gold/ChangeLog

   1 2012-07-11  Ian Lance Taylor  <iant@google.com>
   2
   3         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
   4         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
   5         (Target_arm::scan_reloc_for_stub): Likewise.
   6         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
   7         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
   8         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
   9         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
  10         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
  11
  12 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
  13             Ian Lance Taylor  <iant@google.com>
  14
  15         PR gold/14309
  16         * configure.ac: Test whether std::tr1::hash<off_t> works.
  17         * gold.h: Add a specialization for std::tr1::hash<off_t> if
  18         needed.
  19         * output.h (class Output_fill): Add virtual destructor.
  20         * configure, config.in: Rebuild.
  21
  22 2012-06-22  Roland McGrath  <mcgrathr@google.com>
  23
  24         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
  25
  26 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
  27
  28         * plugin.cc (Plugin::load): Handle position independent executables.
  29
  30 2012-06-06  Cary Coutant  <ccoutant@google.com>
  31
  32         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
  33         add .debug_macro.
  34         (lines_only_debug_sections): Likewise.
  35         (gdb_fast_lookup_sections): New static array.
  36         (is_gdb_debug_section): Rename formal parameter.
  37         (is_lines_only_debug_section): Likewise.
  38         (is_gdb_fast_lookup_section): New function.
  39         (Layout::include_section): Check for ".zdebug_" prefix; pass
  40         section name suffix to is_gdb_debug_section, et al.; check for
  41         fast-lookup sections when building .gdb_index.
  42         * options.h (--strip-debug-gdb): Update GDB version number.
  43
  44 2012-06-06  Cary Coutant  <ccoutant@google.com>
  45
  46         * configure.ac: Add check for fallocate.
  47         * configure: Regenerate.
  48         * config.in: Regenerate.
  49
  50         * options.h (class General_options): Add --mmap-output-file and
  51         --posix-fallocate options.
  52         * output.cc: (posix_fallocate): Remove; replace with...
  53         (gold_fallocate): New function.
  54         (Output_file::map_no_anonymous): Call gold_fallocate.
  55         (Output_file::map): Check --mmap-output-file option.
  56
  57 2012-06-05  Jing Yu  <jingyu@google.com>
  58
  59         * gold.h (textdomain): Add do {} to empty while(0).
  60         (bindtextdomain): Likewise.
  61
  62 2012-06-04  Cary Coutant  <ccoutant@google.com>
  63
  64         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
  65         has_dynsym_index.
  66
  67 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
  68
  69         * symtab.cc (Symbol_table::define_special_symbol):
  70         Initialize *poldsym to prevent uninitialized variable errors.
  71
  72 2012-05-23  Cary Coutant  <ccoutant@google.com>
  73
  74         * layout.cc (Layout::section_name_mapping): Add rules to handle
  75         exact match on .data.rel.ro.local or .data.rel.ro.
  76         (Layout::output_section_name): Check for exact matches.
  77
  78 2012-05-23  Cary Coutant  <ccoutant@google.com>
  79
  80         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
  81         more carefully.
  82
  83 2012-05-22  Cary Coutant  <ccoutant@google.com>
  84
  85         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
  86         object before exporting symbol.
  87
  88 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
  89
  90         * testsuite/tls_test.cc: Include "config.h" first.
  91         * testsuite/tls_test_c.c: Likewise.
  92
  93 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
  94             Nick Clifton  <nickc@redhat.com>
  95
  96         PR 14072
  97         * configure.in: Add check that sysdep.h has been included before
  98         any system header files.
  99         * configure: Regenerate.
 100         * config.in: Regenerate.
 101
 102 2012-05-14  Cary Coutant  <ccoutant@google.com>
 103
 104         * layout.cc (Layout::make_output_section): Mark .tdata section
 105         as RELRO.
 106         * testsuite/relro_test.cc: Add a TLS variable.
 107
 108 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
 109
 110         PR gold/14091
 111         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
 112         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
 113         R_X86_64_64.
 114
 115 2012-05-08  Cary Coutant  <ccoutant@google.com>
 116
 117         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
 118         (lines_only_debug_sections): Likewise.
 119
 120 2012-05-02  Roland McGrath  <mcgrathr@google.com>
 121
 122         * nacl.cc: New file.
 123         * nacl.h: New file.
 124         * Makefile.am (CCFILES, HFILES): Add them.
 125         * Makefile.in: Regenerate.
 126         * i386.cc (Output_data_plt_i386_nacl): New class.
 127         (Output_data_plt_i386_nacl_exec): New class.
 128         (Output_data_plt_i386_nacl_dyn): New class.
 129         (Target_i386_nacl): New class.
 130         (Target_selector_i386_nacl): New class.
 131         (target_selector_i386): Use it instead of Target_selector_i386.
 132         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
 133         (Target_x86_64_nacl): New class.
 134         (Target_selector_x86_64_nacl): New class.
 135         (target_selector_x86_64, target_selector_x32): Use it instead of
 136         Target_selector_x86_64.
 137         * arm.cc (Output_data_plt_arm_nacl): New class.
 138         (Target_arm_nacl): New class.
 139         (Target_selector_arm_nacl): New class.
 140         (target_selector_arm, target_selector_armbe): Use it instead of
 141         Target_selector_arm.
 142
 143         * target-select.cc (select_target): Take new Input_file* and off_t
 144         arguments, pass them on to recognize method of selector.
 145         * object.cc (make_elf_sized_object): Update caller.
 146         * parameters.cc (parameters_force_valid_target): Likewise.
 147         * incremental.cc (make_sized_incremental_binary): Likewise.
 148         * target-select.h: Update decl.
 149         (Target_selector::recognize): Take new Input_file* argument,
 150         pass it on to do_recognize.
 151         (Target_selector::do_recognize): Take new Input_file* argument.
 152         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
 153         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
 154         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
 155         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
 156
 157         * target.h (Target::Target_info): New members isolate_execinstr
 158         and rosegment_gap.
 159         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
 160         * arm.cc (Target_arm::arm_info): Update initializer.
 161         * i386.cc (Target_i386::i386_info): Likewise.
 162         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
 163         * sparc.cc (Target_sparc::sparc_info): Likewise.
 164         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 165         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
 166         * layout.cc (Layout::attach_allocated_section_to_segment):
 167         Take new const Target* argument.  If target->isolate_execinstr(), act
 168         like --rosegment.
 169         (Layout::find_first_load_seg): Take new const Target* argument;
 170         if target->isolate_execinstr(), reject PF_X segments.
 171         (Layout::relaxation_loop_body): Update caller.
 172         (Layout::set_segment_offsets): If target->isolate_execinstr(),
 173         reset file offset to zero when we hit LOAD_SEG, and then do a second
 174         loop over the segments before LOAD_SEG to reassign offsets after
 175         addresses have been determined.  Handle target->rosegment_gap().
 176         (Layout::attach_section_to_segment): Take new const Target* argument;
 177         pass it to attach_allocated_section_to_segment.
 178         (Layout::make_output_section): Update caller.
 179         (Layout::attach_sections_to_segments): Take new const Target* argument;
 180         pass it to attach_section_to_segment.
 181         * gold.cc (queue_middle_tasks): Update caller.
 182         * layout.h (Layout): Update method decls with new arguments.
 183
 184         * arm.cc (Target_arm::Target_arm): Take optional argument for the
 185         Target_info pointer to use.
 186         (Target_arm::do_make_data_plt): New virtual method.
 187         (Target_arm::make_data_plt): New method that calls it.
 188         (Target_arm::make_plt_entry): Use it.
 189         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
 190         for the section alignment.
 191         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
 192         method.
 193         (Output_data_plt_arm::first_plt_entry_offset): Call it.
 194         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
 195         method.
 196         (Output_data_plt_arm::get_plt_entry_size): Call it.
 197         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
 198         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
 199         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
 200         method.
 201         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
 202         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
 203         method instead of sizeof(plt_entry).
 204         (Output_data_plt_arm::add_entry): Likewise.
 205         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
 206         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
 207         than static method.
 208         (Target_arm::plt_entry_size): Likewise.
 209         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
 210         Move to ...
 211         (Output_data_plt_arm_standard): ... here, new class.
 212         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
 213         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
 214         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
 215
 216         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
 217         Take additional argument for the PLT entry size.
 218         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
 219         Use get_plt_entry_size method rather than plt_entry_size variable.
 220         (Output_data_plt_x86_64::reserve_slot): Likewise.
 221         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
 222         (Output_data_plt_x86_64::add_entry): Likewise.
 223         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
 224         (Output_data_plt_x86_64::address_for_global): Likewise.
 225         (Output_data_plt_x86_64::address_for_local): Likewise.
 226         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 227         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
 228         Make method non-static.
 229         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
 230         method.
 231         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
 232         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
 233         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
 234         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
 235         virtual method.
 236         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
 237         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
 238         virtual method.
 239         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
 240         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
 241         virtual method.
 242         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
 243         (Output_data_plt_x86_64::plt_entry_size)
 244         (Output_data_plt_x86_64::first_plt_entry)
 245         (Output_data_plt_x86_64::plt_entry)
 246         (Output_data_plt_x86_64::tlsdesc_plt_entry)
 247         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
 248         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
 249         (Output_data_plt_x86_64_standard): ... here, new class.
 250         (Target_x86_64::Target_x86_64): Take optional argument for the
 251         Target_info pointer to use.
 252         (Target_x86_64::do_make_data_plt): New virtual method.
 253         (Target_x86_64::make_data_plt): New method to call it.
 254         (Target_x86_64::init_got_plt_for_update): Use that.
 255         Call this->plt_->add_eh_frame method here.
 256         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
 257         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
 258         rather than static method.
 259         (Target_x86_64::plt_entry_size): Likewise.
 260         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
 261         rather than plt_entry_size variable.  Move guts of PLT filling to...
 262         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
 263         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
 264         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
 265
 266         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
 267         additional argument for the section alignment.
 268         Don't do add_eh_frame_for_plt here.
 269         (Output_data_plt_i386::first_plt_entry_offset): Make the method
 270         non-static.  Use get_plt_entry_size method rather than plt_entry_size
 271         variable.
 272         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
 273         method.
 274         (Output_data_plt_i386::get_plt_entry_size): Call it.
 275         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
 276         (Output_data_plt_i386::add_eh_frame): New method to call it.
 277         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
 278         method.
 279         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
 280         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
 281         method.
 282         (Output_data_plt_i386::fill_plt_entry): New method to call it.
 283         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
 284         method instead of plt_entry_size.
 285         (Output_data_plt_i386::plt_entry_size)
 286         (Output_data_plt_i386::plt_eh_frame_fde_size)
 287         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
 288         (Output_data_plt_i386_standard): ... here, new class.
 289         (Output_data_plt_i386_exec): New class.
 290         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
 291         (Output_data_plt_i386_exec::first_plt_entry): ... here.
 292         (Output_data_plt_i386::exec_plt_entry): Move to ...
 293         (Output_data_plt_i386_exec::plt_entry): ... here.
 294         (Output_data_plt_i386_dyn): New class.
 295         (Output_data_plt_i386::first_plt_entry): Move to ...
 296         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
 297         (Output_data_plt_i386::dyn_plt_entry): Move to ...
 298         (Output_data_plt_i386_dyn::plt_entry): ... here.
 299         (Target_i386::Target_i386): Take optional argument for the Target_info
 300         pointer to use.
 301         (Target_i386::do_make_data_plt): New virtual method.
 302         (Target_i386::make_data_plt): New method to call it.
 303         (Target_i386::make_plt_section): Use that.
 304         Call this->plt_->add_eh_frame method here.
 305         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
 306         rather than plt_entry_size variable.
 307         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
 308         (Output_data_plt_i386::address_for_local): Likewise.
 309         (Output_data_plt_i386::do_write): Likewise.
 310         Move guts of PLT filling to...
 311         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
 312         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
 313         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
 314         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
 315
 316 2012-05-01  Cary Coutant  <ccoutant@google.com>
 317
 318         * dwarf_reader.cc (Dwarf_die::read_attributes)
 319         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
 320         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
 321         * reduced_debug_output.cc
 322         (Output_reduced_debug_info_section::get_die_end): Remove
 323         DW_FORM_GNU_ref_index.  Add default case.
 324
 325 2012-04-26  Mark Wielaard  <mjw@redhat.com>
 326
 327         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
 328         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
 329         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
 330         DW_AT_high_pc as offset from DW_AT_low_pc.
 331
 332         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
 333         * testsuite/Makefile.in: Regenerate.
 334         * testsuite/gdb_index_test_3.c: New test source file.
 335         * testsuite/gdb_index_test_3.sh: New test source file.
 336
 337 2012-04-25  Ian Lance Taylor  <iant@google.com>
 338
 339         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
 340         pointer.
 341         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
 342         as a class, not a struct.
 343         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
 344         (Target_arm::apply_cortex_a8_workaround): Likewise.
 345         * gc.h: Declare Reloc_types as a struct, not a class.
 346         * object.h: Declare Symbols_data as a struct.
 347         * reloc.h: Declare Read_relocs_data as a struct.
 348         * target.h: Declare Relocate_info as a struct.
 349
 350 2012-04-24  David S. Miller  <davem@davemloft.net>
 351
 352         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
 353         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
 354         and R_SPARC_WPLT30.
 355
 356 2012-04-24  Cary Coutant  <ccoutant@google.com>
 357
 358         * incremental-dump.cc (find_input_containing_global): Replace
 359         magic number with symbolic constant.
 360         (dump_incremental_inputs): Update version number.
 361         * incremental.cc (Output_section_incremental_inputs): Update version
 362         number; import symbolic constants from Incremental_inputs_reader.
 363         (Incremental_inputs::create_data_sections): Align relocations
 364         section correctly for 64-bit targets.
 365         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
 366         constants; add padding.
 367         (Output_section_incremental_inputs::write_header): Add assert for
 368         header_size.
 369         (Output_section_incremental_inputs::write_input_files): Add assert
 370         for input_entry_size.
 371         (Output_section_incremental_inputs::write_info_blocks): Add padding;
 372         add assert for object_info_size, input_section_entry_size,
 373         global_sym_entry_size.
 374         * incremental.h (Incremental_inputs_reader): Add symbolic constants
 375         for data structure sizes; use them.
 376         (Incremental_input_entry_reader): Import symbolic constants from
 377         Incremental_inputs_reader; use them.
 378
 379 2012-04-23  David S. Miller  <davem@davemloft.net>
 380
 381         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
 382         and elf_flags_set_.
 383         (Target_sparc::Target_sparc): Initialize new fields.
 384         (Target_sparc::do_make_elf_object): New function.
 385         (Target_sparc::do_adjust_elf_header): New function.
 386
 387 2012-04-23  Cary Coutant  <ccoutant@google.com>
 388
 389         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
 390         CU range table of gdb index.
 391
 392 2012-04-20  David S. Miller  <davem@davemloft.net>
 393
 394         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
 395         instead of false.
 396
 397 2012-04-16  David S. Miller  <davem@davemloft.net>
 398
 399         * sparc.cc (Target_sparc::got_address): New function.
 400         (Sparc_relocate_functions::gdop_hix22): New function.
 401         (Sparc_relocate_functions::gdop_lox10): New function.
 402         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
 403         relocs.
 404         (Target_sparc::Scan::local): Likewise if the global symbol is not
 405         preemptible and is not IFUNC.
 406         (Target_sparc::Relocate::relocate): Perform GOTDATA code
 407         transformations for local and non-preemptible non-IFUNC global
 408         symbols.
 409
 410         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
 411         writing out 64-bit part of ranges.
 412
 413         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
 414         -fpic and -fpie respectively.
 415         * Makefile.in: Regenerate.
 416
 417         * sparc.cc (class Target_sparc): Add rela_ifunc_.
 418         (Target_sparc::Target_sparc): Initialize new field.
 419         (Target_sparc::do_plt_section_for_global): New function.
 420         (Target_sparc::do_plt_section_for_local): New function.
 421         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
 422         (Target_sparc::make_plt_section): New function, broken out of
 423         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
 424         (Target_sparc::make_plt_entry): Call make_plt_section.
 425         (Target_sparc::make_local_ifunc_plt_entry): New function.
 426         (Target_sparc::rela_ifunc_section): New function.
 427         (Target_sparc::plt_section): Remove const.
 428         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
 429         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
 430         and ifunc_count_ fields.
 431         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
 432         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
 433         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
 434         (Output_data_plt_sparc::rela_ifunc): New function.
 435         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
 436         (Output_data_plt_sparc::has_ifunc_section): New function.
 437         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
 438         (Output_data_plt_sparc::address_for_global): New function.
 439         (Output_data_plt_sparc::address_for_local): New function.
 440         (Output_data_plt_sparc::plt_index_to_offset): New function.
 441         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
 442         and entry_count.
 443         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
 444         entry_count.
 445         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
 446         R_SPARC_JMP_IREL to switch.
 447         (Target_sparc::Scan::check_non_pic): Likewise.
 448         (Target_sparc::Scan::local): Handle IFUNC symbols.
 449         (Target_sparc::Scan::local): Likewise.
 450         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
 451         and plt_address_for_local.
 452         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
 453         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
 454
 455         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
 456         (class Output_data_reloc): Adjust calls to Output_reloc_type.
 457         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
 458         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
 459         global relocs too.
 460         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
 461         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
 462         calls.
 463         * sparc.cc (Target_sparc::Scan::global): Likewise.
 464         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 465
 466 2012-04-16  Cary Coutant  <ccoutant@google.com>
 467
 468         * archive.cc (Library_base::should_include_member): Check for
 469         --export-dynamic-symbol.
 470         * options.h (class General_options): Add --export-dynamic-symbol.
 471         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
 472         --export-dynamic-symbol.
 473         (Symbol_table::gc_mark_undef_symbols): Likewise.
 474         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
 475
 476 2012-04-12  David S. Miller  <davem@davemloft.net>
 477
 478         * sparc.cc (Reloc::wdisp10): New relocation method.
 479         (Reloc::h34): Likewise.
 480         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
 481         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
 482         R_SPARC_WDISP10.
 483         (Target_sparc::Scan::local): Likewise.
 484         (Target_sparc::Scan::global): Likewise.
 485         (Target_sparc::Relocate::relocate): Likewise.
 486
 487 2012-04-09  Cary Coutant  <ccoutant@google.com>
 488
 489         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
 490         low_pc == 0.
 491
 492 2012-04-06  Ian Lance Taylor  <iant@google.com>
 493
 494         * timer.cc: #include <unistd.h>.
 495
 496 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 497
 498         * configure.in (AC_CHECK_HEADERS): Add locale.h.
 499         * config.in: Regenerate.
 500         * configure: Regenerate.
 501
 502 2012-04-05  Nick Clifton  <nickc@redhat.com>
 503
 504         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
 505         (AM_LC_MESSAGES): Add.
 506         * aclocal.m4: Regenerate.
 507         * config.in: Regenerate.
 508         * configure: Regenerate.
 509
 510 2012-03-21  Cary Coutant  <ccoutant@google.com>
 511
 512         * Makefile.am: Add gdb-index.cc, gdb-index.h.
 513         * Makefile.in: Regenerate.
 514         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
 515         (Sized_elf_reloc_mapper::symbol_section): New function.
 516         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
 517         (make_elf_reloc_mapper): New function.
 518         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
 519         (Dwarf_abbrev_table::do_read_abbrevs): New function.
 520         (Dwarf_abbrev_table::do_get_abbrev): New function.
 521         (Dwarf_ranges_table::read_ranges_table): New function.
 522         (Dwarf_ranges_table::read_range_list): New function.
 523         (Dwarf_pubnames_table::read_section): New function.
 524         (Dwarf_pubnames_table::read_header): New function.
 525         (Dwarf_pubnames_table::next_name): New function.
 526         (Dwarf_die::Dwarf_die): New function.
 527         (Dwarf_die::read_attributes): New function.
 528         (Dwarf_die::skip_attributes): New function.
 529         (Dwarf_die::set_name): New function.
 530         (Dwarf_die::set_linkage_name): New function.
 531         (Dwarf_die::attribute): New function.
 532         (Dwarf_die::string_attribute): New function.
 533         (Dwarf_die::int_attribute): New function.
 534         (Dwarf_die::uint_attribute): New function.
 535         (Dwarf_die::ref_attribute): New function.
 536         (Dwarf_die::child_offset): New function.
 537         (Dwarf_die::sibling_offset): New function.
 538         (Dwarf_info_reader::check_buffer): New function.
 539         (Dwarf_info_reader::parse): New function.
 540         (Dwarf_info_reader::do_parse): New function.
 541         (Dwarf_info_reader::do_read_string_table): New function.
 542         (Dwarf_info_reader::lookup_reloc): New function.
 543         (Dwarf_info_reader::get_string): New function.
 544         (Dwarf_info_reader::visit_compilation_unit): New function.
 545         (Dwarf_info_reader::visit_type_unit): New function.
 546         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
 547         Sized_elf_reloc_mapper.
 548         (Sized_dwarf_line_info::symbol_section): Remove function.
 549         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
 550         (Sized_dwarf_line_info::read_line_mappings): Remove object
 551         parameter, adjust callers.
 552         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
 553         * dwarf_reader.h: Include <sys/types.h>.
 554         (class Track_relocs): Remove forward declaration.
 555         (class Elf_reloc_mapper): New class.
 556         (class Sized_elf_reloc_mapper): New class.
 557         (class Dwarf_abbrev_table): New class.
 558         (class Dwarf_range_list): New class.
 559         (class Dwarf_ranges_table): New class.
 560         (class Dwarf_pubnames_table): New class.
 561         (class Dwarf_die): New class.
 562         (class Dwarf_info_reader): New class.
 563         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
 564         (Sized_dwarf_line_info::symbol_section): Remove member function.
 565         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
 566         base class.
 567         * gdb-index.cc: New source file.
 568         * gdb-index.h: New source file.
 569         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
 570         and .debug_types sections, call Layout::add_to_gdb_index.
 571         (Sized_relobj_incr::do_section_name): Implement.
 572         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
 573         return type; Implement.
 574         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 575         return type.
 576         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 577         parameter list and return type.
 578         (Sized_incr_dynobj::do_section_contents): Likewise.
 579         * layout.cc: Include gdb-index.h.
 580         (Layout::Layout): Initialize gdb_index_data_.
 581         (Layout::init_fixed_output_section): Check for .gdb_index section.
 582         (Layout::add_to_gdb_index): New function. Instantiate.
 583         * layout.h: Add forward declaration for class Gdb_index.
 584         (Layout::add_to_gdb_index): New member function.
 585         (Layout::gdb_index_data_): New data member.
 586         * main.cc: Include gdb-index.h.
 587         (main): Print statistics for gdb index.
 588         * object.cc (Object::section_contents): Move code into
 589         do_section_contents.
 590         (need_decompressed_section): Check for sections needed when building
 591         gdb index.
 592         (build_compressed_section_map): Likewise.
 593         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 594         gdb index.
 595         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 596         sections; call Layout::add_to_gdb_index.
 597         (Sized_relobj_file::do_decompressed_section_contents): Call
 598         do_section_contents directly.
 599         * object.h (Object::do_section_contents): Adjust parameter list and
 600         return type.
 601         (Object::do_decompressed_section_contents): Call do_section_contents
 602         directly.
 603         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 604         return type.
 605         * options.h (class General_options): Add --gdb-index option.
 606         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 607         list and return type.
 608         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 609         * reloc.h (Track_relocs::checkpoint): New function.
 610         (Track_relocs::reset): New function.
 611
 612         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 613         New test cases.
 614         * testsuite/Makefile.in: Regenerate.
 615         * testsuite/gdb_index_test.cc: New test source file.
 616         * testsuite/gdb_index_test_1.sh: New test source file.
 617         * testsuite/gdb_index_test_2.sh: New test source file.
 618
 619 2012-03-19  Doug Kwan  <dougkwan@google.com>
 620
 621         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 622         (Target_arm::do_finalize_sections): Remove code which defines
 623         __exidx_start and __exidx_end.  Make symbol table parameter
 624         anonymous as it is not used.
 625         * gold.cc (queue_middle_tasks): Call target hook to define any
 626         target-specific symbols.
 627         * target.h (Target::define_standard_symbols): New method.
 628         (Target::do_define_standard_symbols): Same.
 629         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 630         * testsuite/Makefile.in: Regenerate.
 631         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 632         and __exidx_end.
 633         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 634         relocations are generated for __exidx_start and __exidx_end.
 635
 636 2012-03-16  Doug Kwan  <dougkwan@google.com>
 637
 638         * testsuite/Makefile.am: Disable test initpri3b.
 639         * testsuite/Makefile.in: Regenerate.
 640
 641 2012-03-15  Doug Kwan  <dougkwan@google.com>
 642
 643         * arm.cc (Target_arm::got_section): Make .got section read-only
 644         if -z now is given.
 645
 646 2012-03-15  Ian Lance Taylor  <iant@google.com>
 647
 648         PR gold/13850
 649         * layout.cc (Layout::make_output_section): Correctly mark
 650         SHT_INIT_ARRAY, et. al., as relro.
 651
 652 2012-03-14  Doug Kwan  <dougkwan@google.com>
 653
 654         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 655         dynamic relocations for protected symbols in shared objects.
 656
 657 2012-03-13  Ian Lance Taylor  <iant@google.com>
 658
 659         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 660         keep the larger alignment.
 661
 662 2012-03-12  Cary Coutant  <ccoutant@google.com>
 663
 664         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 665         handling of DW_LNE_define_file.
 666
 667 2012-03-12  Cary Coutant  <ccoutant@google.com>
 668
 669         * reduced_debug_output.cc
 670         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 671         codes to switch.
 672
 673 2012-02-29  Cary Coutant  <ccoutant@google.com>
 674
 675         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 676
 677 2012-02-29  Cary Coutant  <ccoutant@google.com>
 678
 679         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 680         Call Object::decompressed_section_contents.
 681         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 682         New dtor.
 683         (Sized_dwarf_line_info::buffer_start_): New data member.
 684         * merge.cc (Output_merge_data::do_add_input_section): Call
 685         Object::decompressed_section_contents.
 686         (Output_merge_string::do_add_input_section): Likewise.
 687         * object.cc (need_decompressed_section): New function.
 688         (build_compressed_section_map): Decompress sections needed later.
 689         (Sized_relobj_file::do_decompressed_section_contents): New function.
 690         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 691         * object.h (Object::decompressed_section_contents): New function.
 692         (Object::discard_decompressed_sections): New function.
 693         (Object::do_decompressed_section_contents): New function.
 694         (Object::do_discard_decompressed_sections): New function.
 695         (Compressed_section_info): New type.
 696         (Compressed_section_map): Include decompressed section contents.
 697         (Sized_relobj_file::do_decompressed_section_contents): New function.
 698         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 699
 700 2012-02-16  Cary Coutant  <ccoutant@google.com>
 701
 702         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 703         * testsuite/Makefile.in: Regenerate.
 704
 705 2012-02-14  Cary Coutant  <ccoutant@google.com>
 706
 707         * options.cc (General_options::finalize): Disallow -pie and -static.
 708
 709 2012-02-03  Doug Kwan  <dougkwan@google.com>
 710
 711         * arm.cc (Arm_relocate_functions::abs8,
 712         Arm_relocate_functions::abs16): Use
 713         Bits::has_signed_unsigned_overflow32.
 714         (Arm_relocate_functions::thm_abs8): Correct range of
 715         overflow check.
 716         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 717         in assertions.
 718
 719 2012-02-02  Doug Kwan  <dougkwan@google.com>
 720
 721         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 722         position independent outputs, not just shared objects.
 723
 724 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 725
 726         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 727         * configure: Regenerated.
 728
 729 2012-01-27  Ian Lance Taylor  <iant@google.com>
 730
 731         * reloc.h (Bits): New class with static functions, copied from
 732         namespace utils in arm.cc.
 733         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 734         instead.
 735
 736 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 737
 738         * incremental.cc (write_info_blocks): Correct relocation offset.
 739
 740 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 741
 742         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 743         (Relocate::tls_gd_to_le): Likewise.
 744
 745 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 746
 747         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 748
 749 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 750
 751         * configure.ac: Check if -mcmodel=medium works.
 752         * configure: Regenerated.
 753
 754 2012-01-24  Cary Coutant  <ccoutant@google.com>
 755
 756         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 757         definition and ...
 758         (read_unsigned_LEB_128_x): ... this new function.
 759         (read_signed_LEB_128): Replaced with inline definition and ...
 760         (read_signed_LEB_128_x): ... this new function.
 761         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 762         (read_unsigned_LEB_128): Add inline definition.
 763         (read_signed_LEB_128_x): New function.
 764         (read_signed_LEB_128): Add inline definition.
 765         * testsuite/Makefile.am (leb128_unittest): New unit test.
 766         * testsuite/Makefile.in: Regenerate.
 767         * testsuite/leb128_unittest.cc: New unit test.
 768
 769 2012-01-23  Ian Lance Taylor  <iant@google.com>
 770
 771         PR gold/13617
 772         * i386.cc (Target_i386::do_code_fill): When using a jmp
 773         instruction, pad with nop instructions.
 774         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 775
 776 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 777
 778         * x86_64.cc (gc_process_relocs): Add typename on types used in
 779         template.
 780         (scan_relocs): Likewise.
 781         (relocate_section): Likewise.
 782         (apply_relocation): Likewise.
 783
 784 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 785
 786         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 787         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 788         under x32.
 789
 790 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 791
 792         * x86_64.cc: Initial support for x32.
 793
 794 2012-01-03  Cary Coutant  <ccoutant@google.com>
 795
 796         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 797         Use abstract base class for GOT.
 798         * gold/output.h (class Output_data_got_base): New abstract base class.
 799         (class Output_data_got): Derive from new base class, adjust ctors.
 800         (Output_data_got::reserve_slot): Make virtual; rename to
 801         do_reserve_slot; Adjust callers.
 802         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 803         pointer to abstract base class.
 804         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 805
 806 2011-12-18  Ian Lance Taylor  <iant@google.com>
 807
 808         * object.h (Relobj::local_symbol_value): New function.
 809         (Relobj::local_plt_offset): New function.
 810         (Relobj::local_has_got_offset): New function.
 811         (Relobj::local_got_offset): New function.
 812         (Relobj::set_local_got_offset): New function.
 813         (Relobj::do_local_symbol_value): New pure virtual function.
 814         (Relobj::do_local_plt_offset): Likewise.
 815         (Relobj::do_local_has_got_offset): Likewise.
 816         (Relobj::do_local_got_offset): Likewise.
 817         (Relobj::do_set_local_got_offset): Likewise.
 818         (Sized_relobj::do_local_has_got_offset): Rename from
 819         local_has_got_offset.
 820         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 821         (Sized_relobj::do_set_local_got_offset): Rename from
 822         set_local_got_offset.
 823         (Sized_relobj_file::do_local_plt_offset): Rename from
 824         local_plt_offset.
 825         (Sized_relobj_file::do_local_symbol_value): New function.
 826         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 827         local_plt_offset.
 828         * output.cc (Output_data_got::Got_entry::write): Change object to
 829         Relobj.  Use local_symbol_value.
 830         (Output_data_got::add_global_with_rel): Change rel_dyn to
 831         Output_data_reloc_generic*.  Use add_global_generic.
 832         (Output_data_got::add_global_with_rela): Remove.  Change all
 833         callers to use add_global_with_rel.
 834         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 835         Output_data_reloc_generic*.  Use add_global_generic.
 836         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 837         callers to use add_global_pair_with_rel.
 838         (Output_data_got::add_local): Change object to Relobj*.
 839         (Output_data_got::add_local_plt): Likewise.
 840         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 841         change rel_dyn to Output_data_reloc_generic*.  Use
 842         add_local_generic.
 843         (Output_data_got::add_local_with_rela): Remove.  Change all
 844         callers to use all_local_with_rel.
 845         (Output_data_got::add_local_pair_with_rel): Change object to
 846         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 847         add_output_section_generic.
 848         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 849         callers to use add_local_pair_with_rel.
 850         (Output_data_got::reserve_local): Change object to Relobj*.
 851         * output.h: (class Output_data_reloc_generic): Add pure virtual
 852         declarations for add_global_generic, add_local_generic,
 853         add_output_section_generic.
 854         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 855         functions for Output_data_reloc_generic.  Update declarations for
 856         changes listed in output.cc.
 857         (class Output_data_got): Change template parameter to got_size.
 858         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 859         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 860         function.
 861         (Sized_relobj_incr::do_local_plt_offset): New function.
 862         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 863         add_global_generic.
 864
 865 2011-12-17  Cary Coutant  <ccoutant@google.com>
 866
 867         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 868         * resolve.cc (Symbol_table::resolve): Likewise.
 869         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 870         arrays.
 871         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 872
 873 2011-12-16  Ian Lance Taylor  <iant@google.com>
 874
 875         * output.h (Output_data_reloc_generic::add): Only call
 876         add_dynamic_reloc if this is a dynamic reloc section.
 877
 878 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 879
 880         PR gold/13505
 881         * target-reloc.h (apply_relocation): Replace <64, false> with
 882         <size, big_endian>.
 883
 884 2011-11-25  Nick Clifton  <nickc@redhat.com>
 885
 886         * po/it.po: New Italian translation.
 887
 888 2011-11-17  Sterling Augustine  <saugustine@google.com>
 889
 890         * script.cc (script_include_directive): Implement.
 891         (read_script_file): New local variables name and search_path. Update
 892         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 893         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 894         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 895
 896 2011-11-11  Sterling Augustine  <saugustine@google.com>
 897
 898         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 899         (file_or_sections_cmd): Likewise.
 900
 901 2011-11-11  Doug Kwan  <dougkwan@google.com>
 902
 903         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 904         if --just-symbols is given.
 905
 906 2011-11-10  Doug Kwan  <dougkwan@google.com>
 907
 908         PR gold/13362
 909         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 910         when processing data relocs.
 911         * reloc.h (Relocate_functions::rel_unaligned): New method.
 912         (Relocate_functions::pcrel_unaligned): Ditto.
 913         (Relocate_functions::rel32_unaligned): Ditto.
 914         (Relocate_functions::pcrel32_unaligned): Ditto.
 915
 916 2011-11-09  Doug Kwan  <dougkwan@google.com>
 917
 918         PR gold/13362
 919         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 920         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 921         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 922         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 923         (Relocate_functions::rel_unaligned): New.
 924         (Relocate_functions::rel32_unaligned): New.
 925         * target-reloc.h (relocate_for_relocatable): Add code to handle
 926         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 927         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 928         arm_unaligned_reloc_r): New targets.
 929         * testsuite/Makefile.in: Regenerate.
 930         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 931         linking.
 932
 933 2011-11-02  Ian Lance Taylor  <iant@google.com>
 934
 935         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 936         NATIVE_LINKER.
 937         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 938         * options.cc (General_options::finalize): Use library search path
 939         from configure script if specified.  If not native and no sysroot,
 940         only search TOOLLIBDIR.
 941         * options.h (Search_directory::Search_directory): Change name to
 942         const std::string&.
 943         (General_options::add_to_library_path_with_sysroot): Change arg to
 944         const std::string&.
 945         * configure, Makefile.in, config.in: Rebuild.
 946
 947 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 948
 949         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 950         we are working around the ARM1176 Erratum.
 951         * options.h (General_options::fix_arm1176): Add option.
 952         * testsuite/Makefile.am: Add testcases, and keep current ones
 953         working.
 954         * testsuite/Makefile.in: Regenerate.
 955         * testsuite/arm_fix_1176.s: New file.
 956         * testsuite/arm_fix_1176.sh: Likewise.
 957
 958 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 959
 960         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 961         may_use_blx_.
 962         (Target_arm::may_use_blx): Remove method.
 963         (Target_arm::set_may_use_blx): Likewise.
 964         (Target_arm::may_use_v4t_interworking): New method.
 965         (Target_arm::may_use_v5t_interworking): Likewise.
 966         (Target_arm::may_use_blx_): Remove member variable.
 967         (Arm_relocate_functions::arm_branch_common): Check for v5T
 968         interworking.
 969         (Arm_relocate_functions::thumb_branch_common): Likewise.
 970         (Reloc_stub::stub_type_for_reloc): Likewise.
 971         (Target_arm::do_finalize_sections): Correct interworking checks.
 972         * testsuite/Makefile.am: Add new tests.
 973         * testsuite/Makefile.in: Regenerate.
 974         * testsuite/arm_farcall_arm_arm.s: New test.
 975         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 976         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 977         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 978         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 979         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 980         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 981         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 982
 983 2011-10-31  Cary Coutant  <ccoutant@google.com>
 984
 985         PR gold/13023
 986         * expression.cc (Expression::eval_with_dot): Add
 987         is_section_dot_assignment parameter.
 988         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 989         absolute and assigning to dot within a section.
 990         * script-sections.cc
 991         (Output_section_element_assignment::set_section_addresses): Pass
 992         dot_section to set_if_absolute.
 993         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 994         as is_section_dot_assignment flag to eval_with_dot.
 995         (Output_section_element_dot_assignment::set_section_addresses):
 996         Likewise.
 997         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 998         parameter.  Also set value if relative to dot_section; set the
 999         symbol's output_section.
1000         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1001         parameter.  Adjust all callers.
1002         (Expression::eval_maybe_dot): Likewise.
1003         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1004         Adjust all callers.
1005         * testsuite/script_test_2.t: Test assignment of an absolute value
1006         to dot within an output section element.
1007
1008 2011-10-31  Cary Coutant  <ccoutant@google.com>
1009
1010         * options.h (class General_options): Add --[no-]gnu-unique options.
1011         * symtab.cc (Symbol_table::sized_write_globals): Convert
1012         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1013
1014 2011-10-31  Cary Coutant  <ccoutant@google.com>
1015
1016         PR gold/13359
1017         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1018         unnecessary assertion.
1019         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1020
1021 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1022
1023         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1024         gc_mark_symbol.
1025         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1026         gc_mark_symbol.
1027         Change to just keep the section associated with symbol.
1028         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1029         they are externally visible and --export-dynamic is turned on.
1030         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1031
1032 2011-10-19  Ian Lance Taylor  <iant@google.com>
1033
1034         PR gold/13163
1035         * script-sections.cc
1036         (Output_section_element_dot_assignment::needs_output_section): New
1037         function.
1038
1039 2011-10-19  Ian Lance Taylor  <iant@google.com>
1040
1041         PR gold/13204
1042         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1043         --section-start option was seen.
1044         * options.h (General_options::any_section_start): New function.
1045
1046 2011-10-18  David S. Miller  <davem@davemloft.net>
1047
1048         PR binutils/13301
1049         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1050         member to track relocation locations that have moved during TLS
1051         reloc optimizations.
1052         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1053         (Target_sparc::Relocate::relocate): Adjust view down by 4
1054         bytes if it matches reloc_adjust_addr_.
1055         (Target_sparc::Relocate::relocate_tls): Always move the
1056         __tls_get_addr call delay slot instruction forward 4 bytes when
1057         performing relaxation.
1058
1059 2011-10-18  Cary Coutant  <ccoutant@google.com>
1060
1061         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1062         (Output_file::map_no_anonymous): Check for non-zero
1063         return code from posix_fallocate.
1064
1065 2011-10-17  Cary Coutant  <ccoutant@google.com>
1066
1067         PR gold/13245
1068         * plugin.cc (is_visible_from_outside): Check for symbols
1069         referenced from dynamic objects.
1070         * resolve.cc (Symbol_table::resolve): Don't count references
1071         from dynamic objects as references from real ELF files.
1072         * testsuite/plugin_test_2.sh: Adjust expected result.
1073
1074 2011-10-17  Cary Coutant  <ccoutant@google.com>
1075
1076         * gold.cc: Include timer.h.
1077         (queue_middle_tasks): Stamp time.
1078         (queue_final_tasks): Likewise.
1079         * main.cc (main): Store timer in parameters.  Print timers
1080         for each pass.
1081         * parameters.cc (Parameters::Parameters): Initialize timer_.
1082         (Parameters::set_timer): New function.
1083         (set_parameters_timer): New function.
1084         * parameters.h (Parameters::set_timer): New function.
1085         (Parameters::timer): New function.
1086         (Parameters::timer_): New data member.
1087         (set_parameters_timer): New function.
1088         * timer.cc (Timer::stamp): New function.
1089         (Timer::get_pass_time): New function.
1090         * timer.h (Timer::stamp): New function.
1091         (Timer::get_pass_time): New function.
1092         (Timer::pass_times_): New data member.
1093
1094 2011-10-17  Cary Coutant  <ccoutant@google.com>
1095
1096         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1097         task for members of lib groups.
1098
1099 2011-10-17  Cary Coutant  <ccoutant@google.com>
1100
1101         PR gold/13288
1102         * fileread.cc (File_read::find_view): Add assert.
1103         (File_read::make_view): Move bounds check (replace with assert)...
1104         (File_read::find_or_make_view): ... to here.
1105
1106 2011-10-12  Cary Coutant  <ccoutant@google.com>
1107
1108         * output.cc (Output_file::open_base_file): Handle case where
1109         ::read returns less than requested size.
1110
1111 2011-10-10  Cary Coutant  <ccoutant@google.com>
1112
1113         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1114         Initialize defined_count_.
1115         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1116         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1117         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1118         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1119         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1120         * incremental.h (Sized_relobj_incr::defined_count_): New data
1121         member.
1122         (Sized_incr_dynobj::defined_count_): New data member.
1123         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1124         Return zeroes instead of internal error.
1125
1126 2011-10-10  Cary Coutant  <ccoutant@google.com>
1127
1128         PR gold/13249
1129         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1130         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1131         * output.h (class Output_reloc): Add use_plt_offset flag.
1132         (Output_reloc::type_): Adjust size of bit field.
1133         (Output_reloc::use_plt_offset_): New bit field.
1134         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1135         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1136         flag.  Adjust all callers.
1137         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1138         creating RELATIVE relocations.
1139
1140 2011-10-10  Nick Clifton  <nickc@redhat.com>
1141
1142         * po/es.po: Updated Spanish translation.
1143         * po/fi.po: Updated Finnish translation.
1144
1145 2011-10-03   Diego Novillo  <dnovillo@google.com>
1146
1147         * options.cc (parse_uint): Fix dereference of RETVAL.
1148
1149 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1150
1151         * layout.h (section_order_map_): New member.
1152         (get_section_order_map): New member function.
1153         * output.cc (Output_section::add_input_section): Check for patterns
1154         only when --section-ordering-file is specified.
1155         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1156         output_sections have been formed.
1157         * layout.cc (Layout_Layout): Initialize section_order_map_.
1158         * plugin.cc (update_section_order): Store order in order_map. Do not
1159         update the order.
1160         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1161         * testsuite/Makefile.in: Regenerate.
1162         * testsuite/plugin_section_order.c: New file.
1163         * testsuite/plugin_final_layout.cc: New file.
1164         * testsuite/plugin_final_layout.sh: New file.
1165
1166 2011-09-29  Cary Coutant  <ccoutant@google.com>
1167
1168         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1169         Check for NULL.
1170         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1171         symbols during incremental update.
1172         (Symbol_table::add_from_dynobj): Likewise.
1173
1174 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1175             Ian Lance Taylor  <iant@google.com>
1176
1177         * symtab.cc (Symbol_table::define_special_symbol): Always
1178         canonicalize version string.
1179
1180 2011-09-26  Cary Coutant  <ccoutant@google.com>
1181
1182         * gold.cc (queue_initial_tasks): Move option checks ...
1183         * options.cc (General_options::finalize): ... to here. Disable
1184         some options; make others fatal.
1185
1186 2011-09-26  Cary Coutant  <ccoutant@google.com>
1187
1188         gcc PR lto/47247
1189         * plugin.cc (get_symbols_v2): New function.
1190         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1191         (is_referenced_from_outside): New function.
1192         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1193         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1194         (get_symbols): Pass version parameter.
1195         (get_symbols_v2): New function.
1196         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1197         parameter.
1198         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1199         (onload): Add LDPT_GET_SYMBOLS_V2.
1200         (all_symbols_read_hook): Use get_symbols_v2; check for
1201         LDPR_PREVAILING_DEF_IRONLY_EXP.
1202         * testsuite/plugin_test_3.sh: Update expected results.
1203
1204 2011-09-23  Simon Baldwin  <simonb@google.com>
1205
1206         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1207         configuration options.
1208         * configure: Regenerate.
1209         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1210         * Makefile.in: Regenerate.
1211         * testsuite/Makefile.in: Regenerate.
1212
1213 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1214
1215         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1216
1217 2011-09-19  Cary Coutant  <ccoutant@google.com>
1218
1219         * incremental.cc (can_incremental_update): Fix typo in comment.
1220         * incremental.h (can_incremental_update): Likewise.
1221
1222 2011-09-18  Cary Coutant  <ccoutant@google.com>
1223
1224         * incremental.cc (can_incremental_update): New function.
1225         * incremental.h (can_incremental_update): New function.
1226         * layout.cc (Layout::init_fixed_output_section): Call it.
1227         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1228         * object.cc (Sized_relobj_file::do_layout): Call
1229         can_incremental_update.
1230
1231 2011-09-13  Cary Coutant  <ccoutant@google.com>
1232
1233         * configure.ac: Check for glibc support for gnu_indirect_function
1234         support with static linking, setting automake conditional
1235         IFUNC_STATIC.
1236         * Makefile.in: Regenerate.
1237         * configure: Regenerate.
1238
1239         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1240         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1241         for IFUNC_STATIC.
1242         * testsuite/Makefile.in: Regenerate.
1243
1244 2011-09-13  Cary Coutant  <ccoutant@google.com>
1245
1246         * incremental.cc (Sized_relobj_incr::do_layout): Call
1247         report_comdat_group for kept comdat sections.
1248         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1249         * testsuite/Makefile.in: Regenerate.
1250         * testsuite/incr_comdat_test_1.cc: New source file.
1251         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1252         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1253         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1254
1255 2011-09-13  Ian Lance Taylor  <iant@google.com>
1256
1257         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1258         variable external_symbols_offset.
1259
1260 2011-09-12  Ian Lance Taylor  <iant@google.com>
1261
1262         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1263         triggered if object has no symbols.
1264
1265 2011-09-09  David S. Miller  <davem@davemloft.net>
1266
1267         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1268         (Output_fill_debug_line::do_write): Likewise.
1269
1270 2011-08-29  Cary Coutant  <ccoutant@google.com>
1271
1272         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1273         casts to match formatting specs.
1274         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1275
1276 2011-08-26  Cary Coutant  <ccoutant@google.com>
1277
1278         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1279         remaining hole size when allocating.
1280         (Layout::make_output_section): Set fill methods for debug sections.
1281         * layout.h (Free_list::Free_list_node): Move from private to
1282         public.
1283         (Free_list::set_min_hole_size): New function.
1284         (Free_list::begin, Free_list::end): New functions.
1285         (Free_list::min_hole_): New data member.
1286         * output.cc: Include dwarf.h.
1287         (Output_fill_debug_info::do_minimum_hole_size): New function.
1288         (Output_fill_debug_info::do_write): New function.
1289         (Output_fill_debug_line::do_minimum_hole_size): New function.
1290         (Output_fill_debug_line::do_write): New function.
1291         (Output_section::Output_section): Initialize new data member.
1292         (Output_section::set_final_data_size): Ensure patch space is larger
1293         than minimum hole size.
1294         (Output_section::do_write): Fill holes in debug sections.
1295         * output.h (Output_fill): New class.
1296         (Output_fill_debug_info): New class.
1297         (Output_fill_debug_line): New class.
1298         (Output_section::set_free_space_fill): New function.
1299         (Output_section::free_space_fill_): New data member.
1300         * testsuite/Makefile.am (incremental_test_3): Add
1301         --incremental-patch option.
1302         (incremental_test_4): Likewise.
1303         (incremental_test_5): Likewise.
1304         (incremental_test_6): Likewise.
1305         (incremental_copy_test): Likewise.
1306         (incremental_common_test_1): Likewise.
1307         * testsuite/Makefile.in: Regenerate.
1308
1309 2011-08-26  Nick Clifton  <nickc@redhat.com>
1310
1311         * po/es.po: Updated Spanish translation.
1312
1313 2011-08-01  Cary Coutant  <ccoutant@google.com>
1314
1315         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
1316         * gold/testsuite/Makefile.in: Regenerate.
1317         * gold/testsuite/justsyms_exec.c: New source file.
1318         * gold/testsuite/justsyms_lib.c: New source file.
1319
1320 2011-08-01  Cary Coutant  <ccoutant@google.com>
1321
1322         * layout.cc (Layout::set_segment_offsets): Don't realign text
1323         segment if -Ttext was specified.
1324         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1325         file type.
1326         * object.h (Sized_relobj_file::e_type): New function.
1327         (Sized_relobj_file::e_type_): New data member.
1328         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1329         base address for ET_EXEC files.
1330         * target.cc (Target::do_make_elf_object_implementation): Allow
1331         ET_EXEC files with --just-symbols option.
1332
1333 2011-07-28  Cary Coutant  <ccoutant@google.com>
1334
1335         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1336         Add thread_number parameter.
1337         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1338         * workqueue-threads.cc
1339         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1340         current thread if its thread number is greater than desired thread
1341         count.
1342         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1343         Add thread_number parameter.
1344         (Workqueue::should_cancel_thread): Likewise.
1345         (Workqueue::find_runnable_or_wait): Pass thread_number to
1346         should_cancel_thread.
1347         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1348         parameter.
1349
1350 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1351
1352         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1353         only after checking if it cannot be forced local.
1354         * symtab.h (is_externally_visible): Check if the symbol is not forced
1355         local.
1356
1357 2011-07-15  Ian Lance Taylor  <iant@google.com>
1358
1359         * options.h (class General_options): Add --print-output-format.
1360         Move -EL next to -EB, for  better --help output.
1361         * target-select.cc: Include <cstdio>, "options.h", and
1362         "parameters.h".
1363         (Target_selector::do_target_bfd_name): New function.
1364         (print_output_format): New function.
1365         * target-select.h (class Target_selector): Update declarations.
1366         (Target_selector::target_bfd_name): New function.
1367         (print_output_format): Declare.
1368         * main.cc: Include "target-select.h".
1369         (main): Handle --print-output-format.
1370         * gold.cc: Include "target-select.h".
1371         (queue_initial_tasks): Handle --print-output-format when there are
1372         no input files.
1373         * parameters.cc (parameters_force_valid_target): Give a better
1374         error message if -EB/-EL does not match target.
1375         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
1376         function.
1377
1378 2011-07-15  Ian Lance Taylor  <iant@google.com>
1379
1380         * i386.cc (class Output_data_plt_i386): Add layout_ field.
1381         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
1382         (Output_data_plt_i386::do_write): Write address of .dynamic
1383         section to first entry in .got.plt section.
1384         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
1385         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1386         Initialize layout_.
1387         (Output_data_plt_x86_64::do_write): Write address of .dynamic
1388         section to first entry in .got.plt section.
1389         * layout.h (Layout::dynamic_section): New function.
1390
1391 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
1392
1393         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
1394         to claim_file call.
1395         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1396         input_section_position_, and input_section_glob_.
1397         (read_layout_from_file): Call function section_ordering_specified.
1398         * layout.h (is_section_ordering_specified): New function.
1399         (section_ordering_specified): New function.
1400         (section_ordering_specified_): New boolean member.
1401         * main.cc(main): Call load_plugins after layout object is defined.
1402         * output.cc (Output_section::add_input_section): Use
1403         function section_ordering_specified to check if section ordering is
1404         needed.
1405         * output.cc (Output_section::add_relaxed_input_section): Use
1406         function section_ordering_specified to check if section ordering is
1407         needed.
1408         (Output_section::update_section_layout): New function.
1409         (Output_section::sort_attached_input_sections): Check if input section
1410         must be reordered.
1411         * output.h (Output_section::update_section_layout): New function.
1412         * plugin.cc (get_section_count): New function.
1413         (get_section_type): New function.
1414         (get_section_name): New function.
1415         (get_section_contents): New function.
1416         (update_section_order): New function.
1417         (allow_section_ordering): New function.
1418         (Plugin::load): Add the new interfaces to the transfer vector.
1419         (Plugin_manager::load_plugins): New parameter.
1420         (Plugin_manager::all_symbols_read): New parameter.
1421         (Plugin_manager::claim_file): New parameter. Save the elf object for
1422         unclaimed objects.
1423         (Plugin_manager::get_elf_object): New function.
1424         (Plugin_manager::get_view): Change to directly use the bool to check
1425         if get_view is called from claim_file_hook.
1426         * plugin.h (input_objects): New function
1427         (Plugin__manager::load_plugins): New parameter.
1428         (Plugin_manager::claim_file): New parameter.
1429         (Plugin_manager::get_elf_object): New function.
1430         (Plugin_manager::in_claim_file_handler): New function.
1431         (Plugin_manager::in_claim_file_handler_): New member.
1432         (layout): New function.
1433         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1434         handler with an extra parameter. Make the elf object before calling
1435         claim_file handler.
1436         * testsuite/plugin_test.c (get_section_count): New function pointer.
1437         (get_section_type): New function pointer.
1438         (get_section_name): New function pointer.
1439         (get_section_contents): New function pointer.
1440         (update_section_order): New function pointer.
1441         (allow_section_ordering): New function pointer.
1442         (onload): Check if the new interfaces exist.
1443
1444 2011-07-13  Ian Lance Taylor  <iant@google.com>
1445
1446         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1447         relro section.
1448         * x86_64.cc (Target_x86_64::got_section): Likewise.
1449         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1450         (relro_now_test_SOURCES): New variable.
1451         (relro_now_test_DEPENDENCIES): New variable.
1452         (relro_now_test_LDFLAGS): New variable.
1453         (relro_now_test_LDADD): New variable.
1454         (relro_now_test.so): New target.
1455         * testsuite/Makefile.in: Rebuild.
1456
1457 2011-07-12  Ian Lance Taylor  <iant@google.com>
1458
1459         PR gold/12980
1460         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1461         GLOB_DAT relocation rather than a RELATIVE relocation for a
1462         protected symbol when creating a shared library.
1463         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1464         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1465         * testsuite/protected_main_1.cc (main): Test that protected
1466         function has same address.
1467
1468 2011-07-11  Ian Lance Taylor  <iant@google.com>
1469
1470         PR gold/12979
1471         * options.h (class General_options): Add -Bgroup.
1472         * options.cc (General_options::finalize): If -Bgroup is set,
1473         default to --unresolved-symbols=report-all.
1474         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1475         * target-reloc.h (issue_undefined_symbol_error): Handle
1476         --unresolved-symbols=report-all.
1477
1478 2011-07-08  Ian Lance Taylor  <iant@google.com>
1479
1480         PR gold/11985
1481         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1482         if linker script discards key sections.
1483         (Layout::create_dynamic_symtab): Likewise.
1484         (Layout::assign_local_dynsym_offsets): Likewise.
1485         (Layout::sized_create_version_sections): Likewise.
1486         (Layout::create_interp): Likewise.
1487         (Layout::finish_dynamic_section): Likewise.
1488         (Layout::set_dynamic_symbol_size): Likewise.
1489
1490 2011-07-08  Ian Lance Taylor  <iant@google.com>
1491
1492         PR gold/12386
1493         * options.h (class General_options): Add --unresolved-symbols.
1494         * target-reloc.h (issue_undefined_symbol_error): Check
1495         --unresolved-symbols.  Add comments.
1496
1497 2011-07-08  Ian Lance Taylor  <iant@google.com>
1498
1499         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1500         expression more complex.
1501
1502 2011-07-08  Ian Lance Taylor  <iant@google.com>
1503
1504         PR gold/11317
1505         * target-reloc.h (issue_undefined_symbol_error): New inline
1506         function, broken out of relocate_section.
1507         (relocate_section): Call issue_undefined_symbol_error.
1508         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1509         there is no TLS segment if we are about to issue an undefined
1510         symbol error.
1511         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1512
1513 2011-07-08  Ian Lance Taylor  <iant@google.com>
1514
1515         PR gold/12279
1516         * resolve.cc (Symbol_table::should_override): Add fromtype
1517         parameter.  Change all callers.  Give error when linking together
1518         TLS and non-TLS symbol.
1519         (Symbol_table::should_override_with_special): Add fromtype
1520         parameter.  Change all callers.
1521         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1522         there is no TLS segment if we have reported some errors.
1523         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1524
1525 2011-07-08  Ian Lance Taylor  <iant@google.com>
1526
1527         PR gold/12372
1528         * target.h (Target::plt_address_for_global): New function.
1529         (Target::plt_address_for_local): New function.
1530         (Target::plt_section_for_global): Remove.
1531         (Target::plt_section_for_local): Remove.
1532         (Target::do_plt_address_for_global): New virtual function.
1533         (Target::do_plt_address_for_local): New virtual function.
1534         (Target::do_plt_section_for_global): Remove.
1535         (Target::do_plt_section_for_local): Remove.
1536         (Target::register_global_plt_entry): Add Symbol_table and Layout
1537         parameters.
1538         * output.cc (Output_data_got::Got_entry::write): Use
1539         plt_address_for_global and plt_address_for_local.
1540         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1541         address of output section.
1542         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1543         got_irelative_, and irelative_count_ fields.  Update
1544         declarations.
1545         (Output_data_plt_i386::has_irelative_section): New function.
1546         (Output_data_plt_i386::entry_count): Add irelative_count_.
1547         (Output_data_plt_i386::set_final_data_size): Likewise.
1548         (class Target_i386): Add got_irelative_ and rel_irelative_
1549         fields.  Update declarations.
1550         (Target_i386::Target_i386): Initialize new fields.
1551         (Target_i386::do_plt_address_for_global): New function replacing
1552         do_plt_section_for_global.
1553         (Target_i386::do_plt_address_for_local): New function replacing
1554         do_plt_section_for_local.
1555         (Target_i386::got_section): Create got_irelative_.
1556         (Target_i386::rel_irelative_section): New function.
1557         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1558         fields.  Don't define __rel_iplt_{start,end}.
1559         (Output_data_plt_i386::add_entry): Add symtab and layout
1560         parameters.  Change all callers.  Use different PLT and GOT for
1561         IFUNC symbols.
1562         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1563         layout parameters.  Change all callers.  Use different PLT and
1564         GOT.
1565         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1566         (Output_data_plt_i386::rel_irelative): New function.
1567         (Output_data_plt_i386::address_for_global): New function.
1568         (Output_data_plt_i386::address_for_local): New function.
1569         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1570         IRELATIVE GOT when changing IFUNC GOT entries.
1571         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1572         reloc.
1573         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1574         if we didn't create an IRELATIVE GOT.
1575         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1576         plt_address_for_local.
1577         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1578         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1579         got_irelative_, and irelative_count_ fields.  Update
1580         declarations.
1581         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1582         Initialize new fields.  Remove symtab parameter.  Change all
1583         callers.
1584         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1585         irelative_count_.
1586         (Output_data_plt_x86_64::has_irelative_section): New function.
1587         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1588         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1589         fields.  Update declarations.
1590         (Target_x86_64::Target_x86_64): Initialize new fields.
1591         (Target_x86_64::do_plt_address_for_global): New function replacing
1592         do_plt_section_for_global.
1593         (Target_x86_64::do_plt_address_for_local): New function replacing
1594         do_plt_section_for_local.
1595         (Target_x86_64::got_section): Create got_irelative_.
1596         (Target_x86_64::rela_irelative_section): New function.
1597         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1598         all callers.  Don't create __rel_iplt_{start,end}.
1599         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1600         parameters.  Change all callers.  Use different PLT and GOT for
1601         IFUNC symbols.
1602         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1603         layout parameters.  Change all callers.  Use different PLT and
1604         GOT.
1605         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1606         parameters.  Change all callers.  Use different PLT and GOT for
1607         IFUNC symbols.
1608         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1609         (Output_data_plt_x86_64::rela_irelative): New function.
1610         (Output_data_plt_x86_64::address_for_global): New function.
1611         (Output_data_plt_x86_64::address_for_local): New function.
1612         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1613         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1614         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1615         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1616         parameters.
1617         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1618         reloc.
1619         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1620         symbols if we didn't create an IRELATIVE GOT.
1621         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1622         plt_address_for_local.
1623         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1624         * testsuite/ifuncvar1.c: New test file.
1625         * testsuite/ifuncvar2.c: New test file.
1626         * testsuite/ifuncvar3.c: New test file.
1627         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1628         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1629         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1630         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1631         * testsuite/Makefile.in: Rebuild.
1632
1633 2011-07-07  Cary Coutant  <ccoutant@google.com>
1634
1635         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1636         (two_file_test_1_ndebug.o): Likewise.
1637         (two_file_test_1b_ndebug.o): Likewise.
1638         (two_file_test_2_ndebug.o): Likewise.
1639         (two_file_test_main_ndebug.o): Likewise.
1640         (incremental_test_2): Link with no-debug versions.
1641
1642 2011-07-06  Cary Coutant  <ccoutant@google.com>
1643
1644         * gold/incremental.cc
1645         (Output_section_incremental_inputs::write_info_blocks): Check for
1646         hidden and internal symbols.
1647
1648 2011-07-06  Cary Coutant  <ccoutant@google.com>
1649
1650         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1651         Check disposition for startup file.
1652         (Incremental_inputs::report_command_line): Ignore
1653         --incremental-startup-unchanged option.
1654         * options.cc (General_options::parse_incremental_startup_unchanged):
1655         New function.
1656         (General_options::General_options): Initialize new data member.
1657         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1658         (General_options): Add --incremental-startup-unchanged option.
1659         (General_options::incremental_startup_disposition): New function.
1660         (General_options::incremental_startup_disposition_): New data member.
1661
1662 2011-07-06  Cary Coutant  <ccoutant@google.com>
1663
1664         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1665         input file index to Script_info ctor.
1666         (Sized_incremental_binary::do_file_has_changed): Find the
1667         command-line argument for files named in scripts.
1668         * incremental.h (Script_info::Script_info): New ctor
1669         with input file index.
1670         (Script_info::input_file_index): New function.
1671         (Script_info::input_file_index_): New data member.
1672         (Incremental_binary::get_library): Add const.
1673         (Incremental_binary::get_script_info): Add const.
1674         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1675         * testsuite/Makefile.am (incremental_test_5): New test case.
1676         (incremental_test_6): New test case.
1677         * testsuite/Makefile.in: Regenerate.
1678
1679 2011-07-06  Cary Coutant  <ccoutant@google.com>
1680
1681         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1682         debug output when command lines differ.
1683
1684 2011-07-06  Cary Coutant  <ccoutant@google.com>
1685
1686         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1687         --incremental-patch option.
1688         * layout.cc (Free_list::allocate): Extend allocation beyond original
1689         end if enabled.
1690         (Layout::make_output_section): Mark sections that should get
1691         patch space.
1692         * options.cc (parse_percent): New function.
1693         * options.h (parse_percent): New function.
1694         (DEFINE_percent): New macro.
1695         (General_options): Add --incremental-patch option.
1696         * output.cc (Output_section::Output_section): Initialize new data
1697         members.
1698         (Output_section::add_input_section): Print section name when out
1699         of patch space.
1700         (Output_section::add_output_section_data): Likewise.
1701         (Output_section::set_final_data_size): Add patch space when
1702         doing --incremental-full.
1703         (Output_section::do_reset_address_and_file_offset): Remove patch
1704         space.
1705         (Output_segment::set_section_list_addresses): Print debug output
1706         only if --incremental-update.
1707         * output.h (Output_section::set_is_patch_space_allowed): New function.
1708         (Output_section::is_patch_space_allowed_): New data member.
1709         (Output_section::patch_space_): New data member.
1710         * parameters.cc (Parameters::incremental_full): New function.
1711         * parameters.h (Parameters::incremental_full): New function
1712         * testsuite/Makefile.am (incremental_test_2): Add test for
1713         --incremental-patch option.
1714         * testsuite/Makefile.in: Regenerate.
1715         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1716         (t18): Remove function body.
1717
1718 2011-07-05  Doug Kwan  <dougkwan@google.com>
1719
1720         PR gold/12771
1721         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1722         Arm_Address type for relocation result.
1723         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1724         overflow check.
1725         (Arm_relocate_functions::abs32): Use unaligned access.
1726         (Arm_relocate_functions::rel32): Ditto.
1727         (Arm_relocate_functions::prel31): Ditto.
1728         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1729         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1730         static data relocations.
1731         * testsuite/Makefile.in: Regnerate.
1732         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1733
1734 2011-07-05  Ian Lance Taylor  <iant@google.com>
1735
1736         PR gold/12392
1737         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1738         symbols if necessary.
1739         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1740
1741 2011-07-05  Ian Lance Taylor  <iant@google.com>
1742
1743         PR gold/12952
1744         * resolve.cc (Symbol::override_base_with_special): Simply override
1745         version with special symbol version, ignoring previous version.
1746
1747 2011-07-05  Ian Lance Taylor  <iant@google.com>
1748
1749         * object.cc (Sized_relobj_file::include_section_group): Add
1750         information to comment about signature location.
1751
1752 2011-07-02  Ian Lance Taylor  <iant@google.com>
1753
1754         PR gold/12957
1755         * options.h (class General_options): Add -f and -F.
1756         * options.cc (General_options::finalize): Fatal error if -f/-F
1757         are used without -shared.
1758         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1759
1760 2011-07-02  Ian Lance Taylor  <iant@google.com>
1761
1762         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1763
1764 2011-07-01  Ian Lance Taylor  <iant@google.com>
1765
1766         PR gold/12525
1767         PR gold/12952
1768         * resolve.cc (Symbol::override_base_with_special): Don't override
1769         the version if the overriding symbol has a different name.
1770         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1771         all callers.  If we give an error about an undefined version,
1772         define the base version if necessary.
1773         * dynobj.h (class Versions): Update declaration.
1774         * testsuite/weak_alias_test_5.cc: New file.
1775         * testsuite/weak_alias_test.script: New file.
1776         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1777         and versioned_alias have the right value, and call t2.
1778         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1779         weak_alias_test_5.so.
1780         (weak_alias_test_LDADD): Likewise.
1781         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1782         * testsuite/Makefile.in: Rebuild.
1783
1784 2011-07-01  Ian Lance Taylor  <iant@google.com>
1785
1786         PR gold/12525
1787         * options.h (class General_options): Support -z notext.
1788         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1789         -Wl,-z,notext.
1790         (two_file_shared_nonpic.so): Likewise.
1791         (two_file_shared_mixed.so): Likewise.
1792         (two_file_shared_mixed_1.so): Likewise.
1793         (weak_undef_lib_nonpic.so): Likewise.
1794         (alt/weak_undef_lib_nonpic.so): Likewise.
1795         (tls_test_shared_nonpic.so): Likewise.
1796         * testsuite/Makefile.in: Rebuild.
1797
1798 2011-07-01  Ian Lance Taylor  <iant@google.com>
1799
1800         PR gold/12525
1801         * configure.ac: Test whether static linking works, setting
1802         the automake conditional HAVE_STATIC.
1803         * testsuite/Makefile.am: Disable tests using -static if
1804         HAVE_STATIC is not true.
1805         * configure, testsuite/Makefile.in: Rebuild.
1806
1807 2011-07-01  Ian Lance Taylor  <iant@google.com>
1808
1809         PR gold/12525
1810         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1811         Assert if we see DW_EH_PE_indirect.
1812         * target.h (Target::ehframe_datarel_base): New function.
1813         (Target::do_ehframe_datarel_base): New target function.
1814         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1815         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1816         function.
1817
1818 2011-07-01  Ian Lance Taylor  <iant@google.com>
1819
1820         PR gold/12571
1821         * options.h (class General_options): Add
1822         --ld-generated-unwind-info.
1823         * ehframe.cc (Fde::write): Add address parameter.  Change all
1824         callers.  If associated with PLT, fill in address and size.
1825         (Cie::set_output_offset): Only add merge mapping if there is an
1826         object.
1827         (Cie::write): Add address parameter.  Change all callers.
1828         (Eh_frame::add_ehframe_for_plt): New function.
1829         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1830         input_offset_ fields into union u_, with new plt field.
1831         (Fde::Fde): Adjust for new union field.
1832         (Fde::Fde) [Output_data version]: New constructor.
1833         (Fde::add_mapping): Only add merge mapping if there is an object.
1834         (class Cie): Update declarations.
1835         (class Eh_frame): Declare add_ehframe_for_plt.
1836         * layout.cc (Layout::layout_eh_frame): Break out code into
1837         make_eh_frame_section, and call it.
1838         (Layout::make_eh_frame_section): New function.
1839         (Layout::add_eh_frame_for_plt): New function.
1840         * layout.h (class Layout): Update declarations.
1841         * merge.cc (Merge_map::add_mapping): Add assertion.
1842         * i386.cc: Include "dwarf.h".
1843         (class Output_data_plt_i386): Make first_plt_entry,
1844         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1845         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1846         and plt_eh_frame_fde.
1847         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1848         boundary.  Call add_eh_frame_for_plt if appropriate.
1849         * x86_64.cc: Include "dwarf.h".
1850         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1851         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1852         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1853         and plt_eh_frame_fde.
1854         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1855         appropriate.
1856
1857 2011-06-29  Ian Lance Taylor  <iant@google.com>
1858
1859         PR gold/12629
1860         * object.cc (Sized_relobj_file::layout_section): Change shdr
1861         parameter to be const.
1862         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1863         out of do_layout.
1864         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1865         appropriate.  Call layout_eh_frame_section.
1866         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1867         sections.
1868         * object.h (class Sized_relobj_file): Update declarations.
1869
1870 2011-06-29  Ian Lance Taylor  <iant@google.com>
1871
1872         PR gold/12652
1873         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1874         modifier.
1875         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1876
1877 2011-06-29  Ian Lance Taylor  <iant@google.com>
1878
1879         PR gold/12675
1880         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1881         SHT_X86_64_UNWIND.
1882         * layout.cc (Layout::layout_eh_frame): Likewise.
1883
1884 2011-06-29  Ian Lance Taylor  <iant@google.com>
1885
1886         PR gold/12695
1887         * layout.cc (Layout::symtab_section_shndx): New function.
1888         * layout.h (class Layout): Declare symtab_section_shndx.
1889         * output.cc (Output_section::write_header): Call it.
1890
1891 2011-06-29  Ian Lance Taylor  <iant@google.com>
1892
1893         PR gold/12818
1894         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1895         symbols which are not used in a relocation.
1896
1897 2011-06-28  Ian Lance Taylor  <iant@google.com>
1898
1899         PR gold/12898
1900         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1901         script create indistinguishable segments.
1902         (Layout::set_segment_offsets): Use stable_sort when sorting
1903         segments.  Pass this to Compare_segments constructor.
1904         * layout.h (class Layout): Make segment_precedes non-static.
1905         (class Compare_segments): Change from struct to class.  Add
1906         layout_ field.  Add constructor.
1907         * script-sections.cc
1908         (Script_sections::attach_sections_using_phdrs_clause): Rename
1909         local orphan to is_orphan.  Don't report failure to put empty
1910         section in segment.  On attachment failure, report name of
1911         section, and attach to first PT_LOAD segment.
1912
1913 2011-06-28  Ian Lance Taylor  <iant@google.com>
1914
1915         PR gold/12934
1916         * target-select.cc (Target_selector::Target_selector): Add
1917         emulation parameter.  Change all callers.
1918         (select_target_by_bfd_name): Rename from select_target_by_name.
1919         Change all callers.
1920         (select_target_by_emulation): New function.
1921         (supported_emulation_names): New function.
1922         * target-select.h (class Target_selector): Add emulation_ field.
1923         Update declarations.
1924         (Target_selector::recognize_by_bfd_name): Rename from
1925         recognize_by_name.  Change all callers.
1926         (Target_selector::supported_bfd_names): Rename from
1927         supported_names.  Change all callers.
1928         (Target_selector::recognize_by_emulation): New function.
1929         (Target_selector::supported_emulations): New function.
1930         (Target_selector::emulation): New function.
1931         (Target_selector::do_recognize_by_bfd_name): Rename from
1932         do_recognize_by_name.  Change all callers.
1933         (Target_selector::do_supported_bfd_names): Rename from
1934         do_supported_names.  Change all callers.
1935         (Target_selector::do_recognize_by_emulation): New function.
1936         (Target_selector::do_supported_emulations): New function.
1937         (select_target_by_bfd_name): Change name in declaration.
1938         (select_target_by_emulation): Declare.
1939         (supported_emulation_names): Declare.
1940         * parameters.cc (parameters_force_valid_target): Try to find
1941         target based on emulation from -m option.
1942         * options.h (class General_options): Change doc string for -m.
1943         * options.cc (help): Print emulations.
1944         (General_options::parse_V): Likewise.
1945         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1946         Add emulation parameter.  Change all callers.
1947
1948 2011-06-28  Ian Lance Taylor  <iant@google.com>
1949
1950         * target.h (class Target): Add osabi_ field.
1951         (Target::osabi): New function.
1952         (Target::set_osabi): New function.
1953         (Target::Target): Initialize osabi_.
1954         (Target::do_adjust_elf_header): Make pure virtual.
1955         (Sized_target::do_adjust_elf_header): Declare.
1956         * target.cc (Sized_target::do_adjust_elf_header): New function.
1957         (class Sized_target): Instantiate all versions.
1958         * freebsd.h (class Target_freebsd): Remove.
1959         (Target_selector_freebsd::do_recognize): Call set_osabi on
1960         Target.
1961         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1962         (Target_selector_freebsd::set_osabi): Remove.
1963         * i386.cc (class Target_i386): Inherit from Sized_target rather
1964         than Target_freebsd.
1965         * x86_64.cc (class Target_x86_64): Likewise.
1966
1967 2011-06-28  Ian Lance Taylor  <iant@google.com>
1968
1969         * target.h (Target::can_check_for_function_pointers): Rewrite.
1970         Make non-virtual.
1971         (Target::can_icf_inline_merge_sections): Likewise.
1972         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1973         (Target::Target_info): Add can_icf_inline_merge_sections field.
1974         (Target::do_can_check_for_function_pointers): New virtual
1975         function.
1976         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1977         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1978         from can_check_for_function_pointers, move in file.
1979         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1980         section_may_have_icf_unsafe_poineters, move in file.
1981         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1982         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1983         Rename from can_check_for_function_pointers, move in file.
1984         (Target_i386::can_icf_inline_merge_sections): Remove.
1985         (Target_i386::i386_info): Initialize
1986         can_icf_inline_merge_sections.
1987         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1988         Initialize can_icf_inline_merge_sections.
1989         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1990         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1991         Rename from can_check_for_function_pointers, move in file.
1992         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1993         (Target_x86_64::x86_64_info): Initialize
1994         can_icf_inline_merge_sections.
1995         * testsuite/testfile.cc (Target_test::test_target_info):
1996         Likewise.
1997         * icf.cc (get_section_contents): Correct formatting.
1998
1999 2011-06-27  Ian Lance Taylor  <iant@google.com>
2000
2001         * symtab.cc (Symbol::versioned_name): New function.
2002         (Symbol_table::add_to_final_symtab): Use versioned_name when
2003         appropriate.
2004         (Symbol_table::sized_write_symbol): Likewise.
2005         * symtab.h (class Symbol): Declare versioned_name.
2006         * stringpool.h (class Stringpool_template): Add variant of add
2007         which takes a std::basic_string.
2008         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2009         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2010         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2011         (ver_test_12.o): New target.
2012         * testsuite/Makefile.in: Rebuild.
2013
2014 2011-06-27  Doug Kwan  <dougkwan@google.com>
2015
2016         * arm.cc (Arm_relocate_functions::thm_jump8,
2017         Arm_relocate_functions::thm_jump11): Use a wider signed
2018         type to compute offset.
2019         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2020         arm_thm_jump8.
2021         * testsuite/Makefile.in: Regenerate.
2022         * testsuite/arm_branch_in_range.sh: Check test results of
2023         arm_thm_jump11 and arm_thm_jump8.
2024         * testsuite/arm_thm_jump11.s: New test source file.
2025         * testsuite/arm_thm_jump11.t: New linker script.
2026         * testsuite/arm_thm_jump8.s: New test source file.
2027         * testsuite/arm_thm_jump8.t: New linker script.
2028
2029 2011-06-24  Ian Lance Taylor  <iant@google.com>
2030
2031         * layout.cc: Include "object.h".
2032         (ctors_sections_in_init_array): New static variable.
2033         (Layout::is_ctors_in_init_array): New function.
2034         (Layout::layout): Add entry to ctors_sections_in_init_array if
2035         appropriate.
2036         * layout.h (class Layout): Declare is_ctors_in_init_array.
2037         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2038         is_ctors_reverse_view is set.
2039         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2040         all callers.  Set is_ctors_reverse_view field of View_size.
2041         (Sized_relobj_file::reverse_words): New function.
2042         * object.h (Sized_relobj_file::View_size): Add
2043         is_ctors_reverse_view field.
2044         (class Sized_relobj_file): Update declarations.
2045         * testsuite/initpri3.c: New test.
2046         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2047         initpri3b.
2048         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2049         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2050         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2051         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2052         * testsuite/Makefile.in: Rebuild.
2053
2054 2011-06-24  Cary Coutant  <ccoutant@google.com>
2055
2056         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2057         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2058         (debug_msg_cdebug.err): New targets.
2059         * testsuite/Makefile.in: Regenerate.
2060         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2061         Fix checks for link with shared library.
2062
2063 2011-06-24  Doug Kwan  <dougkwan@google.com>
2064
2065         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2066         skip empty text sections.
2067         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2068
2069 2011-06-22  Ian Lance Taylor  <iant@google.com>
2070
2071         PR gold/12910
2072         * options.h (class General_options): Add --ctors-in-init-array.
2073         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2074         friends as SHT_PROGBITS for merging sections.
2075         (Layout::layout): Remove special handling of .init_array and
2076         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2077         and .dtors if ctors_in_init_array.
2078         (Layout::make_output_section): Force correct section types for
2079         .init_array and friends.  Don't sort if doing relocatable link,
2080         Don't sort .ctors and .dtors if ctors_in_init_array.
2081         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2082         (Layout::output_section_name): Add relobj parameter.  Change all
2083         callers.  Handle .ctors. and .dtors. in code rather than table.
2084         Handle .ctors and .dtors if ctors_in_init_array.
2085         (Layout::match_file_name): New function, moved from output.cc.
2086         * layout.h (class Layout): Update declarations.
2087         * output.cc: Include "layout.h".
2088         (Input_section_sort_entry::get_priority): New function.
2089         (Input_section_sort_entry::match_file_name): Just call
2090         Layout::match_file_name.
2091         (Output_section::Input_section_sort_init_fini_compare::operator()):
2092         Handle .ctors and .dtors.  Sort by explicit priority rather than
2093         by name.
2094         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2095         * testsuite/initpri2.c: New test.
2096         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2097         (check_PROGRAMS): Add initpri2.
2098         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2099         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2100         * configure, testsuite/Makefile.in: Rebuild.
2101
2102 2011-06-19  Ian Lance Taylor  <iant@google.com>
2103
2104         PR gold/12880
2105         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2106         .interp section to a PT_INTERP segment even if we have seen a
2107         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2108         clause in a linker script.
2109         (Layout::finalize): Don't create a .interp section if we've
2110         already create a PT_INTERP segment.
2111         (Layout::create_interp): Always call choose_output_section (revert
2112         patch of 2011-06-17).  Don't create PT_INTERP segment.
2113         * script-sections.cc
2114         (Script_sections::create_note_and_tls_segments): Add a .interp
2115         section to a PT_INTERP segment even if we have seen a
2116         --dynamic-linker option.
2117
2118 2011-06-18  Ian Lance Taylor  <iant@google.com>
2119
2120         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2121         merely because a non-PT_LOAD segment has a dynamic reloc.
2122
2123 2011-06-18  Ian Lance Taylor  <iant@google.com>
2124
2125         * layout.cc (Layout::finish_dynamic_section): Don't create
2126         DT_FLAGS entry if not needed.
2127
2128 2011-06-18  Ian Lance Taylor  <iant@google.com>
2129
2130         PR gold/12745
2131         * layout.cc (Layout::layout_eh_frame): Correct handling of
2132         writable .eh_frame section.
2133
2134 2011-06-17  Ian Lance Taylor  <iant@google.com>
2135
2136         PR gold/12893
2137         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2138         symbol is redefined with the exact same object and value.
2139
2140 2011-06-17  Ian Lance Taylor  <iant@google.com>
2141
2142         PR gold/12880
2143         * layout.h (class Layout): Add interp_segment_ field.
2144         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2145         (Layout::attach_allocated_section_to_segment): If making shared
2146         library, put .interp section in PT_INTERP segment.
2147         (Layout::finalize): Also call create_interp if -dynamic-linker
2148         option was used.
2149         (Layout::create_interp): Assert that there is no PT_INTERP
2150         segment.  If not using a SECTIONS clause, use make_output_section.
2151         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2152         * script-sections.cc
2153         (Script_sections::create_note_and_tls_segments): If making shared
2154         library, put .interp section in PT_INTERP segment.
2155
2156 2011-06-17  Ian Lance Taylor  <iant@google.com>
2157
2158         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2159         when making a shared library.
2160
2161 2011-06-17  Ian Lance Taylor  <iant@google.com>
2162
2163         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2164         parameter.  Change all callers.  Don't issue warning about PC32
2165         against locally defined symbol.
2166
2167 2011-06-16  Ian Lance Taylor  <iant@google.com>
2168
2169         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2170         occurs in same object.
2171
2172 2011-06-14  Alan Modra  <amodra@gmail.com>
2173
2174         * po/POTFILES.in: Regenerate.
2175
2176 2011-06-09  Ian Lance Taylor  <iant@google.com>
2177
2178         * script-sections.cc
2179         (Orphan_output_section::set_section_addresses): For a relocatable
2180         link set address to 0.
2181
2182 2011-06-09  Cary Coutant  <ccoutant@google.com>
2183
2184         PR gold/12804
2185         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2186         used with --compress-debug-sections.
2187         * gold/object.cc (Sized_relobj_file::do_layout): Report
2188         uncompressed size of compressed input sections.
2189
2190 2011-06-08  Cary Coutant  <ccoutant@google.com>
2191
2192         PR gold/12804
2193         * testsuite/two_file_test_2_v1.cc: Change initialization of
2194         v2 to keep it in .data.
2195
2196 2011-06-07  Cary Coutant  <ccoutant@google.com>
2197
2198         * common.cc (Symbol_table::do_allocate_commons_list): Call
2199         gold_fallback.
2200         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2201         (Errors::fallback): New function.
2202         (gold_fallback): New function.
2203         * errors.h (Errors::fallback): New function.
2204         * gold.cc (gold_exit): Change status parameter to enum; adjust
2205         all callers.
2206         (queue_initial_tasks): Call gold_fallback.
2207         * gold.h: Include cstdlib.
2208         (Exit_status): New enum type.
2209         (gold_exit): Change status parameter to enum.
2210         (gold_fallback): New function.
2211         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2212         (Layout::create_symtab_sections): Likewise.
2213         (Layout::create_shdrs): Likewise.
2214         * main.cc (main): Adjust call to gold_exit.
2215         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2216         (Output_data_got::add_got_entry_pair): Likewise.
2217         (Output_section::add_input_section): Likewise.
2218         (Output_section::add_output_section_data): Likewise.
2219         (Output_segment::set_section_list_addresses): Likewise.
2220         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2221
2222 2011-06-07  Cary Coutant  <ccoutant@google.com>
2223
2224         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2225         for incremental links.
2226         * output.cc (Output_segment::set_section_list_addresses): Remove
2227         FIXME and test for TLS or BSS.
2228
2229 2011-06-07  Cary Coutant  <ccoutant@google.com>
2230
2231         * testsuite/Makefile.am: Add incremental_copy_test,
2232         incremental_common_test_1.
2233         * testsuite/Makefile.in: Regenerate.
2234         * testsuite/common_test_1_v1.c: New source file.
2235         * testsuite/common_test_1_v2.c: New source file.
2236         * testsuite/copy_test_v1.cc: New source file.
2237
2238 2011-06-07  Cary Coutant  <ccoutant@google.com>
2239
2240         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2241         update, allocate common from bss section's free list.
2242         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2243         linker-defined symbols.
2244         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2245         Skip GOT and PLT entries that are no longer referenced.
2246         (Output_section_incremental_inputs::write_info_blocks): Mark
2247         linker-defined symbols.
2248         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2249         * output.cc (Output_section::allocate): New function.
2250         * output.h (Output_section::allocate): New function.
2251         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2252         linker-defined symbols.
2253         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2254         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2255         (Symbol::init_base_output_data): Likewise.
2256         (Symbol::init_base_output_segment): Likewise.
2257         (Symbol::init_base_constant): Likewise.
2258         (Sized_symbol::init_output_data): Likewise.
2259         (Sized_symbol::init_output_segment): Likewise.
2260         (Sized_symbol::init_constant): Likewise.
2261         (Symbol_table::do_define_in_output_data): Likewise.
2262         (Symbol_table::do_define_in_output_segment): Likewise.
2263         (Symbol_table::do_define_as_constant): Likewise.
2264         * symtab.h (Symbol::is_predefined): New function.
2265         (Symbol::init_base_output_data): Add is_predefined parameter.
2266         (Symbol::init_base_output_segment): Likewise.
2267         (Symbol::init_base_constant): Likewise.
2268         (Symbol::is_predefined_): New data member.
2269         (Sized_symbol::init_output_data): Add is_predefined parameter.
2270         (Sized_symbol::init_output_segment): Likewise.
2271         (Sized_symbol::init_constant): Likewise.
2272         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2273
2274 2011-06-07  Cary Coutant  <ccoutant@google.com>
2275
2276         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2277         instead of emit_copy_reloc.
2278         (Copy_relocs::emit_copy_reloc): Refactor.
2279         (Copy_relocs::make_copy_reloc): New function.
2280         (Copy_relocs::add_copy_reloc): Remove.
2281         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2282         section.
2283         (Copy_relocs::make_copy_reloc): New function.
2284         (Copy_relocs::add_copy_reloc): Remove.
2285         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2286         unchanged input files.
2287         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2288         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2289         Reserve BSS space for COPY relocations.
2290         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2291         (Output_section_incremental_inputs::write_info_blocks): Record
2292         whether a symbol is copied from a shared object.
2293         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2294         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2295         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2296         (Incremental_input_entry_reader::get_output_symbol_index): Add
2297         is_copy parameter.
2298         (Incremental_binary::emit_copy_relocs): New function.
2299         (Incremental_binary::do_emit_copy_relocs): New function.
2300         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2301         new data member.
2302         (Sized_incremental_binary::add_copy_reloc): New function.
2303         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2304         (Sized_incremental_binary::Copy_reloc): New struct.
2305         (Sized_incremental_binary::Copy_relocs): New typedef.
2306         (Sized_incremental_binary::copy_relocs_): New data member.
2307         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2308         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2309         * target.h (Sized_target::emit_copy_reloc): New function.
2310         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
2311
2312 2011-06-02  Cary Coutant  <ccoutant@google.com>
2313
2314         PR gold/12163
2315         * gold/archive.cc (Archive::Archive): Initialize new data member.
2316         (Archive::include_all_members): Return if archive has already been
2317         included.
2318         * gold/archive.h (Archive::include_all_members_): New data member.
2319
2320 2011-06-02  Nick Clifton  <nickc@redhat.com>
2321
2322         * dynobj.h: Fix spelling mistake in comment.
2323         * output.cc: Likewise.
2324
2325 2011-05-31  Doug Kwan  <dougkwan@google.com>
2326             Asier Llano
2327
2328         PR gold/12826
2329         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2330         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2331         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2332         redundant arm_exidx_test.so.
2333         * testsuite/Makefile.in: Regenerate.
2334         (check_SCRIPTS): Add pr12826.sh
2335         (check_DATA): Add pr12826.stdout
2336         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2337         * testsuite/pr12826.sh: New file.
2338         * testsuite/pr12826_1.s: Ditto.
2339         * testsuite/pr12826_1.s: Ditto.
2340
2341 2011-05-30  Ian Lance Taylor  <iant@google.com>
2342
2343         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2344         sections.
2345
2346 2011-05-29  Ian Lance Taylor  <iant@google.com>
2347
2348         PR gold/12804
2349         * testsuite/Makefile.am: Use different file name for two_file_test
2350         temporary file for each incremental test.
2351         * testsuite/Makefile.in: Rebuild.
2352
2353 2011-05-29  Ian Lance Taylor  <iant@google.com>
2354
2355         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2356         binary input file is empty.
2357
2358 2011-05-27  Ian Lance Taylor  <iant@google.com>
2359
2360         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2361         (ver_test_9.so): Likewise.
2362         * testsuite/Makefile.in: Rebuild.
2363
2364 2011-05-26 Cary Coutant  <ccoutant@google.com>
2365
2366         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2367         * incremental.cc (Incremental_inputs::report_input_section): Fix
2368         comment, indentation.
2369         (Incremental_inputs::report_comdat_group): New function.
2370         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2371         of data for incremental input file entry.
2372         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
2373         group count, COMDAT group signatures.
2374         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
2375         an unchanged input file.
2376         * incremental.h (Incremental_object_entry::Incremental_object_entry):
2377         Initialize new data member.
2378         (Incremental_object_entry::add_comdat_group): New function.
2379         (Incremental_object_entry::get_comdat_group_count): New function.
2380         (Incremental_object_entry::get_comdat_signature_key): New function.
2381         (Incremental_object_entry::groups_): New data member.
2382         (Incremental_inputs::report_comdat_group): New function.
2383         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
2384         data for incremental input file entry.
2385         (Incremental_input_entry_reader::get_comdat_group_count): New function.
2386         (Incremental_input_entry_reader::get_input_section): Adjust size of
2387         data for incremental input file entry.
2388         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
2389         (Incremental_input_entry_reader::get_comdat_group_signature): New
2390         function.
2391         * object.cc (Sized_relobj::include_section_group): Report kept
2392         COMDAT groups for incremental links.
2393
2394 2011-05-24  David Meyer  <pdox@google.com>
2395
2396         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2397         with name parameter.  Add found_name parameter.
2398         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2399         * dirsearch.h (class Dirsearch): Update declaration.
2400
2401 2011-05-24  Ian Lance Taylor  <iant@google.com>
2402
2403         * archive.cc (Library_base::should_include_member): Pull in object
2404         from archive if it defines the entry symbol.
2405         * parameters.cc (Parameters::entry): New function.
2406         * parameters.h (class Parameters): Declare entry.
2407         * output.h (class Output_file_header): Remove entry_ field.
2408         * output.cc (Output_file_header::Output_file_header): Remove entry
2409         parameter.  Change all callers.
2410         (Output_file_header::entry): Use parameters->entry.
2411         * gold.cc (queue_middle_tasks): Likewise.
2412         * plugin.cc (Plugin_hook::run): Likewise.
2413
2414 2011-05-24 Cary Coutant  <ccoutant@google.com>
2415
2416         * gold.cc (queue_initial_tasks): Pass incremental base filename
2417         to Output_file::open_base_file; don't print error message.
2418         * incremental-dump.cc (main): Adjust call to
2419         Output_file::open_for_modification.
2420         * incremental-dump.cc (main): Likewise.
2421         * incremental.cc (Incremental_inputs::report_command_line):
2422         Ignore --incremental-base option when comparing command lines.
2423         Ignore parameter when given as separate argument.
2424         * options.h (class General_options): Add --incremental-base.
2425         * output.cc (Output_file::Output_file):
2426         (Output_file::open_base_file): Add base_name and writable parameters;
2427         read base file into new file; print error message here.
2428         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2429         callers.
2430         * output.h (Output_file::open_for_modification): Rename to...
2431         (Output_file::open_base_file): ...this; add base_name and
2432         writable parameters; adjust all callers.
2433         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2434         callers.
2435         * testsuite/Makefile.am (incremental_test_4): Test
2436         --incremental-base.
2437         * testsuite/Makefile.in: Regenerate.
2438
2439 2011-05-24 Cary Coutant  <ccoutant@google.com>
2440
2441         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2442         incremental_test_4.
2443         * testsuite/Makefile.in: Regenerate.
2444         * testsuite/two_file_test_1_v1.cc: New test source file.
2445         * testsuite/two_file_test_1b_v1.cc: New test source file.
2446         * testsuite/two_file_test_2_v1.cc: New test source file.
2447
2448 2011-05-24 Cary Coutant  <ccoutant@google.com>
2449
2450         * dynobj.h (Dynobj::do_dynobj): New function.
2451         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2452         flag and soname for shared objects.
2453         * incremental.cc (Incremental_inputs::report_object): Make
2454         either Incremental_object_entry or Incremental_dynobj_entry; add
2455         soname to string table.
2456         (Incremental_inputs::report_input_section): Add assertion.
2457         (Output_section_incremental_inputs::set_final_data_size): Adjust
2458         type of input file entry for shared libraries; adjust size of
2459         shared library info entry.
2460         (Output_section_incremental_inputs::write_input_files): Write
2461         as_needed flag for shared libraries.
2462         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2463         of input file entry for shared libraries; write soname.
2464         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2465         soname from incremental info.
2466         * incremental.h (enum Incremental_input_flags): Add
2467         INCREMENTAL_INPUT_AS_NEEDED.
2468         (Incremental_input_entry::Incremental_input_entry): Initialize new
2469         data member.
2470         (Incremental_input_entry::set_as_needed): New function.
2471         (Incremental_input_entry::as_needed): New function.
2472         (Incremental_input_entry::do_dynobj_entry): New function.
2473         (Incremental_input_entry::as_needed_): New data member.
2474         (Incremental_object_entry::Incremental_object_entry): Don't check
2475         for shared library.
2476         (Incremental_object_entry::do_type): Likewise.
2477         (class Incremental_dynobj_entry): New class.
2478         (Incremental_input_entry_reader::as_needed): New function.
2479         (Incremental_input_entry_reader::get_soname): New function.
2480         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2481         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2482         size of shared library info entry.
2483         * layout.cc (Layout::finish_dynamic_section): Don't test for
2484         incremental link when adding DT_NEEDED entries.
2485         * object.h (Object::Object): Initialize new data member.
2486         (Object::dynobj): New function.
2487         (Object::set_as_needed): New function.
2488         (Object::as_needed): New function.
2489         (Object::do_dynobj): New function.
2490         (Object::as_needed_): New data member.
2491
2492 2011-05-24 Cary Coutant  <ccoutant@google.com>
2493
2494         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2495         info; adjust display of GOT entries.
2496         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2497         vector of input objects; remove file_status_.
2498         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2499         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2500         got_plt reader; call target hooks to reserve GOT entries.
2501         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2502         of input file info header and GOT info entry.
2503         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2504         relocation info.
2505         (Got_plt_view_info::got_descriptor): Remove.
2506         (Got_plt_view_info::sym_index): New data member.
2507         (Got_plt_view_info::input_index): New data member.
2508         (Local_got_offset_visitor::visit): Write input file index.
2509         (Global_got_offset_visitor::visit): Write 0 for input file index.
2510         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2511         with sym_index and input_index.
2512         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2513         incremental info GOT entry; replace got_descriptor with input_index.
2514         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2515         map from input file index to object.
2516         (Sized_relobj_incr::do_layout): Replace direct data member reference
2517         with accessor function.
2518         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2519         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2520         Adjust size of input file info header.
2521         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2522         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2523         (Incremental_input_entry_reader::get_input_section): Adjust size of
2524         input file info header.
2525         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2526         of incremental info GOT entry.
2527         (Incremental_got_plt_reader::get_got_desc): Remove.
2528         (Incremental_got_plt_reader::get_got_symndx): New function.
2529         (Incremental_got_plt_reader::get_got_input_index): New function.
2530         (Sized_incremental_binary::Sized_incremental_binary): Remove
2531         file_status_; add input_objects_.
2532         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2533         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2534         (Sized_incremental_binary::file_is_unchanged): Remove.
2535         (Sized_incremental_binary::set_input_object): New function.
2536         (Sized_incremental_binary::input_object): New function.
2537         (Sized_incremental_binary::file_status_): Remove.
2538         (Sized_incremental_binary::input_objects_): New data member.
2539         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2540         references.
2541         (Sized_relobj_incr::invalid_address): Move to base class.
2542         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2543         class.
2544         (Sized_relobj_incr::do_output_section_offset): Likewise.
2545         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2546         (Sized_relobj_incr::section_offsets_): Likewise.
2547         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2548         function.
2549         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2550         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2551         with accessor function.
2552         (Sized_relobj_file::do_layout): Likewise.
2553         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2554         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2555         (Sized_relobj_file::compute_final_local_value): Replace refs to
2556         section_offsets_ with accessor function.
2557         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2558         * object.h (Relobj::Relobj): Initialize new data members.
2559         (Relobj::add_dyn_reloc): New function.
2560         (Relobj::first_dyn_reloc): New function.
2561         (Relobj::dyn_reloc_count): New function.
2562         (Relobj::first_dyn_reloc_): New data member.
2563         (Relobj::dyn_reloc_count_): New data member.
2564         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2565         references.
2566         (Sized_relobj::Address): New typedef.
2567         (Sized_relobj::invalid_address): Move here from child class.
2568         (Sized_relobj::Sized_relobj): Initialize new data members.
2569         (Sized_relobj::sized_relobj): New function.
2570         (Sized_relobj::is_output_section_offset_invalid): Move here from
2571         child class.
2572         (Sized_relobj::get_output_section_offset): Likewise.
2573         (Sized_relobj::local_has_got_offset): Likewise.
2574         (Sized_relobj::local_got_offset): Likewise.
2575         (Sized_relobj::set_local_got_offset): Likewise.
2576         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2577         (Sized_relobj::clear_got_offsets): New function.
2578         (Sized_relobj::section_offsets): Move here from child class.
2579         (Sized_relobj::do_output_section_offset): Likewise.
2580         (Sized_relobj::do_set_section_offset): Likewise.
2581         (Sized_relobj::Local_got_offsets): Likewise.
2582         (Sized_relobj::local_got_offsets_): Likewise.
2583         (Sized_relobj::section_offsets_): Likewise.
2584         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2585         references.
2586         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2587         class.
2588         (Sized_relobj_file::sized_relobj): New function
2589         (Sized_relobj_file::local_has_got_offset): Move to base class.
2590         (Sized_relobj_file::local_got_offset): Likewise.
2591         (Sized_relobj_file::set_local_got_offset): Likewise.
2592         (Sized_relobj_file::get_output_section_offset): Likewise.
2593         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2594         (Sized_relobj_file::do_output_section_offset): Likewise.
2595         (Sized_relobj_file::do_set_section_offset): Likewise.
2596         (Sized_relobj_file::Local_got_offsets): Likewise.
2597         (Sized_relobj_file::local_got_offsets_): Likewise.
2598         (Sized_relobj_file::section_offsets_): Likewise.
2599         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2600         (all constructors).
2601         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2602         (Output_reloc::get_symbol_index): Likewise.
2603         (Output_reloc::local_section_offset): Likewise.
2604         (Output_reloc::get_address): Likewise.
2605         (Output_reloc::symbol_value): Likewise.
2606         (Output_data_got::reserve_slot): Move to class definition.
2607         (Output_data_got::reserve_local): New function.
2608         (Output_data_got::reserve_slot_for_global): Remove.
2609         (Output_data_got::reserve_global): New function.
2610         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2611         (all constructors, two instantiations).
2612         (Output_reloc::get_relobj): New function (two instantiations).
2613         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2614         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2615         (Output_data_reloc::add_global): Adjust type of relobj.
2616         (Output_data_reloc::add_global_relative): Likewise.
2617         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2618         (Output_data_reloc::add_local): Likewise.
2619         (Output_data_reloc::add_local_relative): Likewise.
2620         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2621         (Output_data_reloc::add_local_section): Likewise.
2622         (Output_data_reloc::add_output_section): Likewise.
2623         (Output_data_reloc::add_absolute): Likewise.
2624         (Output_data_reloc::add_target_specific): Likewise.
2625         (Output_data_got::reserve_slot): Move definition here.
2626         (Output_data_got::reserve_local): New function.
2627         (Output_data_got::reserve_global): New function.
2628         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2629         section_offsets_ with accessor function.
2630         (Sized_relobj_file::write_sections): Likewise.
2631         (Sized_relobj_file::do_relocate_sections): Likewise.
2632         * target.h (Sized_target::reserve_local_got_entry): New function.
2633         (Sized_target::reserve_global_got_entry): New function.
2634         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2635         (Target_x86_64::reserve_global_got_entry): New function.
2636         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2637
2638 2011-05-23 Cary Coutant  <ccoutant@google.com>
2639
2640         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2641         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2642         bit when checking got_type.
2643         * incremental.cc (Sized_incremental_binary::setup_readers):
2644         Store symbol table and string table locations; initialize bit vector
2645         of file status flags.
2646         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2647         unchanged files.
2648         (Sized_incremental_binary::do_process_got_plt): New function.
2649         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2650         (Output_section_incremental_inputs::set_final_data_size): Record
2651         file index for each input file.
2652         (Output_section_incremental_inputs::write_got_plt): Store file index
2653         instead of input entry offset for each GOT entry.
2654         * incremental.h
2655         (Incremental_input_entry::Incremental_input_entry): Initialize new
2656         data member.
2657         (Incremental_input_entry::set_offset): Store file index.
2658         (Incremental_input_entry::get_file_index): New function.
2659         (Incremental_input_entry::file_index_): New data member.
2660         (Incremental_binary::process_got_plt): New function.
2661         (Incremental_binary::do_process_got_plt): New function.
2662         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2663         data members.
2664         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2665         (Sized_incremental_binary::set_file_is_unchanged): New function.
2666         (Sized_incremental_binary::file_is_unchanged): New function.
2667         (Sized_incremental_binary::do_process_got_plt): New function.
2668         (Sized_incremental_binary::file_status_): New data member.
2669         (Sized_incremental_binary::main_symtab_loc_): New data member.
2670         (Sized_incremental_binary::main_strtab_loc_): New data member.
2671         * output.cc (Output_data_got::Got_entry::write): Add case
2672         RESERVED_CODE.
2673         (Output_data_got::add_global): Call add_got_entry.
2674         (Output_data_got::add_global_plt): Likewise.
2675         (Output_data_got::add_global_with_rel): Likewise.
2676         (Output_data_got::add_global_with_rela): Likewise.
2677         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2678         (Output_data_got::add_global_pair_with_rela): Likewise.
2679         (Output_data_got::add_local): Call add_got_entry.
2680         (Output_data_got::add_local_plt): Likewise.
2681         (Output_data_got::add_local_with_rel): Likewise.
2682         (Output_data_got::add_local_with_rela): Likewise.
2683         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2684         (Output_data_got::add_local_pair_with_rela): Likewise.
2685         (Output_data_got::reserve_slot): New function.
2686         (Output_data_got::reserve_slot_for_global): New function.
2687         (Output_data_got::add_got_entry): New function.
2688         (Output_data_got::add_got_entry_pair): New function.
2689         (Output_section::add_output_section_data): Edit FIXME.
2690         * output.h
2691         (Output_section_data_build::Output_section_data_build): New
2692         constructor with size parameter.
2693         (Output_data_space::Output_data_space): Likewise.
2694         (Output_data_got::Output_data_got): Initialize new data member; new
2695         constructor with size parameter.
2696         (Output_data_got::add_constant): Call add_got_entry.
2697         (Output_data_got::reserve_slot): New function.
2698         (Output_data_got::reserve_slot_for_global): New function.
2699         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2700         (Output_data_got::add_got_entry): New function.
2701         (Output_data_got::add_got_entry_pair): New function.
2702         (Output_data_got::free_list_): New data member.
2703         * target.h (Sized_target::init_got_plt_for_update): New function.
2704         (Sized_target::register_global_plt_entry): New function.
2705         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2706         Initialize new data member; call init; add constructor with PLT count.
2707         (Output_data_plt_x86_64::init): New function.
2708         (Output_data_plt_x86_64::add_relocation): New function.
2709         (Output_data_plt_x86_64::reserve_slot): New function.
2710         (Output_data_plt_x86_64::free_list_): New data member.
2711         (Target_x86_64::init_got_plt_for_update): New function.
2712         (Target_x86_64::register_global_plt_entry): New function.
2713         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2714         incremental updates.
2715         (Output_data_plt_x86_64::add_relocation): New function.
2716         * testsuite/object_unittest.cc (Object_test): Set default options.
2717
2718 2011-05-16  Ian Lance Taylor  <iant@google.com>
2719
2720         * options.h (class General_options): Make -i a synonym for -r.
2721
2722 2011-05-16  Ian Lance Taylor  <iant@google.com>
2723
2724         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2725
2726 2011-05-10 Cary Coutant  <ccoutant@google.com>
2727
2728         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2729         strip_all (-s).
2730
2731 2011-05-06  Ian Lance Taylor  <iant@google.com>
2732
2733         * layout.cc (Layout::layout): If the output section flags change,
2734         update the ordering.
2735
2736 2011-04-25 Cary Coutant  <ccoutant@google.com>
2737
2738         * incremental-dump.cc (dump_incremental_inputs): Print local
2739         symbol info for each input file.
2740         * incremental.cc
2741         (Output_section_incremental_inputs::set_final_data_size): Add local
2742         symbol info to input file entries in incremental info.
2743         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2744         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2745         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2746         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2747         implementation.
2748         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2749         (Sized_incr_relobj::do_relocate): Write the local symbols.
2750         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2751         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2752         Adjust size of input file header.
2753         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2754         (Incremental_inputs_reader::get_local_symbol_count): New function.
2755         (Incremental_inputs_reader::get_input_section): Adjust size of input
2756         file header.
2757         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2758         (Sized_incr_relobj::This): New typedef.
2759         (Sized_incr_relobj::sym_size): New const data member.
2760         (Sized_incr_relobj::Local_symbol): New struct.
2761         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2762         (Sized_incr_relobj::do_local_symbol_offset): New function.
2763         (Sized_incr_relobj::local_symbol_count_): New data member.
2764         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2765         (Sized_incr_relobj::local_symbol_index_): New data member.
2766         (Sized_incr_relobj::local_symbol_offset_): New data member.
2767         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2768         (Sized_incr_relobj::local_symbols_): New data member.
2769         * object.h (Relobj::output_local_symbol_count): New function.
2770         (Relobj::local_symbol_offset): New function.
2771         (Relobj::do_output_local_symbol_count): New function.
2772         (Relobj::do_local_symbol_offset): New function.
2773         (Sized_relobj::do_output_local_symbol_count): New function.
2774         (Sized_relobj::do_local_symbol_offset): New function.
2775
2776 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2777
2778         * descriptors.cc (set_close_on_exec): New function.
2779         (Descriptors::open): Use set_close_on_exec.
2780         * output.cc (S_ISLNK): Define if not defined.
2781
2782 2011-04-22 Cary Coutant  <ccoutant@google.com>
2783
2784         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2785         global symbol map.
2786         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2787         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2788         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2789         relocations.
2790         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2791         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2792         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2793         * incremental.h
2794         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2795         function.
2796         (Incremental_binary::apply_incremental_relocs): New function.
2797         (Incremental_binary::do_apply_incremental_relocs): New function.
2798         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2799         data member.
2800         (Sized_incremental_binary::add_global_symbol): New function.
2801         (Sized_incremental_binary::global_symbol): New function.
2802         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2803         (Sized_incremental_binary::symbol_map_): New data member.
2804         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2805         * target.h (Sized_target::apply_relocation): New function.
2806         * target-reloc.h (apply_relocation): New function.
2807         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2808
2809 2011-04-22  Doug Kwan  <dougkwan@google.com>
2810
2811         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2812         flag of a SHT_ARM_EXIDX section.
2813         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2814         * testsuite/Makefile.in: Regenerate.
2815         * testsuite/arm_exidx_test.s: New file.
2816         * testsuite/arm_exidx_test.sh: Same.
2817
2818 2011-04-20 Cary Coutant  <ccoutant@google.com>
2819
2820         PR gold/12689
2821         * archive.h (Incremental_archive_entry::Archive_member):
2822         Initialize arg_serial_ (second constructor).
2823
2824 2011-04-17  Ian Lance Taylor  <iant@google.com>
2825
2826         * object.cc (Relocate_info::location): Simplify location string.
2827         * errors.cc (Errors::error_at_location): Don't print program
2828         name.
2829         (Errors::warning_at_location): Likewise.
2830         (Errors::undefined_symbol): Likewise.
2831         * testsuite/debug_msg.sh: Update accordingly.
2832
2833 2011-04-14 Cary Coutant  <ccoutant@google.com>
2834
2835         * gold/layout.cc (Layout::symtab_section_offset): New function.
2836         * gold/layout.h (Layout::symtab_section_offset): New function.
2837         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2838
2839 2011-04-12  Ian Lance Taylor  <iant@google.com>
2840
2841         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2842         with MREMAP_MAYMOVE.
2843         * output.h (class Output_file): Add map_is_allocated_ field.
2844         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2845         not available, provide stubs.  If mremap is not available, #define
2846         it to gold_mremap.
2847         (MREMAP_MAYMOVE): Define if not defined.
2848         (Output_file::Output_file): Initialize map_is_allocated_.
2849         (Output_file::resize): Check map_is_allocated_.
2850         (Output_file::map_anonymous): If mmap fails, use malloc.
2851         (Output_file::unmap): Don't do anything for an anonymous map.
2852         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2853         is not available, provide stubs.
2854         (File_read::View::~View): Use free rather than delete[].
2855         (File_read::make_view): Use malloc rather than new[].  If mmap
2856         fails, use malloc.
2857         (File_read::find_or_make_view): Use malloc rather than new[].
2858         * gold.h: Remove HAVE_REMAP code.
2859         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2860         exists.  Rename mremap to gold_mremap.  If mmap is not available
2861         don't do anything.
2862         * configure, config.in: Rebuild.
2863
2864 2011-04-11  Ian Lance Taylor  <iant@google.com>
2865
2866         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2867         initialize local variable v.
2868
2869 2011-04-11  Cary Coutant  <ccoutant@google.com>
2870
2871         * archive.cc (Archive::include_member): Adjust call to
2872         report_object.
2873         (Add_archive_symbols::run): Track argument serial numbers.
2874         (Lib_group::include_member): Likewise.
2875         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2876         * archive.h (Incremental_archive_entry::Archive_member):
2877         Initialize arg_serial_.
2878         (Archive_member::arg_serial_): New data member.
2879         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2880         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2881         incremental link.
2882         (Sized_dynobj::do_for_all_local_got_entries): New function.
2883         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2884         function.
2885         * fileread.cc (get_mtime): New function.
2886         * fileread.h (get_mtime): New function.
2887         * gold.cc (queue_initial_tasks): Check for incremental update.
2888         (process_incremental_input): New function.
2889         (queue_middle_tasks): Don't force valid target for incremental
2890         update.
2891         * incremental-dump.cc (find_input_containing_global): Adjust
2892         size of symbol info entry.
2893         (dump_incremental_inputs): Dump argument serial number and
2894         in_system_directory flag; bias shndx by 1; print symbol names
2895         when dumping per-file symbol lists; use new symbol info readers.
2896         * incremental.cc
2897         (Output_section_incremental_inputs:update_data_size): New function.
2898         (Sized_incremental_binary::setup_readers): Setup input readers
2899         for each input file; build maps for files added from libraries
2900         and scripts.
2901         (Sized_incremental_binary::check_input_args): New function.
2902         (Sized_incremental_binary::do_check_inputs): Build map of argument
2903         serial numbers to input arguments.
2904         (Sized_incremental_binary::do_file_has_changed): Rename
2905         do_file_is_unchanged to this; compare file modification times.
2906         (Sized_incremental_binary::do_init_layout): New function.
2907         (Sized_incremental_binary::do_reserve_layout): New function.
2908         (Sized_incremental_binary::do_get_input_reader): Remove.
2909         (Sized_incremental_binary::get_symtab_view): New function.
2910         (Incremental_checker::can_incrementally_link_output_file): Remove.
2911         (Incremental_inputs::report_command_line): Exclude --debug options.
2912         (Incremental_inputs::report_archive_begin): Add parameter; track
2913         argument serial numbers; don't put input file entry for archive
2914         before archive members.
2915         (Incremental_inputs::report_archive_end): Put input file entry
2916         for archive after archive members.
2917         (Incremental_inputs::report_object): Add parameter; track argument
2918         serial numbers and in_system_directory flag.
2919         (Incremental_inputs::report_script): Add parameter; track argument
2920         serial numbers.
2921         (Output_section_incremental_inputs::set_final_data_size): Adjust
2922         size of symbol info entry; check for forwarding symbols.
2923         (Output_section_incremental_inputs::write_input_files): Write
2924         in_system_directory flag and argument serial number.
2925         (Output_section_incremental_inputs::write_info_blocks): Map section
2926         indices between incremental info and original input file; store
2927         input section index for each symbol.
2928         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2929         change operator() to visit().
2930         (class Global_got_offset_visitor): Likewise.
2931         (class Global_symbol_visitor_got_plt):
2932         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2933         classes.
2934         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2935         (Sized_incr_relobj::do_read_symbols): New function.
2936         (Sized_incr_relobj::do_layout): New function.
2937         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2938         (Sized_incr_relobj::do_add_symbols): New function.
2939         (Sized_incr_relobj::do_should_include_member): New function.
2940         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2941         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2942         (Sized_incr_relobj::do_section_size): New function.
2943         (Sized_incr_relobj::do_section_name): New function.
2944         (Sized_incr_relobj::do_section_contents): New function.
2945         (Sized_incr_relobj::do_section_flags): New function.
2946         (Sized_incr_relobj::do_section_entsize): New function.
2947         (Sized_incr_relobj::do_section_address): New function.
2948         (Sized_incr_relobj::do_section_type): New function.
2949         (Sized_incr_relobj::do_section_link): New function.
2950         (Sized_incr_relobj::do_section_info): New function.
2951         (Sized_incr_relobj::do_section_addralign): New function.
2952         (Sized_incr_relobj::do_initialize_xindex): New function.
2953         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2954         (Sized_incr_relobj::do_read_relocs): New function.
2955         (Sized_incr_relobj::do_gc_process_relocs): New function.
2956         (Sized_incr_relobj::do_scan_relocs): New function.
2957         (Sized_incr_relobj::do_count_local_symbols): New function.
2958         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2959         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2960         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2961         (Sized_incr_relobj::do_relocate): New function.
2962         (Sized_incr_relobj::do_set_section_offset): New function.
2963         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2964         (Sized_incr_dynobj::do_read_symbols): New function.
2965         (Sized_incr_dynobj::do_layout): New function.
2966         (Sized_incr_dynobj::do_add_symbols): New function.
2967         (Sized_incr_dynobj::do_should_include_member): New function.
2968         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2969         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2970         (Sized_incr_dynobj::do_section_size): New function.
2971         (Sized_incr_dynobj::do_section_name): New function.
2972         (Sized_incr_dynobj::do_section_contents): New function.
2973         (Sized_incr_dynobj::do_section_flags): New function.
2974         (Sized_incr_dynobj::do_section_entsize): New function.
2975         (Sized_incr_dynobj::do_section_address): New function.
2976         (Sized_incr_dynobj::do_section_type): New function.
2977         (Sized_incr_dynobj::do_section_link): New function.
2978         (Sized_incr_dynobj::do_section_info): New function.
2979         (Sized_incr_dynobj::do_section_addralign): New function.
2980         (Sized_incr_dynobj::do_initialize_xindex): New function.
2981         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2982         (make_sized_incremental_object): New function.
2983         (Incremental_library::copy_unused_symbols): New function.
2984         (Incremental_library::do_for_all_unused_symbols): New function.
2985         * incremental.h (enum Incremental_input_flags): New type.
2986         (class Incremental_checker): Remove.
2987         (Incremental_input_entry::Incremental_input_entry): Add argument
2988         serial number.
2989         (Incremental_input_entry::arg_serial): New function.
2990         (Incremental_input_entry::set_is_in_system_directory): New function.
2991         (Incremental_input_entry::is_in_system_directory): New function.
2992         (Incremental_input_entry::arg_serial_): New data member.
2993         (Incremental_input_entry::is_in_system_directory_): New data member.
2994         (class Script_info): Move here from script.h.
2995         (Script_info::Script_info): Add filename parameter.
2996         (Script_info::filename): New function.
2997         (Script_info::filename_): New data member.
2998         (Incremental_script_entry::Incremental_script_entry): Add argument
2999         serial number.
3000         (Incremental_object_entry::Incremental_object_entry): Likewise.
3001         (Incremental_object_entry::add_input_section): Build list of input
3002         sections with map to original shndx.
3003         (Incremental_object_entry::get_input_section_index): New function.
3004         (Incremental_object_entry::shndx_): New data member.
3005         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3006         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3007         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3008         serial number.
3009         (Incremental_inputs::report_archive_begin): Likewise.
3010         (Incremental_inputs::report_object): Likewise.
3011         (Incremental_inputs::report_script): Likewise.
3012         (class Incremental_global_symbol_reader): New class.
3013         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3014         and store flags and input file type.
3015         (Incremental_input_entry_reader::arg_serial): New function.
3016         (Incremental_input_entry_reader::type): Extract type from flags.
3017         (Incremental_input_entry_reader::is_in_system_directory): New function.
3018         (Incremental_input_entry_reader::get_input_section_count): Call
3019         accessor function for type.
3020         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3021         function for type; adjust size of global symbol entry.
3022         (Incremental_input_entry_reader::get_global_symbol_count): Call
3023         accessor function for type.
3024         (Incremental_input_entry_reader::get_object_count): Likewise.
3025         (Incremental_input_entry_reader::get_object_offset): Likewise.
3026         (Incremental_input_entry_reader::get_member_count): Likewise.
3027         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3028         (Incremental_input_entry_reader::get_member_offset): Likewise.
3029         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3030         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3031         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3032         (Incremental_input_entry_reader::get_global_symbol_reader): New
3033         function.
3034         (Incremental_input_entry_reader::get_output_symbol_index): New
3035         function.
3036         (Incremental_input_entry_reader::type_): Remove.
3037         (Incremental_input_entry_reader::flags_): New data member.
3038         (Incremental_inputs_reader::input_file_offset): New function.
3039         (Incremental_inputs_reader::input_file_index): New function.
3040         (Incremental_inputs_reader::input_file): Call input_file_offset.
3041         (Incremental_inputs_reader::input_file_at_offset): New function.
3042         (Incremental_relocs_reader::get_r_type): Reformat.
3043         (Incremental_relocs_reader::get_r_shndx): Reformat.
3044         (Incremental_relocs_reader::get_r_offset): Reformat.
3045         (Incremental_relocs_reader::data): New function.
3046         (Incremental_binary::Incremental_binary): Initialize new data members.
3047         (Incremental_binary::check_inputs): Add cmdline parameter.
3048         (Incremental_binary::file_is_unchanged): Remove.
3049         (Input_reader::arg_serial): New function.
3050         (Input_reader::get_unused_symbol_count): New function.
3051         (Input_reader::get_unused_symbol): New function.
3052         (Input_reader::do_arg_serial): New function.
3053         (Input_reader::do_get_unused_symbol_count): New function.
3054         (Input_reader::do_get_unused_symbol): New function.
3055         (Incremental_binary::input_file_count): New function.
3056         (Incremental_binary::get_input_reader): Change signature to use
3057         index instead of filename.
3058         (Incremental_binary::file_has_changed): New function.
3059         (Incremental_binary::get_input_argument): New function.
3060         (Incremental_binary::get_library): New function.
3061         (Incremental_binary::get_script_info): New function.
3062         (Incremental_binary::init_layout): New function.
3063         (Incremental_binary::reserve_layout): New function.
3064         (Incremental_binary::output_file): New function.
3065         (Incremental_binary::do_check_inputs): New function.
3066         (Incremental_binary::do_file_is_unchanged): Remove.
3067         (Incremental_binary::do_file_has_changed): New function.
3068         (Incremental_binary::do_init_layout): New function.
3069         (Incremental_binary::do_reserve_layout): New function.
3070         (Incremental_binary::do_input_file_count): New function.
3071         (Incremental_binary::do_get_input_reader): Change signature.
3072         (Incremental_binary::input_args_map_): New data member.
3073         (Incremental_binary::library_map_): New data member.
3074         (Incremental_binary::script_map_): New data member.
3075         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3076         new data members.
3077         (Sized_incremental_binary::output_section): New function.
3078         (Sized_incremental_binary::inputs_reader): Add const.
3079         (Sized_incremental_binary::symtab_reader): Add const.
3080         (Sized_incremental_binary::relocs_reader): Add const.
3081         (Sized_incremental_binary::got_plt_reader): Add const.
3082         (Sized_incremental_binary::get_symtab_view): New function.
3083         (Sized_incremental_binary::Inputs_reader): New typedef.
3084         (Sized_incremental_binary::Input_entry_reader): New typedef.
3085         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3086         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3087         (Sized_incremental_binary::do_file_has_changed): New function.
3088         (Sized_incremental_binary::do_init_layout): New function.
3089         (Sized_incremental_binary::do_reserve_layout): New function.
3090         (Sized_input_reader::Inputs_reader): Remove.
3091         (Sized_input_reader::Input_entry_reader): Remove.
3092         (Sized_input_reader::do_arg_serial): New function.
3093         (Sized_input_reader::do_get_unused_symbol_count): New function.
3094         (Sized_input_reader::do_get_unused_symbol): New function.
3095         (Sized_incremental_binary::do_input_file_count): New function.
3096         (Sized_incremental_binary::do_get_input_reader): Change signature;
3097         use index instead of filename.
3098         (Sized_incremental_binary::section_map_): New data member.
3099         (Sized_incremental_binary::input_entry_readers_): New data member.
3100         (class Sized_incr_relobj): New class.
3101         (class Sized_incr_dynobj): New class.
3102         (make_sized_incremental_object): New function.
3103         (class Incremental_library): New class.
3104         * layout.cc (Free_list::num_lists): New static data member.
3105         (Free_list::num_nodes): New static data member.
3106         (Free_list::num_removes): New static data member.
3107         (Free_list::num_remove_visits): New static data member.
3108         (Free_list::num_allocates): New static data member.
3109         (Free_list::num_allocate_visits): New static data member.
3110         (Free_list::init): New function.
3111         (Free_list::remove): New function.
3112         (Free_list::allocate): New function.
3113         (Free_list::dump): New function.
3114         (Free_list::print_stats): New function.
3115         (Layout_task_runner::run): Resize output file for incremental updates.
3116         (Layout::Layout): Initialize new data members.
3117         (Layout::set_incremental_base): New function.
3118         (Layout::init_fixed_output_section): New function.
3119         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3120         incremental updates.
3121         (Layout::create_gold_note): Do not create gold note section for
3122         incremental updates.
3123         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3124         for incremental updates.
3125         (Layout::set_section_offsets): For incremental updates, allocate space
3126         from free list.
3127         (Layout::create_symtab_sections): Layout with offsets relative to
3128         start of section; for incremental updates, allocate space from free
3129         list.
3130         (Layout::create_shdrs): For incremental updates, allocate space from
3131         free list.
3132         (Layout::finish_dynamic_section): For incremental updates, do not
3133         check --as-needed (fixed in subsequent patch).
3134         * layout.h (class Free_list): New class.
3135         (Layout::set_incremental_base): New function.
3136         (Layout::incremental_base): New function.
3137         (Layout::init_fixed_output_section): New function.
3138         (Layout::allocate): New function.
3139         (Layout::incremental_base_): New data member.
3140         (Layout::free_list_): New data member.
3141         * main.cc (main): Print Free_list statistics.
3142         * object.cc (Relobj::finalize_incremental_relocs): Add
3143         clear_counts parameter; clear counts only when clear_counts is set.
3144         (Sized_relobj::Sized_relobj): Initialize new base class.
3145         (Sized_relobj::do_layout): Don't report special sections.
3146         (Sized_relobj::do_for_all_local_got_entries): New function.
3147         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3148         symtab_off to all symbol table offsets.
3149         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3150         * object.h (class Got_offset_list): Move to top of file.
3151         (Object::Object): Allow case where input_file == NULL.
3152         (Object::~Object): Likewise.
3153         (Object::input_file): Assert that input_file != NULL.
3154         (Object::lock): Allow case where input_file == NULL.
3155         (Object::unlock): Likewise.
3156         (Object::is_locked): Likewise.
3157         (Object::token): Likewise.
3158         (Object::release): Likewise.
3159         (Object::is_incremental): New function.
3160         (Object::get_mtime): New function.
3161         (Object::for_all_local_got_entries): New function.
3162         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3163         (Object::set_is_in_system_directory): New function.
3164         (Object::is_in_system_directory): New function.
3165         (Object::do_is_incremental): New function.
3166         (Object::do_get_mtime): New function.
3167         (Object::do_for_all_local_got_entries): New function.
3168         (Object::is_in_system_directory_): New data member.
3169         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3170         (class Sized_relobj_base): New class.
3171         (class Sized_relobj): Derive from Sized_relobj_base.
3172         (class Sized_relobj::Symbols): Redeclare from base class.
3173         (class Sized_relobj::local_got_offset_list): Remove.
3174         (class Sized_relobj::Output_sections): Redeclare from base class.
3175         (class Sized_relobj::do_for_all_local_got_entries): New function.
3176         (class Sized_relobj::write_local_symbols): Add offset parameter.
3177         (class Sized_relobj::local_symbol_offset_): Update comment.
3178         (class Sized_relobj::local_dynsym_offset_): Update comment.
3179         * options.cc (Input_arguments::add_file): Remove const.
3180         * options.h (Input_file_argument::Input_file_argument):
3181         Initialize arg_serial_ (all constructors).
3182         (Input_file_argument::set_arg_serial): New function.
3183         (Input_file_argument::arg_serial): New function.
3184         (Input_file_argument::arg_serial_): New data member.
3185         (Input_arguments::Input_arguments): Initialize file_count_.
3186         (Input_arguments::add_file): Remove const.
3187         (Input_arguments::number_of_input_files): New function.
3188         (Input_arguments::file_count_): New data member.
3189         (Command_line::number_of_input_files): Call
3190         Input_arguments::number_of_input_files.
3191         * output.cc (Output_segment_headers::Output_segment_headers):
3192         Set current size.
3193         (Output_section::Input_section::current_data_size): New function.
3194         (Output_section::Output_section): Initialize new data members.
3195         (Output_section::add_input_section): Don't do merge sections for
3196         an incremental link; allocate space from free list for an
3197         incremental update.
3198         (Output_section::add_output_section_data): Allocate space from
3199         free list for an incremental update.
3200         (Output_section::update_data_size): New function.
3201         (Output_section::set_fixed_layout): New function.
3202         (Output_section::reserve): New function.
3203         (Output_segment::set_section_addresses): Remove const.
3204         (Output_segment::set_section_list_addresses): Remove const; allocate
3205         space from free list for an incremental update.
3206         (Output_segment::set_offset): Adjust size of RELRO segment for an
3207         incremental update.
3208         * output.h (Output_data::current_data_size): Move here from
3209         child classes.
3210         (Output_data::pre_finalize_data_size): New function.
3211         (Output_data::update_data_size): New function.
3212         (Output_section_headers::update_data_size): new function.
3213         (Output_section_data_build::current_data_size): Move to Output_data.
3214         (Output_data_strtab::update_data_size): New function.
3215         (Output_section::current_data_size): Move to Output_data.
3216         (Output_section::set_fixed_layout): New function.
3217         (Output_section::has_fixed_layout): New function.
3218         (Output_section::reserve): New function.
3219         (Output_section::update_data_size): New function.
3220         (Output_section::has_fixed_layout_): New data member.
3221         (Output_section::free_list_): New data member.
3222         (Output_segment::set_section_addresses): Remove const.
3223         (Output_segment::set_section_list_addresses): Remove const.
3224         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3225         New function.
3226         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3227         New function.
3228         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3229         parameter when calling Add_symbols constructor; store argument
3230         serial number for members of a lib group.
3231         (Add_symbols::locks): Allow case where token == NULL.
3232         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3233         (Read_member::~Read_member): New function.
3234         (Read_member::is_runnable): New function.
3235         (Read_member::locks): New function.
3236         (Read_member::run): New function.
3237         (Check_script::~Check_script): New function.
3238         (Check_script::is_runnable): New function.
3239         (Check_script::locks): New function.
3240         (Check_script::run): New function.
3241         (Check_library::~Check_library): New function.
3242         (Check_library::is_runnable): New function.
3243         (Check_library::locks): New function.
3244         (Check_library::run): New function.
3245         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3246         (Add_symbols::library_): New data member.
3247         (class Read_member): New class.
3248         (class Check_script): New class.
3249         (class Check_library): New class.
3250         * reloc.cc (Read_relocs::is_runnable): Allow case where
3251         token == NULL.
3252         (Read_relocs::locks): Likewise.
3253         (Scan_relocs::locks): Likewise.
3254         (Relocate_task::locks): Likewise.
3255         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3256         to clear counters.
3257         (Sized_relobj::incremental_relocs_scan): Fix comment.
3258         (Sized_relobj::do_relocate): Pass output file offset to
3259         write_local_symbols.
3260         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3261         from class declaration.
3262         * script.cc (read_input_script): Allocate Script_info; pass
3263         argument serial number to report_script.
3264         * script.h (class Script_info): Move to incremental.h.
3265         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3266         * symtab.h (Symbol_table::add_from_incrobj): New function.
3267         (Symbol_table::set_file_offset): New function.
3268
3269 2011-04-05  Cary Coutant  <ccoutant@google.com>
3270
3271         * incremental-dump.cc (dump_incremental_inputs): Change signature
3272         to take a Sized_incremental_binary; change caller.  Use readers
3273         in Sized_incremental_binary.
3274         * incremental.cc
3275         (Sized_incremental_binary::find_incremental_inputs_sections):
3276         Rename do_find_incremental_inputs_sections to this.
3277         (Sized_incremental_binary::setup_readers): New function.
3278         (Sized_incremental_binary::do_check_inputs): Check
3279         has_incremental_info_ flag; move setup code to setup_readers;
3280         use input readers.
3281         (Sized_incremental_binary::do_file_is_unchanged): New function.
3282         (Sized_incremental_binary::do_get_input_reader): New function.
3283         * incremental.h (class Incremental_binary): Move to end of file.
3284         (Incremental_binary::file_is_unchanged): New function.
3285         (Incremental_binary::do_file_is_unchanged): New function.
3286         (Incremental_binary::Input_reader): New class.
3287         (Incremental_binary::get_input_reader): New function.
3288         (class Sized_incremental_binary): Move to end of file.
3289         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3290         input section reader classes.
3291         (Sized_incremental_binary::has_incremental_info): New function.
3292         (Sized_incremental_binary::inputs_reader): New function.
3293         (Sized_incremental_binary::symtab_reader): New function.
3294         (Sized_incremental_binary::relocs_reader): New function.
3295         (Sized_incremental_binary::got_plt_reader): New function.
3296         (Sized_incremental_binary::do_file_is_unchanged): New function.
3297         (Sized_incremental_binary::Sized_input_reader): New class.
3298         (Sized_incremental_binary::get_input_reader): New function.
3299         (Sized_incremental_binary::find_incremental_inputs_sections):
3300         Rename do_find_incremental_inputs_sections to this.
3301         (Sized_incremental_binary::setup_readers): New function.
3302         (Sized_incremental_binary::has_incremental_info_): New data member.
3303         (Sized_incremental_binary::inputs_reader_): New data member.
3304         (Sized_incremental_binary::symtab_reader_): New data member.
3305         (Sized_incremental_binary::relocs_reader_): New data member.
3306         (Sized_incremental_binary::got_plt_reader_): New data member.
3307         (Sized_incremental_binary::current_input_file_): New data member.
3308
3309 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
3310
3311         PR gold/12640
3312         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
3313         violation.
3314
3315 2011-03-30  Cary Coutant  <ccoutant@google.com>
3316
3317         * archive.cc (Archive::include_member): Adjust call to report_object.
3318         (Add_archive_symbols::run): Add script_info to call to
3319         report_archive_begin.
3320         (Lib_group::include_member): Adjust call to report_object.
3321         (Add_lib_group_symbols::run): Adjust call to report_object.
3322         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
3323         blocks.  Add object count for script input files.
3324         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3325         script_info parameter; change all callers.
3326         (Incremental_inputs::report_object): Add script_info parameter;
3327         change all callers.
3328         (Incremental_inputs::report_script): Store backpointer to
3329         incremental info entry.
3330         (Output_section_incremental_inputs::set_final_data_size): Record
3331         additional information for scripts.
3332         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3333         * incremental.h (Incremental_script_entry::add_object): New function.
3334         (Incremental_script_entry::get_object_count): New function.
3335         (Incremental_script_entry::get_object): New function.
3336         (Incremental_script_entry::objects_): New data member; adjust
3337         constructor.
3338         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3339         (Incremental_inputs::report_object): Add script_info parameter.
3340         (Incremental_inputs_reader::get_object_count): New function.
3341         (Incremental_inputs_reader::get_object_offset): New function.
3342         * options.cc (Input_arguments::add_file): Return reference to
3343         new input argument.
3344         * options.h (Input_argument::set_script_info): New function.
3345         (Input_argument::script_info): New function.
3346         (Input_argument::script_info_): New data member; adjust all
3347         constructors.
3348         (Input_file_group::add_file): Return reference to new input argument.
3349         (Input_file_lib::add_file): Likewise.
3350         (Input_arguments::add_file): Likewise.
3351         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3352         * script.cc (Parser_closure::Parser_closure): Add script_info
3353         parameter; adjust all callers.
3354         (Parser_closure::script_info): New function.
3355         (Parser_closure::script_info_): New data member.
3356         (read_input_script): Report scripts earlier to incremental info.
3357         (script_add_file): Set script_info in Input_argument.
3358         (script_add_library): Likewise.
3359         * script.h (Script_options::Script_info): Rewrite class.
3360
3361 2011-03-29  Cary Coutant  <ccoutant@google.com>
3362
3363         * archive.cc (Library_base::should_include_member): Move
3364         method here from class Archive.
3365         (Archive::Archive): Initialize base class.
3366         (Archive::should_include_member): Move to base class.
3367         (Archive::do_for_all_unused_symbols): New function.
3368         (Add_archive_symbols::run): Remove redundant access to
3369         incremental_inputs.
3370         (Lib_group::Lib_group): Initialize base class.
3371         (Lib_group::do_filename): New function.
3372         (Lib_group::include_member): Pass pointer to Lib_group to
3373         report_object.
3374         (Lib_group::do_for_all_unused_symbols): New function.
3375         (Add_lib_group_symbols::run): Report archive information for
3376         incremental links.
3377         * archive.h (class Library_base): New base class.
3378         (class Archive): Derive from Library_base.
3379         (Archive::filename): Move to base class.
3380         (Archive::set_incremental_info): Likewise.
3381         (Archive::incremental_info): Likewise.
3382         (Archive::Should_include): Likewise.
3383         (Archive::should_include_member): Likewise.
3384         (Archive::Armap_entry): Remove.
3385         (Archive::Unused_symbol_iterator): Remove.
3386         (Archive::unused_symbols_begin): Remove.
3387         (Archive::unused_symbols_end): Remove.
3388         (Archive::do_filename): New function.
3389         (Archive::do_get_mtime): New function.
3390         (Archive::do_for_all_unused_symbols): New function.
3391         (Archive::task_): Move to base class.
3392         (Archive::incremental_info_): Likewise.
3393         (class Lib_group): Derive from Library_base.
3394         (Lib_group::do_filename): New function.
3395         (Lib_group::do_get_mtime): New function.
3396         (Lib_group::do_for_all_unused_symbols): New function.
3397         (Lib_group::task_): Move to base class.
3398         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3399         function.
3400         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3401         function.
3402         * incremental.cc (Incremental_inputs::report_archive_begin):
3403         Use Library_base; call library's get_mtime; add incremental inputs
3404         entry before members.
3405         (class Unused_symbol_visitor): New class.
3406         (Incremental_inputs::report_archive_end): Use Library_base; use
3407         visitor class to record unused symbols; don't add incremental inputs
3408         entry after members.
3409         (Incremental_inputs::report_object): Use Library_base.
3410         * incremental.h
3411         (Incremental_archive_entry::Incremental_archive_entry): Remove
3412         unused Archive parameter.
3413         (Incremental_inputs::report_archive_begin): Use Library_base.
3414         (Incremental_inputs::report_archive_end): Likewise.
3415         (Incremental_inputs::report_object): Likewise.
3416         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3417         function.
3418         * object.h (Object::for_all_global_symbols): New function.
3419         (Object::do_for_all_global_symbols): New function.
3420         (Sized_relobj::do_for_all_global_symbols): New function.
3421         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3422         function.
3423         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3424         function.
3425
3426 2011-03-27  Ian Lance Taylor  <iant@google.com>
3427
3428         * archive.cc (Archive::interpret_header): Return -1 if something
3429         goes wrong.  Change callers accordingly.
3430
3431 2011-03-25  Cary Coutant  <ccoutant@google.com>
3432
3433         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3434         * testsuite/Makefile.in: Regenerate.
3435
3436 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3437
3438         * plugin.cc (get_view): New.
3439         (Plugin::load): Pass get_view to the plugin.
3440         (Plugin_manager::get_view): New.
3441
3442 2011-03-21  Ian Lance Taylor  <iant@google.com>
3443
3444         * testsuite/final_layout.sh: Rewrite to not use dc.
3445         * testsuite/relro_test.sh: Fail if dc is not present.
3446
3447 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3448
3449         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3450         Change == to -eq.
3451         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3452         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3453         Change == to -eq.
3454         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3455         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3456
3457 2011-03-14  Ian Lance Taylor  <iant@google.com>
3458
3459         * script-sections.cc (Sort_output_sections::script_compare):
3460         Rename from is_before, change return type.
3461         (Sort_output_sections::operator()): Adjust accordingly.
3462
3463 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3464
3465         PR gold/12572
3466         * testsuite/odr_violation2.cc: Add comment to make all error line
3467         numbers double digits.
3468         * testsuite/debug_msg.sh: Adjust expected errors.
3469
3470 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3471
3472         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3473         but mark earlier ones as non-canonical
3474         (offset_to_iterator): Update search target and example
3475         (do_addr2line): Return extra lines in a vector*
3476         (format_file_lineno): Extract from do_addr2line
3477         (one_addr2line): Add vector* out-param
3478         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3479         when a lineno entry appeared last for its instruction
3480         (Dwarf_line_info): Add vector* out-param
3481         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3482         * symtab.cc (Odr_violation_compare): Include the lineno in the
3483         comparison again.
3484         (linenos_from_loc): New. Combine the canonical line for an
3485         address with its other lines.
3486         (True_if_intersect): New. Helper functor to make
3487         std::set_intersection a query.
3488         (detect_odr_violations): Compare sets of lines instead of just
3489         one line for each function. This became less deterministic, but
3490         has fewer false positives.
3491         * symtab.h: Declarations.
3492         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3493         mix an optimized and non-optimized object in the same binary
3494         (odr_violation2.so): Same.
3495         * testsuite/Makefile.in: Regenerate from Makefile.am.
3496         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3497         * testsuite/debug_msg.sh: Update line numbers and add
3498         assertions.
3499         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3500         non-optimized context.
3501         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3502         isn't inlined, and use OdrDerived in an optimized context.
3503         * testsuite/odr_header1.h: Defines OdrDerived, where
3504         optimization will change the
3505         first-instruction-in-the-destructor's file and line number.
3506         * testsuite/odr_header2.h: Defines OdrBase.
3507
3508 2011-03-09  Ian Lance Taylor  <iant@google.com>
3509
3510         * fileread.cc (File_read::clear_views): Don't delete the whole
3511         file view.
3512
3513 2011-03-08  Ian Lance Taylor  <iant@google.com>
3514
3515         PR gold/12525
3516         * fileread.cc: #include <climits>.
3517         (GOLD_IOV_MAX): Define.
3518         (File_read::read_multiple): Limit number of entries by iov_max.
3519         * fileread.h (class File_read): Always set max_readv_entries to
3520         128.
3521
3522 2011-03-07  Ian Lance Taylor  <iant@google.com>
3523
3524         PR gold/12525
3525         * options.h (class General_options): Add -dy and -dn.
3526
3527 2011-03-02  Cary Coutant  <ccoutant@google.com>
3528
3529         * testsuite/script_test_9.t: Add TLS segment.
3530
3531 2011-03-02  Simon Baldwin  <simonb@google.com>
3532
3533         * configure.ac: Add check for gnu_indirect_function support in
3534         the toolchain building binutils.
3535         * configure: Rebuild.
3536
3537 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3538
3539         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3540         plugin only symbols.
3541         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3542         in plugin files as not needed in the symbol table.
3543
3544 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3545
3546         * output.cc (Output_section::add_input_section): Delay fill
3547         generation for section ordering.
3548
3549 2011-02-09  Ian Lance Taylor  <iant@google.com>
3550
3551         PR gold/12316
3552         * object.h (class Sized_relobj): Remove clear_local_symbols.
3553         * reloc.cc (Sized_relobj::do_relocate): Don't call
3554         clear_local_symbols.
3555
3556 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3557
3558         * plugin.cc (is_visible_from_outside): Return true for symbols
3559         in the -u option.
3560
3561 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3562
3563         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3564         filename.
3565
3566 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3567
3568         * icf.h (is_section_foldable_candidate): Change type of parameter
3569         to std::string.
3570         * icf.cc (Icf::find_identical_sections): Change type of local variable
3571         section_name to be std::string.
3572         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3573
3574 2011-01-25  Ian Lance Taylor  <iant@google.com>
3575
3576         * script.cc (script_add_extern): Rewrite to use
3577         add_symbol_reference.
3578
3579 2011-01-25  Doug Kwan  <dougkwan@google.com>
3580
3581         * icf.cc (get_section_contents): Always lock section's object.
3582
3583 2011-01-24  Ian Lance Taylor  <iant@google.com>
3584
3585         * options.h (class General_options): Accept
3586         --no-detect-odr-violations.
3587
3588 2011-01-24  Ian Lance Taylor  <iant@google.com>
3589
3590         * version.cc (version_string): Bump to 1.11.
3591
3592 2011-01-24  Ian Lance Taylor  <iant@google.com>
3593
3594         * plugin.cc (class Plugin_rescan): Define new class.
3595         (Plugin_manager::claim_file): Set any_claimed_.
3596         (Plugin_manager::save_archive): New function.
3597         (Plugin_manager::save_input_group): New function.
3598         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3599         necessary.
3600         (Plugin_manager::new_undefined_symbol): New function.
3601         (Plugin_manager::rescan): New function.
3602         (Plugin_manager::rescannable_defines): New function.
3603         (Plugin_manager::add_input_file): Set any_added_.
3604         * plugin.h (class Plugin_manager): define new fields rescannable_,
3605         undefined_symbols_, any_claimed_, and any_added_.  Declare
3606         Plugin_rescan as friend.  Declare new functions.
3607         (Plugin_manager::Rescannable): Define type.
3608         (Plugin_manager::Rescannable_list): Define type.
3609         (Plugin_manager::Undefined_symbol_list): Define type.
3610         (Plugin_manager::Plugin_manager): Initialize new fields.
3611         * archive.cc (Archive::defines_symbol): New function.
3612         (Add_archive_symbols::run): Pass archive to plugins if any.
3613         * archive.h (class Archive): Declare defines_symbol.
3614         * readsyms.cc (Input_group::~Input_group): New function.
3615         (Finish_group::run): Pass input_group to plugins if any.
3616         * readsyms.h (class Input_group): Declare destructor.
3617         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3618         any.
3619
3620 2011-01-10  Ian Lance Taylor  <iant@google.com>
3621
3622         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3623         section as relro.
3624         (Layout::set_segment_offsets): Reset increase_relro before calling
3625         set_section_addresses a second time.
3626
3627 2011-01-04  Cary Coutant  <ccoutant@google.com>
3628
3629         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3630         sections before NOBITS sections.
3631
3632 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3633
3634         * version.cc (print_version): Update copyright to 2011.
3635
3636 2010-12-23  Cary Coutant  <ccoutant@google.com>
3637
3638         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3639         of OS to this->add.  Add OD parameter to second form of the function.
3640
3641 2010-12-20  Ian Lance Taylor  <iant@google.com>
3642
3643         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3644         second of two consecutive entries with same offset.
3645
3646 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3647
3648         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3649         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3650         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3651         to avoid unneeded links against $(LDADD).
3652         * testsuite/Makefile.in: Regenerate.
3653
3654 2010-12-15  Ian Lance Taylor  <iant@google.com>
3655
3656         PR gold/12324
3657         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3658         for R_X86_64_32 and R_X86_64_PC32.
3659         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3660         ver_matching_def_pic.o.
3661         (ver_matching_def_pic.o): New target.
3662
3663 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3664
3665         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3666         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3667         Move definition before File_read::View member definitions.
3668         (File_read::View::~View): Initialize and hold lock before
3669         updating current_mapped_bytes.
3670
3671 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3672
3673         * dwarf_reader.cc: Remove outdated comment.
3674         * gold-threads.cc: Fix typo in error message.
3675         * archive.cc: Fix typos in comments.
3676         * archive.h: Likewise.
3677         * arm-reloc-property.cc: Likewise.
3678         * arm-reloc-property.h: Likewise.
3679         * arm-reloc.def: Likewise.
3680         * arm.cc: Likewise.
3681         * attributes.h: Likewise.
3682         * cref.cc: Likewise.
3683         * ehframe.cc: Likewise.
3684         * fileread.h: Likewise.
3685         * gold.h: Likewise.
3686         * i386.cc: Likewise.
3687         * icf.cc: Likewise.
3688         * incremental.h: Likewise.
3689         * int_encoding.cc: Likewise.
3690         * layout.h: Likewise.
3691         * main.cc: Likewise.
3692         * merge.h: Likewise.
3693         * object.cc: Likewise.
3694         * object.h: Likewise.
3695         * options.cc: Likewise.
3696         * readsyms.cc: Likewise.
3697         * reduced_debug_output.cc: Likewise.
3698         * reloc.cc: Likewise.
3699         * script-sections.cc: Likewise.
3700         * sparc.cc: Likewise.
3701         * symtab.h: Likewise.
3702         * target-reloc.h: Likewise.
3703         * target.cc: Likewise.
3704         * target.h: Likewise.
3705         * timer.cc: Likewise.
3706         * timer.h: Likewise.
3707         * x86_64.cc: Likewise.
3708
3709 2010-12-09  Cary Coutant  <ccoutant@google.com>
3710
3711         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3712         stack.
3713         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3714         parameter; change all callers.
3715         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3716         * options.h (warn_execstack): New option.
3717
3718 2010-12-07  Doug Kwan  <dougkwan@google.com>
3719
3720         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3721         like function call relocations.
3722
3723 2010-12-07  Ian Lance Taylor  <iant@google.com>
3724
3725         * archive.cc (Archive::get_elf_object_for_member): Permit
3726         punconfigured to be NULL.
3727         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3728         (Archive::include_member): Pass NULL to get_elf_object_for_member
3729         if we searched for the archive and this is the first included
3730         object.
3731
3732 2010-12-01  Ian Lance Taylor  <iant@google.com>
3733
3734         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3735         track_relocs_type_ field.
3736         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3737         Set track_relocs_type_.
3738         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3739         contents when using RELA relocs.
3740         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3741         reloc_map_.
3742         * reloc.cc (Track_relocs::next_addend): New function.
3743         * reloc.h (class Track_relocs): Declare next_addend.
3744
3745 2010-12-01  Ian Lance Taylor  <iant@google.com>
3746
3747         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3748         virtual destructor.
3749
3750 2010-12-01  Ian Lance Taylor  <iant@google.com>
3751
3752         * README: Update compilers known to work and fail.
3753
3754 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3755
3756         * configure.in: For --enable-gold, handle value `default' instead of
3757         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3758         not the default.
3759         * configure: Regenerate.
3760
3761 2010-11-18  Doug Kwan  <dougkwan@google.com>
3762
3763         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3764         and right_alignment to be zero.  Store result alignment only if it is
3765         greater than existing alignment.
3766
3767 2010-11-16  Cary Coutant  <ccoutant@google.com>
3768
3769         PR gold/12220
3770         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3771         Check for ".zdebug_line".
3772
3773 2010-11-16  Doug Kwan  <dougkwan@google.com>
3774             Cary Coutant  <ccoutant@google.com>
3775
3776         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3777         by reference; adjust all callers.
3778         * output.cc (Output_segment::set_section_addresses): Adjust references
3779         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3780         list is empty.
3781         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3782         end at page boundary.
3783
3784 2010-11-16  Cary Coutant  <ccoutant@google.com>
3785
3786         PR gold/12220
3787         * layout.cc (Layout::choose_output_section): Transform names of
3788         compressed sections even when using a script with a SECTIONS clause.
3789         (Layout::output_section_name): Remove code to transform
3790         compressed debug section names.
3791         * output.cc (Output_section::add_input_section): Use uncompressed
3792         section size when tracking input sections.
3793
3794 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3795
3796         * symtab.h (Symbol::NON_PIC_REF): Remove.
3797         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3798         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3799         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3800         (Symbol::use_plt_offset): Take a flags argument and pass it
3801         directly to needs_dynamic_reloc.  Restrict check for undefined
3802         weak symbols to function calls.
3803         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3804         (Target_arm::Scan::global): Use it.
3805         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3806         (Target_arm::Relocate::relocate): Likewise.
3807         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3808         parameter with an r_type parameter.  Use get_reference_flags
3809         to get the flags.
3810         (Target_arm::Relocate::relocate): Update accordingly.
3811         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3812         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3813         (Target_i386::Scan::global): Likewise.
3814         (Target_i386::Relocate::relocate): Likewise.
3815         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3816         parameter with an r_type parameter.  Use get_reference_flags
3817         to get the flags.
3818         (Target_i386::Relocate::relocate): Update accordingly.
3819         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3820         (Target_powerpc::Scan::global): Use it.
3821         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3822         (Target_powerpc::Relocate::relocate): Likewise.
3823         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3824         (Target_sparc::Scan::global): Use it.
3825         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3826         (Target_sparc::Relocate::relocate): Likewise.
3827         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3828         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3829         (Target_x86_64::Scan::global): Likewise.
3830         (Target_x86_64::Relocate::relocate): Likewise.
3831
3832 2010-11-08  Doug Kwan  <dougkwan@google.com>
3833             Cary Coutant  <ccoutant@google.com>
3834
3835         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3836         (Arm_exidx_merge_section::section_contents_): New data member.
3837         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3838         (Arm_input_section::~Arm_input_section): De-allocate memory.
3839         (Arm_input_section::original_contents_): New data member.
3840         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3841         in parameters instead of calling Object::section_contents without
3842         locking.
3843         (Arm_output_section::group_section): New parameter TASK.  Pass it
3844         to callees that need locking objects.
3845         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3846         to lock EXIDX input sections.  Fix a formatting issue.  Call
3847         Arm_exidx_merged_section::build_contents to create merged section
3848         contents.
3849         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3850         to lock object of stub table owner.
3851         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3852         TEXT_SIZE to initialize data member TEXT_SIZE_.
3853         (Arm_exidx_input_section::addralign): Fix typo in comment.
3854         (Arm_exidx_input_section::text_size): New method.
3855         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3856         that require locking objects.  Lock objects before scanning for stubs
3857         and updating local symbols.
3858         (Arm_input_section<big_endian>::init): Copy contents of original
3859         input section.
3860         (Arm_input_section<big_endian>::do_write): Use saved contents of
3861         original input section instead of calling Object::section_contents
3862         without locking.
3863         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3864         size without calling Object::section_size().
3865         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3866         for size.  Allocate a buffer for merged EXIDX entries.
3867         (Arm_exidx_merged_section::build_contents): New method.
3868         (Arm_exidx_merged_section::do_write): Move merge section contents
3869         building code to Arm_exidx_merged_section::build_contetns.  Write
3870         out contetns in buffer instead of building it on the fly.
3871         (Arm_relobj::make_exidx_input_section): Also pass text section size
3872         to Arm_exidx_input_section constructor.
3873         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3874         (Arm_dynobj::do_read_symbols): Fix memory leak.
3875         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3876         * target.h: (class Task): Add forward declaration.
3877         (Target::relax): Add new parameter TASK and pass it to
3878         Target::do_relax().
3879         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3880
3881 2010-11-05  Cary Coutant  <ccoutant@google.com>
3882
3883         PR gold/10708
3884         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3885         object when reading from the file.
3886         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3887         second layout pass.
3888         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3889         when reading section contents.
3890         (get_section_contents): Likewise.
3891         (icf::find_identical_sections): Likewise.
3892         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3893         object when reading from the file.
3894         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3895         the object when doing deferred section layout.
3896
3897 2010-11-03  Nick Clifton  <nickc@redhat.com>
3898
3899         PR gold/12001
3900         * script.h (class Symbol_assignment: name): New member.  Returns
3901         the name of the symbol.
3902         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3903         Returns true if the given symbol name is on the list of
3904         assignments wating to be processed.
3905         * archive.cc (should_incldue_member): If the symbol is undefined,
3906         check to see if it is on the list of symbols pending assignment.
3907
3908 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3909
3910         * script-sections.cc (Script_sections::find_memory_region): Check
3911         for a NULL output section pointer.
3912
3913 2010-10-29  Doug Kwan  <dougkwan@google.com>
3914
3915         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3916         Output_section::add_relaxed_input_section.
3917         * output.cc (Output_section::add_relaxed_input_section): Add new
3918         arguments LAYOUT and NAME.  Set section order index.
3919         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3920         Copy section order index.
3921         * output.h (Output_section::add_relaxed_input_section): Add new
3922         arguments LAYOUT and NAME.
3923
3924 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3925
3926         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3927         NATIVE_OR_CROSS_LINKER.
3928         * testsuite/Makefile.in: Regenerate.
3929
3930 2010-10-20  Doug Kwan  <dougkwan@google.com>
3931
3932         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3933         without SHF_LINK_ORDER flags.
3934         * layout.cc (Layout::choose_output_section): Do not filter
3935         SHF_LINK_ORDER flag in a relocatable link.
3936
3937 2010-10-17  Cary Coutant  <ccoutant@google.com>
3938
3939         * output.h (Output_segment::set_section_addresses): Change function
3940         signature.  Update all callers.
3941         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3942         sections.
3943         (Output_segment::set_section_addresses): Align after last TLS
3944         section.  Add padding before last relro section instead of after.
3945
3946 2010-10-17  Doug Kwan  <dougkwan@google.com>
3947
3948         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3949         GOT output section to be writable.
3950
3951 2010-10-14  Cary Coutant  <ccoutant@google.com>
3952
3953         * debug.h (DEBUG_INCREMENTAL): New flag.
3954         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3955         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3956         mode.
3957         * incremental.cc (report_command_line): Ignore all forms of
3958         --incremental.
3959         * layout.cc (Layout::Layout): Check parameters for incremental link
3960         mode.
3961         * options.cc (General_options::parse_incremental): New function.
3962         (General_options::parse_no_incremental): New function.
3963         (General_options::parse_incremental_full): New function.
3964         (General_options::parse_incremental_update): New function.
3965         (General_options::incremental_mode_): New data member.
3966         (General_options::finalize): Check incremental_mode_.
3967         * options.h (General_options): Update help text for --incremental.
3968         Add --no-incremental, --incremental-full, --incremental-update.
3969         (General_options::Incremental_mode): New enum type.
3970         (General_options::incremental_mode): New function.
3971         (General_options::incremental_mode_): New data member.
3972         * parameters.cc (Parameters::incremental_mode_): New data member.
3973         (Parameters::set_options): Set incremental_mode_.
3974         (Parameters::set_incremental_full): New function.
3975         (Parameters::incremental): New function.
3976         (Parameters::incremental_update): New function.
3977         (set_parameters_incremental_full): New function.
3978         * parameters.h (Parameters::set_incremental_full): New function.
3979         (Parameters::incremental): New function.
3980         (Parameters::incremental_update): New function.
3981         (Parameters::incremental_mode_): New data member.
3982         (set_parameters_incremental_full): New function.
3983         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3984         incremental link mode.
3985         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3986         (Sized_relobj::do_relocate_sections): Likewise.
3987         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3988         option.
3989         * testsuite/Makefile.in: Regenerate.
3990         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3991
3992 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3993
3994         * script-sections.h (class Script_sections): Make
3995         Sections_elements typedef public.
3996         * script-sections.cc (class Sort_output_sections): Add elements_
3997         field.  Add constructor which sets it; change all callers.
3998         (Sort_output_sections::is_before): New function.
3999         (Sort_output_sections::operator()): Call is_before.
4000         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4001         conditional.
4002         * testsuite/script_test_10.sh: New test. Test script section
4003         order.
4004         * testsuite/script_test_10.t: Likewise.
4005         * testsuite/script_test_10.s: Likewise.
4006         * testsuite/Makefile.am: Wrap the cross linker tests and the
4007         common tests into NATIVE_OR_CROSS_LINKER.
4008         (check_SCRIPTS): Add script_test_10.sh.
4009         (check_DATA): Add script_test_10.stdout.
4010         (script_test_10.o, script_test_10): New targets.
4011         (script_test_10.stdout): New target.
4012         * configure, testsuite/Makefile.in: Regenerate.
4013
4014 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4015
4016         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4017         error for the deprecated relocations.
4018         (Target_arm::Scan::global): Likewise.
4019         (Target_arm::Relocate::relocate): Likewise.
4020
4021 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4022
4023         * fileread.cc (Input_file::find_file): Initialize *found_name
4024         and *namep when using the fallback search for case 4.
4025
4026 2010-10-11  Cary Coutant  <ccoutant@google.com>
4027
4028         * options.h (class General_options): Redefine -z lazy as an alias for
4029         the negation of -z now.
4030
4031 2010-10-11  Ian Lance Taylor  <iant@google.com>
4032
4033         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4034         binding.
4035
4036 2010-10-06  Nick Clifton  <nickc@redhat.com>
4037
4038         * script-sections.cc(class Memory_region): Remove
4039         current_lma_offset_ field.  Rename current_vma_offset_ to
4040         current_offset_.  Add last_section_ field.
4041         (Memory_region::get_current_vma_address): Rename to
4042         get_current_address.
4043         (Memory_region::get_current_lma_address): Delete.
4044         (Memory_region::increment_vma_offset): Rename to
4045         increment_offset.
4046         (Memory_region::increment_lma_offset): Delete.
4047         (Memory_region::attributes_compatible): New method.  Returns
4048         true if the provided section is compatible with the region.
4049         (Memory_region::get_last_section): New method.  Returns the last
4050         section to use the region.
4051         (Memory_region::set_last_section): New method.  Stores the last
4052         section to use the region.
4053         (Script_sections::block_in_region): New method.  Returns true if
4054         a block of memory is contained within a region.
4055         (Script_sections::find_memory_region): New method.  Locates a
4056         memory region to be used to set a VMA or LMA address.
4057         (Output_section_definition::set_section_addresses): Add code to
4058         check for addresses set by memory regions.
4059         (Output_segment::set_section_addresses): Remove memory region
4060         walking code.
4061         (Script_sections::create_segment): Add a warning if a header
4062         segment is created outside of any region.
4063         * script-sections.h (class Script_sections): Add prototypes for
4064         find_memory_region and block_in_region methods.
4065         * testsuite/memory_test.s: Use .long instead of .word.
4066         * testsuite/memory_test.t: Add some more output sections.
4067         * testsuite/memory_test.sh: Update expected output.
4068
4069 2010-10-02  Doug Kwan  <dougkwan@google.com>
4070
4071         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4072         defintion to symtab.h
4073         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4074         declaration to defintion.
4075
4076 2010-10-01  Nick Clifton  <nickc@redhat.com>
4077
4078         * expression.cc (eval): Replace dummy argument with NULL.
4079         (eval_maybe_dot): Check for a NULL result section pointer.
4080         (Symbol_expression::value): Likewise.
4081         (Dot_expression::value): Likewise.
4082         (BINARY_EXPRESSION): Likewise.
4083         (Max_expression::value): Likewise.
4084         (Min_expression::value): Likewise.
4085         (Absolute_expression::value): Likewise.
4086         (Addr_expression::value_from_output_section): Likewise.
4087         (Loaddddr_expression::value_from_output_section): Likewise.
4088         (Segment_start_expression::value): Likewise.
4089         * script-sections.cc
4090         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4091         argument with NULL.
4092         (Sections_elememt_dot_assignment::set_section_addresses):
4093         Likewise.
4094         (Output_data_expression::do_write_to_buffer): Likewise.
4095         (Output_section_definition::finalize_symbols): Likewise.
4096         (Output_section_definition::set_section_addresses): Likewise.
4097
4098 2010-09-30  Doug Kwan  <dougkwan@google.com>
4099
4100         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4101
4102 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4103
4104         * target.h (Target::can_icf_inline_merge_sections): New virtual
4105         function.
4106         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4107         virtual function.
4108         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4109         virtual function.
4110         * icf.cc (get_section_contents): Inline merge sections only when
4111         target allows it.
4112
4113 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4114
4115         * configure: Regenerate.
4116
4117 2010-09-17  Ian Lance Taylor  <iant@google.com>
4118
4119         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4120         * testsuite/Makefile.am (memory_test.o): New target.
4121         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4122         memory_test.t.
4123         * testsuite/Makefile.in: Rebuild.
4124
4125 2010-09-17  Doug Kwan  <dougkwan@google.com>
4126
4127         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4128         defintion if relocation uses GOT entries of the symbol.
4129         * testsuite/icf_safe_test.sh: Fix test.
4130         * testsuite/icf_safe_so_test.sh: Fix test.
4131
4132 2010-09-16  Cary Coutant  <ccoutant@google.com>
4133
4134         * script_sections.cc (class Memory_region): Remove "NULL" from
4135         vector initializations.
4136
4137 2010-09-15  Cary Coutant  <ccoutant@google.com>
4138
4139         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4140         Resolve forwarding symbols.
4141
4142 2010-09-15  Doug Kwan  <dougkwan@google.com>
4143
4144         * gold/testsuite/script_test_3.t: Add ARM special sections.
4145         * gold/testsuite/script_test_4.t: Same.
4146         * gold/testsuite/script_test_5.t: Same.
4147         * gold/testsuite/script_test_6.t: Same.
4148         * gold/testsuite/script_test_7.t: Same.
4149         * gold/testsuite/script_test_7.t: Same.
4150         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4151
4152 2010-09-14  Cary Coutant  <ccoutant@google.com>
4153
4154         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4155         (Target_x86_64::Relocate::relocate_tls): Replace check for
4156         saw_tls_block_reloc_ with test for executable section.
4157
4158 2010-09-12  Cary Coutant  <ccoutant@google.com>
4159
4160         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4161         position-independent executables to shared libraries need dynamic
4162         relocations.
4163         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4164         position-independent executables.
4165         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4166         * testsuite/Makefile.in: Regenerate.
4167
4168 2010-09-10  Nick Clifton  <nickc@redhat.com>
4169
4170         PR gold/11997
4171         * testsuite/memory_test.t: Discard any sections that are not
4172         needed.
4173
4174 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4175
4176         PR gold/11996
4177         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4178         "This::" to work around a bug in gcc 4.2.
4179
4180         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4181
4182 2010-09-09  Rafael Espindola  <espindola@google.com>
4183
4184         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4185         sections with different PF_X flags in the same segment.
4186         (Layout::find_first_load_seg): Search all segments to find the first
4187         one.
4188         * options.h (rosegment): New.
4189
4190 2010-09-08  Rafael Espindola  <espindola@google.com>
4191
4192         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4193
4194 2010-09-08  Doug Kwan  <dougkwan@google.com>
4195
4196         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4197         (Arm_relobj::do_relocate_sections): Add new parameter for output
4198         file to match the parent.
4199         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4200         of local symbols instead of input values.  Update code to track
4201         changes in gold::relocate_section.
4202         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4203         (Sized_relobj::compute_final_local_value_internal): New methods.
4204         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4205         body into private version of Sized_relobj::compute_final_local_value.
4206         Call the inline method.
4207         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4208         merged symbol value if there is one.
4209         (Symbol_value::has_output_value): New method defintiion.
4210         (Sized_relobj::Compute_final_local_value_status): New enum type.
4211         (Sized_relobj::compute_final_local_value): New methods.
4212         (Sized_relobj::compute_final_local_value_internal): New methods.
4213         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4214         and arm_cortex_a8.sh.
4215         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4216         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4217         New tests.
4218         * Makefile.in: Regenerate.
4219         * testsuite/arm_bl_out_of_range.s: Update test.
4220         * testsuite/thumb_bl_out_of_range.s: Ditto.
4221         * testsuite/thumb_blx_out_of_range.s: Ditto.
4222         * testsuite/arm_branch_out_of_range.sh: New file.
4223         * testsuite/arm_cortex_a8.sh: Ditto.
4224         * testsuite/arm_cortex_a8_b.s: Ditto.
4225         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4226         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4227         * testsuite/arm_cortex_a8_bl.s: Ditto.
4228         * testsuite/arm_cortex_a8_blx.s: Ditto.
4229         * testsuite/arm_cortex_a8_local.s: Ditto.
4230         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4231         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4232
4233 2010-09-08  Rafael Espindola  <espindola@google.com>
4234
4235         * Makefile.am (memory_test.stdout): Run readelf with -W.
4236         * Makefile.in: Regenerate.
4237         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4238         64 bit output.
4239
4240 2010-09-08  Rafael Espindola  <espindola@google.com>
4241
4242         * script-sections.cc (Script_sections::add_memory_region): Convert
4243         field precision to int.
4244         * script.cc (script_set_section_region, script_set_section_region):
4245         Convert field precision to int.
4246
4247 2010-09-08  Rafael Espindola  <espindola@google.com>
4248
4249         * arm.cc (do_finalize_sections): Create the __exidx_start and
4250         __exdix_end symbols even when the section is missing.
4251
4252 2010-09-08  Nick Clifton  <nickc@redhat.com>
4253
4254         * README: Remove claim that MEMORY is not supported.
4255         * expression.cc (script_exp_function_origin)
4256         (script_exp_function_length): Move from here to ...
4257         * script.cc: ... here.
4258         (script_set_section_region, script_add_memory)
4259         (script_parse_memory_attr, script_include_directive): New
4260         functions.
4261         * script-sections.cc
4262         (class Memory_region): New class.
4263         (class Output_section_definition): Add set_memory_region,
4264         set_section_vma, set_section_lma and get_section_name methods.
4265         (class Script_Sections): Add add_memory_region,
4266         find_memory_region, find_memory_region_origin,
4267         find_memory_region_length and set_memory_region methods.
4268         Have set_section_addresses method walk the list of set memory
4269         regions.
4270         Extend the print methos to display memory regions.
4271         * script-sections.h: Add prototypes for new methods.
4272         Add enum for MEMORY region attributes.
4273         * yyscript.y: Add support for parsing MEMORY regions.
4274         * script-c.h: Add prototypes for new functions.
4275         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4276         * testsuite/Makefile.in: Regenerate.
4277         * testsuite/memory_test.sh: New script.
4278         * testsuite/memory_test.s: New assembler source file.
4279         * testsuite/memory_test.t: New linker script.
4280
4281 2010-08-27  Doug Kwan  <dougkwan@google.com>
4282
4283         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4284         reference override an existing dynamic weak reference.
4285         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4286         * testsuite/Makefile.in: Regenerate.
4287         * testsuite/dyn_weak_ref.sh: New file.
4288         * testsuite/dyn_weak_ref_1.c: Ditto.
4289         * testsuite/dyn_weak_ref_2.c: Ditto.
4290
4291 2010-08-27  Ian Lance Taylor  <iant@google.com>
4292
4293         * incremental.h (class Incremental_input_entry): Add virtual
4294         destructor.
4295
4296 2010-08-27  Ian Lance Taylor  <iant@google.com>
4297
4298         * testsuite/start_lib_test_3.c: Mark t3 as used.
4299
4300 2010-08-27  Nick Clifton  <nickc@redhat.com>
4301
4302         * options.cc (version_script): Fix small typo in previous
4303         whitespace tidyup.
4304
4305 2010-08-25  Nick Clifton  <nickc@redhat.com>
4306
4307         * archive.cc: Formatting fixes: Remove whitespace between
4308         typename and following asterisk.  Remove whitespace between
4309         function name and opening parenthesis.
4310         * archive.h: Likewise.
4311         * arm.cc: Likewise.
4312         * attributes.cc: Likewise.
4313         * attributes.h: Likewise.
4314         * common.cc: Likewise.
4315         * copy-relocs.cc: Likewise.
4316         * dirsearch.h: Likewise.
4317         * dynobj.cc: Likewise.
4318         * ehframe.cc: Likewise.
4319         * ehframe.h: Likewise.
4320         * expression.cc: Likewise.
4321         * fileread.cc: Likewise.
4322         * fileread.h: Likewise.
4323         * gc.h: Likewise.
4324         * gold-threads.cc: Likewise.
4325         * gold.cc: Likewise.
4326         * i386.cc: Likewise.
4327         * icf.h: Likewise.
4328         * incremental-dump.cc: Likewise.
4329         * incremental.cc: Likewise.
4330         * layout.cc: Likewise.
4331         * layout.h: Likewise.
4332         * main.cc: Likewise.
4333         * merge.cc: Likewise.
4334         * merge.h: Likewise.
4335         * object.cc: Likewise.
4336         * object.h: Likewise.
4337         * options.cc: Likewise.
4338         * options.h: Likewise.
4339         * output.cc: Likewise.
4340         * output.h: Likewise.
4341         * plugin.cc: Likewise.
4342         * plugin.h: Likewise.
4343         * powerpc.cc: Likewise.
4344         * reloc.cc: Likewise.
4345         * script-c.h: Likewise.
4346         * script-sections.cc: Likewise.
4347         * script.cc: Likewise.
4348         * stringpool.cc: Likewise.
4349         * symtab.cc: Likewise.
4350         * symtab.h: Likewise.
4351         * target.cc: Likewise.
4352         * timer.cc: Likewise.
4353         * timer.h: Likewise.
4354         * version.cc: Likewise.
4355         * x86_64.cc: Likewise.
4356
4357 2010-08-24  Nick Clifton  <nickc@redhat.com>
4358
4359         PR 11899
4360         * layout.cc (segment_precedes): Sort segments by their physical
4361         addresses, if they have been set.
4362
4363 2010-08-23  Cary Coutant  <ccoutant@google.com>
4364
4365         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4366         symbols data.
4367         (Lib_group::include_member): Unlock object after deleting its
4368         symbols data.
4369         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
4370         the bug fixed here.
4371
4372 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
4373             Cary Coutant  <ccoutant@google.com>
4374
4375         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
4376         constructor, and set_blocker.
4377         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
4378         readsyms_blocker_.
4379         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
4380         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
4381         * testsuite/Makefile.am (start_lib_test): New test case.
4382         * testsuite/Makefile.in: Regenerate.
4383         * testsuite/start_lib_test_main.c: New file.
4384         * testsuite/start_lib_test_1.c: New file.
4385         * testsuite/start_lib_test_2.c: New file.
4386         * testsuite/start_lib_test_3.c: New file.
4387
4388 2010-08-19  Ian Lance Taylor  <iant@google.com>
4389
4390         * Makefile.in: Rebuild with automake 1.11.1.
4391         * aclocal.m4: Likewise.
4392         * testsuite/Makefile.in: Likewise.
4393
4394 2010-08-19  Ian Lance Taylor  <iant@google.com>
4395
4396         PR 10893
4397         * i386.cc (class Output_data_plt_i386): Update declarations.
4398         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4399         local_ifuncs_ fields.
4400         (Target_i386::do_plt_section_for_global): New function.
4401         (Target_i386::do_plt_section_for_local): New function.
4402         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4403         parameter; change all callers.  Initialize global_ifuncs_ and
4404         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4405         __rel_iplt_end.
4406         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4407         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4408         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4409         symbols.
4410         (Target_i386::make_plt_section): New function, broken out of
4411         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4412         (Target_i386::make_plt_entry): Call make_plt_section.
4413         (Target_i386::make_local_ifunc_plt_entry): New function.
4414         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4415         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4416         R_386_IRELATIVE to switch.
4417         (Target_i386::Scan::global): Likewise.
4418         (Target_i386::Relocate::relocate): Likewise.
4419         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4420         switch.
4421         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4422         (Target_x86_64::do_plt_section_for_global): New function.
4423         (Target_x86_64::do_plt_section_for_local): New function.
4424         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4425         parameter; change all callers.  If doing a static link define
4426         __rela_iplt_start and __rela_iplt_end.
4427         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4428         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4429         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4430         to point to .plt.
4431         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4432         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4433         switch.
4434         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4435         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4436         R_X86_64_IRELATIVE to switch.
4437         (Target_x86_64::Scan::global): Likewise.
4438         (Target_x86_64::Relocate::relocate): Likewise.
4439         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4440         switch.
4441         * target.h (class Target): Add plt_section_for_global and
4442         plt_section_for_local functions.  Add do_plt_section_for_global
4443         and do_plt_section_for_local virtual functions.
4444         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4445         clarifying comments.
4446         (Symbol::use_plt_offset): Handle IFUNC symbol.
4447         * object.cc (Sized_relobj::Sized_relobj): Initialize
4448         local_plt_offsets_.
4449         (Sized_relobj::local_has_plt_offset): New function.
4450         (Sized_relobj::local_plt_offset): New function.
4451         (Sized_relobj::set_local_plt_offset): New function.
4452         (Sized_relobj::do_count): Handle IFUNC symbol.
4453         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4454         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4455         is_ifunc_symbol functions.
4456         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4457         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4458         local_plt_offsets_ field.
4459         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4460         * output.h (class Output_section_data): Add non-const
4461         output_section function.
4462         (class Output_data_got): Update declarations.
4463         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4464         Add use_plt_offset parameter to global and local constructors.
4465         Change all callers.  Change local_sym_index_ field to 31 bits.
4466         Change GSYM_CODE and CONSTANT_CODE accordingly.
4467         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4468         doing a static link don't set sh_link field.
4469         (Output_data_got::Got_entry::write): Use PLT offset if
4470         appropriate.
4471         (Output_data_got::add_global_plt): New function.
4472         (Output_data_got::add_local_plt): New function.
4473         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4474         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4475         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4476         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4477         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4478         IFUNC conditional.
4479         * testsuite/ifunc-sel.h: New file.
4480         * testsuite/ifuncmain1.c: New file.
4481         * testsuite/ifuncmain1vis.c: New file.
4482         * testsuite/ifuncmod1.c: New file.
4483         * testsuite/ifuncdep2.c: New file.
4484         * testsuite/ifuncmain2.c: New file.
4485         * testsuite/ifuncmain3.c: New file.
4486         * testsuite/ifuncmod3.c: New file.
4487         * testsuite/ifuncmain4.c: New file.
4488         * testsuite/ifuncmain5.c: New file.
4489         * testsuite/ifuncmod5.c: New file.
4490         * testsuite/ifuncmain6pie.c: New file.
4491         * testsuite/ifuncmod6.c: New file.
4492         * testsuite/ifuncmain7.c: New file.
4493         * configure, testsuite/Makefile.in: Rebuild.
4494
4495 2010-08-18  Ian Lance Taylor  <iant@google.com>
4496
4497         * incremental.cc
4498         (Output_section_incremental_inputs::write_input_files): Add cast
4499         to avoid signed/unsigned comparison warning.
4500         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4501
4502 2010-08-12  Cary Coutant  <ccoutant@google.com>
4503
4504         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4505
4506 2010-08-13  Ian Lance Taylor  <iant@google.com>
4507
4508         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4509
4510 2010-08-12  Cary Coutant  <ccoutant@google.com>
4511             Doug Kwan  <dougkwan@google.com>
4512
4513         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4514         defintion overrides non-weak undef, remember that the original undef
4515         is not weak.
4516         * symtab.cc (Symbol_table::sized_write_global): For undef without
4517         an original weak binding, set binding to global in output.
4518         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4519         * testsuite/Makefile.in: Regenerate.
4520         * testsuite/strong_ref_weak_def.sh: New file.
4521         * testsuite/strong_ref_weak_def_1.c: Ditto.
4522         * testsuite/strong_ref_weak_def_2.c: Ditto.
4523
4524 2010-08-12  Cary Coutant  <ccoutant@google.com>
4525
4526         * testsuite/incremental_test.sh: Rewrite.
4527         * testsuite/incremental_test_1.c: Rewrite.
4528         * testsuite/incremental_test_2.c: Rewrite.
4529
4530 2010-08-12  Cary Coutant  <ccoutant@google.com>
4531
4532         * arm.cc (Target_arm::got_size): Add const.
4533         (Target_arm::got_entry_count): New function.
4534         (Target_arm::plt_entry_count): New function.
4535         (Target_arm::first_plt_entry_offset): New function.
4536         (Target_arm::plt_entry_size): New function.
4537         (Output_data_plt_arm::entry_count): New function.
4538         (Output_data_plt_arm::first_plt_entry_offset): New function.
4539         (Output_data_plt_arm::get_plt_entry_size): New function.
4540         * i386.cc (Target_i386::got_size): Add const.
4541         (Target_i386::got_entry_count): New function.
4542         (Target_i386::plt_entry_count): New function.
4543         (Target_i386::first_plt_entry_offset): New function.
4544         (Target_i386::plt_entry_size): New function.
4545         (Output_data_plt_i386::entry_count): New function.
4546         (Output_data_plt_i386::first_plt_entry_offset): New function.
4547         (Output_data_plt_i386::get_plt_entry_size): New function.
4548         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4549         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4550         * incremental.cc: Include target.h.
4551         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4552         parameter.  Adjust all callers.  Find incremental_got_plt section.
4553         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4554         section.
4555         (Output_section_incremental_inputs::set_final_data_size): Calculate
4556         size of incremental_got_plt section.
4557         (Output_section_incremental_inputs::do_write): Write the
4558         incremental_got_plt section.
4559         (Got_plt_view_info): New struct.
4560         (Local_got_offset_visitor): New class.
4561         (Global_got_offset_visitor): New class.
4562         (Global_symbol_visitor_got_plt): New class.
4563         (Output_section_incremental_inputs::write_got_plt): New function.
4564         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4565         Add parameter.  Adjust all callers.
4566         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4567         (Incremental_inputs::got_plt_section): New function.
4568         (Incremental_inputs::got_plt_section_): New data member.
4569         (Incremental_got_plt_reader): New class.
4570         * layout.cc (Layout::create_incremental_info_sections): Add the
4571         incremental_got_plt section.
4572         * object.h (Got_offset_list::get_list): New function.
4573         (Got offset_list::for_all_got_offsets): New function.
4574         (Sized_relobj::local_got_offset_list): New function.
4575         * powerpc.cc (Target_powerpc::got_size): Add const.
4576         (Target_powerpc::got_entry_count): New function.
4577         (Target_powerpc::plt_entry_count): New function.
4578         (Target_powerpc::first_plt_entry_offset): New function.
4579         (Target_powerpc::plt_entry_size): New function.
4580         (Output_data_plt_powerpc::entry_count): New function.
4581         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4582         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4583         * sparc.cc (Target_sparc::got_size): Add const.
4584         (Target_sparc::got_entry_count): New function.
4585         (Target_sparc::plt_entry_count): New function.
4586         (Target_sparc::first_plt_entry_offset): New function.
4587         (Target_sparc::plt_entry_size): New function.
4588         (Output_data_plt_sparc::entry_count): New function.
4589         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4590         (Output_data_plt_sparc::get_plt_entry_size): New function.
4591         * symtab.h (Symbol::got_offset_list): New function.
4592         (Symbol_table::for_all_symbols): New function.
4593         * target.h (Sized_target::got_entry_count): New function.
4594         (Sized_target::plt_entry_count): New function.
4595         (Sized_target::plt_entry_size): New function.
4596         * x86_64.cc (Target_x86_64::got_size): Add const.
4597         (Target_x86_64::got_entry_count): New function.
4598         (Target_x86_64::plt_entry_count): New function.
4599         (Target_x86_64::first_plt_entry_offset): New function.
4600         (Target_x86_64::plt_entry_size): New function.
4601         (Output_data_plt_x86_64::entry_count): New function.
4602         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4603         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4604
4605 2010-08-12  Cary Coutant  <ccoutant@google.com>
4606
4607         * archive.cc: Include incremental.h.
4608         (Archive::Archive): Initialize incremental_info_.
4609         (Archive::include_member): Record archive members in incremental info.
4610         (Add_archive_symbols::run): Record begin and end of an archive in
4611         incremental info.
4612         (Lib_group::include_member): Record objects in incremental info.
4613         * archive.h (Incremental_archive_entry): Forward declaration.
4614         (Archive::set_incremental_info): New member function.
4615         (Archive::incremental_info): New member function.
4616         (Archive::Unused_symbol_iterator): New class.
4617         (Archive::unused_symbols_begin): New member function.
4618         (Archive::unused_symbols_end): New member function.
4619         (Archive::incremental_info_): New data member.
4620         * incremental-dump.cc (find_input_containing_global): New function.
4621         (dump_incremental_inputs): Dump new incremental info sections.
4622         * incremental.cc: Include symtab.h.
4623         (Output_section_incremental_inputs): New class.
4624         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4625         new incremental info sections.
4626         (Sized_incremental_binary::do_check_inputs): Likewise.
4627         (Incremental_inputs::report_archive): Remove.
4628         (Incremental_inputs::report_archive_begin): New function.
4629         (Incremental_inputs::report_archive_end): New function.
4630         (Incremental_inputs::report_object): New function.
4631         (Incremental_inputs::finalize_inputs): Remove.
4632         (Incremental_inputs::report_input_section): New function.
4633         (Incremental_inputs::report_script): Rewrite.
4634         (Incremental_inputs::finalize): Do nothing but finalize string table.
4635         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4636         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4637         (Incremental_inputs::create_data_sections): New function.
4638         (Incremental_inputs::relocs_entsize): New function.
4639         (Output_section_incremental_inputs::set_final_data_size): New function.
4640         (Output_section_incremental_inputs::do_write): New function.
4641         (Output_section_incremental_inputs::write_header): New function.
4642         (Output_section_incremental_inputs::write_input_files): New function.
4643         (Output_section_incremental_inputs::write_info_blocks): New function.
4644         (Output_section_incremental_inputs::write_symtab): New function.
4645         * incremental.h (Incremental_script_entry): Forward declaration.
4646         (Incremental_object_entry): Forward declaration.
4647         (Incremental_archive_entry): Forward declaration.
4648         (Incremental_inputs): Forward declaration.
4649         (Incremental_inputs_header_data): Remove.
4650         (Incremental_inputs_header): Remove.
4651         (Incremental_inputs_header_write): Remove.
4652         (Incremental_inputs_entry_data): Remove.
4653         (Incremental_inputs_entry): Remove.
4654         (Incremental_inputs_entry_write): Remove.
4655         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4656         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4657         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4658         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4659         Likewise.
4660         (Incremental_input_entry): New class.
4661         (Incremental_script_entry): New class.
4662         (Incremental_object_entry): New class.
4663         (Incremental_archive_entry): New class.
4664         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4665         (Incremental_inputs::report_inputs): Remove.
4666         (Incremental_inputs::report_archive): Remove.
4667         (Incremental_inputs::report_archive_begin): New function.
4668         (Incremental_inputs::report_archive_end): New function.
4669         (Incremental_inputs::report_object): Change prototype.
4670         (Incremental_inputs::report_input_section): New function.
4671         (Incremental_inputs::report_script): Change prototype.
4672         (Incremental_inputs::get_reloc_count): New function.
4673         (Incremental_inputs::set_reloc_count): New function.
4674         (Incremental_inputs::create_data_sections): New function.
4675         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4676         (Incremental_inputs::inputs_section): New function.
4677         (Incremental_inputs::symtab_section): New function.
4678         (Incremental_inputs::relocs_section): New function.
4679         (Incremental_inputs::get_stringpool): Add const.
4680         (Incremental_inputs::command_line): Add const.
4681         (Incremental_inputs::inputs): Remove.
4682         (Incremental_inputs::command_line_key): New function.
4683         (Incremental_inputs::input_file_count): New function.
4684         (Incremental_inputs::input_files): New function.
4685         (Incremental_inputs::relocs_entsize): New function.
4686         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4687         (Incremental_inputs::finalize_inputs): Remove.
4688         (Incremental_inputs::Input_info): Remove.
4689         (Incremental_inputs::lock_): Remove.
4690         (Incremental_inputs::inputs_): Change type.
4691         (Incremental_inputs::inputs_map_): Remove.
4692         (Incremental_inputs::current_object_entry_): New data member.
4693         (Incremental_inputs::inputs_section_): New data member.
4694         (Incremental_inputs::symtab_section_): New data member.
4695         (Incremental_inputs::relocs_section_): New data member.
4696         (Incremental_inputs::reloc_count_): New data member.
4697         (Incremental_inputs_reader): New class.
4698         (Incremental_symtab_reader): New class.
4699         (Incremental_relocs_reader): New class.
4700         * layout.cc (Layout::finalize): Move finalization of incremental info
4701         and creation of incremental info sections to follow finalization of
4702         symbol table.  Set offsets for postprocessing sections.
4703         (Layout::create_incremental_info_sections): Call
4704         Incremental_inputs::create_data_sections.  Add incremental symtab
4705         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4706         sections to layout after input sections.
4707         * layout.h (struct Timespec): Forward declaration.
4708         (Layout::incremental_inputs): Add const.
4709         (Layout::create_incremental_info_sections): Add parameter.
4710         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4711         * object.cc: Include incremental.h.
4712         (Relobj::finalize_incremental_relocs): New function.
4713         (Sized_relobj::do_layout): Record input sections in incremental info.
4714         * object.h (Object::output_section): New function.
4715         (Object::output_section_offset): Moved from Relobj.
4716         (Object::get_incremental_reloc_base): New function.
4717         (Object::get_incremental_reloc_count): New function.
4718         (Object::do_output_section): New function.
4719         (Object::do_output_section_offset): Moved from Relobj.
4720         (Object::do_get_incremental_reloc_base): New function.
4721         (Object::do_get_incremental_reloc_count): New function.
4722         (Object::Object): Initialize new data members.
4723         (Relobj::output_section): Renamed do_output_section and moved to
4724         protected.
4725         (Relobj::output_section_offset): Moved to Object.
4726         (Relobj::do_get_incremental_reloc_base): New function.
4727         (Relobj::do_get_incremental_reloc_count): New function.
4728         (Relobj::allocate_incremental_reloc_counts): New function.
4729         (Relobj::count_incremental_reloc): New function.
4730         (Relobj::finalize_incremental_relocs): New function.
4731         (Relobj::next_incremental_reloc_index): New function.
4732         (Relobj::reloc_counts_): New data member.
4733         (Relobj::reloc_bases_): New data member.
4734         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4735         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4736         (Sized_relobj::incremental_relocs_scan): New function.
4737         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4738         (Sized_relobj::incremental_relocs_write): New function.
4739         (Sized_relobj::incremental_relocs_write_reltype): New function.
4740         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4741         incremental link.
4742         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4743         archives and object files elsewhere.
4744         (Add_symbols::run): Report object files here.
4745         (Finish_group::run): Report end of archive at end of group.
4746         * reloc.cc: Include layout.h, incremental.h.
4747         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4748         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4749         (Sized_relobj::incremental_relocs_scan): New function.
4750         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4751         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4752         (Sized_relobj::incremental_relocs_write): New function.
4753         (Sized_relobj::incremental_relocs_write_reltype): New function.
4754         * script.cc (read_input_script): Rewrite test for incremental link.
4755         Change call to Incremental_inputs::report_script.
4756         * symtab.h (Symbol_table::first_global_index): New function.
4757         (Symbol_table::output_count): New function.
4758
4759 2010-08-12  Doug Kwan  <dougkwan@google.com>
4760
4761         * arm.cc (Target_arm::merge_object_attributes): Check command line
4762         options --no-wchar-size-warning and --no-enum-size-warning.
4763         * options.h (General_options): Add ld-compatible options
4764         --no-enum-size-warning and --no-wchar-size-warning.
4765
4766 2010-08-04  Ian Lance Taylor  <iant@google.com>
4767
4768         * x86_64.cc (Target_x86_64::Scan::local): Use
4769         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4770         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4771         (Target_x86_64::Scan::global): Likewise.
4772         (Target_x86_64::Relocate::relocate): Likewise.
4773         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4774         Likewise.
4775
4776 2010-08-03  Cary Coutant  <ccoutant@google.com>
4777
4778         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4779         to reserve space in merged_strings vector. Keep total input size
4780         for stats.
4781         (Output_merge_string::do_print_merge_stats): Print total input size.
4782         * merge.h (Output_merge_string): Add input_size_ field.
4783         * stringpool.cc (Stringpool_template::string_length): Move
4784         implementations out of Stringpool_template class and place in
4785         stringpool.h.
4786         * stringpool.h (string_length): Move out of Stringpool_template.
4787
4788 2010-08-03  Ian Lance Taylor  <iant@google.com>
4789
4790         PR 11712
4791         * layout.cc (relaxation_loop_body): If address of load segment is
4792         set, adjust address to include headers if possible.
4793
4794 2010-08-03  Ian Lance Taylor  <iant@google.com>
4795
4796         * version.cc (version_string): Bump to 1.10.
4797
4798 2010-08-03  Ian Lance Taylor  <iant@google.com>
4799
4800         PR 11805
4801         * layout.h (enum Output_section_order): Define.
4802         (class Layout): Update declarations.
4803         * layout.cc (Layout::get_output_section): Add order parameter.
4804         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4805         is_first_non_relro parameters.  Change all callers.
4806         (Layout::choose_output_section): Likewise.
4807         (Layout::add_output_section_data): Likewise.
4808         (Layout::make_output_section): Likewise.  Set order.
4809         (Layout::default_section_order): New function.
4810         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4811         * output.cc (Output_section::Output_section): Initialize order_.
4812         Don't initialize deleted fields.
4813         (Output_segment::Output_segment): Don't initialize deleted
4814         fields.
4815         (Output_segment::add_output_section_to_load): New function
4816         replacing add_output_section.  Change all callers to call this or
4817         add_output_section_to_nonload.
4818         (Output_segment::add_output_section_to_nonload): New function.
4819         (Output_segment::remove_output_section): Rewrite.
4820         (Output_segment::add_initial_output_data): Likewise.
4821         (Output_segment::has_any_data_sections): Likewise.
4822         (Output_segment::is_first_section_relro): Likewise.
4823         (Output_segment::maximum_alignment): Likewise.
4824         (Output_segment::has_dynamic_reloc): New function replacing
4825         dynamic_reloc_count.  Change all callers.
4826         (Output_segment::has_dynamic_reloc_list): New function replacing
4827         dynamic_reloc_count_list.  Change all callers.
4828         (Output_segment::set_section_addresses): Rewrite.
4829         (Output_segment::set_offset): Rewrite.
4830         (Output_segment::find_first_and_last_list): Remove.
4831         (Output_segment::set_tls_offsets): Rewrite.
4832         (Output_segment::first_section_load_address): Likewise.
4833         (Output_segment::output_section_count): Likewise.
4834         (Output_segment::section_with_lowest_load_address): Likewise.
4835         (Output_segment::write_section_headers): Likewise.
4836         (Output_segment::print_sections_to_map): Likewise.
4837         * output.h (class Output_data): Remove dynamic_reloc_count_
4838         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4839         (Output_data::add_dynamic_reloc): Rewrite.
4840         (Output_data::has_dynamic_reloc): New function.
4841         (Output_data::dynamic_reloc_count): Remove.
4842         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4843         is_last_relro_, is_first_non_relro_, is_interp_,
4844         is_dynamic_linker_section_ fields.  Add order and set_order
4845         functions.  Remove is_relro_local, set_is_relro_local,
4846         is_last_relro, set_is_last_relro, is_first_non_relro,
4847         set_is_first_non_relro functions, is_interp, set_is_interp,
4848         is_dynamic_linker_section, and set_is_dynamic_linker_section
4849         functions.
4850         (class Output_segment): Change Output_data_list from std::list to
4851         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4852         output_bss_ fields.  Update declarations.
4853
4854 2010-08-02  Ian Lance Taylor  <iant@google.com>
4855
4856         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4857         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4858         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4859
4860 2010-08-02  Ian Lance Taylor  <iant@google.com>
4861
4862         PR 11855
4863         * script.cc (Script_options::Script_options): Initialize
4864         symbol_definitions_ and symbol_references_.
4865         (Script_options::add_symbol_assignment): Update
4866         symbol_definitions_ and symbol_references_.
4867         (Script_options::add_symbol_reference): New function.
4868         (script_symbol): New function.
4869         * script.h (class Script_options): Add symbol_definitions_ and
4870         symbol_references_ fields.
4871         (Script_options::referenced_const_iterator): New type.
4872         (Script_options::referenced_begin): New function.
4873         (Script_options::referenced_end): New function.
4874         (Script_options::is_referenced): New function.
4875         (Script_options::any_unreferenced): New function.
4876         * script-c.h (script_symbol): Declare.
4877         * yyscript.y (exp): Call script_symbol.
4878         * symtab.cc: Include "script.h".
4879         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4880         Change all callers.  Check symbols referenced by scripts.
4881         (Symbol_table::add_undefined_symbols_from_command_line): Add
4882         layout parameter.  Change all callers.
4883         (Symbol_table::do_add_undefined_symbols_from_command_line):
4884         Likewise.  Break out loop body.  Check symbols referenced by
4885         scripts.
4886         (Symbol_table::add_undefined_symbol_from_command_line): New
4887         function broken out of
4888         do_add_undefined_symbols_from_command_line.
4889         * symtab.h (class Symbol_table): Update declarations.
4890         * archive.cc: Include "layout.h".
4891         (Archive::should_include_member): Add layout parameter.  Change
4892         all callers.  Check for symbol mentioned in expression.
4893         * archive.h (class Archive): Update declaration.
4894         * object.cc (Sized_relobj::do_should_include_member): Add layout
4895         parameter.
4896         * object.h (Object::should_include_member): Add layout parameter.
4897         Change all callers.
4898         (Object::do_should_include_member): Add layout parameter.
4899         (class Sized_relobj): Update declaration.
4900         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4901         parameter.
4902         * dynobj.h (class Sized_dynobj): Update declaration.
4903         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4904         layout parameter.
4905         * plugin.h (class Sized_pluginobj): Update declaration.
4906
4907 2010-08-02  Ian Lance Taylor  <iant@google.com>
4908
4909         PR 11866
4910         * output.cc (Output_segment::set_offset): Search for the first and
4911         last sections rather than assuming that the list is in order.
4912         (Output_segment::find_first_and_last_list): New function.
4913         * output.h (class Output_segment): Update declarations.
4914         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4915         (relro_strip_test_SOURCES): New variable.
4916         (relro_strip_test_DEPENDENCIES): New variable.
4917         (relro_strip_test_LDFLAGS): New variable.
4918         (relro_strip_test_LDADD): New variable.
4919         (relro_strip_test.so): New target.
4920
4921 2010-08-02  Ian Lance Taylor  <iant@google.com>
4922
4923         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4924         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4925         (Target_i386::got_tlsdesc_section): New function.
4926         (Target_i386::got_section): Create space for GOT entries for
4927         TLSDESC relocations.
4928         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4929         R_386_TLS_GOTDESC.
4930         (Target_i386::Scan::global): Likewise.
4931         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4932         using TLSDESC GOT.
4933         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4934         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4935         (Target_x86_64::got_tlsdesc_section): New function.
4936         (Target_x86_64::got_section): Create space for GOT entries for
4937         TLSDESC relocations.
4938         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4939         R_386_TLS_GOTDESC.
4940         (Target_x86_64::Scan::global): Likewise.
4941         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4942         using TLSDESC GOT.
4943
4944 2010-08-02  Ian Lance Taylor  <iant@google.com>
4945
4946         * testsuite/final_layout.sh: Use dc to convert from hex to
4947         decimal.
4948
4949 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4950
4951         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4952         paramter to the call to gold::gc_process_relocs.
4953         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4954         paramter to the call to gold::gc_process_relocs.
4955         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4956         parameter to the call to gold::gc_process_relocs.
4957         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4958         template parameter to the call to gold::gc_process_relocs.
4959         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4960         paramter to the call to gold::gc_process_relocs.
4961         * gc.h (get_embedded_addend_size): New function.
4962         (gc_process_relocs): Save the size of the reloc for use by ICF.
4963         * icf.cc (get_section_contents): Get the addend from the text section
4964         for SHT_REL relocation sections.
4965         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4966         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4967         * int_encoding.h (read_from_pointer): New overloaded function.
4968         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4969         * testsuite/icf_sht_rel_addend_test.sh: New file.
4970         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4971         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4972
4973 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4974
4975         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4976         * Makefile.in: Regenerate.
4977         * testsuite/Makefile.in: Regenerate.
4978
4979 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4980
4981         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4982         * gold/testsuite/debug_msg.cc: Likewise.
4983         * gold/testsuite/odr_violation1.cc
4984         * gold/testsuite/odr_violation2.cc
4985
4986 2010-07-21  Cary Coutant  <ccoutant@google.com>
4987
4988         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4989         string, and length fields.
4990         (Output_merge_string::Merged_strings_list): New type.
4991         (Output_merge_string::Merged_strings_lists): New typedef.
4992         (Output_merge_string): Replace merged_strings_ with
4993         merged_strings_lists_.
4994         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4995         Merged_strings_list per input object and section.  Don't store pointer
4996         to the string.  Don't store length with each merged string entry.
4997         (Output_merge_string::finalize_merged_data): Loop over list of merged
4998         strings lists.  Recompute length of each merged string.
4999
5000 2010-07-15  Cary Coutant  <ccoutant@google.com>
5001
5002         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5003         here.
5004
5005 2010-07-14  Ian Lance Taylor  <iant@google.com>
5006
5007         * descriptors.cc (Descriptors::open): Report correct name in error
5008         message.
5009
5010 2010-07-13  Doug Kwan  <dougkwan@google.com>
5011
5012         * arm.cc (Arm_input_section::Arm_input_section): For a
5013         SHT_ARM_EXIDX section, always keeps the input sections.
5014         (Arm_input_section::set_exidx_section_link): New method.
5015         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5016         has_errors_ to false.
5017         (Arm_exidx_input_section::has_errors,
5018         Arm_exidx_input_section::set_has_errors): New methods.
5019         (Arm_exidx_input_section::has_errors_): New data member.
5020         (Arm_relobj::get_exidx_shndx_list): New method.
5021         (Arm_output_section::append_text_sections_to_list): Do not skip
5022         section without SHF_EXECINSTR.
5023         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5024         errors.
5025         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5026         section header.  Make error messages more verbose.  Check for
5027         a non-executable section linked to an EXIDX section.
5028         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5029         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5030         check that there is no deferred EXIDX section if we exit early.
5031         Instead of not making an EXIDX section in case of an error, make one
5032         and set the has_errors flag of it.
5033         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5034         in a relocatable link.
5035         (Target_arm::do_relax): Look for the EXIDX output section instead of
5036         assuming that it is called .ARM.exidx.
5037         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5038         section list.  Do not check for SHF_EXECINSTR section flags but
5039         skip any input section with errors.
5040         * output.cc (Output_section::Output_section): Initialize
5041         always_keeps_input_sections_ to false.
5042         (Output_section::add_input_section): Check for
5043         always_keeps_input_sections_.
5044         *  output.h (Output_section::always_keeps_input_sections,
5045         Output_section::set_always_keeps_input_sections): New methods.
5046         (Output_section::always_keeps_input_sections): New data member.
5047
5048 2010-07-13  Rafael Espindola  <espindola@google.com>
5049
5050         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5051         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5052
5053 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5054             Ian Lance Taylor  <iant@google.com>
5055
5056         * output.h (Output_section_lookup_maps::add_merge_section):
5057         Correct check of whether value was inserted.
5058         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5059         (Output_section_lookup_maps::add_relaxed_input_section):
5060         Likewise.
5061         * arm.cc (Target_arm::got_section): Remove used local os.
5062         * i386.cc (Target_i386::got_section): Likewise.
5063         * x86_64.cc (Target_x86_64::got_section): Likewise.
5064         * sparc.cc (Target_sparc::got_section): Likewise.
5065         (Target_sparc::relocate): Remove unused local have_got_offset.
5066         * powerpc.cc (Target_powerpc::relocate): Likewise.
5067
5068 2010-07-13  Ian Lance Taylor  <iant@google.com>
5069
5070         * compressed_output.cc (zlib_decompress): Fix signature in
5071         !HAVE_ZLIB_H case.
5072
5073         * archive.cc (Archive::include_member): Unlock an external member
5074         of a thin archive.  Don't bother to delete an object we know is
5075         NULL.
5076
5077 2010-07-12  Cary Coutant  <ccoutant@google.com>
5078
5079         * compressed_output.cc (zlib_decompress): New function.
5080         (get_uncompressed_size): New function.
5081         (decompress_input_section): New function.
5082         * compressed_output.h (get_uncompressed_size): New function.
5083         (decompress_input_section): New function.
5084         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5085         Handle compressed debug sections.
5086         * layout.cc (is_compressed_debug_section): New function.
5087         (Layout::output_section_name): Map compressed section names to
5088         canonical names.
5089         * layout.h (is_compressed_debug_section): New function.
5090         (is_debug_info_section): Recognize compressed debug sections.
5091         * merge.cc: Include compressed_output.h.
5092         (Output_merge_data::do_add_input_section): Handle compressed
5093         debug sections.
5094         (Output_merge_string::do_add_input_section): Handle compressed
5095         debug sections.
5096         * object.cc: Include compressed_output.h.
5097         (Sized_relobj::Sized_relobj): Initialize new data members.
5098         (build_compressed_section_map): New function.
5099         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5100         * object.h (Object::section_is_compressed): New method.
5101         (Object::do_section_is_compressed): New method.
5102         (Sized_relobj::Compressed_section_map): New type.
5103         (Sized_relobj::do_section_is_compressed): New method.
5104         (Sized_relobj::compressed_sections_): New data member.
5105         * output.cc (Output_section::add_input_section): Handle compressed
5106         debug sections.
5107         * reloc.cc: Include compressed_output.h.
5108         (Sized_relobj::write_sections): Handle compressed debug sections.
5109
5110 2010-07-08  Cary Coutant  <ccoutant@google.com>
5111
5112         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5113         weak when resolving to a dynamic def.
5114         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5115         for weak undef/dynamic def cases. Adjust callers.
5116         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5117         undef_binding_weak_.
5118         (Symbol_table::sized_write_globals): Adjust symbol binding.
5119         (Symbol_table::sized_write_symbol): Add binding parameter.
5120         * symtab.h (Symbol::set_undef_binding): New method.
5121         (Symbol::is_undef_binding_weak): New method.
5122         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5123         (Symbol_table::should_override): Add new parameter.
5124         (Symbol_table::sized_write_symbol): Add new parameter.
5125
5126         * testsuite/weak_undef_file1.cc: Add new test case.
5127         * testsuite/weak_undef_file2.cc: Fix header comment.
5128         * testsuite/weak_undef_test.cc: Add new test case.
5129
5130 2010-06-29  Doug Kwan  <dougkwan@google.com>
5131
5132         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5133         Initialize USE_SYMBOL_.
5134         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5135         definition.
5136         (Arm_reloc_property::uses_symbol_): New data member declaration.
5137         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5138         uses symbol value and symbol is undefined but not weakly undefined.
5139
5140 2010-06-28  Rafael Espindola  <espindola@google.com>
5141
5142         * plugin.cc (Plugin::load): Use dlerror.
5143
5144 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5145
5146         * symtab.cc (detect_odr_violations): When reporting an ODR
5147         violation, report an object where the symbol is defined.
5148
5149 2010-06-25  Doug Kwan  <dougkwan@google.com>
5150
5151         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5152         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5153         definition.
5154         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5155         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5156         target hook to detect function points.
5157         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5158         * icf.h (Icf::check_section_for_function_pointers): Change type of
5159         parameter SECTION_NAME to const reference to std::string.  Use
5160         target hook to determine if section may have unsafe pointers.
5161         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5162         method definition.
5163
5164 2010-06-21  Rafael Espindola  <espindola@google.com>
5165
5166         * fileread.cc (Input_file::find_fie): New
5167         (Input_file::open): Use Input_file::find_fie.
5168         * fileread.h (Input_file::find_fie): New
5169         * plugin.cc (set_extra_library_path): New.
5170         (Plugin::load): Add set_extra_library_path to the transfer vector.
5171         (Plugin_manager::set_extra_library_path): New.
5172         (Plugin_manager::add_input_file): Use the extra search path if set.
5173         (set_extra_library_path(): New.
5174         * plugin.h (Plugin_manager): Add set_extra_library_path and
5175         extra_search_path_.
5176
5177 2010-06-19  Cary Coutant  <ccoutant@google.com>
5178
5179         * layout.cc (gdb_sections): Add .debug_types.
5180         (lines_only_debug_sections): Likewise.
5181
5182 2010-06-18  Rafael Espindola  <espindola@google.com>
5183
5184         * plugin.cc (add_input_file,add_input_library)
5185         (Plugin_manager::add_input_file): Make filename arguments const.
5186         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5187         const.
5188
5189 2010-06-16  Doug Kwan  <dougkwan@google.com>
5190
5191         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5192         .ARM.attributes section if we have not merged any input
5193         attributes sections.
5194
5195 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5196
5197         * arm.cc: Allow combining objects with no EABI version
5198         information.
5199
5200 2010-06-15  Rafael Espindola  <espindola@google.com>
5201
5202         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5203
5204 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5205
5206         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5207         (struct iovec): Correct !HAVE_READV definition.
5208
5209 2010-06-10  Cary Coutant  <ccoutant@google.com>
5210
5211         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5212         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5213         reloc sections.
5214         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5215
5216         PR 11683
5217         * symtab.h (Symbol::is_placeholder): New member function.
5218         * target-reloc.h (relocate_section): Check for placeholder symbols.
5219
5220         * testsuite/Makefile.am (plugin_test_8): New test.
5221         (plugin_test_9): New test.
5222         * testsuite/Makefile.in: Regenerate.
5223
5224 2010-06-09  Nick Clifton  <nickc@redhat.com>
5225
5226         * yyscript.y (input_list_element): Allow strings prefixed with
5227         the '-' character.  Treat these as libraries.
5228         * script.cc (script_add_library): New function.  Adds a library
5229         specified by "-l<name>" found in an input script.
5230         * script-c.h: Add prototype for script_add_library.
5231
5232 2010-06-07  Doug Kwan  <dougkwan@google.com>
5233
5234         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5235         Restrict stub-group size to be within long conditional branch
5236         range when working around cortex-A8 erratum.
5237
5238 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5239
5240         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5241         #ifdef typo.
5242
5243 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5244
5245         PR gold/11658
5246         * output.cc
5247         (Output_section::Input_section_sort_entry::compare_section_ordering):
5248         Change to return non-zero correctly.
5249         (Output_section::Input_section_sort_section_order_index_compare
5250         ::operator()): Change to fix ambiguity in comparisons.
5251
5252 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5253
5254         * gold.h (is_wildcard_string): New function.
5255         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5256         (Layout::layout_eh_frame): Ditto.
5257         (Layout::find_section_order_index): New method.
5258         (Layout::read_layout_from_file): New method.
5259         * layout.h (Layout::find_section_order_index): New method.
5260         (Layout::read_layout_from_file): New method.
5261         (Layout::input_section_position_): New private member.
5262         (Layout::input_section_glob_): New private member.
5263         * main.cc (main): Call read_layout_from_file here.
5264         * options.h (--section-ordering-file): New option.
5265         * output.cc (Output_section::input_section_order_specified_): New
5266         member.
5267         (Output_section::Output_section): Initialize new member.
5268         (Output_section::add_input_section): Add new parameter.
5269         Keep input sections when --section-ordering-file is used.
5270         (Output_section::set_final_data_size): Sort input sections when
5271         section ordering file is specified.
5272         (Output_section::Input_section_sort_entry): Add new parameter.
5273         Check sorting type.
5274         (Output_section::Input_section_sort_entry::compare_section_ordering):
5275         New method.
5276         (Output_section::Input_section_sort_compare::operator()): Change to
5277         consider section_order_index.
5278         (Output_section::Input_section_sort_init_fini_compare::operator()):
5279         Change to consider section_order_index.
5280         (Output_section::Input_section_sort_section_order_index_compare
5281         ::operator()): New method.
5282         (Output_section::sort_attached_input_sections): Change to sort
5283         according to section order when specified.
5284         (Output_section::add_input_section<32, true>): Add new parameter.
5285         (Output_section::add_input_section<64, true>): Add new parameter.
5286         (Output_section::add_input_section<32, false>): Add new parameter.
5287         (Output_section::add_input_section<64, false>): Add new parameter.
5288         * output.h (Output_section::add_input_section): Add new parameter.
5289         (Output_section::input_section_order_specified): New
5290         method.
5291         (Output_section::set_input_section_order_specified): New method.
5292         (Input_section::Input_section): Initialize section_order_index_.
5293         (Input_section::section_order_index): New method.
5294         (Input_section::set_section_order_index): New method.
5295         (Input_section::section_order_index_): New member.
5296         (Input_section::Input_section_sort_section_order_index_compare): New
5297         struct.
5298         (Output_section::input_section_order_specified_): New member.
5299         * script-sections.cc (is_wildcard_string): Delete and move modified
5300         method to gold.h.
5301         (Output_section_element_input::Output_section_element_input): Modify
5302         call to is_wildcard_string.
5303         (Output_section_element_input::Input_section_pattern
5304         ::Input_section_pattern): Ditto.
5305         (Output_section_element_input::Output_section_element_input): Ditto.
5306         * testsuite/Makefile.am (final_layout): New test case.
5307         * testsuite/Makefile.in: Regenerate.
5308         * testsuite/final_layout.cc: New file.
5309         * testsuite/final_layout.sh: New file.
5310
5311 2010-06-01  Rafael Espindola  <espindola@google.com>
5312
5313         * plugin.cc (Plugin::load): Pass the output name to the plugin.
5314
5315 2010-06-01  Rafael Espindola  <espindola@google.com>
5316
5317         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
5318         visibility of symbols.
5319
5320 2010-05-27  Doug Kwan  <dougkwan@google.com>
5321
5322         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
5323         from start of output section instead of address for a local symbol
5324         in a merged or relaxed section when doing a relocatable link.
5325
5326 2010-05-26  Rafael Espindola  <espindola@google.com>
5327
5328        PR 11604
5329         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5330         adding sections the garbage collector removed.
5331         * gold/testsuite/Makefile.am: Add test.
5332         * gold/testsuite/Makefile.in: Regenerate.
5333         * gold/testsuite/plugin_test_7.sh: New.
5334         * gold/testsuite/plugin_test_7_1.c: New.
5335         * gold/testsuite/plugin_test_7_2.c: New.
5336
5337 2010-05-26  Rafael Espindola  <espindola@google.com>
5338
5339         * script-sections.cc (Output_section_definition::set_section_addresses):
5340         Check for --section-start.
5341
5342 2010-05-26  Doug Kwan  <dougkwan@google.com>
5343
5344         * arm.cc (Arm_scan_relocatable_relocs): New class.
5345         (Target_arm::relocate_special_relocatable): New method.
5346         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5347         (Arm_relocate_functions::thumb_branch_common): Same.
5348         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5349         instead of Default_scan_relocatable_relocs.
5350         * target-reloc.h (relocate_for_relocatable): Let target handle
5351         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5352         * target.h (Sized_target::relocate_special_relocatable): New method.
5353
5354 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5355
5356         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5357
5358 2010-05-23  Doug Kwan  <dougkwan@google.com>
5359
5360         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5361         instead of a cast.
5362         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5363         with a direct branch, not a conditional branch, to a stub.
5364         * merge.cc (Output_merge_base::record_input_section): New method
5365         defintion.
5366         (Output_merge_data::do_add_input_section): Record input section if
5367         keeps-input-sections flag is set.
5368         (Output_merge_string::do_add_input_section): Ditto.
5369         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
5370         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
5371         INPUT_SECTIONS_.
5372         (Output_merge_base::keeps_input_sections,
5373         Output_merge_base::set_keeps_input_sections,
5374         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
5375         method definitions.
5376         (Output_merge_base::Input_sections): New type declaration.
5377         (Output_merge_base::input_sections_begin,
5378         Output_merge_base::input_sections_end,
5379         Output_merge_base::do_set_keeps_input_sections): New method definitions.
5380         (Output_merge_base::bool keeps_input_sections_,
5381         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
5382         Output_merge_base::input_sections_): New data members.
5383         (Output_merge_data::do_set_keeps_input_sections): New method
5384         defintion.
5385         (Output_merge_string::do_set_keeps_input_sections): Ditto.
5386         * output.cc (Output_section::Input_section::relobj): Move method
5387         defintion from class declaration to here and handle merge sections.
5388         (Output_section::Input_section::shndx): Ditto.
5389         (Output_section::Output_section): Remove initializations of removed
5390         data members and initialize new data member LOOKUP_MAPS_.
5391         (Output_section::add_input_section): Set keeps-input-sections flag
5392         for a newly created merge output section as appropriate.  Adjust code
5393         to use Output_section_lookup_maps class.
5394         (Output_section::add_relaxed_input_section): Adjst code for lookup
5395         maps code refactoring.
5396         (Output_section::add_merge_input_section): Add a new parameter
5397         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5398         class.  If adding input section to a newly created merge output
5399         section fails, remove the new merge section.
5400         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5401         Adjust code for use of the Output_section_lookup_maps class.
5402         (Output_section::find_merge_section): Ditto.
5403         (Output_section::build_lookup_maps): New method defintion.
5404         (Output_section::find_relaxed_input_section): Adjust code to use
5405         Output_section_lookup_maps class.
5406         (Output_section::get_input_sections): Export merge sections.  Adjust
5407         code to use Output_section_lookup_maps class.
5408         (Output_section:::add_script_input_section): Adjust code to use
5409         Output_section_lookup_maps class.  Update lookup maps for merge
5410         sections also.
5411         (Output_section::discard_states): Use Output_section_lookup_maps.
5412         (Output_section::restore_states): Same.
5413         * output.h (Merge_section_properties): Move class defintion out of
5414         Output_section.
5415         (Output_section_lookup_maps): New class.
5416         (Output_section::Input_section::is_merge_section): New method
5417         defintion.
5418         (Output_section::Input_section::relobj): Move defintion out of class
5419         defintion.  Declare method only.
5420         (Output_section::Input_section::shndx): Ditto.
5421         (Output_section::Input_section::output_merge_base): New method defintion.
5422         (Output_section::Input_section::u2_.pomb): New union field.
5423         (Output_section::Merge_section_by_properties_map,
5424         Output_section::Output_section_data_by_input_section_map,
5425         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5426         Remove types.
5427         (Output_section::add_merge_input_section): Add new parameter
5428         KEEPS_INPUT_SECTIONS.
5429         (Output_section::build_lookup_maps): New method declaration.
5430         (Output_section::merge_section_map_,
5431         Output_section::merge_section_by_properties_map_,
5432         Output_section::relaxed_input_section_map_,
5433         Output_section::is_relaxed_input_section_map_valid_): Remove data
5434         members.
5435         (Output_section::lookup_maps_): New data member.
5436
5437 2010-05-21  Doug Kwan  <dougkwan@google.com>
5438
5439         PR gold/11619
5440         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5441         avoid a compilation error.
5442
5443 2010-05-19  Rafael Espindola  <espindola@google.com>
5444
5445         * script-sections.cc (Output_section_definition::allocate_to_segment):
5446         Update the phdrs_list even when the output section is NULL.
5447         * testsuite/Makefile.am: Add test.
5448         * testsuite/Makefile.in: Regenerate.
5449         * testsuite/script_test_9.cc: New.
5450         * testsuite/script_test_9.sh: New.
5451         * testsuite/script_test_9.t: New.
5452
5453 2010-05-19  Doug Kwan  <dougkwan@google.com>
5454
5455         * arm.cc (Arm_input_section::original_size): New method.
5456         (Arm_input_section::do_addralign): Add a cast.
5457         (Arm_input_section::do_output_offset): Remove static cast.
5458         (Arm_input_section::original_addralign,
5459          Arm_input_section::original_size_): Change type to uint32_t.
5460         (Arm_input_section::init): Add safe casts for section alignment
5461         and size.
5462         (Arm_input_section::set_final_data_size): Do not set address and
5463         offset of stub table.
5464         (Arm_output_section::fix_exidx_coverage): Change use of of
5465         Output_section::Simple_input_section to that of
5466         Output_section::Input_section.
5467         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5468         except for the first pass.
5469         * output.cc (Output_section::get_input_sections): Change type of
5470         input_sections to std::list<Input_section>.
5471         (Output_section::add_script_input_section): Rename from
5472         Output_section::add_simple_input_section.  Change type of SIS
5473         parameter from Simple_input_section to Input_section.
5474         * output.h (Output_section::Simple_input_section): Remove class.
5475         (Output_section::Input_section): Change class visibility to public.
5476         (Output_section::Input_section::addralign): Use stored alignments
5477         for special input sections if set.
5478         (Output_section::Input_section::set_addralign): New method.
5479         (Output_section::get_input_sections): Change parameter type from
5480         list of Simple_input_section to list of Input_section.
5481         (Output_section::add_script_input_section): Rename from
5482         Output_section::add_simple_input_section. Change first parameter's
5483         type from Simple_input_section to Input_section and remove the
5484         second and third parameters.
5485         * script-sections.cc (Input_section::Input_section_list): Change
5486         type to list of Output_section::Input_section/
5487         (Input_section_info::Input_section_info): Change parameter type of
5488         INPUT_SECTION to Output_section::Input_section.
5489         (Input_section_info::input_section): Change return type.
5490         (Input_section_info::input_section_): Change type to
5491         Output_section::Input_section.
5492         (Output_section_element_input::set_section_addresses): Adjust code
5493         to use Output_section::Input_section instead of
5494         Output_section::Simple_input_section.  Adjust code for renaming
5495         of Output_section::add_simple_input_section.
5496         (Orphan_output_section::set_section_addresses): Ditto.
5497
5498 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5499
5500         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5501         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5502
5503 2010-05-18  Rafael Espindola  <espindola@google.com>
5504
5505         * options.cc (General_options::finalize): Handle -nostdlib.
5506         * options.h (nostdlib): New option.
5507         * script.cc (script_add_search_dir): Handle -nostdlib.
5508
5509 2010-05-12  Doug Kwan  <dougkwan@google.com>
5510
5511         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5512         attributes section only if there no attributes section after merging.
5513         (Target_arm::merge_object_attributes): Move value of
5514         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5515         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5516         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5517         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5518         and arm_attr_merge_7.stdout.
5519         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5520         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5521         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5522         arm_attr_merge_7b.o): New rules.
5523         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5524         arm_attr_merge_7
5525         * testsuite/Makefile.in: Regenerate.
5526         * testsuite/arm_attr_merge.sh: New file.
5527         * testsuite/arm_attr_merge_[67][ab].s: Same.
5528
5529 2010-05-05  Nick Clifton  <nickc@redhat.com>
5530
5531         * po/es.po: Updated Spanish translation.
5532
5533 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5534
5535         * Makefile.am (install-exec-local): Properly install gold as
5536         default cross linker.
5537         * Makefile.in: Regenerated.
5538
5539 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5540             Nick Clifton  <nickc@redhat.com>
5541
5542         * configure.ac (install_as_default): Define and set to false
5543         unless --enable-gold or --enable-gold=both/gold has been
5544         specified.
5545         * configure: Regenerate.
5546
5547         * Makefile.am (install-exec-local): Install the executable as
5548         'ld.gold'.  If install_as_default is true then also install it as
5549         'ld'.
5550         * Makefile.in: Regenerated.
5551
5552 2010-04-24  Ian Lance Taylor  <iant@google.com>
5553
5554         * layout.cc (Layout::layout_reloc): In relocatable link don't
5555         combine reloc sections for grouped sections.
5556
5557 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5558
5559         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5560         sections that are not ordinary to icf.
5561         * icf.cc (get_section_contents): Handle relocation pointing to section
5562         with no object or shndx information.
5563         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5564         * testsuite/Makefile.in: Regenerate.
5565         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5566         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5567
5568 2010-04-22  Ian Lance Taylor  <iant@google.com>
5569
5570         * expression.cc (Expression::Expression_eval_info): Add
5571         result_alignment_pointer field.
5572         (Expression::eval_with_dot): Add result_alignment_pointer
5573         parameter.  Change all callers.
5574         (Expression::eval_maybe_dot): Likewise.
5575         (class Binary_expression): Add alignment_pointer parameter to
5576         left_value and right_value.  Change all callers.
5577         (BINARY_EXPRESSION): Set result alignment.
5578         (class Trinary_expression): Add alignment_pointer parameter to
5579         arg2_value and arg3_value.  Change all callers.
5580         (Trinary_cond::value): Set result alignment.
5581         (Max_expression::value, Min_expression::value): Likewise.
5582         (Align_expression::value): Likewise.
5583         * script-sections.cc (class Sections_element): Add dot_alignment
5584         parameter to set_section_addresses virtual function.  Update
5585         instantiations.
5586         (class Output_section_element): Likewise.
5587         (Script_sections::create_segments): Add dot_alignment parameter.
5588         Change all callers.
5589         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5590         (Script_sections::set_phdrs_clause_addresses): Likewise.
5591         * script-sections.h: Update declarations.
5592         * script.h: Update declarations.
5593         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5594         min_p_align.
5595         * testsuite/script_test_3.t: Set large alignment.
5596         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5597         segment has expected alignment.
5598
5599 2010-04-22  Nick Clifton  <nickc@redhat.com>
5600
5601         * po/gold.pot: Updated by the Translation project.
5602         * po/vi.po: Updated Vietnamese translation.
5603
5604 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5605
5606         * testsuite/Makefile.am (check_PROGRAMS): Add
5607         icf_virtual_function_folding_test.
5608         * testsuite/Makefile.in: Regenerated.
5609
5610 2010-04-15  Andrew Haley  <aph@redhat.com>
5611
5612         * options.h (merge_exidx_entries): New option.
5613         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5614         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5615         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5616         (Target_arm::merge_exidx_entries): New function.
5617         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5618         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5619         to Arm_exidx_fixup constructor.
5620         Add new arg, merge_exidx_entries.
5621         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5622         Arm_output_section::fix_exidx_coverage.
5623
5624 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5625
5626         * icf.cc (get_section_contents): Check for preemptible functions.
5627         Ignore addend when appropriate.
5628         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5629         section folded.
5630         (add_from_relobj): Check for section folded.
5631         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5632         * symtab.h (should_add_dynsym_entry): Add new parameter.
5633         * target-reloc.h (scan_relocs): Check for section folded.
5634         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5635         Check reloc types for function pointers in shared objects.
5636         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5637         case.
5638         (icf_preemptible_functions_test): New test case.
5639         (icf_string_merge_test): New test case.
5640         * testsuite.Makefile.in: Regenerate.
5641         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5642         bar_glob.  Refactor code.
5643         * testsuite/icf_preemptible_functions_test.cc: New file.
5644         * testsuite/icf_preemptible_functions_test.sh: New file.
5645         * testsuite/icf_string_merge_test.cc: New file.
5646         * testsuite/icf_string_merge_test.sh: New file.
5647         * testsuite/icf_virtual_function_folding_test.cc: New file.
5648         * testsuite/icf_virtual_function_folding_test.sh: New file.
5649
5650 2010-04-14  Doug Kwan  <dougkwan@google.com>
5651
5652         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5653         for local symbol recounting if we remove a section due to ICF.
5654         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5655         there are no regular objects in input.
5656
5657 2010-04-13  Doug Kwan  <dougkwan@google.com>
5658
5659         * arm.cc (Arm_input_section::set_final_data_size): Compute
5660         accurate final data size instead of using current data size.
5661
5662 2010-04-09  Doug Kwan  <dougkwan@google.com>
5663
5664         * layout.cc (Layout::choose_output_section): Handle script section
5665         types.
5666         (Layout::make_output_section_for_script): Add section type parameter.
5667         Handle script section types.
5668         * layout.h (Layout::make_output_section_for_script): Add section
5669         type parameter.
5670         * output.cc (Output_section::Output_section): Initialize data member
5671         is_noload_.
5672         (Output_section::do_reset_address_and_file_offset): Do not set address
5673         to 0 if section is a NOLOAD section.
5674         * output.h (Output_section::is_noload): New method.
5675         (Output_section::set_is_noload): Ditto.
5676         (Output_section::is_noload_): New data member.
5677         * script-c.h (Script_section_type): New enum type.
5678         (struct Parser_output_section_header): Add new file section_type.
5679         * script-sections.cc (Sections_element::output_section_name): Add
5680         parameter for returning script section type.
5681         (Output_section_definition::output_section_name): Ditto.
5682         (Output_section_definition::section_type)P; New method.
5683         (Output_section_definiton::script_section_type_name): Ditto.
5684         (Output_section_definition::script_section_type_): New data member.
5685         (Output_section_definition::Output_section_definition): Initialize
5686         data member Output_section_definition::script_section_type_.
5687         (Output_section_definition::create_sections): Pass script section type
5688         to Layout::make_output_section_for_script.
5689         (Output_section_definition::output_section_name): Return script
5690         section type to caller.
5691         (Output_section_definition::set_section_address): Do not advance
5692         dot value and load address if section type is NOLOAD.  Set address
5693         of NOLOAD sections regardless of section flags.
5694         (Output_section_definition::print): Print section type if it is
5695         not SCRIPT_SECTION_TYPE_NONE.
5696         (Output_section_definition::section_type): New method.
5697         (Output_section_definition::script_section_type_name): Ditto.
5698         (Script_sections::output_section_name): Add new parameter
5699         PSECTION_TYPE for returning script section type.  Pass it to
5700         section elements.  Handle discard sections.
5701         (Sort_output_sections::operator()): Handle NOLOAD sections.
5702         * script-sections.h (Script_sections::Section_type): New enum type.
5703         (Script_sections::output_section_name): Add a new parameter for
5704         returning script section type.
5705         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5706         INFO and NOLOAD.
5707         * yyscript.y (union): Add new field SECTION_TYPE.
5708         (COPY, DSECT, INFO, NOLOAD): New tokens.
5709         (opt_address_and_section_type): Change type to output_section_header.
5710         (section_type): New non-terminal
5711         (section_header): Handle section type.
5712         (opt_address_and_section_type): Return section type value.
5713
5714 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5715
5716         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5717         * testsuite/plugin_common_test_2.c (foo): Likewise.
5718
5719 2010-04-08  Doug Kwan  <dougkwan@google.com>
5720
5721         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5722         Output_merge_data.
5723         * output.cc (Output_section::add_merge_input_section): Simplify
5724         code and return status of Output_merge_base::add_input_section.
5725         Update merge section map only if Output_merge_base::add_input_section
5726         returns true.
5727
5728 2010-04-07  Doug Kwan  <dougkwan@google.com>
5729
5730         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5731         if section is marked as containing instructions but has no mapping
5732         symbols.
5733         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5734         correct section index.
5735         (Arm_relobj::find_linked_text_section): Ditto.
5736
5737 2010-04-07  Cary Coutant  <ccoutant@google.com>
5738
5739         * archive.cc (include_member): Destroy Read_symbols_data object before
5740         releasing file.
5741         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5742         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5743         (Read_symbols_data::~Read_symbols_data) New destructor.
5744         (Section_relocs::Section_relocs) New constructor.
5745         (Section_relocs::~Section_relocs) New destructor.
5746         (Read_relocs_data::Read_relocs_data) New constructor.
5747         (Read_relocs_data::~Read_relocs_data) New destructor.
5748         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5749         pointers to NULL after deleting.
5750
5751 2010-04-07  Doug Kwan  <dougkwan@google.com>
5752
5753         * arm.cc: Replace "endianity" with "endianness" in comments.
5754         (Arm_exidx_cantunwind): Ditto.
5755         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5756         (Arm_relobj::merge_flags_and_attributes): New method.
5757         (Arm_relobj::merge_flags_and_attributes_): New data member.
5758         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5759         (Arm_relobj::scan_sections_for_stubs): Ditto.
5760         (Arm_relobj::do_read_symbols): Check to see if we really want to
5761         merge processor-specific flags and attributes.  Exit early if
5762         an object is empty except for section names and the undefined symbol.
5763         (Target_arm::do_finalize_sections): Move check for ELF format to
5764         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5765         attributes from a regular object only when we have determined that
5766         it is aapropriate.  Do not create an .ARM.attributes section in
5767         output if there is no regular input object.
5768         (Target_arm::merge_processor_specific_flags): Check
5769         --warn-mismatch before printing any error.
5770         (Target_arm::merge_object_attributes): Ditto.
5771         * gold.cc (queue_middle_tasks): Handle the case in which there is
5772         no regular object in input.
5773         * options.cc (General_options::parse_EB): New method.
5774         (General_options::parse_EL): Same.
5775         (General_options::General_options): Initialize endianness_.
5776         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5777         New options.
5778         (General_options::Endianness): New enum.
5779         (General_options::endianness): New method.
5780         (General_options::endianness_): New data member.
5781         * parameters.cc (Parameters::set_options): Check target endianness.
5782         (Parameters::set_target_once): Ditto.
5783         (Parameters::check_target_endianness): New method.
5784         (parameters_force_valid_target): If either -EL or -EB is specified,
5785         use it to define endianness of default target.
5786         * parameters.h (Parameters::check_target_endianness): New method
5787         declaration.
5788         * target.h (class Target): Change "endianity" to "endianness"
5789         in comments.
5790
5791 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5792
5793         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5794         * configure: Regenerate.
5795         * Makefile.in: Regenerate.
5796         * testsuite/Makefile.in: Regenerate.
5797
5798 2010-04-06  Cary Coutant  <ccoutant@google.com>
5799
5800         gcc PR lto/42757
5801         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5802         prevailing definitions of common symbols.
5803         * testsuite/plugin_test_6.sh: New test case.
5804         * testsuite/plugin_common_test_1.c: New test case.
5805         * testsuite/plugin_common_test_2.c: New test case.
5806         * testsuite/Makefile.am (plugin_test_6): New test case.
5807         * testsuite/Makefile.in: Regenerate.
5808
5809 2010-04-06  Nick Clifton  <nickc@redhat.com>
5810
5811         * po/vi.po: New Vietnamese translation.
5812
5813 2010-03-30  Doug Kwan  <dougkwan@google.com>
5814
5815         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5816
5817 2010-03-25  Doug Kwan  <dougkwan@google.com>
5818
5819         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5820         to avoid a conversion warning on a 32-bit host.
5821
5822 2010-03-24  Ian Lance Taylor  <iant@google.com>
5823
5824         * testsuite/script_test_3.t: Add a TLS segment.
5825         * testsuite/Makefile.am (check_PROGRAMS): Add
5826         tls_phdrs_script_test.
5827         (tls_phdrs_script_test_SOURCES): Define.
5828         (tls_phdrs_script_test_DEPENDENCIES): Define.
5829         (tls_phdrs_script_test_LDFLAGS): Define.
5830         (tls_phdrs_script_test_LDADD): Define.
5831         * testsuite/Makefile.in: Rebuild.
5832
5833 2010-03-23  Cary Coutant  <ccoutant@google.com>
5834
5835         * fileread.cc (find_or_make_view): Fix comment.
5836
5837 2010-03-23  Ian Lance Taylor  <iant@google.com>
5838
5839         * script-sections.cc (class Orphan_section_placement): Define
5840         PLACE_TLS and PLACE_TLS_BSS.
5841         (Orphan_section_placement::Orphan_section_placement): Initialize
5842         new places.
5843         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5844         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5845         (tls_script_test_SOURCES): Define.
5846         (tls_script_test_DEPENDENCIES): Define.
5847         (tls_script_test_LDFLAGS): Define.
5848         (tls_script_test_LDADD): Define.
5849         * testsuite/Makefile.in: Rebuild.
5850
5851 2010-03-22  Doug Kwan  <dougkwan@google.com>
5852
5853         * arm.cc (Arm_relocate_functions::abs8,
5854         Arm_relocate_functions::abs16): Use correct check for overflow
5855         specified in the ARM ELF specs.
5856         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5857         target of a BLX instruction specially.
5858         (Reloc_stub::stub_type_for_reloc): Ditto.
5859         (Relocate::relocate): Use symbolic names instead of numeric relocation
5860         codes to report error.
5861         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5862         workaround.
5863         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5864         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5865         thumb2_blx_out_of_range.stdout
5866         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5867         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5868         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5869         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5870         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5871         thumb2_blx_in_range, thumb2_blx_in_range.o,
5872         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5873         thumb2_blx_out_of_range.o): New rules.
5874         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5875         thumb2_blx_in_range and thumb2_blx_out_of_range.
5876         * testsuite/Makefile.in: Regenerate.
5877         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5878         * testsuite/thumb_blx_in_range.s: New file.
5879         * testsuite/thumb_blx_out_of_range.s: New file.
5880
5881 2010-03-22  Rafael Espindola  <espindola@google.com>
5882
5883         * archive.cc (Should_include): Move to archive.h.
5884         (should_include_member): Make it a member of Archive.
5885         (Lib_group): New.
5886         (Add_lib_group_symbols): New.
5887         * archive.h: Include options.h.
5888         (Archive_member): Moved from Archive.
5889         (Should_include): Moved from archive.cc.
5890         (Lib_group): New.
5891         (Add_lib_group_symbols): New.
5892         * dynobj.cc (do_should_include_member): New.
5893         * dynobj.h (do_should_include_member): New.
5894         * gold.cc (queue_initial_tasks): Update call to queue.
5895         * main.cc (main): Print lib group stats.
5896         * object.cc (do_should_include_member): New.
5897         * object.h: Include archive.h.
5898         (Object::should_include_member): New.
5899         (Object::do_should_include_member): New.
5900         (Sized_relobj::do_should_include_member): New.
5901         * options.cc (General_options::parse_start_lib): New.
5902         (General_options::parse_end_lib): New.
5903         (Input_arguments::add_file): Handle lib groups.
5904         (Input_arguments::start_group): Check we are not in a lib.
5905         (Input_arguments::start_lib): New.
5906         (Input_arguments::end_lib): New.
5907         * options.h (General_options): Add start_lib and end_lib.
5908         (Input_argument::lib_): New.
5909         (Input_argument::lib): New.
5910         (Input_argument::is_lib): New.
5911         (Input_file_lib): New.
5912         (Input_arguments::in_lib_): New.
5913         (Input_arguments::in_lib): New.
5914         (Input_arguments::start_lib): New.
5915         (Input_arguments::end_lib_): New.
5916         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5917         in unused members as preempted.
5918         (Sized_pluginobj::do_should_include_member): New.
5919         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5920         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5921         return the blocker.
5922         (Read_symbols::do_whole_lib_group): New.
5923         (Read_symbols::do_lib_group): New.
5924         (Read_symbols::do_read_symbols): Handle lib groups.
5925         (Read_symbols::get_name): Handle lib groups.
5926         * readsyms.h (Read_symbols): Add an archive member pointer.
5927         (Read_symbols::do_whole_lib_group): New.
5928         (Read_symbols::do_lib_group): New.
5929         (Read_symbols::member_): New.
5930         * script.cc (read_input_script): Update call to queue_soon.
5931
5932 2010-03-19  Doug Kwan  <dougkwan@google.com>
5933
5934         * arm.cc (Stub_table::Stub_table): Initialize new data members
5935         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5936         (Stub_table::add_reloc_stub): Assign stub offset and update
5937         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5938         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5939         New data members.
5940         (Stub_table::update_data_size_and_addralign): Use
5941         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5942         instead of going over all reloc stubs.
5943         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5944         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5945         Stringpool_template::offset_ to size of Stringpool_char.
5946         (Stringpool_template::new_key_offset): Remove code to initialize
5947         Stringpool_template::offset_.
5948         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5949         Stringpool_template::offset_ to zero.
5950
5951 2010-03-15  Doug Kwan  <dougkwan@google.com>
5952
5953         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5954         offset_.
5955         (Stringpool_template::new_key_offset): New method.
5956         (Stringpool_template::add_string): Assign offsets when adding new
5957         strings.
5958         (Stringpool_template::set_string_offsets): Do not set string offsets
5959         when not optimizing.
5960         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5961         member size_.
5962         (Chunked_vector::clear): Clear size_.
5963         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5964         (Chunked_vector::size): Return size_.
5965         (Chunked_vector::push_back): Use size_ to find insert position.
5966         (Chunked_vector::size_): New data member.
5967         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5968         (Stringpool_template::new_key_offset): New method declaration.
5969         (Stringpool_template::offset_): New data member.
5970
5971 2010-03-15   Rafael Espindola  <espindola@google.com>
5972
5973         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5974         Add_symbols' constructor.
5975         * readsyms.h (Add_symbols): Remove the input_group member.
5976
5977 2010-03-10  Ian Lance Taylor  <iant@google.com>
5978
5979         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5980         target to ask whether a reference to a symbol requires a stack
5981         split.
5982         * target.h (Target::is_call_to_non_split): New function.
5983         (Target::do_is_call_to_non_split): Declare virtual function.
5984         * target.cc: Include "symtab.h".
5985         (Target::do_is_call_to_non_split): New function.
5986         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5987
5988 2010-03-10  Cary Coutant  <ccoutant@google.com>
5989
5990         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5991         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5992         (File_read::open[2]): Add whole_file_view_ to list of views.
5993         (File_read::make_view): Remove test of whole_file_view_.
5994         (File_read::find_or_make_view): Create whole_file_view_ if
5995         necessary.
5996         (File_read::clear_views): Replace bool parameter with enum;
5997         adjust all callers.  Don't delete views with permanent data;
5998         do delete cached views and views from archives if
5999         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6000         if clearing the corresponding view.
6001         * fileread.h (File_read::Clear_views_mode): New enum.
6002         (File_read::View::is_permanent_view): New method.
6003         (File_read::clear_views): Replace bool parameter
6004         with enum; adjust all callers.
6005         * options.h (General_options): Change keep_files_mapped option;
6006         add map_whole_files.
6007         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6008         releasing the file.
6009         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6010         the file.
6011
6012 2010-03-10  David S. Miller  <davem@davemloft.net>
6013
6014         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6015
6016 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6017
6018         * icf.cc (get_section_contents): Add '@' marker after processing the
6019         merge reloc.
6020
6021 2010-03-08  Doug Kwan  <dougkwan@google.com>
6022
6023         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6024         due to a conversion warning.
6025         (Arm_relobj::update_output_local_symbol_count): Check for local
6026         symbol with unset output index.
6027
6028 2010-03-05  Ian Lance Taylor  <iant@google.com>
6029
6030         * options.h (class General_options): Add --spare-dynamic-tags.
6031         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6032         --spare-dynamic-tags.
6033
6034 2010-03-05  Ian Lance Taylor  <iant@google.com>
6035
6036         * incremental.cc: Include "libiberty.h".
6037
6038 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6039
6040         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6041         function, is_info_ member.
6042         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6043         (Versions::Versions): Update caller.
6044         (Versions::define_base_version): Likewise.
6045         (Versions::add_def): Likewise.
6046
6047 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6048
6049         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6050         (Scan::possible_function_pointer_reloc): New function.
6051         (Scan::local_reloc_may_be_function_pointer): Change to call
6052         possible_function_pointer_reloc.
6053         (Scan::global_reloc_may_be_function_pointer): Ditto.
6054         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6055         relocations in ".data.rel.ro._ZTV" section.
6056         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6057         * testsuite/icf_safe_so_test.cc: Ditto.
6058         * testsuite/icf_safe_test.cc: Ditto.
6059         * testsuite/icf_safe_test.sh: Ditto.
6060
6061 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6062             Ian Lance Taylor  <iant@google.com>
6063
6064         * target-reloc.h (relocate_section): Check the symbol table index
6065         for -1U before setting the local symbol index.
6066         (scan_relocatable_relocs): If copying the relocation, record that
6067         the local symbol is required.
6068         * object.h (Symbol_value::is_output_symtab_index_set): New
6069         function.
6070         (Symbol_value::may_be_discarded_from_output_symtab): New
6071         function.
6072         (Symbol_value::has_output_symtab_entry): New function.
6073         (Symbol_value::needs_output_symtab_entry): Remove.
6074         (Symbol_value::output_symtab_index): Make sure the symbol index is
6075         set.
6076         (Symbol_value::set_output_symtab_index): Make sure the symbol
6077         index is not set.  Make sure the new index is valid.
6078         (Symbol_value::set_must_have_output_symtab_entry): New function.
6079         (Symbol_value::has_output_dynsym_entry): New function.
6080         (Symbol_value::set_output_dynsym_index): Make sure the new index
6081         is valid.
6082         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6083         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6084         local symbol if permitted.
6085         (Sized_relobj::do_finalize_local_symbols): Call
6086         is_output_symtab_index_set rather than needs_output_symtab_entry.
6087         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6088         rather than needs_output_symtab_entry.  Call
6089         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6090         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6091         is_output_symtab_index_set rather than needs_output_symtab_entry.
6092         * testsuite/discard_locals_relocatable_test.c: New file.
6093         * testsuite/discard_locals_test.sh: Test -r.
6094         * testsuite/Makefile.am (check_DATA): Add
6095         discard_locals_relocatable_test1.syms,
6096         discard_local_relocatable_test2.syms.
6097         (MOSTLYCLEANFILES): Likewise.  Also add
6098         discard_locals_relocatable_test1.lout and
6099         discard_locals_relocatable_test2.out.
6100         (discard_locals_relocatable_test1.syms): New target.
6101         (discard_locals_relocatable_test.o): New target.
6102         (discard_locals_relocatable_test1.out): New target.
6103         (discard_locals_relocatable_test2.syms): New target.
6104         (discard_locals_relocatable_test2.out): New target.
6105         (various): Add missing ../ld-new dependencies.
6106         * testsuite/Makefile.in: Rebuild.
6107
6108 2010-03-03  Nick Clifton  <nickc@redhat.com>
6109
6110         * po/fi.po: New Finnish translation.
6111
6112 2010-03-01  Doug Kwan  <dougkwan@google.com>
6113
6114         * layout.cc (Layout::Layout): Force section types of .init_array*,
6115         .preinit_array* and .fini_array* sections.
6116         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6117         Fix check of return value of std::string::find.().
6118         (Output_section::Input_section_sort_compare::operator()): Remove
6119         comment about .init_array.
6120         (Output_section::Input_section_sort_init_fini_compare::operator()):
6121         New method.
6122         (Output_section::sort_attached_input_sections): Handle .init_array
6123         and .fini_array specially.
6124         * output.h (Output_section::Inut_section_sort_compare): Update
6125         comment.
6126         (Output_section::Input_section_sort_init_fini_compare): New struct.
6127
6128 2010-02-26  Doug Kwan  <dougkwan@google.com>
6129
6130         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6131         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6132         * testsuite/debug_msg.sh: Avoid matching source line number for
6133         use of global variable undef_int.
6134
6135 2010-02-26  Doug Kwan  <dougkwan@google.com>
6136
6137         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6138         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6139         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6140         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6141         * options.cc (General_options::General_options): Initialize member
6142         fix_v4bx_.
6143         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6144         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6145         and rm_no_fix_v4bx.stdout
6146         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6147         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6148         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6149         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6150         and arm_no_fix_v4bx.
6151         * Makefile.in: Regenerate.
6152         * testsuite/arm_fix_v4bx.s: New file.
6153         * testsuite/arm_fix_v4bx.sh: Ditto.
6154
6155 2010-02-24  Doug Kwan  <dougkwan@google.com>
6156
6157         * arm.cc (Target_arm::got_section): Make the .got section the first
6158         non RELRO section in the data segment.
6159         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6160         suffixes of section names.
6161
6162 2010-02-24  Doug Kwan  <dougkwan@google.com>
6163
6164         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6165         flags and attributes merging if an input file is a binary file.
6166         * fileread.cc (Input_file::open): Record format of original file.
6167         * fileread.h (Input_file::Format): New enum type.
6168         (Input_file::Input_file): Initialize data member format_.
6169         (Input_file::format): New method definition.
6170         (Input_file::format_):: New data member.
6171
6172 2010-02-24  Doug Kwan  <dougkwan@google.com>
6173
6174         * arm.cc (Arm_output_data_got): New class.
6175         (ARM_TCB_SIZE): New constant
6176         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6177         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6178         If user uses a script with a SECTIONS clause, issue only a warning
6179         for a misplaced EXIDX input section.  Otherwise, issue an error.
6180         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6181         garbage collection.
6182         (Target_arm::got_mode_index_entry): Handle static linking.
6183         (Target_arm::Scan::local): Ditto.
6184         (Target_arm::Scan::global): Ditto.
6185         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6186         all incorrectly implemented relocations.
6187         (Target_arm::fix_exidx_coverage): Pass layout to
6188         Arm_output_section::fix_exidx_coverage.
6189         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6190         from ".ARM.exidx." and ".ARM.extab.".
6191
6192 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6193
6194         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6195         section if it does not already exist.
6196         * attributes.cc (Attributes_section_data::Attributes_section_data):
6197         Don't crash if size is zero.
6198
6199 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6200             Ian Lance Taylor  <iant@google.com>
6201
6202         * gold.cc (queue_middle_tasks): If no input files were opened,
6203         exit.
6204         * workqueue.h (Task_function::Task_function): Assert that there is
6205         a blocker.
6206
6207 2010-02-22  Doug Kwan  <dougkwan@google.com>
6208
6209         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6210         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6211         types to avoid warnings due to different uint64_t implementations
6212         on different hosts.
6213
6214 2010-02-21  Doug Kwan  <dougkwan@google.com>
6215
6216         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6217         handling of the maximum backward branch offset.
6218         (Arm_relocate_functions::thumb_branch_common): Ditto.
6219         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6220         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6221         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6222         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6223         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6224         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6225         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6226         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6227         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6228         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6229         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6230         thumb2_bl_out_of_range.o): New rules.
6231         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6232         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6233         thumb2_bl_out_of_range
6234         * testsuite/Makefile.in: Regenerate.
6235         * testsuite/arm_bl_in_range.s: New file.
6236         * testsuite/arm_bl_out_of_range.s: Ditto.
6237         * testsuite/arm_branch_in_range.sh: Ditto.
6238         * testsuite/arm_branch_range.t: Ditto.
6239         * testsuite/thumb2_branch_range.t: Ditto.
6240         * testsuite/thumb_bl_in_range.s: Ditto.
6241         * testsuite/thumb_bl_out_of_range.s: Ditto.
6242         * testsuite/thumb_branch_range.t: Ditto.
6243
6244 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6245
6246         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6247         Add reloc offset information.
6248         * icf.cc (get_section_contents): Change iterators to point to the new
6249         vectors. Add reloc offset information to the contents.
6250         * icf.h (Icf::Sections_reachable_info): New typedef.
6251         (Icf::Sections_reachable_list): New typedef.
6252         (Icf::Offset_info): New typedef.
6253         (Icf::Reloc_info): New struct typedef.
6254         (Icf::Reloc_info_list): New typedef.
6255         (Icf::symbol_reloc_list): Delete method.
6256         (Icf::addend_reloc_list): Delete method.
6257         (Icf::section_reloc_list): Delete method.
6258         (Icf::reloc_info_list): New method.
6259         (Icf::reloc_info_list_): New member.
6260
6261 2010-02-19  Doug Kwan  <dougkwan@google.com>
6262
6263         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6264         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6265         * arm.cc (Arm_relocation_functions): New forward declaration.
6266         (Target_arm::Target_arm): Initialize new data members
6267         got_mod_index_offset_ and tls_base_symbol_defined_.
6268         (Target_arm::Relocate::relocate_tls): New method.
6269         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6270          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6271         New methods.
6272         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6273         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6274         (Target_arm::got_mod_index_offset_,
6275         Target_arm::tls_base_symbol_defined_): New data members.
6276         (Target_arm::Scan::local, Target::Scan::global,
6277         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6278         relocations.
6279
6280 2010-02-18  Doug Kwan  <dougkwan@google.com>
6281
6282         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6283         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6284         text section as a parameter becuase some broken tools may not set
6285         the link in section header.
6286         (Target_arm::has_got_section): New method.
6287         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6288         without any mapping symbol as data only.  Remove warning.
6289         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6290         link in its section header, try to discover the link by inspecting the
6291         REL31 relocation at the beginning of the section.
6292         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6293         in error message.
6294         (Target_arm::Scan::global): Treat any reference to the symbol
6295         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6296
6297 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6298
6299         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6300         (Scan::global_reloc_may_be_function_pointer): New function.
6301         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6302         (Scan::global_reloc_may_be_function_pointer): New function.
6303         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6304         (Scan::global_reloc_may_be_function_pointer): New function.
6305         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6306         (Scan::global_reloc_may_be_function_pointer): New function.
6307         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6308         (Scan::global_reloc_may_be_function_pointer): New function.
6309         (Scan::possible_function_pointer_reloc): New function.
6310         (Target_x86_64::can_check_for_function_pointers): New function.
6311         * gc.h (gc_process_relocs): Scan relocation types to determine if
6312         function pointers were taken for targets that support it.
6313         * icf.cc (Icf::find_identical_sections): Include functions for
6314         folding in safe ICF whose pointer is not taken.
6315         * icf.h (Secn_fptr_taken_set): New typedef.
6316         (fptr_section_id_): New member.
6317         (section_has_function_pointers): New function.
6318         (set_section_has_function_pointers): New function.
6319         (check_section_for_function_pointers): New function.
6320         * options.h: Fix comment for safe ICF option.
6321         * target.h (can_check_for_function_pointers): New function.
6322         * testsuite/Makefile.am: Add icf_safe_so_test test case.
6323         Modify icf_safe_test for X86-64.
6324         * testsuite/Makefile.in: Regenerate.
6325         * testsuite/icf_safe_so_test.cc: New file.
6326         * testsuite/icf_safe_so_test.sh: New file.
6327         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6328         (main): Change to take pointer to function kept_func_3.
6329         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6330         folding is done correctly for X86-64.
6331
6332 2010-02-12  David S. Miller  <davem@davemloft.net>
6333
6334         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6335         is_symbolless parameter.
6336         (Output_reloc<SHT_REL>::is_symbolless): New.
6337         (Output_reloc<SHT_REL>::is_symbolless_): New.
6338         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6339         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6340         (Output_reloc<SHT_RELA>::is_symbolless): New.
6341         (Output_data_reloc::add_global): Handle is_symbolless.
6342         (Output_data_reloc::add_global_relative): Likewise.
6343         (Output_data_reloc::add_local): Likewise.
6344         (Output_data_reloc::add_local_relative): Likewise.
6345         (Output_data_reloc::add_symbolless_global_addend): New.
6346         (Output_data_reloc::add_symbolless_local_addend): New.
6347         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6348         is_symbolless.
6349         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6350         instead of ->is_relative_
6351         (Output_reloc::write): Likewise.
6352         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6353         (Output_reloc::write_rel): Simplify.
6354
6355         * sparc.cc (Target_sparc::Scan::local): Use
6356         ->add_symbolless_local_addend as needed.
6357         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6358         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6359         based upon relocation offset.
6360
6361 2010-02-11  Doug Kwan  <dougkwan@google.com>
6362
6363         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6364         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6365         beginning of function.
6366         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6367         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6368         parameter is_32bit in calls to should_apply_static_reloc.
6369         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
6370         (check_DATA): Add arm_abs_global.stdout.
6371         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
6372         arm_abs_global.stdout): New rules.
6373         (MOSTLLYCLEANFILES): Add arm_abs_global
6374         * Makefile.in: Regenerate.
6375         * testsuite/arm_abs_global.s: New file.
6376         * testsuite/arm_abs_global.sh: Ditto.
6377         * testsuite/arm_abs_lib.s: Ditto.
6378
6379 2010-02-11  Ian Lance Taylor  <iant@google.com>
6380
6381         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
6382         Read_relocs task.
6383         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
6384         Allocate_commons_task first.
6385         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
6386         task, rather than symtab_lock_.
6387         (Gc_process_relocs::~Gc_process_relocs): New function.
6388         (Gc_process_relocs::is_runnable): Check this_blocker_.
6389         (Gc_process_relocs::locks): Use next_blocker_ rather than
6390         blocker_.
6391         (Scan_relocs::~Scan_relocs): New function.
6392         (Scan_relocs::is_runnable): Check this_blocker_ rather than
6393         symtab_lock_.
6394         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
6395         next_blocker_.
6396         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6397         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6398         constructor accordingly.
6399         (class Gc_process_relocs): Likewise.
6400         (class Scan_relocs): Likewise.
6401         * common.h (class Allocate_commons_task): Remove symtab_lock_
6402         field, and corresponding constructor parameter.
6403         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6404         symtab_lock_.
6405         (Allocate_commons_task::locks): Likewise.
6406
6407 2010-02-11  Ian Lance Taylor  <iant@google.com>
6408
6409         * gold-threads.h (class Once): Define.
6410         (class Initialize_lock): Rewrite as child of Once.
6411         * gold-threads.cc (class Once_initialize): Define.
6412         (once_pointer_control): New static variable.
6413         (once_pointer, once_arg): New static variables.
6414         (c_run_once): New static function.
6415         (Once::Once, Once::run_once, Once::internal_run): New functions.
6416         (class Initialize_lock_once): Remove.
6417         (initialize_lock_control): Remove.
6418         (initialize_lock_pointer): Remove.
6419         (initialize_lock_once): Remove.
6420         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6421         (Initialize_lock::initialize): Rewrite.
6422         (Initialize_lock::do_run_once): New function.
6423         * archive.cc (Archive::interpret_header): Only clear name if it is
6424         not already empty.
6425         * fileread.cc: Include "gold-threads.h"
6426         (file_counts_lock): New static variable.
6427         (file_counts_initialize_lock): Likewise.
6428         (File_read::release): Only increment counts when using --stats.
6429         Use a lock around the increment.
6430         * parameters.cc (class Set_parameters_target_once): Define.
6431         (set_parameters_target_once): New static variable.
6432         (Parameters::Parameters): Move here from parameters.h.
6433         (Parameters::set_target): Rewrite.
6434         (Parameters::set_target_once): New function.
6435         (Parameters::clear_target): Move here and rewrite.
6436         * parameters.h (class Parameters): Update declarations.  Add
6437         set_parameters_target_once_ field.
6438         (Parameters::Parameters): Move to parameters.cc.
6439         (Parameters::clear_target): Likewise.
6440         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6441         task.
6442         (Start_group::~Start_group): New function.
6443         (Start_group::is_runnable): New function.
6444         (Start_group::locks, Start_group::run): New functions.
6445         (Finish_group::run): Change saw_undefined to size_t.
6446         * readsyms.h (class Start_group): Define.
6447         (class Finish_group): Change saw_undefined_ field to size_t.
6448         (Finish_group::Finish_group): Remove saw_undefined and
6449         this_blocker parameters.  Change all callers.
6450         (Finish_group::set_saw_undefined): New function.
6451         (Finish_group::set_blocker): New function.
6452         * symtab.h (class Symbol_table): Change saw_undefined to return
6453         size_t.  Change saw_undefined_ field to size_t.
6454         * target-select.cc (Set_target_once::do_run_once): New function.
6455         (Target_selector::Target_selector): Initialize set_target_once_
6456         field.  Don't initialize lock_ and initialize_lock_ fields.
6457         (Target_selector::instantiate_target): Rewrite.
6458         (Target_selector::set_target): New function.
6459         * target-select.h (class Set_target_once): Define.
6460         (class Target_selector): Update declarations.  Make
6461         Set_target_once a friend.  Remove lock_ and initialize_lock_
6462         fields.  Add set_target_once_ field.
6463
6464 2010-02-10  Ian Lance Taylor  <iant@google.com>
6465
6466         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6467         queueing any tasks.
6468         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6469         (queue_middle_tasks): Add all blockers before queueing any tasks.
6470         (queue_final_tasks): Likewise.
6471         * token.h (Task_token::add_blockers): New function.
6472         * object.h (Input_objects::number_of_relobjs): New function.
6473
6474 2010-02-10  Ian Lance Taylor  <iant@google.com>
6475
6476         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6477         shared, not if not position independent.
6478         * x86_64.cc (Relocate::relocate_tls): Likewise.
6479         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6480         (tls_pie_pic_test): New target.
6481         * testsuite/Makefile.in: Rebuild.
6482
6483         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6484         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6485         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6486         * testsuite/Makefile.in: Rebuild.
6487
6488 2010-02-09  David S. Miller  <davem@davemloft.net>
6489
6490         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6491         R_SPARC_RELATIVE using ->add_local_relative().
6492         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6493
6494         * output.h (Output_data_dynamic::add_section_size): New method
6495         that takes two Output_data objects.
6496         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6497         entry param.  Handle it in initializers.
6498         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6499         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6500         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6501         arg.
6502         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6503         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6504         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6505         for dynrel_includes_plt.
6506         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6507         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6508         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6509         before .rela.plt
6510         (Target_sparc::do_finalize_sections): Update to pass true for
6511         dynrel_includes_plt.
6512         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6513         output before .rela.plt
6514         (Target_powerpc::do_finalize_sections): Update to pass true for
6515         dynrel_includes_plt when 32-bit.
6516
6517 2010-02-08  Doug Kwan  <dougkwan@google.com>
6518
6519         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6520         method.
6521         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6522         Arm_relobj::scan_section_for_cortex_a8_stubs,
6523         Arm_relobj::do_relocation_section): Instead of calling
6524         Output_section::output_address, use faster
6525         Arm_relobj::simple_input_section_output_address.
6526
6527 2010-02-08  David S. Miller  <davem@davemloft.net>
6528
6529         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6530         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6531         relocation helper function.
6532
6533         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6534         just like R_SPARC_GOT{10,13,22}.
6535         (Target_sparc::Scan::local): Likewise.
6536         (Target_sparc::Relocate:relocate): Likewise.
6537
6538 2010-02-06  Ian Lance Taylor  <iant@google.com>
6539
6540         * configure.ac: Rewrite targetobjs duplicate removal code to use
6541         only shell constructs.
6542         * configure: Rebuild.
6543
6544 2010-02-05  Doug Kwan  <dougkwan@google.com>
6545
6546         PR 11247
6547         * arm.cc (Arm_relobj::section_is_scannable): New method.
6548         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6549         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6550
6551 2010-02-04  Doug Kwan  <dougkwan@google.com>
6552
6553         PR 11247
6554         * arm-reloc-property.cc (cstdio): Include.
6555         * configure.ac (targetobjs): Remove duplicates.
6556         * configure: Regenerate.
6557         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6558         big and little endian version for a given address size.
6559
6560 2010-02-03  Doug Kwan  <dougkwan@google.com>
6561
6562         * arm-reloc-property.cc
6563         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6564         definition.
6565         * arm-reloc-property.h
6566         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6567         New method definition.
6568         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6569         declaration.
6570         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6571         overflow to N.
6572         (GOT_PREL): Change implemented to Y.
6573         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6574         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6575         (Arm_relocate_functions::movw_abs_nc): Remove method.
6576         (Arm_relocate_functions::movt_abs): Ditto.
6577         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6578         (Arm_relocate_functions::thm_movt_abs): Ditto.
6579         (Arm_relocate_functions::movw_rel_nc): Ditto.
6580         (Arm_relocate_functions::movw_rel): Ditto.
6581         (Arm_relocate_functions::movt_rel): Ditto.
6582         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6583         (Arm_relocate_functions:thm_movw_rel): Ditto.
6584         (Arm_relocate_functions:thm_movt_rel): Ditto.
6585         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6586         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6587         New method definitions.
6588         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6589         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6590         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6591         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6592         (Target_arm::Relocate::relocate): Check for non-static or
6593         unimplemented relocation code and exit early.  Change calls to
6594         Target_arm::reloc_uses_thumb_bit and
6595         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6596         instead.  Refactor code to handle similar relocations to increase
6597         code sharing.  Remove check for unsupported relocation code in switch
6598         statement.
6599         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6600         relocation property table to find out size.  Change error message to
6601         print out the name of a relocation code instead of the numeric value.
6602         (Target_arm::scan_reloc_for_stub): Use relocation property table
6603         instead of calling Target_arm::reloc_uses_thumb_bit().
6604
6605 2010-02-02  Doug Kwan  <dougkwan@google.com>
6606
6607         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6608         types of relaxed input section.
6609
6610 2010-02-02  Doug Kwan  <dougkwan@google.com>
6611
6612         * Makefile.am (HFILES): Add arm-reloc-property.h.
6613         (DEFFILES): New.
6614         (TARGETSOURCES): Add arm-reloc-property.cc
6615         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6616         (libgold_a_SOURCES): $(DEFFILES)
6617         * Makefile.in: Regenerate.
6618         * arm-reloc-property.cc: New file.
6619         * arm-reloc-property.h: New file.
6620         * arm-reloc.def: New file.
6621         * arm.cc: Update comments.
6622         (arm-reloc-property.h): New included header.
6623         (arm_reloc_property_table): New global variable.
6624         (Target_arm::do_select_as_default_target): New method definition.
6625         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6626         arm-reloc-property to targ_extra_obj.
6627         * parameters.cc (set_parameters_target): Call
6628         Target::select_as_default_target().
6629         * target.h (Target::select_as_default_target): New method definition.
6630         (Target::do_select_as_default_target): Same.
6631
6632 2010-02-01  Doug Kwan  <dougkwan@google.com>
6633
6634         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6635         first_output_text_section_.
6636         (Arm_exidx_fixup::first_output_text_section): New method definition.
6637         (Arm_exidx_fixup::first_output_text_section_): New data member.
6638         (Arm_exidx_fixup::process_exidx_section): Record the first text
6639         output section seen.
6640         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6641         and entsize in output section header.
6642
6643 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6644
6645         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6646         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6647         (Arm_relocate_functions::thm_alu11): New Method.
6648         (Arm_relocate_functions::thm_pc8): New Method.
6649         (Arm_relocate_functions::thm_pc12): New Method.
6650         (Target_arm::Scan::local): Handle the relocations.
6651         (Target_arm::Scan::global): Likewise.
6652         (Target_arm::Relocate::relocate): Likewise.
6653         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6654
6655 2010-01-29  Doug Kwan  <dougkwan@google.com>
6656
6657         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6658         of relocation types as ld.
6659
6660 2010-01-29  Doug Kwan  <dougkwan@google.com>
6661
6662         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6663         to public.
6664         (Arm_relocate_functions::thumb_branch_common): Ditto.
6665         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6666         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6667         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6668         Arm_relocate_functions::jump24): Remove.
6669         (Target_arm::Relocate::relocate): Adjust code to call
6670         Arm_relocation_functions::arm_branch_common and
6671         Arm_relocation_functions::thumb_branch_common instead of their removed
6672         wrappers.  Merge switch-cases together to reduce source code size.
6673
6674 2010-01-29  Doug Kwan  <dougkwan@google.com>
6675
6676         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6677         output_local_symbol_count_needs_update_.
6678         (Arm_relobj::output_local_symbol_count_needs_update,
6679          Arm_relobj::set_output_local_symbol_count_needs_update,
6680          Arm_relobj::update_output_local_symbol_count): New methods.
6681         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6682         member.
6683         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6684         of pointed function as in a R_ARM_PREL31 relocation.
6685         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6686         for output local symbol count updating.
6687         (Target_arm::do_relax): Update output local symbol counts in objects
6688         if necessary.
6689         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6690
6691 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6692
6693         * arm.cc: Added support for the ARM relocations:
6694         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6695         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6696         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6697         movw_prel_nc).
6698         (Arm_relocate_functions::movw_rel): New method.
6699         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6700         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6701         thm_movw_prel_nc).
6702         (Arm_relocate_functions::thm_movw_rel): New method.
6703         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6704         thm_movt_prel).
6705         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6706         relocations.
6707         (Target_arm::Scan::global): Likewise.
6708         (Target_arm::Relocate::relocate): Likewise.
6709         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6710         Likewise.
6711
6712 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6713
6714         * arm.cc: Added support for ARM group relocations.
6715         (Target_arm::reloc_needs_sym_origin): New method.
6716         (Arm_relocate_functions::calc_grp_kn): New method.
6717         (Arm_relocate_functions::calc_grp_residual): New method.
6718         (Arm_relocate_functions::calc_grp_gn): New method.
6719         (Arm_relocate_functions::arm_grp_alu): New Method.
6720         (Arm_relocate_functions::arm_grp_ldr): New Method.
6721         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6722         (Arm_relocate_functions::arm_grp_ldc): New Method.
6723         (Target_arm::Scan::local): Handle the ARM group relocations.
6724         (Target_arm::Scan::global): Likewise.
6725         (Target_arm::Relocate::relocate): Likewise.
6726         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6727         Likewise.
6728
6729 2010-01-26  Doug Kwan  <dougkwan@google.com>
6730
6731         * arm.cc (set): Include.
6732         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6733         pointer type.
6734         (Arm_output_section::Text_section_list): New type.
6735         (Arm_output_section::append_text_sections_to_list): New method.
6736         (Arm_output_section::fix_exidx_coverage): Ditto.
6737         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6738         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6739         Relobj::set_section_offset() instead of
6740         Sized_relobj::invalidate_section_offset().
6741         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6742         parameter for section headers. Ignore relocation sections for
6743         unallocated sections and EXIDX sections.
6744         (Target_arm::fix_exidx_coverage): New method.
6745         (Target_arm::output_section_address_less_than): New type.
6746         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6747         linked text section instead of the EXIDX section.
6748         (Arm_output_section::create_stub_group): Add an assertion to check
6749         that this is not an EXIDX output section.
6750         (Arm_output_section::append_text_sections_to_list): New method.
6751         (Arm_output_section::fix_exidx_coverage): Ditto.
6752         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6753         Arm_relobj::section_needs_reloc_stub_scanning.
6754         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6755         first pass.
6756         (Target_arm::fix_exidx_coverage): New method.
6757         * object.h (Relobj::set_output_section): New method.
6758         (Sized_relobj::invalidate_section_offset): Remove method.
6759         (Sized_relobj::do_invalidate_section_offset): Remove method.
6760         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6761
6762 2010-01-25  Doug Kwan  <dougkwan@google.com>
6763
6764         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6765         Fix warning due to signed and unsigned comparison on a 32-bit host.
6766
6767 2010-01-22  Doug Kwan  <dougkwan@google.com>
6768
6769         * arm.cc (Target_arm::do_relax): Record an output section for section
6770         offset adjustment it contains any stub table that has changed.
6771         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6772         offsets in an output section if necessary.
6773         * output.cc (Output_section::Output_section): Initialize
6774         section_offsets_need_adjustments_.
6775         (Output_section::add_input_section_for_script): Renamed to
6776         Output_section::add_simple_input_section.
6777         (Output_section::save_states): Add a comment.
6778         (Output_section::discard_states): New method defintion.
6779         (Output_section::adjust_section_offsets): Same.
6780         * output.h (Output_section::add_input_section_for_script): Renamed to
6781         Output_section::add_simple_input_section.
6782         (Output_section::discard_states): New method declaration.
6783         (Output_section::adjust_section_offsets): Same.
6784         (Output_section::section_offsets_need_adjustment,
6785         Output_section::set_section_offsets_need_adjustment): New method
6786         definitions.
6787         (Output_section::section_offsets_need_adjustment_): New data member.
6788         * script-sections.cc
6789         (Output_section_element_input::set_section_address): Adjust code for
6790         renaming of Output_section::add_input_section_for_script.
6791         (Orphan_output_section::set_section_address): Same.
6792
6793 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6794
6795         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6796         Fix_v4bx enum values .
6797         * gold/options.h (General_options): New option definitions.
6798         (General_options::fix_v4bx): New method.
6799         (General_options::Fix_v4bx): New enum.
6800         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6801         (General_options::parse_fix_v4bx_interworking): New method.
6802
6803 2010-01-22  Doug Kwan  <dougkwan@google.com>
6804
6805         * arm.cc (Arm_exidx_fixup): New class.
6806
6807 2010-01-21  Doug Kwan  <dougkwan@google.com>
6808
6809         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6810         classes.
6811         (Arm_exidx_section_offset_map): New type.
6812
6813 2010-01-21  Doug Kwan  <dougkwan@google.com>
6814
6815         * arm.cc (Arm_exidx_input_section): New class.
6816         (Arm_relobj::exidx_input_section_by_link,
6817         Arm_relobj::exidx_input_section_by_shndx,
6818         Arm_relobj::make_exidx_input_section): New methods.
6819         (read_arm_attributes_section): Remove.
6820         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6821         information about them.
6822         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6823         to here.
6824
6825 2010-01-20  Doug Kwan  <dougkwan@google.com>
6826
6827         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6828         Input_section_specifier to Section_id.
6829         (Target_arm::new_arm_input_section: Adjust code for change of key
6830         type.
6831         (Target_arm::find_arm_input_section): Ditto.
6832         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6833         (Section_id): Remove.
6834         (Garbage_collection::Section_id_hash): Remove.
6835         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6836         (Section_id): Remove.
6837         (Icf::Section_id_hash): Remove.
6838         * object.h (Section_id, Const_section_id, Section_id_hash,
6839         Const_section_id_hash): New type definitions.
6840         * output.cc (Output_section::add_relaxed_input_section): Change to
6841         use Const_section_id instead of Input_section_specifier as key type.
6842         (Output_section::add_merge_input_section): Ditto.
6843         (Output_section::build_relaxation_map): Change to use Section_id
6844         instead of Input_section_specifier as key type.
6845         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6846         Ditto.
6847         (Output_section::convert_input_sections_to_relaxed_sections): Change
6848         to use Const_section_id instead of Input_section_specifier as key type.
6849         (Output_section::find_merge_section): Ditto.
6850         (Output_section::find_relaxed_input_section): Ditto.
6851         * output.h (Input_section_specifier): Remove class.
6852         (Output_section::Output_section_data_by_input_section_map): Change
6853         key type to Const_section_id.
6854         (Output_section::Output_relaxed_input_section_by_input_section_map):
6855         Ditto.
6856         (Output_section::Relaxation_map): Change key type to Section_id.
6857
6858 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6859
6860         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6861         (class Arm_v4bx_stub): New class.
6862         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6863         (Stub_factory::make_arm_v4bx_stub): New method.
6864         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6865         (Stub_table::empty): Handle v4bx stubs.
6866         (Stub_table::add_arm_v4bx_stub): New method.
6867         (Stub_table::find_arm_v4bx_stub): New method.
6868         (Arm_relocate_functions::v4bx): New method.
6869         (Target_arm::fix_v4bx): New method.
6870         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6871         (Stub_table::relocate_stubs): Likewise.
6872         (Stub_table::do_write): Likewise.
6873         (Stub_table::update_data_size_and_addralign): Likewise.
6874         (Stub_table::finalize_stubs):  Likewise.
6875         (Target_arm::Scan::local): Likewise.
6876         (Target_arm::Scan::global): Likewise.
6877         (Target_arm::do_finalize_sections): Likewise.
6878         (Target_arm::Relocate::relocate): Likewise.
6879         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6880         Likewise.
6881         (Target_arm::scan_reloc_for_stub): Likewise.
6882         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6883
6884 2010-01-19  Ian Lance Taylor  <iant@google.com>
6885
6886         * output.cc (Output_section_headers::do_sized_write): Write large
6887         segment count to sh_info field.
6888         (Output_file_header::do_sized_write): For large segment count,
6889         write PN_XNUM to e_phnum field.
6890
6891 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6892
6893         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6894         (Arm_relocate_functions::thm_jump8): New function.
6895         (Arm_relocate_functions::thm_jump11): New function.
6896         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6897         R_ARM_THM_JUMP11.
6898         (Target_arm::Scan::global): Likewise.
6899         (Target_arm::Relocate::relocate): Likewise.
6900         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6901         Likewise.
6902
6903 2010-01-14  Doug Kwan  <dougkwan@google.com>
6904
6905         * arm.cc (map, utility): Include headers.
6906         (Target_arm::apply_cortex_a8_workaround): New method.
6907         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6908         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6909         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6910         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6911         the --[no-]fix-cortex-a8 command line options.
6912         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6913         (Target_arm::relocate_stub): Use addend in instruction template.
6914         * options.h (DEFINE_bool): Set the user-set flag.
6915         (General_options): Add --[no-]-fix-cortex options.
6916         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6917         : Update fast look-up map after conversion.
6918
6919 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6920
6921         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6922         in the first pass of do_layout.
6923
6924 2010-01-13  Doug Kwan  <dougkwan@google.com>
6925
6926         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6927         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6928         apparent compiler problem of not folding static constant integral
6929         data members of elfcpp::Elf_sizes<32>.
6930
6931 2010-01-13  Doug Kwan  <dougkwan@google.com>
6932
6933         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6934         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6935         Arm_relobj::scan_section_for_cortex_a8_erratum,
6936         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6937         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6938         sections to scan for relocation stubs into a new method
6939         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6940         relocation and Cortex-A8 stub scanning.
6941         (Target_arm::do_relax): Force stubs to be after stubbed sections
6942         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6943         the beginning of a new relaxation pass.  Update a comment.
6944         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6945
6946 2010-01-12  Ian Lance Taylor  <iant@google.com>
6947
6948         * target-reloc.h (visibility_error): New inline function.
6949         (relocate_section): Call visibility_error.
6950         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6951         (MOSTLYCLEANFILES): Likewise.
6952         (protected_4_pic.o, protected_3.err): New targets.
6953         * testsuite/protected_4.cc: New file.
6954
6955 2010-01-12  Doug Kwan  <dougkwan@google.com>
6956
6957         * arm.cc (Cortex_a8_reloc): New class.
6958         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6959         and cortex_a8_relocs_info_.
6960         (Target_arm::fix_cortex_a8): New method definition.
6961         (Target_arm::Cortex_a8_relocs_info): New type.
6962         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6963         New data member declarations.
6964         (Target_arm::scan_reloc_for_stub): Record information about
6965         relocations for THUMB branches that might be exempted from the
6966         Cortex-A8 workaround.
6967         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6968         at the beginning of a relaxation pass.
6969
6970 2010-01-12  Doug Kwan  <dougkwan@google.com>
6971
6972         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6973         (Arm_relobj::Mapping_symbol_position,
6974          Arm_reloj::Mapping_symbol_position_less,
6975          Arm_relobj::Mapping_symbols_info): New types.
6976         (Target_arm::is_mapping_symbol_name): New method definition.
6977         (Arm_relobj::do_count_local_symbols): Save information about mapping
6978         symbols.
6979
6980 2010-01-11  Doug Kwan  <dougkwan@google.com>
6981
6982         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6983         Arm_relocate_functions::thumb32_branch_upper,
6984         Arm_relocate_functions::thumb32_branch_lower,
6985         Arm_relocate_functions::thumb32_cond_branch_offset,
6986         Arm_relocate_functions::thumb32_cond_branch_upper,
6987         Arm_relocate_functions::thumb32_cond_branch_lower,
6988         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6989         branch offset encoding.
6990         (Arm_relocate_functions::thumb_branch_common): Use new branch
6991         offset encoding methods to avoid code duplication.
6992         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6993         (Stub_addend_reader::operator()): Use new branch encoding method
6994         to avoid code duplication.
6995
6996 2010-01-11  Doug Kwan  <dougkwan@google.com>
6997
6998         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6999         (Target_arm::do_finalize_sections): Define special EXIDX section
7000         symbols only if referenced.
7001         * gc.h (Garbage_collection::add_reference): New method.
7002         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7003         code duplication.
7004
7005 2010-01-11  Ian Lance Taylor  <iant@google.com>
7006
7007         * script.cc (Version_script_info::build_expression_list_lookup):
7008         Change complaing about duplicate wildcard match from error to
7009         warning.
7010
7011         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7012         of 2009-12-30.
7013         (Version_script_info::Version_script_info): Initialize globs_,
7014         default_version_, default_is_global_, and exact_.  Don't
7015         initialize globals_ or locals_.
7016         (Version_script_info::build_lookup_tables): Build local symbols
7017         first.
7018         (Version_script_info::unquote): New function.
7019         (Version_script_info::add_exact_match): New function.
7020         (Version_script_info::build_expression_list_lookup): Remove lookup
7021         parameter.  Add is_global parameter.  Change all callers.  Handle
7022         wildcard pattern specially.  Unquote pattern.  Call
7023         add_exact_match.
7024         (Version_script_info::get_name_to_match): New function.
7025         (Version_script_info::get_symbol_version): New function.
7026         (Version_script_info::get_symbol_version_helper): Remove.
7027         (Version_script_info::check_unmatched_names): Call unquote.
7028         * script.h (class Version_script_info): Change get_symbol_version
7029         to be non-inline and add is_global parameter; change all callers.
7030         Rewrite symbol_is_local.  Update declarations.  Define struct
7031         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7032         Remove globals_ and locals_ members.  Add exact_, globs_,
7033         default_version_, is_global_.
7034         (Version_script_info::Glob): Remove pattern, add expression and
7035         is_global.  Update constructor.  Change all callers.
7036         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7037         default version.
7038         (Versions::symbol_section_contents): If a symbol is undefined, or
7039         defined in a dynamic object, set the version index to
7040         VER_NDX_LOCAL.
7041         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7042         symbol_is_local.
7043         (Symbol_table::add_from_pluginobj): Likewise.
7044         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7045
7046 2010-01-11  Doug Kwan  <dougkwan@google.com>
7047
7048         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7049         (incremental_dump_LDADD): Add linking option for libintl.
7050         * Makefile.in: Regenerate.
7051
7052 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7053
7054         PR gold/11144
7055         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7056         instead of -Ds.
7057         * testsuite/Makefile.in: Regenerated.
7058
7059 2010-01-10  Doug Kwan  <dougkwan@google.com>
7060
7061         * options.h (DEFINE_var): Use parentheses around argument varname__
7062         in macro body to avoid any unintended subsequent substitutions.
7063
7064 2010-01-10  Ian Lance Taylor  <iant@google.com>
7065
7066         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7067         candidates before doing symbol resolution.
7068
7069         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7070         ODR candidates if only one is weak.
7071
7072 2010-01-08  Ian Lance Taylor  <iant@google.com>
7073
7074         * script.cc (Version_script_info::build_expression_list_lookup):
7075         Don't warn about ambiguous version, just record the ambiguity.
7076         (Version_script_info::get_symbol_version_helper): Give error if
7077         version is ambiguous.
7078
7079 2010-01-08  Doug Kwan  <dougkwan@google.com>
7080
7081         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7082           prev_data_size_ and prev_addralign_.  Remove initializer for
7083           deleted data member has_been_changed_.
7084           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7085           to determine if the table is empty.
7086           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7087           Remove.
7088           (Stub_table::add_reloc_stub): Define method in class definition
7089           instead of just declaring it there.
7090           (Stub_table::add_cortex_a8_stub): New method definition.
7091           (Stub_table::update_data_size_and_addralign): Ditto.
7092           (Stub_table::finalize_stubs): Ditto.
7093           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7094           (Stub_table::do_addralign_): Return address alignment in the
7095           (Stub_table::do_reset_address_and_file_offset): Define method in
7096           class definition instead of declaring it there.  Set current data
7097           size to be the data size of the previous pass.
7098           (Stub_table::set_final_data_size): Use current data size as the
7099           final data size.
7100           (Stub_table::relocate_stub): Change parameter type of stub from
7101           Reloc_stub pointer to Stub pointer.
7102           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7103           (Stub_table::Cortex_a8_stub_list): New typedef.
7104           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7105            Stub_table::prev_addralign_): New data member.
7106           (Arm_relobj::Arm_relobj): Initialize data member
7107           section_has_cortex_a8_workaround_.
7108           (Arm_relobj::section_has_cortex_a8_workaround,
7109            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7110            definitions.
7111           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7112           declarations.
7113           (Target_arm::relocate_stub): Change parameter type of stub from
7114           Reloc_stub pointer to Stub pointer.
7115           (Insn_template::size, Insn_template::alignment): Handle
7116           THUMB16_SPECIAL_TYPE.
7117           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7118            Stub_table::update_data_size_and_addralign,
7119            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7120           definitions.
7121           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7122           (Stub_table::do_write): Ditto.
7123           (Target_arm::do_relax): Adjust code for changes in Stub_table.
7124
7125 2010-01-08  Ian Lance Taylor  <iant@google.com>
7126
7127         PR 11108
7128         * symtab.h (class Symbol): Remove fields is_target_special_ and
7129         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7130         (Symbol::is_defined_in_discarded_section): New function.
7131         (Symbol::set_is_defined_in_discarded_section): New function.
7132         (Symbol::has_plt_offset): Rewrite.
7133         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7134         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7135         Don't initialize is_target_special_ or has_plt_offset_.
7136         Initialize is_defined_in_discarded_section_.
7137         (Symbol_table::add_from_relobj): If appropriate, set
7138         is_defined_in_discarded_section.
7139         * resolve.cc (Symbol::override_base_with_special): Don't test
7140         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7141         * target-reloc.h (relocate_section): Do special handling for
7142         symbols defined in discarded sections for global symbols as well
7143         as local symbols.
7144
7145 2010-01-08  Ian Lance Taylor  <iant@google.com>
7146
7147         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7148         the SHT_SYMTAB case.
7149
7150 2010-01-08  Ian Lance Taylor  <iant@google.com>
7151
7152         * object.cc (Sized_relobj::do_layout): Don't get confused if
7153         layout_eh_frame returns NULL.
7154
7155 2010-01-08  Ian Lance Taylor  <iant@google.com>
7156
7157         PR 11084
7158         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7159         dynamic symbol table, use the normal symbol table.
7160         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7161         symbol table.
7162
7163 2010-01-08  Ian Lance Taylor  <iant@google.com>
7164
7165         PR 11072
7166         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7167         sections.
7168
7169 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7170
7171         * version.cc (print_version): Change to "Copyright 2010".
7172
7173 2010-01-08  Ian Lance Taylor  <iant@google.com>
7174
7175         PR 10287
7176         PR 11063
7177         * i386.cc (class Target_i386): Change return type of plt_section
7178         to be non-const.
7179         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7180         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7181         tls_desc_rel_ field.
7182         (Output_data_plt_i386::rel_tls_desc): New function.
7183         (Target_i386::rel_tls_desc_section): New function.
7184         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7185         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7186         R_386_TLS_DESC reloc in rel_tls_desc_section.
7187         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7188         Define struct Tlsdesc_info.
7189         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7190         (Target_x86_64::do_reloc_symbol_index): New function.
7191         (Target_x86_64::add_tlsdesc_info): New function.
7192         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7193         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7194         tlsdesc_rel_ field.
7195         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7196         all callers.
7197         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7198         (Target_x86_64::rela_tlsdesc_section): New function.
7199         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7200         handling.
7201         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7202         (Target_x86_64::do_reloc_addend): New function.
7203         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7204         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7205         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7206         (Output_reloc::type): New function.
7207         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7208         (Output_reloc::is_target_specific): New function.
7209         (Output_reloc::target_arg): New function.
7210         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7211         absolute relocs and target specific relocs.
7212         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7213         add_target_specific.
7214         (class Output_data_reloc) [SHT_RELA]: Likewise.
7215         * output.cc (Output_reloc::Output_reloc): Add four new versions
7216         for absolute relocs and target specific relocs.
7217         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7218         (Output_reloc::get_symbol_index): Likewise.
7219         (Output_reloc::local_section_offset): Check that local_sym_index_
7220         is not TARGET_CODE or 0.
7221         (Output_reloc::symbol_value): Likewise.
7222         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7223         reloc.
7224         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7225         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7226         functions.
7227         * layout.cc (add_target_dynamic_tags): Use output section for
7228         DT_PLTRELSZ and DT_JMPREL.
7229
7230 2010-01-07  Ian Lance Taylor  <iant@google.com>
7231
7232         PR 11061
7233         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7234         function.
7235         (class Output_data_reloc_generic): Define.
7236         (class Output_data_reloc_base): Change base class to
7237         Output_data_reloc_generic.  Change add() method to call
7238         bump_relative_reloc_count for a relative reloc.  Remove
7239         sort_relocs_ field.
7240         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7241         to sort_relocs().
7242         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7243         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7244         appropriate.
7245         * layout.h (class Layout): Update declaration.
7246
7247 2010-01-07  Ian Lance Taylor  <iant@google.com>
7248
7249         * output.h (class Output_data): Add const version of
7250         output_section and do_output_section.
7251         (class Output_section_data): Add const version of
7252         do_output_section.
7253         (class Output_section): Likewise.
7254         * layout.cc (Layout::add_target_dynamic_tags): New function.
7255         * layout.h (class Layout): Update declarations.
7256         * arm.cc (Target_arm::do_finalize_sections): Use
7257         add_target_dynamic_tags.
7258         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7259         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7260         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7261         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7262
7263 2010-01-07  Ian Lance Taylor  <iant@google.com>
7264
7265         PR 11042
7266         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7267         object as needed.
7268
7269 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7270             Ian Lance Taylor  <iant@google.com>
7271
7272         PR 11019
7273         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7274         Xindex::read_symtab_xindex.
7275
7276 2010-01-07  Doug Kwan  <dougkwan@google.com>
7277
7278         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7279         (Insn_template::thumb16_bcond_insn): New method declaration.
7280         (Insn_template): Fix spelling.
7281         (Stub::thumb16_special): New method declaration.
7282         (Stub::do_write): Define virtual method which was previously pure
7283         virtual.
7284         (Stub::do_thumb16_special): New method declaration.
7285         (Stub::do_fixed_endian_write): New template member.
7286         (Reloc_stub::do_write): Remove.
7287         (Reloc_stub::do_fixed_endian_write): Remove.
7288         (Cortex_a8_stub): New class definition.
7289         (Stub_factory::make_cortex_a8_stub): New method definition.
7290         (Stub_factory::Stub_factory): Add missing static storage class
7291         qualifier for elf32_arm_stub_a8_veneer_blx.
7292
7293 2010-01-07  Ian Lance Taylor  <iant@google.com>
7294
7295         PR 10980
7296         * options.h (class General_options): Add --warn-unresolved-symbols
7297         and --error-unresolved-symbols.
7298         * errors.cc (Errors::undefined_symbol): Implement
7299         --warn-unresolved-symbols.
7300
7301         * options.h (class General_options): Add -z text and -z textoff.
7302         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7303
7304 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7305
7306         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7307         (Garbage_collection::cident_sections): New function.
7308         (Garbage_collection::add_cident_section): New function.
7309         (Garbage_collection::cident_sections_): New member.
7310         (gc_process_relocs): Add references to sections whose names are C
7311         identifiers.
7312         * gold.h (cident_section_start_prefix): New constant.
7313         (cident_section_stop_prefix): New constant.
7314         (is_cident): New function.
7315         * layout.cc (Layout::define_section_symbols): Replace string constants
7316         with the newly defined constants.
7317         * object.cc (Sized_relobj::do_layout): Track sections whose names are
7318         C identifiers.
7319         * testsuite/Makefile.am: Add gc_orphan_section_test.
7320         * testsuite/Makefile.in: Regenerate.
7321         * testsuite/gc_orphan_section_test.cc: New file.
7322         * testsuite/gc_orphan_section_test.sh: New file.
7323
7324 2010-01-06  Ian Lance Taylor  <iant@google.com>
7325
7326         PR 10980
7327         * options.h (class General_options): Add --warn-shared-textrel.
7328         * layout.cc (Layout::finish_dynamic_section): Implement
7329         --warn-shared-textrel.
7330
7331         PR 10980
7332         * options.h (class General_options): Add --warn-multiple-gp.
7333
7334 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7335
7336         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7337         $(THREADSLIB) and $(LIBDL).
7338         * Makefile.in: Rebuild.
7339
7340 2010-01-06  Ian Lance Taylor  <iant@google.com>
7341
7342         PR 10980
7343         * options.cc (General_options::parse_section_start): New function.
7344         (General_options::section_start): New function.
7345         (General_options::General_options): Initialize all members.
7346         * options.h: Include <map>
7347         (class General_options): Add --section-start.  Add section_starts_
7348         member.
7349         * layout.cc (Layout::attach_allocated_section_to_segment): If
7350         --section-start was used, set the address of the segment.  Remove
7351         local sort_sections.
7352         (Layout::relaxation_loop_body): If the address of the load segment
7353         has been set by --section-start, don't use it.
7354         * output.h (Output_segment::update_flags_for_output_section): New
7355         function.
7356         * output.cc (Output_segment::add_output_section): Call
7357         update_flags_for_output_section.
7358
7359 2010-01-05  Ian Lance Taylor  <iant@google.com>
7360
7361         PR 10980
7362         * options.h (class General_options): Add --undefined-version.
7363         * script.cc (struct Version_expression): Add was_matched_by_symbol
7364         field.
7365         (Version_script_info::matched_symbol): New function.
7366         (Version_script_info::get_symbol_version_helper): Call
7367         matched_symbol.
7368         (Version_script_info::check_unmatched_names): New function.
7369         * script.h (class Version_script_info): Update declarations.
7370         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
7371
7372         * options.h (class General_options): Use DEFINE_bool_alias for
7373         allow_multiple_definition.
7374         * resolve.cc (Symbol_table::should_override): Don't test
7375         allow_multiple_definition.
7376
7377         PR 10980
7378         * options.h (class General_options): Add --cref.
7379         * main.cc (main): Print cref table if --cref.  Don't close mapfile
7380         until after printing cref table.
7381         * cref.cc: Include "symtab.h".
7382         (class Cref_inputs): Define Cref_table_compare and Cref_table.
7383         (Cref_table_compare::operator()): New function.
7384         (Cref_inputs::gather_cref): New function.
7385         (filecol): New static const.
7386         (Cref_inputs::print_cref): New function.
7387         (Cref::print_cref): New function.
7388         * cref.h: Include <cstdio>.
7389         (class Cref): Update declarations.
7390         * mapfile.h (Mapfile::file): New function.
7391         * object.h (class Object): Define Symbols.  Declare virtual
7392         do_get_global_symbols.
7393         (Object::get_global_symbols): New function.
7394         * object.cc (Input_objects::add_object): Pass object to cref_ if
7395         --cref.
7396         (Input_objects::archive_start): Likewise.
7397         (Input_objects::archive_stop): Likewise.
7398         (Input_objects::print_cref): New function.
7399         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7400         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7401         --cref.
7402         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7403         function.
7404         * plugin.h (class Sized_pluginobj): Update declarations.
7405
7406 2010-01-05  Ian Lance Taylor  <iant@google.com>
7407
7408         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7409         to is_default_version.  Rename insdef to insdefault.
7410         (Symbol_table::add_from_relobj): Rename def to is_default_version
7411         and local to is_forced_local.
7412         (Symbol_table::add_from_pluginobj): Likewise.
7413         (Symbol_table::add_from_dynobj): Likewise.
7414         (Symbol_table::define_special_symbol): Rename insdef to
7415         insdefault.
7416
7417 2010-01-04  Ian Lance Taylor  <iant@google.com>
7418
7419         PR 10980
7420         * options.h (class General_options): Add
7421         --allow-multiple-definition and -z muldefs.
7422         * resolve.cc (Symbol_table::should_override): Don't warn about a
7423         multiple symbol definition if --allow-multiple-definition or -z
7424         muldefs.
7425
7426         PR 10980
7427         * options.h (class General_options): Add --add-needed and
7428         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7429         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7430         error if --copy-dt-needed-entries aka --add-needed is used and
7431         would cause a change in behaviour.
7432
7433         PR 10980
7434         * options.h (class General_options): Add -G as a short version of
7435         --shared.  Add no-op options -assert, -g, and -i.
7436
7437 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7438
7439         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7440         check for .text or .gnu.linkonce.t sections.
7441         * icf.cc (Icf::find_identical_sections): Ditto.
7442         Change the detection for mangled function name within the section
7443         name.
7444         * icf.h (is_section_foldable_candidate): New function.
7445
7446 2009-12-30  Ian Lance Taylor  <iant@google.com>
7447
7448         PR 10980
7449         * options.h (class General_options): Permit two dashes with
7450         --retain-symbols-file.
7451
7452 2009-12-30  Ian Lance Taylor  <iant@google.com>
7453
7454         PR 10979
7455         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7456         don't put the file header and segment headers in the text
7457         segment.
7458
7459         PR 10979
7460         * common.cc (Sort_commons::operator()): Stabilize sort when both
7461         entries are NULL.
7462         (Symbol_table::do_allocate_commons_list): When allocating common
7463         symbols, skip a symbol which is no longer common.
7464         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7465         an object before checking its type.
7466         * testsuite/common_test_2.c: New file.
7467         * testsuite/common_test_3.c: New file.
7468         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7469         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7470         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7471         (common_test_2_pic.o, common_test_2.so): New targets.
7472         (common_test_3_pic.o, common_test_3.so): New targets.
7473         * testsuite/Makefile.in: Rebuild.
7474
7475         PR 10979
7476         * script.cc (read_input_script): If we see a new SECTIONS clause,
7477         and we have added an input section, give an error.
7478         * layout.h (class Layout): Add have_added_input_section function.
7479         Add have_added_input_section_ field.
7480         * layout.cc (Layout::Layout): Initialize
7481         have_added_input_section_.
7482         (Layout::layout): Set have_added_input_section_.
7483         (Layout::layout_eh_frame): Likewise.
7484
7485 2009-12-30  Ian Lance Taylor  <iant@google.com>
7486
7487         PR 10931
7488         * options.h (class General_options): Add --sort-common option.
7489         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7490         * common.cc (Sort_common): Add sort_order parameter to
7491         constructor.  Add sort_order_ field.
7492         (Sort_commons::operator): Check sort_order_.
7493         (Symbol_table::allocate_commons): Determine the sort order.
7494         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7495         Change all callers.
7496         (Symbol_table::do_allocate_commons_list): Likewise.
7497
7498 2009-12-30  Ian Lance Taylor  <iant@google.com>
7499
7500         PR 10916
7501         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7502         symbols from this object, don't change the visibility of an
7503         undefined symbol.
7504         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7505
7506 2009-12-30  Ian Lance Taylor  <iant@google.com>
7507
7508         PR 10861
7509         * script.h (class Version_script_info): Define Language enum.
7510         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7511         new fields globals_, locals_, and is_finalized_.
7512         * script.cc: Various formatting fixes.
7513         (class Parser_closure): Change language_stack_ from a vector of
7514         std::string to one of Version_script_info::Language.  Adjust all
7515         uses accordingly.
7516         (class Lazy_demangler): Remove.
7517         (struct Version_expression): Change language from std::string to
7518         Version_script_info::Language.
7519         (Version_script_info::Version_script_info): New function.
7520         (Version_script_info::~Version_script_info): Don't call clear.
7521         (Version_script_info::finalize): New function.
7522         (Version_script_info::build_lookup_tables): New function.
7523         (Version_script_info::build_expression_list_lookup): New
7524         function.
7525         (Version_script_info::get_symbol_version_helper): Rewrite to use
7526         lookup tables.
7527         (Version_script_info::print_expression_list): Adjust to use
7528         Version_script_info::Language.
7529         (script_push_lex_into_version_mode): Check that the version script
7530         has not been finalized.
7531         (version_script_push_lang): Change language string to
7532         Version_script_info::Language.
7533         * options.cc (Command_line::version_script): New function.
7534         * options.h (class General_options): Add finalize_dynamic_list
7535         function.  Change version_script from declaration to definition.
7536         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7537         * testsuite/version_script.map: Remove duplicate def of foo.
7538         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7539         version_script.map.
7540         * testsuite/Makefile.in: Rebuild.
7541
7542 2009-12-30  Ian Lance Taylor  <iant@google.com>
7543
7544         PR 10843
7545         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7546         if the input symbol index is 0, make the output symbol index 0.
7547
7548 2009-12-30  Ian Lance Taylor  <iant@google.com>
7549
7550         PR 10670
7551         * options.h (class General_options): Add -x/--discard-all.
7552         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7553         --discard-all.  If the local symbol needs a dynamic entry, check
7554         that before handling --discard-locals.
7555
7556 2009-12-30  Ian Lance Taylor  <iant@google.com>
7557
7558         PR 10450
7559         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7560         flags to PF_R.
7561         (Output_segment::add_output_section): Don't change the flags if
7562         the type is PT_TLS.
7563
7564         PR 10450
7565         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7566         GNU hash table if they need a dynamic value.  Otherwise, don't add
7567         them if they are defined in a dynamic object or are forced local.
7568
7569 2009-12-29  Ian Lance Taylor  <iant@google.com>
7570
7571         PR 10450
7572         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7573         .gnu.hash table for a 32-bit target.
7574
7575         PR 10450
7576         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7577         regular and a dynamic object only needs a dynamic symbol table
7578         entry if it is externally visible.
7579
7580         PR 10450
7581         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7582         constructor.  Add global_offset_table_ field.
7583         (Target_i386::got_section): Set global_offset_table_.
7584         (Target_i386::do_finalize_sections): Set global_offset_table_
7585         size.
7586         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7587         in constructor.  Add global_offset_table_ field.
7588         (Target_x86_64::got_section): Set global_offset_table_.
7589         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7590         size.
7591
7592         * layout.cc (Layout::Layout): Initialize increase_relro_.
7593         (Layout::get_output_section): Add is_relro, is_last_relro, and
7594         is_first_non_relro parameters.  Change all callers.
7595         (Layout::choose_output_section): Likewise.
7596         (Layout::add_output_section_data): Likewise.
7597         (Layout::make_output_section): Likewise.
7598         (Layout::set_segment_offsets): Clear increase_relro when using a
7599         linker script.
7600         * layout.h (class Layout): Add increase_relro method.  Add
7601         increase_relro_ field.  Update declarations.
7602         * output.cc (Output_section::Output_section): Initialize
7603         is_last_relro_ and is_first_non_relro_.
7604         (Output_segment::add_output_section): Group relro sections is
7605         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7606         (Output_segment::maximum_alignment): Remove relro handling.
7607         (Output_segment::set_section_addresses): Add increase_relro
7608         parameter.  Change all callers.  Add initial alignment to align
7609         relro sections on separate page.  Remove old relro handling.
7610         (Output_segment::set_section_list_addresses): Remove in_relro
7611         parameter.  Change all callers.
7612         (Output_segment::set_offset): Add increase parameter.  Change all
7613         callers.  Remove old relro handling.
7614         * output.h (class Output_section): Add new methods: is_last_relro,
7615         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7616         Add is_last_relro_ and is_first_non_relro_ fields.
7617         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7618         Create separate .got.plt section.  Call increase_relro.
7619         * x86_64.cc (Target_x86_64::got_section): Likewise.
7620         * testsuite/relro_script_test.t: Add .got.plt.
7621
7622         PR 10450
7623         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7624         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7625         (Layout::finalize): Call set_dynamic_symbol_size.
7626         (Layout::set_dynamic_symbol_size): New function.
7627         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7628         set_dynamic_symbol_size.
7629
7630         PR 10450
7631         * output.h (class Output_section): Add is_entsize_zero_ field.
7632         * output.cc (Output_section::Output_section): Initialize
7633         is_entsize_zero_.
7634         (Output_section::set_entsize): If two different entsizes are
7635         requested, force it to zero.
7636         (Output_section::add_input_section): Set flags for .debug_str
7637         before updating section flags.  Set entsize.
7638         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7639         and SHF_STRING if all input sections have those flags.
7640
7641 2009-12-29   Rafael Espindola  <espindola@google.com>
7642
7643         * main.cc (main): Fix the sys time reporting.
7644         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7645         reporting.
7646
7647 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7648
7649         * options.cc (General_options::parse_version): Allow -v to exit
7650         without an error if there is nothing to link.
7651
7652 2009-12-29  Ian Lance Taylor  <iant@google.com>
7653
7654         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7655         using a version of gcc before 4.1.
7656         * configure: Rebuild.
7657
7658 2009-12-28  Chris Demetriou  <cgd@google.com>
7659
7660         * attributes.cc (Output_attributes_section_data::do_write): Use
7661         std::vector::front rather than std::vector::data.
7662
7663 2009-12-28  Ian Lance Taylor  <iant@google.com>
7664
7665         * symtab.h (class Symbol_table): Add enum Defined.
7666         * resolve.cc (Symbol_table::should_override): Add defined
7667         parameter.  Change all callers.  Test whether object is NULL
7668         before calling a method on it.
7669         (Symbol_table::report_resolve_problem): Add defined parameter.
7670         Change all callers.
7671         (Symbol_table::should_override_with_special): Likewise.
7672         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7673         parameter.  Change all callers.
7674         (Symbol_table::do_define_in_output_data): Likewise.
7675         (Symbol_table::define_in_output_segment): Likewise.
7676         (Symbol_table::do_define_in_output_segment): Likewise.
7677         (Symbol_table::define_as_constant): Likewise.
7678         (Symbol_table::do_define_as_constant): Likewise.
7679         * script.h (class Symbol_assignment): Add is_defsym parameter to
7680         constructor; change all callers.
7681         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7682         parameter.  Change all callers.  Add is_defsym_ field.
7683         (class Parser_closure): Add parsing_defsym parameter to
7684         constructor; change all callers.  Add parsing_defsym accessor
7685         function.  Add parsing_defsym_ field.
7686
7687 2009-12-28  Ian Lance Taylor  <iant@google.com>
7688
7689         * gold.cc (queue_middle_tasks): Fix formatting.
7690         * object.cc (Relobj::is_section_name_included): Likewise.
7691
7692 2009-12-23  Ian Lance Taylor  <iant@google.com>
7693
7694         * i386.cc (Target_i386::do_calls_non_split): Recognize
7695         -fsplit-stack prologue for a function with a static chain.
7696         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7697         -fsplit-stack prologue when using %r11.
7698
7699 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7700
7701         * options.cc (General_options::parse_version): Make -v continue and do
7702         the link like GNU ld does.
7703
7704 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7705
7706         * Makefile.am (CCFILES): Add timer.cc.
7707         (HFILES): Add timer.h.
7708         * configure.ac: Check for sysconf and times.
7709         * main.cc: include timer.h.
7710         (main): Use Timer instead of get_run_time.
7711         * timer.cc: New.
7712         * timer.h: New.
7713         * workqueue.cc: include timer.h.
7714         (Workqueue::find_and_run_task):
7715         Report user, sys and wall time.
7716         * Makefile.in: Regenerate.
7717         * config.in: Regenerate.
7718         * configure: Regenerate.
7719
7720 2009-12-16  Doug Kwan  <dougkwan@google.com>
7721
7722         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7723         sections.
7724         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7725         relaxed input sections.
7726         * output.cc (Output_section::find_relaxed_input_section): Change
7727         return type to Output_relaxed_input_section pointer.  Adjust code
7728         for new type of relaxed_input_section_map_.
7729         * output.h (Output_section::find_relaxed_input_section): Change
7730         return type to Output_relaxed_input_section pointer.
7731         (Output_section::Output_relaxed_input_section_by_input_section_map):
7732         New type.
7733         (Output_section::relaxed_input_section_map_): Change type to
7734         Output_section::Output_relaxed_input_section_by_input_section_map.
7735         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7736         input section.
7737
7738 2009-12-15  Ian Lance Taylor  <iant@google.com>
7739
7740         * layout.cc (Layout::create_shstrtab): Only write out after input
7741         sections if we are compressing debug sections.
7742
7743 2009-12-15  Ian Lance Taylor  <iant@google.com>
7744
7745         * archive.cc (Archive::add_symbols): Only look up a symbol without
7746         a version if there is, in fact, a version.
7747
7748 2009-12-14  Ian Lance Taylor  <iant@google.com>
7749
7750         Revert -Wshadow changes, all changes from:
7751         2009-12-11  Doug Kwan  <dougkwan@google.com>
7752         2009-12-11  Nick Clifton  <nickc@redhat.com>
7753         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7754
7755 2009-12-11  Doug Kwan  <dougkwan@google.com>
7756
7757         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7758         due to -Wshadow.
7759         * attributes.cc (Object_attribute::size): Ditto.
7760         (Attributes_section_data::size): Ditto.
7761         (Attributes_section_data::Attributes_section_data): Ditto.
7762         (Output_attributes_section_data::do_write): Ditto.
7763         * attributes.h (Object_attribute::set_type): Ditto.
7764         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7765
7766 2009-12-11  Nick Clifton  <nickc@redhat.com>
7767
7768         * archive.cc: Fix shadowed variable warnings.
7769         * arm.cc: Likewise.
7770         * compressed_output.cc: Likewise.
7771         * compressed_output.h: Likewise.
7772         * configure: Likewise.
7773         * dwarf_reader.cc: Likewise.
7774         * dynobj.cc: Likewise.
7775         * dynobj.h: Likewise.
7776         * ehframe.cc: Likewise.
7777         * ehframe.h: Likewise.
7778         * errors.cc: Likewise.
7779         * expression.cc: Likewise.
7780         * fileread.cc: Likewise.
7781         * fileread.h: Likewise.
7782         * freebsd.h: Likewise.
7783         * i386.cc: Likewise.
7784         * icf.cc: Likewise.
7785         * incremental.h: Likewise.
7786         * layout.cc: Likewise.
7787         * layout.h: Likewise.
7788         * mapfile.cc: Likewise.
7789         * merge.cc: Likewise.
7790         * merge.h: Likewise.
7791         * object.cc: Likewise.
7792         * object.h: Likewise.
7793         * options.h: Likewise.
7794         * output.cc: Likewise.
7795         * output.h: Likewise.
7796         * parameters.cc: Likewise.
7797         * plugin.cc: Likewise.
7798         * powerpc.cc: Likewise.
7799         * reduced_debug_output.cc: Likewise.
7800         * reduced_debug_output.h: Likewise.
7801         * reloc.cc: Likewise.
7802         * reloc.h: Likewise.
7803         * resolve.cc: Likewise.
7804         * script-sections.cc: Likewise.
7805         * script.cc: Likewise.
7806         * script.h: Likewise.
7807         * sparc.cc: Likewise.
7808         * symtab.cc: Likewise.
7809         * symtab.h: Likewise.
7810         * target-select.cc: Likewise.
7811         * target-select.h: Likewise.
7812         * token.h: Likewise.
7813         * workqueue.cc: Likewise.
7814         * workqueue.h: Likewise.
7815         * x86_64.cc: Likewise.
7816
7817 2009-12-10  Doug Kwan  <dougkwan@google.com>
7818
7819         * arm.cc (attributes.h): New include.
7820         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7821         (Arm_relobj::~Arm_relobj): Delete object pointed by
7822         attributes_section_data_.
7823         (Arm_relobj::attributes_section_data): New method definition.
7824         (Arm_relobj::attributes_section_data_): New data member declaration.
7825         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7826         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7827         attributes_section_data_.
7828         (Arm_dynobj::attributes_section_data): New method definition.
7829         (Arm_dynobj::attributes_section_data_): New data member declaration.
7830         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7831         initialization value of may_use_blx_ to false.
7832         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7833         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7834         object attributes to compute results instead of hard-coding.
7835         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7836         Target_arm::get_secondary_compatible_arch,
7837         Target_arm::set_secondary_compatible_arch
7838         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7839         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7840         New method declarations.
7841         (Target_arm::get_aeabi_object_attribute): New method definition.
7842         (Target_arm::attributes_section_data_): New data member declaration.
7843         (read_arm_attributes_section): New template definition.
7844         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7845         (Arm_dynobj::do_read_symbols): Ditto.
7846         (Target_arm::do_finalize_sections): Merge attributes sections from
7847         input.  Check for BLX use after attributes section merging.
7848         Fix __exidx_start and __exidx_end visibility.  Create an
7849         .ARM.attributes section if necessary.
7850         (Target_arm::get_secondary_compatible_arch,
7851         Target_arm::set_secondary_compatible_arch,
7852         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7853         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7854         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7855         New method definitions.
7856
7857 2009-12-09  Ian Lance Taylor  <iant@google.com>
7858
7859         * plugin.cc (Plugin::load): Don't cast from void* to a function
7860         pointer.
7861
7862 2009-12-09  Ian Lance Taylor  <iant@google.com>
7863
7864         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7865         information fields.
7866
7867 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7868
7869         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7870         Replace two_file_shared_1.so with two_file_shared_2.so.
7871         * testsuite/Makefile.in: Regenerated.
7872
7873 2009-12-08  Doug Kwan  <dougkwan@google.com>
7874
7875         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7876         (HFILES): Add attributes.h and int_encoding.h.
7877         * Makefile.in: Regenerate.
7878         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7879         function definitions to int_encoding.cc
7880         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7881         prototypes to int_encoding.h
7882         * reduced_debug_output.cc (int_encoding.h): New include.
7883         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7884         function definitions to int_encoding.cc
7885         (insert_into_vector, read_from_pointer): Move template definitions to
7886         int_encoding.h
7887         * attributes.cc: New file.
7888         * attributes.h: New file.
7889         * int_encoding.cc: New file.
7890         * int_encoding.h: New file.
7891
7892 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7893
7894         PR gold/11055
7895         * incremental-dump.cc (dump_incremental_inputs): New.
7896         (main): Use dump_incremental_inputs.
7897
7898 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7899
7900         PR gold/10893
7901         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7902         checking elfcpp::STT_FUNC.
7903         (Target_i386::Relocate::relocate): Likewise.
7904         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7905
7906         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7907         symbols from shared libraries into normal FUNC symbols.
7908
7909         * symtab.h (Symbol): Add is_func and use it.
7910
7911 2009-12-05  Doug Kwan  <dougkwan@google.com>
7912
7913         * arm.cc (Target_arm::arm_info): Initialize new fields
7914         attributes_section and attributes_vendor.
7915         * i386.cc (Target_i386::i386_info): Same.
7916         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7917         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7918         fields attributes_section and attributes_vendor.
7919         * sparc.cc (Target_sparc::sparc_info): Same.
7920         * target.h (Target::attributes_section, Target::attributes_vendor,
7921         Target::is_attributes_section, Target::attribute_arg_type,
7922         Target::attributes_order): New method definitions.
7923         (Target::Target_info::attributes_section,
7924         Target::Target_info::attributes_vendor): New fields.
7925         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7926         virtual method definitions.
7927         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7928         attributes_section and attributes_vendor.
7929         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7930
7931 2009-12-05  Doug Kwan  <dougkwan@google.com>
7932
7933         * arm.cc: Update comments about interworking and stub generation.
7934         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7935         considered as non-PIC.
7936         (Arm_relocate_functions::base_abs): Fix formatting.
7937         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7938         of function to use GOT entry address instead of offset.
7939         (Target_arm::Scan::global): Issue an error if a symbol would need a
7940         PLT does not get one because it is untyped.  Remove code to create
7941         dynamic symbols for relative branches.
7942         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7943         takes unsigned integer instead of boolean.
7944
7945 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7946
7947         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7948         (two_file_test_LDADD): Likewise.
7949         (common_test_1_LDADD): Likewise.
7950         (exception_test_LDADD) Likewise.
7951         (weak_test_LDADD): Likewise.
7952         (many_sections_test_LDADD): Likewise.
7953         (initpri1_LDADD): Likewise.
7954         (script_test_1_LDADD): Likewise.
7955         (script_test_2_LDADD): Likewise.
7956         (justsyms_LDADD): Likewise.
7957         (binary_test_LDADD): Likewise.
7958         (large_LDADD): Likewise.
7959         * testsuite/Makefile.in: Regenerated.
7960
7961 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7962
7963         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7964         (Symbol_table::override_with_special): Likewise.
7965         (Symbol_table::add_from_object): Likewise.
7966
7967 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7968
7969         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7970         Don't set the data_offset twice.
7971
7972 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7973
7974         * testsuite/Makefile.in: Regenerate.
7975
7976 2009-12-03  Doug Kwan  <dougkwan@google.com>
7977
7978         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7979         (Target_arm::do_finalize_sections): Add parameter for symbol table
7980         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7981         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7982         parameter for symbol table pointer.
7983         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7984         an additional parameter for a pointer to symbol table.
7985         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7986         parameter for a symbol table pointer.
7987         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7988         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7989         Ditto.
7990         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7991         parameter for a symbol table pointer.
7992
7993 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7994
7995         * incremental.cc (Incremental_inputs_header)
7996         (Incremental_inputs_header_write, Incremental_inputs_entry)
7997         (Incremental_inputs_entry_write): Move ...
7998         * incremental.h (Incremental_inputs_header)
7999         (Incremental_inputs_header_write, Incremental_inputs_entry)
8000         (Incremental_inputs_entry_write): here.
8001
8002 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8003
8004         * incremental.cc (make_sized_incremental_binary): Set the target.
8005         Error if it is incompatible.
8006         * output.h (Output_file): Add filename method.
8007
8008 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8009
8010         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8011         from the get_* methods.
8012
8013 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8014
8015         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8016         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8017         Write 0 for the data_offset of scripts.
8018
8019 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8020
8021         * testsuite/Makefile.am: Add the incremental_test.sh test.
8022         * testsuite/incremental_test.sh: New.
8023         * testsuite/incremental_test_1.c: New.
8024         * testsuite/incremental_test_2.c: New.
8025
8026 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8027
8028        * incremental-dump.cc (main): Fix typos.
8029
8030 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8031
8032         PR gold/11025
8033         * incremental-dump.cc (main): Use llu to print 64 bit values.
8034
8035 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8036             H.J. Lu  <hongjiu.lu@intel.com>
8037
8038         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8039         $(LIBDL).
8040         (incremental_dump_LDADD): Likewise.
8041         * Makefile.in: Regenerated.
8042
8043 2009-11-25  Doug Kwan  <dougkwan@google.com>
8044
8045         Revert:
8046
8047         2009-11-25  Doug Kwan  <dougkwan@google.com>
8048
8049                 * arm.cc (Target_arm::Target_arm): Move method definition
8050                 outside of class definition.  Add code to handle
8051                 --target1-rel, --target1-abs and --target2= options.
8052                 (Target_arm::get_reloc_reloc_type): Change method to be
8053                 non-static and const.
8054                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8055                 New data member declaration.
8056                 (Target_arm::Scan::local, Target_arm::Scan::global,
8057                 Target_arm::Relocate::relocate,
8058                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8059                 Adjust call to Target_arm::get_real_reloc_type.
8060                 (Target_arm::get_real_reloc_type): Use command line options
8061                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8062                 * options.h (--target1-rel, --target1-abs, --target2): New
8063                 ARM-only options.
8064
8065 2009-11-25  Doug Kwan  <dougkwan@google.com>
8066
8067         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8068         class definition.  Add code to handle --target1-rel, --target1-abs
8069         and --target2= options.
8070         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8071         and const.
8072         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8073         member declaration.
8074         (Target_arm::Scan::local, Target_arm::Scan::global,
8075         Target_arm::Relocate::relocate,
8076         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8077         call to Target_arm::get_real_reloc_type.
8078         (Target_arm::get_real_reloc_type): Use command line options to
8079         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8080         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8081         options.
8082
8083 2009-11-25  Doug Kwan  <dougkwan@google.com>
8084
8085         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8086         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8087         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8088         formatting.
8089         (Arm_relocate_functions::thm_call): Replace body with a call to
8090         Arm_relocate_functions::thumb_branch_common.
8091         (Arm_relocate_functions::thm_jump24,
8092         Arm_relocate_functions::thm_xpc22): New method definitions.
8093         (Arm_relocate_functions::thumb_branch_common): New method definition.
8094         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8095         operator.
8096         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8097         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8098
8099 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8100
8101         * Makefile.am: Build incremental-dump
8102         * Makefile.in: Regenerate.
8103         * incremental-dump.cc: New.
8104         * incremental.cc (Incremental_inputs_header_data,
8105         Incremental_inputs_entry_data): Move to incremental.h
8106         * incremental.h: (Incremental_inputs_header_data,
8107         Incremental_inputs_entry_data): Move from incremental.cc
8108
8109 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8110
8111         * incremental.cc (Incremental_inputs_header,
8112         Incremental_inputs_header_write, Incremental_inputs_entry,
8113         Incremental_inputs_entry_write): Add a typedef with the data type.
8114
8115 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8116
8117         * incremental.cc (Incremental_inputs_header,
8118         Incremental_inputs_header_write, Incremental_inputs_entry,
8119         Incremental_inputs_entry_write): Update comment about which
8120         type has the filed descriptions.
8121
8122 2009-11-15  Doug Kwan  <dougkwan@google.com>
8123
8124         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8125         (Arm_relocate_functions::arm_branch_common): Change method defintion
8126         in class definition to a method declaration and update list of formal
8127         parameters.
8128         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8129         Arm_relocation_functions::jump24): Adjust call to
8130         Arm_relocate_functions::arm_branch_common.  Update list of formal
8131         parameters.
8132         (Arm_relocate_functions::xpc25): New method definition.
8133         (Arm_relocate_functions::arm_branch_common): Move method defintion
8134         out from class definition.  Use stubs for mode-switching and extending
8135         branch ranges.
8136         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8137         specially.  Change code to enable use of stubs in ARM branches.
8138
8139 2009-11-10  Doug Kwan  <dougkwan@google.com>
8140
8141         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8142         in method declaration.
8143         (Target_arm::relocate_stub): New method declaration.
8144         (Target_arm::default_target): Change to return a pointer instead of
8145         a const reference.
8146         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8147         Target_arm::default_target.
8148         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8149         method definition.
8150         (Target_arm::relocate_section): Adjust view.
8151         (Target_arm::relocate_stub): New method definition.
8152
8153 2009-11-10  Doug Kwan  <dougkwan@google.com>
8154
8155         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8156         a format warning.
8157         * incremental.cc (open_incremental_binary): Initialized local
8158         variables to avoid warnings.
8159         * object.cc (make_elf_object): Ditto.
8160         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8161         a format warning.
8162
8163 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8164
8165         PR gold/10930
8166         * testsuite/plugin_test.c: Include "config.h".
8167
8168 2009-11-09  Doug Kwan  <dougkwan@google.com>
8169
8170         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8171         (arm_symbol_value): Remove.
8172         (Arm_relocate_functions::arm_branch_common,
8173         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8174         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8175         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8176         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8177         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8178         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8179         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8180         Arm_relocate_functions::thm_mobw_abs_nc,
8181         Arm_relocate_functions::thm_mov_abs,
8182         Arm_relocate_functions::movw_prel_nc,
8183         Arm_relocate_functions::thm_movt_abs,
8184         Arm_relocate_functions::movt_prel,
8185         Arm_relocate_functions::thm_movw_prel_nc,
8186         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8187         (Target_arm::Relocate::relocate): Only decompose address into two
8188         parts if relocation type uses the thumb-bit and pass the actual
8189         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8190         calls to methods in Arm_relocate_functions for this change.
8191
8192 2009-11-08  Ian Lance Taylor  <iant@google.com>
8193
8194         PR 10925
8195         * reloc.cc: Instantiate
8196         Sized_relobj::initialize_input_to_output_maps and
8197         Sized_relobj:free_input_to_output_maps.
8198
8199 2009-11-06  Ian Lance Taylor  <iant@google.com>
8200
8201         PR 10876
8202         * defstd.cc (in_segment): Set only_if_ref true for "end".
8203
8204 2009-11-06  Doug Kwan  <dougkwan@google.com>
8205
8206         * arm.cc (class Reloc_stub): Correct a comment.
8207         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8208         (Target_arm::scan_section_for_stubs): New method declaration.
8209         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8210         Change methods from private to protected.
8211         (Target_arm::do_may_relax): New method definition.
8212         (Target_arm::do_relax, Target_arm::group_sections,
8213         Target_arm::scan_reloc_for_stub,
8214         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8215         (Target_arm::arm_input_section_map_): New data member declaration.
8216         (Target_arm::scan_reloc_for_stub,
8217         Target_arm::scan_reloc_section_for_stubs,
8218         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8219         Target_arm::do_relax): New method definitions.
8220
8221 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8222
8223         * configure.ac: Check for (struct stat)::st_mtim
8224         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8225         * config.in: Regenerate.
8226         * configure: Regenerate.
8227
8228 2009-11-05  Ian Lance Taylor  <iant@google.com>
8229
8230         PR 10910
8231         * output.cc (Output_segment::add_output_section): Add missing
8232         return statement.
8233
8234 2009-11-04  Ian Lance Taylor  <iant@google.com>
8235
8236         PR 10880
8237         * object.h (class Object): Add is_needed and set_is_needed
8238         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8239         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8240         defined in a dynamic object and referenced by a regular object,
8241         set is_needed for the dynamic object.
8242         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8243         if the file is marked with as_needed and it is not needed.
8244
8245 2009-11-04  Ian Lance Taylor  <iant@google.com>
8246
8247         PR 10887
8248         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8249         tags if data is discarded by linker script.
8250         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8251         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8252         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8253         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8254
8255 2009-11-04  Ian Lance Taylor  <iant@google.com>
8256
8257         * layout.cc (Layout::get_output_section): Add is_interp and
8258         is_dynamic_linker_section parameters.  Change all callers.
8259         (Layout::choose_output_section): Likewise.
8260         (Layout::make_output_section): Likewise.
8261         (Layout::add_output_section_data): Add is_dynamic_linker_section
8262         parameter.  Change all callers.
8263         * layout.h (class Layout): Update declarations.
8264         * output.h (class Output_section): Add is_interp, set_is_interp,
8265         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8266         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8267         generate_code_fills_at_write_ to a bitfield.
8268         * output.cc (Output_section::Output_sections): Initialize new
8269         fields.
8270         (Output_segment::add_output_section): Add do_sort parameter.
8271         Change all callers.
8272
8273 2009-11-03  Ian Lance Taylor  <iant@google.com>
8274
8275         PR 10860
8276         * options.h (class General_options): Add --warn-common.
8277         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8278         merging two common symbols.
8279         (Symbol_table::should_override): Handle --warn-common when merging
8280         a common symbol with a defined symbol.  Use report_resolve_problem
8281         for multiple definitions.
8282         (Symbol_table::report_resolve_problem): New function.
8283         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8284
8285 2009-11-03  Doug Kwan  <dougkwan@google.com>
8286
8287         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8288         stub_factory_.
8289         (Target_arm::stub_factory): New method definition.
8290         (Target_arm::new_arm_input_section,
8291         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8292         Target_arm::reloc_uses_thumb_bit): New method declarations.
8293         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8294         New type definitions.
8295         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8296         member declarations.
8297         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8298         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8299         New method definitions.
8300
8301 2009-11-03  Ian Lance Taylor  <iant@google.com>
8302
8303         * options.h (class General_options): Add --warn_constructors.
8304
8305 2009-11-03  Ian Lance Taylor  <iant@google.com>
8306
8307         PR 10893
8308         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8309         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
8310
8311 2009-11-03  Ian Lance Taylor  <iant@google.com>
8312
8313         PR 10895
8314         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
8315         --msgid-bugs-address.
8316         (install-pdf): New target.
8317         (install-data_yes): Look up one directory to find mkinstalldirs.
8318
8319 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
8320
8321         * po/Make-in (.po.gmo): Don't generate .gmo files in source
8322         tree.
8323
8324 2009-10-30  Doug Kwan  <dougkwan@google.com>
8325
8326         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8327
8328 2009-10-30  Doug Kwan  <dougkwan@google.com>
8329
8330         * arm.cc (Stub_addend_reader): New struct template definition
8331         and partial specializations.
8332         (Stub_addend_reader::operator()): New method definition for a
8333         partially specialized template.
8334
8335 2009-10-30  Doug Kwan  <dougkwan@google.com>
8336
8337         * arm.cc (Arm_relobj::processor_specific_flags): New method
8338         definition.
8339         (Arm_relobj::do_read_symbols): New method declaration.
8340         (Arm_relobj::processor_specific_flags_): New data member declaration.
8341         (Arm_dynobj): New class definition.
8342         (Target_arm::do_finalize_sections): Add input_objects parameter.
8343         (Target_arm::do_adjust_elf_header): New method declaration.
8344         (Target_arm::are_eabi_versions_compatible,
8345         (Target_arm::merge_processor_specific_flags): New method declaration.
8346         (Target_arm::do_make_elf_object): New overloaded method definitions
8347         and declaration.
8348         (Arm_relobj::do_read_symbols): New method definition.
8349         (Arm_dynobj::do_read_symbols): Ditto.
8350         (Target_arm::do_finalize_sections): Add input_objects parameters.
8351         Merge processor-specific flags from all input objects.
8352         (Target_arm::are_eabi_versions_compatible,
8353         Target_arm::merge_processor_specific_flags,
8354         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8355         New method definitions.
8356         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8357         Input_objects pointer type parameter.
8358         * layout.cc (Layout::finalize): Pass input objects to target's.
8359         finalize_sections function.
8360         * output.cc (Output_file_header::do_sized_write): Set ELF file
8361         header's processor-specific flags.
8362         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8363         Input_objects pointer type parameter.
8364         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8365         * target.h (Input_objects): New forward class declaration.
8366         (Target::processor_specific_flags,
8367         Target::are_processor_specific_flags_sect): New method definitions.
8368         (Target::finalize_sections): Add input_objects parameter.
8369         (Target::Target): Initialize processor_specific_flags_ and
8370         are_processor_specific_flags_set_.
8371         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
8372         parameter.
8373         (Target::set_processor_specific_flags): New method definition.
8374         (Target::processor_specific_flags_,
8375         Target::are_processor_specific_flags_set_): New data member
8376         declarations.
8377         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
8378         Input_objects pointer type parameter.
8379
8380 2009-10-30  Doug Kwan  <dougkwan@google.com>
8381
8382         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
8383
8384 2009-10-28  Ian Lance Taylor  <iant@google.com>
8385
8386         * object.h (class Relobj): Drop options parameter from
8387         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
8388         do_scan_relocs, do_relocate.  Change all callers.
8389         (class Sized_relobj): Drop options parameters from
8390         do_gc_process_relocs, do_scan_relocs, do_relocate,
8391         do_relocate_sections, relocate_sections, emit_relocs_scan,
8392         emit_relocs_scan_reltype.  Change all callers.
8393         (struct Relocate_info): Remove options field and all references to
8394         it.
8395         * reloc.h (class Read_relocs): Remove options constructor
8396         parameter and options_ field.  Change all callers.
8397         (class Gc_process_relocs, class Scan_relocs): Likewise.
8398         (class Relocate_task): Likewise.
8399         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8400         all callers.
8401         (scan_relocatable_relocs): Likewise.
8402         * target.h (class Sized_target): Remove options parameter from
8403         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8404         all callers.
8405         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8406         callers.
8407         * arm.cc: Update functions to remove options parameters.
8408         * i386.cc: Likewise.
8409         * powerpc.cc: Likewise.
8410         * sparc.cc: Likewise.
8411         * x86_64.cc: Likewise.
8412         * testsuite/testfile.cc: Likewise.
8413
8414 2009-10-28  Doug Kwan  <dougkwan@google.com>
8415
8416         * arm.cc (Arm_relobj): New class definition.
8417         (Arm_relobj::scan_sections_for_stubs,
8418         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8419         New method definitions.
8420
8421 2009-10-28  Cary Coutant  <ccoutant@google.com>
8422
8423         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8424         (Plugin::cleanup_done_): New member.
8425         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8426         (Plugin_manager::cleanup_done_): Remove.
8427         (Plugin_manager::add_input_file): Edit error message.
8428         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8429         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8430
8431 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8432
8433         * fileread.cc: (File_read::View::~View): Use the new
8434         data_ownership_ filed.
8435         (File_read::~File_read): Dispose the new whole_file_view_.
8436         (File_read::open): Mmap the whole file if needed.
8437         (File_read::open): Use whole_file_view_ instead of contents_.
8438         (File_read::find_view): Use whole_file_view_ if applicable.
8439         (File_read::do_read): Use whole_file_view_ instead of contents_.
8440         (File_read::make_view): Use whole_file_view_ instead of contents_,
8441         update File_read::View::View call.
8442         (File_read::find_or_make_view): Update File_read::View::View
8443         call.
8444         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8445         remove contents_
8446         (File_read::View::Data_ownership): New enum.
8447         (File_read::View::View): Replace bool mapped_ with Data_ownership
8448         argument.
8449         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8450         (File_read::View::data_ownership_): New field.
8451         (File_read::contents_): Remove (replaced by whole_file_view_).
8452         (File_read::whole_file_view_): New field.
8453         * options.h (class General_options): Add --keep-files-mapped.
8454
8455 2009-10-27  Cary Coutant  <ccoutant@google.com>
8456
8457         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8458         * testsuite/Makefile.am (plugin_test_5): New test case.
8459         * testsuite/Makefile.in: Regenerate.
8460
8461 2009-10-25  Doug Kwan  <dougkwan@google.com>
8462
8463         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8464         from private to protected to allow access by child class.
8465         (Sized_relobj::do_relocate_sections): New method declaration.
8466         (Sized_relobj::relocate_sections): Virtualize.
8467         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8468         Sized_relobj::relocate_sections.  Instantiate template explicitly
8469         for different target sizes and endianity.
8470
8471 2009-10-24  Doug Kwan  <dougkwan@google.com>
8472
8473         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8474         (Arm_input_section::as_arm_input_section): New method.
8475         (Arm_output_section): New class definition.
8476         (Arm_output_section::create_stub_group,
8477         Arm_output_section::group_sections): New method definitions.
8478
8479 2009-10-22  Doug Kwan  <dougkwan@google.com>
8480
8481         * arm.cc (Arm_input_section): New class definition.
8482         (Arm_input_section::init, Arm_input_section:do_write,
8483         Arm_input_section::set_final_data_size,
8484         Arm_input_section::do_reset_address_and_file_offset): New method
8485         definitions.
8486
8487 2009-10-21  Doug Kwan  <dougkwan@google.com>
8488
8489         * arm.cc (Stub_table, Arm_input_section): New forward class
8490         declarations.
8491         (Stub_table): New class defintion.
8492         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8493         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8494         New method definition.
8495
8496 2009-10-21  Doug Kwan  <dougkwan@google.com>
8497
8498         * arm.cc: Update copyright comments.
8499         (Target_arm): New forward class template declaration.
8500         (Arm_address): New type.
8501         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8502         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8503         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8504         constants.
8505         (Insn_template): Same.
8506         (DEF_STUBS): New macro.
8507         (Stub_type): New enum type.
8508         (Stub_template): New class definition.
8509         (Stub): Same.
8510         (Reloc_stub): Same.
8511         (Stub_factory): Same.
8512         (Target_arm::Target_arm): Initialize may_use_blx_ and
8513         should_force_pic_veneer_.
8514         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8515         Target_arm::should_force_pic_veneer,
8516         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8517         Target_arm::using_thumb_only, Target_arm:;default_target): New
8518         method defintions.
8519         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8520         New data member declarations.
8521         (Insn_template::size, Insn_template::alignment): New method defintions.
8522         (Stub_template::Stub_template): New method definition.
8523         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8524         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8525         (Stub_factory::Stub_factory): New method definition.
8526         * gold.h (string_hash): New template.
8527         * output.h (Input_section_specifier::hash_value): Use
8528         gold::string_hash.
8529         (Input_section_specifier::string_hash): Remove.
8530         * stringpool.cc (Stringpool_template::string_hash): Use
8531         gold::string_hash.
8532
8533 2009-10-20  Doug Kwan  <dougkwan@google.com>
8534
8535         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8536         symbols of relaxed input sections.
8537         * output.h (Output_section::find_relaxed_input_section): Make
8538         method public.
8539
8540 2009-10-16  Doug Kwan  <dougkwan@google.com>
8541
8542         * dynobj.cc (Versions::Versions): Initialize version_script_.
8543         Only insert base version symbol definition for a shared object
8544         if version script defines any version versions.
8545         (Versions::define_base_version): New method definition.
8546         (Versions::add_def): Check that base version is not needed.
8547         (Versions::add_need): Define base version lazily.
8548         * dynobj.h (Versions::define_base_version): New method declaration.
8549         (Versions::needs_base_version_): New data member declaration.
8550         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8551         (check_DATA): Add no_version_test.stdout.
8552         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8553         New make rules.
8554         * testsuite/Makefile.in: Regenerate.
8555         * testsuite/no_version_test.c: New file.
8556         * testsuite/no_version_test.sh: Ditto.
8557
8558 2009-10-16  Doug Kwan  <dougkwan@google.com>
8559
8560         * expression.cc (class Segment_start_expression): New class definition.
8561         (Segment_start_expression::value): New method definition.
8562         (script_exp_function_segment_start): Return a new
8563         Segment_start_expression.
8564         * gold/script-c.h (script_saw_segment_start_expression): New function
8565         prototype.
8566         * script-sections.cc (Script_sections::Script_sections): Initialize
8567         SAW_SEGMENT_START_EXPRESSION_ to false.
8568         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8569         and -Tbbs options to specify section addresses if given in
8570         command line and no SEGMENT_START expression is seen in a script.
8571         * script-sections.h (Script_sections::saw_segment_start_expression,
8572         Script_sections::set_saw_segment_start_expression): New method
8573         definition.
8574         (Script_sections::saw_segment_start_expression_): New data member
8575         declaration.
8576         * script.cc (script_saw_segment_start_expression): New function.
8577         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8578         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8579         script_test_7.sh and script_test_8.sh.
8580         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8581         script_test_8.stdout.
8582         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8583         (script_test_6, script_test_6.stdout, script_test_7,
8584         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8585         * Makefile.in: Regenerate.
8586         * testsuite/script_test_6.sh: New file.
8587         * testsuite/script_test_6.t: Same.
8588         * testsuite/script_test_7.sh: Same.
8589         * testsuite/script_test_7.t: Same.
8590         * testsuite/script_test_8.sh: Same.
8591
8592 2009-10-16  Doug Kwan  <dougkwan@google.com>
8593
8594         * output.cc (Output_segment::set_section_list_address): Cast
8595         expressions to unsigned long long type to avoid format warnings.
8596
8597 2009-10-15  Ian Lance Taylor  <iant@google.com>
8598
8599         * script.cc (Script_options::add_symbol_assignment): Always add a
8600         dot assignment to script_sections_.
8601         * script-sections.cc (Script_sections::add_dot_assignment):
8602         Initialize if necessary.
8603
8604         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8605         program headers with no load segment if there is a linker script.
8606
8607         * layout.cc (Layout::set_segment_offsets): Align the file offset
8608         to the segment aligment for -N or -n with no load segment.
8609         * output.cc (Output_segment::add_output_section): Don't crash if
8610         the first section is a TLS section.
8611         (Output_segment::set_section_list_addresses): Print an error
8612         message if the address moves backward in a linker script.
8613         * script-sections.cc
8614         (Output_section_element_input::set_section_addresses): Don't
8615         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8616         (Orphan_output_section::set_section_addresses): Likewise.
8617
8618 2009-10-15  Doug Kwan  <dougkwan@google.com>
8619
8620         * layout.cc (Layout::finish_dynamic_section): Generate tags
8621         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8622         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8623         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8624
8625 2009-10-14  Ian Lance Taylor  <iant@google.com>
8626
8627         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8628         fields.
8629         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8630         data_shdr fields of relinfo.
8631         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8632         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8633         R_386_TLS_LDO_32, adjust based on section flags.
8634         (Target_i386::Relocate::fix_up_ldo): Remove.
8635
8636 2009-10-13  Ian Lance Taylor  <iant@google.com>
8637
8638         Add support for -pie.
8639         * options.h (class General_options): Add -pie and
8640         --pic-executable.
8641         (General_options::output_is_position_independent): Test -pie.
8642         (General_options::output_is_executable): Return true if not shared
8643         and not relocatable.
8644         (General_options::output_is_pie): Remove.
8645         * options.cc (General_options::finalize): Reject incompatible uses
8646         of -pie.
8647         * gold.cc (queue_middle_tasks): A -pie link is not static.
8648         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8649         * symtab.cc (Symbol::final_value_is_known): Return false if
8650         output_is_position_independent.
8651         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8652         output_is_position_independent.
8653         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8654         output_is_position_independent.
8655         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8656         output_is_position_independent.
8657         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8658         two_file_pie_test.
8659         (basic_pie_test.o, basic_pie_test): New targets.
8660         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8661         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8662         (two_file_pie_test): New target.
8663         * testsuite/Makefile.in: Rebuild.
8664         * README: Remove note saying that -pie is not supported.
8665
8666 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8667
8668         * options.h (class General_options): Add -init and -fini.
8669         * layout.cc (Layout::finish_dynamic_section): Emit
8670         given init and fini functions.
8671
8672 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8673
8674         * gc.h (gc_process_relocs): Check if icf is enabled using new
8675         function.
8676         * gold.cc (queue_initial_tasks): Likewise.
8677         (queue_middle_tasks): Likewise.
8678         * object.cc (do_layout): Likewise.
8679         * symtab.cc (is_section_folded): Likewise.
8680         * main.cc (main): Likewise.
8681         * reloc.cc (Read_relocs::run): Likewise.
8682         (Sized_relobj::do_scan_relocs): Likewise.
8683         * icf.cc (is_function_ctor_or_dtor): New function.
8684         (Icf::find_identical_sections): Check if function is ctor or dtor when
8685         safe icf is chosen.
8686         * options.h (General_options::icf): Change option to be an enum.
8687         (Icf_status): New enum.
8688         (icf_enabled): New method.
8689         (icf_safe_folding): New method.
8690         (set_icf_status): New method.
8691         (icf_status_): New variable.
8692         * (options.cc) (General_options::finalize): Set icf_status_.
8693         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8694         icf_test and icf_keep_unique_test to use the --icf enum flag.
8695         * testsuite/icf_safe_test.sh: New file.
8696         * testsuite/icf_safe_test.cc: New file.
8697
8698 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8699
8700         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8701         includes to gc.h and icf.h.
8702         * arm.cc: Include gc.h.
8703         * gold.cc: Likewise.
8704         * i386.cc: Likewise.
8705         * powerpc.cc: Likewise.
8706         * sparc.cc: Likewise.
8707         * x86_64.cc: Likewise.
8708         * gc.h: Include icf.h.
8709
8710 2009-10-11  Ian Lance Taylor  <iant@google.com>
8711
8712         * plugin.cc: Include "gold.h" before other header files.
8713
8714 2009-10-10  Chris Demetriou  <cgd@google.com>
8715
8716         * options.h (Input_file_argument::Input_file_type): New enum.
8717         (Input_file_argument::is_lib_): Replace with...
8718         (Input_file_argument::type_): New member.
8719         (Input_file_argument::Input_file_argument): Take Input_file_type
8720         'type' rather than boolean 'is_lib' as second argument.
8721         (Input_file_argument::is_lib): Use type_.
8722         (Input_file_argument::is_searched_file): New function.
8723         (Input_file_argument::may_need_search): Handle is_searched_file.
8724         * options.cc (General_options::parse_library): Support -l:filename.
8725         (General_options::parse_just_symbols): Update for Input_file_argument
8726         changes.
8727         (Command_line::process): Likewise.
8728         * archive.cc (Archive::get_file_and_offset): Likewise.
8729         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8730         * script.cc (read_script_file, script_add_file): Likewise.
8731         * fileread.cc (Input_file::Input_file): Likewise.
8732         (Input_file::will_search_for): Handle is_searched_file.
8733         (Input_file::open): Likewise.
8734         * readsyms.cc (Read_symbols::get_name): Likewise.
8735         * testsuite/Makefile.am (searched_file_test): New test.
8736         * testsuite/Makefile.in: Regenerate.
8737         * testsuite/searched_file_test.cc: New file.
8738         * testsuite/searched_file_test_lib.cc: New file.
8739
8740 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8741             Ian Lance Taylor  <iant@google.com>
8742
8743         * descriptor.cc: Include <cstdio> and "binary-io.h".
8744         (Descriptors::open): Open the files in binary mode always.
8745         * script.cc (Lex::get_token): Treat \r as whitespace.
8746
8747 2009-10-09  Ian Lance Taylor  <iant@google.com>
8748
8749         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8750
8751 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8752             Ian Lance Taylor  <iant@google.com>
8753
8754         * configure.ac: Check for readv function also.
8755         * fileread.cc (readv): Define if not HAVE_READV.
8756         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8757         does not exist.
8758         * config.in: Regenerate.
8759         * configure: Regenerate.
8760
8761 2009-10-09  Doug Kwan  <dougkwan@google.com>
8762
8763         * layout.cc (Layout::make_output_section): Call target hook to make
8764         ordinary output section.
8765         (Layout::finalize): Adjust parameter list of call the
8766         Target::may_relax().
8767         * layout.h (class Layout::section_list): New method.
8768         * merge.h (Output_merge_base::entsize): Change visibility to public.
8769         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8770         New methods.
8771         (Output_merge_string::do_is_string): New method.
8772         * object.cc (Sized_relobj::do_setup): renamed from
8773         Sized_relobj::set_up.
8774         * object.h (Sized_relobj::adjust_shndx,
8775         Sized_relobj::initializ_input_to_output_maps,
8776         Sized_relobj::free_input_to_output_maps): Change visibilities to
8777         protected.
8778         (Sized_relobj::setup): Virtualize.
8779         (Sized_relobj::do_setup): New method declaration.
8780         (Sized_relobj::invalidate_section_offset,
8781         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8782         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8783         * options.cc (parse_int): New function.
8784         * options.h (parse_int): New declaration.
8785         (DEFINE_int): New macro.
8786         (stub_group_size): New option.
8787         * output.cc (Output_section::Output_section): Initialize memebers
8788         merge_section_map_, merge_section_by_properties_map_,
8789         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8790         (Output_section::add_input_section): Handled deferred code-fill
8791         generation and remove an old comment.
8792         (Output_section::add_relaxed_input_section): New method definition.
8793         (Output_section::add_merge_input_section): Use merge section by
8794         properties map to speed to search.  Update merge section maps
8795         as appropriate.
8796         (Output_section::build_relaxation_map): New method definition.
8797         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8798         Same.
8799         (Output_section::relax_input_section): Renamed to
8800         Output_section::convert_input_sections_to_relaxed_sections and change
8801         interface to take a vector of pointers to relaxed sections.
8802         (Output_section::find_merge_section,
8803         Output_section::find_relaxed_input_section): New method definitions.
8804         (Output_section::is_input_address_mapped,
8805         Output_section::output_offset, Output_section::output_address):
8806         Use output section data maps to speed up searching.
8807         (Output_section::find_starting_output_address): Add comments.
8808         (Output_section::do_write,
8809         Output_section::write_to_postprocessing_buffer): Do code-fill
8810         generation as appropriate.
8811         (Output_section::get_input_sections): Invalidate relaxed input section
8812         map.
8813         (Output_section::restore_states): Adjust type of checkpoint .
8814         Invalidate relaxed input section map.
8815         * output.h (Output_merge_base): New class declaration.
8816         (Input_section_specifier): New class defintion.
8817         (class Output_relaxed_input_section) Change base class to
8818         Output_section_data_build.
8819         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8820         base class initializer.
8821         (Output_section::add_relaxed_input_section): New method declaration.
8822         (Output_section::Input_section): Change visibility to protected.
8823         (Output_section::Input_section::relobj,
8824         Output_section::Input_section::shndx): Handle relaxed input sections.
8825         Output_section::input_sections) Change visibility to protected.  Also
8826         define overload to return a non-const pointer.
8827         (Output_section::Merge_section_properties): New class defintion.
8828         (Output_section::Merge_section_by_properties_map,
8829         Output_section::Output_section_data_by_input_section_map,
8830         Output_section::Relaxation_map): New types.
8831         (Output_section::relax_input_section): Rename method to
8832         Output_section::convert_input_sections_to_relaxed_sections and change
8833         interface to take a vector of relaxed section pointers.
8834         (Output_section::find_merge_section,
8835         Output_section::find_relaxed_input_section,
8836         Output_section::build_relaxation_map,
8837         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8838         New method declarations.
8839         (Output_section::merge_section_map_
8840         Output_section::merge_section_by_properties_map_,
8841         Output_section::relaxed_input_section_map_,
8842         Output_section::is_relaxed_input_section_map_valid_,
8843         Output_section::generate_code_fills_at_write_): New data members.
8844         * script-sections.cc
8845         (Output_section_element_input::set_section_addresses): Call
8846         current_data_size and addralign methods of relaxed input sections.
8847         (Orphan_output_section::set_section_addresses): Call current_data_size
8848         and addralign methods of relaxed input sections.
8849         * symtab.cc (Symbol_table::compute_final_value): Extract template
8850         from the body of Symbol_table::sized_finalize_symbol.
8851         (Symbol_table::sized_finalized_symbol): Call
8852         Symbol_table::compute_final_value.
8853         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8854         (Symbol_table::compute_final_value): New templated method declaration.
8855         * target.cc (Target::do_make_output_section): New method defintion.
8856         * target.h (Target::make_output_section): New method declaration.
8857         (Target::relax): Add more parameters for input objects, symbol table
8858         and layout.  Adjust call to do_relax.
8859         (Target::do_make_output_section): New method declaration.
8860         (Target::do_relax): Add parameters for input objects, symbol table
8861         and layout.
8862
8863 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8864
8865         * pread.c: Include stdio.h.
8866
8867 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8868
8869         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8870         defined.
8871
8872 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8873
8874         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8875         Change read_shndx type to unsigned int.
8876         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8877         int.
8878         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8879         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8880         Change read_shndx type to unsigned int.
8881         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8882         int.
8883         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8884         * layout.cc (Layout::create_symtab_sections): Cast the result of
8885         local_symcount * symsize to off_t in the gold_assert.
8886
8887 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8888
8889         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8890         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8891         R_ARM_BASE_ABS.
8892         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8893         (Arm_relocate_functions::thm_abs5): New function.
8894         (Arm_relocate_functions::abs12): New function.
8895         (Arm_relocate_functions::abs16): New function.
8896         (Arm_relocate_functions::base_abs): New function.
8897         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8898         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8899         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8900         R_ARM_BASE_ABS.
8901         (Scan::global): Likewise.
8902         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8903         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8904         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8905         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8906         R_ARM_BASE_ABS.
8907
8908 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8909
8910         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8911         (Arm_relocate_functions::movt_prel): New function.
8912         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8913         (Arm_relocate_functions::thm_movt_prel): New function.
8914         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8915         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8916         (Scan::global, Relocate::relocate): Likewise.
8917         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8918
8919 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8920
8921         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8922         Incremental_checker.
8923         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8924         unsigned int.
8925         (class Incremental_inputs_header): New class.
8926         (Incremental_inputs_header_writer): Edit comment.
8927         (Incremental_inputs_entry): New class.
8928         (Incremental_inputs_entry_writer): Edit comment.
8929         (Sized_incremental_binary::do_find_incremental_inputs_section):
8930         Add *strtab_shndx parameter, fill it.
8931         (Sized_incremental_binary::do_check_inputs): New method.
8932         (Incremental_checker::can_incrementally_link_output_file): Use
8933         Sized_incremental_binary::check_inputs.
8934         (Incremental_inputs::report_command_line): Save command line in
8935         command_line_.
8936         * incremental.h:
8937         (Incremental_binary::find_incremental_inputs_section): New
8938         method.
8939         (Incremental_binary::do_find_incremental_inputs_section): Add
8940         strtab_shndx parameter.
8941         (Incremental_binary::do_check_inputs): New pure virtual method.
8942         (Sized_incremental_binary::do_check_inputs): Declare.
8943         (Incremental_checker::Incremental_checker): Add incremental_inputs
8944         parameter, use it to initialize incremental_inputs_.
8945         (Incremental_checker::incremental_inputs_): New field.
8946         (Incremental_checker::command_line): New method.
8947         (Incremental_checker::inputs): New method.
8948         (Incremental_checker::command_line_): New field.
8949
8950 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8951
8952         * incremental.cc: Include <cstdarg> and "target-select.h".
8953         (vexplain_no_incremental): New function.
8954         (explain_no_incremental): New function.
8955         (Incremental_binary::error): New method.
8956         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8957         method.
8958         (make_sized_incremental_binary): New function.
8959         (open_incremental_binary): New function.
8960         (can_incrementally_link_file): Add checks if output is ELF and has
8961         inputs section.
8962         * incremental.h: Include "elfcpp_file.h" and "output.h".
8963         (Incremental_binary): New class.
8964         (Sized_incremental_binary): New class.
8965         (open_incremental_binary): Declare.
8966         * object.cc (is_elf_object): Use
8967         elfcpp::Elf_recognizer::is_elf_file.
8968         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8969         * output.h (Output_file::filesize): New method.
8970
8971 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8972
8973         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8974         New function.
8975         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8976         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8977         function.
8978         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8979         function.
8980         (Arm_relocate_functions::movw_abs_nc): New function.
8981         (Arm_relocate_functions::movt_abs): New function.
8982         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8983         (Arm_relocate_functions::thm_movt_abs): New function.
8984         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8985         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8986         (Scan::global): Likewise.
8987         (Relocate::relocate): Likewise.
8988         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8989
8990 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8991
8992         * arm.cc (Arm_relocate_functions::got_prel) New function.
8993         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8994         (Relocate::relocate): Likewise.
8995         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8996
8997 2009-10-06  Ian Lance Taylor  <iant@google.com>
8998
8999         * options.h (class General_options): Define
9000         split_stack_adjust_size parameter.
9001         * object.h (class Object): Add uses_split_stack_ and
9002         has_no_split_stack_ fields.  Add uses_split_stack and
9003         has_no_split_stack accessor functions.  Declare
9004         handle_split_stack_section.
9005         (class Reloc_symbol_changes): Define.
9006         (class Sized_relobj): Define Function_offsets.  Declare
9007         split_stack_adjust, split_stack_adjust_reltype, and
9008         find_functions.
9009         * object.cc (Object::handle_split_stack_section): New function.
9010         (Sized_relobj::do_layout): Call handle_split_stack_section.
9011         * dynobj.cc (Sized_dynobj::do_layout): Call
9012         handle_split_stack_section.
9013         * reloc.cc (Sized_relobj::relocate_sections): Call
9014         split_stack_adjust for executable sections in split_stack
9015         objects.  Pass reloc_map to relocate_section.
9016         (Sized_relobj::split_stack_adjust): New function.
9017         (Sized_relobj::split_stack_adjust_reltype): New function.
9018         (Sized_relobj::find_functions): New function.
9019         * target-reloc.h: Include "object.h".
9020         (relocate_section): Add reloc_symbol_changes parameter.  Change
9021         all callers.
9022         * target.h (class Target): Add calls_non_split method.  Declare
9023         do_calls_non_split virtual method.  Declare match_view and
9024         set_view_to_nop.
9025         * target.cc: Include "elfcpp.h".
9026         (Target::do_calls_non_split): New function.
9027         (Target::match_view): New function.
9028         (Target::set_view_to_nop): New function.
9029         * gold.cc (queue_middle_tasks): Give an error if mixing
9030         split-stack and non-split-stack objects with -r.
9031         * i386.cc (Target_i386::relocate_section): Add
9032         reloc_symbol_changes parameter.
9033         (Target_i386::do_calls_non_split): New function.
9034         * x86_64.cc (Target_x86_64::relocate_section): Add
9035         reloc_symbol_changes parameter.
9036         (Target_x86_64::do_calls_non_split): New function.
9037         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9038         parameter.
9039         * powerpc.cc (Target_powerpc::relocate_section): Add
9040         reloc_symbol_changes parameter.
9041         * sparc.cc (Target_sparc::relocate_section): Add
9042         reloc_symbol_changes parameter.
9043         * configure.ac: Call AM_CONDITIONAL for the default target.
9044         * configure: Rebuild.
9045         * testsuite/Makefile.am (TEST_AS): New variable.
9046         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9047         (check_DATA): Add split_i386 and split_x86_64 files.
9048         (SPLIT_DEFSYMS): Define.
9049         (split_i386_[1234n].o): New targets.
9050         (split_i386_[124]): New targets.
9051         (split_i386_[1234r].stdout): New targets.
9052         (split_x86_64_[1234n].o): New targets.
9053         (split_x86_64_[124]): New targets.
9054         (split_x86_64_[1234r].stdout): New targets.
9055         (MOSTLYCLEANFILES): Add new executables.
9056         * testsuite/split_i386.sh: New file.
9057         * testsuite/split_x86_64.sh: New file.
9058         * testsuite/split_i386_1.s: New file.
9059         * testsuite/split_i386_2.s: New file.
9060         * testsuite/split_i386_3.s: New file.
9061         * testsuite/split_i386_4.s: New file.
9062         * testsuite/split_i386_n.s: New file.
9063         * testsuite/split_x86_64_1.s: New file.
9064         * testsuite/split_x86_64_2.s: New file.
9065         * testsuite/split_x86_64_3.s: New file.
9066         * testsuite/split_x86_64_4.s: New file.
9067         * testsuite/split_x86_64_n.s: New file.
9068         * testsuite/testfile.cc (Target_test): Update relocation_section
9069         function.
9070         * testsuite/Makefile.in: Rebuild.
9071
9072 2009-10-06  Ian Lance Taylor  <iant@google.com>
9073
9074         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9075         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9076         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9077         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9078         the address on ldo_addrs_.
9079         (Target_i386::Relocate::fix_up_ldo): New function.
9080
9081 2009-10-06   Rafael Espindola  <espindola@google.com>
9082
9083         * plugin.cc (add_input_library): New.
9084         (Plugin::load): Add add_input_library to tv.
9085         (Plugin_manager::add_input_file): Add the is_lib argument.
9086         (add_input_file): Update call to Plugin_manager::add_input_file.
9087         (add_input_library): New.
9088         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9089
9090 2009-09-30  Doug Kwan  <dougkwan@google.com>
9091
9092         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9093         symbol and call Symbol::may_need_copy_reloc to determine if
9094         a copy reloc is needed.
9095         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9096         nocopyreloc is given in command line.
9097         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9098         given in command line.
9099         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9100         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9101         of the removed Target_i386::may_need_copy_reloc.
9102         * options.h (copyreloc): New option with default value false.
9103         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9104         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9105         instead of the removed Target_powerpc::may_need_copy_reloc.
9106         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9107         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9108         instead of the removed Target_sparc::may_need_copy_reloc.
9109         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9110         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9111         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9112         instead of the removed Target_x86_64::may_need_copy_reloc.
9113
9114 2009-09-30  Ian Lance Taylor  <iant@google.com>
9115
9116         * object.h (class Object): Remove target_ field, and target,
9117         sized_target, and set_target methods.
9118         (Object::sized_target): Remove.
9119         (class Sized_relobj): Update declarations.  Remove sized_target.
9120         * object.cc (Sized_relobj::setup): Remove target parameter.
9121         Change all callers.
9122         (Input_objects::add_object): Don't do anything with the target.
9123         (make_elf_sized_object): Add punconfigured parameter.  Change all
9124         callers.  Set or test parameter target.
9125         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9126         Change all callers.
9127         * parameters.cc (Parameters::set_target): Change parameter type to
9128         be non-const.
9129         (Parameters::default_target): Remove.
9130         (set_parameters_target): Change parameter type to be non-const.
9131         (parameters_force_valid_target): New function.
9132         (parameters_clear_target): New function.
9133         * parameters.h (class Parameters): Update declarations.  Remove
9134         default_target method.  Add sized_target and clear_target
9135         methods.  Change target_ to be non-const.
9136         (set_parameters_target): Update declaration.
9137         (parameters_force_valid_target): Declare.
9138         (parameters_clear_target): Declare.
9139         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9140         as NULL if we aren't searching.
9141         (Add_symbols::run): Don't check for compatible target.
9142         * fileread.cc (Input_file::open_binary): Call
9143         parameters_force_valid_target.
9144         * gold.cc (queue_middle_tasks): Likewise.
9145         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9146         set_target on object.
9147         * dynobj.h (class Sized_dynobj): Update declarations.
9148         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9149         make_elf_object returns NULL.
9150         (Archive::include_member): Don't check whether object target is
9151         compatible.
9152         * output.cc (Output_section::add_input_section): Get target from
9153         parameters.
9154         (Output_section::relax_input_section): Likewise.
9155         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9156         parameters.
9157         (Sized_relobj::do_scan_relocs): Likewise.
9158         (Sized_relobj::relocate_sections): Likewise.
9159         * resolve.cc (Symbol_table::resolve): Likewise.
9160         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9161         parameter.  Change all callers.
9162         (Symbol_table::add_from_object): Get target from parameters.
9163         (Symbol_table::add_from_relobj): Don't check object target.
9164         (Symbol_table::add_from_dynobj): Likewise.
9165         (Symbol_table::define_special_symbol): Get target from
9166         parameters.
9167         * symtab.h (class Symbol_table): Update declaration.
9168         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9169         parameter.  Change all callers.  Clear parameter target.
9170         (Binary_test): Test target here.
9171         * testsuite/object_unittest.cc (gold_testsuite): Remove
9172         target_test_pointer parameter.  Change all callers.
9173         (Object_test): Test target here.
9174
9175 2009-09-26  Ian Lance Taylor  <iant@google.com>
9176
9177         * testsuite/initpri1.c: Don't try to use constructor priorities if
9178         compiling with gcc before 4.3.
9179
9180 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9181
9182         * testsuite/retain_symbols_file_test.sh (check_present): Change
9183         output file name to retain_symbols_file_test.stdout.
9184         (check_absent): Likewise.
9185
9186 2009-09-18  Craig Silverstein  <csilvers@google.com>
9187
9188         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9189         * options.cc: Include <cerrno> and <fstream>.
9190         (General_options::finalize): Parse -retain-symbols-file tag.
9191         * options.h: New flag.
9192         (General_options): New method should_retain_symbol, new
9193         variable symbols_to_retain.
9194         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9195         should_retain_symbol map.
9196         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9197         * testsuite/Makefile.in: Regenerate.
9198         * testsuite/retain_symbols_file_test.sh: New file.
9199
9200 2009-09-18  Nick Clifton  <nickc@redhat.com>
9201
9202         * po/es.po: Updated Spanish translation.
9203
9204 2009-09-17  Doug Kwan  <dougkwan@google.com>
9205
9206         * debug.h (DEBUG_RELAXATION): New constant.
9207         (DEBUG_ALL): Add DEBUG_RELAXATION.
9208         (debug_string_to_enum): Add relaxation debug option.
9209         * layout.cc
9210         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9211         Layout::Relaxation_debug_check::read_sections,
9212         Layout::Relaxation_debug_check::read_sections): New method definitions.
9213         (Layout::Layout): Initialize data members
9214         record_output_section_data_from_scrips_,
9215         script_output_section_data_list_ and relaxation_debug_check_.
9216         (Layout::save_segments, Layout::restore_segments,
9217         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9218         Layout::relaxation_loop_body): New method definitions.
9219         (Layout::finalize): Support relaxation.  Move section layout code to
9220         Layout::relaxation_loop_body.
9221         (Layout::set_asection_address_from_script): Move code for orphan
9222         section placement out.
9223         (Layout::place_orphan_sections_in_script): New method definition.
9224         * layout.h (Output_segment_headers, Output_file_header):
9225         New forward class declarations.
9226         (Layout::~Layout): Define.
9227         (Layout::new_output_section_data_from_script): New method definition.
9228         (Layout::place_orphan_sections_in_script): New method declaration.
9229         (Layout::Segment_states): New type declaration.
9230         (Layout::save_segments, Layout::restore_segments,
9231         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9232         Layout::relaxation_loop_body): New method declarations.
9233         (Layout::Output_section_data_list): New type declaration.
9234         (Layout::Relaxation_debug_check): New class definition.
9235         (Layout::record_output_section_data_from_script_,
9236         Layout::script_output_section_data_list_, Layout::segment_states_,
9237         Layout::relaxation_debug_check_): New data members.
9238         * output.cc: (Output_section_headers::do_size): New method definition.
9239         (Output_section_headers::Output_section_headers): Move size
9240         computation to Output_section_headers::do_size.
9241         (Output_segment_headers::do_size): New method definition.
9242         (Output_file_header::Output_file_header): Move size computation to
9243         Output_file_header::do_size and call it.
9244         (Output_file_header::do_size): New method definition.
9245         (Output_data_group::Output_data_group): Adjust call to
9246         Output_section_data.
9247         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9248         (Output_symtab_xindex::do_write): Add array bound check.
9249         (Output_section::Input_section::print_to_mapfile): Handle
9250         RELAXED_INPUT_SECTION_CODE.
9251         (Output_section::Output_section): Initialize data member checkpoint_.
9252         (Output_section::~Output_section): Delete checkpoint object pointed
9253         by checkpoint_.
9254         (Output_section::add_input_section): Always add an Input_section if
9255         relaxing.
9256         (Output_section::add_merge_input_section): Add assert.
9257         (Output_section::relax_input_section): New method definition.
9258         (Output_section::set_final_data_size): Set load address to zero for
9259         an unallocated section.
9260         (Output_section::do_address_and_file_offset_have_reset_values):
9261         New method definition.
9262         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9263         Handle relaxed input section.
9264         (Output_section::sort_attached_input_sections): Checkpoint input
9265         section list lazily.
9266         (Output_section::get_input_sections): Change type of input_sections to
9267         list of Simple_input_section pointers.  Checkpoint input section list
9268         lazily.  Also handle relaxed input sections.
9269         (Output_section::add_input_section_for_script): Take a reference to
9270         a Simple_input_section object instead of Relobj pointer and section
9271         index as parameter.  Handle relaxed input sections.
9272         (Output_section::save_states, Output_section::restore_states): New
9273         method definitions.
9274         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9275         (Output_data::is_data_size_fixed): New method definition.
9276         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9277         if it is fixed.
9278         (Output_data::address_and_file_offset_have_reset_values): New method
9279         definition.
9280         (Output_data::do_address_and_file_offset_have_reset_values): New method
9281         definition.
9282         (Output_data::set_data_size): Check that data size is not fixed.
9283         (Output_data::fix_data_size): New method definition.
9284         (Output_data::is_data_size_fixed_): New data member.
9285         (Output_section_headers::set_final_data_size): New method definition.
9286         (Output_section_headers::do_size): New method declaration.
9287         (Output_segment_headers::set_final_data_size): New method definition.
9288         (Output_segment_headers::do_size): New method declaration.
9289         (Output_file_header::set_final_data_size)::New method definition.
9290         (Output_file_header::do_size)::New method declaration.
9291         (Output_section_data::Output_section_data): Add new parameter
9292         is_data_size_fixed and use it to fix data size.
9293         (Output_data_const::Output_data_const): Adjust call to base class
9294         constructor and fix data size.
9295         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9296         base class constructor and fix data size.
9297         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9298         base class constructor and fix data size.
9299         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9300         class constructor and fix data size.
9301         (Output_data_group::set_final_data_size): New method definition.
9302         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9303         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9304         class constructor and fix data size.
9305         (Output_relaxed_input_section): New class definition.
9306         (Output_section::Simple_input_section): New class definition.
9307         (Output_section::get_input_sections): Adjust parameter list.
9308         (Output_section::add_input_section_for_script): Same.
9309         (Output_section::save_states, Output_section::restore_states,
9310         Output_section::do_address_and_file_offset_have_reset_values,
9311         (Output_section::Input_section::Input_section): Handle
9312         RELAXED_INPUT_SECTION_CODE.  Add new overload for
9313         Output_relaxed_input_section.
9314         (Output_section::Input_section::is_input_section,
9315         Output_section::Input_section::set_output_section): Handle relaxed
9316         input section.
9317         (Output_section::Input_section::is_relaxed_input_section,
9318         Output_section::Input_section::output_section_data,
9319         Output_section::Input_section::relaxed_input_section): New method
9320         definitions.
9321         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
9322         value.
9323         (Output_section::Input_section::u1_): Update comments.
9324         (Output_section::Input_section::u2_): Add new union member poris.
9325         (Output_section::Checkpoint_output_section): New classs definition.
9326         (Output_section::relax_input_section): New method declaration.
9327         (Output_section::checkpoint_): New data member.
9328         (Output_segment): Update comments.
9329         (Output_segment::Output_segment): Un-privatize copy constructor.
9330         (Output_segment::operator=): Un-privatize.
9331         * script-sections.cc (Output_section_element::Input_section_list):
9332         Change element type to Output_section::Simple_input_section.
9333         (Output_section_element_dot_assignment::set_section_addresses):
9334         Register output section data for relaxation clean up.
9335         (Output_data_exression::Output_data_expression): Adjust call to base
9336         constructor to fix data size.
9337         (Output_section_element_data::set_section_addresses): Register
9338         Output_data_expression object for relaxation clean up.
9339         (struct Input_section_info): Replace Relobj pointer and section index
9340         pair with Output_section::Simple_input_section and Convert struct to a
9341         class.
9342         (Input_section_sorter::operator()): Adjust access to
9343         Input_section_info data member to use accessors.
9344         (Output_section_element_input::set_section_addresses): Use layout
9345         parameter.  Adjust code to use Output_section::Simple_input_section
9346         and Input_secction_info classes.  Register filler for relaxation
9347         clean up.
9348         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9349         and section index pair with Output_section::Simple_input_section
9350         class.  Adjust code accordingly.
9351         (Phdrs_element::release_segment): New method definition.
9352         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9353         segment list.
9354         (Script_sections::release_segments): New method definition.
9355         * gold/script-sections.h (Script_sections::release_segments): New
9356         method declaration.
9357         * gold/target.h (Target::may_relax, Target::relax,
9358         Target::do_may_relax, Target::do_relax): New method definitions.
9359
9360 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9361
9362         * arm.cc (has_signed_unsigned_overflow): New function.
9363         (Arm_relocate_functions::abs8): New function.
9364         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9365         (Target_arm::Scan::global): Likewise.
9366         (Target_arm::relocate::relocate): Likewise.
9367         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9368         Likewise.
9369
9370 2009-09-16  Cary Coutant  <ccoutant@google.com>
9371
9372         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
9373         * testsuite/Makefile.in: Regenerate.
9374
9375 2009-09-11  Nick Clifton  <nickc@redhat.com>
9376
9377         * po/gold.pot: Updated by the Translation project.
9378
9379 2009-09-08  Cary Coutant  <ccoutant@google.com>
9380
9381         * output.cc (Output_file::open): Add execute permission to empty file.
9382         * testsuite/Makefile.am (permission_test): New test.
9383         * testsuite/Makefile.in: Regenerate.
9384
9385 2009-09-02  Ian Lance Taylor  <iant@google.com>
9386
9387         * output.cc (Output_file::resize): Call map_no_anonymous rather
9388         than map.
9389
9390 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
9391
9392         * gold.cc: Include "incremental.h".
9393         (queue_initial_tasks): Call Incremental_checker methods.
9394         * incremental.cc: Include "output.h".
9395         (Incremental_checker::can_incrementally_link_output_file): New
9396         method.
9397         * incremental.h (Incremental_checker): New class.
9398
9399         * output.cc (Output_file::open_for_modification): New method.
9400         (Output_file::map_anonymous): Changed return type to bool.  Record
9401         map in base_ field.
9402         (Output_file::map_no_anonymous): New method, broken out of map.
9403         (Output_file::map): Use map_no_anonymous and map_anonymous.
9404         * output.h (class Output_file): Update declarations.
9405
9406 2009-08-24  Cary Coutant  <ccoutant@google.com>
9407
9408         * options.h (Command_line::Pre_options): New class.
9409         (Command_line::pre_options): New member.
9410         * options.cc (gold::options::ready_to_register): New variable.
9411         (One_option::register_option): Do nothing if not registering options.
9412         Assert if same short option registered twice.
9413         (General_options::General_options): Turn off option registration when
9414         done constructing.
9415         (Command_line::Pre_options::Pre_options): New constructor.
9416
9417 2009-08-24  Cary Coutant  <ccoutant@google.com>
9418
9419         * options.h (General_options::no_keep_memory): Remove incorrect
9420         short option.
9421
9422 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9423
9424         * Makefile.am (am__skiplex, am__skipyacc): New.
9425         * Makefile.in: Regenerate.
9426
9427 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9428
9429         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9430         (INCLUDES): ... this.
9431         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9432         (AM_CPPFLAGS): Renamed from ...
9433         (INCLUDE): ... this.
9434         * Makefile.in, testsuite/Makefile.in: Regenerate.
9435
9436         * Makefile.in: Regenerate.
9437         * aclocal.m4: Likewise.
9438         * config.in: Likewise.
9439         * configure: Likewise.
9440         * testsuite/Makefile.in: Likewise.
9441
9442         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9443         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9444         * Makefile.in: Regenerate.
9445         * testsuite/Makefile.in: Regenerate.
9446
9447 2009-08-19  Cary Coutant  <ccoutant@google.com>
9448
9449         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9450         symbols in shared libraries overridden by hidden or internal symbols
9451         in the main program.
9452
9453 2009-08-19  Chris Demetriou  <cgd@google.com>
9454
9455         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9456         checking source file names in error messages.
9457
9458 2009-08-18  Doug Kwan  <dougkwan@google.com>
9459
9460         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9461         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9462         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9463         an elfcpp::Ehdr as parameter.
9464         * object.cc (Object::set_target): Remove the version that looks up
9465         a target and sets it.
9466         (Sized_relobj::setup): Take a Target object instead of
9467         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9468         (make_elf_sized_object): Find target and ask target to
9469         make an ELF object.
9470         * object.h: (Object::set_target): Remove the version that looks up
9471         a target and sets it.
9472         (Sized_relobj::setup): Take a Target object instead of
9473         an elfcpp:Ehdr as parameter.
9474         * target.cc: Include dynobj.h.
9475         (Target::do_make_elf_object_implementation): New.
9476         (Target::do_make_elf_object): New.
9477         * target.h (Target::make_elf_object): New template declaration.
9478         (Target::do_make_elf_object): New method declarations.
9479         (Target::do_make_elf_object_implementation): New template declaration.
9480
9481 2009-08-14  Ian Lance Taylor  <iant@google.com>
9482
9483         * gold.h (FUNCTION_NAME): Define.
9484         (gold_unreachable): Use FUNCTION_NAME.
9485
9486 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9487
9488         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9489         symbol in the --keep-unique list is not found.
9490
9491 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9492
9493         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9494         been maked as --keep-unique.
9495         (Icf::unfold_section): New function.
9496         * icf.h (Icf::unfold_section): New function.
9497         * options.h (General_options::keep_unique): New option.
9498         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9499         * testsuite/Makefile.in: Regenerate.
9500         * testsuite/icf_keep_unique_test.sh: New file.
9501         * testsuite/icf_keep_unique_test.cc: New file.
9502
9503 2009-08-12  Cary Coutant  <ccoutant@google.com>
9504
9505         PR 10471
9506         * resolve.cc (Symbol_table::resolve): Check for references from
9507         dynamic objects to hidden and internal symbols.
9508         * testsuite/Makefile.am (hidden_test.sh): New test.
9509         * testsuite/Makefile.in: Regenerate.
9510         * testsuite/hidden_test.sh: New script.
9511         * testsuite/hidden_test_1.c: New test source.
9512         * testsuite/hidden_test_main.c: New test source.
9513
9514 2009-08-11  Doug Kwan  <dougkwan@google.com>
9515
9516         * arm.cc: Update comments.
9517         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9518         segment to locate the .ARM.exidx section if present.
9519
9520 2009-08-09  Doug Kwan  <dougkwan@google.com>
9521
9522         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9523         patch.
9524
9525 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9526         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9527         compiler warnings.
9528
9529 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9530
9531         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9532         valid tls_segment only for non-debug-section relocations.
9533         * testsuite/Makefile.am: Add gc_tls_test.
9534         * testsuite/Makefile.in: Regenerate.
9535         * testsuite/gc_tls_test.cc: New file.
9536         * testsuite/gc_tls_test.sh: New file.
9537
9538 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9539
9540         * icf.cc: New file.
9541         * icf.h: New file.
9542         * Makefile.am (CCFILES): Add icf.cc.
9543         (HFILES): Add icf.h
9544         * Makefile.in: Regenerate.
9545         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9546         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9547         section, symbol and addend information for the relocs.
9548         * gold.cc (queue_middle_tasks): Call identical code folding.
9549         * gold.h: Add defines for multimap.
9550         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9551         to the call of finalize_local_symbols.
9552         * main.cc (main): Create object of class Icf.
9553         * object.cc (Sized_relobj::do_layout): Allow this function to be
9554         called twice during icf.
9555         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9556         to sections marked as identical by icf.
9557         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9558         when available.
9559         (Sized_relobj::do_section_entsize): New function.
9560         * object.h (Object::section_entsize): New function.
9561         (Object::do_section_entsize): New pure virtual function.
9562         (Relobj::finalize_local_symbols): Add new parameter.
9563         (Relobj::do_section_entsize): New function.
9564         * options.h (General_options::icf): New option.
9565         (General_options::icf_iterations): New option.
9566         (General_options::print_icf_sections): New option.
9567         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9568         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9569         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9570         icf.
9571         * symtab.cc (Symbol_table::is_section_folded): New function.
9572         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9573         to sections marked as identical by icf.
9574         * symtab.h (Symbol_table::set_icf): New function.
9575         (Symbol_table::icf): New function.
9576         (Symbol_table::is_section_folded): New function.
9577         (Symbol_table::icf_): New data member.
9578         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9579         * testsuite/Makefile.am: Add commands to build icf_test.
9580         * testsuite/Makefile.in: Regenerate.
9581         * testsuite/icf_test.sh: New file.
9582         * testsuite/icf_test.cc: New file.
9583
9584 2009-07-24  Chris Demetriou  <cgd@google.com>
9585
9586         * layout.cc (is_compressible_debug_section): Fix incorrect
9587         comment about compressed section names.
9588
9589 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9590
9591         PR 10419
9592         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9593
9594 2009-07-16  Ian Lance Taylor  <iant@google.com>
9595
9596         PR 10400
9597         * layout.h: #include <map>.
9598         (class Kept_section): Change from struct to class.  Add accessors
9599         and setters.  Add section size to Comdat_group mapping.  Change
9600         Comdat_group to std::map.  Add is_comdat_ field.  Add
9601         linkonce_size field in union.
9602         (class Layout): Update declaration of find_or_add_kept_section.
9603         Don't declare find_kept_object.
9604         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9605         parameter.  Add object, shndx, is_comdat, and is_group_name
9606         parameters.  Change all callers.  Adjust for new Kept_section.
9607         (Layout::find_kept_object): Remove.
9608         * object.cc (Sized_relobj::include_section_group): Update use of
9609         Kept_section.  Rename secnum to shndx.  Only record
9610         Kept_comdat_section if sections are the same size.
9611         (Sized_relobj::include_linkonce_section): Update use of
9612         Kept_section.  Only record Kept_comdat_section if sections are the
9613         same size.  Set size of linkonce section.
9614         (Sized_relobj::map_to_kept_section): Update call to
9615         get_kept_comdat_section.
9616         * object.h (class Sized_relobj): Rename fields in
9617         Kept_comdat_section to drop trailing underscores; change object
9618         field to Relobj*.  Change Kept_comdat_section_table to store
9619         struct rather than pointer.
9620         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9621         Add kept_object and kept_shndx parameters.  Change all callers.
9622         (Sized_relobj::get_kept_comdat_section): Change return type to
9623         bool.  Add kept_object and kept_shndx parameters.  Change all
9624         callers.
9625         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9626         Layout::find_or_add_kept_section.
9627
9628 2009-07-09  Ian Lance Taylor  <iant@google.com>
9629
9630         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9631         Reserve space in the hash table.
9632
9633 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9634
9635         * fileread.cc (File_read::get_mtime): New method.
9636         * fileread.h (Timespec): New structure.
9637         (File_read::get_mtime): New method.
9638         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9639         Renamed from timestamp_nsec.
9640         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9641         Elf_Xword.
9642         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9643         timestamp_nsec.
9644         (Incremental_inputs::report_archive): Save mtime; style fix.
9645         (Incremental_inputs::report_obejct): Save mtime; style fix.
9646         (Incremental_inputs::report_script): Save mtime; style fix.
9647         (Incremental_inputs::finalize_inputs): Style fix.
9648         (Incremental_inputs::finalize): Style fix.
9649         (Incremental_inputs::create_input_section_data): Store inputs
9650         mtime.
9651         * incremental.h (Incremental_inputs::report_script): Add mtime
9652         argument.
9653         (Incremental_inputs::Input_info::Input_info): Intialize only one
9654         union member.
9655         (Incremental_inputs::Input_info::archive): Move to nameless
9656         union.
9657         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9658         (Incremental_inputs::Input_info::script): Move to nameless union.
9659         (Incremental_inputs::mtime): New field.
9660         * script.cc (read_input_script): Pass file mtime to
9661         Incremental_input.
9662         * script.h (Script_info::inputs): Style fix.
9663
9664 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9665
9666         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9667         instead of 32.
9668
9669 2009-06-24  Ian Lance Taylor  <iant@google.com>
9670
9671         PR 10156
9672         * layout.cc (Layout::choose_output_section): If we find an
9673         existing section, update the flags.
9674         (Layout::create_notes): New function, broken out of
9675         Layout::finalize.
9676         (Layout::finalize): Don't create note sections.
9677         (Layout::create_note): Don't crash if linker script discards
9678         section.
9679         (Layout::create_gold_note): Likewise.
9680         (Layout::create_build_id): Likewise.  Don't set
9681         after_input_sections on the section.
9682         (Layout::create_executable_stack_info): Remove target parameter.
9683         Change caller.
9684         * layout.h (class Layout): Declare create_notes.  Update
9685         declaration of create_executable_stack_info.
9686         * gold.cc (queue_middle_tasks): Call create_notes.
9687         * output.cc (Output_section::update_flags_for_input_section): Move
9688         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9689         invalid.
9690         * output.h (Output_data::mark_address_invalid): New function.
9691         (class Output_section): Only declare, not define,
9692         update_flags_for_input_section.  Remove set_flags.
9693
9694 2009-06-24  Ian Lance Taylor  <iant@google.com>
9695
9696         * script-sections.cc (Output_section_definition::
9697         set_section_addresses): Rename shadowing local load_address to
9698         laddr.
9699
9700 2009-06-24  Ian Lance Taylor  <iant@google.com>
9701
9702         PR 10244
9703         * reloc.cc (relocate_sections): Skip empty relocation sections.
9704
9705 2009-06-23  Ian Lance Taylor  <iant@google.com>
9706
9707         PR 10156
9708         * layout.cc (Layout::create_note): Use choose_output_section
9709         rather than make_output_section.
9710
9711 2009-06-23  Ian Lance Taylor  <iant@google.com>
9712
9713         PR 10237
9714         * options.cc (General_options::parse_V): Set printed_version_.
9715         (General_options::General_options): Initialize printed_version_.
9716         * options.h (class General_options): Add printed_version_ field.
9717         * gold.cc (queue_initial_tasks): If there are no input files,
9718         don't give a fatal error if we printed the version information.
9719         (queue_middle_tasks): If using -r with a shared object, give a
9720         fatal error rather than an ordinary error.
9721
9722 2009-06-23  Ian Lance Taylor  <iant@google.com>
9723
9724         PR 10219
9725         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9726         (Layout::make_output_section): Set have_stabstr_section_ if we see
9727         a .stab*str section.
9728         (Layout::finalize): Call link_stabs_sections.
9729         (Layout::link_stabs_sections): New file.
9730         * layout.h (class Layout): Add have_stabstr_section_ field.
9731         Declare link_stabs_sections.
9732
9733 2009-06-23  Doug Kwan  <dougkwan@google.com>
9734
9735         * Makefile.am (libgold_a_LIBADD): New.
9736         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9737         * Makefile.in: Regenerate.
9738         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9739         * configure: Regenerate.
9740         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9741         * fileread.cc: Include sys/state.h
9742         * gold.h: Declare memmem and strndup if found missing.
9743         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9744
9745 2009-06-23  Ian Lance Taylor  <iant@google.com>
9746
9747         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9748         * configure: Rebuild.
9749
9750 2009-06-23  Ian Lance Taylor  <iant@google.com>
9751
9752         PR 10147
9753         * object.cc (Object::section_contents): Don't try to get a view if
9754         the section has length zero.
9755         (Object::handle_gnu_warning_section): If the section is empty, use
9756         the name of the section as the warning.
9757
9758 2009-06-23  Ian Lance Taylor  <iant@google.com>
9759
9760         PR 10133
9761         * stringpool.h (class Stringpool_template): Add optimize_ field.
9762         (Stringpool_template::set_optimize): New function.
9763         * stringpool.cc (Stringpool_template::Stringpool_template):
9764         Initialize optimize_ field.
9765         (Stringpool_template::set_string_offsets): Test local optimize
9766         fild rather than parameter.
9767         * layout.cc (Layout::Layout): Call set_optimize on the section
9768         name stringpool.
9769
9770 2009-06-22  Ian Lance Taylor  <iant@google.com>
9771
9772         PR 10030
9773         * yyscript.y: Parse TARGET.
9774         * script.cc (script_set_target): New function.
9775         * script-c.h (script_set_target): Declare.
9776         * options.cc (General_options::string_to_object_format): Rename
9777         from string_to_object_format in anonymous namespace.  Change
9778         callers.
9779         * options.h (class General_options): Declare
9780         string_to_object_format.
9781
9782 2009-06-22  Ian Lance Taylor  <iant@google.com>
9783
9784         * script-sections.cc (Script_sections::create_segments): Don't put
9785         program headers in a PT_LOAD segment if -n or -N.
9786
9787 2009-06-22  Ian Lance Taylor  <iant@google.com>
9788
9789         PR 10141
9790         * options.h (class General_options): Add -z lazy and -z now.  Sort
9791         -z options into alphabetical order.
9792         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9793
9794 2009-06-21  Ian Lance Taylor  <iant@google.com>
9795
9796         * layout.cc (Layout::make_output_section): Call
9797         Target::new_output_section.
9798         (Layout::attach_allocated_section_to_segment): Put large section
9799         sections in a separate load segment with the large segment flag
9800         set.
9801         (Layout::segment_precedes): Sort large data segments after other
9802         load segments.
9803         (align_file_offset): New static function.
9804         (Layout::set_segment_offsets): Use align_file_offset.
9805         * output.h (class Output_section): Add is_small_section_ and
9806         is_large_section_ fields.
9807         (Output_section::is_small_section): New function.
9808         (Output_section::set_is_small_section):  New function.
9809         (Output_section::is_large_section): New function.
9810         (Output_section::set_is_large_section): New function.
9811         (Output_section::is_large_data_section): New function.
9812         (class Output_segment): Add is_large_data_segment_ field.
9813         (Output_segment::is_large_data_segment): New function.
9814         (Output_segment::set_is_large_data_segment): New function.
9815         * output.cc (Output_section::Output_section): Initialize new
9816         fields.
9817         (Output_segment::Output_segment): Likewise.
9818         (Output_segment::add_output_section): Add assertion that large
9819         data sections always go in large data segments.  Force small data
9820         sections to the end of the list of data sections.  Force small BSS
9821         sections to the start of the list of BSS sections.  For large BSS
9822         sections to the end of the list of BSS sections.
9823         * symtab.h (class Symbol): Declare is_common_shndx.
9824         (Symbol::is_defined): Check Symbol::is_common_shndx.
9825         (Symbol::is_common): Likewise.
9826         (class Symbol_table): Define enum Commons_section_type.  Update
9827         declarations.  Add small_commons_ and large_commons_ fields.
9828         * symtab.cc (Symbol::is_common_shndx): New function.
9829         (Symbol_table::Symbol_table): Initialize new fields.
9830         (Symbol_table::add_from_object): Put small and large common
9831         symbols in the right list.
9832         (Symbol_table::sized_finalized_symbol): Check
9833         Symbol::is_common_shndx.
9834         (Symbol_table::sized_write_globals): Likewise.
9835         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9836         common symbol lists.  Don't call do_allocate_commons_list if the
9837         list is empty.
9838         (Symbol_table::do_allocate_commons_list): Remove is_tls
9839         parameter.  Add comons_section_type parameter.  Change all
9840         callers.  Handle small and large common symbols.
9841         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9842         Symbol::is_common_shndx.
9843         * resolve.cc (symbol_to_bits): Likewise.
9844         * target.h (Target::small_common_shndx): New function.
9845         (Target::small_common_section_flags): New function.
9846         (Target::large_common_shndx): New function.
9847         (Target::large_common_section_flags): New function.
9848         (Target::new_output_section): New function.
9849         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9850         small_common_section_flags, and large_common_section_flags
9851         fields.
9852         (Target::do_new_output_section): New virtual function.
9853         * arm.cc (Target_arm::arm_info): Initialize new fields.
9854         * i386.cc (Target_i386::i386_info): Likewise.
9855         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9856         Likewise.
9857         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9858         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9859         (Target_x86_64::do_new_output_section): New function.
9860         * configure.ac: Define conditional MCMODEL_MEDIUM.
9861         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9862         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9863         (large_LDFLAGS): Define.
9864         * testsuite/large.c: New file.
9865         * testsuite/testfile.cc (Target_test::test_target_info):
9866         Initialize new fields.
9867         * configure, testsuite/Makefile.in: Rebuild.
9868
9869 2009-06-05  Doug Kwan  <dougkwan@google.com>
9870
9871         * Makefile.am (CCFILES): Add target.cc.
9872         * Makefile.in: Regenerate.
9873         * i386.cc (class Target_i386): Define new virtual method to
9874         override do_is_local_label_name in parent.
9875         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9876         local symbols if --discard-locals or -X is given.
9877         * options.h (class General_options): Declare new options
9878         '--discard-locals' and '-X' for discarding locals.
9879         * target.h (class Target): Define new methods is_local_label_name.
9880         Declare new virtual method do_is_local_label_name.
9881         * target.cc: New file.
9882         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9883         (check_SCRIPTS): Add discard_locals_test.sh.
9884         (check_DATA): Add discard_local_tests.syms.
9885         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9886         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9887         * testsuite/Makefile.in: Regenerate.
9888         * testsuite/discard_locals_test.c: New file.
9889         * testsuite/discard_locals_test.sh: Same.
9890
9891 2009-06-05  Doug Kwan  <dougkwan@google.com>
9892
9893         * object.cc (Sized_relobj::Sized_relobj): Initialize
9894         discarded_eh_frame_shndx_ to -1U.
9895         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9896         section.
9897         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9898         a discarded .eh_frame section.
9899         (Sized_relobj::do_finalize_local_symbols): Ditto.
9900         * object.h (class Sized_relobj): Declare new member
9901         discarded_eh_frame_shndx_.
9902         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9903         (local_labels_test.o, local_labels_test): New rules.
9904         * testsuite/Makefile.in: Regenerate.
9905
9906 2009-06-04  Doug Kwan  <dougkwan@google.com>
9907
9908         * layout.cc (Layout::section_name_mapping): Add mapping for
9909         special ARM sections.
9910
9911 2009-06-03  Doug Kwan  <dougkwan@google.com>
9912
9913         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9914         (utils::has_overflow): Same.
9915
9916 2009-06-03  Ian Lance Taylor  <iant@google.com>
9917
9918         * layout.cc (Layout::section_name_mapping): New array, replacing
9919         Layout::linkonce_mapping.
9920         (Layout::section_name_mapping_count): New variable, replacing
9921         Layout::linkonce_mapping_count.
9922         (Layout::linkonce_output_name): Remove.
9923         (Layout::output_section_name): Rewrite.
9924         * layout.h (class Layout): Rename Linkonce_mapping to
9925         Section_name_mapping, linkonce_mapping to section_name_mapping,
9926         linkonce_mapping_count to section_name_mapping_count.  Don't
9927         declare linkonce_output_name.
9928
9929 2009-06-03  Doug Kwan  <dougkwan@google.com>
9930
9931         * gold/arm.cc (namespace utils): New.
9932         (Target_arm::reloc_is_non_pic): Define new method.
9933         (class Arm_relocate_functions): New.
9934         (Target_arm::Relocate::relocate): Handle relocation types used by
9935         Android.
9936
9937 2009-06-03  Ian Lance Taylor  <iant@google.com>
9938
9939         * arm.cc (Target_arm::scan::global): Use || instead of |.
9940
9941 2009-06-02  Doug Kwan  <dougkwan@google.com>
9942
9943         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9944         issued_non_pic_error_.
9945         (class Target_arm::Scan): Declare new method check_non_pic.
9946         Define new method symbol_needs_plt_entry.
9947         Declare new data member issued_non_pic_error_.
9948         (class Target_arm::Relocate): Declare new method
9949         should_apply_static_reloc.
9950         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9951         (Target_arm::Scan::check_non_pic): Define new method.
9952         (Target_arm::Scan::local): Handle a small subset of reloc types used
9953         by Android.
9954         (Target_arm::Scan::local): Same.
9955         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9956
9957 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9958
9959         * incremental.cc (Incremental_inputs::report_command_line): Filter
9960         out --incremental-* options.
9961
9962 2009-05-29  Doug Kwan  <dougkwan@google.com>
9963
9964         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9965         template class.
9966         (class Target_arm): Update comment.
9967         (Target_arm::Target_arm): Initialize new data members GOT_,
9968         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9969         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9970         and Target_arm::rel_dyn_section.
9971         Declare new_enum Target_arm::Got_type.
9972         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9973         and DYNBSS_.
9974         Update commments for member do_dynsym_value.
9975         (Target_arm::got_size, Target_arm::plt_section,
9976         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9977         new methods inside class defintion.
9978         (Target_arm::got_section): Define new method.
9979         (Target_arm::rel_dyn_section): Same.
9980         (Output_data_plt_arm): New template class.
9981         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9982         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9983         (Output_data_plt_arm::add_entry): Same.
9984         (Output_data_plt_arm::first_plt_entry): Define new
9985         static data member for PLT instruction template.
9986         (Output_data_plt_arm::plt_entry): Same.
9987         (Output_data_plt_arm::do_write): Define new method.
9988         (Target_arm::make_plt_entry): Same.
9989         (Target_arm::do_finalize_sections): Same.
9990         (Target_arm::do_dynsym_value): Same.
9991
9992 2009-05-28  Doug Kwan  <dougkwan@google.com>
9993
9994         * Makefile.am (TARGETSOURCES): Add arm.cc.
9995         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9996         * Makefile.in: Regenerate.
9997         * arm.cc: New file.
9998         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9999
10000 2009-05-26  Doug Kwan  <dougkwan@google.com>
10001
10002         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10003         (General_options::check_excluded_libs): Strip off directories in
10004         archive name before matching like GNU ld does.
10005         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10006         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10007         (exclude_libs_test_LDFLAGS): Add linker option
10008         -Wl,--exclude-libs,libexclude_libs_test_3
10009         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10010         an explicit archive without using -l.
10011         (alt/libexclude_libs_test_3.a): New make rule.
10012         * testsuite/Makefile.in: Regenerate.
10013         * testsuite/exclude_libs_test.c : Declare lib3_default().
10014         (main): Call it.
10015         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10016         * exclude_libs_test_3.c: New file.
10017
10018 2009-05-26  Nick Clifton  <nickc@redhat.com>
10019
10020         * po/id.po: New Indonesian translation.
10021         * po/gold.pot: Updated template file.
10022
10023 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10024
10025         * testsuite/Makefile.am: Add -ffunction-sections to compile
10026         gc_comdat_test files.  Add -Wl,--gc-sections to build
10027         gc_comdat_test.
10028         * testsuite/Makefile.in: Regenerate.
10029         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10030
10031 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10032
10033         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10034         kept comdat section was garbage collected.
10035         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10036         * testsuite/Makefile.in: Regenerate.
10037         * testsuite/gc_comdat_test.sh: New file.
10038         * testsuite/gc_comdat_test_1.cc: New file.
10039         * testsuite/gc_comdat_test_2.cc: New file.
10040
10041 2009-05-19  Doug Kwan  <dougkwan@google.com>
10042
10043         * archive.cc (Archive::Archive): Move constructor from archive.h
10044         to here.  Initialize no_export_.
10045         (Archive::get_elf_object_for_member): Set no_export flag of object.
10046         * archive.h (Archive::Archive): Move constructor body to
10047         archive.cc.
10048         (Archive::no_export): New method.
10049         (Archive::no_export_): New field.
10050         * object.h (Object::Object): Initialize no_export_ to false.
10051         (Object::no_export, Object::set_no_export): New methods.
10052         (Object::no_export_): New field.
10053         * options.cc (General_options::parse_exclude_libs): New method.
10054         (General_options::check_excluded_libs) Same.
10055         * options.h (exclude_libs): New option.
10056         (General_options::check_excluded_libs): New method declaration.
10057         (General_options::excluded_libs_): New field.
10058         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10059         default or protected visibility if an object has no-export flag set.
10060         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10061         (check_SCRIPTS): Add exclude_libs_test.sh.
10062         (check_DATA): Add exclude_libs_test.syms.
10063         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10064         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10065         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10066         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10067         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10068         libexclude_libs_test_2.a): New rules.
10069         * testsuite/Makefile.in: Regenerate.
10070         * testsuite/exclude_libs_test.c: New file.
10071         * testsuite/exclude_libs_test.sh: Ditto.
10072         * testsuite/exclude_libs_test_1.c: Ditto.
10073         * testsuite/exclude_libs_test_2.c: Ditto.
10074
10075 2009-05-15  Ian Lance Taylor  <iant@google.com>
10076
10077         * configure.ac: Check for declarations for cases where libiberty.h
10078         checks HAVE_DECL_xxx.
10079         * configure, config.in: Rebuild.
10080
10081 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10082
10083         * gold.h (Incremental_argument_list): Remove (invalid) forward
10084         declaration.
10085         * incremental.cc (Incremental_inputs::report_achive): New method.
10086         (Incremental_inputs::report_object): New method.
10087         (Incremental_inputs::report_script): New method.
10088         (Incremental_inputs::finalize_inputs): New method.
10089         (Incremental_inputs::finalize): Call finalize_inputs().
10090         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10091         Create inputs entries.
10092         * incremental.h (Incremental_input_type): New enum.
10093         (Incremental_inputs::Incremental_input): Initialize new fields.
10094         (Incremental_inputs::report_inputs): New method.
10095         (Incremental_inputs::report_achive): New method.
10096         (Incremental_inputs::report_object): New method.
10097         (Incremental_inputs::report_script): New method.
10098         (Incremental_inputs::finalize_inputs): New method.
10099         (Incremental_inputs::Input_info): New struct.
10100         (Incremental_inputs::Input_info_map): New typedef.
10101         (Incremental_inputs::lock_): New field.
10102         (Incremental_inputs::Inputs_): New field.
10103         (Incremental_inputs::Inputs_map): New field.
10104         * main.cc (main): Call Incremental_input::report_inputs.
10105         * options.h (Input_argument_list): Typedef moved from
10106         Input_arguments.
10107         (Input_file_group::Files): Remove, use ::Input_argument_list.
10108         (Input_file_group::Input_argument_list): Remove, use
10109         ::Input_argument_list.
10110         * plugin.cc (Plugin_manager::add_input_file): Add error in
10111         incremental build.
10112         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10113         functions.
10114         * script.cc (read_input_script): Call
10115         Incremental_input::report_script.
10116         * script.h (Script_info): New class.
10117
10118 2009-04-27  Ian Lance Taylor  <iant@google.com>
10119
10120         * x86_64.cc (do_adjust_output_section): Set entsize to
10121         plt_entry_size.
10122
10123 2009-04-23  Elliott Hughes  <enh@google.com>
10124
10125         * output.cc (Output_file::close): After short writes, continue
10126         writing from the correct offset in the buffer being written.
10127
10128 2009-04-23  Chris Demetriou  <cgd@google.com>
10129
10130         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10131         * configure: Regenerate.
10132         * config.in: Regenerate.
10133         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10134         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10135
10136 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10137
10138         * incremental.cc (Incremental_inputs_header_data): Renamed from
10139         Incremental_input_header_data.
10140         (Incremental_inputs_header_data::data_size): New field.
10141         (Incremental_inputs_header_data::put_input_file_count): Renamed
10142         from input_file_count.
10143         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10144         from command_line_offset.
10145         (Incremental_inputs_header_data::put_reserved): Renamed from
10146         put_reserved.
10147         (Incremental_inputs_entry_data): Renamed from
10148         Incremental_input_entry_data.
10149         (Incremental_inputs_entry_data::data_size): New field.
10150         (Incremental_inputs::report_command_line): New method.
10151         (Incremental_inputs::finalize): New method.
10152         (Incremental_inputs::create_incremental_inputs_data): New method.
10153         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10154         * incremental.h: New file.
10155         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10156        (Layout::finalize): Create incremental inputs section in
10157         incremental builds.
10158        (Layout::create_incremental_info_sections): New method.
10159         * layout.h (Layout::incremental_inputs): New method.
10160        (Layout::create_incremental_info_sections): New method.
10161        (Layout::incremental_inputs_): New field.
10162         * main.cc (main): Notify Incremental_input of the command line.
10163
10164 2009-04-01  Ian Lance Taylor  <iant@google.com>
10165             Mikolaj Zalewski  <mikolajz@google.com>
10166
10167         * gold.h (reserve_unordered_map): Define, three versions, one for
10168         each version of Unordered_map.
10169         * layout.cc (Layout::Layout): Remove options parameter.  Add
10170         number_of_input_files parameter.  Don't initialize options_.
10171         Initialize number_of_input_files_ and resized_signatures_.  Move
10172         sections_are_attached_.
10173         (Layout::layout_group): Reserve space for group_signatures_.
10174         (Layout::find_or_add_kept_section): Change name parameter to be a
10175         reference.  Resize signatures_ map when it gets large enough.
10176         (Layout::layout_eh_frame): Use parameters->options() instead of
10177         this->options_.
10178         (Layout::make_output_section): Likewise.
10179         (Layout::attach_allocated_section_to_segment): Likewise.
10180         (Layout::finalize, Layout::create_executable_stack): Likewise.
10181         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10182         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10183         * layout.h (class Layout): Update declarations.  Remove options_
10184         field.  Add number_of_input_files_ and resized_signatures_
10185         fields.  Move sections_are_attached_ field.
10186         * main.cc (main): Pass number of input files to Layout
10187         constructor.  Don't pass options.
10188
10189 2009-03-30  Ian Lance Taylor  <iant@google.com>
10190
10191         * ffsll.c (ffsll): Correct implementation.
10192
10193 2009-03-27  Ian Lance Taylor  <iant@google.com>
10194
10195         * ffsll.c: New file.
10196         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10197         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10198         * ftruncate.c (ftruncate): Declare before definition.
10199         * mremap.c (mremap): Likewise.
10200         * pread.c (pread): Likewise.
10201         * configure, Makefile.in, config.in: Rebuild.
10202
10203         * mremap.c: New file.
10204         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10205         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10206         (mremap): Declare if HAVE_MREMAP is not defined.
10207         * configure, Makefile.in, config.in: Rebuild.
10208
10209 2009-03-27  Cary Coutant  <ccoutant@google.com>
10210
10211         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10212         position independent.
10213         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10214         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10215
10216 2009-03-24  Cary Coutant  <ccoutant@google.com>
10217
10218         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10219         an executable.
10220         (needs_dynamic_reloc): Likewise.
10221
10222 2009-03-24  Ian Lance Taylor  <iant@google.com>
10223
10224         * yyscript.y (file_cmd): Recognize EXTERN.
10225         (extern_name_list, extern_name_list_body): New nonterminals.
10226         * script.cc (script_add_extern): Define.
10227         * script-c.h (script_add_extern): Declare.
10228
10229 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10230
10231         * object.cc (is_elf_object): Define.
10232         * object.h (is_elf_object): Declare.
10233         * archive.cc (Archive::get_elf_object_for_member): Call
10234         is_elf_object.
10235         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10236
10237 2009-03-24  Elliott Hughes  <enh@google.com>
10238
10239         * output.cc (Output_file::map_anonymous): Define.
10240         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10241         try an anonymous one.  Report the size if the mmap fails.
10242         * output.h (class Output_file): Declare map_anonymous.
10243
10244 2009-03-24  Ian Lance Taylor  <iant@google.com>
10245
10246         * target-select.cc (instantiate_target): Don't acquire the lock if
10247         the instantiated_target_ field has already been set.
10248
10249 2009-03-23  Ian Lance Taylor  <iant@google.com>
10250
10251         * gold-threads.h (class Initialize_lock): Define.
10252         * gold-threads.cc (class Initialize_lock_once): Define.
10253         (initialize_lock_control): New static variable.
10254         (initialize_lock_pointer): New static variable.
10255         (initialize_lock_once): New static function.
10256         (Initialize_lock::Initialize_lock): Define.
10257         (Initialize_lock::initialize): Define.
10258         * target-select.h: Include "gold-threads.h".
10259         (class Target_selector): Add lock_ and initialize_lock_ fields.
10260         Don't define instantiate_target, just declare it.
10261         * target-select.cc (Target_selector::Target_selector): Initialize
10262         new fields.
10263         (Target_selector::instantiate_target): Define.
10264         * descriptors.h: Include "gold-threads.h".
10265         (class Descriptors): Add initialize_lock_ field.
10266         * descriptors.cc (Descriptors::Descriptors): Initialize new
10267         field.
10268         (Descriptors::open): Use initialize_lock_ field
10269         * errors.h (class Errors): Add initialize_lock_ field.
10270         * errors.cc (Errors::Errors): Initialize new field.
10271         (Errors::initialize_lock): Use initialize_lock_ field.
10272         * powerpc.cc (class Target_selector_powerpc): Remove
10273         instantiated_target_ field.  In do_recognize call
10274         instantiate_target rather than do_instantiate_target.  In
10275         do_instantiate_target just allocate a new target.
10276         * sparc.cc (class Target_selector_sparc): Likewise.
10277
10278         * freebsd.h: New file.
10279         * i386.cc: Include "freebsd.h".
10280         (Target_i386): Derive from Target_freebsd rather than
10281         Sized_target.
10282         (Target_selector_i386): Derive from Target_selector_freebsd rather
10283         than Target_selector.
10284         * x86_64.cc: Include "freebsd.h".
10285         (Target_x86_64): Derive from Target_freebsd rather than
10286         Sized_target.
10287         (Target_selector_x86_64): Derive from Target_selector_freebsd
10288         rather than Target_selector.
10289         * target.h (class Target): Add adjust_elf_header and
10290         do_adjust_elf_header.
10291         * output.cc (Output_file_header:: do_sized_write): Call target
10292         adjust_elf_header routine.
10293         * configure.tgt: Set targ_osabi.
10294         * configure.ac: Define GOLD_DEFAULT_OSABI.
10295         * parameters.cc (Parameters::default_target): Pass
10296         GOLD_DEFAULT_OSABI to select_target.
10297         * target-select.h (class Target_selector): Make instantiate_target
10298         protected rather than private.
10299         * Makefile.am (HFILES): Add freebsd.h.
10300         * configure, Makefile.in, config.in: Rebuild.
10301
10302         * merge.cc (do_add_input_section): Correct pend value.  Change
10303         message about last entry not being null terminated from error to
10304         warning.
10305
10306 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10307
10308         * incremental.cc: New file.
10309         * Makefile.am (CCFILES): Add incremental.cc.
10310         * Makefile.in: Rebuild.
10311
10312 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
10313
10314         * layout.cc (Layout::output_section_name): Preserve names
10315         of '.note.' sections.
10316
10317 2009-03-19  Ian Lance Taylor  <iant@google.com>
10318
10319         * descriptors.cc (Descriptors::open): Check that the options are
10320         valid before using them.
10321
10322 2009-03-18  Ian Lance Taylor  <iant@google.com>
10323
10324         * script-sections.h: Include <list>.
10325         (class Script_sections): Change Sections_elements from std::vector
10326         to std::list.  Typedef public Elements_iterator.  Add
10327         orphan_section_placement_, data_segment_align_start_, and
10328         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10329         field.
10330         * script-sections.cc (class Orphan_section_placement): New class.
10331         (class Sections_element): Add virtual functions is_relro and
10332         orphan_section_init.  Remove virtual function place_orphan_here.
10333         (class Output_section_definition): Add is_relro and
10334         orphan_section_init.  Remove place_orphan_here.
10335         (class Orphan_output_section): Likewise.
10336         (Script_sections::Script_sections): Update for field changes.
10337         (Script_sections::data_segment_align): Set saw_data_segment_align_
10338         and data_segment_align_start_, not data_segment_align_index.
10339         (Script_sections::data_segment_relro_end): Check
10340         saw_data_segment_align_.  Use data_segment_align_start_ rather
10341         than data_segment_align_index_.
10342         (Script_sections::place_orphan): Rewrite to use
10343         Orphan_section_placement.
10344
10345 2009-03-17  Ian Lance Taylor  <iant@google.com>
10346
10347         * archive.cc (Archive::add_symbols): Check for a version attached
10348         to the symbol name in the archive map.
10349         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10350         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10351         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10352         (ver_test_11.a): New target.
10353         * testsuite/Makefile.in: Rebuild.
10354
10355         * configure.ac: Check for chsize and posix_fallocate.  Replace
10356         ftruncate.
10357         * ftruncate.c: New file, from gnulib.
10358         * output.cc (posix_fallocate): Define dummy version if not
10359         HAVE_POSIX_FALLOCATE.
10360         (Output_file::map): Call posix_fallocate rather than lseek and
10361         write.
10362         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10363         * configure, Makefile.in, config.in: Rebuild.
10364
10365 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10366
10367         * layout.h (Layout::create_note): Add section_name parameter.
10368         * layout.cc (Layout::create_note): Likewise.
10369         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
10370
10371 2009-03-17  Ian Lance Taylor  <iant@google.com>
10372
10373         * descriptors.cc: Include "options.h".
10374         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
10375         (Descriptors::open): Always use O_CLOEXEC when opening a new
10376         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
10377         then set FD_CLOEXEC.
10378
10379         * sparc.cc (class Target_sparc): Add has_got_section.
10380         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
10381         make sure we have a GOT section.
10382
10383         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
10384         (Target_sparc::Scan::local): Likewise.
10385         (Target_sparc::Scan::global): Likewise.
10386         (Target_sparc::Relocate::relocate): Likewise.
10387         (Target_sparc::Relocate::relocate_tls): Likewise.
10388
10389         * symtab.cc (Symbol_table::define_default_version): New function,
10390         broken out of add_from_object.
10391         (Symbol_table::add_from_object): Call define_default_version.
10392         (Symbol_table::define_special_symbol): Add resolve_oldsym
10393         parameter.  Change all callers.  If the version for a symbol comes
10394         from a version script, resolve it with the symbol with the same
10395         name with no version.  Also add the symbol without a version if
10396         appropriate.
10397         (do_define_in_output_data): If resolving with oldsym, don't delete
10398         sym.
10399         (do_define_in_output_segment): Likewise.
10400         (do_define_as_constant): Likewise.
10401         * symtab.h (class Symbol_table): Update declarations.
10402
10403 2009-03-13  Ian Lance Taylor  <iant@google.com>
10404
10405         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10406         (Read_symbols::requeue): New function.
10407         (Read_symbols::do_read_symbols): If make_elf_object fails because
10408         the target type is not configured, and the file was searched for,
10409         issue a warning and retry with the next directory.
10410         (Add_symbols::run): If the file has an incompatible format, and
10411         it was searched for, requeue the Read_symbols task.  On error,
10412         release the object.
10413         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10414         dirindex parameter to constructor.  Change all callers.  Declare
10415         incompatible_warning and requeue.
10416         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10417         input_argument_ and input_group_ fields.  Add them to
10418         constructor.  Change all callers.
10419         (class Read_script): Add dirindex_ field.  Add it to constructor.
10420         Change all callers.
10421         * archive.cc (Archive::setup): Remove input_objects parameter.
10422         Change all callers.
10423         (Archive::get_file_and_offset): Likewise.
10424         (Archive::read_all_symbols): Likewise.
10425         (Archive::read_symbols): Likewise.
10426         (Archive::get_elf_object_for_member): Remove input_objects
10427         parameter.  Add punconfigured parameter.  Change all callers.
10428         (Archive::add_symbols): Change return type to bool.  Check return
10429         value of include_member.
10430         (Archive::include_all_members): Likewise.
10431         (Archive::include_member): Change return type to bool.  Return
10432         false if first included object has incompatible target.  Set
10433         included_member_ field.
10434         (Add_archive_symbols::run): If add_symbols returns false, requeue
10435         Read_symbols task.
10436         * archive.h (class Archive): Add included_member_ field.
10437         Initialize it in constructor.  Add input_file and searched_for
10438         methods.  Update declarations.
10439         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10440         input_argument_ fields.  Add them to constructor.  Change all
10441         callers.
10442         * script.cc: Include "target-select.h".
10443         (class Parser_closure): Add skip_on_incompatible_target_ and
10444         found_incompatible_target_ fields.  Add
10445         skip_on_incompatible_target parameter to constructor.  Change all
10446         callers.  Add methods skip_on_incompatible_target,
10447         clear_skip_on_incompatible_target, found_incompatible_target, and
10448         set_found_incompatible_target.
10449         (read_input_script): Add dirindex parameter.  Change all callers.
10450         If parser finds an incompatible target, requeue Read_symbols
10451         task.
10452         (script_set_symbol): Clear skip_on_incompatible_target in
10453         closure.
10454         (script_add_assertion, script_parse_option): Likewise.
10455         (script_start_sections, script_add_phdr): Likewise.
10456         (script_check_output_format): New function.
10457         * script.h (read_input_script): Update declaration.
10458         * script-c.h (script_check_output_format): Declare.
10459         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10460         (ignore_cmd): Remove OUTPUT_FORMAT.
10461         * fileread.cc (Input_file::Input_file): Add explicit this.
10462         (Input_file::will_search_for): New function.
10463         (Input_file::open): Add pindex parameter.  Change all callers.
10464         * fileread.h (class Input_file): Add input_file_argument method.
10465         Declare will_search_for.  Update declarations.
10466         * object.cc (make_elf_object): Add punconfigured parameter.
10467         Change all callers.
10468         * object.h (class Object): Make input_file public.  Add
10469         searched_for method.
10470         (make_elf_object): Update declaration.
10471         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10472         restart search.
10473         * dirsearch.h (class Dirsearch): Update declaration.
10474         * options.h (class General_options): Add --warn-search-mismatch.
10475         * parameters.cc (Parameters::is_compatible_target): New function.
10476         * parameters.h (class Parameters): Declare is_compatible_target.
10477         * workqueue.cc (Workqueue::add_blocker): New function.
10478         * workqueue.h (class Workqueue): Declare add_blocker.
10479
10480         * fileread.cc (Input_file::open): Remove options parameter.
10481         Change all callers.
10482         (Input_file::open_binary): Likewise.
10483         * script.cc (read_input_script): Likewise.
10484         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10485         options parameter from constructor.  Change all callers.
10486         (class Read_script): Likewise.
10487         * fileread.h (class Input_file): Update declarations.
10488         * script.h (read_input_script): Update declaration.
10489
10490 2009-03-10  Nick Clifton  <nickc@redhat.com>
10491
10492         * po/es.po: New Spanish translation.
10493
10494 2009-03-06  Cary Coutant  <ccoutant@google.com>
10495
10496         * options.cc (parse_short_option): Keep dash_z from registering itself.
10497
10498 2009-03-03  Ian Lance Taylor  <iant@google.com>
10499
10500         PR 9918
10501         * target-reloc.h (relocate_section): Pass output_section to
10502         relocate.
10503         * i386.cc (Target_i386::should_apply_static_reloc): Add
10504         output_section parameter.  Change all callers.
10505         (Target_i386::Relocate::relocate): Add output_section parameter.
10506         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10507         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10508         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10509         * testsuite/two_file_shared.sh: New script.
10510         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10511         (check_DATA): Add two_file_shared.dbg.
10512         (two_file_shared.dbg): New target.
10513         * testsuite/Makefile.in: Rebuild.
10514
10515 2009-03-01  Ian Lance Taylor  <iant@google.com>
10516
10517         * configure.ac: Check for byteswap.h.
10518         * configure: Rebuild.
10519         * config.in: Rebuild.
10520
10521 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10522
10523         * layout.cc (Layout::find_or_add_kept_section): New function.
10524         (Layout::add_comdat): Removed.
10525         * layout.h (struct Kept_section): Move out of class Layout.
10526         Remove trailing underscores from field names.  Add group_sections
10527         field.  Rename group_ field to is_group.  Change all uses.
10528         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10529         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10530         comdat_groups_ field.
10531         (Sized_relobj::include_section_group): Use
10532         find_or_add_kept_section and Kept_section::group_sections.
10533         (Sized_relobj::include_linkonce_section): Likewise.
10534         * object.cc (class Sized_relobj): Don't define Comdat_group or
10535         Comdat_group_table.  Remove find_comdat_group and
10536         add_comdat_group.  Remove comdat_groups_ field.
10537         * plugin.cc (include_comdat_group): Use
10538         Layout::find_or_add_kept_section.
10539
10540 2009-02-28  Ian Lance Taylor  <iant@google.com>
10541
10542         * README: --gc-sections and map files are now supported.  Document
10543         some build requirements.
10544
10545         PR 6992
10546         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10547         relocatable link set the value of the section symbol to zero.
10548         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10549         relocatable link don't include the section address in the local
10550         symbol value.
10551
10552 2009-02-27  Ian Lance Taylor  <iant@google.com>
10553
10554         PR 6811
10555         * options.h (class Search_directory): Add is_system_directory.
10556         (class General_options): Declare is_in_system_directory.
10557         * options.cc (get_relative_sysroot): Make static.
10558         (get_default_sysroot): Make static.
10559         (General_optoins::is_in_system_directory): New function.
10560         * fileread.cc (Input_file::is_in_system_directory): New function.
10561         * fileread.h (class Input_file): Declare is_in_system_directory.
10562         * object.h (class Object): Add is_in_system_directory.
10563         (class Input_objects): Remove system_library_directory_ field.
10564         * object.cc (Input_objects::add_object): Don't set
10565         system_library_directory_.
10566         (input_objects::found_in_system_library_directory): Remove.
10567         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10568         parameter.  Change all callers.
10569         (Symbol_table::sized_write_globals): Likewise.
10570         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10571         Call Object::is_in_system_directory.
10572         * symtab.h (class Symbol_table): Update declarations.
10573
10574         PR 5990
10575         * descriptors.h (Open_descriptor): Add is_on_stack field.
10576         * descriptors.cc (Descriptors::open): If the descriptor is on the
10577         top of the stack, remove it.  Initialize is_on_stack field.
10578         (Descriptors::release): Only add pod to stack if it is not on the
10579         stack already.
10580         (Descriptors::close_some_descriptor): Clear stack_next and
10581         is_on_stack fields.
10582
10583         PR 7091
10584         * output.cc (Output_section::find_starting_output_address): Rename
10585         from starting_output_address; add PADDR parameter; change return
10586         type.
10587         * output.h (class Output_section): Declare
10588         find_starting_output_address instead of starting_output_address.
10589         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10590         section symbol for which we can't find a merge section.
10591
10592         PR 9836
10593         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10594         hidden or internal, force the symbol to be local.
10595         * resolve.cc (Symbol::override_visibility): Define.
10596         (Symbol::override_base): Use override_visibility.
10597         (Symbol_table::resolve): Likewise.
10598         (Symbol::override_base_with_special): Likewise.
10599         (Symbol_table::override_with_special): If the visibility is hidden
10600         or internal, force the symbol to be local.
10601         * symtab.h (class Symbol): Add set_visibility and
10602         override_visibility.
10603         * testsuite/ver_test_1.sh: New file.
10604         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10605         (check_DATA): Add ver_test_1.syms.
10606         (ver_test_1.syms): New target.
10607         * testsuite/Makefile.in: Rebuild.
10608
10609 2009-02-25  Cary Coutant  <ccoutant@google.com>
10610
10611         * layout.cc (Layout::choose_output_section): Don't rename sections
10612         when using a linker script that has a SECTIONS clause.
10613         * Makefile.in: Regenerate.
10614
10615         * testsuite/Makefile.am (script_test_5.sh): New test case.
10616         * testsuite/Makefile.in: Regenerate.
10617         * testsuite/script_test_5.cc: New file.
10618         * testsuite/script_test_5.sh: New file.
10619         * testsuite/script_test_5.t: New file.
10620
10621 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10622
10623         * archive.cc (Archive::include_member): Update calls to add_symbols.
10624         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10625         the Layout argument.
10626         * dynobj.h (do_add_symbols): Add the Layout argument.
10627         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10628         Layout argument.
10629         * object.h (Object::add_symbols): Add the Layout argument.
10630         (Object::do_add_symbols): Add the Layout argument.
10631         (Sized_relobj::do_add_symbols): Add the Layout argument.
10632         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10633         Unify the two versions.
10634         (Add_plugin_symbols): Remove.
10635         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10636         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10637         (Add_plugin_symbols): Remove.
10638         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10639         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10640         (Add_symbols::run): Make it work with Pulginobj.
10641
10642 2009-02-06  Ian Lance Taylor  <iant@google.com>
10643
10644         * object.cc (Sized_relobj::do_layout): Make info message start
10645         with lower case letter.
10646
10647 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10648
10649         * binary.cc: Fix file comment.
10650
10651         * options.h (enum Incremental_disposition): Define.
10652         (class General_options): Add new options: --incremental,
10653         --incremental_changed, --incremental_unchanged,
10654         --incremental_unknown.  Add incremental_disposition_ and
10655         implicit_incremental_ fields.
10656         (General_options::incremental_disposition): New function.
10657         (class Position_dependent_options): Add incremental_disposition
10658         option.
10659         (Position_dependent_options::copy_from_options): Set incremental
10660         dispositions.
10661         * options.cc (General_options::parse_incremental_changed): New
10662         function.
10663         (General_options::parse_incremental_unchanged): New function.
10664         (General_options::parse_incremental_unknown): New function.
10665         (General_options::General_options): Initialize new fields
10666         incremental_disposition_ and implicit_incremental_.
10667         (General_options::finalize): Check for uasge of --incremental-*
10668         without --incremental.
10669
10670 2009-02-06  Chris Demetriou  <cgd@google.com>
10671
10672         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10673         pointer and to report location as the file name associated with
10674         the symbol.
10675         (gold_undefined_symbol_at_location): New function to replace the
10676         old gold_undefined_symbol functionality.
10677         * target-reloc.h (relocate_section): Update to use
10678         gold_undefined_symbol_at_location.
10679         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10680         Call gold_undefined_symbol function rather than gold_error.
10681         * errors.h (Errors::undefined_symbol): Take location as a
10682         string, rather than calculating it from a relocation.
10683         * errors.cc (Errors::fatal): Print "fatal error:" before the
10684         formatted message.
10685         (Errors::error, Errors::error_at_location): Print "error: "
10686         before the formatted message.
10687         (Errors::undefined_symbol): Take location as a string, rather
10688         than calculating it from a relocation.
10689         (gold_undefined_symbol_at_location): New function akin to
10690         old gold_undefined_symbol, calculates location from relocation.
10691         (gold_undefined_symbol): Change to take only a Symbol pointer
10692         and to report location as the file name associated with the symbol.
10693         * testsuite/debug_msg.sh: Update for changed error messages.
10694         * testsuite/undef_symbol.sh: Likewise.
10695
10696 2009-02-04  Duncan Sands  <baldrick@free.fr>
10697
10698         PR 9812
10699         * reduced_debug_output.h
10700         (Output_reduced_debug_abbrev_section::failed): Use format for
10701         gold_warning.
10702         (Output_reduced_debug_info_section::faild): Likewise.
10703
10704 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10705
10706         * script.cc (Lazy_demangler): New class.
10707         (Version_script_info::get_symbol_version_helper): Demangle a
10708         symbol only once.
10709
10710 2009-01-29  Cary Coutant  <ccoutant@google.com>
10711
10712         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10713         to __tls_get_addr.
10714         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10715
10716 2009-01-28  Ian Lance Taylor  <iant@google.com>
10717
10718         * version.cc (version_string): Bump to 1.9.
10719
10720         * gold.h: Include <cstring> and <stdint.h>.
10721         * version.cc: Include <cstdio>.
10722         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10723         warning.
10724         * reduced_debug_output.cc (insert_into_vector): Rename from
10725         Insert_into_vector; change all callers.  Use Swap_unaligned to
10726         avoid aliasing issue; remove union since it is unnecessary.
10727
10728 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10729
10730         * Makefile.am (CCFILES): Add gc.cc.
10731         (HFILES): Add gc.h.
10732         * Makefile.in: Regenerate.
10733         * gold.cc (Gc_runner): New class.
10734         (queue_initial_tasks): Call garbage collection related tasks
10735         when corresponding options are invoked.
10736         (queue_middle_gc_tasks): New function.
10737         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10738         processed early before laying out sections during garbage collection.
10739         * gold.h (queue_middle_gc_tasks): New function.
10740         (is_prefix_of): Move from "layout.cc".
10741         * i386.cc (Target_i386::gc_process_relocs): New function.
10742         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10743         * main.cc (main): Create object of class "Garbage_collection".
10744         * object.cc (Relobj::copy_symbols_data): New function.
10745         (Relobj::is_section_name_included): New function.
10746         (Sized_relobj::do_layout): Allow this function to be called twice
10747         during garbage collection and defer layout of section during the
10748         first call.
10749         * object.h (Relobj::get_symbols_data): New function.
10750         (Relobj::is_section_name_included): New function.
10751         (Relobj::copy_symbols_data): New function.
10752         (Relobj::set_symbols_data): New function.
10753         (Relobj::get_relocs_data): New function.
10754         (Relobj::set_relocs_data): New function.
10755         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10756         (Relobj::gc_process_relocs): New function.
10757         (Relobj::do_gc_process_relocs): New pure virtual function.
10758         (Relobj::sd_): New data member.
10759         (Sized_relobj::is_output_section_offset_invalid): New function.
10760         (Sized_relobj::do_gc_process_relocs): New function.
10761         * options.h (General_options::gc_sections): Modify to not be a no-op.
10762         (General_options::print_gc_sections): New option.
10763         * plugin.cc (Plugin_finish::run): Remove function call to
10764         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10765         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10766         * reloc.cc (Read_relocs::run): Add task to process relocs and
10767         determine unreferenced sections when doing garbage collection.
10768         (Gc_process_relocs): New class.
10769         (Sized_relobj::do_gc_process_relocs): New function.
10770         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10771         sections that are garbage collected.
10772         * reloc.h (Gc_process_relocs): New class.
10773         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10774         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10775         symbols whose corresponding sections are garbage collected.
10776         (Symbol_table::Symbol_table): Add new parameter for the garbage
10777         collection object.
10778         (Symbol_table::gc_mark_undef_symbols): New function.
10779         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10780         (Symbol_table::gc_mark_dyn_syms): New function.
10781         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10782         as garbage.
10783         (Symbol_table::add_from_object): Likewise.
10784         (Symbol_table::add_from_relobj): When building shared objects, do not
10785         treat externally visible symbols as garbage.
10786         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10787         table information for static and relocatable links.
10788         * symtab.h (Symbol_table::set_gc): New function.
10789         (Symbol_table::gc): New function.
10790         (Symbol_table::gc_mark_undef_symbols): New function.
10791         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10792         (Symbol_table::gc_mark_dyn_syms): New function.
10793         (Symbol_table::gc_): New data member.
10794         * target.h (Sized_target::gc_process_relocs): New pure virtual
10795         function.
10796         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10797         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10798
10799 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10800
10801         * options.h (General_options::gc_sections): Define as a no-op for now.
10802         (General_options::no_keep_memory): Ditto.
10803         (General_options::Bshareable): Define.
10804         * options.cc (General_options::finalize): Honor -Bshareable.
10805
10806 2009-01-20  Andreas Schwab  <schwab@suse.de>
10807
10808         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10809         read the value in the contents, since we don't use it.  Use the
10810         template endianness when writing.
10811         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10812
10813 2009-01-19  Andreas Schwab  <schwab@suse.de>
10814
10815         * configure.tgt (powerpc64-*): Fix targ_obj.
10816
10817 2009-01-15  Ian Lance Taylor  <iant@google.com>
10818
10819         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10820         local symbols when stripping all symbols.
10821
10822 2009-01-14  Cary Coutant  <ccoutant@google.com>
10823
10824         * output.cc (Output_reloc): Add explicit instantiations.
10825
10826 2009-01-14  Cary Coutant  <ccoutant@google.com>
10827
10828         * archive.cc (Archive::get_elf_object_for_member): Remove call
10829         to File_read::claim_for_plugin.
10830         * descriptors.cc (Descriptors::open): Remove reference to
10831         is_claimed.
10832         (Descriptors::claim_for_plugin): Remove.
10833         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10834         (Descriptors::is_claimed): Remove.
10835         (claim_descriptor_for_plugin): Remove.
10836         * fileread.cc (File_read::claim_for_plugin): Remove.
10837         * fileread.h (File_read::claim_for_plugin): Remove.
10838         (File_read::descriptor): Reopen descriptor if necessary.
10839         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10840         (Plugin_manager::all_symbols_read): Add task parameter. Change
10841         all callers.
10842         (Plugin_manager::get_input_file): New function.
10843         (Plugin_manager::release_input_file): New function.
10844         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10845         corresponding data member.
10846         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10847         and pass to base constructor. Change all callers.
10848         (get_input_file, release_input_file): New functions.
10849         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10850         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10851         (Plugin_manager::all_symbols_read): Add task parameter.
10852         (Plugin_manager::get_input_file): New function.
10853         (Plugin_manager::release_input_file): New function.
10854         (Plugin_manager::task_): New data member.
10855         (Pluginobj::Pluginobj): Add filesize parameter.
10856         (Pluginobj::filename): New function.
10857         (Pluginobj::descriptor): New function.
10858         (Pluginobj::filesize): New function.
10859         (Pluginobj::filesize_): New data member.
10860         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10861         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10862         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10863
10864         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10865         with archive libraries.
10866         * testsuite/Makefile.in: Regenerate.
10867         * testsuite/plugin_test.c (struct sym_info): New type.
10868         (get_input_file, release_input_file): New static variables.
10869         (onload): Capture new transfer vector entries.
10870         (claim_file_hook): Stop reading at end of file according to filesize.
10871         Factor out parsing of readelf output into separate function.
10872         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10873         APIs and get the source file name from the symbol table.  Convert
10874         source file name to corresponding object file name.  Print info
10875         message when adding new input files.
10876         (parse_readelf_line): New function.
10877         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10878         * testsuite/plugin_test_2.sh: Likewise.
10879         * testsuite/plugin_test_3.sh: Likewise.
10880         * testsuite/plugin_test_4.sh: New test case.
10881
10882 2009-01-07  Ian Lance Taylor  <iant@google.com>
10883
10884         * version.cc (version_string): Bump to 1.8.
10885
10886 2008-12-23  Cary Coutant  <ccoutant@google.com>
10887
10888         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10889         * plugin.cc (Plugin_manager::finish): Rename as
10890         layout_deferred_objects.  Move cleanup to separate function.
10891         (Plugin_manager::cleanup): New function.
10892         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10893         separately.
10894         * plugin.h (Plugin_manager::finish): Rename as
10895         layout_deferred_objects.
10896         (Plugin_manager::cleanup): New function.
10897         (Plugin_manager::cleanup_done): New field.
10898
10899 2008-12-23  Cary Coutant  <ccoutant@google.com>
10900
10901         * plugin.cc (is_visible_from_outside): New function.
10902         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10903         so we don't return "IR only" status for exported symbols or -r links.
10904
10905         * testsuite/Makefile.am (plugin_test_3): New test case.
10906         * testsuite/Makefile.in: Regenerate.
10907         * testsuite/plugin_test_3.sh: New file.
10908
10909 2008-12-22  Cary Coutant  <ccoutant@google.com>
10910
10911         * object.cc (Sized_relobj::layout_section): New function.
10912         (Sized_relobj::do_layout): Defer layout of input sections until after
10913         plugin has provided replacement files.
10914         (Sized_relobj::do_layout_deferred_sections): New function.
10915         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10916         (Relobj::layout_deferred_sections): New function.
10917         (Relobj::do_layout_deferred_sections): New function.
10918         (Sized_relobj::do_layout_deferred_sections): New function.
10919         (Sized_relobj::layout_section): New function.
10920         (Sized_relobj::Deferred_layout): New structure.
10921         (Sized_relobj::deferred_layout_): New field.
10922         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10923         Change all callers.  Layout deferred sections.
10924         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10925         references.
10926         (Plugin_hook::run): Move code from do_plugin_hook inline.
10927         (Plugin_hook::do_plugin_hook): Remove.
10928         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10929         (Plugin_manager::finish): Renamed, was cleanup.
10930         (Plugin_manager::should_defer_layout): New function.
10931         (Plugin_manager::add_deferred_layout_object): New function.
10932         (Plugin_manager::Deferred_layout_list): New type.
10933         (Plugin_manager::deferred_layout_objects_): New field.
10934         (Plugin_hook::do_plugin_hook): Remove.
10935
10936 2008-12-17  Ian Lance Taylor  <iant@google.com>
10937
10938         * options.h (class General_options): Add --no case for
10939         --export-dynamic.
10940
10941 2008-12-16  Cary Coutant  <ccoutant@google.com>
10942
10943         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10944         vector.
10945         (Plugin_manager::claim_file): Create plugin object even if
10946         plugin did not call the add_symbols callback.
10947         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10948         asking for more symbols than were added.
10949         * testsuite/Makefile.am (plugin_test_1): Add test case with
10950         no global symbols.
10951         (empty.syms): New target.
10952         * testsuite/Makefile.in: Regenerate.
10953         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10954         message. Don't call add_symbols if no globals.
10955         (all_symbols_read_hook): Don't provide replacement for empty
10956         claimed file.
10957
10958 2008-12-12  Ian Lance Taylor  <iant@google.com>
10959
10960         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10961         r_type == 0 for a local symbol with r_sym == 0.
10962         (scan_relocatable_relocs): Pass r_sym to
10963         local_non_section_strategy.
10964         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10965         r_sym parameter.
10966
10967         * configure.ac: Update test for TLS descriptors: they are
10968         supported as of glibc 2.9.
10969         * configure: Rebuild.
10970
10971 2008-12-11  Ian Lance Taylor  <iant@google.com>
10972
10973         PR 7091
10974         * target-reloc.h (Default_scan_relocatable_relocs): For each
10975         function, map r_type == 0 to RELOC_DISCARD.
10976
10977 2008-12-10  Cary Coutant  <ccoutant@google.com>
10978
10979         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10980         object to override a kept COMDAT group from a plugin object.
10981
10982 2008-12-09  Ian Lance Taylor  <iant@google.com>
10983
10984         PR 7088
10985         * yyscript.y (file_cmd): Handle INPUT.
10986
10987         * testsuite/initpri1.c: Change all declarations to be full
10988         prototypes by adding void, to avoid compiler warnings.
10989
10990 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10991
10992         * options.cc (General_options::parse_plugin_opt): New.
10993         (General_options::add_plugin): The argument now is just the filename.
10994         (General_options::add_plugin_option): New.
10995         * options.h (plugin_opt): New.
10996         (add_plugin): Change argument name.
10997         (add_plugin_option): New.
10998         * plugin.cc (Plugin::load): Don't parse the plugin option.
10999         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11000         (Plugin::add_option): New.
11001         (Plugin::args_): Change type.
11002         (Plugin::filename_): New.
11003         (Plugin_manager::add_plugin_option): New.
11004         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11005         * testsuite/Makefile.in: Regenerate.
11006
11007 2008-12-05  Cary Coutant  <ccoutant@google.com>
11008
11009         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11010         Handle --strip-lto-sections option.
11011         * options.h (strip_lto_sections): New option.
11012
11013 2008-12-01  Cary Coutant  <ccoutant@google.com>
11014
11015         * plugin.cc (ld_plugin_message): Change format parameter to const.
11016         Fix mismatch between new[] and delete.
11017
11018 2008-11-14  Cary Coutant  <ccoutant@google.com>
11019
11020         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11021         instead of -1U.
11022
11023 2008-11-05  Craig Silverstein  <csilvers@google.com>
11024
11025         * options.cc (General_options::parse_dynamic_list): New function.
11026         * options.h (General_options): New flags dynamic_list,
11027         dynamic_list_data, dynamic_list_cpp_new, and
11028         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11029         (General_options::in_dynamic_list): New function.
11030         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11031         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11032         (Lex::can_continue_name): Likewise.
11033         (yylex): Likewise.
11034         (read_script_file): New parameter script_options.
11035         (read_dynamic_list): New function.
11036         (Script_options::define_dynamic_list): New function.
11037         (dynamic_list_keyword_parsecodes): New variable.
11038         (dynamic_list_keywords): New variable.
11039         * script.h (Script_options::define_dynamic_list): New function
11040         prototype.
11041         (read_dynamic_list): New function prototype.
11042         * symtab.cc (strprefix): New macro.
11043         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11044         dynamic_list_data, dynamic_list_cpp_new, and
11045         dynamic_list_cpp_typeinfo.
11046         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11047         (dynamic_list_expr): New rule.
11048         (dynamic_list_nodes): Likewise.
11049         (dynamic_list_node): Likewise.
11050         * testsuite/Makefile.am (dynamic_list): New test.
11051         * testsuite/Makefile.in: Regenerated.
11052         * testsuite/dynamic_list.t: New file.
11053         * testsuite/dynamic_list.sh: New file.
11054
11055 2008-11-05  Craig Silverstein  <csilvers@google.com>
11056
11057         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11058         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11059         (t11_last): Likewise.
11060         * testsuite/ver_test_6.c (main): Likewise.
11061
11062 2008-10-07  Cary Coutant  <ccoutant@google.com>
11063
11064         * options.c (General_options::finalize): Add check for -static and
11065         -shared.
11066         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11067         is not empty.
11068
11069 2008-10-02  Cary Coutant  <ccoutant@google.com>
11070
11071         * plugin.cc (make_sized_plugin_object): Fix conditional
11072         compilation to work when not all targets are enabled.
11073
11074 2008-09-29  Cary Coutant  <ccoutant@google.com>
11075
11076         * archive.cc (Archive::get_file_and_offset): Use filename instead
11077         of name to get library path.
11078         (Archive::include_member): Unlock external member of a thin archive.
11079
11080         * testsuite/Makefile.am (TEST_AR): New variable.
11081         (thin_archive_test_1): New test.
11082         (thin_archive_test_2): New test.
11083         * testsuite/Makefile.in: Regenerate.
11084         * testsuite/thin_archive_main.cc: New file.
11085         * testsuite/thin_archive_test_1.cc: New file.
11086         * testsuite/thin_archive_test_2.cc: New file.
11087         * testsuite/thin_archive_test_3.cc: New file.
11088         * testsuite/thin_archive_test_4.cc: New file.
11089
11090 2008-09-29  Cary Coutant  <ccoutant@google.com>
11091
11092         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11093         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11094         instead of -1U.
11095         (Sized_relobj::do_finalize_local_symbols): Likewise.
11096         (Sized_relobj::map_to_kept_section): Likewise.
11097         * object.h (Sized_relobj::invalid_address): New constant.
11098         (Sized_relobj::do_output_section_offset): Check for invalid_address
11099         and return -1ULL.
11100         * output.cc (Output_reloc::local_section_offset): Use constant
11101         invalid_address instead of -1U.
11102         (Output_reloc::get_address): Likewise.
11103         (Output_section::output_address): Change -1U to -1ULL.
11104         * output.h (Output_reloc::invalid_address): New constant.
11105         * reloc.cc (Sized_relobj::write_sections): Use constant
11106         invalid_address instead of -1U.
11107         (Sized_relobj::relocate_sections): Likewise.
11108         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11109         values for merge sections.
11110         * target-reloc.h (relocate_for_relocatable): Use constant
11111         invalid_address instead of -1U.
11112
11113 2008-09-19  Cary Coutant  <ccoutant@google.com>
11114
11115         Add plugin functionality for link-time optimization (LTO).
11116         * configure.ac (plugins): Add --enable-plugins option.
11117         * configure: Regenerate.
11118         * config.in: Regenerate.
11119         * Makefile.am (LIBDL): New variable.
11120         (CCFILES): Add plugin.cc.
11121         (HFILES): Add plugin.h.
11122         (ldadd_var): Add LIBDL.
11123         * Makefile.in: Regenerate.
11124
11125         * archive.cc: Include "plugin.h".
11126         (Archive::setup): Don't preread archive symbols when using a plugin.
11127         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11128         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11129         files.
11130         (Archive::include_member): Add symbols from plugin objects.
11131         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11132         * descriptors.cc (Descriptors::open): Check for file descriptors
11133         abandoned by plugins.
11134         (Descriptors::claim_for_plugin): New function.
11135         * descriptors.h (Descriptors::claim_for_plugin): New function.
11136         (Open_descriptor::is_claimed): New field.
11137         (claim_descriptor_for_plugin): New function.
11138         * fileread.cc (File_read::claim_for_plugin): New function.
11139         * fileread.h (File_read::claim_for_plugin): New function.
11140         (File_read::descriptor): New function.
11141         * gold.cc: Include "plugin.h".
11142         (queue_initial_tasks): Add task to call plugin hooks for generating
11143         new object files.
11144         * main.cc: Include "plugin.h".
11145         (main): Load plugin libraries.
11146         * object.h (Pluginobj): Declare.
11147         (Object::pluginobj): New function.
11148         (Object::do_pluginobj): New function.
11149         (Object::set_target): New function.
11150         * options.cc: Include "plugin.h".
11151         (General_options::parse_plugin): New function.
11152         (General_options::General_options): Initialize plugins_ field.
11153         (General_options::add_plugin): New function.
11154         * options.h (Plugin_manager): Declare.
11155         (General_options): Add --plugin option.
11156         (General_options::has_plugins): New function.
11157         (General_options::plugins): New function.
11158         (General_options::add_plugin): New function.
11159         (General_options::plugins_): New field.
11160         * plugin.cc: New file.
11161         * plugin.h: New file.
11162         * readsyms.cc: Include "plugin.h".
11163         (Read_symbols::do_read_symbols): Check for archive before checking
11164         for ELF file.  Call plugin hooks to claim files.
11165         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11166         from a real object file; force override when processing replacement
11167         files.
11168         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11169         (Symbol::init_base_object): Likewise.
11170         (Symbol::init_base_output_data): Likewise.
11171         (Symbol::init_base_output_segment): Likewise.
11172         (Symbol::init_base_constant): Likewise.
11173         (Symbol::init_base_undefined): Likewise.
11174         (Symbol::output_section): Assert that object is not a plugin.
11175         (Symbol_table::add_from_pluginobj): New function.
11176         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11177         undefined.
11178         (Symbol_table::sized_write_globals): Likewise.
11179         (Symbol_table::add_from_pluginobj): Instantiate template.
11180         * symtab.h (Sized_pluginobj): Declare.
11181         (Symbol::in_real_elf): New function.
11182         (Symbol::set_in_real_elf): New function.
11183         (Symbol::in_real_elf_): New field.
11184         (Symbol_table::add_from_pluginobj): New function.
11185
11186         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11187         (LIBDL): New variable.
11188         (LDADD): Add LIBDL.
11189         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11190         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11191         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11192         (MOSTLYCLEANFILES): Likewise.
11193         * testsuite/Makefile.in: Regenerate.
11194         * testsuite/plugin_test.c: New file.
11195         * testsuite/plugin_test_1.sh: New file.
11196         * testsuite/plugin_test_2.sh: New file.
11197
11198 2008-09-16  Ian Lance Taylor  <iant@google.com>
11199
11200         * target-reloc.h (relocate_section): Check whether a symbol is
11201         defined by the ABI before reporting an undefined symbol error.
11202         * target.h (Target::is_defined_by_abi): Make parameter const.
11203         (Target::do_is_defined_by_abi): Likewise.
11204         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11205         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11206         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11207         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11208         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11209         * testsuite/Makefile.in: Rebuild.
11210
11211         * fileread.cc (make_view): Add casts to avoid warning.
11212
11213 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11214
11215         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11216         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11217
11218 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11219
11220         * options.h (General_options::output_is_executable): New.
11221         (General_options::output_is_pie): New.
11222         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11223         for shared libraries.
11224         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11225
11226 2008-09-11  Chris Demetriou  <cgd@google.com>
11227
11228         * options.h (origin): New -z option.
11229         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11230         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11231         in DT_FLAGS_1.
11232
11233 2008-09-05  Cary Coutant  <ccoutant@google.com>
11234
11235         * fileread.cc (File_read::make_view): Add check for attempt to map
11236         beyond end of file.
11237
11238 2008-09-05  Cary Coutant  <ccoutant@google.com>
11239
11240         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11241         explicit instantiations.
11242
11243 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11244
11245         PR gold/6858
11246         * options.cc (General_options::finalize): Allow undefined symbols
11247         in shlibs if linking -shared.
11248
11249         PR gold/6859
11250         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11251         symbols as not needing a dynsym entry.
11252
11253 2008-08-20  Craig Silverstein  <csilvers@google.com>
11254
11255         * fileread.cc (File_read::open): Do not lock the file unless it
11256         was successfully opened.
11257
11258 2008-08-14  Cary Coutant  <ccoutant@google.com>
11259
11260         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11261         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11262         * testsuite/tls_test.cc (struct int128): 128-bit struct
11263         for testing TLS relocs with non-zero addend.
11264         (v12): New TLS variable.
11265         (t12): New test.
11266         (t_last): Add check for v12.
11267         * testsuite/tls_test.h (t12): New function.
11268         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11269
11270 2008-08-13  Ian Lance Taylor  <iant@google.com>
11271
11272         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11273         set tls_segment_ or relro_segment_.
11274         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11275         when appropriate.
11276         * output.h (Output_section::clear_is_relro): New function.
11277         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11278         sections specially even when output_data_ is empty.
11279         (Output_segment::maximum_alignment): When first section is relro,
11280         only force alignment for PT_LOAD segments.
11281         * script.cc (script_data_segment_align): New function.
11282         (script_data_segment_relro_end): New function.
11283         * script-c.h (script_data_segment_align): Declare.
11284         (script_data_segment_relro_end): Declare.
11285         * script-sections.h (class Script_sections): Declare
11286         data_segment_align and data_segment_relro_end.  Add fields
11287         segment_align_index_ and saw_relro_end_.
11288         * script-sections.cc (class Sections_element): Add set_is_relro
11289         virtual function.  Add new bool* parameter to place_orphan_here.
11290         Add get_output_section virtual function.
11291         (class Output_section_definition): Add set_is_relro.  Add new
11292         bool* parameter to place_orphan_here.  Add get_output_section.
11293         Add is_relro_ field.
11294         (Output_section_definition::Output_section_definition): Initialize
11295         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11296         and is_relro_ fields.
11297         (Output_section_definition::place_orphan_here): Add is_relro
11298         parameter.
11299         (Output_section_definition::set_section_addresses): Set relro for
11300         output section.
11301         (Output_section_definition::alternate_constraint): Likewise.
11302         (class Orphan_output_section): Add new bool* parameter to
11303         place_orphan_here.  Add get_output_section.
11304         (Orphan_output_section::place_orphan_here): Add is_relro
11305         parameter.
11306         (Script_sections::Script_sections): Initialize
11307         data_segment_align_index_ and saw_relro_end_.
11308         (Script_sections::data_segment_align): New function.
11309         (Script_sections::data_segment_relro_end): New function.
11310         (Script_sections::place_orphan): Set or clear is_relro.
11311         (Script_sections::set_section_addresses): Force alignment of first
11312         TLS section.
11313         * yyscript.y (exp): Call script_data_segment_align and
11314         script_data_segment_relro_end.
11315         * testsuite/relro_script_test.t: New file.
11316         * testsuite/relro_test.cc (using_script): Declare.
11317         (t1, t2): Test using_script.
11318         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
11319         (relro_script_test_SOURCES): Define.
11320         (relro_script_test_DEPENDENCIES): Define.
11321         (relro_script_test_LDFLAGS): Define.
11322         (relro_script_test_LDADD): Define.
11323         (relro_script_test.so): New target.
11324         * testsuite/Makefile.in: Rebuild.
11325
11326 2008-08-06  Cary Coutant <ccoutant@google.com>
11327
11328         * archive.cc (Archive::total_archives, Archive::total_members)
11329         (Archive::total_members_loaded): New variables.
11330         (Archive::setup): Add parameter.  Add option to preread
11331         archive symbols.
11332         (Archive::read_armap): Add counter.
11333         (Archive::get_file_and_offset): New function.
11334         (Archive::get_elf_object_for_member): New function.
11335         (Archive::read_all_symbols): New function.
11336         (Archive::read_symbols): New function.
11337         (Archive::add_symbols): Add counters.
11338         (Archive::include_all_members): Use armap to find members if it's
11339         already built.
11340         (Archive::include_member): Skip reading symbols if already read.
11341         Factored code into Archive::get_file_and_offset and
11342         Archive::get_elf_object_for_member.  Changed call to
11343         Mapfile::report_include_archive_member.
11344         (Archive::print_stats): New function.
11345         * archive.h: Declare Object and Read_symbols_data classes.
11346         (Archive::Archive): Add initializers for new members.
11347         (Archive::setup): Add parameter.
11348         (Archive::print_stats): New function.
11349         (Archive::total_archives, Archive::total_members)
11350         (Archive::total_members_loaded): New variables.
11351         (Archive::get_file_and_offset): New function.
11352         (Archive::get_elf_object_for_member): New function.
11353         (Archive::read_all_symbols): New function.
11354         (Archive::read_symbols): New function.
11355         (Archive::Archive_member): New class.
11356         (Archive::members_): New member.
11357         (Archive::num_members_): New member.
11358         * main.cc: Include archive.h.
11359         (main): Call Archive::print_stats.
11360         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11361         archive parameter; member_name is now the fully-decorated name.
11362         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11363         * options.h: (General_options): Add --preread-archive-symbols option.
11364         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11365         Archive::setup.
11366
11367 2008-08-04  Ian Lance Taylor  <iant@google.com>
11368
11369         * symtab.h (Symbol::use_plt_offset): New function.
11370         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
11371         * powerpc.cc (Relocate::relocate): Likewise.
11372         * sparc.cc (Relocate::relocate): Likewise.
11373         * x86_64.cc (Relocate::relocate): Likewise.
11374         * testsuite/weak_plt.sh: New test.
11375         * testsuite/weak_plt_main.cc: New test.
11376         * testsuite/weak_plt_shared.cc: New test.
11377         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
11378         (check_PROGRAMS): Add weak_plt.
11379         (check_DATA): Add weak_plt_shared.so.
11380         (weak_plt_main_pic.o, weak_plt): New targets.
11381         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
11382         * testsuite/Makefile.in: Rebuild.
11383
11384         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
11385         gcctestdir/ld.
11386         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
11387         * testsuite/Makefile.in: Rebuild.
11388
11389 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
11390
11391         * Makefile.am (POTFILES.in): Set LC_ALL=C.
11392         * Makefile.in: Regenerate.
11393         * po/POTFILES.in: Regenerate.
11394
11395 2008-07-29  Ian Lance Taylor  <iant@google.com>
11396
11397         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11398         symbols before other symbols.
11399         * testsuite/script_test_2.cc (test_addr): Declare.
11400         (test_addr_alias): Declare.
11401         (main): Check that test_addr and test_addr_alias have the right
11402         values.
11403         * testsuite/script_test_2.t: Define test_addr_alias and
11404         test_addr.
11405
11406 2008-07-24  Ian Lance Taylor  <iant@google.com>
11407
11408         PR 5990
11409         * descriptors.cc: New file.
11410         * descriptors.h: New file.
11411         * gold-threads.h (class Hold_optional_lock): New class.
11412         * fileread.cc: Include "descriptors.h".
11413         (File_read::~File_read): Release descriptor rather than closing
11414         it.
11415         (File_read::open) [file]: Call open_descriptor rather than open.
11416         Set is_descriptor_opened_.
11417         (File_read::open) [memory]: Assert that descriptor is not open.
11418         (File_read::reopen_descriptor): New function.
11419         (File_read::release): Release descriptor.
11420         (File_read::do_read): Make non-const.  Reopen descriptor.
11421         (File_read::read): Make non-const.
11422         (File_read::make_view): Reopen descriptor.
11423         (File_read::do_readv): Likewise.
11424         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11425         Update declarations.
11426         * layout.cc: Include "descriptors.h".
11427         (Layout::create_build_id): Use open_descriptor rather than open.
11428         * output.cc: Include "descriptors.h".
11429         (Output_file::open): Use open_descriptor rather than open.
11430         * archive.cc (Archive::const_iterator): Change Archive to be
11431         non-const.
11432         (Archive::begin, Archive::end): Make non-const.
11433         (Archive::count_members): Likewise.
11434         * archive.h (class Archive): Update declarations.
11435         * object.h (Object::read): Make non-const.
11436         * Makefile.am (CCFILES): Add descriptors.cc.
11437         (HFILES): Add descriptors.h.
11438         * Makefile.in: Rebuild.
11439
11440         PR 6716
11441         * gold.h: Always include <clocale>.  Add Solaris workarounds
11442         following code in binutils/sysdep.h.
11443
11444         PR 6048
11445         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11446         this->eh_frame_hdr_ is NULL before using it.
11447
11448         * dynobj.cc (Versions::Versions): Update comment.
11449
11450         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11451         the base version name.
11452
11453         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11454         array size plus one.
11455         (Stringpool_template::set_string_offsets): Subtract one from key
11456         before using it as an array index.
11457         (Stringpool_template::get_offset_with_length): Likewise.
11458         (Stringpool_template::write_to_buffer): Likewise.
11459         * stringpool.h (Stringpool_template::get_offset_from_key):
11460         Likewise.
11461
11462 2008-07-23  Ian Lance Taylor  <iant@google.com>
11463
11464         PR 6658
11465         * object.h (Merged_symbol_value::value): Do our best to handle a
11466         negative addend.
11467
11468         PR 6647
11469         * script.cc (Version_script_info::get_versions): Don't add empty
11470         version tag to return value.
11471         (Version_script_info::get_symbol_version_helper): Change return
11472         type to bool.  Add pversion parameter.  Change all callers.
11473         (script_register_vers_node): Don't require a non-NULL tag.
11474         * script.h (class Version_script_info): Update declarations.
11475         (Version_script_info::get_symbol_version): Change return type to
11476         bool.  Add version parameter.  Change all callers.
11477         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11478         handling.  Handle an empty version from a version script.
11479         (Symbol_table::define_special_symbol): Likewise.
11480         * testsuite/ver_test_10.script: New file.
11481         * testsuite/ver_test_10.sh: New file.
11482         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11483         (check_DATA): Add ver_test_10.syms.
11484         (ver_test_10.syms, ver_test_10.so): New target.
11485         * testsuite/Makefile.in: Rebuild.
11486
11487 2008-07-23  Simon Baldwin  <simonb@google.com>
11488
11489         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11490         to zero for undefined symbols from dynamic libraries.
11491
11492 2008-07-23  Ian Lance Taylor  <iant@google.com>
11493
11494         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11495         Change all callers.
11496         * symtab.h (class Symbol_table): Update declaration.
11497         * testsuite/ver_test_9.cc: New file.
11498         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11499         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11500         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11501         (ver_test_9.so, ver_test_9.o): New targets.
11502         * testsuite/Makefile.in: Rebuild.
11503
11504 2008-07-22  Ian Lance Taylor  <iant@google.com>
11505
11506         * options.h (class General_options): Define --check-sections.
11507         * layout.cc (Layout::set_segment_offsets): Handle
11508         --check-sections.
11509
11510         * options.h (class General_options): Define -n/--nmagic and
11511         -N/--omagic.
11512         * options.cc (General_options::finalize): For -n/--nmagic or
11513         -N/--omagic, set -static.
11514         * layout.cc (Layout::attach_allocated_section_to_segment): If
11515         -N/--omagic, don't put read-only and read-write sections in
11516         different segments.
11517         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11518         finding a read-only segment.
11519         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11520         don't set the minimum segment alignment to the common page size,
11521         and don't set the file offset to the address modulo the page size.
11522         * script-sections.cc (Script_sections::create_segments): If
11523         -n/--omagic, don't put read-only and read-write sections in
11524         different segments.
11525
11526         * cref.cc: New file.
11527         * cref.h: New file.
11528         * options.h (class General_options): Add --print-symbol-counts.
11529         * main.cc (main): Issue defined symbol report if requested.
11530         * archive.cc (Archive::interpret_header): Make into a const member
11531         function.
11532         (Archive::add_symbols): Call Input_objects::archive_start and
11533         archive_stop.
11534         (Archive::const_iterator): Define new class.
11535         (Archive::begin, Archive::end): New functions.
11536         (Archive::include_all_members): Rewrite to use iterator.
11537         (Archive::count_members): New function.
11538         * archive.h (class Archive): Update declarations.
11539         (Archive::filename): New function.
11540         * object.cc: Include "cref.h".
11541         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11542         (Sized_relobj::do_get_global_symbol_counts): New function.
11543         (Input_objects::add_object): Add object to cross-referencer.
11544         (Input_objects::archive_start): New function.
11545         (Input_objects::archive_stop): New function.
11546         (Input_objects::print_symbol_counts): New function.
11547         * object.h: Declare Cref and Archive.
11548         (Object::get_global_symbol_counts): New function.
11549         (Object::do_get_global_symbol_counts): New pure virtual function.
11550         (class Sized_relobj): Add defined_count_ field.  Update
11551         declarations.
11552         (class Input_objects): Add cref_ field.  Update constructor.
11553         Update declarations.
11554         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11555         defined_count_.
11556         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11557         symbol counts.
11558         (Sized_dynobj::do_get_global_symbol_counts): New function.
11559         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11560         defined_count_.  Update declarations.  Define Symbols typedef.
11561         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11562         parameter.  Change all callers.
11563         (Symbol_table::add_from_dynobj): Add sympointers and defined
11564         parameters.  Change all callers.
11565         * symtab.h (class Symbol_table): Update declarations.
11566         * Makefile.am (CCFILES): Add cref.cc.
11567         (HFILES): Add cref.h.
11568         * Makefile.in: Rebuild.
11569
11570 2008-07-22  Simon Baldwin  <simonb@google.com>
11571
11572         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11573         to zero when writing undefined symbols.
11574
11575 2008-07-22  Ian Lance Taylor  <iant@google.com>
11576
11577         * output.cc (Output_section::add_input_section): Don't try to
11578         merge empty merge sections.
11579
11580 2008-07-21  Craig Silverstein  <csilvers@google.com>
11581
11582         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11583         Include symbol version in error message.
11584
11585 2008-07-20  Chris Demetriou  <cgd@google.com>
11586
11587         * configure.ac (gold_cv_c_random_seed): New configured variable.
11588         (RANDOM_SEED_CFLAGS): New substituted variable.
11589         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11590         * configure: Rebuild.
11591         * Makefile.in: Likewise.
11592         * testsuite/Makefile.in: Likewise.
11593
11594 2008-07-18  Ian Lance Taylor  <iant@google.com>
11595
11596         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11597         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11598         * testsuite/ver_test_main.cc (main): Call t4.
11599         (t4, t4_2a): Define.
11600         * testsuite/ver_test_2.cc (t4_2): Define.
11601         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11602         * testsuite/ver_test_4.cc (t4_2a): Define.
11603         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11604         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11605
11606 2008-07-17  Ian Lance Taylor  <iant@google.com>
11607
11608         * dynobj.cc (Versions::add_def): If we give an error about a
11609         missing version, go ahead and create the version anyhow.
11610
11611 2008-07-10  Ian Lance Taylor  <iant@google.com>
11612
11613         Handle output sections with more than 0x7fffffff bytes.
11614         * object.h (class Relobj): Change map_to_output_ to
11615         output_sections_, and just keep a section pointer.  Change all
11616         uses.  Move comdat group support to Sized_relobj.
11617         (Relobj::is_section_specially_mapped): Remove.
11618         (Relobj::output_section): Remove poff parameter.  Change all
11619         callers.
11620         (Relobj::output_section_offset): New function.
11621         (Relobj::set_section_offset): Rewrite.
11622         (Relobj::map_to_output): Remove.
11623         (Relobj::output_sections): New function.
11624         (Relobj::do_output_section_offset): New pure virtual function.
11625         (Relobj::do_set_section_offset): Likewise.
11626         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11627         group support from Relobj.  Update declarations.
11628         (Sized_relobj::get_output_section_offset): New function.
11629         (Sized_relobj::do_output_section_offset): New function.
11630         (Sized_relobj::do_set_section_offset): New function.
11631         * object.cc (Relobj::output_section_address): Remove.
11632         (Sized_relobj::Sized_relobj): Initialize new fields.
11633         (Sized_relobj::include_section_group): Cast find_kept_object to
11634         Sized_relobj.
11635         (Sized_relobj::include_linkonce_section): Likewise.
11636         (Sized_relobj::do_layout): Use separate arrays for output section
11637         and output offset.
11638         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11639         output_sections.
11640         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11641         output_sections and section_offsets.
11642         (Sized_relobj::write_local_symbols): Likewise.
11643         (map_to_kept_section): Compute output address directly.
11644         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11645         output_sections and section_offsets.
11646         (Sized_relobj::write_sections): Likewise.
11647         (Sized_relobj::relocate_sections): Likewise.
11648         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11649         * output.h (class Output_reloc): Update declarations.  Change
11650         u2_.relobj to Sized_relobj*.
11651         (class Output_data_reloc): Change add functions to use
11652         Sized_relobj*.
11653         * output.cc (Output_reloc::Output_reloc): Change relobj to
11654         Sized_relobj*.
11655         (Output_reloc::local_section_offset): Change return type to
11656         Elf_Addr.  Use get_output_section_offset.
11657         (Output_reloc::get_address): Likewise.
11658         (Output_section::is_input_address_mapped): Don't call
11659         is_section_specially_mapped.
11660         (Output_section::output_offset): Likewise.
11661         (Output_section::output_address): Likewise.
11662         (Output_section::starting_output_address): Likewise.
11663         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11664         parameter to Sized_relobj*.
11665         (Copy_relocs::need_copy_reloc): Likewise.
11666         (Copy_relocs::save): Likewise.
11667         * copy-relocs.h (class Copy_relocs): Update declarations.
11668         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11669         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11670         * target-reloc.h (relocate_for_relocatable): Change
11671         offset_in_output_section type to Elf_Addr.  Change code that uses
11672         it as well.
11673         * layout.cc (Layout::layout): Always set *off.
11674         * mapfile.cc (Mapfile::print_input_section): Use
11675         output_section_offset.
11676         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11677         Sized_relobj*.
11678         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11679         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11680         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11681
11682 2008-07-03  Ian Lance Taylor  <iant@google.com>
11683
11684         * layout.cc (Layout::include_section): Do not discard unrecognized
11685         SHT_STRTAB sections.
11686
11687 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11688
11689         * script.cc (Lex::can_continue_name): Make '?' allowable in
11690         version-script names.
11691         * testsuite/version_script.map: Change glob pattern to use '?'
11692
11693 2008-06-30  Manish Singh  <yosh@gimp.org>
11694
11695         PR 6585
11696         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11697         Correct typo.
11698
11699 2008-06-30  Ian Lance Taylor  <iant@google.com>
11700
11701         PR 6660
11702         PR 6682
11703         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11704         versions]: Don't try to read the value in the contents, since we
11705         don't use it.  Use the template endianness when writing.
11706
11707 2008-06-25  Cary Coutant  <ccoutant@google.com>
11708
11709         * fileread.cc (File_read::make_view): Assert on zero-length view.
11710         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11711         symbol table when there are no symbols to read.
11712
11713 2008-06-23  Craig Silverstein  <csilvers@google.com>
11714
11715         * version.cc (version_string): Bump to 1.7
11716
11717 2008-06-18  Craig Silverstein  <csilvers@google.com>
11718
11719         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11720         constant 0xFFFF to type Valtype.
11721         (Powerpc_relocate_functions::rel16_ha): Likewise.
11722
11723 2008-06-17  Ian Lance Taylor  <iant@google.com>
11724
11725         * output.h (Output_section::Input_section): Initialize p2align_ to
11726         zero for Output_section_data constructors.
11727         (Output_section::Input_section::addralign): If not an input
11728         section, return the alignment of the Output_section_data.
11729         * testsuite/copy_test.cc: New file.
11730         * testsuite/copy_test_1.cc: New file.
11731         * testsuite/copy_test_2.cc: New file.
11732         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11733         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11734         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11735         (copy_test_1_pic.o, copy_test_1.so): New targets.
11736         (copy_test_2_pic.o, copy_test_2.so): New targets.
11737         * testsuite/Makefile.in: Rebuild.
11738
11739         * script-sections.cc (Script_sections::place_orphan): Initialize
11740         local variable exact.
11741
11742 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11743
11744         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11745
11746 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11747             David S. Miller  <davem@davemloft.net>
11748
11749         * powerpc.cc: New file.
11750         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11751         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11752         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11753         * Makefile.in: Rebuild.
11754
11755 2008-06-09  Ian Lance Taylor  <iant@google.com>
11756
11757         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11758         <exception>.
11759         (throwing, orig_terminate): New static variables.
11760         (terminate_handler): New static function.
11761         (t2): Set terminate handler.
11762
11763 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11764
11765         PR 6584
11766         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11767         alignment.
11768
11769 2008-05-30  Cary Coutant  <ccoutant@google.com>
11770
11771         * archive.cc (Archive::include_all_members) Correct to step
11772         over symbol table and extended name table in thin archives.
11773
11774 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11775
11776         PR 6407
11777         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11778         calculation.
11779
11780 2008-05-28  Caleb Howe  <cshowe@google.com>
11781
11782         * reduced_debug_output.cc: New file.
11783         * reduced_debug_output.h: New file.
11784         * options.h (class General_options): Add --strip-debug-non-line.
11785         * options.cc (General_options::finalize): Add strip_debug_non_line
11786         to the strip heirarchy.
11787         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11788         fields.
11789         * layout.cc: Include "reduced_debug_output.h".
11790         (Layout::Layout): Initialize new fields.
11791         (line_only_debug_sections): New static array.
11792         (is_lines_only_debug_sections): New static inline function.
11793         (Layout::include_section): Handle --strip-debug-non-line.
11794         (Layout::make_output_section): If --strip-debug-non-line, build
11795         new output sections for .debug_abbrev and .debug_info.
11796         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11797         gold.  Warn about possible overflow.
11798         (read_signed_LEB_128): Likewise.
11799         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11800         (read_signed_LEB_128): Declare.
11801         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11802         (HFILES): Add reduced_debug_output.h.
11803         * Makefile.in: Rebuild.
11804
11805 2008-05-21  Ian Lance Taylor  <iant@google.com>
11806
11807         * mapfile.cc: New file.
11808         * mapfile.h: New file.
11809         * options.h (class General_options): Add -M/--print-map and -Map.
11810         * options.cc (General_options::finalize): Make -M equivalent to
11811         -Map -.
11812         * main.cc: Include <cstdio> and "mapfile.h".
11813         (main): Open mapfile if requested.
11814         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11815         constructor.  Change caller.
11816         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11817         (queue_middle_tasks): Likewise.
11818         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11819         declarations.
11820         * archive.cc: Include "mapfile.h".
11821         (Archive::add_symbols): Add mapfile parameter.  Change all
11822         callers.  Pass mapfile, symbol, and reason to include_member.
11823         (Archive::include_all_members): Add mapfile parameter.  Change all
11824         callers.
11825         (Archive::include_member): Add mapfile, sym, and why parameters.
11826         Change all callers.  Report inclusion to map file.
11827         * archive.h: Include "fileread.h".
11828         (class Archive): Update declarations.
11829         (Archive::file): New const method.
11830         (class Add_archive_symbols): Add mapfile_ field.  Update
11831         constructor.  Change all callers.
11832         * readsyms.h (class Read_symbols): Likewise.
11833         (class Finish_group): Likewise.
11834         (class Read_script): Likewise.
11835         * common.cc: Include "mapfile.h".
11836         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11837         all callers.
11838         (Symbol_table::do_allocate_commons): Likewise.
11839         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11840         symbol allocation to mapfile.
11841         * common.h (class Allocate_commons_task): Add mapfile_ field.
11842         Update constructor.  Change all callers.
11843         * symtab.h (class Symbol_table): Update declarations.
11844         * layout.cc: Include "mapfile.h".
11845         (Layout_task_runner::run): Print information to mapfile.
11846         (Layout::create_gold_note): Change Output_data_fixed_space to
11847         Output_data_zero_fill.
11848         (Layout::create_build_id): Likewise.
11849         (Layout::print_to_mapfile): New function.
11850         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11851         constructor.  Change caller.
11852         (class Layout): Declare print_to_mapfile.
11853         * output.cc (Output_section::Input_section::print_to_mapfile): New
11854         function.
11855         (Output_section::add_input_section): If producing a map, always
11856         add to input_sections_ list.
11857         (Output_section::do_print_to_mapfile): New function.
11858         (Output_segment::print_sections_to_mapfile): New function.
11859         (Output_segment::print_section_list_to_mapfile): New function.
11860         * output.h: Include "mapfile.h".
11861         (Output_data::print_to_mapfile): New function.
11862         (Output_data::do_print_to_mapfile): New virtual function.
11863         (Output_segment_headers::do_print_to_mapfile): New function.
11864         (Output_file_header::do_print_to_mapfile): New function.
11865         (Output_data_const::do_print_to_mapfile): New function.
11866         (class Output_data_const_buffer): Add map_name_ field.  Update
11867         constructor.  Change all callers.  Add do_print_to_mapfile
11868         function.
11869         (class Output_data_fixed_space): Likewise.
11870         (class Output_data_space): Likewise.
11871         (class Output_data_zero_fill): New class.
11872         (Output_data_strtab::do_print_to_mapfile): New function.
11873         (Output_data_reloc_base::do_print_to_mapfile): New function.
11874         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11875         (Output_data_group::do_print_to_mapfile): New function.
11876         (Output_data_got::do_print_to_mapfile): New function.
11877         (Output_data_dynamic::do_print_to_mapfile): New function.
11878         (Output_symtab_xindex::do_print_to_mapfile): New function.
11879         (class Output_section): Declare do_print_to_mapflie.  Declare
11880         print_to_mapfile in Input_section.
11881         (class Output_segment): Declare new functions.
11882         * object.h (Sized_relobj::symbol_count): New function.
11883         * script-sections.cc
11884         (Output_section_element_dot_assignment::set_section_addresses):
11885         Change Output_data_fixed_space to Output_data_zero_fill.
11886         (Output_data_expression::do_print_to_mapfile): New function.
11887         * script.cc (read_input_script): Add mapfile parameter.  Change
11888         all callers.
11889         * script.h (read_input_script): Update declaration.
11890         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11891         (Eh_frame::do_print_to_mapfile): New function.
11892         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11893         (Output_merge_string::do_print_to_mapfile): New function.
11894         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11895         function.
11896         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11897         function.
11898         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11899         function.
11900         * Makefile.am (CCFILES): Add mapfile.cc.
11901         (HFILES): Add mapfile.h.
11902         * Makefile.in: Rebuild.
11903
11904 2008-05-19  Ian Lance Taylor  <iant@google.com>
11905
11906         * options.h (class General_options): Add -z relro.
11907         * layout.cc (Layout::Layout): Initialize relro_segment_.
11908         (Layout::add_output_section_data): Return the output section.
11909         (Layout::make_output_section): Rcognize relro sections and mark
11910         them appropriately.
11911         (Layout::attach_allocated_section_to_segment): Put relro sections
11912         in a PT_GNU_RELRO segment.
11913         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11914         section as relro.
11915         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11916         PT_TLS segments.
11917         (Layout::linkonce_mapping): Map d.rel.ro.local to
11918         .data.rel.ro.local.
11919         (Layout::output_section_name): Us .data.rel.ro.local for any
11920         section which begins with that.
11921         * layout.h (class Layout): Update add_output_section_data
11922         declaration.  Add relro_segment_ field.
11923         * output.cc (Output_section::Output_section): Initialize is_relro_
11924         and is_relro_local_ fields.
11925         (Output_segment::add_output_section): Group relro sections.
11926         (Output_segment::is_first_section_relro): New function.
11927         (Output_segment::maximum_alignment): If there is a relro section,
11928         align the segment to the common page size.
11929         (Output_segment::set_section_addresses): Track whether we are
11930         looking at relro sections.  If the last section is a relro
11931         section, align to the common page size.
11932         (Output_segment::set_section_list_addresses): Add in_relro
11933         parameter.  Change all callers.  Align to the page size when
11934         moving from relro to non-relro section.
11935         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11936         segment.
11937         * output.h (class Output_section): Add is_relro_ and
11938         is_relro_local_ fields.
11939         (Output_section::is_relro): New function.
11940         (Output_section::set_is_relro): New function.
11941         (Output_section::is_relro_local): New function.
11942         (Output_section::set_is_relro_local): New function.
11943         (class Output_segment): Update declarations.
11944         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11945         * sparc.cc (Target_sparc::got_section): Likewise.
11946         * x86_64.cc (Target_x86_64::got_section): Likewise.
11947         * testsuite/relro_test_main.cc: New file.
11948         * testsuite/relro_test.cc: New file.
11949         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11950         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11951         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11952         (relro_test.so, relro_test_pic.o): New targets.
11953         * testsuite/Makefile.in: Rebuild.
11954
11955 2008-05-16  Ian Lance Taylor  <iant@google.com>
11956
11957         * output.cc (Output_segment::add_output_section): Remove front
11958         parameter.
11959         * output.h (class Output_segment): Remove
11960         add_initial_output_section and overloaded add_output_section.
11961         Update declaration of remaining add_output_section.
11962         * layout.cc (Layout::create_interp): Call add_output_section
11963         rather than add_initial_output_section.
11964         (Layout::finish_dynamic_section): Likewise.
11965
11966         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11967         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11968         know the dynamic type.
11969         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11970         field.  Initialize it in constructor.
11971         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11972         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11973         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11974         reloc.
11975
11976         * output.cc (Output_reloc::get_address): Change return type to
11977         Elf_Addr.
11978         * output.h (class Output_reloc): Update get_address declaration.
11979         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11980         for section addresses.
11981
11982 2008-05-09  Ian Lance Taylor  <iant@google.com>
11983
11984         PR 6493
11985         * gold.cc (gold_nomem): Use return value of write.
11986
11987 2008-05-08  Ian Lance Taylor  <iant@google.com>
11988
11989         * symtab.c (Symbol::init_base_output_data): Add version
11990         parameter.  Change all callers.
11991         (Symbol::init_base_output_segment): Likewise.
11992         (Symbol::init_base_constant): Likewise.
11993         (Symbol::init_base_undefined): Likewise.
11994         (Sized_symbol::init_output_data): Likewise.
11995         (Sized_symbol::init_output_segment): Likewise.
11996         (Sized_symbol::init_constant): Likewise.
11997         (Sized_symbol::init_undefined): Likewise.
11998         (Symbol_table::do_define_in_output_data): If the new symbol has a
11999         version, mark it as the default.
12000         (Symbol_table::do_define_in_output_segment): Likewise.
12001         (Symbol_table::do_define_as_constant): Likewise.
12002         * symtab.h (class Symbol): Update declarations.
12003         (class Sized_symbol): Likewise.
12004         * resolve.cc (Symbol::override_version): New function.
12005         (Symbol::override_base): Call override_version.
12006         (Symbol::override_base_with_special): Likewise.
12007         * testsuite/ver_script_8.script: New file.
12008         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12009         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12010         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12011         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12012
12013 2008-05-06  Ian Lance Taylor  <iant@google.com>
12014
12015         PR 6049
12016         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12017         functions.
12018         (class General_options): Remove existing --undefined, and add
12019         --no-undefined instead.  Add new --undefined as synonym for -u.
12020         * archive.cc (Archive::add_symbols): Check whether symbol was
12021         named with -u.
12022         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12023         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12024         all uses.  Add IS_UNDEFINED.  Update declarations to split
12025         different versions of init_base.  Declare init_base_undefined.
12026         (Symbol::is_defined): Handle IS_UNDEFINED.
12027         (Symbol::is_undefined): Likewise.
12028         (Symbol::is_weak_undefined): Call is_undefined.
12029         (Symbol::is_absolute): Handle IS_CONSTANT.
12030         (class Sized_symbol): Update declarations to split different
12031         versions of init.  Declare init_undefined.
12032         (class Symbol_table): Declare new functions.
12033         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12034         Change all callers.
12035         (Symbol::init_base_output_data): Likewise.
12036         (Symbol::init_base_output_segment): Likewise.
12037         (Symbol::init_base_constant): Likewise.
12038         (Symbol::init_base_undefined): New function.
12039         (Sized_symbol::init_object): Rename from init.  Change all
12040         callers.
12041         (Sized_symbol::init_output_data): Likewise.
12042         (Sized_symbol::init_output_segment): Likewise.
12043         (Sized_symbol::init_constant): Likewise.
12044         (Sized_symbol::init_undefined): New function.
12045         (Symbol_table::add_undefined_symbols_from_command_line): New
12046         function.
12047         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12048         function.
12049         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12050         (Symbol::output_section): Likewise.
12051         (Symbol::set_output_section): Likewise.
12052         (Symbol_table::sized_finalize_symbol): Likewise.
12053         (Symbol_table::sized_write_globals): Likewise.
12054         * resolve.cc (Symbol_table::should_override): Likewise.
12055         (Symbol::override_base_with_special): Likewise.
12056
12057         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12058         symbol, change it to have default visibility.
12059         * testsuite/protected_1.cc: New file.
12060         * testsuite/protected_2.cc: New file.
12061         * testsuite/protected_3.cc: New file.
12062         * testsuite/protected_main_1.cc: New file.
12063         * testsuite/protected_main_2.cc: New file.
12064         * testsuite/protected_main_3.cc: New file.
12065         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12066         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12067         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12068         (protected_1.so): New target.
12069         (protected_1_pic.o, protected_2_pic.o): New targets.
12070         (protected_3_pic.o): New target.
12071         (check_PROGRAMS): Add protected_2.
12072         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12073         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12074         * testsuite/Makefile.in: Rebuild.
12075
12076         * options.h (DEFINE_var): Add set_user_set_##varname__.
12077         (DEFINE_bool_alias): New macro.
12078         (class General_options): Define -Bstatic using DEFINE_bool_alias
12079         rather than DEFINE_special.  Add --undefined as an alias for -z
12080         defs.
12081         * options.cc (General_options::parse_Bstatic): Remove.
12082
12083         * options.h (class General_options): Add --fatal-warnings.
12084         * main.cc (main): Implement --fatal-warnings.
12085         * errors.h (Errors::warning_count): New function.
12086
12087         * options.h (class General_options): Add -Bsymbolic-functions.
12088         * symtab.h (Symbol::is_preemptible): Check for
12089         -Bsymbolic-functions.
12090
12091 2008-05-05  Ian Lance Taylor  <iant@google.com>
12092
12093         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12094         as noVARNAME rather than no-VARNAME.
12095         (class General_options): Add option -z combreloc.
12096         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12097         get_address.
12098         (Output_reloc::sort_before) [SHT_REL]: New function.
12099         (Output_reloc::sort_before) [SHT_RELA]: New function.
12100         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12101         Sort_relocs_comparison.
12102         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12103         parameter.  Change all callers.
12104         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12105         sort_relocs parameter.  Change all callers.
12106         * output.cc (Output_reloc::get_address): New function, broken out
12107         of write_rel.
12108         (Output_reloc::write_rel): Call it.
12109         (Output_reloc::compare): New function.
12110         (Output_data_reloc_base::do_write): Optionally sort relocs.
12111
12112         * configure.ac: If targ_extra_obj is set, link it in.
12113         * configure.tgt: Initialize all variables.
12114         (x86_64*): Set targ_extra_obj and targ_extra_size.
12115         * configure: Rebuild.
12116
12117         * object.cc (Sized_relobj::include_section_group): Adjust section
12118         indexes read from group data.  Build vector to pass to
12119         layout_group.
12120         * layout.cc (Layout::layout_group): Add flags and shndxes
12121         parameters.  Remove contents parameter.  Change caller.  Update
12122         explicit instantiations.
12123         * layout.h (class Layout): Update layout_group declaration.
12124         * output.cc (Output_data_group::Output_data_group): Add flags and
12125         input_shndxes parameters.  Remove contents parameter.  Change
12126         caller.
12127         (Output_data_group::do_write): Change input_sections_ to
12128         input_shndxes_.
12129         * output.h (class Output_data_group): Update constructor
12130         declaration.  Rename input_sections_ to input_shndxes_.
12131         * testsuite/many_sections_test.cc: Add template.
12132
12133 2008-04-30  Cary Coutant  <ccoutant@google.com>
12134
12135         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12136
12137         * layout.cc (Layout::include_section): Refactored check for debug
12138         info section.
12139         (Layout::add_comdat): Add new parameters.  Change type
12140         of signature parameter.  Add object and shndx to signatures table.
12141         (Layout::find_kept_object): New function.
12142         * layout.h: Include <cstring>.
12143         (Layout::is_debug_info_section): New function.
12144         (Layout::add_comdat): Add new parameters.
12145         (Layout::find_kept_object): New function.
12146         (Layout::Kept_section): New struct.
12147         (Layout::Signatures): Change type of map range.
12148         * object.cc (Relobj::output_section_address): New function.
12149         (Sized_relobj::include_section_group): Add new parameters.  Change
12150         calls to Layout::add_comdat.  Change to build table of kept comdat
12151         groups and table mapping discarded sections to kept sections.
12152         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12153         (Sized_relobj::do_layout): Change calls to include_section_group and
12154         include_linkonce_section.
12155         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12156         value to zero when section is discarded.
12157         (Sized_relobj::map_to_kept_section): New function.
12158         * object.h (Relobj::output_section_address): New function.
12159         (Relobj::Comdat_group): New type.
12160         (Relobj::find_comdat_group): New function.
12161         (Relobj::Comdat_group_table): New type.
12162         (Relobj::Kept_comdat_section): New type.
12163         (Relobj::Kept_comdat_section_table): New type.
12164         (Relobj::add_comdat_group): New function.
12165         (Relobj::set_kept_comdat_section): New function.
12166         (Relobj::get_kept_comdat_section): New function.
12167         (Relobj::comdat_groups_): New field.
12168         (Relobj::kept_comdat_sections_): New field.
12169         (Symbol_value::input_value): Update comment.
12170         (Sized_relobj::map_to_kept_section) New function.
12171         (Sized_relobj::include_linkonce_section): Add new parameter.
12172         * target-reloc.h (Comdat_behavior): New type.
12173         (get_comdat_behavior): New function.
12174         (relocate_section): Add code to map a discarded section to the
12175         corresponding kept section when applying a relocation.
12176
12177 2008-04-30  Craig Silverstein  <csilvers@google.com>
12178
12179         * dwarf_reader.cc (next_generation_count): New static var.
12180         (Addr2line_cache_entry): New struct.
12181         (addr2line_cache): New static var.
12182         (Dwarf_line_info::one_addr2line): Added caching.
12183         (Dwarf_line_info::clear_addr2line_cache): New function.
12184         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12185         cache-size parameter.
12186         (Dwarf_line_info::one_addr2line_cache): New function.
12187         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12188         new cache-size argument to one_addr2line(), and clear cache.
12189
12190 2008-04-28  Cary Coutant  <ccoutant@google.com>
12191
12192         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12193         R_386_PC8 relocations.
12194
12195 2008-04-23  Ian Lance Taylor  <iant@google.com>
12196
12197         * object.cc (Sized_relobj::include_section_group): Check for
12198         invalid section group.
12199
12200         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12201         header size.
12202
12203         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12204         than read for file header.
12205         * archive.cc (Archive::include_member): Likewise.
12206
12207 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12208
12209         * aclocal.m4: Regenerate.
12210         * configure: Regenerate.
12211
12212 2008-04-19  Ian Lance Taylor  <iant@google.com>
12213
12214         * version.cc (version_string): Bump to 1.6.
12215
12216         * testsuite/Makefile.am (many_sections_r_test): New target.
12217         (many_sections_r_test_SOURCES): Remove.
12218         (many_sections_r_test_DEPENDENCIES): Remove.
12219         (many_sections_r_test_LDFLAGS): Remove.
12220         (many_sections_r_test_LDADD): Remove.
12221
12222         * object.cc (Sized_relobj::do_add_symbols): Always pass
12223         local_symbol_count_ to add_from_relobj.
12224
12225         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12226         every thousand variables.
12227         * testsuite/Makefile.in: Rebuild.
12228
12229         * object.cc (Xindex::initialize_symtab_xindex): New function.
12230         (Xindex::read_symtab_xindex): New function.
12231         (Xindex::sym_xindex_to_shndx): New function.
12232         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12233         available.
12234         (Sized_relobj::do_initialize_xindex): New function.
12235         (Sized_relobj::do_read_symbols): Adjust section links.
12236         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12237         parameter.  Change all callers.
12238         (Sized_relobj::include_section_group): Adjust section links and
12239         symbol section indexes.
12240         (Sized_relobj::do_layout): Adjust section links.
12241         (Sized_relobj::do_count_local_symbols): Adjust section links and
12242         symbol section indexes.
12243         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12244         ordinary and special symbols.
12245         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12246         dynsym_xindex parameters.  Change all callers.  Adjust section
12247         links.  Use SHN_XINDEX when needed.
12248         (Sized_relobj::get_symbol_location_info): Adjust section links.
12249         Don't get fooled by special symbols.
12250         * object.h (class Xindex): Define.
12251         (class Object): Add xindex_ parameter.  Declare virtual functoin
12252         do_initialize_xindex.
12253         (Object::adjust_sym_shndx): New function.
12254         (Object::set_xindex): New protected function.
12255         (class Symbol_value): Add is_ordinary_shndx_ field.
12256         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12257         (Symbol_value::value): Assert ordinary section.
12258         (Symbol_value::initialize_input_to_output_map): Likewise.
12259         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12260         Change all callers.
12261         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12262         all callers.
12263         (class Sized_relobj): Update declarations.
12264         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12265         parameter.  Change all callers.
12266         (Sized_relobj::adjust_shndx): New function.
12267         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12268         field.
12269         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12270         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12271         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12272         (Sized_dynobj::read_dynsym_section): Adjust section links.
12273         (Sized_dynobj::read_dynamic): Likewise.
12274         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12275         section links.
12276         (Sized_dynobj::do_initialize_xindex): New function.
12277         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12278         do_initialize_xindex.
12279         (Sized_dynobj::adjust_shndx): New function.
12280         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12281         dynsym_xindex_ fields.
12282         (Layout::finalize): Add a call to set_section_indexes before
12283         creating the symtab sections.
12284         (Layout::set_section_indexes): Don't do anything if the section
12285         already has a section index.
12286         (Layout::create_symtab_sections): Add shnum parameter.  Change
12287         caller.  Create .symtab_shndx section if needed.
12288         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12289         caller.
12290         (Layout::allocated_output_section_count): New function.
12291         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12292         needed.
12293         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12294         fields.  Update declarations.
12295         (Layout::symtab_xindex): New function.
12296         (Layout::dynsym_xindex): New function.
12297         (class Write_symbols_task): Add layout_ field.
12298         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12299         Change caller.
12300         * output.cc (Output_section_headers::Output_section_headers): Add
12301         shstrtab_section parameter.  Change all callers.
12302         (Output_section_headers::do_sized_write): Store overflow values
12303         for section count and section string table section index in
12304         section header zero.
12305         (Output_file_header::do_sized_write): Check for overflow of
12306         section count and section string table section index.
12307         (Output_symtab_xindex::do_write): New function.
12308         (Output_symtab_xindex::endian_do_write): New function.
12309         * output.h (class Output_section_headers): Add shstrtab_section_.
12310         Update declarations.
12311         (class Output_symtab_xindex): Define.
12312         (Output_section::has_out_shndx): New function.
12313         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
12314         field.
12315         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
12316         Change all callers.
12317         (Sized_symbol::init): Likewise.
12318         (Symbol::output_section): Check for ordinary symbol.
12319         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
12320         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
12321         callers.
12322         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
12323         Change all callers.  Simplify handling of symbols from sections
12324         not included in the link.
12325         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12326         distinction.
12327         (Weak_alias_sorter::operator()): Assert that symbols are
12328         ordinary.
12329         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12330         distinction.
12331         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12332         parameters.  Change all callers.
12333         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12334         symbol distinction.  Use SHN_XINDEX when needed.
12335         (Symbol_table::write_section_symbol): Add symtab_xindex
12336         parameter.  Change all callers.
12337         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12338         SHN_XINDEX when needed.
12339         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12340         declarations.
12341         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12342         (Symbol::is_defined): Check is_ordinary.
12343         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12344         (Symbol::is_absolute, Symbol::is_common): Likewise.
12345         (class Sized_symbol): Update declarations.
12346         (class Symbol_table): Update declarations.
12347         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12348         parameters.  Change all callers.
12349         (Sized_symbol::override): Likewise.
12350         (Symbol_table::override): Likewise.
12351         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12352         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12353         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12354         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12355         to be in an ordinary section.
12356         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12357         object and is_ordinary parameters.  Change all callers.
12358         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12359         Change all callers.  Don't add undefined or non-ordinary symbols
12360         to reloc_map_.
12361         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12362         Change all callers.
12363         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12364         declarations.
12365         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12366         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12367         (Sized_relobj::relocate_sections): Likewise.
12368         * target-reloc.h (scan_relocs): Adjust section symbol index.
12369         (scan_relocatable_relocs): Likewise.
12370         * i386.cc (Scan::local): Check for ordinary symbols.
12371         * sparc.cc (Scan::local): Likewise.
12372         * x86_64.cc (Scan::local): Likewise.
12373         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
12374         to symbol_section_and_value.
12375         * testsuite/many_sections_test.cc: New file.
12376         * testsuite/Makefile.am (BUILT_SOURCES): Define.
12377         (check_PROGRAMS): Add many_sections_test.
12378         (many_sections_test_SOURCES): Define.
12379         (many_sections_test_DEPENDENCIES): Define.
12380         (many_sections_test_LDFLAGS): Define.
12381         (BUILT_SOURCES): Add many_sections_define.h.
12382         (many_sections_define.h): New target.
12383         (BUILT_SOURCES): Add many_sections_check.h.
12384         (many_sections_check.h): New target.
12385         (check_PROGRAMS): Add many_sections_r_test.
12386         (many_sections_r_test_SOURCES): Define.
12387         (many_sections_r_test_DEPENDENCIES): Define.
12388         (many_sections_r_test_LDFLAGS): Define.
12389         (many_sections_r_test_LDADD): Define.
12390         (many_sections_r_test.o): New target.
12391         * testsuite/Makefile.in: Rebuild.
12392
12393 2008-04-17  Cary Coutant  <ccoutant@google.com>
12394
12395         * errors.cc (Errors::info): New function.
12396         (gold_info): New function.
12397         * errors.h (Errors::info): New function.
12398         * gold.h (gold_info): New function.
12399         * object.cc (Input_objects::add_object): Print trace output.
12400         * options.cc (options::parse_set): New function.
12401         (General_options::parse_wrap): Deleted.
12402         (General_options::General_options): Deleted initializer.
12403         * options.h (options::String_set): New typedef.
12404         (options::parse_set): New function.
12405         (DEFINE_set): New macro.
12406         (General_options::wrap): Changed to use DEFINE_set. Changed
12407         callers of any_wrap_symbols and is_wrap_symbol.
12408         (General_options::trace, General_options::trace_symbol):
12409         New options.
12410         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12411         (General_options::wrap_symbols_): Deleted.
12412         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12413
12414 2008-04-17  David S. Miller  <davem@davemloft.net>
12415
12416         * options.cc (General_options::parse_V): New function.
12417         * options.h: Add entries for -V and -Qy.
12418
12419 2008-04-17  Ian Lance Taylor  <iant@google.com>
12420
12421         * common.cc (Symbol_table::allocate_commons): Remove options
12422         parameter.  Change caller.
12423         (Symbol_table::do_allocate_commons): Remove options parameter.
12424         Change caller.  Just call do_allocate_commons_list twice.
12425         (Symbol_table::do_allocate_commons_list): New function, broken out
12426         of do_allocate_commons.
12427         * common.h (class Allocate_commons_task): Remove options_ field.
12428         Update constructor.
12429         * symtab.cc (Symbol_table::Symbol_table): Initialize
12430         tls_commons_.
12431         (Symbol_table::add_from_object): Put TLS common symbols on
12432         tls_commons_ list.
12433         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12434         which are IN_OUTPUT_DATA.
12435         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12436         allocate_commons and do_allocate_commons declarations.  Declare
12437         do_allocate_commons_list.
12438         * gold.cc (queue_middle_tasks): Update creation of
12439         Allocate_commons_task to not pass options.
12440         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12441         (TLS_TEST_C_FLAGS): New variable.
12442         (tls_test_c_pic.o): New target.
12443         (tls_test_shared.so): Link in tls_test_c_pic.o.
12444         (tls_test_c_pic_ie.o): New target.
12445         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12446         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12447         (tls_test_c.o): New target.
12448         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12449         (tls_pic_test_LDADD): Likewise.
12450         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12451         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12452         (tls_test_c_gnu2.o): New target.
12453         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12454         tls_test_c_gnu2.o.
12455         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12456         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12457         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12458         * testsuite/tls_test.cc: Include "config.h".
12459         (t_last): Call t11_last.
12460         * testsuite/tls_test.h (t11, t11_last): Declare.
12461         * testsuite/tls_test_c.c: New file.
12462         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12463         * configure.ac: Check for OpenMP support.
12464         * configure, config.in, Makefile.in: Rebuild.
12465         * testsuite/Makefile.in: Rebuild.
12466
12467 2008-04-16  Cary Coutant  <ccoutant@google.com>
12468
12469         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12470         (Target_i386::tls_base_symbol_defined_): New field.
12471         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12472         (Target_i386::Scan::global): Likewise.
12473         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12474         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12475         (Target_x86_64::tls_base_symbol_defined_): New field.
12476         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12477         (Target_x86_64::Scan::global): Likewise.
12478
12479 2008-04-16  Cary Coutant  <ccoutant@google.com>
12480
12481         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12482         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12483         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12484         building shared libraries.
12485         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12486         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12487         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12488         * testsuite/Makefile.in: Rebuild.
12489         * testsuite/weak_undef.h: New file.
12490         * testsuite/weak_undef_file1.cc: Add extra test cases.
12491         * testsuite/weak_undef_file2.cc: Likewise.
12492         * testsuite/weak_undef_test.cc: Likewise.
12493
12494 2008-04-16  David S. Miller  <davem@davemloft.net>
12495
12496         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12497         Add issued_non_pic_error_ field.  Declare check_non_pic.
12498         (Target_sparc::Scan::check_non_pic): New function.
12499         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12500         (Target_sparc::Scan::global): Likewise.
12501
12502         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12503         * configure: Rebuild.
12504
12505         * options.h (DEFINE_enable): New macro.
12506         (new_dtags): New enable option.
12507         (initfirst, interpose, loadfltr, nodefaultlib,
12508         nodelete, nodlopen, nodump): New -z options.
12509         * layout.cc (Layout:finish_dynamic_section): If new
12510         dtags enabled, emit DT_RUNPATH.  Also, emit a
12511         DT_FLAGS_1 containing any specified -z flags.
12512
12513 2008-04-16  Ian Lance Taylor  <iant@google.com>
12514
12515         * copy-relocs.cc: New file.
12516         * copy-relocs.h: New file.
12517         * reloc.cc: Remove Copy_relocs code.
12518         * reloc.h: Likewise.
12519         * reloc-types.h (struct Reloc_types) [both versions]: Add
12520         get_reloc_addend_noerror.
12521         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12522         variants of add_global which take an addend which must be zero.
12523         * i386.cc: Include "copy-relocs.h".
12524         (class Target_i386): Change type of copy_relocs_ to variable,
12525         update initializer.
12526         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12527         Change all callers.
12528         (Target_i386::do_finalize_sections): Change handling of
12529         copy_relocs_.
12530         * sparc.cc: Include "copy-relocs.h".
12531         (class Target_sparc): Change type of copy_relocs_ to variable,
12532         update initializer.
12533         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12534         Change all callers.
12535         (Target_sparc::do_finalize_sections): Change handling of
12536         copy_relocs_.
12537         * x86_64.cc: Include "copy-relocs.h".
12538         (class Target_x86_64): Change type of copy_relocs_ to variable,
12539         update initializer.
12540         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12541         class.  Change all callers.
12542         (Target_x86_64::do_finalize_sections): Change handling of
12543         copy_relocs_.
12544         * Makefile.am (CCFILES): Add copy-relocs.cc.
12545         (HFILES): Add copy-relocs.h.
12546
12547         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12548
12549         * testsuite/script_test_4.sh: Permit leading zeroes.
12550
12551 2008-04-15  Ian Lance Taylor  <iant@google.com>
12552
12553         * script-sections.cc (Script_sections::create_segments): Use
12554         header_size_adjustment even when there is enough room for the
12555         headers.
12556         * testsuite/script_test_4.sh: New file.
12557         * testsuite/script_test_4.t: New file.
12558         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12559         (check_DATA): Add script_test_4.stdout.
12560         (MOSTLYCLEANFILES): Likewise.
12561         (script_test_4): New target.
12562         (script_test_4.stdout): New target.
12563         * testsuite/Makefile.in: Rebuild.
12564
12565         * sparc.cc: Add definitions for Output_data_plt_sparc class
12566         constants.
12567
12568 2008-04-14  David S. Miller  <davem@davemloft.net>
12569
12570         * sparc.cc: New file.
12571         * Makefile.am (TARGETSOURCES): Add sparc.cc
12572         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12573         * configure.tgt: Document targ_extra_size and
12574         targ_extra_big_endian.  Add entries for sparc-* and
12575         sparc64-*.
12576         * configure.ac: Handle targ_extra_size and
12577         targ_extra_big_endian.
12578         * Makefile.in: Rebuild.
12579         * configure: Likewise.
12580         * po/POTFILES.in: Likewise.
12581         * po/gold.pot: Likewise.
12582
12583 2008-04-14  Ian Lance Taylor  <iant@google.com>
12584
12585         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12586         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12587         in the name/type/flags to section mapping.  Don't call
12588         allocate_output_section.
12589         (Layout::choose_output_section): Change parameter from adjust_name
12590         to is_input_section.  Don't permit input sections after sections
12591         are attached to segments.  Don't call allocate_output_section.
12592         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12593         not write_enable_output_section.
12594         (Layout::make_output_section): Don't push to
12595         unattached_section_list_ nor call attach_to_segment.  Call
12596         attach_section_to_segment if sections are attached.
12597         (Layout::attach_sections_to_segments): New function.
12598         (Layout::attach_section_to_segment): New function.
12599         (Layout::attach_allocated_section_to_segment): Rename from
12600         attach_to_segment.  Remove flags parameter.
12601         (Layout::allocate_output_section): Remove function.
12602         (Layout::write_enable_output_section): Remove function.
12603         * layout.h (class Layout): Update for above changes.  Add new
12604         field sections_are_attached_.
12605         * output.h (Output_section::update_flags_for_input_section): New
12606         function.
12607         * output.cc (Output_section::add_input_section): Call
12608         update_flags_for_input_section.
12609         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12610
12611 2008-04-11  Cary Coutant  <ccoutant@google.com>
12612
12613         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12614         thought unnecessary.
12615         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12616
12617 2008-04-11  Ian Lance Taylor  <iant@google.com>
12618
12619         * output.h (class Output_section_data): Remove inline definition
12620         of set_addralign.
12621         * output.cc (Output_section_data::set_addralign): New function.
12622
12623 2008-04-11  Cary Coutant  <ccoutant@google.com>
12624
12625         Add support for TLS descriptors for i386 and x86_64.
12626         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12627         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12628         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12629         GOT_TYPE_TLS_DESC.
12630         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12631         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12632         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12633         relocations.
12634         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12635         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12636         Fix problem with initial-exec relocations.
12637         (Target_i386::Relocate::relocate_tls): Likewise.
12638         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12639         relaxation.
12640         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12641         support for section-plus-offset dynamic table entries.
12642         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12643         (Output_data_dynamic::Dynamic_entry): Add support for
12644         section-plus-offset dynamic table entries.
12645         (Output_data_dynamic::Classification): Likewise.
12646         (Output_data_dynamic::classification_): Renamed offset_.
12647         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12648         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12649         (Target_x86_64::make_plt_section): New function.
12650         (Target_x86_64::reserve_tlsdesc_entries): New function.
12651         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12652         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12653         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12654         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12655         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12656         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12657         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12658         add extra PLT entry for TLS descriptors.
12659         (Output_data_plt_x86_64::got_): New field.
12660         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12661         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12662         fields.
12663         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12664         descriptors.
12665         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12666         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12667         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12668         R_386_TLS_DESC_CALL relocations.
12669         (Target_x86_64::Scan::global): Likewise.
12670         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12671         for TLS descriptors.
12672         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12673         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12674         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12675         GD-to-IE relaxation.
12676         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12677         and TLS_DESCRIPTORS.
12678         * Makefile.in: Rebuild.
12679         * configure: Rebuild.
12680         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12681         (tls_test_shared2.so): New target.
12682         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12683         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12684         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12685         (tls_shared_gd_to_ie_test_LDADD): New variable.
12686         (tls_shared_gnu2_gd_to_ie_test): New target.
12687         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12688         New targets.
12689         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12690         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12691         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12692         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12693         (tls_shared_gnu2_test): New target.
12694         (tls_test_gnu2_shared.so): New target.
12695         (tls_shared_gnu2_test_SOURCES): New variable.
12696         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12697         (tls_shared_gnu2_test_LDFLAGS): New variable.
12698         (tls_shared_gnu2_test_LDADD): New variable.
12699         * testsuite/Makefile.in: Rebuild.
12700         * testsuite/Makefile.
12701
12702 2008-04-11  Ian Lance Taylor  <iant@google.com>
12703
12704         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12705         justsyms.t.
12706         * testsuite/Makefile.in: Rebuild.
12707
12708         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12709         long.
12710         * testsuite/script_test_2.cc (main): Adjust test.
12711
12712 2008-04-11  David S. Miller  <davem@davemloft.net>
12713             Ian Lance Taylor  <iant@google.com>
12714
12715         * options.h (General_options): Add entries for '-Y' and
12716         '-relax'.
12717         * options.cc (General_options:finalize): If -Y was used, add those
12718         entries to the library path instead of the default "/lib" and
12719         "/usr/lib".
12720
12721 2008-04-11  David S. Miller  <davem@davemloft.net>
12722
12723         * testsuite/justsyms.t: Start at 0x100.
12724         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12725         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12726         long.
12727         * testsuite/script_test_2.cc: Adjust string and section length
12728         checks.
12729
12730 2008-04-09  Ian Lance Taylor  <iant@google.com>
12731
12732         PR gold/5996
12733         * script-sections.cc (Sections_element::allocate_to_segment): Add
12734         orphan parameter.
12735         (Output_section_definition::allocate_to_segment): Likewise.
12736         (Orphan_output_section::allocate_to_segment): Likewise.
12737         (Script_sections::attach_sections_using_phdrs_clause): Don't
12738         propagate non-PT_LOAD segments to orphan sections.
12739         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12740         readelf rather than objdump.
12741         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12742         .interp section and PT_INTERP segment are the same size.
12743         * testsuite/Makefile.in: Rebuild.
12744
12745         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12746         aliases for symbols defined in the same object.
12747         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12748         (weak_alias_test_SOURCES): New variable.
12749         (weak_alias_test_DEPENDENCIES): New variable.
12750         (weak_alias_test_LDFLAGS): New variable.
12751         (weak_alias_test_LDADD): New variable.
12752         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12753         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12754         (weak_alias_test_3.o): New target.
12755         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12756         * testsuite/weak_alias_test_main.cc: New file.
12757         * testsuite/weak_alias_test_1.cc: New file.
12758         * testsuite/weak_alias_test_2.cc: New file.
12759         * testsuite/weak_alias_test_3.cc: New file.
12760
12761 2008-04-08  Ian Lance Taylor  <iant@google.com>
12762
12763         * options.h (class General_options): Add --noinhibit-exec option.
12764         * main.cc (main): Check --noinhibit-exec.
12765
12766         * options.h (class General_options): Define --wrap as a special
12767         option.  Add wrap_symbols_ field.
12768         (General_options::any_wrap_symbols): New function.
12769         (General_options::is_wrap_symbol): New function.
12770         * options.cc (General_options::parse_wrap): New function.
12771         (General_options::General_options): Initialize wrap_symbols_.
12772         * symtab.cc (Symbol_table::wrap_symbol): New function.
12773         (Symbol_table::add_from_object): Handle --wrap.
12774         * symtab.h (class Symbol_table): Declare wrap_symbol.
12775         * target.h (Target::wrap_char): New function.
12776         (Target::Target_info): Add wrap_char field.
12777         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12778         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12779         * testsuite/testfile.cc (Target_test::test_target_info):
12780         Likewise.
12781
12782         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12783         there is one.
12784
12785         * layout.h (class Layout): Add added_eh_frame_data_ field.
12786         * layout.cc (Layout::Layout): Initialize new field.
12787         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12788         output section until we find a section we merged successfully.
12789         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12790         that the size be non-zero.
12791
12792         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12793         qualifier.
12794
12795 2008-04-08  Craig Silverstein  <csilvers@google.com>
12796
12797         * configure.ac: Export new conditional variable HAVE_ZLIB.
12798         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12799         on HAVE_ZLIB.
12800         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12801         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12802
12803 2008-04-07  Ian Lance Taylor  <iant@google.com>
12804
12805         * version.cc (version_string): Set to "1.5".
12806
12807         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12808         Add issued_non_pic_error_ field.  Declare check_non_pic.
12809         (Target_x86_64::Scan::check_non_pic): New function.
12810         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12811         (Target_x86_64::Scan::global): Likewise.
12812
12813         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12814         addend parameter.  Change caller.  Handle merge sections.
12815         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12816         Address to Addend.  Don't add in the result of
12817         local_section_offset, pass down the addend and use the returned
12818         value.
12819         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12820         Update declarations of local_section_offset and symbol_value.
12821         * testsuite/two_file_test_1.cc (t18): New function.
12822         * testsuite/two_file_test_2.cc (f18): New function.
12823         * testsuite/two_file_test_main.cc (main): Call t18.
12824         * testsuite/two_file_test.h (t18, f18): Declare.
12825
12826         * configure.ac: Don't test for objdump, c++filt, or readelf.
12827         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12828         conditionals.
12829         (TEST_READELF): New variable.
12830         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12831         (check_PROGRAMS): Add two_file_strip_test.
12832         (two_file_strip_test): New target.
12833         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12834         (two_file_same_shared_strip_test_SOURCES): New variable.
12835         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12836         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12837         (two_file_same_shared_strip_test_LDADD): New variable.
12838         (two_file_shared_strip.so): New target.
12839         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12840         (ver_test_5.syms, ver_test_7.syms): Likewise.
12841         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12842         (strip_test_3.stdout): Use TEST_OBJDUMP.
12843         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12844
12845 2008-04-04  Cary Coutant  <ccoutant@google.com>
12846
12847         * symtab.h (Symbol::is_weak_undefined): New function.
12848         (Symbol::is_strong_undefined): New function.
12849         (Symbol::is_absolute): New function.
12850         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12851         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12852         absolute symbols.
12853         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12854         (weak_undef_test): New target.
12855         * testsuite/Makefile.in: Rebuild.
12856         * testsuite/weak_undef_file1.cc: New file.
12857         * testsuite/weak_undef_file2.cc: New file.
12858         * testsuite/weak_undef_test.cc: New file.
12859
12860 2008-04-03  Craig Silverstein  <csilvers@google.com>
12861
12862         * compressed_output.h (class Output_compressed_section): Use
12863         unsigned buffer.
12864         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12865         add zlib header.
12866         (zlib_compressed_suffix): Removed.
12867         (Output_compressed_section::set_final_data_size): Use unsigned
12868         buffers.
12869         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12870         Fix linker invocation.
12871         (flagstest_o_specialfile_and_compress_debug_sections):
12872         Likewise.
12873         * testsuite/Makefile.in: Regenerated.
12874
12875 2008-04-02  David S. Miller  <davem@davemloft.net>
12876
12877         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12878         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12879
12880 2008-04-02  Craig Silverstein  <csilvers@google.com>
12881
12882         * TODO: New file.
12883
12884 2008-04-02  Ian Lance Taylor  <iant@google.com>
12885
12886         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12887         parameters.  Update for new key type to views_.  Change all
12888         callers.
12889         (File_read::read): Adjust for byteshift in returned view.
12890         (File_read::add_view): New function, broken out of
12891         find_and_make_view.
12892         (File_read::make_view): New function, broken out of
12893         find_and_make_view.
12894         (File_read::find_or_make_view): Add offset and aligned
12895         parameters.  Rewrite accordingly.  Change all callers.
12896         (File_read::get_view): Add offset and aligned parameters.  Adjust
12897         for byteshift in return value.
12898         (File_read::get_lasting_view): Likewise.
12899         * fileread.h (class File_read): Update declarations.
12900         (class File_read::View): Add byteshift_ field.  Add byteshift to
12901         constructor.  Add byteshift method.
12902         * archive.h (Archive::clear_uncached_views): New function.
12903         (Archive::get_view): Add aligned parameter.  Change all callers.
12904         * object.h (Object::get_view): Add aligned parameter.  Change all
12905         callers.
12906         (Object::get_lasting_view): Likewise.
12907
12908         * fileread.cc (File_read::release): Don't call clear_views if
12909         there are multiple objects.
12910         * fileread.h (File_read::clear_uncached_views): New function.
12911         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12912         on the archive.
12913
12914 2008-03-31  Cary Coutant  <ccoutant@google.com>
12915
12916         Add thin archive support.
12917         * archive.cc (Archive::armagt): New const.
12918         (Archive::setup): Remove task parameter and calls to unlock.
12919         (Archive::unlock_nested_archives): New function.
12920         (Archive::read_header): Add nested_off parameter. Change
12921         all callers.
12922         (Archive::interpret_header): Likewise.
12923         (Archive::include_all_members): Change to handle thin
12924         archives.
12925         (Archive::include_member): Likewise.
12926         * archive.h (Archive::Archive): Add new parameters and
12927         initializers.
12928         (Archive::armagt): New const.
12929         (Archive::setup): Remove task parameter.
12930         (Archive::unlock_nested_archives): New function.
12931         (Archive::read_header): Add nested_off parameter.
12932         (Archive::interpret_header): Likewise.
12933         (Archive::Nested_archive_table): New typedef.
12934         (Archive::is_thin_archive_): New field.
12935         (Archive::nested_archives_): New field.
12936         (Archive::options_): New field.
12937         (Archive::dirpath_): New field.
12938         (Archive::task_): New field.
12939         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12940         for thin archives.  Pass additional parameters to
12941         Archive::Archive.  Unlock the archive file after calling
12942         Archive::setup.
12943
12944 2008-03-29  Ian Lance Taylor  <iant@google.com>
12945
12946         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12947         version symbol to be local.
12948         * testsuite/ver_test_4.sh: New file.
12949         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12950         (check_DATA): Add ver_test_4.syms.
12951         (ver_test_4.syms): New target.
12952         * testsuite/Makefile.in: Rebuild.
12953
12954         * output.cc
12955         (Output_section::Input_section_sort_entry::has_priority): New
12956         function.
12957         (Output_section::Input_section_sort_entry::match_file_name): New
12958         function.
12959         (Output_section::Input_section_sort_entry::match_section_name):
12960         Remove.
12961         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12962         Remove.
12963         (Output_section::Input_section_sort_entry::match_section_file):
12964         Remove.
12965         (Output_section::Input_section_sort_compare::operator()): Rewrite
12966         using new Input_section_sort_entry functions.  Sort crtbegin and
12967         crtend first.  Sort sections with no priority before sections with
12968         a priority.
12969         * testsuite/initpri1.c (d3): Check j != 4.
12970         (cd5): New constructor/destructor function.
12971         (main): Check j != 2.
12972
12973         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12974         new symbol when resolving, don't call set_is_default.
12975         * testsuite/ver_test_7.cc: New file.
12976         * testsuite/ver_test_7.sh: New file.
12977         * testsuite/Makefile.am (ver_test_7.so): New target.
12978         (ver_test_7.o): New target.
12979         (check_SCRIPTS): Add ver_test_7.sh.
12980         (check_DATA): Add ver_test_7.syms.
12981         (ver_test_7.syms): New target.
12982
12983 2008-03-28  Ian Lance Taylor  <iant@google.com>
12984
12985         * layout.cc (Layout::layout): If we see an input section with a
12986         name that needs sorting, set the must_sort flag for the output
12987         section.
12988         (Layout::make_output_section): If the name of the output section
12989         indicates that it might require sorting, set the may_sort flag.
12990         * output.h (Output_section::may_sort_attached_input_sections): New
12991         function.
12992         (Output_section::set_may_sort_attached_input_sections): New
12993         function.
12994         (Output_section::must_sort_attached_input_sections): New
12995         function.
12996         (Output_section::set_must_sort_attached_input_sections): New
12997         function.
12998         (class Output_section): Declare Input_section_sort_entry.  Define
12999         Input_section_sort_compare.  Declare
13000         sort_attached_input_sections.  Add new fields:
13001         may_sort_attached_input_sections_,
13002         must_sort_attached_input_sections_,
13003         attached_input_sections_are_sorted_.
13004         * output.cc (Output_section::Output_section): Initialize new
13005         fields.
13006         (Output_section::add_input_section): Add an entry to
13007         input_sections_ if may_sort or must_sort are true.
13008         (Output_section::set_final_data_size): Call
13009         sort_attached_input_sections if necessary.
13010         (Output_section::Input_section_sort_entry): Define new class.
13011         (Output_section::Input_section_sort_compare::operator()): New
13012         function.
13013         (Output_section::sort_attached_input_sections): New function.
13014         * configure.ac: Check whether the compiler supports constructor
13015         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13016         * testsuite/initpri1.c: New file.
13017         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13018         CONSTRUCTOR_PRIORITY.
13019         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13020         (initpri1_LDFLAGS): New variable.
13021         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13022
13023 2008-03-27  Ian Lance Taylor  <iant@google.com>
13024
13025         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13026         * testsuite/common_test_1.c: New file.
13027         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13028         (common_test_1_SOURCES): New variable.
13029         (common_test_1_DEPENDENCIES): New variable.
13030         (common_test_1_LDFLAGS): New variable.
13031
13032         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13033         and commons_ correctly when NAME/VERSION does not override
13034         NAME/NULL.
13035         * testsuite/ver_test_6.c: New file.
13036         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13037         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13038         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13039
13040 2008-03-26  Ian Lance Taylor  <iant@google.com>
13041
13042         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13043         of an undefined symbol from a version script.
13044         * testsuite/Makefile.am (ver_test_5.so): New target.
13045         (ver_test_5.o): New target.
13046         (check_SCRIPTS): Add ver_test_5.sh.
13047         (check_DATA): Add ver_test_5.syms.
13048         (ver_test_5.syms): New target.
13049         * testsuite/ver_test_5.cc: New file.
13050         * testsuite/ver_test_5.script: New file.
13051         * testsuite/ver_test_5.sh: New file.
13052         * Makefile.in, testsuite/Makefile.in: Rebuild.
13053
13054         PR gold/5986
13055         Fix problems building gold with gcc 4.3.0.
13056         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13057         (gold_error_at_location, gold_warning_at_location): Use it.
13058         * configure.ac: Check whether we can compile and use a template
13059         function with a printf attribute.
13060         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13061         when jumping over bytes.
13062         * object.cc: Instantiate Object::read_section_data.
13063         * debug.h: Include <cstring>
13064         * dwarf_reader.cc: Include <algorithm>
13065         * main.cc: Include <cstring>.
13066         * options.cc: Include <cstring>.
13067         * output.cc: Include <cstring>.
13068         * script.cc: Include <cstring>.
13069         * script.h: Include <string>.
13070         * symtab.cc: Include <cstring> and <algorithm>.
13071         * target-select.cc: Include <cstring>.
13072         * version.cc: Include <string>.
13073         * testsuite/testmain.cc: Include <cstdlib>.
13074         * configure, config.in: Rebuild.
13075
13076 2008-03-25  Ian Lance Taylor  <iant@google.com>
13077
13078         * options.cc: Include "../bfd/bfdver.h".
13079         (options::help): Print bug reporting address.
13080
13081         * version.cc (print_version): Adjust output for current value of
13082         BFD_VERSION_STRING.
13083
13084         * NEWS: New file.
13085
13086         * options.cc (options::help): Print list of supported targets.
13087         * target-select.h: Include <vector>.
13088         (class Target_selector): Make machine_, size_, and is_big_endian_
13089         fields const.  Add bfd_name_ and instantiated_target_ fields.
13090         (Target_selector::Target_selector): Add bfd_name parameter.
13091         (Target_selector::recognize): Make non-virtual, call
13092         do_recognize.
13093         (Target_selector::recognize_by_name): Make non-virtual, call
13094         do_recognize_by_name.
13095         (Target_selector::supported_names): New function.
13096         (Target_selector::bfd_name): New function.
13097         (Target_selector::do_instantiate_target): New pure virtual
13098         function.
13099         (Target_selector::do_recognize): New virtual function.
13100         (Target_selector::do_recognize_by_name): New virtual function.
13101         (Target_selector::instantiate_target): New private function.
13102         (supported_target_names): Declare.
13103         * target-select.cc (Target_selector::Target_selector): Update for
13104         new parameter and fields.
13105         (select_target_by_name): Check that the name matches before
13106         calling recognize_by_name.
13107         (supported_target_names): New function.
13108         * i386.cc (class Target_selector_i386): Update Target_selector
13109         constructor call.  Remove recognize and recognize_by_name.  Add
13110         do_instantiate_target.
13111         * x86_64.cc (class Target_selector_x86_64): Likewise.
13112         * testsuite/testfile.cc (class Target_selector_test): Update for
13113         changes to Target_selector.
13114
13115         * README: Rewrite, with some notes on unsupported features.
13116
13117 2008-03-24  Cary Coutant  <ccoutant@google.com>
13118
13119         * i386.cc (Target_i386::Got_type): New enum declaration.
13120         (Target_i386::Scan::local): Updated callers of Output_data_got
13121         member functions.
13122         (Target_i386::Scan::global): Likewise.
13123         (Target_i386::Relocate::relocate): Likewise.
13124         (Target_i386::Relocate::relocate_tls): Likewise.
13125         * object.h (Got_offset_list): New class.
13126         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13127         (Sized_relobj::local_got_offset): Likewise.
13128         (Sized_relobj::set_local_got_offset): Likewise.
13129         (Sized_relobj::local_has_tls_got_offset): Removed.
13130         (Sized_relobj::local_tls_got_offset): Removed.
13131         (Sized_relobj::set_local_tls_got_offset): Removed.
13132         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13133         * output.cc (Output_data_got::add_global): Added got_type parameter.
13134         (Output_data_got::add_global_with_rel): Likewise.
13135         (Output_data_got::add_global_with_rela): Likewise.
13136         (Output_data_got::add_global_pair_with_rel): New function.
13137         (Output_data_got::add_global_pair_with_rela): New function.
13138         (Output_data_got::add_local): Added got_type parameter.
13139         (Output_data_got::add_local_with_rel): Likewise.
13140         (Output_data_got::add_local_with_rela): Likewise.
13141         (Output_data_got::add_local_pair_with_rel): New function.
13142         (Output_data_got::add_local_pair_with_rela): New function.
13143         (Output_data_got::add_global_tls): Removed.
13144         (Output_data_got::add_global_tls_with_rel): Removed.
13145         (Output_data_got::add_global_tls_with_rela): Removed.
13146         (Output_data_got::add_local_tls): Removed.
13147         (Output_data_got::add_local_tls_with_rel): Removed.
13148         (Output_data_got::add_local_tls_with_rela): Removed.
13149         * output.h (Output_data_got::add_global): Added got_type parameter.
13150         (Output_data_got::add_global_with_rel): Likewise.
13151         (Output_data_got::add_global_with_rela): Likewise.
13152         (Output_data_got::add_global_pair_with_rel): New function.
13153         (Output_data_got::add_global_pair_with_rela): New function.
13154         (Output_data_got::add_local): Added got_type parameter.
13155         (Output_data_got::add_local_with_rel): Likewise.
13156         (Output_data_got::add_local_with_rela): Likewise.
13157         (Output_data_got::add_local_pair_with_rel): New function.
13158         (Output_data_got::add_local_pair_with_rela): New function.
13159         (Output_data_got::add_global_tls): Removed.
13160         (Output_data_got::add_global_tls_with_rel): Removed.
13161         (Output_data_got::add_global_tls_with_rela): Removed.
13162         (Output_data_got::add_local_tls): Removed.
13163         (Output_data_got::add_local_tls_with_rel): Removed.
13164         (Output_data_got::add_local_tls_with_rela): Removed.
13165         * resolve.cc (Symbol::override_base_with_special): Removed
13166         reference to has_got_offset_ field.
13167         * symtab.cc (Symbol::init_fields): Replaced initialization
13168         of got_offset_ with got_offsets_.  Removed initialization
13169         of has_got_offset_
13170         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13171         (Symbol::got_offset): Likewise.
13172         (Symbol::set_got_offset): Likewise.
13173         (Symbol::has_tls_got_offset): Removed.
13174         (Symbol::tls_got_offset): Removed.
13175         (Symbol::set_tls_got_offset): Removed.
13176         (Symbol::got_offset_): Removed.
13177         (Symbol::tls_mod_got_offset_): Removed.
13178         (Symbol::tls_pair_got_offset_): Removed.
13179         (Symbol::got_offsets_): New field.
13180         (Symbol::has_got_offset): Removed.
13181         (Symbol::has_tls_mod_got_offset): Removed.
13182         (Symbol::has_tls_pair_got_offset): Removed.
13183         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13184         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13185         member functions.
13186         (Target_x86_64::Scan::global): Likewise.
13187         (Target_x86_64::Relocate::relocate): Likewise.
13188         (Target_x86_64::Relocate::relocate_tls): Likewise.
13189
13190 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13191
13192         * yyscript.y: Fix spelling error in comment.
13193
13194 2008-03-24  Ian Lance Taylor  <iant@google.com>
13195
13196         * options.h (class General_options): Define build_id option.
13197         * layout.h (class Layout): Declare write_build_id, create_note,
13198         create_build_id.  Add build_id_note_ member.
13199         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13200         "libiberty.h", "md5.h", "sha1.h".
13201         (Layout::Layout): Initialize eh_frame_data_,
13202         eh_frame_hdr_section_, and build_id_note_.
13203         (Layout::finalize): Call create_build_id.
13204         (Layout::create_note): New function, broken out of
13205         Layout::create_gold_note.
13206         (Layout::create_gold_note): Call create_note.
13207         (Layout::create_build_id): New function.
13208         (Layout::write_build_id): New function.
13209         (Close_task_runner::run): Call write_build_id.
13210
13211         * x86_64.cc: Correct license to GPLv3.
13212
13213 2008-03-23  Ian Lance Taylor  <iant@google.com>
13214
13215         * options.cc: Include "demangle.h".
13216         (parse_optional_string): New function.
13217         (parse_long_option): Handle takes_optional_argument.
13218         (parse_short_option): Update dash_z initializer.  Handle
13219         takes_optional_argument.
13220         (General_options::General_options): Initialize do_demangle_.
13221         (General_options::finalize): Set do_demangle_.  Handle demangling
13222         style.
13223         * options.h (parse_optional_string): Declare.
13224         (struct One_option): Add optional_arg field.  Update constructor.
13225         Update call constructor calls.  Add takes_optional_argument
13226         function.
13227         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13228         (DEFINE_optional_string): Define.
13229         (General_options::demangle): Change from DEFINE_bool to
13230         DEFINE_optional_string.
13231         (General_options::no_demangle): New function.
13232         (General_options::do_demangle): New function.
13233         (General_options::set_do_demangle): New function.
13234         (General_options::execstack_status_): Move definition to end of
13235         class definition.
13236         (General_options::static_): Likewise.
13237         (General_options::do_demangle_): New field.
13238         * object.cc (big_endian>::get_symbol_location_info): Call
13239         Options::do_demangle, not Options::demangle.
13240         * symtab.cc (demangle): Likewise.
13241
13242 2008-03-22  Ian Lance Taylor  <iant@google.com>
13243
13244         * gold.h: Include <cstddef> and <sys/types.h>
13245         * options.h: Include <cstring>.
13246
13247 2008-03-21  Ian Lance Taylor  <iant@google.com>
13248
13249         * Added source code to GNU binutils.