gold/ChangeLog

   1 2008-07-24  Ian Lance Taylor  <iant@google.com>
   2
   3         PR 5990
   4         * descriptors.cc: New file.
   5         * descriptors.h: New file.
   6         * gold-threads.h (class Hold_optional_lock): New class.
   7         * fileread.cc: Include "descriptors.h".
   8         (File_read::~File_read): Release descriptor rather than closing
   9         it.
  10         (File_read::open) [file]: Call open_descriptor rather than open.
  11         Set is_descriptor_opened_.
  12         (File_read::open) [memory]: Assert that descriptor is not open.
  13         (File_read::reopen_descriptor): New function.
  14         (File_read::release): Release descriptor.
  15         (File_read::do_read): Make non-const.  Reopen descriptor.
  16         (File_read::read): Make non-const.
  17         (File_read::make_view): Reopen descriptor.
  18         (File_read::do_readv): Likewise.
  19         * fileread.h (class File_read): Add is_descriptor_opened_ field.
  20         Update declarations.
  21         * layout.cc: Include "descriptors.h".
  22         (Layout::create_build_id): Use open_descriptor rather than open.
  23         * output.cc: Include "descriptors.h".
  24         (Output_file::open): Use open_descriptor rather than open.
  25         * archive.cc (Archive::const_iterator): Change Archive to be
  26         non-const.
  27         (Archive::begin, Archive::end): Make non-const.
  28         (Archive::count_members): Likewise.
  29         * archive.h (class Archive): Update declarations.
  30         * object.h (Object::read): Make non-const.
  31         * Makefile.am (CCFILES): Add descriptors.cc.
  32         (HFILES): Add descriptors.h.
  33         * Makefile.in: Rebuild.
  34
  35         PR 6716
  36         * gold.h: Always include <clocale>.  Add Solaris workarounds
  37         following code in binutils/sysdep.h.
  38
  39         PR 6048
  40         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
  41         this->eh_frame_hdr_ is NULL before using it.
  42
  43         * dynobj.cc (Versions::Versions): Update comment.
  44
  45         * dynobj.cc (Versions::Versions): If there is an soname, use it as
  46         the base version name.
  47
  48         * stringpool.cc (Stringpool_template::add_with_length): Set key to
  49         array size plus one.
  50         (Stringpool_template::set_string_offsets): Subtract one from key
  51         before using it as an array index.
  52         (Stringpool_template::get_offset_with_length): Likewise.
  53         (Stringpool_template::write_to_buffer): Likewise.
  54         * stringpool.h (Stringpool_template::get_offset_from_key):
  55         Likewise.
  56
  57 2008-07-23  Ian Lance Taylor  <iant@google.com>
  58
  59         PR 6658
  60         * object.h (Merged_symbol_value::value): Do our best to handle a
  61         negative addend.
  62
  63         PR 6647
  64         * script.cc (Version_script_info::get_versions): Don't add empty
  65         version tag to return value.
  66         (Version_script_info::get_symbol_version_helper): Change return
  67         type to bool.  Add pversion parameter.  Change all callers.
  68         (script_register_vers_node): Don't require a non-NULL tag.
  69         * script.h (class Version_script_info): Update declarations.
  70         (Version_script_info::get_symbol_version): Change return type to
  71         bool.  Add version parameter.  Change all callers.
  72         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
  73         handling.  Handle an empty version from a version script.
  74         (Symbol_table::define_special_symbol): Likewise.
  75         * testsuite/ver_test_10.script: New file.
  76         * testsuite/ver_test_10.sh: New file.
  77         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
  78         (check_DATA): Add ver_test_10.syms.
  79         (ver_test_10.syms, ver_test_10.so): New target.
  80         * testsuite/Makefile.in: Rebuild.
  81
  82 2008-07-23  Simon Baldwin  <simonb@google.com>
  83
  84         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
  85         to zero for undefined symbols from dynamic libraries.
  86
  87 2008-07-23  Ian Lance Taylor  <iant@google.com>
  88
  89         * symtab.cc (Symbol_table::resolve): Remove version parameter.
  90         Change all callers.
  91         * symtab.h (class Symbol_table): Update declaration.
  92         * testsuite/ver_test_9.cc: New file.
  93         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
  94         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
  95         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
  96         (ver_test_9.so, ver_test_9.o): New targets.
  97         * testsuite/Makefile.in: Rebuild.
  98
  99 2008-07-22  Ian Lance Taylor  <iant@google.com>
 100
 101         * options.h (class General_options): Define --check-sections.
 102         * layout.cc (Layout::set_segment_offsets): Handle
 103         --check-sections.
 104
 105         * options.h (class General_options): Define -n/--nmagic and
 106         -N/--omagic.
 107         * options.cc (General_options::finalize): For -n/--nmagic or
 108         -N/--omagic, set -static.
 109         * layout.cc (Layout::attach_allocated_section_to_segment): If
 110         -N/--omagic, don't put read-only and read-write sections in
 111         different segments.
 112         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
 113         finding a read-only segment.
 114         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
 115         don't set the minimum segment alignment to the common page size,
 116         and don't set the file offset to the address modulo the page size.
 117         * script-sections.cc (Script_sections::create_segments): If
 118         -n/--omagic, don't put read-only and read-write sections in
 119         different segments.
 120
 121         * cref.cc: New file.
 122         * cref.h: New file.
 123         * options.h (class General_options): Add --print-symbol-counts.
 124         * main.cc (main): Issue defined symbol report if requested.
 125         * archive.cc (Archive::interpret_header): Make into a const member
 126         function.
 127         (Archive::add_symbols): Call Input_objects::archive_start and
 128         archive_stop.
 129         (Archive::const_iterator): Define new class.
 130         (Archive::begin, Archive::end): New functions.
 131         (Archive::include_all_members): Rewrite to use iterator.
 132         (Archive::count_members): New function.
 133         * archive.h (class Archive): Update declarations.
 134         (Archive::filename): New function.
 135         * object.cc: Include "cref.h".
 136         (Sized_relobj::Sized_relobj): Initialize defined_count_.
 137         (Sized_relobj::do_get_global_symbol_counts): New function.
 138         (Input_objects::add_object): Add object to cross-referencer.
 139         (Input_objects::archive_start): New function.
 140         (Input_objects::archive_stop): New function.
 141         (Input_objects::print_symbol_counts): New function.
 142         * object.h: Declare Cref and Archive.
 143         (Object::get_global_symbol_counts): New function.
 144         (Object::do_get_global_symbol_counts): New pure virtual function.
 145         (class Sized_relobj): Add defined_count_ field.  Update
 146         declarations.
 147         (class Input_objects): Add cref_ field.  Update constructor.
 148         Update declarations.
 149         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
 150         defined_count_.
 151         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
 152         symbol counts.
 153         (Sized_dynobj::do_get_global_symbol_counts): New function.
 154         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
 155         defined_count_.  Update declarations.  Define Symbols typedef.
 156         * symtab.cc (Symbol_table::add_from_relobj): Add defined
 157         parameter.  Change all callers.
 158         (Symbol_table::add_from_dynobj): Add sympointers and defined
 159         parameters.  Change all callers.
 160         * symtab.h (class Symbol_table): Update declarations.
 161         * Makefile.am (CCFILES): Add cref.cc.
 162         (HFILES): Add cref.h.
 163         * Makefile.in: Rebuild.
 164
 165 2008-07-22  Simon Baldwin  <simonb@google.com>
 166
 167         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
 168         to zero when writing undefined symbols.
 169
 170 2008-07-22  Ian Lance Taylor  <iant@google.com>
 171
 172         * output.cc (Output_section::add_input_section): Don't try to
 173         merge empty merge sections.
 174
 175 2008-07-21  Craig Silverstein  <csilvers@google.com>
 176
 177         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
 178         Include symbol version in error message.
 179
 180 2008-07-20  Chris Demetriou  <cgd@google.com>
 181
 182         * configure.ac (gold_cv_c_random_seed): New configured variable.
 183         (RANDOM_SEED_CFLAGS): New substituted variable.
 184         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
 185         * configure: Rebuild.
 186         * Makefile.in: Likewise.
 187         * testsuite/Makefile.in: Likewise.
 188
 189 2008-07-18  Ian Lance Taylor  <iant@google.com>
 190
 191         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
 192         where we see NAME/NULL and NAME/VERSION  as separate symbols.
 193         * testsuite/ver_test_main.cc (main): Call t4.
 194         (t4, t4_2a): Define.
 195         * testsuite/ver_test_2.cc (t4_2): Define.
 196         * testsuite/ver_test_2.script: Put t4_2a in VER2.
 197         * testsuite/ver_test_4.cc (t4_2a): Define.
 198         * testsuite/ver_test_4.script: Put t4_2a in VER2.
 199         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
 200
 201 2008-07-17  Ian Lance Taylor  <iant@google.com>
 202
 203         * dynobj.cc (Versions::add_def): If we give an error about a
 204         missing version, go ahead and create the version anyhow.
 205
 206 2008-07-10  Ian Lance Taylor  <iant@google.com>
 207
 208         Handle output sections with more than 0x7fffffff bytes.
 209         * object.h (class Relobj): Change map_to_output_ to
 210         output_sections_, and just keep a section pointer.  Change all
 211         uses.  Move comdat group support to Sized_relobj.
 212         (Relobj::is_section_specially_mapped): Remove.
 213         (Relobj::output_section): Remove poff parameter.  Change all
 214         callers.
 215         (Relobj::output_section_offset): New function.
 216         (Relobj::set_section_offset): Rewrite.
 217         (Relobj::map_to_output): Remove.
 218         (Relobj::output_sections): New function.
 219         (Relobj::do_output_section_offset): New pure virtual function.
 220         (Relobj::do_set_section_offset): Likewise.
 221         (class Sized_relobj): Add section_offsets_ field.  Add comdat
 222         group support from Relobj.  Update declarations.
 223         (Sized_relobj::get_output_section_offset): New function.
 224         (Sized_relobj::do_output_section_offset): New function.
 225         (Sized_relobj::do_set_section_offset): New function.
 226         * object.cc (Relobj::output_section_address): Remove.
 227         (Sized_relobj::Sized_relobj): Initialize new fields.
 228         (Sized_relobj::include_section_group): Cast find_kept_object to
 229         Sized_relobj.
 230         (Sized_relobj::include_linkonce_section): Likewise.
 231         (Sized_relobj::do_layout): Use separate arrays for output section
 232         and output offset.
 233         (Sized_relobj::do_count_local_symbols): Change map_to_output to
 234         output_sections.
 235         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
 236         output_sections and section_offsets.
 237         (Sized_relobj::write_local_symbols): Likewise.
 238         (map_to_kept_section): Compute output address directly.
 239         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
 240         output_sections and section_offsets.
 241         (Sized_relobj::write_sections): Likewise.
 242         (Sized_relobj::relocate_sections): Likewise.
 243         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
 244         * output.h (class Output_reloc): Update declarations.  Change
 245         u2_.relobj to Sized_relobj*.
 246         (class Output_data_reloc): Change add functions to use
 247         Sized_relobj*.
 248         * output.cc (Output_reloc::Output_reloc): Change relobj to
 249         Sized_relobj*.
 250         (Output_reloc::local_section_offset): Change return type to
 251         Elf_Addr.  Use get_output_section_offset.
 252         (Output_reloc::get_address): Likewise.
 253         (Output_section::is_input_address_mapped): Don't call
 254         is_section_specially_mapped.
 255         (Output_section::output_offset): Likewise.
 256         (Output_section::output_address): Likewise.
 257         (Output_section::starting_output_address): Likewise.
 258         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
 259         parameter to Sized_relobj*.
 260         (Copy_relocs::need_copy_reloc): Likewise.
 261         (Copy_relocs::save): Likewise.
 262         * copy-relocs.h (class Copy_relocs): Update declarations.
 263         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
 264         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
 265         * target-reloc.h (relocate_for_relocatable): Change
 266         offset_in_output_section type to Elf_Addr.  Change code that uses
 267         it as well.
 268         * layout.cc (Layout::layout): Always set *off.
 269         * mapfile.cc (Mapfile::print_input_section): Use
 270         output_section_offset.
 271         * i386.cc (Target_i386::copy_reloc): Change object parameter to
 272         Sized_relobj*.
 273         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
 274         * sparc.cc (Target_sparc::copy_reloc): Likewise.
 275         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
 276
 277 2008-07-03  Ian Lance Taylor  <iant@google.com>
 278
 279         * layout.cc (Layout::include_section): Do not discard unrecognized
 280         SHT_STRTAB sections.
 281
 282 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
 283
 284         * script.cc (Lex::can_continue_name): Make '?' allowable in
 285         version-script names.
 286         * testsuite/version_script.map: Change glob pattern to use '?'
 287
 288 2008-06-30  Manish Singh  <yosh@gimp.org>
 289
 290         PR 6585
 291         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
 292         Correct typo.
 293
 294 2008-06-30  Ian Lance Taylor  <iant@google.com>
 295
 296         PR 6660
 297         PR 6682
 298         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
 299         versions]: Don't try to read the value in the contents, since we
 300         don't use it.  Use the template endianness when writing.
 301
 302 2008-06-25  Cary Coutant  <ccoutant@google.com>
 303
 304         * fileread.cc (File_read::make_view): Assert on zero-length view.
 305         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
 306         symbol table when there are no symbols to read.
 307
 308 2008-06-23  Craig Silverstein  <csilvers@google.com>
 309
 310         * version.cc (version_string): Bump to 1.7
 311
 312 2008-06-18  Craig Silverstein  <csilvers@google.com>
 313
 314         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
 315         constant 0xFFFF to type Valtype.
 316         (Powerpc_relocate_functions::rel16_ha): Likewise.
 317
 318 2008-06-17  Ian Lance Taylor  <iant@google.com>
 319
 320         * output.h (Output_section::Input_section): Initialize p2align_ to
 321         zero for Output_section_data constructors.
 322         (Output_section::Input_section::addralign): If not an input
 323         section, return the alignment of the Output_section_data.
 324         * testsuite/copy_test.cc: New file.
 325         * testsuite/copy_test_1.cc: New file.
 326         * testsuite/copy_test_2.cc: New file.
 327         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
 328         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
 329         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
 330         (copy_test_1_pic.o, copy_test_1.so): New targets.
 331         (copy_test_2_pic.o, copy_test_2.so): New targets.
 332         * testsuite/Makefile.in: Rebuild.
 333
 334         * script-sections.cc (Script_sections::place_orphan): Initialize
 335         local variable exact.
 336
 337 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
 338
 339         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
 340
 341 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
 342             David S. Miller  <davem@davemloft.net>
 343
 344         * powerpc.cc: New file.
 345         * Makefile.am (TARGETSOURCES): Add powerpc.cc
 346         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
 347         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
 348         * Makefile.in: Rebuild.
 349
 350 2008-06-09  Ian Lance Taylor  <iant@google.com>
 351
 352         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
 353         <exception>.
 354         (throwing, orig_terminate): New static variables.
 355         (terminate_handler): New static function.
 356         (t2): Set terminate handler.
 357
 358 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
 359
 360         PR 6584
 361         * binary.cc (Binary_to_elf::sized_convert): Fix .data
 362         alignment.
 363
 364 2008-05-30  Cary Coutant  <ccoutant@google.com>
 365
 366         * archive.cc (Archive::include_all_members) Correct to step
 367         over symbol table and extended name table in thin archives.
 368
 369 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
 370
 371         PR 6407
 372         * target-reloc.h (relocate_for_relocatable): Fix new_offset
 373         calculation.
 374
 375 2008-05-28  Caleb Howe  <cshowe@google.com>
 376
 377         * reduced_debug_output.cc: New file.
 378         * reduced_debug_output.h: New file.
 379         * options.h (class General_options): Add --strip-debug-non-line.
 380         * options.cc (General_options::finalize): Add strip_debug_non_line
 381         to the strip heirarchy.
 382         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
 383         fields.
 384         * layout.cc: Include "reduced_debug_output.h".
 385         (Layout::Layout): Initialize new fields.
 386         (line_only_debug_sections): New static array.
 387         (is_lines_only_debug_sections): New static inline function.
 388         (Layout::include_section): Handle --strip-debug-non-line.
 389         (Layout::make_output_section): If --strip-debug-non-line, build
 390         new output sections for .debug_abbrev and .debug_info.
 391         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
 392         gold.  Warn about possible overflow.
 393         (read_signed_LEB_128): Likewise.
 394         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
 395         (read_signed_LEB_128): Declare.
 396         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
 397         (HFILES): Add reduced_debug_output.h.
 398         * Makefile.in: Rebuild.
 399
 400 2008-05-21  Ian Lance Taylor  <iant@google.com>
 401
 402         * mapfile.cc: New file.
 403         * mapfile.h: New file.
 404         * options.h (class General_options): Add -M/--print-map and -Map.
 405         * options.cc (General_options::finalize): Make -M equivalent to
 406         -Map -.
 407         * main.cc: Include <cstdio> and "mapfile.h".
 408         (main): Open mapfile if requested.
 409         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
 410         constructor.  Change caller.
 411         (queue_initial_tasks): Add mapfile parameter.  Change caller.
 412         (queue_middle_tasks): Likewise.
 413         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
 414         declarations.
 415         * archive.cc: Include "mapfile.h".
 416         (Archive::add_symbols): Add mapfile parameter.  Change all
 417         callers.  Pass mapfile, symbol, and reason to include_member.
 418         (Archive::include_all_members): Add mapfile parameter.  Change all
 419         callers.
 420         (Archive::include_member): Add mapfile, sym, and why parameters.
 421         Change all callers.  Report inclusion to map file.
 422         * archive.h: Include "fileread.h".
 423         (class Archive): Update declarations.
 424         (Archive::file): New const method.
 425         (class Add_archive_symbols): Add mapfile_ field.  Update
 426         constructor.  Change all callers.
 427         * readsyms.h (class Read_symbols): Likewise.
 428         (class Finish_group): Likewise.
 429         (class Read_script): Likewise.
 430         * common.cc: Include "mapfile.h".
 431         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
 432         all callers.
 433         (Symbol_table::do_allocate_commons): Likewise.
 434         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
 435         symbol allocation to mapfile.
 436         * common.h (class Allocate_commons_task): Add mapfile_ field.
 437         Update constructor.  Change all callers.
 438         * symtab.h (class Symbol_table): Update declarations.
 439         * layout.cc: Include "mapfile.h".
 440         (Layout_task_runner::run): Print information to mapfile.
 441         (Layout::create_gold_note): Change Output_data_fixed_space to
 442         Output_data_zero_fill.
 443         (Layout::create_build_id): Likewise.
 444         (Layout::print_to_mapfile): New function.
 445         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
 446         constructor.  Change caller.
 447         (class Layout): Declare print_to_mapfile.
 448         * output.cc (Output_section::Input_section::print_to_mapfile): New
 449         function.
 450         (Output_section::add_input_section): If producing a map, always
 451         add to input_sections_ list.
 452         (Output_section::do_print_to_mapfile): New function.
 453         (Output_segment::print_sections_to_mapfile): New function.
 454         (Output_segment::print_section_list_to_mapfile): New function.
 455         * output.h: Include "mapfile.h".
 456         (Output_data::print_to_mapfile): New function.
 457         (Output_data::do_print_to_mapfile): New virtual function.
 458         (Output_segment_headers::do_print_to_mapfile): New function.
 459         (Output_file_header::do_print_to_mapfile): New function.
 460         (Output_data_const::do_print_to_mapfile): New function.
 461         (class Output_data_const_buffer): Add map_name_ field.  Update
 462         constructor.  Change all callers.  Add do_print_to_mapfile
 463         function.
 464         (class Output_data_fixed_space): Likewise.
 465         (class Output_data_space): Likewise.
 466         (class Output_data_zero_fill): New class.
 467         (Output_data_strtab::do_print_to_mapfile): New function.
 468         (Output_data_reloc_base::do_print_to_mapfile): New function.
 469         (Output_relocatable_relocs::do_print_to_mapfile): New function.
 470         (Output_data_group::do_print_to_mapfile): New function.
 471         (Output_data_got::do_print_to_mapfile): New function.
 472         (Output_data_dynamic::do_print_to_mapfile): New function.
 473         (Output_symtab_xindex::do_print_to_mapfile): New function.
 474         (class Output_section): Declare do_print_to_mapflie.  Declare
 475         print_to_mapfile in Input_section.
 476         (class Output_segment): Declare new functions.
 477         * object.h (Sized_relobj::symbol_count): New function.
 478         * script-sections.cc
 479         (Output_section_element_dot_assignment::set_section_addresses):
 480         Change Output_data_fixed_space to Output_data_zero_fill.
 481         (Output_data_expression::do_print_to_mapfile): New function.
 482         * script.cc (read_input_script): Add mapfile parameter.  Change
 483         all callers.
 484         * script.h (read_input_script): Update declaration.
 485         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
 486         (Eh_frame::do_print_to_mapfile): New function.
 487         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
 488         (Output_merge_string::do_print_to_mapfile): New function.
 489         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
 490         function.
 491         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
 492         function.
 493         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
 494         function.
 495         * Makefile.am (CCFILES): Add mapfile.cc.
 496         (HFILES): Add mapfile.h.
 497         * Makefile.in: Rebuild.
 498
 499 2008-05-19  Ian Lance Taylor  <iant@google.com>
 500
 501         * options.h (class General_options): Add -z relro.
 502         * layout.cc (Layout::Layout): Initialize relro_segment_.
 503         (Layout::add_output_section_data): Return the output section.
 504         (Layout::make_output_section): Rcognize relro sections and mark
 505         them appropriately.
 506         (Layout::attach_allocated_section_to_segment): Put relro sections
 507         in a PT_GNU_RELRO segment.
 508         (Layout::create_initial_dynamic_sections): Mark the .dynamic
 509         section as relro.
 510         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
 511         PT_TLS segments.
 512         (Layout::linkonce_mapping): Map d.rel.ro.local to
 513         .data.rel.ro.local.
 514         (Layout::output_section_name): Us .data.rel.ro.local for any
 515         section which begins with that.
 516         * layout.h (class Layout): Update add_output_section_data
 517         declaration.  Add relro_segment_ field.
 518         * output.cc (Output_section::Output_section): Initialize is_relro_
 519         and is_relro_local_ fields.
 520         (Output_segment::add_output_section): Group relro sections.
 521         (Output_segment::is_first_section_relro): New function.
 522         (Output_segment::maximum_alignment): If there is a relro section,
 523         align the segment to the common page size.
 524         (Output_segment::set_section_addresses): Track whether we are
 525         looking at relro sections.  If the last section is a relro
 526         section, align to the common page size.
 527         (Output_segment::set_section_list_addresses): Add in_relro
 528         parameter.  Change all callers.  Align to the page size when
 529         moving from relro to non-relro section.
 530         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
 531         segment.
 532         * output.h (class Output_section): Add is_relro_ and
 533         is_relro_local_ fields.
 534         (Output_section::is_relro): New function.
 535         (Output_section::set_is_relro): New function.
 536         (Output_section::is_relro_local): New function.
 537         (Output_section::set_is_relro_local): New function.
 538         (class Output_segment): Update declarations.
 539         * i386.cc (Target_i386::got_section): Mark .got section as relro.
 540         * sparc.cc (Target_sparc::got_section): Likewise.
 541         * x86_64.cc (Target_x86_64::got_section): Likewise.
 542         * testsuite/relro_test_main.cc: New file.
 543         * testsuite/relro_test.cc: New file.
 544         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
 545         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
 546         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
 547         (relro_test.so, relro_test_pic.o): New targets.
 548         * testsuite/Makefile.in: Rebuild.
 549
 550 2008-05-16  Ian Lance Taylor  <iant@google.com>
 551
 552         * output.cc (Output_segment::add_output_section): Remove front
 553         parameter.
 554         * output.h (class Output_segment): Remove
 555         add_initial_output_section and overloaded add_output_section.
 556         Update declaration of remaining add_output_section.
 557         * layout.cc (Layout::create_interp): Call add_output_section
 558         rather than add_initial_output_section.
 559         (Layout::finish_dynamic_section): Likewise.
 560
 561         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
 562         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
 563         know the dynamic type.
 564         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
 565         field.  Initialize it in constructor.
 566         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
 567         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
 568         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
 569         reloc.
 570
 571         * output.cc (Output_reloc::get_address): Change return type to
 572         Elf_Addr.
 573         * output.h (class Output_reloc): Update get_address declaration.
 574         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
 575         for section addresses.
 576
 577 2008-05-09  Ian Lance Taylor  <iant@google.com>
 578
 579         PR 6493
 580         * gold.cc (gold_nomem): Use return value of write.
 581
 582 2008-05-08  Ian Lance Taylor  <iant@google.com>
 583
 584         * symtab.c (Symbol::init_base_output_data): Add version
 585         parameter.  Change all callers.
 586         (Symbol::init_base_output_segment): Likewise.
 587         (Symbol::init_base_constant): Likewise.
 588         (Symbol::init_base_undefined): Likewise.
 589         (Sized_symbol::init_output_data): Likewise.
 590         (Sized_symbol::init_output_segment): Likewise.
 591         (Sized_symbol::init_constant): Likewise.
 592         (Sized_symbol::init_undefined): Likewise.
 593         (Symbol_table::do_define_in_output_data): If the new symbol has a
 594         version, mark it as the default.
 595         (Symbol_table::do_define_in_output_segment): Likewise.
 596         (Symbol_table::do_define_as_constant): Likewise.
 597         * symtab.h (class Symbol): Update declarations.
 598         (class Sized_symbol): Likewise.
 599         * resolve.cc (Symbol::override_version): New function.
 600         (Symbol::override_base): Call override_version.
 601         (Symbol::override_base_with_special): Likewise.
 602         * testsuite/ver_script_8.script: New file.
 603         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
 604         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
 605         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
 606         (ver_test_8_1.so, ver_test_8_2.so): New targets.
 607
 608 2008-05-06  Ian Lance Taylor  <iant@google.com>
 609
 610         PR 6049
 611         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
 612         functions.
 613         (class General_options): Remove existing --undefined, and add
 614         --no-undefined instead.  Add new --undefined as synonym for -u.
 615         * archive.cc (Archive::add_symbols): Check whether symbol was
 616         named with -u.
 617         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
 618         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
 619         all uses.  Add IS_UNDEFINED.  Update declarations to split
 620         different versions of init_base.  Declare init_base_undefined.
 621         (Symbol::is_defined): Handle IS_UNDEFINED.
 622         (Symbol::is_undefined): Likewise.
 623         (Symbol::is_weak_undefined): Call is_undefined.
 624         (Symbol::is_absolute): Handle IS_CONSTANT.
 625         (class Sized_symbol): Update declarations to split different
 626         versions of init.  Declare init_undefined.
 627         (class Symbol_table): Declare new functions.
 628         * symtab.cc (Symbol::init_base_object): Rename from init_base.
 629         Change all callers.
 630         (Symbol::init_base_output_data): Likewise.
 631         (Symbol::init_base_output_segment): Likewise.
 632         (Symbol::init_base_constant): Likewise.
 633         (Symbol::init_base_undefined): New function.
 634         (Sized_symbol::init_object): Rename from init.  Change all
 635         callers.
 636         (Sized_symbol::init_output_data): Likewise.
 637         (Sized_symbol::init_output_segment): Likewise.
 638         (Sized_symbol::init_constant): Likewise.
 639         (Sized_symbol::init_undefined): New function.
 640         (Symbol_table::add_undefined_symbols_from_command_line): New
 641         function.
 642         (Symbol_table::do_add_undefined_symbols_from_command_line): New
 643         function.
 644         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
 645         (Symbol::output_section): Likewise.
 646         (Symbol::set_output_section): Likewise.
 647         (Symbol_table::sized_finalize_symbol): Likewise.
 648         (Symbol_table::sized_write_globals): Likewise.
 649         * resolve.cc (Symbol_table::should_override): Likewise.
 650         (Symbol::override_base_with_special): Likewise.
 651
 652         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
 653         symbol, change it to have default visibility.
 654         * testsuite/protected_1.cc: New file.
 655         * testsuite/protected_2.cc: New file.
 656         * testsuite/protected_3.cc: New file.
 657         * testsuite/protected_main_1.cc: New file.
 658         * testsuite/protected_main_2.cc: New file.
 659         * testsuite/protected_main_3.cc: New file.
 660         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
 661         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
 662         (protected_1_LDFLAGS, protected_1_LDADD): Define.
 663         (protected_1.so): New target.
 664         (protected_1_pic.o, protected_2_pic.o): New targets.
 665         (protected_3_pic.o): New target.
 666         (check_PROGRAMS): Add protected_2.
 667         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
 668         (protected_2_LDFLAGS, protected_2_LDADD): Define.
 669         * testsuite/Makefile.in: Rebuild.
 670
 671         * options.h (DEFINE_var): Add set_user_set_##varname__.
 672         (DEFINE_bool_alias): New macro.
 673         (class General_options): Define -Bstatic using DEFINE_bool_alias
 674         rather than DEFINE_special.  Add --undefined as an alias for -z
 675         defs.
 676         * options.cc (General_options::parse_Bstatic): Remove.
 677
 678         * options.h (class General_options): Add --fatal-warnings.
 679         * main.cc (main): Implement --fatal-warnings.
 680         * errors.h (Errors::warning_count): New function.
 681
 682         * options.h (class General_options): Add -Bsymbolic-functions.
 683         * symtab.h (Symbol::is_preemptible): Check for
 684         -Bsymbolic-functions.
 685
 686 2008-05-05  Ian Lance Taylor  <iant@google.com>
 687
 688         * options.h (DEFINE_bool): For DASH_Z, create the negative option
 689         as noVARNAME rather than no-VARNAME.
 690         (class General_options): Add option -z combreloc.
 691         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
 692         get_address.
 693         (Output_reloc::sort_before) [SHT_REL]: New function.
 694         (Output_reloc::sort_before) [SHT_RELA]: New function.
 695         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
 696         Sort_relocs_comparison.
 697         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
 698         parameter.  Change all callers.
 699         (Output_data_reloc::Output_data_reloc) [both versions]: Add
 700         sort_relocs parameter.  Change all callers.
 701         * output.cc (Output_reloc::get_address): New function, broken out
 702         of write_rel.
 703         (Output_reloc::write_rel): Call it.
 704         (Output_reloc::compare): New function.
 705         (Output_data_reloc_base::do_write): Optionally sort relocs.
 706
 707         * configure.ac: If targ_extra_obj is set, link it in.
 708         * configure.tgt: Initialize all variables.
 709         (x86_64*): Set targ_extra_obj and targ_extra_size.
 710         * configure: Rebuild.
 711
 712         * object.cc (Sized_relobj::include_section_group): Adjust section
 713         indexes read from group data.  Build vector to pass to
 714         layout_group.
 715         * layout.cc (Layout::layout_group): Add flags and shndxes
 716         parameters.  Remove contents parameter.  Change caller.  Update
 717         explicit instantiations.
 718         * layout.h (class Layout): Update layout_group declaration.
 719         * output.cc (Output_data_group::Output_data_group): Add flags and
 720         input_shndxes parameters.  Remove contents parameter.  Change
 721         caller.
 722         (Output_data_group::do_write): Change input_sections_ to
 723         input_shndxes_.
 724         * output.h (class Output_data_group): Update constructor
 725         declaration.  Rename input_sections_ to input_shndxes_.
 726         * testsuite/many_sections_test.cc: Add template.
 727
 728 2008-04-30  Cary Coutant  <ccoutant@google.com>
 729
 730         * target-reloc.h (relocate_section): Fix dead-pointer bug.
 731
 732         * layout.cc (Layout::include_section): Refactored check for debug
 733         info section.
 734         (Layout::add_comdat): Add new parameters.  Change type
 735         of signature parameter.  Add object and shndx to signatures table.
 736         (Layout::find_kept_object): New function.
 737         * layout.h: Include <cstring>.
 738         (Layout::is_debug_info_section): New function.
 739         (Layout::add_comdat): Add new parameters.
 740         (Layout::find_kept_object): New function.
 741         (Layout::Kept_section): New struct.
 742         (Layout::Signatures): Change type of map range.
 743         * object.cc (Relobj::output_section_address): New function.
 744         (Sized_relobj::include_section_group): Add new parameters.  Change
 745         calls to Layout::add_comdat.  Change to build table of kept comdat
 746         groups and table mapping discarded sections to kept sections.
 747         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
 748         (Sized_relobj::do_layout): Change calls to include_section_group and
 749         include_linkonce_section.
 750         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
 751         value to zero when section is discarded.
 752         (Sized_relobj::map_to_kept_section): New function.
 753         * object.h (Relobj::output_section_address): New function.
 754         (Relobj::Comdat_group): New type.
 755         (Relobj::find_comdat_group): New function.
 756         (Relobj::Comdat_group_table): New type.
 757         (Relobj::Kept_comdat_section): New type.
 758         (Relobj::Kept_comdat_section_table): New type.
 759         (Relobj::add_comdat_group): New function.
 760         (Relobj::set_kept_comdat_section): New function.
 761         (Relobj::get_kept_comdat_section): New function.
 762         (Relobj::comdat_groups_): New field.
 763         (Relobj::kept_comdat_sections_): New field.
 764         (Symbol_value::input_value): Update comment.
 765         (Sized_relobj::map_to_kept_section) New function.
 766         (Sized_relobj::include_linkonce_section): Add new parameter.
 767         * target-reloc.h (Comdat_behavior): New type.
 768         (get_comdat_behavior): New function.
 769         (relocate_section): Add code to map a discarded section to the
 770         corresponding kept section when applying a relocation.
 771
 772 2008-04-30  Craig Silverstein  <csilvers@google.com>
 773
 774         * dwarf_reader.cc (next_generation_count): New static var.
 775         (Addr2line_cache_entry): New struct.
 776         (addr2line_cache): New static var.
 777         (Dwarf_line_info::one_addr2line): Added caching.
 778         (Dwarf_line_info::clear_addr2line_cache): New function.
 779         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
 780         cache-size parameter.
 781         (Dwarf_line_info::one_addr2line_cache): New function.
 782         * symtab.cc (Symbol_table::detect_odr_violations): Pass
 783         new cache-size argument to one_addr2line(), and clear cache.
 784
 785 2008-04-28  Cary Coutant  <ccoutant@google.com>
 786
 787         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
 788         R_386_PC8 relocations.
 789
 790 2008-04-23  Ian Lance Taylor  <iant@google.com>
 791
 792         * object.cc (Sized_relobj::include_section_group): Check for
 793         invalid section group.
 794
 795         * object.cc (make_elf_object): Correct test for 64-bit ELF file
 796         header size.
 797
 798         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
 799         than read for file header.
 800         * archive.cc (Archive::include_member): Likewise.
 801
 802 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
 803
 804         * aclocal.m4: Regenerate.
 805         * configure: Regenerate.
 806
 807 2008-04-19  Ian Lance Taylor  <iant@google.com>
 808
 809         * version.cc (version_string): Bump to 1.6.
 810
 811         * testsuite/Makefile.am (many_sections_r_test): New target.
 812         (many_sections_r_test_SOURCES): Remove.
 813         (many_sections_r_test_DEPENDENCIES): Remove.
 814         (many_sections_r_test_LDFLAGS): Remove.
 815         (many_sections_r_test_LDADD): Remove.
 816
 817         * object.cc (Sized_relobj::do_add_symbols): Always pass
 818         local_symbol_count_ to add_from_relobj.
 819
 820         * testsuite/Makefile.am (many_sections_check.h): Only check one in
 821         every thousand variables.
 822         * testsuite/Makefile.in: Rebuild.
 823
 824         * object.cc (Xindex::initialize_symtab_xindex): New function.
 825         (Xindex::read_symtab_xindex): New function.
 826         (Xindex::sym_xindex_to_shndx): New function.
 827         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
 828         available.
 829         (Sized_relobj::do_initialize_xindex): New function.
 830         (Sized_relobj::do_read_symbols): Adjust section links.
 831         (Sized_relobj::symbol_section_and_value): Add is_ordinary
 832         parameter.  Change all callers.
 833         (Sized_relobj::include_section_group): Adjust section links and
 834         symbol section indexes.
 835         (Sized_relobj::do_layout): Adjust section links.
 836         (Sized_relobj::do_count_local_symbols): Adjust section links and
 837         symbol section indexes.
 838         (Sized_relobj::do_finalize_local_symbols): Distinguish between
 839         ordinary and special symbols.
 840         (Sized_relobj::write_local_symbols): Add symtab_xindex and
 841         dynsym_xindex parameters.  Change all callers.  Adjust section
 842         links.  Use SHN_XINDEX when needed.
 843         (Sized_relobj::get_symbol_location_info): Adjust section links.
 844         Don't get fooled by special symbols.
 845         * object.h (class Xindex): Define.
 846         (class Object): Add xindex_ parameter.  Declare virtual functoin
 847         do_initialize_xindex.
 848         (Object::adjust_sym_shndx): New function.
 849         (Object::set_xindex): New protected function.
 850         (class Symbol_value): Add is_ordinary_shndx_ field.
 851         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
 852         (Symbol_value::value): Assert ordinary section.
 853         (Symbol_value::initialize_input_to_output_map): Likewise.
 854         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
 855         Change all callers.
 856         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
 857         all callers.
 858         (class Sized_relobj): Update declarations.
 859         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
 860         parameter.  Change all callers.
 861         (Sized_relobj::adjust_shndx): New function.
 862         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
 863         field.
 864         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
 865         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
 866         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
 867         (Sized_dynobj::read_dynsym_section): Adjust section links.
 868         (Sized_dynobj::read_dynamic): Likewise.
 869         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
 870         section links.
 871         (Sized_dynobj::do_initialize_xindex): New function.
 872         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
 873         do_initialize_xindex.
 874         (Sized_dynobj::adjust_shndx): New function.
 875         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
 876         dynsym_xindex_ fields.
 877         (Layout::finalize): Add a call to set_section_indexes before
 878         creating the symtab sections.
 879         (Layout::set_section_indexes): Don't do anything if the section
 880         already has a section index.
 881         (Layout::create_symtab_sections): Add shnum parameter.  Change
 882         caller.  Create .symtab_shndx section if needed.
 883         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
 884         caller.
 885         (Layout::allocated_output_section_count): New function.
 886         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
 887         needed.
 888         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
 889         fields.  Update declarations.
 890         (Layout::symtab_xindex): New function.
 891         (Layout::dynsym_xindex): New function.
 892         (class Write_symbols_task): Add layout_ field.
 893         (Write_symbols_task::Write_symbols_task): Add layout parameter.
 894         Change caller.
 895         * output.cc (Output_section_headers::Output_section_headers): Add
 896         shstrtab_section parameter.  Change all callers.
 897         (Output_section_headers::do_sized_write): Store overflow values
 898         for section count and section string table section index in
 899         section header zero.
 900         (Output_file_header::do_sized_write): Check for overflow of
 901         section count and section string table section index.
 902         (Output_symtab_xindex::do_write): New function.
 903         (Output_symtab_xindex::endian_do_write): New function.
 904         * output.h (class Output_section_headers): Add shstrtab_section_.
 905         Update declarations.
 906         (class Output_symtab_xindex): Define.
 907         (Output_section::has_out_shndx): New function.
 908         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
 909         field.
 910         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
 911         Change all callers.
 912         (Sized_symbol::init): Likewise.
 913         (Symbol::output_section): Check for ordinary symbol.
 914         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
 915         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
 916         callers.
 917         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
 918         Change all callers.  Simplify handling of symbols from sections
 919         not included in the link.
 920         (Symbol_table::add_from_dynobj): Handle ordinary symbol
 921         distinction.
 922         (Weak_alias_sorter::operator()): Assert that symbols are
 923         ordinary.
 924         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
 925         distinction.
 926         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
 927         parameters.  Change all callers.
 928         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
 929         symbol distinction.  Use SHN_XINDEX when needed.
 930         (Symbol_table::write_section_symbol): Add symtab_xindex
 931         parameter.  Change all callers.
 932         (Symbol_table::sized_write_section_symbol): Likewise.  Use
 933         SHN_XINDEX when needed.
 934         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
 935         declarations.
 936         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
 937         (Symbol::is_defined): Check is_ordinary.
 938         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
 939         (Symbol::is_absolute, Symbol::is_common): Likewise.
 940         (class Sized_symbol): Update declarations.
 941         (class Symbol_table): Update declarations.
 942         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
 943         parameters.  Change all callers.
 944         (Sized_symbol::override): Likewise.
 945         (Symbol_table::override): Likewise.
 946         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
 947         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
 948         is_ordinary, and orig_st_shndx parameters.  Change all callers.
 949         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
 950         to be in an ordinary section.
 951         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
 952         object and is_ordinary parameters.  Change all callers.
 953         (Sized_dwarf_line_info::read_relocs): Add object parameter.
 954         Change all callers.  Don't add undefined or non-ordinary symbols
 955         to reloc_map_.
 956         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
 957         Change all callers.
 958         * dwarf_reader.h (class Sized_dwarf_line_info): Update
 959         declarations.
 960         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
 961         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
 962         (Sized_relobj::relocate_sections): Likewise.
 963         * target-reloc.h (scan_relocs): Adjust section symbol index.
 964         (scan_relocatable_relocs): Likewise.
 965         * i386.cc (Scan::local): Check for ordinary symbols.
 966         * sparc.cc (Scan::local): Likewise.
 967         * x86_64.cc (Scan::local): Likewise.
 968         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
 969         to symbol_section_and_value.
 970         * testsuite/many_sections_test.cc: New file.
 971         * testsuite/Makefile.am (BUILT_SOURCES): Define.
 972         (check_PROGRAMS): Add many_sections_test.
 973         (many_sections_test_SOURCES): Define.
 974         (many_sections_test_DEPENDENCIES): Define.
 975         (many_sections_test_LDFLAGS): Define.
 976         (BUILT_SOURCES): Add many_sections_define.h.
 977         (many_sections_define.h): New target.
 978         (BUILT_SOURCES): Add many_sections_check.h.
 979         (many_sections_check.h): New target.
 980         (check_PROGRAMS): Add many_sections_r_test.
 981         (many_sections_r_test_SOURCES): Define.
 982         (many_sections_r_test_DEPENDENCIES): Define.
 983         (many_sections_r_test_LDFLAGS): Define.
 984         (many_sections_r_test_LDADD): Define.
 985         (many_sections_r_test.o): New target.
 986         * testsuite/Makefile.in: Rebuild.
 987
 988 2008-04-17  Cary Coutant  <ccoutant@google.com>
 989
 990         * errors.cc (Errors::info): New function.
 991         (gold_info): New function.
 992         * errors.h (Errors::info): New function.
 993         * gold.h (gold_info): New function.
 994         * object.cc (Input_objects::add_object): Print trace output.
 995         * options.cc (options::parse_set): New function.
 996         (General_options::parse_wrap): Deleted.
 997         (General_options::General_options): Deleted initializer.
 998         * options.h (options::String_set): New typedef.
 999         (options::parse_set): New function.
1000         (DEFINE_set): New macro.
1001         (General_options::wrap): Changed to use DEFINE_set. Changed
1002         callers of any_wrap_symbols and is_wrap_symbol.
1003         (General_options::trace, General_options::trace_symbol):
1004         New options.
1005         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
1006         (General_options::wrap_symbols_): Deleted.
1007         * symtab.cc (Symbol_table::add_from_object): Print trace output.
1008
1009 2008-04-17  David S. Miller  <davem@davemloft.net>
1010
1011         * options.cc (General_options::parse_V): New function.
1012         * options.h: Add entries for -V and -Qy.
1013
1014 2008-04-17  Ian Lance Taylor  <iant@google.com>
1015
1016         * common.cc (Symbol_table::allocate_commons): Remove options
1017         parameter.  Change caller.
1018         (Symbol_table::do_allocate_commons): Remove options parameter.
1019         Change caller.  Just call do_allocate_commons_list twice.
1020         (Symbol_table::do_allocate_commons_list): New function, broken out
1021         of do_allocate_commons.
1022         * common.h (class Allocate_commons_task): Remove options_ field.
1023         Update constructor.
1024         * symtab.cc (Symbol_table::Symbol_table): Initialize
1025         tls_commons_.
1026         (Symbol_table::add_from_object): Put TLS common symbols on
1027         tls_commons_ list.
1028         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
1029         which are IN_OUTPUT_DATA.
1030         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
1031         allocate_commons and do_allocate_commons declarations.  Declare
1032         do_allocate_commons_list.
1033         * gold.cc (queue_middle_tasks): Update creation of
1034         Allocate_commons_task to not pass options.
1035         * testsuite/Makefile.am (INCLUDES): Add -I.. .
1036         (TLS_TEST_C_FLAGS): New variable.
1037         (tls_test_c_pic.o): New target.
1038         (tls_test_shared.so): Link in tls_test_c_pic.o.
1039         (tls_test_c_pic_ie.o): New target.
1040         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
1041         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
1042         (tls_test_c.o): New target.
1043         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
1044         (tls_pic_test_LDADD): Likewise.
1045         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
1046         (tls_shared_gd_to_ie_test_LDADD): Likewise.
1047         (tls_test_c_gnu2.o): New target.
1048         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
1049         tls_test_c_gnu2.o.
1050         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
1051         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
1052         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
1053         * testsuite/tls_test.cc: Include "config.h".
1054         (t_last): Call t11_last.
1055         * testsuite/tls_test.h (t11, t11_last): Declare.
1056         * testsuite/tls_test_c.c: New file.
1057         * testsuite/tls_test_main.cc (thread_routine): Call t11.
1058         * configure.ac: Check for OpenMP support.
1059         * configure, config.in, Makefile.in: Rebuild.
1060         * testsuite/Makefile.in: Rebuild.
1061
1062 2008-04-16  Cary Coutant  <ccoutant@google.com>
1063
1064         * i386.cc (Target_i386::define_tls_base_symbol): New function.
1065         (Target_i386::tls_base_symbol_defined_): New field.
1066         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
1067         (Target_i386::Scan::global): Likewise.
1068         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
1069         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
1070         (Target_x86_64::tls_base_symbol_defined_): New field.
1071         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
1072         (Target_x86_64::Scan::global): Likewise.
1073
1074 2008-04-16  Cary Coutant  <ccoutant@google.com>
1075
1076         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
1077         (Symbol::needs_plt_entry): Allow weak undefined symbols.
1078         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
1079         building shared libraries.
1080         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
1081         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
1082         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
1083         * testsuite/Makefile.in: Rebuild.
1084         * testsuite/weak_undef.h: New file.
1085         * testsuite/weak_undef_file1.cc: Add extra test cases.
1086         * testsuite/weak_undef_file2.cc: Likewise.
1087         * testsuite/weak_undef_test.cc: Likewise.
1088
1089 2008-04-16  David S. Miller  <davem@davemloft.net>
1090
1091         * sparc.cc (Target_sparc::Scan): Change from struct to class.
1092         Add issued_non_pic_error_ field.  Declare check_non_pic.
1093         (Target_sparc::Scan::check_non_pic): New function.
1094         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
1095         (Target_sparc::Scan::global): Likewise.
1096
1097         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
1098         * configure: Rebuild.
1099
1100         * options.h (DEFINE_enable): New macro.
1101         (new_dtags): New enable option.
1102         (initfirst, interpose, loadfltr, nodefaultlib,
1103         nodelete, nodlopen, nodump): New -z options.
1104         * layout.cc (Layout:finish_dynamic_section): If new
1105         dtags enabled, emit DT_RUNPATH.  Also, emit a
1106         DT_FLAGS_1 containing any specified -z flags.
1107
1108 2008-04-16  Ian Lance Taylor  <iant@google.com>
1109
1110         * copy-relocs.cc: New file.
1111         * copy-relocs.h: New file.
1112         * reloc.cc: Remove Copy_relocs code.
1113         * reloc.h: Likewise.
1114         * reloc-types.h (struct Reloc_types) [both versions]: Add
1115         get_reloc_addend_noerror.
1116         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
1117         variants of add_global which take an addend which must be zero.
1118         * i386.cc: Include "copy-relocs.h".
1119         (class Target_i386): Change type of copy_relocs_ to variable,
1120         update initializer.
1121         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
1122         Change all callers.
1123         (Target_i386::do_finalize_sections): Change handling of
1124         copy_relocs_.
1125         * sparc.cc: Include "copy-relocs.h".
1126         (class Target_sparc): Change type of copy_relocs_ to variable,
1127         update initializer.
1128         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
1129         Change all callers.
1130         (Target_sparc::do_finalize_sections): Change handling of
1131         copy_relocs_.
1132         * x86_64.cc: Include "copy-relocs.h".
1133         (class Target_x86_64): Change type of copy_relocs_ to variable,
1134         update initializer.
1135         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
1136         class.  Change all callers.
1137         (Target_x86_64::do_finalize_sections): Change handling of
1138         copy_relocs_.
1139         * Makefile.am (CCFILES): Add copy-relocs.cc.
1140         (HFILES): Add copy-relocs.h.
1141
1142         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
1143
1144         * testsuite/script_test_4.sh: Permit leading zeroes.
1145
1146 2008-04-15  Ian Lance Taylor  <iant@google.com>
1147
1148         * script-sections.cc (Script_sections::create_segments): Use
1149         header_size_adjustment even when there is enough room for the
1150         headers.
1151         * testsuite/script_test_4.sh: New file.
1152         * testsuite/script_test_4.t: New file.
1153         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
1154         (check_DATA): Add script_test_4.stdout.
1155         (MOSTLYCLEANFILES): Likewise.
1156         (script_test_4): New target.
1157         (script_test_4.stdout): New target.
1158         * testsuite/Makefile.in: Rebuild.
1159
1160         * sparc.cc: Add definitions for Output_data_plt_sparc class
1161         constants.
1162
1163 2008-04-14  David S. Miller  <davem@davemloft.net>
1164
1165         * sparc.cc: New file.
1166         * Makefile.am (TARGETSOURCES): Add sparc.cc
1167         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
1168         * configure.tgt: Document targ_extra_size and
1169         targ_extra_big_endian.  Add entries for sparc-* and
1170         sparc64-*.
1171         * configure.ac: Handle targ_extra_size and
1172         targ_extra_big_endian.
1173         * Makefile.in: Rebuild.
1174         * configure: Likewise.
1175         * po/POTFILES.in: Likewise.
1176         * po/gold.pot: Likewise.
1177
1178 2008-04-14  Ian Lance Taylor  <iant@google.com>
1179
1180         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
1181         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
1182         in the name/type/flags to section mapping.  Don't call
1183         allocate_output_section.
1184         (Layout::choose_output_section): Change parameter from adjust_name
1185         to is_input_section.  Don't permit input sections after sections
1186         are attached to segments.  Don't call allocate_output_section.
1187         (Layout::layout_eh_frame): Call update_flags_for_input_section,
1188         not write_enable_output_section.
1189         (Layout::make_output_section): Don't push to
1190         unattached_section_list_ nor call attach_to_segment.  Call
1191         attach_section_to_segment if sections are attached.
1192         (Layout::attach_sections_to_segments): New function.
1193         (Layout::attach_section_to_segment): New function.
1194         (Layout::attach_allocated_section_to_segment): Rename from
1195         attach_to_segment.  Remove flags parameter.
1196         (Layout::allocate_output_section): Remove function.
1197         (Layout::write_enable_output_section): Remove function.
1198         * layout.h (class Layout): Update for above changes.  Add new
1199         field sections_are_attached_.
1200         * output.h (Output_section::update_flags_for_input_section): New
1201         function.
1202         * output.cc (Output_section::add_input_section): Call
1203         update_flags_for_input_section.
1204         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
1205
1206 2008-04-11  Cary Coutant  <ccoutant@google.com>
1207
1208         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
1209         thought unnecessary.
1210         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
1211
1212 2008-04-11  Ian Lance Taylor  <iant@google.com>
1213
1214         * output.h (class Output_section_data): Remove inline definition
1215         of set_addralign.
1216         * output.cc (Output_section_data::set_addralign): New function.
1217
1218 2008-04-11  Cary Coutant  <ccoutant@google.com>
1219
1220         Add support for TLS descriptors for i386 and x86_64.
1221         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
1222         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
1223         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
1224         GOT_TYPE_TLS_DESC.
1225         (Target_i386::got_mod_index_entry): Remove unnecessary code.
1226         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
1227         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
1228         relocations.
1229         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
1230         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
1231         Fix problem with initial-exec relocations.
1232         (Target_i386::Relocate::relocate_tls): Likewise.
1233         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
1234         relaxation.
1235         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
1236         support for section-plus-offset dynamic table entries.
1237         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
1238         (Output_data_dynamic::Dynamic_entry): Add support for
1239         section-plus-offset dynamic table entries.
1240         (Output_data_dynamic::Classification): Likewise.
1241         (Output_data_dynamic::classification_): Renamed offset_.
1242         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
1243         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
1244         (Target_x86_64::make_plt_section): New function.
1245         (Target_x86_64::reserve_tlsdesc_entries): New function.
1246         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
1247         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
1248         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
1249         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
1250         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
1251         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
1252         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
1253         add extra PLT entry for TLS descriptors.
1254         (Output_data_plt_x86_64::got_): New field.
1255         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
1256         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
1257         fields.
1258         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
1259         descriptors.
1260         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
1261         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
1262         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
1263         R_386_TLS_DESC_CALL relocations.
1264         (Target_x86_64::Scan::global): Likewise.
1265         (Target_x86_64::do_finalize_sections): Add dynamic table entries
1266         for TLS descriptors.
1267         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
1268         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
1269         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
1270         GD-to-IE relaxation.
1271         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
1272         and TLS_DESCRIPTORS.
1273         * Makefile.in: Rebuild.
1274         * configure: Rebuild.
1275         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
1276         (tls_test_shared2.so): New target.
1277         (tls_shared_gd_to_ie_test_SOURCES): New variable.
1278         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
1279         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
1280         (tls_shared_gd_to_ie_test_LDADD): New variable.
1281         (tls_shared_gnu2_gd_to_ie_test): New target.
1282         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
1283         New targets.
1284         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
1285         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
1286         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
1287         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
1288         (tls_shared_gnu2_test): New target.
1289         (tls_test_gnu2_shared.so): New target.
1290         (tls_shared_gnu2_test_SOURCES): New variable.
1291         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
1292         (tls_shared_gnu2_test_LDFLAGS): New variable.
1293         (tls_shared_gnu2_test_LDADD): New variable.
1294         * testsuite/Makefile.in: Rebuild.
1295         * testsuite/Makefile.
1296
1297 2008-04-11  Ian Lance Taylor  <iant@google.com>
1298
1299         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
1300         justsyms.t.
1301         * testsuite/Makefile.in: Rebuild.
1302
1303         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
1304         long.
1305         * testsuite/script_test_2.cc (main): Adjust test.
1306
1307 2008-04-11  David S. Miller  <davem@davemloft.net>
1308             Ian Lance Taylor  <iant@google.com>
1309
1310         * options.h (General_options): Add entries for '-Y' and
1311         '-relax'.
1312         * options.cc (General_options:finalize): If -Y was used, add those
1313         entries to the library path instead of the default "/lib" and
1314         "/usr/lib".
1315
1316 2008-04-11  David S. Miller  <davem@davemloft.net>
1317
1318         * testsuite/justsyms.t: Start at 0x100.
1319         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
1320         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
1321         long.
1322         * testsuite/script_test_2.cc: Adjust string and section length
1323         checks.
1324
1325 2008-04-09  Ian Lance Taylor  <iant@google.com>
1326
1327         PR gold/5996
1328         * script-sections.cc (Sections_element::allocate_to_segment): Add
1329         orphan parameter.
1330         (Output_section_definition::allocate_to_segment): Likewise.
1331         (Orphan_output_section::allocate_to_segment): Likewise.
1332         (Script_sections::attach_sections_using_phdrs_clause): Don't
1333         propagate non-PT_LOAD segments to orphan sections.
1334         * testsuite/Makefile.am (script_test_3.stdout): Generate using
1335         readelf rather than objdump.
1336         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
1337         .interp section and PT_INTERP segment are the same size.
1338         * testsuite/Makefile.in: Rebuild.
1339
1340         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
1341         aliases for symbols defined in the same object.
1342         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
1343         (weak_alias_test_SOURCES): New variable.
1344         (weak_alias_test_DEPENDENCIES): New variable.
1345         (weak_alias_test_LDFLAGS): New variable.
1346         (weak_alias_test_LDADD): New variable.
1347         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
1348         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
1349         (weak_alias_test_3.o): New target.
1350         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
1351         * testsuite/weak_alias_test_main.cc: New file.
1352         * testsuite/weak_alias_test_1.cc: New file.
1353         * testsuite/weak_alias_test_2.cc: New file.
1354         * testsuite/weak_alias_test_3.cc: New file.
1355
1356 2008-04-08  Ian Lance Taylor  <iant@google.com>
1357
1358         * options.h (class General_options): Add --noinhibit-exec option.
1359         * main.cc (main): Check --noinhibit-exec.
1360
1361         * options.h (class General_options): Define --wrap as a special
1362         option.  Add wrap_symbols_ field.
1363         (General_options::any_wrap_symbols): New function.
1364         (General_options::is_wrap_symbol): New function.
1365         * options.cc (General_options::parse_wrap): New function.
1366         (General_options::General_options): Initialize wrap_symbols_.
1367         * symtab.cc (Symbol_table::wrap_symbol): New function.
1368         (Symbol_table::add_from_object): Handle --wrap.
1369         * symtab.h (class Symbol_table): Declare wrap_symbol.
1370         * target.h (Target::wrap_char): New function.
1371         (Target::Target_info): Add wrap_char field.
1372         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
1373         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1374         * testsuite/testfile.cc (Target_test::test_target_info):
1375         Likewise.
1376
1377         * errors.cc (Errors::undefined_symbol): Mention symbol version if
1378         there is one.
1379
1380         * layout.h (class Layout): Add added_eh_frame_data_ field.
1381         * layout.cc (Layout::Layout): Initialize new field.
1382         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
1383         output section until we find a section we merged successfully.
1384         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
1385         that the size be non-zero.
1386
1387         * merge.cc (Object_merge_map::get_output_offset): Remove inline
1388         qualifier.
1389
1390 2008-04-08  Craig Silverstein  <csilvers@google.com>
1391
1392         * configure.ac: Export new conditional variable HAVE_ZLIB.
1393         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
1394         on HAVE_ZLIB.
1395         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
1396         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
1397
1398 2008-04-07  Ian Lance Taylor  <iant@google.com>
1399
1400         * version.cc (version_string): Set to "1.5".
1401
1402         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
1403         Add issued_non_pic_error_ field.  Declare check_non_pic.
1404         (Target_x86_64::Scan::check_non_pic): New function.
1405         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
1406         (Target_x86_64::Scan::global): Likewise.
1407
1408         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
1409         addend parameter.  Change caller.  Handle merge sections.
1410         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
1411         Address to Addend.  Don't add in the result of
1412         local_section_offset, pass down the addend and use the returned
1413         value.
1414         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
1415         Update declarations of local_section_offset and symbol_value.
1416         * testsuite/two_file_test_1.cc (t18): New function.
1417         * testsuite/two_file_test_2.cc (f18): New function.
1418         * testsuite/two_file_test_main.cc (main): Call t18.
1419         * testsuite/two_file_test.h (t18, f18): Declare.
1420
1421         * configure.ac: Don't test for objdump, c++filt, or readelf.
1422         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
1423         conditionals.
1424         (TEST_READELF): New variable.
1425         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
1426         (check_PROGRAMS): Add two_file_strip_test.
1427         (two_file_strip_test): New target.
1428         (check_PROGRAMS): Add two_file_same_shared_strip_test.
1429         (two_file_same_shared_strip_test_SOURCES): New variable.
1430         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
1431         (two_file_same_shared_strip_test_LDFLAGS): New variable.
1432         (two_file_same_shared_strip_test_LDADD): New variable.
1433         (two_file_shared_strip.so): New target.
1434         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
1435         (ver_test_5.syms, ver_test_7.syms): Likewise.
1436         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
1437         (strip_test_3.stdout): Use TEST_OBJDUMP.
1438         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
1439
1440 2008-04-04  Cary Coutant  <ccoutant@google.com>
1441
1442         * symtab.h (Symbol::is_weak_undefined): New function.
1443         (Symbol::is_strong_undefined): New function.
1444         (Symbol::is_absolute): New function.
1445         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
1446         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
1447         absolute symbols.
1448         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
1449         (weak_undef_test): New target.
1450         * testsuite/Makefile.in: Rebuild.
1451         * testsuite/weak_undef_file1.cc: New file.
1452         * testsuite/weak_undef_file2.cc: New file.
1453         * testsuite/weak_undef_test.cc: New file.
1454
1455 2008-04-03  Craig Silverstein  <csilvers@google.com>
1456
1457         * compressed_output.h (class Output_compressed_section): Use
1458         unsigned buffer.
1459         * compressed_output.cc (zlib_compress): Use unsigned buffers,
1460         add zlib header.
1461         (zlib_compressed_suffix): Removed.
1462         (Output_compressed_section::set_final_data_size): Use unsigned
1463         buffers.
1464         * testsuite/Makefile.am (flagstest_compress_debug_sections):
1465         Fix linker invocation.
1466         (flagstest_o_specialfile_and_compress_debug_sections):
1467         Likewise.
1468         * testsuite/Makefile.in: Regenerated.
1469
1470 2008-04-02  David S. Miller  <davem@davemloft.net>
1471
1472         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
1473         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
1474
1475 2008-04-02  Craig Silverstein  <csilvers@google.com>
1476
1477         * TODO: New file.
1478
1479 2008-04-02  Ian Lance Taylor  <iant@google.com>
1480
1481         * fileread.cc (File_read::find_view): Add byteshift and vshifted
1482         parameters.  Update for new key type to views_.  Change all
1483         callers.
1484         (File_read::read): Adjust for byteshift in returned view.
1485         (File_read::add_view): New function, broken out of
1486         find_and_make_view.
1487         (File_read::make_view): New function, broken out of
1488         find_and_make_view.
1489         (File_read::find_or_make_view): Add offset and aligned
1490         parameters.  Rewrite accordingly.  Change all callers.
1491         (File_read::get_view): Add offset and aligned parameters.  Adjust
1492         for byteshift in return value.
1493         (File_read::get_lasting_view): Likewise.
1494         * fileread.h (class File_read): Update declarations.
1495         (class File_read::View): Add byteshift_ field.  Add byteshift to
1496         constructor.  Add byteshift method.
1497         * archive.h (Archive::clear_uncached_views): New function.
1498         (Archive::get_view): Add aligned parameter.  Change all callers.
1499         * object.h (Object::get_view): Add aligned parameter.  Change all
1500         callers.
1501         (Object::get_lasting_view): Likewise.
1502
1503         * fileread.cc (File_read::release): Don't call clear_views if
1504         there are multiple objects.
1505         * fileread.h (File_read::clear_uncached_views): New function.
1506         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
1507         on the archive.
1508
1509 2008-03-31  Cary Coutant  <ccoutant@google.com>
1510
1511         Add thin archive support.
1512         * archive.cc (Archive::armagt): New const.
1513         (Archive::setup): Remove task parameter and calls to unlock.
1514         (Archive::unlock_nested_archives): New function.
1515         (Archive::read_header): Add nested_off parameter. Change
1516         all callers.
1517         (Archive::interpret_header): Likewise.
1518         (Archive::include_all_members): Change to handle thin
1519         archives.
1520         (Archive::include_member): Likewise.
1521         * archive.h (Archive::Archive): Add new parameters and
1522         initializers.
1523         (Archive::armagt): New const.
1524         (Archive::setup): Remove task parameter.
1525         (Archive::unlock_nested_archives): New function.
1526         (Archive::read_header): Add nested_off parameter.
1527         (Archive::interpret_header): Likewise.
1528         (Archive::Nested_archive_table): New typedef.
1529         (Archive::is_thin_archive_): New field.
1530         (Archive::nested_archives_): New field.
1531         (Archive::options_): New field.
1532         (Archive::dirpath_): New field.
1533         (Archive::task_): New field.
1534         * readsyms.cc (Read_symbols::do_read_symbols): Add check
1535         for thin archives.  Pass additional parameters to
1536         Archive::Archive.  Unlock the archive file after calling
1537         Archive::setup.
1538
1539 2008-03-29  Ian Lance Taylor  <iant@google.com>
1540
1541         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
1542         version symbol to be local.
1543         * testsuite/ver_test_4.sh: New file.
1544         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
1545         (check_DATA): Add ver_test_4.syms.
1546         (ver_test_4.syms): New target.
1547         * testsuite/Makefile.in: Rebuild.
1548
1549         * output.cc
1550         (Output_section::Input_section_sort_entry::has_priority): New
1551         function.
1552         (Output_section::Input_section_sort_entry::match_file_name): New
1553         function.
1554         (Output_section::Input_section_sort_entry::match_section_name):
1555         Remove.
1556         (Output_section::Input_section_sort_entry::match_section_name_prefix):
1557         Remove.
1558         (Output_section::Input_section_sort_entry::match_section_file):
1559         Remove.
1560         (Output_section::Input_section_sort_compare::operator()): Rewrite
1561         using new Input_section_sort_entry functions.  Sort crtbegin and
1562         crtend first.  Sort sections with no priority before sections with
1563         a priority.
1564         * testsuite/initpri1.c (d3): Check j != 4.
1565         (cd5): New constructor/destructor function.
1566         (main): Check j != 2.
1567
1568         * symtab.cc (Symbol_table::add_from_object): If we don't use the
1569         new symbol when resolving, don't call set_is_default.
1570         * testsuite/ver_test_7.cc: New file.
1571         * testsuite/ver_test_7.sh: New file.
1572         * testsuite/Makefile.am (ver_test_7.so): New target.
1573         (ver_test_7.o): New target.
1574         (check_SCRIPTS): Add ver_test_7.sh.
1575         (check_DATA): Add ver_test_7.syms.
1576         (ver_test_7.syms): New target.
1577
1578 2008-03-28  Ian Lance Taylor  <iant@google.com>
1579
1580         * layout.cc (Layout::layout): If we see an input section with a
1581         name that needs sorting, set the must_sort flag for the output
1582         section.
1583         (Layout::make_output_section): If the name of the output section
1584         indicates that it might require sorting, set the may_sort flag.
1585         * output.h (Output_section::may_sort_attached_input_sections): New
1586         function.
1587         (Output_section::set_may_sort_attached_input_sections): New
1588         function.
1589         (Output_section::must_sort_attached_input_sections): New
1590         function.
1591         (Output_section::set_must_sort_attached_input_sections): New
1592         function.
1593         (class Output_section): Declare Input_section_sort_entry.  Define
1594         Input_section_sort_compare.  Declare
1595         sort_attached_input_sections.  Add new fields:
1596         may_sort_attached_input_sections_,
1597         must_sort_attached_input_sections_,
1598         attached_input_sections_are_sorted_.
1599         * output.cc (Output_section::Output_section): Initialize new
1600         fields.
1601         (Output_section::add_input_section): Add an entry to
1602         input_sections_ if may_sort or must_sort are true.
1603         (Output_section::set_final_data_size): Call
1604         sort_attached_input_sections if necessary.
1605         (Output_section::Input_section_sort_entry): Define new class.
1606         (Output_section::Input_section_sort_compare::operator()): New
1607         function.
1608         (Output_section::sort_attached_input_sections): New function.
1609         * configure.ac: Check whether the compiler supports constructor
1610         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
1611         * testsuite/initpri1.c: New file.
1612         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
1613         CONSTRUCTOR_PRIORITY.
1614         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
1615         (initpri1_LDFLAGS): New variable.
1616         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
1617
1618 2008-03-27  Ian Lance Taylor  <iant@google.com>
1619
1620         * common.cc (Sort_commons::operator): Correct sorting algorithm.
1621         * testsuite/common_test_1.c: New file.
1622         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
1623         (common_test_1_SOURCES): New variable.
1624         (common_test_1_DEPENDENCIES): New variable.
1625         (common_test_1_LDFLAGS): New variable.
1626
1627         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
1628         and commons_ correctly when NAME/VERSION does not override
1629         NAME/NULL.
1630         * testsuite/ver_test_6.c: New file.
1631         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
1632         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
1633         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
1634
1635 2008-03-26  Ian Lance Taylor  <iant@google.com>
1636
1637         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
1638         of an undefined symbol from a version script.
1639         * testsuite/Makefile.am (ver_test_5.so): New target.
1640         (ver_test_5.o): New target.
1641         (check_SCRIPTS): Add ver_test_5.sh.
1642         (check_DATA): Add ver_test_5.syms.
1643         (ver_test_5.syms): New target.
1644         * testsuite/ver_test_5.cc: New file.
1645         * testsuite/ver_test_5.script: New file.
1646         * testsuite/ver_test_5.sh: New file.
1647         * Makefile.in, testsuite/Makefile.in: Rebuild.
1648
1649         PR gold/5986
1650         Fix problems building gold with gcc 4.3.0.
1651         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
1652         (gold_error_at_location, gold_warning_at_location): Use it.
1653         * configure.ac: Check whether we can compile and use a template
1654         function with a printf attribute.
1655         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
1656         when jumping over bytes.
1657         * object.cc: Instantiate Object::read_section_data.
1658         * debug.h: Include <cstring>
1659         * dwarf_reader.cc: Include <algorithm>
1660         * main.cc: Include <cstring>.
1661         * options.cc: Include <cstring>.
1662         * output.cc: Include <cstring>.
1663         * script.cc: Include <cstring>.
1664         * script.h: Include <string>.
1665         * symtab.cc: Include <cstring> and <algorithm>.
1666         * target-select.cc: Include <cstring>.
1667         * version.cc: Include <string>.
1668         * testsuite/testmain.cc: Include <cstdlib>.
1669         * configure, config.in: Rebuild.
1670
1671 2008-03-25  Ian Lance Taylor  <iant@google.com>
1672
1673         * options.cc: Include "../bfd/bfdver.h".
1674         (options::help): Print bug reporting address.
1675
1676         * version.cc (print_version): Adjust output for current value of
1677         BFD_VERSION_STRING.
1678
1679         * NEWS: New file.
1680
1681         * options.cc (options::help): Print list of supported targets.
1682         * target-select.h: Include <vector>.
1683         (class Target_selector): Make machine_, size_, and is_big_endian_
1684         fields const.  Add bfd_name_ and instantiated_target_ fields.
1685         (Target_selector::Target_selector): Add bfd_name parameter.
1686         (Target_selector::recognize): Make non-virtual, call
1687         do_recognize.
1688         (Target_selector::recognize_by_name): Make non-virtual, call
1689         do_recognize_by_name.
1690         (Target_selector::supported_names): New function.
1691         (Target_selector::bfd_name): New function.
1692         (Target_selector::do_instantiate_target): New pure virtual
1693         function.
1694         (Target_selector::do_recognize): New virtual function.
1695         (Target_selector::do_recognize_by_name): New virtual function.
1696         (Target_selector::instantiate_target): New private function.
1697         (supported_target_names): Declare.
1698         * target-select.cc (Target_selector::Target_selector): Update for
1699         new parameter and fields.
1700         (select_target_by_name): Check that the name matches before
1701         calling recognize_by_name.
1702         (supported_target_names): New function.
1703         * i386.cc (class Target_selector_i386): Update Target_selector
1704         constructor call.  Remove recognize and recognize_by_name.  Add
1705         do_instantiate_target.
1706         * x86_64.cc (class Target_selector_x86_64): Likewise.
1707         * testsuite/testfile.cc (class Target_selector_test): Update for
1708         changes to Target_selector.
1709
1710         * README: Rewrite, with some notes on unsupported features.
1711
1712 2008-03-24  Cary Coutant  <ccoutant@google.com>
1713
1714         * i386.cc (Target_i386::Got_type): New enum declaration.
1715         (Target_i386::Scan::local): Updated callers of Output_data_got
1716         member functions.
1717         (Target_i386::Scan::global): Likewise.
1718         (Target_i386::Relocate::relocate): Likewise.
1719         (Target_i386::Relocate::relocate_tls): Likewise.
1720         * object.h (Got_offset_list): New class.
1721         (Sized_relobj::local_has_got_offset): Added got_type parameter.
1722         (Sized_relobj::local_got_offset): Likewise.
1723         (Sized_relobj::set_local_got_offset): Likewise.
1724         (Sized_relobj::local_has_tls_got_offset): Removed.
1725         (Sized_relobj::local_tls_got_offset): Removed.
1726         (Sized_relobj::set_local_tls_got_offset): Removed.
1727         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
1728         * output.cc (Output_data_got::add_global): Added got_type parameter.
1729         (Output_data_got::add_global_with_rel): Likewise.
1730         (Output_data_got::add_global_with_rela): Likewise.
1731         (Output_data_got::add_global_pair_with_rel): New function.
1732         (Output_data_got::add_global_pair_with_rela): New function.
1733         (Output_data_got::add_local): Added got_type parameter.
1734         (Output_data_got::add_local_with_rel): Likewise.
1735         (Output_data_got::add_local_with_rela): Likewise.
1736         (Output_data_got::add_local_pair_with_rel): New function.
1737         (Output_data_got::add_local_pair_with_rela): New function.
1738         (Output_data_got::add_global_tls): Removed.
1739         (Output_data_got::add_global_tls_with_rel): Removed.
1740         (Output_data_got::add_global_tls_with_rela): Removed.
1741         (Output_data_got::add_local_tls): Removed.
1742         (Output_data_got::add_local_tls_with_rel): Removed.
1743         (Output_data_got::add_local_tls_with_rela): Removed.
1744         * output.h (Output_data_got::add_global): Added got_type parameter.
1745         (Output_data_got::add_global_with_rel): Likewise.
1746         (Output_data_got::add_global_with_rela): Likewise.
1747         (Output_data_got::add_global_pair_with_rel): New function.
1748         (Output_data_got::add_global_pair_with_rela): New function.
1749         (Output_data_got::add_local): Added got_type parameter.
1750         (Output_data_got::add_local_with_rel): Likewise.
1751         (Output_data_got::add_local_with_rela): Likewise.
1752         (Output_data_got::add_local_pair_with_rel): New function.
1753         (Output_data_got::add_local_pair_with_rela): New function.
1754         (Output_data_got::add_global_tls): Removed.
1755         (Output_data_got::add_global_tls_with_rel): Removed.
1756         (Output_data_got::add_global_tls_with_rela): Removed.
1757         (Output_data_got::add_local_tls): Removed.
1758         (Output_data_got::add_local_tls_with_rel): Removed.
1759         (Output_data_got::add_local_tls_with_rela): Removed.
1760         * resolve.cc (Symbol::override_base_with_special): Removed
1761         reference to has_got_offset_ field.
1762         * symtab.cc (Symbol::init_fields): Replaced initialization
1763         of got_offset_ with got_offsets_.  Removed initialization
1764         of has_got_offset_
1765         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
1766         (Symbol::got_offset): Likewise.
1767         (Symbol::set_got_offset): Likewise.
1768         (Symbol::has_tls_got_offset): Removed.
1769         (Symbol::tls_got_offset): Removed.
1770         (Symbol::set_tls_got_offset): Removed.
1771         (Symbol::got_offset_): Removed.
1772         (Symbol::tls_mod_got_offset_): Removed.
1773         (Symbol::tls_pair_got_offset_): Removed.
1774         (Symbol::got_offsets_): New field.
1775         (Symbol::has_got_offset): Removed.
1776         (Symbol::has_tls_mod_got_offset): Removed.
1777         (Symbol::has_tls_pair_got_offset): Removed.
1778         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
1779         (Target_x86_64::Scan::local): Updated callers of Output_data_got
1780         member functions.
1781         (Target_x86_64::Scan::global): Likewise.
1782         (Target_x86_64::Relocate::relocate): Likewise.
1783         (Target_x86_64::Relocate::relocate_tls): Likewise.
1784
1785 2008-03-25  Ben Elliston  <bje@au.ibm.com>
1786
1787         * yyscript.y: Fix spelling error in comment.
1788
1789 2008-03-24  Ian Lance Taylor  <iant@google.com>
1790
1791         * options.h (class General_options): Define build_id option.
1792         * layout.h (class Layout): Declare write_build_id, create_note,
1793         create_build_id.  Add build_id_note_ member.
1794         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
1795         "libiberty.h", "md5.h", "sha1.h".
1796         (Layout::Layout): Initialize eh_frame_data_,
1797         eh_frame_hdr_section_, and build_id_note_.
1798         (Layout::finalize): Call create_build_id.
1799         (Layout::create_note): New function, broken out of
1800         Layout::create_gold_note.
1801         (Layout::create_gold_note): Call create_note.
1802         (Layout::create_build_id): New function.
1803         (Layout::write_build_id): New function.
1804         (Close_task_runner::run): Call write_build_id.
1805
1806         * x86_64.cc: Correct license to GPLv3.
1807
1808 2008-03-23  Ian Lance Taylor  <iant@google.com>
1809
1810         * options.cc: Include "demangle.h".
1811         (parse_optional_string): New function.
1812         (parse_long_option): Handle takes_optional_argument.
1813         (parse_short_option): Update dash_z initializer.  Handle
1814         takes_optional_argument.
1815         (General_options::General_options): Initialize do_demangle_.
1816         (General_options::finalize): Set do_demangle_.  Handle demangling
1817         style.
1818         * options.h (parse_optional_string): Declare.
1819         (struct One_option): Add optional_arg field.  Update constructor.
1820         Update call constructor calls.  Add takes_optional_argument
1821         function.
1822         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
1823         (DEFINE_optional_string): Define.
1824         (General_options::demangle): Change from DEFINE_bool to
1825         DEFINE_optional_string.
1826         (General_options::no_demangle): New function.
1827         (General_options::do_demangle): New function.
1828         (General_options::set_do_demangle): New function.
1829         (General_options::execstack_status_): Move definition to end of
1830         class definition.
1831         (General_options::static_): Likewise.
1832         (General_options::do_demangle_): New field.
1833         * object.cc (big_endian>::get_symbol_location_info): Call
1834         Options::do_demangle, not Options::demangle.
1835         * symtab.cc (demangle): Likewise.
1836
1837 2008-03-22  Ian Lance Taylor  <iant@google.com>
1838
1839         * gold.h: Include <cstddef> and <sys/types.h>
1840         * options.h: Include <cstring>.
1841
1842 2008-03-21  Ian Lance Taylor  <iant@google.com>
1843
1844         * Added source code to GNU binutils.
1845