .eh_frame section.
9822         (Sized_relobj::do_finalize_local_symbols): Ditto.
9823         * object.h (class Sized_relobj): Declare new member
9824         discarded_eh_frame_shndx_.
9825         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9826         (local_labels_test.o, local_labels_test): New rules.
9827         * testsuite/Makefile.in: Regenerate.
9828
9829 2009-06-04  Doug Kwan  <dougkwan@google.com>
9830
9831         * layout.cc (Layout::section_name_mapping): Add mapping for
9832         special ARM sections.
9833
9834 2009-06-03  Doug Kwan  <dougkwan@google.com>
9835
9836         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9837         (utils::has_overflow): Same.
9838
9839 2009-06-03  Ian Lance Taylor  <iant@google.com>
9840
9841         * layout.cc (Layout::section_name_mapping): New array, replacing
9842         Layout::linkonce_mapping.
9843         (Layout::section_name_mapping_count): New variable, replacing
9844         Layout::linkonce_mapping_count.
9845         (Layout::linkonce_output_name): Remove.
9846         (Layout::output_section_name): Rewrite.
9847         * layout.h (class Layout): Rename Linkonce_mapping to
9848         Section_name_mapping, linkonce_mapping to section_name_mapping,
9849         linkonce_mapping_count to section_name_mapping_count.  Don't
9850         declare linkonce_output_name.
9851
9852 2009-06-03  Doug Kwan  <dougkwan@google.com>
9853
9854         * gold/arm.cc (namespace utils): New.
9855         (Target_arm::reloc_is_non_pic): Define new method.
9856         (class Arm_relocate_functions): New.
9857         (Target_arm::Relocate::relocate): Handle relocation types used by
9858         Android.
9859
9860 2009-06-03  Ian Lance Taylor  <iant@google.com>
9861
9862         * arm.cc (Target_arm::scan::global): Use || instead of |.
9863
9864 2009-06-02  Doug Kwan  <dougkwan@google.com>
9865
9866         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9867         issued_non_pic_error_.
9868         (class Target_arm::Scan): Declare new method check_non_pic.
9869         Define new method symbol_needs_plt_entry.
9870         Declare new data member issued_non_pic_error_.
9871         (class Target_arm::Relocate): Declare new method
9872         should_apply_static_reloc.
9873         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9874         (Target_arm::Scan::check_non_pic): Define new method.
9875         (Target_arm::Scan::local): Handle a small subset of reloc types used
9876         by Android.
9877         (Target_arm::Scan::local): Same.
9878         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9879
9880 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9881
9882         * incremental.cc (Incremental_inputs::report_command_line): Filter
9883         out --incremental-* options.
9884
9885 2009-05-29  Doug Kwan  <dougkwan@google.com>
9886
9887         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9888         template class.
9889         (class Target_arm): Update comment.
9890         (Target_arm::Target_arm): Initialize new data members GOT_,
9891         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9892         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9893         and Target_arm::rel_dyn_section.
9894         Declare new_enum Target_arm::Got_type.
9895         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9896         and DYNBSS_.
9897         Update commments for member do_dynsym_value.
9898         (Target_arm::got_size, Target_arm::plt_section,
9899         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9900         new methods inside class defintion.
9901         (Target_arm::got_section): Define new method.
9902         (Target_arm::rel_dyn_section): Same.
9903         (Output_data_plt_arm): New template class.
9904         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9905         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9906         (Output_data_plt_arm::add_entry): Same.
9907         (Output_data_plt_arm::first_plt_entry): Define new
9908         static data member for PLT instruction template.
9909         (Output_data_plt_arm::plt_entry): Same.
9910         (Output_data_plt_arm::do_write): Define new method.
9911         (Target_arm::make_plt_entry): Same.
9912         (Target_arm::do_finalize_sections): Same.
9913         (Target_arm::do_dynsym_value): Same.
9914
9915 2009-05-28  Doug Kwan  <dougkwan@google.com>
9916
9917         * Makefile.am (TARGETSOURCES): Add arm.cc.
9918         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9919         * Makefile.in: Regenerate.
9920         * arm.cc: New file.
9921         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9922
9923 2009-05-26  Doug Kwan  <dougkwan@google.com>
9924
9925         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9926         (General_options::check_excluded_libs): Strip off directories in
9927         archive name before matching like GNU ld does.
9928         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9929         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9930         (exclude_libs_test_LDFLAGS): Add linker option
9931         -Wl,--exclude-libs,libexclude_libs_test_3
9932         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9933         an explicit archive without using -l.
9934         (alt/libexclude_libs_test_3.a): New make rule.
9935         * testsuite/Makefile.in: Regenerate.
9936         * testsuite/exclude_libs_test.c : Declare lib3_default().
9937         (main): Call it.
9938         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9939         * exclude_libs_test_3.c: New file.
9940
9941 2009-05-26  Nick Clifton  <nickc@redhat.com>
9942
9943         * po/id.po: New Indonesian translation.
9944         * po/gold.pot: Updated template file.
9945
9946 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9947
9948         * testsuite/Makefile.am: Add -ffunction-sections to compile
9949         gc_comdat_test files.  Add -Wl,--gc-sections to build
9950         gc_comdat_test.
9951         * testsuite/Makefile.in: Regenerate.
9952         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9953
9954 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9955
9956         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9957         kept comdat section was garbage collected.
9958         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9959         * testsuite/Makefile.in: Regenerate.
9960         * testsuite/gc_comdat_test.sh: New file.
9961         * testsuite/gc_comdat_test_1.cc: New file.
9962         * testsuite/gc_comdat_test_2.cc: New file.
9963
9964 2009-05-19  Doug Kwan  <dougkwan@google.com>
9965
9966         * archive.cc (Archive::Archive): Move constructor from archive.h
9967         to here.  Initialize no_export_.
9968         (Archive::get_elf_object_for_member): Set no_export flag of object.
9969         * archive.h (Archive::Archive): Move constructor body to
9970         archive.cc.
9971         (Archive::no_export): New method.
9972         (Archive::no_export_): New field.
9973         * object.h (Object::Object): Initialize no_export_ to false.
9974         (Object::no_export, Object::set_no_export): New methods.
9975         (Object::no_export_): New field.
9976         * options.cc (General_options::parse_exclude_libs): New method.
9977         (General_options::check_excluded_libs) Same.
9978         * options.h (exclude_libs): New option.
9979         (General_options::check_excluded_libs): New method declaration.
9980         (General_options::excluded_libs_): New field.
9981         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9982         default or protected visibility if an object has no-export flag set.
9983         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9984         (check_SCRIPTS): Add exclude_libs_test.sh.
9985         (check_DATA): Add exclude_libs_test.syms.
9986         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9987         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9988         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9989         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9990         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9991         libexclude_libs_test_2.a): New rules.
9992         * testsuite/Makefile.in: Regenerate.
9993         * testsuite/exclude_libs_test.c: New file.
9994         * testsuite/exclude_libs_test.sh: Ditto.
9995         * testsuite/exclude_libs_test_1.c: Ditto.
9996         * testsuite/exclude_libs_test_2.c: Ditto.
9997
9998 2009-05-15  Ian Lance Taylor  <iant@google.com>
9999
10000         * configure.ac: Check for declarations for cases where libiberty.h
10001         checks HAVE_DECL_xxx.
10002         * configure, config.in: Rebuild.
10003
10004 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10005
10006         * gold.h (Incremental_argument_list): Remove (invalid) forward
10007         declaration.
10008         * incremental.cc (Incremental_inputs::report_achive): New method.
10009         (Incremental_inputs::report_object): New method.
10010         (Incremental_inputs::report_script): New method.
10011         (Incremental_inputs::finalize_inputs): New method.
10012         (Incremental_inputs::finalize): Call finalize_inputs().
10013         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10014         Create inputs entries.
10015         * incremental.h (Incremental_input_type): New enum.
10016         (Incremental_inputs::Incremental_input): Initialize new fields.
10017         (Incremental_inputs::report_inputs): New method.
10018         (Incremental_inputs::report_achive): New method.
10019         (Incremental_inputs::report_object): New method.
10020         (Incremental_inputs::report_script): New method.
10021         (Incremental_inputs::finalize_inputs): New method.
10022         (Incremental_inputs::Input_info): New struct.
10023         (Incremental_inputs::Input_info_map): New typedef.
10024         (Incremental_inputs::lock_): New field.
10025         (Incremental_inputs::Inputs_): New field.
10026         (Incremental_inputs::Inputs_map): New field.
10027         * main.cc (main): Call Incremental_input::report_inputs.
10028         * options.h (Input_argument_list): Typedef moved from
10029         Input_arguments.
10030         (Input_file_group::Files): Remove, use ::Input_argument_list.
10031         (Input_file_group::Input_argument_list): Remove, use
10032         ::Input_argument_list.
10033         * plugin.cc (Plugin_manager::add_input_file): Add error in
10034         incremental build.
10035         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10036         functions.
10037         * script.cc (read_input_script): Call
10038         Incremental_input::report_script.
10039         * script.h (Script_info): New class.
10040
10041 2009-04-27  Ian Lance Taylor  <iant@google.com>
10042
10043         * x86_64.cc (do_adjust_output_section): Set entsize to
10044         plt_entry_size.
10045
10046 2009-04-23  Elliott Hughes  <enh@google.com>
10047
10048         * output.cc (Output_file::close): After short writes, continue
10049         writing from the correct offset in the buffer being written.
10050
10051 2009-04-23  Chris Demetriou  <cgd@google.com>
10052
10053         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10054         * configure: Regenerate.
10055         * config.in: Regenerate.
10056         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10057         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10058
10059 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10060
10061         * incremental.cc (Incremental_inputs_header_data): Renamed from
10062         Incremental_input_header_data.
10063         (Incremental_inputs_header_data::data_size): New field.
10064         (Incremental_inputs_header_data::put_input_file_count): Renamed
10065         from input_file_count.
10066         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10067         from command_line_offset.
10068         (Incremental_inputs_header_data::put_reserved): Renamed from
10069         put_reserved.
10070         (Incremental_inputs_entry_data): Renamed from
10071         Incremental_input_entry_data.
10072         (Incremental_inputs_entry_data::data_size): New field.
10073         (Incremental_inputs::report_command_line): New method.
10074         (Incremental_inputs::finalize): New method.
10075         (Incremental_inputs::create_incremental_inputs_data): New method.
10076         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10077         * incremental.h: New file.
10078         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10079        (Layout::finalize): Create incremental inputs section in
10080         incremental builds.
10081        (Layout::create_incremental_info_sections): New method.
10082         * layout.h (Layout::incremental_inputs): New method.
10083        (Layout::create_incremental_info_sections): New method.
10084        (Layout::incremental_inputs_): New field.
10085         * main.cc (main): Notify Incremental_input of the command line.
10086
10087 2009-04-01  Ian Lance Taylor  <iant@google.com>
10088             Mikolaj Zalewski  <mikolajz@google.com>
10089
10090         * gold.h (reserve_unordered_map): Define, three versions, one for
10091         each version of Unordered_map.
10092         * layout.cc (Layout::Layout): Remove options parameter.  Add
10093         number_of_input_files parameter.  Don't initialize options_.
10094         Initialize number_of_input_files_ and resized_signatures_.  Move
10095         sections_are_attached_.
10096         (Layout::layout_group): Reserve space for group_signatures_.
10097         (Layout::find_or_add_kept_section): Change name parameter to be a
10098         reference.  Resize signatures_ map when it gets large enough.
10099         (Layout::layout_eh_frame): Use parameters->options() instead of
10100         this->options_.
10101         (Layout::make_output_section): Likewise.
10102         (Layout::attach_allocated_section_to_segment): Likewise.
10103         (Layout::finalize, Layout::create_executable_stack): Likewise.
10104         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10105         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10106         * layout.h (class Layout): Update declarations.  Remove options_
10107         field.  Add number_of_input_files_ and resized_signatures_
10108         fields.  Move sections_are_attached_ field.
10109         * main.cc (main): Pass number of input files to Layout
10110         constructor.  Don't pass options.
10111
10112 2009-03-30  Ian Lance Taylor  <iant@google.com>
10113
10114         * ffsll.c (ffsll): Correct implementation.
10115
10116 2009-03-27  Ian Lance Taylor  <iant@google.com>
10117
10118         * ffsll.c: New file.
10119         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10120         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10121         * ftruncate.c (ftruncate): Declare before definition.
10122         * mremap.c (mremap): Likewise.
10123         * pread.c (pread): Likewise.
10124         * configure, Makefile.in, config.in: Rebuild.
10125
10126         * mremap.c: New file.
10127         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10128         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10129         (mremap): Declare if HAVE_MREMAP is not defined.
10130         * configure, Makefile.in, config.in: Rebuild.
10131
10132 2009-03-27  Cary Coutant  <ccoutant@google.com>
10133
10134         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10135         position independent.
10136         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10137         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10138
10139 2009-03-24  Cary Coutant  <ccoutant@google.com>
10140
10141         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10142         an executable.
10143         (needs_dynamic_reloc): Likewise.
10144
10145 2009-03-24  Ian Lance Taylor  <iant@google.com>
10146
10147         * yyscript.y (file_cmd): Recognize EXTERN.
10148         (extern_name_list, extern_name_list_body): New nonterminals.
10149         * script.cc (script_add_extern): Define.
10150         * script-c.h (script_add_extern): Declare.
10151
10152 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10153
10154         * object.cc (is_elf_object): Define.
10155         * object.h (is_elf_object): Declare.
10156         * archive.cc (Archive::get_elf_object_for_member): Call
10157         is_elf_object.
10158         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10159
10160 2009-03-24  Elliott Hughes  <enh@google.com>
10161
10162         * output.cc (Output_file::map_anonymous): Define.
10163         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10164         try an anonymous one.  Report the size if the mmap fails.
10165         * output.h (class Output_file): Declare map_anonymous.
10166
10167 2009-03-24  Ian Lance Taylor  <iant@google.com>
10168
10169         * target-select.cc (instantiate_target): Don't acquire the lock if
10170         the instantiated_target_ field has already been set.
10171
10172 2009-03-23  Ian Lance Taylor  <iant@google.com>
10173
10174         * gold-threads.h (class Initialize_lock): Define.
10175         * gold-threads.cc (class Initialize_lock_once): Define.
10176         (initialize_lock_control): New static variable.
10177         (initialize_lock_pointer): New static variable.
10178         (initialize_lock_once): New static function.
10179         (Initialize_lock::Initialize_lock): Define.
10180         (Initialize_lock::initialize): Define.
10181         * target-select.h: Include "gold-threads.h".
10182         (class Target_selector): Add lock_ and initialize_lock_ fields.
10183         Don't define instantiate_target, just declare it.
10184         * target-select.cc (Target_selector::Target_selector): Initialize
10185         new fields.
10186         (Target_selector::instantiate_target): Define.
10187         * descriptors.h: Include "gold-threads.h".
10188         (class Descriptors): Add initialize_lock_ field.
10189         * descriptors.cc (Descriptors::Descriptors): Initialize new
10190         field.
10191         (Descriptors::open): Use initialize_lock_ field
10192         * errors.h (class Errors): Add initialize_lock_ field.
10193         * errors.cc (Errors::Errors): Initialize new field.
10194         (Errors::initialize_lock): Use initialize_lock_ field.
10195         * powerpc.cc (class Target_selector_powerpc): Remove
10196         instantiated_target_ field.  In do_recognize call
10197         instantiate_target rather than do_instantiate_target.  In
10198         do_instantiate_target just allocate a new target.
10199         * sparc.cc (class Target_selector_sparc): Likewise.
10200
10201         * freebsd.h: New file.
10202         * i386.cc: Include "freebsd.h".
10203         (Target_i386): Derive from Target_freebsd rather than
10204         Sized_target.
10205         (Target_selector_i386): Derive from Target_selector_freebsd rather
10206         than Target_selector.
10207         * x86_64.cc: Include "freebsd.h".
10208         (Target_x86_64): Derive from Target_freebsd rather than
10209         Sized_target.
10210         (Target_selector_x86_64): Derive from Target_selector_freebsd
10211         rather than Target_selector.
10212         * target.h (class Target): Add adjust_elf_header and
10213         do_adjust_elf_header.
10214         * output.cc (Output_file_header:: do_sized_write): Call target
10215         adjust_elf_header routine.
10216         * configure.tgt: Set targ_osabi.
10217         * configure.ac: Define GOLD_DEFAULT_OSABI.
10218         * parameters.cc (Parameters::default_target): Pass
10219         GOLD_DEFAULT_OSABI to select_target.
10220         * target-select.h (class Target_selector): Make instantiate_target
10221         protected rather than private.
10222         * Makefile.am (HFILES): Add freebsd.h.
10223         * configure, Makefile.in, config.in: Rebuild.
10224
10225         * merge.cc (do_add_input_section): Correct pend value.  Change
10226         message about last entry not being null terminated from error to
10227         warning.
10228
10229 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10230
10231         * incremental.cc: New file.
10232         * Makefile.am (CCFILES): Add incremental.cc.
10233         * Makefile.in: Rebuild.
10234
10235 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
10236
10237         * layout.cc (Layout::output_section_name): Preserve names
10238         of '.note.' sections.
10239
10240 2009-03-19  Ian Lance Taylor  <iant@google.com>
10241
10242         * descriptors.cc (Descriptors::open): Check that the options are
10243         valid before using them.
10244
10245 2009-03-18  Ian Lance Taylor  <iant@google.com>
10246
10247         * script-sections.h: Include <list>.
10248         (class Script_sections): Change Sections_elements from std::vector
10249         to std::list.  Typedef public Elements_iterator.  Add
10250         orphan_section_placement_, data_segment_align_start_, and
10251         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10252         field.
10253         * script-sections.cc (class Orphan_section_placement): New class.
10254         (class Sections_element): Add virtual functions is_relro and
10255         orphan_section_init.  Remove virtual function place_orphan_here.
10256         (class Output_section_definition): Add is_relro and
10257         orphan_section_init.  Remove place_orphan_here.
10258         (class Orphan_output_section): Likewise.
10259         (Script_sections::Script_sections): Update for field changes.
10260         (Script_sections::data_segment_align): Set saw_data_segment_align_
10261         and data_segment_align_start_, not data_segment_align_index.
10262         (Script_sections::data_segment_relro_end): Check
10263         saw_data_segment_align_.  Use data_segment_align_start_ rather
10264         than data_segment_align_index_.
10265         (Script_sections::place_orphan): Rewrite to use
10266         Orphan_section_placement.
10267
10268 2009-03-17  Ian Lance Taylor  <iant@google.com>
10269
10270         * archive.cc (Archive::add_symbols): Check for a version attached
10271         to the symbol name in the archive map.
10272         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10273         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10274         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10275         (ver_test_11.a): New target.
10276         * testsuite/Makefile.in: Rebuild.
10277
10278         * configure.ac: Check for chsize and posix_fallocate.  Replace
10279         ftruncate.
10280         * ftruncate.c: New file, from gnulib.
10281         * output.cc (posix_fallocate): Define dummy version if not
10282         HAVE_POSIX_FALLOCATE.
10283         (Output_file::map): Call posix_fallocate rather than lseek and
10284         write.
10285         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10286         * configure, Makefile.in, config.in: Rebuild.
10287
10288 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10289
10290         * layout.h (Layout::create_note): Add section_name parameter.
10291         * layout.cc (Layout::create_note): Likewise.
10292         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
10293
10294 2009-03-17  Ian Lance Taylor  <iant@google.com>
10295
10296         * descriptors.cc: Include "options.h".
10297         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
10298         (Descriptors::open): Always use O_CLOEXEC when opening a new
10299         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
10300         then set FD_CLOEXEC.
10301
10302         * sparc.cc (class Target_sparc): Add has_got_section.
10303         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
10304         make sure we have a GOT section.
10305
10306         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
10307         (Target_sparc::Scan::local): Likewise.
10308         (Target_sparc::Scan::global): Likewise.
10309         (Target_sparc::Relocate::relocate): Likewise.
10310         (Target_sparc::Relocate::relocate_tls): Likewise.
10311
10312         * symtab.cc (Symbol_table::define_default_version): New function,
10313         broken out of add_from_object.
10314         (Symbol_table::add_from_object): Call define_default_version.
10315         (Symbol_table::define_special_symbol): Add resolve_oldsym
10316         parameter.  Change all callers.  If the version for a symbol comes
10317         from a version script, resolve it with the symbol with the same
10318         name with no version.  Also add the symbol without a version if
10319         appropriate.
10320         (do_define_in_output_data): If resolving with oldsym, don't delete
10321         sym.
10322         (do_define_in_output_segment): Likewise.
10323         (do_define_as_constant): Likewise.
10324         * symtab.h (class Symbol_table): Update declarations.
10325
10326 2009-03-13  Ian Lance Taylor  <iant@google.com>
10327
10328         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10329         (Read_symbols::requeue): New function.
10330         (Read_symbols::do_read_symbols): If make_elf_object fails because
10331         the target type is not configured, and the file was searched for,
10332         issue a warning and retry with the next directory.
10333         (Add_symbols::run): If the file has an incompatible format, and
10334         it was searched for, requeue the Read_symbols task.  On error,
10335         release the object.
10336         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10337         dirindex parameter to constructor.  Change all callers.  Declare
10338         incompatible_warning and requeue.
10339         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10340         input_argument_ and input_group_ fields.  Add them to
10341         constructor.  Change all callers.
10342         (class Read_script): Add dirindex_ field.  Add it to constructor.
10343         Change all callers.
10344         * archive.cc (Archive::setup): Remove input_objects parameter.
10345         Change all callers.
10346         (Archive::get_file_and_offset): Likewise.
10347         (Archive::read_all_symbols): Likewise.
10348         (Archive::read_symbols): Likewise.
10349         (Archive::get_elf_object_for_member): Remove input_objects
10350         parameter.  Add punconfigured parameter.  Change all callers.
10351         (Archive::add_symbols): Change return type to bool.  Check return
10352         value of include_member.
10353         (Archive::include_all_members): Likewise.
10354         (Archive::include_member): Change return type to bool.  Return
10355         false if first included object has incompatible target.  Set
10356         included_member_ field.
10357         (Add_archive_symbols::run): If add_symbols returns false, requeue
10358         Read_symbols task.
10359         * archive.h (class Archive): Add included_member_ field.
10360         Initialize it in constructor.  Add input_file and searched_for
10361         methods.  Update declarations.
10362         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10363         input_argument_ fields.  Add them to constructor.  Change all
10364         callers.
10365         * script.cc: Include "target-select.h".
10366         (class Parser_closure): Add skip_on_incompatible_target_ and
10367         found_incompatible_target_ fields.  Add
10368         skip_on_incompatible_target parameter to constructor.  Change all
10369         callers.  Add methods skip_on_incompatible_target,
10370         clear_skip_on_incompatible_target, found_incompatible_target, and
10371         set_found_incompatible_target.
10372         (read_input_script): Add dirindex parameter.  Change all callers.
10373         If parser finds an incompatible target, requeue Read_symbols
10374         task.
10375         (script_set_symbol): Clear skip_on_incompatible_target in
10376         closure.
10377         (script_add_assertion, script_parse_option): Likewise.
10378         (script_start_sections, script_add_phdr): Likewise.
10379         (script_check_output_format): New function.
10380         * script.h (read_input_script): Update declaration.
10381         * script-c.h (script_check_output_format): Declare.
10382         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10383         (ignore_cmd): Remove OUTPUT_FORMAT.
10384         * fileread.cc (Input_file::Input_file): Add explicit this.
10385         (Input_file::will_search_for): New function.
10386         (Input_file::open): Add pindex parameter.  Change all callers.
10387         * fileread.h (class Input_file): Add input_file_argument method.
10388         Declare will_search_for.  Update declarations.
10389         * object.cc (make_elf_object): Add punconfigured parameter.
10390         Change all callers.
10391         * object.h (class Object): Make input_file public.  Add
10392         searched_for method.
10393         (make_elf_object): Update declaration.
10394         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10395         restart search.
10396         * dirsearch.h (class Dirsearch): Update declaration.
10397         * options.h (class General_options): Add --warn-search-mismatch.
10398         * parameters.cc (Parameters::is_compatible_target): New function.
10399         * parameters.h (class Parameters): Declare is_compatible_target.
10400         * workqueue.cc (Workqueue::add_blocker): New function.
10401         * workqueue.h (class Workqueue): Declare add_blocker.
10402
10403         * fileread.cc (Input_file::open): Remove options parameter.
10404         Change all callers.
10405         (Input_file::open_binary): Likewise.
10406         * script.cc (read_input_script): Likewise.
10407         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10408         options parameter from constructor.  Change all callers.
10409         (class Read_script): Likewise.
10410         * fileread.h (class Input_file): Update declarations.
10411         * script.h (read_input_script): Update declaration.
10412
10413 2009-03-10  Nick Clifton  <nickc@redhat.com>
10414
10415         * po/es.po: New Spanish translation.
10416
10417 2009-03-06  Cary Coutant  <ccoutant@google.com>
10418
10419         * options.cc (parse_short_option): Keep dash_z from registering itself.
10420
10421 2009-03-03  Ian Lance Taylor  <iant@google.com>
10422
10423         PR 9918
10424         * target-reloc.h (relocate_section): Pass output_section to
10425         relocate.
10426         * i386.cc (Target_i386::should_apply_static_reloc): Add
10427         output_section parameter.  Change all callers.
10428         (Target_i386::Relocate::relocate): Add output_section parameter.
10429         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10430         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10431         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10432         * testsuite/two_file_shared.sh: New script.
10433         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10434         (check_DATA): Add two_file_shared.dbg.
10435         (two_file_shared.dbg): New target.
10436         * testsuite/Makefile.in: Rebuild.
10437
10438 2009-03-01  Ian Lance Taylor  <iant@google.com>
10439
10440         * configure.ac: Check for byteswap.h.
10441         * configure: Rebuild.
10442         * config.in: Rebuild.
10443
10444 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10445
10446         * layout.cc (Layout::find_or_add_kept_section): New function.
10447         (Layout::add_comdat): Removed.
10448         * layout.h (struct Kept_section): Move out of class Layout.
10449         Remove trailing underscores from field names.  Add group_sections
10450         field.  Rename group_ field to is_group.  Change all uses.
10451         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10452         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10453         comdat_groups_ field.
10454         (Sized_relobj::include_section_group): Use
10455         find_or_add_kept_section and Kept_section::group_sections.
10456         (Sized_relobj::include_linkonce_section): Likewise.
10457         * object.cc (class Sized_relobj): Don't define Comdat_group or
10458         Comdat_group_table.  Remove find_comdat_group and
10459         add_comdat_group.  Remove comdat_groups_ field.
10460         * plugin.cc (include_comdat_group): Use
10461         Layout::find_or_add_kept_section.
10462
10463 2009-02-28  Ian Lance Taylor  <iant@google.com>
10464
10465         * README: --gc-sections and map files are now supported.  Document
10466         some build requirements.
10467
10468         PR 6992
10469         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10470         relocatable link set the value of the section symbol to zero.
10471         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10472         relocatable link don't include the section address in the local
10473         symbol value.
10474
10475 2009-02-27  Ian Lance Taylor  <iant@google.com>
10476
10477         PR 6811
10478         * options.h (class Search_directory): Add is_system_directory.
10479         (class General_options): Declare is_in_system_directory.
10480         * options.cc (get_relative_sysroot): Make static.
10481         (get_default_sysroot): Make static.
10482         (General_optoins::is_in_system_directory): New function.
10483         * fileread.cc (Input_file::is_in_system_directory): New function.
10484         * fileread.h (class Input_file): Declare is_in_system_directory.
10485         * object.h (class Object): Add is_in_system_directory.
10486         (class Input_objects): Remove system_library_directory_ field.
10487         * object.cc (Input_objects::add_object): Don't set
10488         system_library_directory_.
10489         (input_objects::found_in_system_library_directory): Remove.
10490         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10491         parameter.  Change all callers.
10492         (Symbol_table::sized_write_globals): Likewise.
10493         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10494         Call Object::is_in_system_directory.
10495         * symtab.h (class Symbol_table): Update declarations.
10496
10497         PR 5990
10498         * descriptors.h (Open_descriptor): Add is_on_stack field.
10499         * descriptors.cc (Descriptors::open): If the descriptor is on the
10500         top of the stack, remove it.  Initialize is_on_stack field.
10501         (Descriptors::release): Only add pod to stack if it is not on the
10502         stack already.
10503         (Descriptors::close_some_descriptor): Clear stack_next and
10504         is_on_stack fields.
10505
10506         PR 7091
10507         * output.cc (Output_section::find_starting_output_address): Rename
10508         from starting_output_address; add PADDR parameter; change return
10509         type.
10510         * output.h (class Output_section): Declare
10511         find_starting_output_address instead of starting_output_address.
10512         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10513         section symbol for which we can't find a merge section.
10514
10515         PR 9836
10516         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10517         hidden or internal, force the symbol to be local.
10518         * resolve.cc (Symbol::override_visibility): Define.
10519         (Symbol::override_base): Use override_visibility.
10520         (Symbol_table::resolve): Likewise.
10521         (Symbol::override_base_with_special): Likewise.
10522         (Symbol_table::override_with_special): If the visibility is hidden
10523         or internal, force the symbol to be local.
10524         * symtab.h (class Symbol): Add set_visibility and
10525         override_visibility.
10526         * testsuite/ver_test_1.sh: New file.
10527         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10528         (check_DATA): Add ver_test_1.syms.
10529         (ver_test_1.syms): New target.
10530         * testsuite/Makefile.in: Rebuild.
10531
10532 2009-02-25  Cary Coutant  <ccoutant@google.com>
10533
10534         * layout.cc (Layout::choose_output_section): Don't rename sections
10535         when using a linker script that has a SECTIONS clause.
10536         * Makefile.in: Regenerate.
10537
10538         * testsuite/Makefile.am (script_test_5.sh): New test case.
10539         * testsuite/Makefile.in: Regenerate.
10540         * testsuite/script_test_5.cc: New file.
10541         * testsuite/script_test_5.sh: New file.
10542         * testsuite/script_test_5.t: New file.
10543
10544 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10545
10546         * archive.cc (Archive::include_member): Update calls to add_symbols.
10547         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10548         the Layout argument.
10549         * dynobj.h (do_add_symbols): Add the Layout argument.
10550         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10551         Layout argument.
10552         * object.h (Object::add_symbols): Add the Layout argument.
10553         (Object::do_add_symbols): Add the Layout argument.
10554         (Sized_relobj::do_add_symbols): Add the Layout argument.
10555         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10556         Unify the two versions.
10557         (Add_plugin_symbols): Remove.
10558         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10559         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10560         (Add_plugin_symbols): Remove.
10561         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10562         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10563         (Add_symbols::run): Make it work with Pulginobj.
10564
10565 2009-02-06  Ian Lance Taylor  <iant@google.com>
10566
10567         * object.cc (Sized_relobj::do_layout): Make info message start
10568         with lower case letter.
10569
10570 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10571
10572         * binary.cc: Fix file comment.
10573
10574         * options.h (enum Incremental_disposition): Define.
10575         (class General_options): Add new options: --incremental,
10576         --incremental_changed, --incremental_unchanged,
10577         --incremental_unknown.  Add incremental_disposition_ and
10578         implicit_incremental_ fields.
10579         (General_options::incremental_disposition): New function.
10580         (class Position_dependent_options): Add incremental_disposition
10581         option.
10582         (Position_dependent_options::copy_from_options): Set incremental
10583         dispositions.
10584         * options.cc (General_options::parse_incremental_changed): New
10585         function.
10586         (General_options::parse_incremental_unchanged): New function.
10587         (General_options::parse_incremental_unknown): New function.
10588         (General_options::General_options): Initialize new fields
10589         incremental_disposition_ and implicit_incremental_.
10590         (General_options::finalize): Check for uasge of --incremental-*
10591         without --incremental.
10592
10593 2009-02-06  Chris Demetriou  <cgd@google.com>
10594
10595         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10596         pointer and to report location as the file name associated with
10597         the symbol.
10598         (gold_undefined_symbol_at_location): New function to replace the
10599         old gold_undefined_symbol functionality.
10600         * target-reloc.h (relocate_section): Update to use
10601         gold_undefined_symbol_at_location.
10602         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10603         Call gold_undefined_symbol function rather than gold_error.
10604         * errors.h (Errors::undefined_symbol): Take location as a
10605         string, rather than calculating it from a relocation.
10606         * errors.cc (Errors::fatal): Print "fatal error:" before the
10607         formatted message.
10608         (Errors::error, Errors::error_at_location): Print "error: "
10609         before the formatted message.
10610         (Errors::undefined_symbol): Take location as a string, rather
10611         than calculating it from a relocation.
10612         (gold_undefined_symbol_at_location): New function akin to
10613         old gold_undefined_symbol, calculates location from relocation.
10614         (gold_undefined_symbol): Change to take only a Symbol pointer
10615         and to report location as the file name associated with the symbol.
10616         * testsuite/debug_msg.sh: Update for changed error messages.
10617         * testsuite/undef_symbol.sh: Likewise.
10618
10619 2009-02-04  Duncan Sands  <baldrick@free.fr>
10620
10621         PR 9812
10622         * reduced_debug_output.h
10623         (Output_reduced_debug_abbrev_section::failed): Use format for
10624         gold_warning.
10625         (Output_reduced_debug_info_section::faild): Likewise.
10626
10627 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10628
10629         * script.cc (Lazy_demangler): New class.
10630         (Version_script_info::get_symbol_version_helper): Demangle a
10631         symbol only once.
10632
10633 2009-01-29  Cary Coutant  <ccoutant@google.com>
10634
10635         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10636         to __tls_get_addr.
10637         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10638
10639 2009-01-28  Ian Lance Taylor  <iant@google.com>
10640
10641         * version.cc (version_string): Bump to 1.9.
10642
10643         * gold.h: Include <cstring> and <stdint.h>.
10644         * version.cc: Include <cstdio>.
10645         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10646         warning.
10647         * reduced_debug_output.cc (insert_into_vector): Rename from
10648         Insert_into_vector; change all callers.  Use Swap_unaligned to
10649         avoid aliasing issue; remove union since it is unnecessary.
10650
10651 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10652
10653         * Makefile.am (CCFILES): Add gc.cc.
10654         (HFILES): Add gc.h.
10655         * Makefile.in: Regenerate.
10656         * gold.cc (Gc_runner): New class.
10657         (queue_initial_tasks): Call garbage collection related tasks
10658         when corresponding options are invoked.
10659         (queue_middle_gc_tasks): New function.
10660         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10661         processed early before laying out sections during garbage collection.
10662         * gold.h (queue_middle_gc_tasks): New function.
10663         (is_prefix_of): Move from "layout.cc".
10664         * i386.cc (Target_i386::gc_process_relocs): New function.
10665         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10666         * main.cc (main): Create object of class "Garbage_collection".
10667         * object.cc (Relobj::copy_symbols_data): New function.
10668         (Relobj::is_section_name_included): New function.
10669         (Sized_relobj::do_layout): Allow this function to be called twice
10670         during garbage collection and defer layout of section during the
10671         first call.
10672         * object.h (Relobj::get_symbols_data): New function.
10673         (Relobj::is_section_name_included): New function.
10674         (Relobj::copy_symbols_data): New function.
10675         (Relobj::set_symbols_data): New function.
10676         (Relobj::get_relocs_data): New function.
10677         (Relobj::set_relocs_data): New function.
10678         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10679         (Relobj::gc_process_relocs): New function.
10680         (Relobj::do_gc_process_relocs): New pure virtual function.
10681         (Relobj::sd_): New data member.
10682         (Sized_relobj::is_output_section_offset_invalid): New function.
10683         (Sized_relobj::do_gc_process_relocs): New function.
10684         * options.h (General_options::gc_sections): Modify to not be a no-op.
10685         (General_options::print_gc_sections): New option.
10686         * plugin.cc (Plugin_finish::run): Remove function call to
10687         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10688         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10689         * reloc.cc (Read_relocs::run): Add task to process relocs and
10690         determine unreferenced sections when doing garbage collection.
10691         (Gc_process_relocs): New class.
10692         (Sized_relobj::do_gc_process_relocs): New function.
10693         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10694         sections that are garbage collected.
10695         * reloc.h (Gc_process_relocs): New class.
10696         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10697         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10698         symbols whose corresponding sections are garbage collected.
10699         (Symbol_table::Symbol_table): Add new parameter for the garbage
10700         collection object.
10701         (Symbol_table::gc_mark_undef_symbols): New function.
10702         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10703         (Symbol_table::gc_mark_dyn_syms): New function.
10704         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10705         as garbage.
10706         (Symbol_table::add_from_object): Likewise.
10707         (Symbol_table::add_from_relobj): When building shared objects, do not
10708         treat externally visible symbols as garbage.
10709         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10710         table information for static and relocatable links.
10711         * symtab.h (Symbol_table::set_gc): New function.
10712         (Symbol_table::gc): New function.
10713         (Symbol_table::gc_mark_undef_symbols): New function.
10714         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10715         (Symbol_table::gc_mark_dyn_syms): New function.
10716         (Symbol_table::gc_): New data member.
10717         * target.h (Sized_target::gc_process_relocs): New pure virtual
10718         function.
10719         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10720         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10721
10722 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10723
10724         * options.h (General_options::gc_sections): Define as a no-op for now.
10725         (General_options::no_keep_memory): Ditto.
10726         (General_options::Bshareable): Define.
10727         * options.cc (General_options::finalize): Honor -Bshareable.
10728
10729 2009-01-20  Andreas Schwab  <schwab@suse.de>
10730
10731         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10732         read the value in the contents, since we don't use it.  Use the
10733         template endianness when writing.
10734         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10735
10736 2009-01-19  Andreas Schwab  <schwab@suse.de>
10737
10738         * configure.tgt (powerpc64-*): Fix targ_obj.
10739
10740 2009-01-15  Ian Lance Taylor  <iant@google.com>
10741
10742         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10743         local symbols when stripping all symbols.
10744
10745 2009-01-14  Cary Coutant  <ccoutant@google.com>
10746
10747         * output.cc (Output_reloc): Add explicit instantiations.
10748
10749 2009-01-14  Cary Coutant  <ccoutant@google.com>
10750
10751         * archive.cc (Archive::get_elf_object_for_member): Remove call
10752         to File_read::claim_for_plugin.
10753         * descriptors.cc (Descriptors::open): Remove reference to
10754         is_claimed.
10755         (Descriptors::claim_for_plugin): Remove.
10756         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10757         (Descriptors::is_claimed): Remove.
10758         (claim_descriptor_for_plugin): Remove.
10759         * fileread.cc (File_read::claim_for_plugin): Remove.
10760         * fileread.h (File_read::claim_for_plugin): Remove.
10761         (File_read::descriptor): Reopen descriptor if necessary.
10762         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10763         (Plugin_manager::all_symbols_read): Add task parameter. Change
10764         all callers.
10765         (Plugin_manager::get_input_file): New function.
10766         (Plugin_manager::release_input_file): New function.
10767         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10768         corresponding data member.
10769         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10770         and pass to base constructor. Change all callers.
10771         (get_input_file, release_input_file): New functions.
10772         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10773         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10774         (Plugin_manager::all_symbols_read): Add task parameter.
10775         (Plugin_manager::get_input_file): New function.
10776         (Plugin_manager::release_input_file): New function.
10777         (Plugin_manager::task_): New data member.
10778         (Pluginobj::Pluginobj): Add filesize parameter.
10779         (Pluginobj::filename): New function.
10780         (Pluginobj::descriptor): New function.
10781         (Pluginobj::filesize): New function.
10782         (Pluginobj::filesize_): New data member.
10783         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10784         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10785         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10786
10787         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10788         with archive libraries.
10789         * testsuite/Makefile.in: Regenerate.
10790         * testsuite/plugin_test.c (struct sym_info): New type.
10791         (get_input_file, release_input_file): New static variables.
10792         (onload): Capture new transfer vector entries.
10793         (claim_file_hook): Stop reading at end of file according to filesize.
10794         Factor out parsing of readelf output into separate function.
10795         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10796         APIs and get the source file name from the symbol table.  Convert
10797         source file name to corresponding object file name.  Print info
10798         message when adding new input files.
10799         (parse_readelf_line): New function.
10800         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10801         * testsuite/plugin_test_2.sh: Likewise.
10802         * testsuite/plugin_test_3.sh: Likewise.
10803         * testsuite/plugin_test_4.sh: New test case.
10804
10805 2009-01-07  Ian Lance Taylor  <iant@google.com>
10806
10807         * version.cc (version_string): Bump to 1.8.
10808
10809 2008-12-23  Cary Coutant  <ccoutant@google.com>
10810
10811         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10812         * plugin.cc (Plugin_manager::finish): Rename as
10813         layout_deferred_objects.  Move cleanup to separate function.
10814         (Plugin_manager::cleanup): New function.
10815         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10816         separately.
10817         * plugin.h (Plugin_manager::finish): Rename as
10818         layout_deferred_objects.
10819         (Plugin_manager::cleanup): New function.
10820         (Plugin_manager::cleanup_done): New field.
10821
10822 2008-12-23  Cary Coutant  <ccoutant@google.com>
10823
10824         * plugin.cc (is_visible_from_outside): New function.
10825         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10826         so we don't return "IR only" status for exported symbols or -r links.
10827
10828         * testsuite/Makefile.am (plugin_test_3): New test case.
10829         * testsuite/Makefile.in: Regenerate.
10830         * testsuite/plugin_test_3.sh: New file.
10831
10832 2008-12-22  Cary Coutant  <ccoutant@google.com>
10833
10834         * object.cc (Sized_relobj::layout_section): New function.
10835         (Sized_relobj::do_layout): Defer layout of input sections until after
10836         plugin has provided replacement files.
10837         (Sized_relobj::do_layout_deferred_sections): New function.
10838         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10839         (Relobj::layout_deferred_sections): New function.
10840         (Relobj::do_layout_deferred_sections): New function.
10841         (Sized_relobj::do_layout_deferred_sections): New function.
10842         (Sized_relobj::layout_section): New function.
10843         (Sized_relobj::Deferred_layout): New structure.
10844         (Sized_relobj::deferred_layout_): New field.
10845         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10846         Change all callers.  Layout deferred sections.
10847         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10848         references.
10849         (Plugin_hook::run): Move code from do_plugin_hook inline.
10850         (Plugin_hook::do_plugin_hook): Remove.
10851         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10852         (Plugin_manager::finish): Renamed, was cleanup.
10853         (Plugin_manager::should_defer_layout): New function.
10854         (Plugin_manager::add_deferred_layout_object): New function.
10855         (Plugin_manager::Deferred_layout_list): New type.
10856         (Plugin_manager::deferred_layout_objects_): New field.
10857         (Plugin_hook::do_plugin_hook): Remove.
10858
10859 2008-12-17  Ian Lance Taylor  <iant@google.com>
10860
10861         * options.h (class General_options): Add --no case for
10862         --export-dynamic.
10863
10864 2008-12-16  Cary Coutant  <ccoutant@google.com>
10865
10866         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10867         vector.
10868         (Plugin_manager::claim_file): Create plugin object even if
10869         plugin did not call the add_symbols callback.
10870         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10871         asking for more symbols than were added.
10872         * testsuite/Makefile.am (plugin_test_1): Add test case with
10873         no global symbols.
10874         (empty.syms): New target.
10875         * testsuite/Makefile.in: Regenerate.
10876         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10877         message. Don't call add_symbols if no globals.
10878         (all_symbols_read_hook): Don't provide replacement for empty
10879         claimed file.
10880
10881 2008-12-12  Ian Lance Taylor  <iant@google.com>
10882
10883         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10884         r_type == 0 for a local symbol with r_sym == 0.
10885         (scan_relocatable_relocs): Pass r_sym to
10886         local_non_section_strategy.
10887         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10888         r_sym parameter.
10889
10890         * configure.ac: Update test for TLS descriptors: they are
10891         supported as of glibc 2.9.
10892         * configure: Rebuild.
10893
10894 2008-12-11  Ian Lance Taylor  <iant@google.com>
10895
10896         PR 7091
10897         * target-reloc.h (Default_scan_relocatable_relocs): For each
10898         function, map r_type == 0 to RELOC_DISCARD.
10899
10900 2008-12-10  Cary Coutant  <ccoutant@google.com>
10901
10902         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10903         object to override a kept COMDAT group from a plugin object.
10904
10905 2008-12-09  Ian Lance Taylor  <iant@google.com>
10906
10907         PR 7088
10908         * yyscript.y (file_cmd): Handle INPUT.
10909
10910         * testsuite/initpri1.c: Change all declarations to be full
10911         prototypes by adding void, to avoid compiler warnings.
10912
10913 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10914
10915         * options.cc (General_options::parse_plugin_opt): New.
10916         (General_options::add_plugin): The argument now is just the filename.
10917         (General_options::add_plugin_option): New.
10918         * options.h (plugin_opt): New.
10919         (add_plugin): Change argument name.
10920         (add_plugin_option): New.
10921         * plugin.cc (Plugin::load): Don't parse the plugin option.
10922         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10923         (Plugin::add_option): New.
10924         (Plugin::args_): Change type.
10925         (Plugin::filename_): New.
10926         (Plugin_manager::add_plugin_option): New.
10927         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10928         * testsuite/Makefile.in: Regenerate.
10929
10930 2008-12-05  Cary Coutant  <ccoutant@google.com>
10931
10932         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10933         Handle --strip-lto-sections option.
10934         * options.h (strip_lto_sections): New option.
10935
10936 2008-12-01  Cary Coutant  <ccoutant@google.com>
10937
10938         * plugin.cc (ld_plugin_message): Change format parameter to const.
10939         Fix mismatch between new[] and delete.
10940
10941 2008-11-14  Cary Coutant  <ccoutant@google.com>
10942
10943         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10944         instead of -1U.
10945
10946 2008-11-05  Craig Silverstein  <csilvers@google.com>
10947
10948         * options.cc (General_options::parse_dynamic_list): New function.
10949         * options.h (General_options): New flags dynamic_list,
10950         dynamic_list_data, dynamic_list_cpp_new, and
10951         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10952         (General_options::in_dynamic_list): New function.
10953         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10954         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10955         (Lex::can_continue_name): Likewise.
10956         (yylex): Likewise.
10957         (read_script_file): New parameter script_options.
10958         (read_dynamic_list): New function.
10959         (Script_options::define_dynamic_list): New function.
10960         (dynamic_list_keyword_parsecodes): New variable.
10961         (dynamic_list_keywords): New variable.
10962         * script.h (Script_options::define_dynamic_list): New function
10963         prototype.
10964         (read_dynamic_list): New function prototype.
10965         * symtab.cc (strprefix): New macro.
10966         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10967         dynamic_list_data, dynamic_list_cpp_new, and
10968         dynamic_list_cpp_typeinfo.
10969         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10970         (dynamic_list_expr): New rule.
10971         (dynamic_list_nodes): Likewise.
10972         (dynamic_list_node): Likewise.
10973         * testsuite/Makefile.am (dynamic_list): New test.
10974         * testsuite/Makefile.in: Regenerated.
10975         * testsuite/dynamic_list.t: New file.
10976         * testsuite/dynamic_list.sh: New file.
10977
10978 2008-11-05  Craig Silverstein  <csilvers@google.com>
10979
10980         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10981         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10982         (t11_last): Likewise.
10983         * testsuite/ver_test_6.c (main): Likewise.
10984
10985 2008-10-07  Cary Coutant  <ccoutant@google.com>
10986
10987         * options.c (General_options::finalize): Add check for -static and
10988         -shared.
10989         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10990         is not empty.
10991
10992 2008-10-02  Cary Coutant  <ccoutant@google.com>
10993
10994         * plugin.cc (make_sized_plugin_object): Fix conditional
10995         compilation to work when not all targets are enabled.
10996
10997 2008-09-29  Cary Coutant  <ccoutant@google.com>
10998
10999         * archive.cc (Archive::get_file_and_offset): Use filename instead
11000         of name to get library path.
11001         (Archive::include_member): Unlock external member of a thin archive.
11002
11003         * testsuite/Makefile.am (TEST_AR): New variable.
11004         (thin_archive_test_1): New test.
11005         (thin_archive_test_2): New test.
11006         * testsuite/Makefile.in: Regenerate.
11007         * testsuite/thin_archive_main.cc: New file.
11008         * testsuite/thin_archive_test_1.cc: New file.
11009         * testsuite/thin_archive_test_2.cc: New file.
11010         * testsuite/thin_archive_test_3.cc: New file.
11011         * testsuite/thin_archive_test_4.cc: New file.
11012
11013 2008-09-29  Cary Coutant  <ccoutant@google.com>
11014
11015         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11016         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11017         instead of -1U.
11018         (Sized_relobj::do_finalize_local_symbols): Likewise.
11019         (Sized_relobj::map_to_kept_section): Likewise.
11020         * object.h (Sized_relobj::invalid_address): New constant.
11021         (Sized_relobj::do_output_section_offset): Check for invalid_address
11022         and return -1ULL.
11023         * output.cc (Output_reloc::local_section_offset): Use constant
11024         invalid_address instead of -1U.
11025         (Output_reloc::get_address): Likewise.
11026         (Output_section::output_address): Change -1U to -1ULL.
11027         * output.h (Output_reloc::invalid_address): New constant.
11028         * reloc.cc (Sized_relobj::write_sections): Use constant
11029         invalid_address instead of -1U.
11030         (Sized_relobj::relocate_sections): Likewise.
11031         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11032         values for merge sections.
11033         * target-reloc.h (relocate_for_relocatable): Use constant
11034         invalid_address instead of -1U.
11035
11036 2008-09-19  Cary Coutant  <ccoutant@google.com>
11037
11038         Add plugin functionality for link-time optimization (LTO).
11039         * configure.ac (plugins): Add --enable-plugins option.
11040         * configure: Regenerate.
11041         * config.in: Regenerate.
11042         * Makefile.am (LIBDL): New variable.
11043         (CCFILES): Add plugin.cc.
11044         (HFILES): Add plugin.h.
11045         (ldadd_var): Add LIBDL.
11046         * Makefile.in: Regenerate.
11047
11048         * archive.cc: Include "plugin.h".
11049         (Archive::setup): Don't preread archive symbols when using a plugin.
11050         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11051         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11052         files.
11053         (Archive::include_member): Add symbols from plugin objects.
11054         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11055         * descriptors.cc (Descriptors::open): Check for file descriptors
11056         abandoned by plugins.
11057         (Descriptors::claim_for_plugin): New function.
11058         * descriptors.h (Descriptors::claim_for_plugin): New function.
11059         (Open_descriptor::is_claimed): New field.
11060         (claim_descriptor_for_plugin): New function.
11061         * fileread.cc (File_read::claim_for_plugin): New function.
11062         * fileread.h (File_read::claim_for_plugin): New function.
11063         (File_read::descriptor): New function.
11064         * gold.cc: Include "plugin.h".
11065         (queue_initial_tasks): Add task to call plugin hooks for generating
11066         new object files.
11067         * main.cc: Include "plugin.h".
11068         (main): Load plugin libraries.
11069         * object.h (Pluginobj): Declare.
11070         (Object::pluginobj): New function.
11071         (Object::do_pluginobj): New function.
11072         (Object::set_target): New function.
11073         * options.cc: Include "plugin.h".
11074         (General_options::parse_plugin): New function.
11075         (General_options::General_options): Initialize plugins_ field.
11076         (General_options::add_plugin): New function.
11077         * options.h (Plugin_manager): Declare.
11078         (General_options): Add --plugin option.
11079         (General_options::has_plugins): New function.
11080         (General_options::plugins): New function.
11081         (General_options::add_plugin): New function.
11082         (General_options::plugins_): New field.
11083         * plugin.cc: New file.
11084         * plugin.h: New file.
11085         * readsyms.cc: Include "plugin.h".
11086         (Read_symbols::do_read_symbols): Check for archive before checking
11087         for ELF file.  Call plugin hooks to claim files.
11088         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11089         from a real object file; force override when processing replacement
11090         files.
11091         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11092         (Symbol::init_base_object): Likewise.
11093         (Symbol::init_base_output_data): Likewise.
11094         (Symbol::init_base_output_segment): Likewise.
11095         (Symbol::init_base_constant): Likewise.
11096         (Symbol::init_base_undefined): Likewise.
11097         (Symbol::output_section): Assert that object is not a plugin.
11098         (Symbol_table::add_from_pluginobj): New function.
11099         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11100         undefined.
11101         (Symbol_table::sized_write_globals): Likewise.
11102         (Symbol_table::add_from_pluginobj): Instantiate template.
11103         * symtab.h (Sized_pluginobj): Declare.
11104         (Symbol::in_real_elf): New function.
11105         (Symbol::set_in_real_elf): New function.
11106         (Symbol::in_real_elf_): New field.
11107         (Symbol_table::add_from_pluginobj): New function.
11108
11109         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11110         (LIBDL): New variable.
11111         (LDADD): Add LIBDL.
11112         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11113         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11114         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11115         (MOSTLYCLEANFILES): Likewise.
11116         * testsuite/Makefile.in: Regenerate.
11117         * testsuite/plugin_test.c: New file.
11118         * testsuite/plugin_test_1.sh: New file.
11119         * testsuite/plugin_test_2.sh: New file.
11120
11121 2008-09-16  Ian Lance Taylor  <iant@google.com>
11122
11123         * target-reloc.h (relocate_section): Check whether a symbol is
11124         defined by the ABI before reporting an undefined symbol error.
11125         * target.h (Target::is_defined_by_abi): Make parameter const.
11126         (Target::do_is_defined_by_abi): Likewise.
11127         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11128         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11129         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11130         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11131         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11132         * testsuite/Makefile.in: Rebuild.
11133
11134         * fileread.cc (make_view): Add casts to avoid warning.
11135
11136 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11137
11138         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11139         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11140
11141 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11142
11143         * options.h (General_options::output_is_executable): New.
11144         (General_options::output_is_pie): New.
11145         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11146         for shared libraries.
11147         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11148
11149 2008-09-11  Chris Demetriou  <cgd@google.com>
11150
11151         * options.h (origin): New -z option.
11152         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11153         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11154         in DT_FLAGS_1.
11155
11156 2008-09-05  Cary Coutant  <ccoutant@google.com>
11157
11158         * fileread.cc (File_read::make_view): Add check for attempt to map
11159         beyond end of file.
11160
11161 2008-09-05  Cary Coutant  <ccoutant@google.com>
11162
11163         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11164         explicit instantiations.
11165
11166 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11167
11168         PR gold/6858
11169         * options.cc (General_options::finalize): Allow undefined symbols
11170         in shlibs if linking -shared.
11171
11172         PR gold/6859
11173         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11174         symbols as not needing a dynsym entry.
11175
11176 2008-08-20  Craig Silverstein  <csilvers@google.com>
11177
11178         * fileread.cc (File_read::open): Do not lock the file unless it
11179         was successfully opened.
11180
11181 2008-08-14  Cary Coutant  <ccoutant@google.com>
11182
11183         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11184         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11185         * testsuite/tls_test.cc (struct int128): 128-bit struct
11186         for testing TLS relocs with non-zero addend.
11187         (v12): New TLS variable.
11188         (t12): New test.
11189         (t_last): Add check for v12.
11190         * testsuite/tls_test.h (t12): New function.
11191         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11192
11193 2008-08-13  Ian Lance Taylor  <iant@google.com>
11194
11195         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11196         set tls_segment_ or relro_segment_.
11197         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11198         when appropriate.
11199         * output.h (Output_section::clear_is_relro): New function.
11200         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11201         sections specially even when output_data_ is empty.
11202         (Output_segment::maximum_alignment): When first section is relro,
11203         only force alignment for PT_LOAD segments.
11204         * script.cc (script_data_segment_align): New function.
11205         (script_data_segment_relro_end): New function.
11206         * script-c.h (script_data_segment_align): Declare.
11207         (script_data_segment_relro_end): Declare.
11208         * script-sections.h (class Script_sections): Declare
11209         data_segment_align and data_segment_relro_end.  Add fields
11210         segment_align_index_ and saw_relro_end_.
11211         * script-sections.cc (class Sections_element): Add set_is_relro
11212         virtual function.  Add new bool* parameter to place_orphan_here.
11213         Add get_output_section virtual function.
11214         (class Output_section_definition): Add set_is_relro.  Add new
11215         bool* parameter to place_orphan_here.  Add get_output_section.
11216         Add is_relro_ field.
11217         (Output_section_definition::Output_section_definition): Initialize
11218         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11219         and is_relro_ fields.
11220         (Output_section_definition::place_orphan_here): Add is_relro
11221         parameter.
11222         (Output_section_definition::set_section_addresses): Set relro for
11223         output section.
11224         (Output_section_definition::alternate_constraint): Likewise.
11225         (class Orphan_output_section): Add new bool* parameter to
11226         place_orphan_here.  Add get_output_section.
11227         (Orphan_output_section::place_orphan_here): Add is_relro
11228         parameter.
11229         (Script_sections::Script_sections): Initialize
11230         data_segment_align_index_ and saw_relro_end_.
11231         (Script_sections::data_segment_align): New function.
11232         (Script_sections::data_segment_relro_end): New function.
11233         (Script_sections::place_orphan): Set or clear is_relro.
11234         (Script_sections::set_section_addresses): Force alignment of first
11235         TLS section.
11236         * yyscript.y (exp): Call script_data_segment_align and
11237         script_data_segment_relro_end.
11238         * testsuite/relro_script_test.t: New file.
11239         * testsuite/relro_test.cc (using_script): Declare.
11240         (t1, t2): Test using_script.
11241         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
11242         (relro_script_test_SOURCES): Define.
11243         (relro_script_test_DEPENDENCIES): Define.
11244         (relro_script_test_LDFLAGS): Define.
11245         (relro_script_test_LDADD): Define.
11246         (relro_script_test.so): New target.
11247         * testsuite/Makefile.in: Rebuild.
11248
11249 2008-08-06  Cary Coutant <ccoutant@google.com>
11250
11251         * archive.cc (Archive::total_archives, Archive::total_members)
11252         (Archive::total_members_loaded): New variables.
11253         (Archive::setup): Add parameter.  Add option to preread
11254         archive symbols.
11255         (Archive::read_armap): Add counter.
11256         (Archive::get_file_and_offset): New function.
11257         (Archive::get_elf_object_for_member): New function.
11258         (Archive::read_all_symbols): New function.
11259         (Archive::read_symbols): New function.
11260         (Archive::add_symbols): Add counters.
11261         (Archive::include_all_members): Use armap to find members if it's
11262         already built.
11263         (Archive::include_member): Skip reading symbols if already read.
11264         Factored code into Archive::get_file_and_offset and
11265         Archive::get_elf_object_for_member.  Changed call to
11266         Mapfile::report_include_archive_member.
11267         (Archive::print_stats): New function.
11268         * archive.h: Declare Object and Read_symbols_data classes.
11269         (Archive::Archive): Add initializers for new members.
11270         (Archive::setup): Add parameter.
11271         (Archive::print_stats): New function.
11272         (Archive::total_archives, Archive::total_members)
11273         (Archive::total_members_loaded): New variables.
11274         (Archive::get_file_and_offset): New function.
11275         (Archive::get_elf_object_for_member): New function.
11276         (Archive::read_all_symbols): New function.
11277         (Archive::read_symbols): New function.
11278         (Archive::Archive_member): New class.
11279         (Archive::members_): New member.
11280         (Archive::num_members_): New member.
11281         * main.cc: Include archive.h.
11282         (main): Call Archive::print_stats.
11283         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11284         archive parameter; member_name is now the fully-decorated name.
11285         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11286         * options.h: (General_options): Add --preread-archive-symbols option.
11287         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11288         Archive::setup.
11289
11290 2008-08-04  Ian Lance Taylor  <iant@google.com>
11291
11292         * symtab.h (Symbol::use_plt_offset): New function.
11293         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
11294         * powerpc.cc (Relocate::relocate): Likewise.
11295         * sparc.cc (Relocate::relocate): Likewise.
11296         * x86_64.cc (Relocate::relocate): Likewise.
11297         * testsuite/weak_plt.sh: New test.
11298         * testsuite/weak_plt_main.cc: New test.
11299         * testsuite/weak_plt_shared.cc: New test.
11300         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
11301         (check_PROGRAMS): Add weak_plt.
11302         (check_DATA): Add weak_plt_shared.so.
11303         (weak_plt_main_pic.o, weak_plt): New targets.
11304         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
11305         * testsuite/Makefile.in: Rebuild.
11306
11307         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
11308         gcctestdir/ld.
11309         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
11310         * testsuite/Makefile.in: Rebuild.
11311
11312 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
11313
11314         * Makefile.am (POTFILES.in): Set LC_ALL=C.
11315         * Makefile.in: Regenerate.
11316         * po/POTFILES.in: Regenerate.
11317
11318 2008-07-29  Ian Lance Taylor  <iant@google.com>
11319
11320         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11321         symbols before other symbols.
11322         * testsuite/script_test_2.cc (test_addr): Declare.
11323         (test_addr_alias): Declare.
11324         (main): Check that test_addr and test_addr_alias have the right
11325         values.
11326         * testsuite/script_test_2.t: Define test_addr_alias and
11327         test_addr.
11328
11329 2008-07-24  Ian Lance Taylor  <iant@google.com>
11330
11331         PR 5990
11332         * descriptors.cc: New file.
11333         * descriptors.h: New file.
11334         * gold-threads.h (class Hold_optional_lock): New class.
11335         * fileread.cc: Include "descriptors.h".
11336         (File_read::~File_read): Release descriptor rather than closing
11337         it.
11338         (File_read::open) [file]: Call open_descriptor rather than open.
11339         Set is_descriptor_opened_.
11340         (File_read::open) [memory]: Assert that descriptor is not open.
11341         (File_read::reopen_descriptor): New function.
11342         (File_read::release): Release descriptor.
11343         (File_read::do_read): Make non-const.  Reopen descriptor.
11344         (File_read::read): Make non-const.
11345         (File_read::make_view): Reopen descriptor.
11346         (File_read::do_readv): Likewise.
11347         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11348         Update declarations.
11349         * layout.cc: Include "descriptors.h".
11350         (Layout::create_build_id): Use open_descriptor rather than open.
11351         * output.cc: Include "descriptors.h".
11352         (Output_file::open): Use open_descriptor rather than open.
11353         * archive.cc (Archive::const_iterator): Change Archive to be
11354         non-const.
11355         (Archive::begin, Archive::end): Make non-const.
11356         (Archive::count_members): Likewise.
11357         * archive.h (class Archive): Update declarations.
11358         * object.h (Object::read): Make non-const.
11359         * Makefile.am (CCFILES): Add descriptors.cc.
11360         (HFILES): Add descriptors.h.
11361         * Makefile.in: Rebuild.
11362
11363         PR 6716
11364         * gold.h: Always include <clocale>.  Add Solaris workarounds
11365         following code in binutils/sysdep.h.
11366
11367         PR 6048
11368         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11369         this->eh_frame_hdr_ is NULL before using it.
11370
11371         * dynobj.cc (Versions::Versions): Update comment.
11372
11373         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11374         the base version name.
11375
11376         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11377         array size plus one.
11378         (Stringpool_template::set_string_offsets): Subtract one from key
11379         before using it as an array index.
11380         (Stringpool_template::get_offset_with_length): Likewise.
11381         (Stringpool_template::write_to_buffer): Likewise.
11382         * stringpool.h (Stringpool_template::get_offset_from_key):
11383         Likewise.
11384
11385 2008-07-23  Ian Lance Taylor  <iant@google.com>
11386
11387         PR 6658
11388         * object.h (Merged_symbol_value::value): Do our best to handle a
11389         negative addend.
11390
11391         PR 6647
11392         * script.cc (Version_script_info::get_versions): Don't add empty
11393         version tag to return value.
11394         (Version_script_info::get_symbol_version_helper): Change return
11395         type to bool.  Add pversion parameter.  Change all callers.
11396         (script_register_vers_node): Don't require a non-NULL tag.
11397         * script.h (class Version_script_info): Update declarations.
11398         (Version_script_info::get_symbol_version): Change return type to
11399         bool.  Add version parameter.  Change all callers.
11400         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11401         handling.  Handle an empty version from a version script.
11402         (Symbol_table::define_special_symbol): Likewise.
11403         * testsuite/ver_test_10.script: New file.
11404         * testsuite/ver_test_10.sh: New file.
11405         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11406         (check_DATA): Add ver_test_10.syms.
11407         (ver_test_10.syms, ver_test_10.so): New target.
11408         * testsuite/Makefile.in: Rebuild.
11409
11410 2008-07-23  Simon Baldwin  <simonb@google.com>
11411
11412         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11413         to zero for undefined symbols from dynamic libraries.
11414
11415 2008-07-23  Ian Lance Taylor  <iant@google.com>
11416
11417         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11418         Change all callers.
11419         * symtab.h (class Symbol_table): Update declaration.
11420         * testsuite/ver_test_9.cc: New file.
11421         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11422         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11423         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11424         (ver_test_9.so, ver_test_9.o): New targets.
11425         * testsuite/Makefile.in: Rebuild.
11426
11427 2008-07-22  Ian Lance Taylor  <iant@google.com>
11428
11429         * options.h (class General_options): Define --check-sections.
11430         * layout.cc (Layout::set_segment_offsets): Handle
11431         --check-sections.
11432
11433         * options.h (class General_options): Define -n/--nmagic and
11434         -N/--omagic.
11435         * options.cc (General_options::finalize): For -n/--nmagic or
11436         -N/--omagic, set -static.
11437         * layout.cc (Layout::attach_allocated_section_to_segment): If
11438         -N/--omagic, don't put read-only and read-write sections in
11439         different segments.
11440         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11441         finding a read-only segment.
11442         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11443         don't set the minimum segment alignment to the common page size,
11444         and don't set the file offset to the address modulo the page size.
11445         * script-sections.cc (Script_sections::create_segments): If
11446         -n/--omagic, don't put read-only and read-write sections in
11447         different segments.
11448
11449         * cref.cc: New file.
11450         * cref.h: New file.
11451         * options.h (class General_options): Add --print-symbol-counts.
11452         * main.cc (main): Issue defined symbol report if requested.
11453         * archive.cc (Archive::interpret_header): Make into a const member
11454         function.
11455         (Archive::add_symbols): Call Input_objects::archive_start and
11456         archive_stop.
11457         (Archive::const_iterator): Define new class.
11458         (Archive::begin, Archive::end): New functions.
11459         (Archive::include_all_members): Rewrite to use iterator.
11460         (Archive::count_members): New function.
11461         * archive.h (class Archive): Update declarations.
11462         (Archive::filename): New function.
11463         * object.cc: Include "cref.h".
11464         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11465         (Sized_relobj::do_get_global_symbol_counts): New function.
11466         (Input_objects::add_object): Add object to cross-referencer.
11467         (Input_objects::archive_start): New function.
11468         (Input_objects::archive_stop): New function.
11469         (Input_objects::print_symbol_counts): New function.
11470         * object.h: Declare Cref and Archive.
11471         (Object::get_global_symbol_counts): New function.
11472         (Object::do_get_global_symbol_counts): New pure virtual function.
11473         (class Sized_relobj): Add defined_count_ field.  Update
11474         declarations.
11475         (class Input_objects): Add cref_ field.  Update constructor.
11476         Update declarations.
11477         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11478         defined_count_.
11479         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11480         symbol counts.
11481         (Sized_dynobj::do_get_global_symbol_counts): New function.
11482         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11483         defined_count_.  Update declarations.  Define Symbols typedef.
11484         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11485         parameter.  Change all callers.
11486         (Symbol_table::add_from_dynobj): Add sympointers and defined
11487         parameters.  Change all callers.
11488         * symtab.h (class Symbol_table): Update declarations.
11489         * Makefile.am (CCFILES): Add cref.cc.
11490         (HFILES): Add cref.h.
11491         * Makefile.in: Rebuild.
11492
11493 2008-07-22  Simon Baldwin  <simonb@google.com>
11494
11495         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11496         to zero when writing undefined symbols.
11497
11498 2008-07-22  Ian Lance Taylor  <iant@google.com>
11499
11500         * output.cc (Output_section::add_input_section): Don't try to
11501         merge empty merge sections.
11502
11503 2008-07-21  Craig Silverstein  <csilvers@google.com>
11504
11505         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11506         Include symbol version in error message.
11507
11508 2008-07-20  Chris Demetriou  <cgd@google.com>
11509
11510         * configure.ac (gold_cv_c_random_seed): New configured variable.
11511         (RANDOM_SEED_CFLAGS): New substituted variable.
11512         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11513         * configure: Rebuild.
11514         * Makefile.in: Likewise.
11515         * testsuite/Makefile.in: Likewise.
11516
11517 2008-07-18  Ian Lance Taylor  <iant@google.com>
11518
11519         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11520         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11521         * testsuite/ver_test_main.cc (main): Call t4.
11522         (t4, t4_2a): Define.
11523         * testsuite/ver_test_2.cc (t4_2): Define.
11524         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11525         * testsuite/ver_test_4.cc (t4_2a): Define.
11526         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11527         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11528
11529 2008-07-17  Ian Lance Taylor  <iant@google.com>
11530
11531         * dynobj.cc (Versions::add_def): If we give an error about a
11532         missing version, go ahead and create the version anyhow.
11533
11534 2008-07-10  Ian Lance Taylor  <iant@google.com>
11535
11536         Handle output sections with more than 0x7fffffff bytes.
11537         * object.h (class Relobj): Change map_to_output_ to
11538         output_sections_, and just keep a section pointer.  Change all
11539         uses.  Move comdat group support to Sized_relobj.
11540         (Relobj::is_section_specially_mapped): Remove.
11541         (Relobj::output_section): Remove poff parameter.  Change all
11542         callers.
11543         (Relobj::output_section_offset): New function.
11544         (Relobj::set_section_offset): Rewrite.
11545         (Relobj::map_to_output): Remove.
11546         (Relobj::output_sections): New function.
11547         (Relobj::do_output_section_offset): New pure virtual function.
11548         (Relobj::do_set_section_offset): Likewise.
11549         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11550         group support from Relobj.  Update declarations.
11551         (Sized_relobj::get_output_section_offset): New function.
11552         (Sized_relobj::do_output_section_offset): New function.
11553         (Sized_relobj::do_set_section_offset): New function.
11554         * object.cc (Relobj::output_section_address): Remove.
11555         (Sized_relobj::Sized_relobj): Initialize new fields.
11556         (Sized_relobj::include_section_group): Cast find_kept_object to
11557         Sized_relobj.
11558         (Sized_relobj::include_linkonce_section): Likewise.
11559         (Sized_relobj::do_layout): Use separate arrays for output section
11560         and output offset.
11561         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11562         output_sections.
11563         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11564         output_sections and section_offsets.
11565         (Sized_relobj::write_local_symbols): Likewise.
11566         (map_to_kept_section): Compute output address directly.
11567         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11568         output_sections and section_offsets.
11569         (Sized_relobj::write_sections): Likewise.
11570         (Sized_relobj::relocate_sections): Likewise.
11571         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11572         * output.h (class Output_reloc): Update declarations.  Change
11573         u2_.relobj to Sized_relobj*.
11574         (class Output_data_reloc): Change add functions to use
11575         Sized_relobj*.
11576         * output.cc (Output_reloc::Output_reloc): Change relobj to
11577         Sized_relobj*.
11578         (Output_reloc::local_section_offset): Change return type to
11579         Elf_Addr.  Use get_output_section_offset.
11580         (Output_reloc::get_address): Likewise.
11581         (Output_section::is_input_address_mapped): Don't call
11582         is_section_specially_mapped.
11583         (Output_section::output_offset): Likewise.
11584         (Output_section::output_address): Likewise.
11585         (Output_section::starting_output_address): Likewise.
11586         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11587         parameter to Sized_relobj*.
11588         (Copy_relocs::need_copy_reloc): Likewise.
11589         (Copy_relocs::save): Likewise.
11590         * copy-relocs.h (class Copy_relocs): Update declarations.
11591         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11592         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11593         * target-reloc.h (relocate_for_relocatable): Change
11594         offset_in_output_section type to Elf_Addr.  Change code that uses
11595         it as well.
11596         * layout.cc (Layout::layout): Always set *off.
11597         * mapfile.cc (Mapfile::print_input_section): Use
11598         output_section_offset.
11599         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11600         Sized_relobj*.
11601         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11602         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11603         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11604
11605 2008-07-03  Ian Lance Taylor  <iant@google.com>
11606
11607         * layout.cc (Layout::include_section): Do not discard unrecognized
11608         SHT_STRTAB sections.
11609
11610 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11611
11612         * script.cc (Lex::can_continue_name): Make '?' allowable in
11613         version-script names.
11614         * testsuite/version_script.map: Change glob pattern to use '?'
11615
11616 2008-06-30  Manish Singh  <yosh@gimp.org>
11617
11618         PR 6585
11619         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11620         Correct typo.
11621
11622 2008-06-30  Ian Lance Taylor  <iant@google.com>
11623
11624         PR 6660
11625         PR 6682
11626         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11627         versions]: Don't try to read the value in the contents, since we
11628         don't use it.  Use the template endianness when writing.
11629
11630 2008-06-25  Cary Coutant  <ccoutant@google.com>
11631
11632         * fileread.cc (File_read::make_view): Assert on zero-length view.
11633         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11634         symbol table when there are no symbols to read.
11635
11636 2008-06-23  Craig Silverstein  <csilvers@google.com>
11637
11638         * version.cc (version_string): Bump to 1.7
11639
11640 2008-06-18  Craig Silverstein  <csilvers@google.com>
11641
11642         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11643         constant 0xFFFF to type Valtype.
11644         (Powerpc_relocate_functions::rel16_ha): Likewise.
11645
11646 2008-06-17  Ian Lance Taylor  <iant@google.com>
11647
11648         * output.h (Output_section::Input_section): Initialize p2align_ to
11649         zero for Output_section_data constructors.
11650         (Output_section::Input_section::addralign): If not an input
11651         section, return the alignment of the Output_section_data.
11652         * testsuite/copy_test.cc: New file.
11653         * testsuite/copy_test_1.cc: New file.
11654         * testsuite/copy_test_2.cc: New file.
11655         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11656         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11657         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11658         (copy_test_1_pic.o, copy_test_1.so): New targets.
11659         (copy_test_2_pic.o, copy_test_2.so): New targets.
11660         * testsuite/Makefile.in: Rebuild.
11661
11662         * script-sections.cc (Script_sections::place_orphan): Initialize
11663         local variable exact.
11664
11665 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11666
11667         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11668
11669 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11670             David S. Miller  <davem@davemloft.net>
11671
11672         * powerpc.cc: New file.
11673         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11674         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11675         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11676         * Makefile.in: Rebuild.
11677
11678 2008-06-09  Ian Lance Taylor  <iant@google.com>
11679
11680         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11681         <exception>.
11682         (throwing, orig_terminate): New static variables.
11683         (terminate_handler): New static function.
11684         (t2): Set terminate handler.
11685
11686 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11687
11688         PR 6584
11689         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11690         alignment.
11691
11692 2008-05-30  Cary Coutant  <ccoutant@google.com>
11693
11694         * archive.cc (Archive::include_all_members) Correct to step
11695         over symbol table and extended name table in thin archives.
11696
11697 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11698
11699         PR 6407
11700         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11701         calculation.
11702
11703 2008-05-28  Caleb Howe  <cshowe@google.com>
11704
11705         * reduced_debug_output.cc: New file.
11706         * reduced_debug_output.h: New file.
11707         * options.h (class General_options): Add --strip-debug-non-line.
11708         * options.cc (General_options::finalize): Add strip_debug_non_line
11709         to the strip heirarchy.
11710         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11711         fields.
11712         * layout.cc: Include "reduced_debug_output.h".
11713         (Layout::Layout): Initialize new fields.
11714         (line_only_debug_sections): New static array.
11715         (is_lines_only_debug_sections): New static inline function.
11716         (Layout::include_section): Handle --strip-debug-non-line.
11717         (Layout::make_output_section): If --strip-debug-non-line, build
11718         new output sections for .debug_abbrev and .debug_info.
11719         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11720         gold.  Warn about possible overflow.
11721         (read_signed_LEB_128): Likewise.
11722         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11723         (read_signed_LEB_128): Declare.
11724         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11725         (HFILES): Add reduced_debug_output.h.
11726         * Makefile.in: Rebuild.
11727
11728 2008-05-21  Ian Lance Taylor  <iant@google.com>
11729
11730         * mapfile.cc: New file.
11731         * mapfile.h: New file.
11732         * options.h (class General_options): Add -M/--print-map and -Map.
11733         * options.cc (General_options::finalize): Make -M equivalent to
11734         -Map -.
11735         * main.cc: Include <cstdio> and "mapfile.h".
11736         (main): Open mapfile if requested.
11737         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11738         constructor.  Change caller.
11739         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11740         (queue_middle_tasks): Likewise.
11741         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11742         declarations.
11743         * archive.cc: Include "mapfile.h".
11744         (Archive::add_symbols): Add mapfile parameter.  Change all
11745         callers.  Pass mapfile, symbol, and reason to include_member.
11746         (Archive::include_all_members): Add mapfile parameter.  Change all
11747         callers.
11748         (Archive::include_member): Add mapfile, sym, and why parameters.
11749         Change all callers.  Report inclusion to map file.
11750         * archive.h: Include "fileread.h".
11751         (class Archive): Update declarations.
11752         (Archive::file): New const method.
11753         (class Add_archive_symbols): Add mapfile_ field.  Update
11754         constructor.  Change all callers.
11755         * readsyms.h (class Read_symbols): Likewise.
11756         (class Finish_group): Likewise.
11757         (class Read_script): Likewise.
11758         * common.cc: Include "mapfile.h".
11759         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11760         all callers.
11761         (Symbol_table::do_allocate_commons): Likewise.
11762         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11763         symbol allocation to mapfile.
11764         * common.h (class Allocate_commons_task): Add mapfile_ field.
11765         Update constructor.  Change all callers.
11766         * symtab.h (class Symbol_table): Update declarations.
11767         * layout.cc: Include "mapfile.h".
11768         (Layout_task_runner::run): Print information to mapfile.
11769         (Layout::create_gold_note): Change Output_data_fixed_space to
11770         Output_data_zero_fill.
11771         (Layout::create_build_id): Likewise.
11772         (Layout::print_to_mapfile): New function.
11773         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11774         constructor.  Change caller.
11775         (class Layout): Declare print_to_mapfile.
11776         * output.cc (Output_section::Input_section::print_to_mapfile): New
11777         function.
11778         (Output_section::add_input_section): If producing a map, always
11779         add to input_sections_ list.
11780         (Output_section::do_print_to_mapfile): New function.
11781         (Output_segment::print_sections_to_mapfile): New function.
11782         (Output_segment::print_section_list_to_mapfile): New function.
11783         * output.h: Include "mapfile.h".
11784         (Output_data::print_to_mapfile): New function.
11785         (Output_data::do_print_to_mapfile): New virtual function.
11786         (Output_segment_headers::do_print_to_mapfile): New function.
11787         (Output_file_header::do_print_to_mapfile): New function.
11788         (Output_data_const::do_print_to_mapfile): New function.
11789         (class Output_data_const_buffer): Add map_name_ field.  Update
11790         constructor.  Change all callers.  Add do_print_to_mapfile
11791         function.
11792         (class Output_data_fixed_space): Likewise.
11793         (class Output_data_space): Likewise.
11794         (class Output_data_zero_fill): New class.
11795         (Output_data_strtab::do_print_to_mapfile): New function.
11796         (Output_data_reloc_base::do_print_to_mapfile): New function.
11797         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11798         (Output_data_group::do_print_to_mapfile): New function.
11799         (Output_data_got::do_print_to_mapfile): New function.
11800         (Output_data_dynamic::do_print_to_mapfile): New function.
11801         (Output_symtab_xindex::do_print_to_mapfile): New function.
11802         (class Output_section): Declare do_print_to_mapflie.  Declare
11803         print_to_mapfile in Input_section.
11804         (class Output_segment): Declare new functions.
11805         * object.h (Sized_relobj::symbol_count): New function.
11806         * script-sections.cc
11807         (Output_section_element_dot_assignment::set_section_addresses):
11808         Change Output_data_fixed_space to Output_data_zero_fill.
11809         (Output_data_expression::do_print_to_mapfile): New function.
11810         * script.cc (read_input_script): Add mapfile parameter.  Change
11811         all callers.
11812         * script.h (read_input_script): Update declaration.
11813         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11814         (Eh_frame::do_print_to_mapfile): New function.
11815         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11816         (Output_merge_string::do_print_to_mapfile): New function.
11817         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11818         function.
11819         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11820         function.
11821         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11822         function.
11823         * Makefile.am (CCFILES): Add mapfile.cc.
11824         (HFILES): Add mapfile.h.
11825         * Makefile.in: Rebuild.
11826
11827 2008-05-19  Ian Lance Taylor  <iant@google.com>
11828
11829         * options.h (class General_options): Add -z relro.
11830         * layout.cc (Layout::Layout): Initialize relro_segment_.
11831         (Layout::add_output_section_data): Return the output section.
11832         (Layout::make_output_section): Rcognize relro sections and mark
11833         them appropriately.
11834         (Layout::attach_allocated_section_to_segment): Put relro sections
11835         in a PT_GNU_RELRO segment.
11836         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11837         section as relro.
11838         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11839         PT_TLS segments.
11840         (Layout::linkonce_mapping): Map d.rel.ro.local to
11841         .data.rel.ro.local.
11842         (Layout::output_section_name): Us .data.rel.ro.local for any
11843         section which begins with that.
11844         * layout.h (class Layout): Update add_output_section_data
11845         declaration.  Add relro_segment_ field.
11846         * output.cc (Output_section::Output_section): Initialize is_relro_
11847         and is_relro_local_ fields.
11848         (Output_segment::add_output_section): Group relro sections.
11849         (Output_segment::is_first_section_relro): New function.
11850         (Output_segment::maximum_alignment): If there is a relro section,
11851         align the segment to the common page size.
11852         (Output_segment::set_section_addresses): Track whether we are
11853         looking at relro sections.  If the last section is a relro
11854         section, align to the common page size.
11855         (Output_segment::set_section_list_addresses): Add in_relro
11856         parameter.  Change all callers.  Align to the page size when
11857         moving from relro to non-relro section.
11858         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11859         segment.
11860         * output.h (class Output_section): Add is_relro_ and
11861         is_relro_local_ fields.
11862         (Output_section::is_relro): New function.
11863         (Output_section::set_is_relro): New function.
11864         (Output_section::is_relro_local): New function.
11865         (Output_section::set_is_relro_local): New function.
11866         (class Output_segment): Update declarations.
11867         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11868         * sparc.cc (Target_sparc::got_section): Likewise.
11869         * x86_64.cc (Target_x86_64::got_section): Likewise.
11870         * testsuite/relro_test_main.cc: New file.
11871         * testsuite/relro_test.cc: New file.
11872         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11873         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11874         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11875         (relro_test.so, relro_test_pic.o): New targets.
11876         * testsuite/Makefile.in: Rebuild.
11877
11878 2008-05-16  Ian Lance Taylor  <iant@google.com>
11879
11880         * output.cc (Output_segment::add_output_section): Remove front
11881         parameter.
11882         * output.h (class Output_segment): Remove
11883         add_initial_output_section and overloaded add_output_section.
11884         Update declaration of remaining add_output_section.
11885         * layout.cc (Layout::create_interp): Call add_output_section
11886         rather than add_initial_output_section.
11887         (Layout::finish_dynamic_section): Likewise.
11888
11889         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11890         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11891         know the dynamic type.
11892         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11893         field.  Initialize it in constructor.
11894         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11895         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11896         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11897         reloc.
11898
11899         * output.cc (Output_reloc::get_address): Change return type to
11900         Elf_Addr.
11901         * output.h (class Output_reloc): Update get_address declaration.
11902         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11903         for section addresses.
11904
11905 2008-05-09  Ian Lance Taylor  <iant@google.com>
11906
11907         PR 6493
11908         * gold.cc (gold_nomem): Use return value of write.
11909
11910 2008-05-08  Ian Lance Taylor  <iant@google.com>
11911
11912         * symtab.c (Symbol::init_base_output_data): Add version
11913         parameter.  Change all callers.
11914         (Symbol::init_base_output_segment): Likewise.
11915         (Symbol::init_base_constant): Likewise.
11916         (Symbol::init_base_undefined): Likewise.
11917         (Sized_symbol::init_output_data): Likewise.
11918         (Sized_symbol::init_output_segment): Likewise.
11919         (Sized_symbol::init_constant): Likewise.
11920         (Sized_symbol::init_undefined): Likewise.
11921         (Symbol_table::do_define_in_output_data): If the new symbol has a
11922         version, mark it as the default.
11923         (Symbol_table::do_define_in_output_segment): Likewise.
11924         (Symbol_table::do_define_as_constant): Likewise.
11925         * symtab.h (class Symbol): Update declarations.
11926         (class Sized_symbol): Likewise.
11927         * resolve.cc (Symbol::override_version): New function.
11928         (Symbol::override_base): Call override_version.
11929         (Symbol::override_base_with_special): Likewise.
11930         * testsuite/ver_script_8.script: New file.
11931         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11932         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11933         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11934         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11935
11936 2008-05-06  Ian Lance Taylor  <iant@google.com>
11937
11938         PR 6049
11939         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11940         functions.
11941         (class General_options): Remove existing --undefined, and add
11942         --no-undefined instead.  Add new --undefined as synonym for -u.
11943         * archive.cc (Archive::add_symbols): Check whether symbol was
11944         named with -u.
11945         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11946         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11947         all uses.  Add IS_UNDEFINED.  Update declarations to split
11948         different versions of init_base.  Declare init_base_undefined.
11949         (Symbol::is_defined): Handle IS_UNDEFINED.
11950         (Symbol::is_undefined): Likewise.
11951         (Symbol::is_weak_undefined): Call is_undefined.
11952         (Symbol::is_absolute): Handle IS_CONSTANT.
11953         (class Sized_symbol): Update declarations to split different
11954         versions of init.  Declare init_undefined.
11955         (class Symbol_table): Declare new functions.
11956         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11957         Change all callers.
11958         (Symbol::init_base_output_data): Likewise.
11959         (Symbol::init_base_output_segment): Likewise.
11960         (Symbol::init_base_constant): Likewise.
11961         (Symbol::init_base_undefined): New function.
11962         (Sized_symbol::init_object): Rename from init.  Change all
11963         callers.
11964         (Sized_symbol::init_output_data): Likewise.
11965         (Sized_symbol::init_output_segment): Likewise.
11966         (Sized_symbol::init_constant): Likewise.
11967         (Sized_symbol::init_undefined): New function.
11968         (Symbol_table::add_undefined_symbols_from_command_line): New
11969         function.
11970         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11971         function.
11972         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11973         (Symbol::output_section): Likewise.
11974         (Symbol::set_output_section): Likewise.
11975         (Symbol_table::sized_finalize_symbol): Likewise.
11976         (Symbol_table::sized_write_globals): Likewise.
11977         * resolve.cc (Symbol_table::should_override): Likewise.
11978         (Symbol::override_base_with_special): Likewise.
11979
11980         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11981         symbol, change it to have default visibility.
11982         * testsuite/protected_1.cc: New file.
11983         * testsuite/protected_2.cc: New file.
11984         * testsuite/protected_3.cc: New file.
11985         * testsuite/protected_main_1.cc: New file.
11986         * testsuite/protected_main_2.cc: New file.
11987         * testsuite/protected_main_3.cc: New file.
11988         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11989         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11990         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11991         (protected_1.so): New target.
11992         (protected_1_pic.o, protected_2_pic.o): New targets.
11993         (protected_3_pic.o): New target.
11994         (check_PROGRAMS): Add protected_2.
11995         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11996         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11997         * testsuite/Makefile.in: Rebuild.
11998
11999         * options.h (DEFINE_var): Add set_user_set_##varname__.
12000         (DEFINE_bool_alias): New macro.
12001         (class General_options): Define -Bstatic using DEFINE_bool_alias
12002         rather than DEFINE_special.  Add --undefined as an alias for -z
12003         defs.
12004         * options.cc (General_options::parse_Bstatic): Remove.
12005
12006         * options.h (class General_options): Add --fatal-warnings.
12007         * main.cc (main): Implement --fatal-warnings.
12008         * errors.h (Errors::warning_count): New function.
12009
12010         * options.h (class General_options): Add -Bsymbolic-functions.
12011         * symtab.h (Symbol::is_preemptible): Check for
12012         -Bsymbolic-functions.
12013
12014 2008-05-05  Ian Lance Taylor  <iant@google.com>
12015
12016         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12017         as noVARNAME rather than no-VARNAME.
12018         (class General_options): Add option -z combreloc.
12019         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12020         get_address.
12021         (Output_reloc::sort_before) [SHT_REL]: New function.
12022         (Output_reloc::sort_before) [SHT_RELA]: New function.
12023         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12024         Sort_relocs_comparison.
12025         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12026         parameter.  Change all callers.
12027         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12028         sort_relocs parameter.  Change all callers.
12029         * output.cc (Output_reloc::get_address): New function, broken out
12030         of write_rel.
12031         (Output_reloc::write_rel): Call it.
12032         (Output_reloc::compare): New function.
12033         (Output_data_reloc_base::do_write): Optionally sort relocs.
12034
12035         * configure.ac: If targ_extra_obj is set, link it in.
12036         * configure.tgt: Initialize all variables.
12037         (x86_64*): Set targ_extra_obj and targ_extra_size.
12038         * configure: Rebuild.
12039
12040         * object.cc (Sized_relobj::include_section_group): Adjust section
12041         indexes read from group data.  Build vector to pass to
12042         layout_group.
12043         * layout.cc (Layout::layout_group): Add flags and shndxes
12044         parameters.  Remove contents parameter.  Change caller.  Update
12045         explicit instantiations.
12046         * layout.h (class Layout): Update layout_group declaration.
12047         * output.cc (Output_data_group::Output_data_group): Add flags and
12048         input_shndxes parameters.  Remove contents parameter.  Change
12049         caller.
12050         (Output_data_group::do_write): Change input_sections_ to
12051         input_shndxes_.
12052         * output.h (class Output_data_group): Update constructor
12053         declaration.  Rename input_sections_ to input_shndxes_.
12054         * testsuite/many_sections_test.cc: Add template.
12055
12056 2008-04-30  Cary Coutant  <ccoutant@google.com>
12057
12058         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12059
12060         * layout.cc (Layout::include_section): Refactored check for debug
12061         info section.
12062         (Layout::add_comdat): Add new parameters.  Change type
12063         of signature parameter.  Add object and shndx to signatures table.
12064         (Layout::find_kept_object): New function.
12065         * layout.h: Include <cstring>.
12066         (Layout::is_debug_info_section): New function.
12067         (Layout::add_comdat): Add new parameters.
12068         (Layout::find_kept_object): New function.
12069         (Layout::Kept_section): New struct.
12070         (Layout::Signatures): Change type of map range.
12071         * object.cc (Relobj::output_section_address): New function.
12072         (Sized_relobj::include_section_group): Add new parameters.  Change
12073         calls to Layout::add_comdat.  Change to build table of kept comdat
12074         groups and table mapping discarded sections to kept sections.
12075         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12076         (Sized_relobj::do_layout): Change calls to include_section_group and
12077         include_linkonce_section.
12078         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12079         value to zero when section is discarded.
12080         (Sized_relobj::map_to_kept_section): New function.
12081         * object.h (Relobj::output_section_address): New function.
12082         (Relobj::Comdat_group): New type.
12083         (Relobj::find_comdat_group): New function.
12084         (Relobj::Comdat_group_table): New type.
12085         (Relobj::Kept_comdat_section): New type.
12086         (Relobj::Kept_comdat_section_table): New type.
12087         (Relobj::add_comdat_group): New function.
12088         (Relobj::set_kept_comdat_section): New function.
12089         (Relobj::get_kept_comdat_section): New function.
12090         (Relobj::comdat_groups_): New field.
12091         (Relobj::kept_comdat_sections_): New field.
12092         (Symbol_value::input_value): Update comment.
12093         (Sized_relobj::map_to_kept_section) New function.
12094         (Sized_relobj::include_linkonce_section): Add new parameter.
12095         * target-reloc.h (Comdat_behavior): New type.
12096         (get_comdat_behavior): New function.
12097         (relocate_section): Add code to map a discarded section to the
12098         corresponding kept section when applying a relocation.
12099
12100 2008-04-30  Craig Silverstein  <csilvers@google.com>
12101
12102         * dwarf_reader.cc (next_generation_count): New static var.
12103         (Addr2line_cache_entry): New struct.
12104         (addr2line_cache): New static var.
12105         (Dwarf_line_info::one_addr2line): Added caching.
12106         (Dwarf_line_info::clear_addr2line_cache): New function.
12107         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12108         cache-size parameter.
12109         (Dwarf_line_info::one_addr2line_cache): New function.
12110         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12111         new cache-size argument to one_addr2line(), and clear cache.
12112
12113 2008-04-28  Cary Coutant  <ccoutant@google.com>
12114
12115         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12116         R_386_PC8 relocations.
12117
12118 2008-04-23  Ian Lance Taylor  <iant@google.com>
12119
12120         * object.cc (Sized_relobj::include_section_group): Check for
12121         invalid section group.
12122
12123         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12124         header size.
12125
12126         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12127         than read for file header.
12128         * archive.cc (Archive::include_member): Likewise.
12129
12130 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12131
12132         * aclocal.m4: Regenerate.
12133         * configure: Regenerate.
12134
12135 2008-04-19  Ian Lance Taylor  <iant@google.com>
12136
12137         * version.cc (version_string): Bump to 1.6.
12138
12139         * testsuite/Makefile.am (many_sections_r_test): New target.
12140         (many_sections_r_test_SOURCES): Remove.
12141         (many_sections_r_test_DEPENDENCIES): Remove.
12142         (many_sections_r_test_LDFLAGS): Remove.
12143         (many_sections_r_test_LDADD): Remove.
12144
12145         * object.cc (Sized_relobj::do_add_symbols): Always pass
12146         local_symbol_count_ to add_from_relobj.
12147
12148         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12149         every thousand variables.
12150         * testsuite/Makefile.in: Rebuild.
12151
12152         * object.cc (Xindex::initialize_symtab_xindex): New function.
12153         (Xindex::read_symtab_xindex): New function.
12154         (Xindex::sym_xindex_to_shndx): New function.
12155         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12156         available.
12157         (Sized_relobj::do_initialize_xindex): New function.
12158         (Sized_relobj::do_read_symbols): Adjust section links.
12159         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12160         parameter.  Change all callers.
12161         (Sized_relobj::include_section_group): Adjust section links and
12162         symbol section indexes.
12163         (Sized_relobj::do_layout): Adjust section links.
12164         (Sized_relobj::do_count_local_symbols): Adjust section links and
12165         symbol section indexes.
12166         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12167         ordinary and special symbols.
12168         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12169         dynsym_xindex parameters.  Change all callers.  Adjust section
12170         links.  Use SHN_XINDEX when needed.
12171         (Sized_relobj::get_symbol_location_info): Adjust section links.
12172         Don't get fooled by special symbols.
12173         * object.h (class Xindex): Define.
12174         (class Object): Add xindex_ parameter.  Declare virtual functoin
12175         do_initialize_xindex.
12176         (Object::adjust_sym_shndx): New function.
12177         (Object::set_xindex): New protected function.
12178         (class Symbol_value): Add is_ordinary_shndx_ field.
12179         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12180         (Symbol_value::value): Assert ordinary section.
12181         (Symbol_value::initialize_input_to_output_map): Likewise.
12182         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12183         Change all callers.
12184         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12185         all callers.
12186         (class Sized_relobj): Update declarations.
12187         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12188         parameter.  Change all callers.
12189         (Sized_relobj::adjust_shndx): New function.
12190         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12191         field.
12192         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12193         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12194         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12195         (Sized_dynobj::read_dynsym_section): Adjust section links.
12196         (Sized_dynobj::read_dynamic): Likewise.
12197         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12198         section links.
12199         (Sized_dynobj::do_initialize_xindex): New function.
12200         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12201         do_initialize_xindex.
12202         (Sized_dynobj::adjust_shndx): New function.
12203         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12204         dynsym_xindex_ fields.
12205         (Layout::finalize): Add a call to set_section_indexes before
12206         creating the symtab sections.
12207         (Layout::set_section_indexes): Don't do anything if the section
12208         already has a section index.
12209         (Layout::create_symtab_sections): Add shnum parameter.  Change
12210         caller.  Create .symtab_shndx section if needed.
12211         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12212         caller.
12213         (Layout::allocated_output_section_count): New function.
12214         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12215         needed.
12216         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12217         fields.  Update declarations.
12218         (Layout::symtab_xindex): New function.
12219         (Layout::dynsym_xindex): New function.
12220         (class Write_symbols_task): Add layout_ field.
12221         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12222         Change caller.
12223         * output.cc (Output_section_headers::Output_section_headers): Add
12224         shstrtab_section parameter.  Change all callers.
12225         (Output_section_headers::do_sized_write): Store overflow values
12226         for section count and section string table section index in
12227         section header zero.
12228         (Output_file_header::do_sized_write): Check for overflow of
12229         section count and section string table section index.
12230         (Output_symtab_xindex::do_write): New function.
12231         (Output_symtab_xindex::endian_do_write): New function.
12232         * output.h (class Output_section_headers): Add shstrtab_section_.
12233         Update declarations.
12234         (class Output_symtab_xindex): Define.
12235         (Output_section::has_out_shndx): New function.
12236         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
12237         field.
12238         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
12239         Change all callers.
12240         (Sized_symbol::init): Likewise.
12241         (Symbol::output_section): Check for ordinary symbol.
12242         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
12243         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
12244         callers.
12245         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
12246         Change all callers.  Simplify handling of symbols from sections
12247         not included in the link.
12248         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12249         distinction.
12250         (Weak_alias_sorter::operator()): Assert that symbols are
12251         ordinary.
12252         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12253         distinction.
12254         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12255         parameters.  Change all callers.
12256         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12257         symbol distinction.  Use SHN_XINDEX when needed.
12258         (Symbol_table::write_section_symbol): Add symtab_xindex
12259         parameter.  Change all callers.
12260         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12261         SHN_XINDEX when needed.
12262         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12263         declarations.
12264         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12265         (Symbol::is_defined): Check is_ordinary.
12266         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12267         (Symbol::is_absolute, Symbol::is_common): Likewise.
12268         (class Sized_symbol): Update declarations.
12269         (class Symbol_table): Update declarations.
12270         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12271         parameters.  Change all callers.
12272         (Sized_symbol::override): Likewise.
12273         (Symbol_table::override): Likewise.
12274         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12275         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12276         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12277         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12278         to be in an ordinary section.
12279         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12280         object and is_ordinary parameters.  Change all callers.
12281         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12282         Change all callers.  Don't add undefined or non-ordinary symbols
12283         to reloc_map_.
12284         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12285         Change all callers.
12286         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12287         declarations.
12288         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12289         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12290         (Sized_relobj::relocate_sections): Likewise.
12291         * target-reloc.h (scan_relocs): Adjust section symbol index.
12292         (scan_relocatable_relocs): Likewise.
12293         * i386.cc (Scan::local): Check for ordinary symbols.
12294         * sparc.cc (Scan::local): Likewise.
12295         * x86_64.cc (Scan::local): Likewise.
12296         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
12297         to symbol_section_and_value.
12298         * testsuite/many_sections_test.cc: New file.
12299         * testsuite/Makefile.am (BUILT_SOURCES): Define.
12300         (check_PROGRAMS): Add many_sections_test.
12301         (many_sections_test_SOURCES): Define.
12302         (many_sections_test_DEPENDENCIES): Define.
12303         (many_sections_test_LDFLAGS): Define.
12304         (BUILT_SOURCES): Add many_sections_define.h.
12305         (many_sections_define.h): New target.
12306         (BUILT_SOURCES): Add many_sections_check.h.
12307         (many_sections_check.h): New target.
12308         (check_PROGRAMS): Add many_sections_r_test.
12309         (many_sections_r_test_SOURCES): Define.
12310         (many_sections_r_test_DEPENDENCIES): Define.
12311         (many_sections_r_test_LDFLAGS): Define.
12312         (many_sections_r_test_LDADD): Define.
12313         (many_sections_r_test.o): New target.
12314         * testsuite/Makefile.in: Rebuild.
12315
12316 2008-04-17  Cary Coutant  <ccoutant@google.com>
12317
12318         * errors.cc (Errors::info): New function.
12319         (gold_info): New function.
12320         * errors.h (Errors::info): New function.
12321         * gold.h (gold_info): New function.
12322         * object.cc (Input_objects::add_object): Print trace output.
12323         * options.cc (options::parse_set): New function.
12324         (General_options::parse_wrap): Deleted.
12325         (General_options::General_options): Deleted initializer.
12326         * options.h (options::String_set): New typedef.
12327         (options::parse_set): New function.
12328         (DEFINE_set): New macro.
12329         (General_options::wrap): Changed to use DEFINE_set. Changed
12330         callers of any_wrap_symbols and is_wrap_symbol.
12331         (General_options::trace, General_options::trace_symbol):
12332         New options.
12333         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12334         (General_options::wrap_symbols_): Deleted.
12335         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12336
12337 2008-04-17  David S. Miller  <davem@davemloft.net>
12338
12339         * options.cc (General_options::parse_V): New function.
12340         * options.h: Add entries for -V and -Qy.
12341
12342 2008-04-17  Ian Lance Taylor  <iant@google.com>
12343
12344         * common.cc (Symbol_table::allocate_commons): Remove options
12345         parameter.  Change caller.
12346         (Symbol_table::do_allocate_commons): Remove options parameter.
12347         Change caller.  Just call do_allocate_commons_list twice.
12348         (Symbol_table::do_allocate_commons_list): New function, broken out
12349         of do_allocate_commons.
12350         * common.h (class Allocate_commons_task): Remove options_ field.
12351         Update constructor.
12352         * symtab.cc (Symbol_table::Symbol_table): Initialize
12353         tls_commons_.
12354         (Symbol_table::add_from_object): Put TLS common symbols on
12355         tls_commons_ list.
12356         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12357         which are IN_OUTPUT_DATA.
12358         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12359         allocate_commons and do_allocate_commons declarations.  Declare
12360         do_allocate_commons_list.
12361         * gold.cc (queue_middle_tasks): Update creation of
12362         Allocate_commons_task to not pass options.
12363         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12364         (TLS_TEST_C_FLAGS): New variable.
12365         (tls_test_c_pic.o): New target.
12366         (tls_test_shared.so): Link in tls_test_c_pic.o.
12367         (tls_test_c_pic_ie.o): New target.
12368         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12369         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12370         (tls_test_c.o): New target.
12371         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12372         (tls_pic_test_LDADD): Likewise.
12373         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12374         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12375         (tls_test_c_gnu2.o): New target.
12376         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12377         tls_test_c_gnu2.o.
12378         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12379         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12380         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12381         * testsuite/tls_test.cc: Include "config.h".
12382         (t_last): Call t11_last.
12383         * testsuite/tls_test.h (t11, t11_last): Declare.
12384         * testsuite/tls_test_c.c: New file.
12385         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12386         * configure.ac: Check for OpenMP support.
12387         * configure, config.in, Makefile.in: Rebuild.
12388         * testsuite/Makefile.in: Rebuild.
12389
12390 2008-04-16  Cary Coutant  <ccoutant@google.com>
12391
12392         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12393         (Target_i386::tls_base_symbol_defined_): New field.
12394         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12395         (Target_i386::Scan::global): Likewise.
12396         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12397         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12398         (Target_x86_64::tls_base_symbol_defined_): New field.
12399         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12400         (Target_x86_64::Scan::global): Likewise.
12401
12402 2008-04-16  Cary Coutant  <ccoutant@google.com>
12403
12404         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12405         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12406         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12407         building shared libraries.
12408         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12409         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12410         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12411         * testsuite/Makefile.in: Rebuild.
12412         * testsuite/weak_undef.h: New file.
12413         * testsuite/weak_undef_file1.cc: Add extra test cases.
12414         * testsuite/weak_undef_file2.cc: Likewise.
12415         * testsuite/weak_undef_test.cc: Likewise.
12416
12417 2008-04-16  David S. Miller  <davem@davemloft.net>
12418
12419         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12420         Add issued_non_pic_error_ field.  Declare check_non_pic.
12421         (Target_sparc::Scan::check_non_pic): New function.
12422         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12423         (Target_sparc::Scan::global): Likewise.
12424
12425         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12426         * configure: Rebuild.
12427
12428         * options.h (DEFINE_enable): New macro.
12429         (new_dtags): New enable option.
12430         (initfirst, interpose, loadfltr, nodefaultlib,
12431         nodelete, nodlopen, nodump): New -z options.
12432         * layout.cc (Layout:finish_dynamic_section): If new
12433         dtags enabled, emit DT_RUNPATH.  Also, emit a
12434         DT_FLAGS_1 containing any specified -z flags.
12435
12436 2008-04-16  Ian Lance Taylor  <iant@google.com>
12437
12438         * copy-relocs.cc: New file.
12439         * copy-relocs.h: New file.
12440         * reloc.cc: Remove Copy_relocs code.
12441         * reloc.h: Likewise.
12442         * reloc-types.h (struct Reloc_types) [both versions]: Add
12443         get_reloc_addend_noerror.
12444         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12445         variants of add_global which take an addend which must be zero.
12446         * i386.cc: Include "copy-relocs.h".
12447         (class Target_i386): Change type of copy_relocs_ to variable,
12448         update initializer.
12449         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12450         Change all callers.
12451         (Target_i386::do_finalize_sections): Change handling of
12452         copy_relocs_.
12453         * sparc.cc: Include "copy-relocs.h".
12454         (class Target_sparc): Change type of copy_relocs_ to variable,
12455         update initializer.
12456         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12457         Change all callers.
12458         (Target_sparc::do_finalize_sections): Change handling of
12459         copy_relocs_.
12460         * x86_64.cc: Include "copy-relocs.h".
12461         (class Target_x86_64): Change type of copy_relocs_ to variable,
12462         update initializer.
12463         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12464         class.  Change all callers.
12465         (Target_x86_64::do_finalize_sections): Change handling of
12466         copy_relocs_.
12467         * Makefile.am (CCFILES): Add copy-relocs.cc.
12468         (HFILES): Add copy-relocs.h.
12469
12470         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12471
12472         * testsuite/script_test_4.sh: Permit leading zeroes.
12473
12474 2008-04-15  Ian Lance Taylor  <iant@google.com>
12475
12476         * script-sections.cc (Script_sections::create_segments): Use
12477         header_size_adjustment even when there is enough room for the
12478         headers.
12479         * testsuite/script_test_4.sh: New file.
12480         * testsuite/script_test_4.t: New file.
12481         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12482         (check_DATA): Add script_test_4.stdout.
12483         (MOSTLYCLEANFILES): Likewise.
12484         (script_test_4): New target.
12485         (script_test_4.stdout): New target.
12486         * testsuite/Makefile.in: Rebuild.
12487
12488         * sparc.cc: Add definitions for Output_data_plt_sparc class
12489         constants.
12490
12491 2008-04-14  David S. Miller  <davem@davemloft.net>
12492
12493         * sparc.cc: New file.
12494         * Makefile.am (TARGETSOURCES): Add sparc.cc
12495         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12496         * configure.tgt: Document targ_extra_size and
12497         targ_extra_big_endian.  Add entries for sparc-* and
12498         sparc64-*.
12499         * configure.ac: Handle targ_extra_size and
12500         targ_extra_big_endian.
12501         * Makefile.in: Rebuild.
12502         * configure: Likewise.
12503         * po/POTFILES.in: Likewise.
12504         * po/gold.pot: Likewise.
12505
12506 2008-04-14  Ian Lance Taylor  <iant@google.com>
12507
12508         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12509         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12510         in the name/type/flags to section mapping.  Don't call
12511         allocate_output_section.
12512         (Layout::choose_output_section): Change parameter from adjust_name
12513         to is_input_section.  Don't permit input sections after sections
12514         are attached to segments.  Don't call allocate_output_section.
12515         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12516         not write_enable_output_section.
12517         (Layout::make_output_section): Don't push to
12518         unattached_section_list_ nor call attach_to_segment.  Call
12519         attach_section_to_segment if sections are attached.
12520         (Layout::attach_sections_to_segments): New function.
12521         (Layout::attach_section_to_segment): New function.
12522         (Layout::attach_allocated_section_to_segment): Rename from
12523         attach_to_segment.  Remove flags parameter.
12524         (Layout::allocate_output_section): Remove function.
12525         (Layout::write_enable_output_section): Remove function.
12526         * layout.h (class Layout): Update for above changes.  Add new
12527         field sections_are_attached_.
12528         * output.h (Output_section::update_flags_for_input_section): New
12529         function.
12530         * output.cc (Output_section::add_input_section): Call
12531         update_flags_for_input_section.
12532         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12533
12534 2008-04-11  Cary Coutant  <ccoutant@google.com>
12535
12536         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12537         thought unnecessary.
12538         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12539
12540 2008-04-11  Ian Lance Taylor  <iant@google.com>
12541
12542         * output.h (class Output_section_data): Remove inline definition
12543         of set_addralign.
12544         * output.cc (Output_section_data::set_addralign): New function.
12545
12546 2008-04-11  Cary Coutant  <ccoutant@google.com>
12547
12548         Add support for TLS descriptors for i386 and x86_64.
12549         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12550         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12551         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12552         GOT_TYPE_TLS_DESC.
12553         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12554         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12555         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12556         relocations.
12557         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12558         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12559         Fix problem with initial-exec relocations.
12560         (Target_i386::Relocate::relocate_tls): Likewise.
12561         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12562         relaxation.
12563         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12564         support for section-plus-offset dynamic table entries.
12565         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12566         (Output_data_dynamic::Dynamic_entry): Add support for
12567         section-plus-offset dynamic table entries.
12568         (Output_data_dynamic::Classification): Likewise.
12569         (Output_data_dynamic::classification_): Renamed offset_.
12570         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12571         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12572         (Target_x86_64::make_plt_section): New function.
12573         (Target_x86_64::reserve_tlsdesc_entries): New function.
12574         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12575         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12576         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12577         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12578         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12579         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12580         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12581         add extra PLT entry for TLS descriptors.
12582         (Output_data_plt_x86_64::got_): New field.
12583         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12584         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12585         fields.
12586         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12587         descriptors.
12588         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12589         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12590         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12591         R_386_TLS_DESC_CALL relocations.
12592         (Target_x86_64::Scan::global): Likewise.
12593         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12594         for TLS descriptors.
12595         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12596         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12597         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12598         GD-to-IE relaxation.
12599         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12600         and TLS_DESCRIPTORS.
12601         * Makefile.in: Rebuild.
12602         * configure: Rebuild.
12603         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12604         (tls_test_shared2.so): New target.
12605         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12606         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12607         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12608         (tls_shared_gd_to_ie_test_LDADD): New variable.
12609         (tls_shared_gnu2_gd_to_ie_test): New target.
12610         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12611         New targets.
12612         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12613         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12614         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12615         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12616         (tls_shared_gnu2_test): New target.
12617         (tls_test_gnu2_shared.so): New target.
12618         (tls_shared_gnu2_test_SOURCES): New variable.
12619         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12620         (tls_shared_gnu2_test_LDFLAGS): New variable.
12621         (tls_shared_gnu2_test_LDADD): New variable.
12622         * testsuite/Makefile.in: Rebuild.
12623         * testsuite/Makefile.
12624
12625 2008-04-11  Ian Lance Taylor  <iant@google.com>
12626
12627         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12628         justsyms.t.
12629         * testsuite/Makefile.in: Rebuild.
12630
12631         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12632         long.
12633         * testsuite/script_test_2.cc (main): Adjust test.
12634
12635 2008-04-11  David S. Miller  <davem@davemloft.net>
12636             Ian Lance Taylor  <iant@google.com>
12637
12638         * options.h (General_options): Add entries for '-Y' and
12639         '-relax'.
12640         * options.cc (General_options:finalize): If -Y was used, add those
12641         entries to the library path instead of the default "/lib" and
12642         "/usr/lib".
12643
12644 2008-04-11  David S. Miller  <davem@davemloft.net>
12645
12646         * testsuite/justsyms.t: Start at 0x100.
12647         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12648         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12649         long.
12650         * testsuite/script_test_2.cc: Adjust string and section length
12651         checks.
12652
12653 2008-04-09  Ian Lance Taylor  <iant@google.com>
12654
12655         PR gold/5996
12656         * script-sections.cc (Sections_element::allocate_to_segment): Add
12657         orphan parameter.
12658         (Output_section_definition::allocate_to_segment): Likewise.
12659         (Orphan_output_section::allocate_to_segment): Likewise.
12660         (Script_sections::attach_sections_using_phdrs_clause): Don't
12661         propagate non-PT_LOAD segments to orphan sections.
12662         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12663         readelf rather than objdump.
12664         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12665         .interp section and PT_INTERP segment are the same size.
12666         * testsuite/Makefile.in: Rebuild.
12667
12668         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12669         aliases for symbols defined in the same object.
12670         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12671         (weak_alias_test_SOURCES): New variable.
12672         (weak_alias_test_DEPENDENCIES): New variable.
12673         (weak_alias_test_LDFLAGS): New variable.
12674         (weak_alias_test_LDADD): New variable.
12675         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12676         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12677         (weak_alias_test_3.o): New target.
12678         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12679         * testsuite/weak_alias_test_main.cc: New file.
12680         * testsuite/weak_alias_test_1.cc: New file.
12681         * testsuite/weak_alias_test_2.cc: New file.
12682         * testsuite/weak_alias_test_3.cc: New file.
12683
12684 2008-04-08  Ian Lance Taylor  <iant@google.com>
12685
12686         * options.h (class General_options): Add --noinhibit-exec option.
12687         * main.cc (main): Check --noinhibit-exec.
12688
12689         * options.h (class General_options): Define --wrap as a special
12690         option.  Add wrap_symbols_ field.
12691         (General_options::any_wrap_symbols): New function.
12692         (General_options::is_wrap_symbol): New function.
12693         * options.cc (General_options::parse_wrap): New function.
12694         (General_options::General_options): Initialize wrap_symbols_.
12695         * symtab.cc (Symbol_table::wrap_symbol): New function.
12696         (Symbol_table::add_from_object): Handle --wrap.
12697         * symtab.h (class Symbol_table): Declare wrap_symbol.
12698         * target.h (Target::wrap_char): New function.
12699         (Target::Target_info): Add wrap_char field.
12700         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12701         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12702         * testsuite/testfile.cc (Target_test::test_target_info):
12703         Likewise.
12704
12705         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12706         there is one.
12707
12708         * layout.h (class Layout): Add added_eh_frame_data_ field.
12709         * layout.cc (Layout::Layout): Initialize new field.
12710         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12711         output section until we find a section we merged successfully.
12712         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12713         that the size be non-zero.
12714
12715         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12716         qualifier.
12717
12718 2008-04-08  Craig Silverstein  <csilvers@google.com>
12719
12720         * configure.ac: Export new conditional variable HAVE_ZLIB.
12721         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12722         on HAVE_ZLIB.
12723         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12724         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12725
12726 2008-04-07  Ian Lance Taylor  <iant@google.com>
12727
12728         * version.cc (version_string): Set to "1.5".
12729
12730         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12731         Add issued_non_pic_error_ field.  Declare check_non_pic.
12732         (Target_x86_64::Scan::check_non_pic): New function.
12733         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12734         (Target_x86_64::Scan::global): Likewise.
12735
12736         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12737         addend parameter.  Change caller.  Handle merge sections.
12738         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12739         Address to Addend.  Don't add in the result of
12740         local_section_offset, pass down the addend and use the returned
12741         value.
12742         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12743         Update declarations of local_section_offset and symbol_value.
12744         * testsuite/two_file_test_1.cc (t18): New function.
12745         * testsuite/two_file_test_2.cc (f18): New function.
12746         * testsuite/two_file_test_main.cc (main): Call t18.
12747         * testsuite/two_file_test.h (t18, f18): Declare.
12748
12749         * configure.ac: Don't test for objdump, c++filt, or readelf.
12750         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12751         conditionals.
12752         (TEST_READELF): New variable.
12753         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12754         (check_PROGRAMS): Add two_file_strip_test.
12755         (two_file_strip_test): New target.
12756         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12757         (two_file_same_shared_strip_test_SOURCES): New variable.
12758         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12759         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12760         (two_file_same_shared_strip_test_LDADD): New variable.
12761         (two_file_shared_strip.so): New target.
12762         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12763         (ver_test_5.syms, ver_test_7.syms): Likewise.
12764         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12765         (strip_test_3.stdout): Use TEST_OBJDUMP.
12766         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12767
12768 2008-04-04  Cary Coutant  <ccoutant@google.com>
12769
12770         * symtab.h (Symbol::is_weak_undefined): New function.
12771         (Symbol::is_strong_undefined): New function.
12772         (Symbol::is_absolute): New function.
12773         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12774         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12775         absolute symbols.
12776         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12777         (weak_undef_test): New target.
12778         * testsuite/Makefile.in: Rebuild.
12779         * testsuite/weak_undef_file1.cc: New file.
12780         * testsuite/weak_undef_file2.cc: New file.
12781         * testsuite/weak_undef_test.cc: New file.
12782
12783 2008-04-03  Craig Silverstein  <csilvers@google.com>
12784
12785         * compressed_output.h (class Output_compressed_section): Use
12786         unsigned buffer.
12787         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12788         add zlib header.
12789         (zlib_compressed_suffix): Removed.
12790         (Output_compressed_section::set_final_data_size): Use unsigned
12791         buffers.
12792         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12793         Fix linker invocation.
12794         (flagstest_o_specialfile_and_compress_debug_sections):
12795         Likewise.
12796         * testsuite/Makefile.in: Regenerated.
12797
12798 2008-04-02  David S. Miller  <davem@davemloft.net>
12799
12800         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12801         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12802
12803 2008-04-02  Craig Silverstein  <csilvers@google.com>
12804
12805         * TODO: New file.
12806
12807 2008-04-02  Ian Lance Taylor  <iant@google.com>
12808
12809         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12810         parameters.  Update for new key type to views_.  Change all
12811         callers.
12812         (File_read::read): Adjust for byteshift in returned view.
12813         (File_read::add_view): New function, broken out of
12814         find_and_make_view.
12815         (File_read::make_view): New function, broken out of
12816         find_and_make_view.
12817         (File_read::find_or_make_view): Add offset and aligned
12818         parameters.  Rewrite accordingly.  Change all callers.
12819         (File_read::get_view): Add offset and aligned parameters.  Adjust
12820         for byteshift in return value.
12821         (File_read::get_lasting_view): Likewise.
12822         * fileread.h (class File_read): Update declarations.
12823         (class File_read::View): Add byteshift_ field.  Add byteshift to
12824         constructor.  Add byteshift method.
12825         * archive.h (Archive::clear_uncached_views): New function.
12826         (Archive::get_view): Add aligned parameter.  Change all callers.
12827         * object.h (Object::get_view): Add aligned parameter.  Change all
12828         callers.
12829         (Object::get_lasting_view): Likewise.
12830
12831         * fileread.cc (File_read::release): Don't call clear_views if
12832         there are multiple objects.
12833         * fileread.h (File_read::clear_uncached_views): New function.
12834         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12835         on the archive.
12836
12837 2008-03-31  Cary Coutant  <ccoutant@google.com>
12838
12839         Add thin archive support.
12840         * archive.cc (Archive::armagt): New const.
12841         (Archive::setup): Remove task parameter and calls to unlock.
12842         (Archive::unlock_nested_archives): New function.
12843         (Archive::read_header): Add nested_off parameter. Change
12844         all callers.
12845         (Archive::interpret_header): Likewise.
12846         (Archive::include_all_members): Change to handle thin
12847         archives.
12848         (Archive::include_member): Likewise.
12849         * archive.h (Archive::Archive): Add new parameters and
12850         initializers.
12851         (Archive::armagt): New const.
12852         (Archive::setup): Remove task parameter.
12853         (Archive::unlock_nested_archives): New function.
12854         (Archive::read_header): Add nested_off parameter.
12855         (Archive::interpret_header): Likewise.
12856         (Archive::Nested_archive_table): New typedef.
12857         (Archive::is_thin_archive_): New field.
12858         (Archive::nested_archives_): New field.
12859         (Archive::options_): New field.
12860         (Archive::dirpath_): New field.
12861         (Archive::task_): New field.
12862         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12863         for thin archives.  Pass additional parameters to
12864         Archive::Archive.  Unlock the archive file after calling
12865         Archive::setup.
12866
12867 2008-03-29  Ian Lance Taylor  <iant@google.com>
12868
12869         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12870         version symbol to be local.
12871         * testsuite/ver_test_4.sh: New file.
12872         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12873         (check_DATA): Add ver_test_4.syms.
12874         (ver_test_4.syms): New target.
12875         * testsuite/Makefile.in: Rebuild.
12876
12877         * output.cc
12878         (Output_section::Input_section_sort_entry::has_priority): New
12879         function.
12880         (Output_section::Input_section_sort_entry::match_file_name): New
12881         function.
12882         (Output_section::Input_section_sort_entry::match_section_name):
12883         Remove.
12884         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12885         Remove.
12886         (Output_section::Input_section_sort_entry::match_section_file):
12887         Remove.
12888         (Output_section::Input_section_sort_compare::operator()): Rewrite
12889         using new Input_section_sort_entry functions.  Sort crtbegin and
12890         crtend first.  Sort sections with no priority before sections with
12891         a priority.
12892         * testsuite/initpri1.c (d3): Check j != 4.
12893         (cd5): New constructor/destructor function.
12894         (main): Check j != 2.
12895
12896         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12897         new symbol when resolving, don't call set_is_default.
12898         * testsuite/ver_test_7.cc: New file.
12899         * testsuite/ver_test_7.sh: New file.
12900         * testsuite/Makefile.am (ver_test_7.so): New target.
12901         (ver_test_7.o): New target.
12902         (check_SCRIPTS): Add ver_test_7.sh.
12903         (check_DATA): Add ver_test_7.syms.
12904         (ver_test_7.syms): New target.
12905
12906 2008-03-28  Ian Lance Taylor  <iant@google.com>
12907
12908         * layout.cc (Layout::layout): If we see an input section with a
12909         name that needs sorting, set the must_sort flag for the output
12910         section.
12911         (Layout::make_output_section): If the name of the output section
12912         indicates that it might require sorting, set the may_sort flag.
12913         * output.h (Output_section::may_sort_attached_input_sections): New
12914         function.
12915         (Output_section::set_may_sort_attached_input_sections): New
12916         function.
12917         (Output_section::must_sort_attached_input_sections): New
12918         function.
12919         (Output_section::set_must_sort_attached_input_sections): New
12920         function.
12921         (class Output_section): Declare Input_section_sort_entry.  Define
12922         Input_section_sort_compare.  Declare
12923         sort_attached_input_sections.  Add new fields:
12924         may_sort_attached_input_sections_,
12925         must_sort_attached_input_sections_,
12926         attached_input_sections_are_sorted_.
12927         * output.cc (Output_section::Output_section): Initialize new
12928         fields.
12929         (Output_section::add_input_section): Add an entry to
12930         input_sections_ if may_sort or must_sort are true.
12931         (Output_section::set_final_data_size): Call
12932         sort_attached_input_sections if necessary.
12933         (Output_section::Input_section_sort_entry): Define new class.
12934         (Output_section::Input_section_sort_compare::operator()): New
12935         function.
12936         (Output_section::sort_attached_input_sections): New function.
12937         * configure.ac: Check whether the compiler supports constructor
12938         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12939         * testsuite/initpri1.c: New file.
12940         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12941         CONSTRUCTOR_PRIORITY.
12942         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12943         (initpri1_LDFLAGS): New variable.
12944         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12945
12946 2008-03-27  Ian Lance Taylor  <iant@google.com>
12947
12948         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12949         * testsuite/common_test_1.c: New file.
12950         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12951         (common_test_1_SOURCES): New variable.
12952         (common_test_1_DEPENDENCIES): New variable.
12953         (common_test_1_LDFLAGS): New variable.
12954
12955         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12956         and commons_ correctly when NAME/VERSION does not override
12957         NAME/NULL.
12958         * testsuite/ver_test_6.c: New file.
12959         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12960         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12961         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12962
12963 2008-03-26  Ian Lance Taylor  <iant@google.com>
12964
12965         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12966         of an undefined symbol from a version script.
12967         * testsuite/Makefile.am (ver_test_5.so): New target.
12968         (ver_test_5.o): New target.
12969         (check_SCRIPTS): Add ver_test_5.sh.
12970         (check_DATA): Add ver_test_5.syms.
12971         (ver_test_5.syms): New target.
12972         * testsuite/ver_test_5.cc: New file.
12973         * testsuite/ver_test_5.script: New file.
12974         * testsuite/ver_test_5.sh: New file.
12975         * Makefile.in, testsuite/Makefile.in: Rebuild.
12976
12977         PR gold/5986
12978         Fix problems building gold with gcc 4.3.0.
12979         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12980         (gold_error_at_location, gold_warning_at_location): Use it.
12981         * configure.ac: Check whether we can compile and use a template
12982         function with a printf attribute.
12983         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12984         when jumping over bytes.
12985         * object.cc: Instantiate Object::read_section_data.
12986         * debug.h: Include <cstring>
12987         * dwarf_reader.cc: Include <algorithm>
12988         * main.cc: Include <cstring>.
12989         * options.cc: Include <cstring>.
12990         * output.cc: Include <cstring>.
12991         * script.cc: Include <cstring>.
12992         * script.h: Include <string>.
12993         * symtab.cc: Include <cstring> and <algorithm>.
12994         * target-select.cc: Include <cstring>.
12995         * version.cc: Include <string>.
12996         * testsuite/testmain.cc: Include <cstdlib>.
12997         * configure, config.in: Rebuild.
12998
12999 2008-03-25  Ian Lance Taylor  <iant@google.com>
13000
13001         * options.cc: Include "../bfd/bfdver.h".
13002         (options::help): Print bug reporting address.
13003
13004         * version.cc (print_version): Adjust output for current value of
13005         BFD_VERSION_STRING.
13006
13007         * NEWS: New file.
13008
13009         * options.cc (options::help): Print list of supported targets.
13010         * target-select.h: Include <vector>.
13011         (class Target_selector): Make machine_, size_, and is_big_endian_
13012         fields const.  Add bfd_name_ and instantiated_target_ fields.
13013         (Target_selector::Target_selector): Add bfd_name parameter.
13014         (Target_selector::recognize): Make non-virtual, call
13015         do_recognize.
13016         (Target_selector::recognize_by_name): Make non-virtual, call
13017         do_recognize_by_name.
13018         (Target_selector::supported_names): New function.
13019         (Target_selector::bfd_name): New function.
13020         (Target_selector::do_instantiate_target): New pure virtual
13021         function.
13022         (Target_selector::do_recognize): New virtual function.
13023         (Target_selector::do_recognize_by_name): New virtual function.
13024         (Target_selector::instantiate_target): New private function.
13025         (supported_target_names): Declare.
13026         * target-select.cc (Target_selector::Target_selector): Update for
13027         new parameter and fields.
13028         (select_target_by_name): Check that the name matches before
13029         calling recognize_by_name.
13030         (supported_target_names): New function.
13031         * i386.cc (class Target_selector_i386): Update Target_selector
13032         constructor call.  Remove recognize and recognize_by_name.  Add
13033         do_instantiate_target.
13034         * x86_64.cc (class Target_selector_x86_64): Likewise.
13035         * testsuite/testfile.cc (class Target_selector_test): Update for
13036         changes to Target_selector.
13037
13038         * README: Rewrite, with some notes on unsupported features.
13039
13040 2008-03-24  Cary Coutant  <ccoutant@google.com>
13041
13042         * i386.cc (Target_i386::Got_type): New enum declaration.
13043         (Target_i386::Scan::local): Updated callers of Output_data_got
13044         member functions.
13045         (Target_i386::Scan::global): Likewise.
13046         (Target_i386::Relocate::relocate): Likewise.
13047         (Target_i386::Relocate::relocate_tls): Likewise.
13048         * object.h (Got_offset_list): New class.
13049         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13050         (Sized_relobj::local_got_offset): Likewise.
13051         (Sized_relobj::set_local_got_offset): Likewise.
13052         (Sized_relobj::local_has_tls_got_offset): Removed.
13053         (Sized_relobj::local_tls_got_offset): Removed.
13054         (Sized_relobj::set_local_tls_got_offset): Removed.
13055         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13056         * output.cc (Output_data_got::add_global): Added got_type parameter.
13057         (Output_data_got::add_global_with_rel): Likewise.
13058         (Output_data_got::add_global_with_rela): Likewise.
13059         (Output_data_got::add_global_pair_with_rel): New function.
13060         (Output_data_got::add_global_pair_with_rela): New function.
13061         (Output_data_got::add_local): Added got_type parameter.
13062         (Output_data_got::add_local_with_rel): Likewise.
13063         (Output_data_got::add_local_with_rela): Likewise.
13064         (Output_data_got::add_local_pair_with_rel): New function.
13065         (Output_data_got::add_local_pair_with_rela): New function.
13066         (Output_data_got::add_global_tls): Removed.
13067         (Output_data_got::add_global_tls_with_rel): Removed.
13068         (Output_data_got::add_global_tls_with_rela): Removed.
13069         (Output_data_got::add_local_tls): Removed.
13070         (Output_data_got::add_local_tls_with_rel): Removed.
13071         (Output_data_got::add_local_tls_with_rela): Removed.
13072         * output.h (Output_data_got::add_global): Added got_type parameter.
13073         (Output_data_got::add_global_with_rel): Likewise.
13074         (Output_data_got::add_global_with_rela): Likewise.
13075         (Output_data_got::add_global_pair_with_rel): New function.
13076         (Output_data_got::add_global_pair_with_rela): New function.
13077         (Output_data_got::add_local): Added got_type parameter.
13078         (Output_data_got::add_local_with_rel): Likewise.
13079         (Output_data_got::add_local_with_rela): Likewise.
13080         (Output_data_got::add_local_pair_with_rel): New function.
13081         (Output_data_got::add_local_pair_with_rela): New function.
13082         (Output_data_got::add_global_tls): Removed.
13083         (Output_data_got::add_global_tls_with_rel): Removed.
13084         (Output_data_got::add_global_tls_with_rela): Removed.
13085         (Output_data_got::add_local_tls): Removed.
13086         (Output_data_got::add_local_tls_with_rel): Removed.
13087         (Output_data_got::add_local_tls_with_rela): Removed.
13088         * resolve.cc (Symbol::override_base_with_special): Removed
13089         reference to has_got_offset_ field.
13090         * symtab.cc (Symbol::init_fields): Replaced initialization
13091         of got_offset_ with got_offsets_.  Removed initialization
13092         of has_got_offset_
13093         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13094         (Symbol::got_offset): Likewise.
13095         (Symbol::set_got_offset): Likewise.
13096         (Symbol::has_tls_got_offset): Removed.
13097         (Symbol::tls_got_offset): Removed.
13098         (Symbol::set_tls_got_offset): Removed.
13099         (Symbol::got_offset_): Removed.
13100         (Symbol::tls_mod_got_offset_): Removed.
13101         (Symbol::tls_pair_got_offset_): Removed.
13102         (Symbol::got_offsets_): New field.
13103         (Symbol::has_got_offset): Removed.
13104         (Symbol::has_tls_mod_got_offset): Removed.
13105         (Symbol::has_tls_pair_got_offset): Removed.
13106         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13107         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13108         member functions.
13109         (Target_x86_64::Scan::global): Likewise.
13110         (Target_x86_64::Relocate::relocate): Likewise.
13111         (Target_x86_64::Relocate::relocate_tls): Likewise.
13112
13113 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13114
13115         * yyscript.y: Fix spelling error in comment.
13116
13117 2008-03-24  Ian Lance Taylor  <iant@google.com>
13118
13119         * options.h (class General_options): Define build_id option.
13120         * layout.h (class Layout): Declare write_build_id, create_note,
13121         create_build_id.  Add build_id_note_ member.
13122         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13123         "libiberty.h", "md5.h", "sha1.h".
13124         (Layout::Layout): Initialize eh_frame_data_,
13125         eh_frame_hdr_section_, and build_id_note_.
13126         (Layout::finalize): Call create_build_id.
13127         (Layout::create_note): New function, broken out of
13128         Layout::create_gold_note.
13129         (Layout::create_gold_note): Call create_note.
13130         (Layout::create_build_id): New function.
13131         (Layout::write_build_id): New function.
13132         (Close_task_runner::run): Call write_build_id.
13133
13134         * x86_64.cc: Correct license to GPLv3.
13135
13136 2008-03-23  Ian Lance Taylor  <iant@google.com>
13137
13138         * options.cc: Include "demangle.h".
13139         (parse_optional_string): New function.
13140         (parse_long_option): Handle takes_optional_argument.
13141         (parse_short_option): Update dash_z initializer.  Handle
13142         takes_optional_argument.
13143         (General_options::General_options): Initialize do_demangle_.
13144         (General_options::finalize): Set do_demangle_.  Handle demangling
13145         style.
13146         * options.h (parse_optional_string): Declare.
13147         (struct One_option): Add optional_arg field.  Update constructor.
13148         Update call constructor calls.  Add takes_optional_argument
13149         function.
13150         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13151         (DEFINE_optional_string): Define.
13152         (General_options::demangle): Change from DEFINE_bool to
13153         DEFINE_optional_string.
13154         (General_options::no_demangle): New function.
13155         (General_options::do_demangle): New function.
13156         (General_options::set_do_demangle): New function.
13157         (General_options::execstack_status_): Move definition to end of
13158         class definition.
13159         (General_options::static_): Likewise.
13160         (General_options::do_demangle_): New field.
13161         * object.cc (big_endian>::get_symbol_location_info): Call
13162         Options::do_demangle, not Options::demangle.
13163         * symtab.cc (demangle): Likewise.
13164
13165 2008-03-22  Ian Lance Taylor  <iant@google.com>
13166
13167         * gold.h: Include <cstddef> and <sys/types.h>
13168         * options.h: Include <cstring>.
13169
13170 2008-03-21  Ian Lance Taylor  <iant@google.com>
13171
13172         * Added source code to GNU binutils.