gold/ChangeLog

   1 2008-11-14  Cary Coutant  <ccoutant@google.com>
   2
   3         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
   4         instead of -1U.
   5
   6 2008-11-05  Craig Silverstein  <csilvers@google.com>
   7
   8         * options.cc (General_options::parse_dynamic_list): New function.
   9         * options.h (General_options): New flags dynamic_list,
  10         dynamic_list_data, dynamic_list_cpp_new, and
  11         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
  12         (General_options::in_dynamic_list): New function.
  13         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
  14         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
  15         (Lex::can_continue_name): Likewise.
  16         (yylex): Likewise.
  17         (read_script_file): New parameter script_options.
  18         (read_dynamic_list): New function.
  19         (Script_options::define_dynamic_list): New function.
  20         (dynamic_list_keyword_parsecodes): New variable.
  21         (dynamic_list_keywords): New variable.
  22         * script.h (Script_options::define_dynamic_list): New function
  23         prototype.
  24         (read_dynamic_list): New function prototype.
  25         * symtab.cc (strprefix): New macro.
  26         (Symbol::should_add_dynsym_entry): Support dynamic_list,
  27         dynamic_list_data, dynamic_list_cpp_new, and
  28         dynamic_list_cpp_typeinfo.
  29         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
  30         (dynamic_list_expr): New rule.
  31         (dynamic_list_nodes): Likewise.
  32         (dynamic_list_node): Likewise.
  33         * testsuite/Makefile.am (dynamic_list): New test.
  34         * testsuite/Makefile.in: Regenerated.
  35         * testsuite/dynamic_list.t: New file.
  36         * testsuite/dynamic_list.sh: New file.
  37
  38 2008-11-05  Craig Silverstein  <csilvers@google.com>
  39
  40         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
  41         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
  42         (t11_last): Likewise.
  43         * testsuite/ver_test_6.c (main): Likewise.
  44
  45 2008-10-07  Cary Coutant  <ccoutant@google.com>
  46
  47         * options.c (General_options::finalize): Add check for -static and
  48         -shared.
  49         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
  50         is not empty.
  51
  52 2008-10-02  Cary Coutant  <ccoutant@google.com>
  53
  54         * plugin.cc (make_sized_plugin_object): Fix conditional
  55         compilation to work when not all targets are enabled.
  56
  57 2008-09-29  Cary Coutant  <ccoutant@google.com>
  58
  59         * archive.cc (Archive::get_file_and_offset): Use filename instead
  60         of name to get library path.
  61         (Archive::include_member): Unlock external member of a thin archive.
  62
  63         * testsuite/Makefile.am (TEST_AR): New variable.
  64         (thin_archive_test_1): New test.
  65         (thin_archive_test_2): New test.
  66         * testsuite/Makefile.in: Regenerate.
  67         * testsuite/thin_archive_main.cc: New file.
  68         * testsuite/thin_archive_test_1.cc: New file.
  69         * testsuite/thin_archive_test_2.cc: New file.
  70         * testsuite/thin_archive_test_3.cc: New file.
  71         * testsuite/thin_archive_test_4.cc: New file.
  72
  73 2008-09-29  Cary Coutant  <ccoutant@google.com>
  74
  75         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
  76         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
  77         instead of -1U.
  78         (Sized_relobj::do_finalize_local_symbols): Likewise.
  79         (Sized_relobj::map_to_kept_section): Likewise.
  80         * object.h (Sized_relobj::invalid_address): New constant.
  81         (Sized_relobj::do_output_section_offset): Check for invalid_address
  82         and return -1ULL.
  83         * output.cc (Output_reloc::local_section_offset): Use constant
  84         invalid_address instead of -1U.
  85         (Output_reloc::get_address): Likewise.
  86         (Output_section::output_address): Change -1U to -1ULL.
  87         * output.h (Output_reloc::invalid_address): New constant.
  88         * reloc.cc (Sized_relobj::write_sections): Use constant
  89         invalid_address instead of -1U.
  90         (Sized_relobj::relocate_sections): Likewise.
  91         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
  92         values for merge sections.
  93         * target-reloc.h (relocate_for_relocatable): Use constant
  94         invalid_address instead of -1U.
  95
  96 2008-09-19  Cary Coutant  <ccoutant@google.com>
  97
  98         Add plugin functionality for link-time optimization (LTO).
  99         * configure.ac (plugins): Add --enable-plugins option.
 100         * configure: Regenerate.
 101         * config.in: Regenerate.
 102         * Makefile.am (LIBDL): New variable.
 103         (CCFILES): Add plugin.cc.
 104         (HFILES): Add plugin.h.
 105         (ldadd_var): Add LIBDL.
 106         * Makefile.in: Regenerate.
 107
 108         * archive.cc: Include "plugin.h".
 109         (Archive::setup): Don't preread archive symbols when using a plugin.
 110         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
 111         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
 112         files.
 113         (Archive::include_member): Add symbols from plugin objects.
 114         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
 115         * descriptors.cc (Descriptors::open): Check for file descriptors
 116         abandoned by plugins.
 117         (Descriptors::claim_for_plugin): New function.
 118         * descriptors.h (Descriptors::claim_for_plugin): New function.
 119         (Open_descriptor::is_claimed): New field.
 120         (claim_descriptor_for_plugin): New function.
 121         * fileread.cc (File_read::claim_for_plugin): New function.
 122         * fileread.h (File_read::claim_for_plugin): New function.
 123         (File_read::descriptor): New function.
 124         * gold.cc: Include "plugin.h".
 125         (queue_initial_tasks): Add task to call plugin hooks for generating
 126         new object files.
 127         * main.cc: Include "plugin.h".
 128         (main): Load plugin libraries.
 129         * object.h (Pluginobj): Declare.
 130         (Object::pluginobj): New function.
 131         (Object::do_pluginobj): New function.
 132         (Object::set_target): New function.
 133         * options.cc: Include "plugin.h".
 134         (General_options::parse_plugin): New function.
 135         (General_options::General_options): Initialize plugins_ field.
 136         (General_options::add_plugin): New function.
 137         * options.h (Plugin_manager): Declare.
 138         (General_options): Add --plugin option.
 139         (General_options::has_plugins): New function.
 140         (General_options::plugins): New function.
 141         (General_options::add_plugin): New function.
 142         (General_options::plugins_): New field.
 143         * plugin.cc: New file.
 144         * plugin.h: New file.
 145         * readsyms.cc: Include "plugin.h".
 146         (Read_symbols::do_read_symbols): Check for archive before checking
 147         for ELF file.  Call plugin hooks to claim files.
 148         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
 149         from a real object file; force override when processing replacement
 150         files.
 151         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
 152         (Symbol::init_base_object): Likewise.
 153         (Symbol::init_base_output_data): Likewise.
 154         (Symbol::init_base_output_segment): Likewise.
 155         (Symbol::init_base_constant): Likewise.
 156         (Symbol::init_base_undefined): Likewise.
 157         (Symbol::output_section): Assert that object is not a plugin.
 158         (Symbol_table::add_from_pluginobj): New function.
 159         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
 160         undefined.
 161         (Symbol_table::sized_write_globals): Likewise.
 162         (Symbol_table::add_from_pluginobj): Instantiate template.
 163         * symtab.h (Sized_pluginobj): Declare.
 164         (Symbol::in_real_elf): New function.
 165         (Symbol::set_in_real_elf): New function.
 166         (Symbol::in_real_elf_): New field.
 167         (Symbol_table::add_from_pluginobj): New function.
 168
 169         * testsuite/Makefile.am (AM_CFLAGS): New variable.
 170         (LIBDL): New variable.
 171         (LDADD): Add LIBDL.
 172         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
 173         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
 174         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
 175         (MOSTLYCLEANFILES): Likewise.
 176         * testsuite/Makefile.in: Regenerate.
 177         * testsuite/plugin_test.c: New file.
 178         * testsuite/plugin_test_1.sh: New file.
 179         * testsuite/plugin_test_2.sh: New file.
 180
 181 2008-09-16  Ian Lance Taylor  <iant@google.com>
 182
 183         * target-reloc.h (relocate_section): Check whether a symbol is
 184         defined by the ABI before reporting an undefined symbol error.
 185         * target.h (Target::is_defined_by_abi): Make parameter const.
 186         (Target::do_is_defined_by_abi): Likewise.
 187         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
 188         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
 189         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
 190         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
 191         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
 192         * testsuite/Makefile.in: Rebuild.
 193
 194         * fileread.cc (make_view): Add casts to avoid warning.
 195
 196 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
 197
 198         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
 199         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
 200
 201 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
 202
 203         * options.h (General_options::output_is_executable): New.
 204         (General_options::output_is_pie): New.
 205         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
 206         for shared libraries.
 207         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
 208
 209 2008-09-11  Chris Demetriou  <cgd@google.com>
 210
 211         * options.h (origin): New -z option.
 212         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
 213         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
 214         in DT_FLAGS_1.
 215
 216 2008-09-05  Cary Coutant  <ccoutant@google.com>
 217
 218         * fileread.cc (File_read::make_view): Add check for attempt to map
 219         beyond end of file.
 220
 221 2008-09-05  Cary Coutant  <ccoutant@google.com>
 222
 223         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
 224         explicit instantiations.
 225
 226 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
 227
 228         PR gold/6858
 229         * options.cc (General_options::finalize): Allow undefined symbols
 230         in shlibs if linking -shared.
 231
 232         PR gold/6859
 233         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
 234         symbols as not needing a dynsym entry.
 235
 236 2008-08-20  Craig Silverstein  <csilvers@google.com>
 237
 238         * fileread.cc (File_read::open): Do not lock the file unless it
 239         was successfully opened.
 240
 241 2008-08-14  Cary Coutant  <ccoutant@google.com>
 242
 243         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
 244         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
 245         * testsuite/tls_test.cc (struct int128): 128-bit struct
 246         for testing TLS relocs with non-zero addend.
 247         (v12): New TLS variable.
 248         (t12): New test.
 249         (t_last): Add check for v12.
 250         * testsuite/tls_test.h (t12): New function.
 251         * testsuite/tls_test_main.cc (thread_routine): Call new test.
 252
 253 2008-08-13  Ian Lance Taylor  <iant@google.com>
 254
 255         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
 256         set tls_segment_ or relro_segment_.
 257         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
 258         when appropriate.
 259         * output.h (Output_section::clear_is_relro): New function.
 260         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
 261         sections specially even when output_data_ is empty.
 262         (Output_segment::maximum_alignment): When first section is relro,
 263         only force alignment for PT_LOAD segments.
 264         * script.cc (script_data_segment_align): New function.
 265         (script_data_segment_relro_end): New function.
 266         * script-c.h (script_data_segment_align): Declare.
 267         (script_data_segment_relro_end): Declare.
 268         * script-sections.h (class Script_sections): Declare
 269         data_segment_align and data_segment_relro_end.  Add fields
 270         segment_align_index_ and saw_relro_end_.
 271         * script-sections.cc (class Sections_element): Add set_is_relro
 272         virtual function.  Add new bool* parameter to place_orphan_here.
 273         Add get_output_section virtual function.
 274         (class Output_section_definition): Add set_is_relro.  Add new
 275         bool* parameter to place_orphan_here.  Add get_output_section.
 276         Add is_relro_ field.
 277         (Output_section_definition::Output_section_definition): Initialize
 278         evaluated_address_, evaluated_load_address, evaluated_addralign_,
 279         and is_relro_ fields.
 280         (Output_section_definition::place_orphan_here): Add is_relro
 281         parameter.
 282         (Output_section_definition::set_section_addresses): Set relro for
 283         output section.
 284         (Output_section_definition::alternate_constraint): Likewise.
 285         (class Orphan_output_section): Add new bool* parameter to
 286         place_orphan_here.  Add get_output_section.
 287         (Orphan_output_section::place_orphan_here): Add is_relro
 288         parameter.
 289         (Script_sections::Script_sections): Initialize
 290         data_segment_align_index_ and saw_relro_end_.
 291         (Script_sections::data_segment_align): New function.
 292         (Script_sections::data_segment_relro_end): New function.
 293         (Script_sections::place_orphan): Set or clear is_relro.
 294         (Script_sections::set_section_addresses): Force alignment of first
 295         TLS section.
 296         * yyscript.y (exp): Call script_data_segment_align and
 297         script_data_segment_relro_end.
 298         * testsuite/relro_script_test.t: New file.
 299         * testsuite/relro_test.cc (using_script): Declare.
 300         (t1, t2): Test using_script.
 301         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
 302         (relro_script_test_SOURCES): Define.
 303         (relro_script_test_DEPENDENCIES): Define.
 304         (relro_script_test_LDFLAGS): Define.
 305         (relro_script_test_LDADD): Define.
 306         (relro_script_test.so): New target.
 307         * testsuite/Makefile.in: Rebuild.
 308
 309 2008-08-06  Cary Coutant <ccoutant@google.com>
 310
 311         * archive.cc (Archive::total_archives, Archive::total_members)
 312         (Archive::total_members_loaded): New variables.
 313         (Archive::setup): Add parameter.  Add option to preread
 314         archive symbols.
 315         (Archive::read_armap): Add counter.
 316         (Archive::get_file_and_offset): New function.
 317         (Archive::get_elf_object_for_member): New function.
 318         (Archive::read_all_symbols): New function.
 319         (Archive::read_symbols): New function.
 320         (Archive::add_symbols): Add counters.
 321         (Archive::include_all_members): Use armap to find members if it's
 322         already built.
 323         (Archive::include_member): Skip reading symbols if already read.
 324         Factored code into Archive::get_file_and_offset and
 325         Archive::get_elf_object_for_member.  Changed call to
 326         Mapfile::report_include_archive_member.
 327         (Archive::print_stats): New function.
 328         * archive.h: Declare Object and Read_symbols_data classes.
 329         (Archive::Archive): Add initializers for new members.
 330         (Archive::setup): Add parameter.
 331         (Archive::print_stats): New function.
 332         (Archive::total_archives, Archive::total_members)
 333         (Archive::total_members_loaded): New variables.
 334         (Archive::get_file_and_offset): New function.
 335         (Archive::get_elf_object_for_member): New function.
 336         (Archive::read_all_symbols): New function.
 337         (Archive::read_symbols): New function.
 338         (Archive::Archive_member): New class.
 339         (Archive::members_): New member.
 340         (Archive::num_members_): New member.
 341         * main.cc: Include archive.h.
 342         (main): Call Archive::print_stats.
 343         * mapfile.cc (Mapfile::report_include_archive_member): Delete
 344         archive parameter; member_name is now the fully-decorated name.
 345         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
 346         * options.h: (General_options): Add --preread-archive-symbols option.
 347         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
 348         Archive::setup.
 349
 350 2008-08-04  Ian Lance Taylor  <iant@google.com>
 351
 352         * symtab.h (Symbol::use_plt_offset): New function.
 353         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
 354         * powerpc.cc (Relocate::relocate): Likewise.
 355         * sparc.cc (Relocate::relocate): Likewise.
 356         * x86_64.cc (Relocate::relocate): Likewise.
 357         * testsuite/weak_plt.sh: New test.
 358         * testsuite/weak_plt_main.cc: New test.
 359         * testsuite/weak_plt_shared.cc: New test.
 360         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
 361         (check_PROGRAMS): Add weak_plt.
 362         (check_DATA): Add weak_plt_shared.so.
 363         (weak_plt_main_pic.o, weak_plt): New targets.
 364         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
 365         * testsuite/Makefile.in: Rebuild.
 366
 367         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
 368         gcctestdir/ld.
 369         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
 370         * testsuite/Makefile.in: Rebuild.
 371
 372 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
 373
 374         * Makefile.am (POTFILES.in): Set LC_ALL=C.
 375         * Makefile.in: Regenerate.
 376         * po/POTFILES.in: Regenerate.
 377
 378 2008-07-29  Ian Lance Taylor  <iant@google.com>
 379
 380         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
 381         symbols before other symbols.
 382         * testsuite/script_test_2.cc (test_addr): Declare.
 383         (test_addr_alias): Declare.
 384         (main): Check that test_addr and test_addr_alias have the right
 385         values.
 386         * testsuite/script_test_2.t: Define test_addr_alias and
 387         test_addr.
 388
 389 2008-07-24  Ian Lance Taylor  <iant@google.com>
 390
 391         PR 5990
 392         * descriptors.cc: New file.
 393         * descriptors.h: New file.
 394         * gold-threads.h (class Hold_optional_lock): New class.
 395         * fileread.cc: Include "descriptors.h".
 396         (File_read::~File_read): Release descriptor rather than closing
 397         it.
 398         (File_read::open) [file]: Call open_descriptor rather than open.
 399         Set is_descriptor_opened_.
 400         (File_read::open) [memory]: Assert that descriptor is not open.
 401         (File_read::reopen_descriptor): New function.
 402         (File_read::release): Release descriptor.
 403         (File_read::do_read): Make non-const.  Reopen descriptor.
 404         (File_read::read): Make non-const.
 405         (File_read::make_view): Reopen descriptor.
 406         (File_read::do_readv): Likewise.
 407         * fileread.h (class File_read): Add is_descriptor_opened_ field.
 408         Update declarations.
 409         * layout.cc: Include "descriptors.h".
 410         (Layout::create_build_id): Use open_descriptor rather than open.
 411         * output.cc: Include "descriptors.h".
 412         (Output_file::open): Use open_descriptor rather than open.
 413         * archive.cc (Archive::const_iterator): Change Archive to be
 414         non-const.
 415         (Archive::begin, Archive::end): Make non-const.
 416         (Archive::count_members): Likewise.
 417         * archive.h (class Archive): Update declarations.
 418         * object.h (Object::read): Make non-const.
 419         * Makefile.am (CCFILES): Add descriptors.cc.
 420         (HFILES): Add descriptors.h.
 421         * Makefile.in: Rebuild.
 422
 423         PR 6716
 424         * gold.h: Always include <clocale>.  Add Solaris workarounds
 425         following code in binutils/sysdep.h.
 426
 427         PR 6048
 428         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
 429         this->eh_frame_hdr_ is NULL before using it.
 430
 431         * dynobj.cc (Versions::Versions): Update comment.
 432
 433         * dynobj.cc (Versions::Versions): If there is an soname, use it as
 434         the base version name.
 435
 436         * stringpool.cc (Stringpool_template::add_with_length): Set key to
 437         array size plus one.
 438         (Stringpool_template::set_string_offsets): Subtract one from key
 439         before using it as an array index.
 440         (Stringpool_template::get_offset_with_length): Likewise.
 441         (Stringpool_template::write_to_buffer): Likewise.
 442         * stringpool.h (Stringpool_template::get_offset_from_key):
 443         Likewise.
 444
 445 2008-07-23  Ian Lance Taylor  <iant@google.com>
 446
 447         PR 6658
 448         * object.h (Merged_symbol_value::value): Do our best to handle a
 449         negative addend.
 450
 451         PR 6647
 452         * script.cc (Version_script_info::get_versions): Don't add empty
 453         version tag to return value.
 454         (Version_script_info::get_symbol_version_helper): Change return
 455         type to bool.  Add pversion parameter.  Change all callers.
 456         (script_register_vers_node): Don't require a non-NULL tag.
 457         * script.h (class Version_script_info): Update declarations.
 458         (Version_script_info::get_symbol_version): Change return type to
 459         bool.  Add version parameter.  Change all callers.
 460         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
 461         handling.  Handle an empty version from a version script.
 462         (Symbol_table::define_special_symbol): Likewise.
 463         * testsuite/ver_test_10.script: New file.
 464         * testsuite/ver_test_10.sh: New file.
 465         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
 466         (check_DATA): Add ver_test_10.syms.
 467         (ver_test_10.syms, ver_test_10.so): New target.
 468         * testsuite/Makefile.in: Rebuild.
 469
 470 2008-07-23  Simon Baldwin  <simonb@google.com>
 471
 472         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
 473         to zero for undefined symbols from dynamic libraries.
 474
 475 2008-07-23  Ian Lance Taylor  <iant@google.com>
 476
 477         * symtab.cc (Symbol_table::resolve): Remove version parameter.
 478         Change all callers.
 479         * symtab.h (class Symbol_table): Update declaration.
 480         * testsuite/ver_test_9.cc: New file.
 481         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
 482         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
 483         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
 484         (ver_test_9.so, ver_test_9.o): New targets.
 485         * testsuite/Makefile.in: Rebuild.
 486
 487 2008-07-22  Ian Lance Taylor  <iant@google.com>
 488
 489         * options.h (class General_options): Define --check-sections.
 490         * layout.cc (Layout::set_segment_offsets): Handle
 491         --check-sections.
 492
 493         * options.h (class General_options): Define -n/--nmagic and
 494         -N/--omagic.
 495         * options.cc (General_options::finalize): For -n/--nmagic or
 496         -N/--omagic, set -static.
 497         * layout.cc (Layout::attach_allocated_section_to_segment): If
 498         -N/--omagic, don't put read-only and read-write sections in
 499         different segments.
 500         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
 501         finding a read-only segment.
 502         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
 503         don't set the minimum segment alignment to the common page size,
 504         and don't set the file offset to the address modulo the page size.
 505         * script-sections.cc (Script_sections::create_segments): If
 506         -n/--omagic, don't put read-only and read-write sections in
 507         different segments.
 508
 509         * cref.cc: New file.
 510         * cref.h: New file.
 511         * options.h (class General_options): Add --print-symbol-counts.
 512         * main.cc (main): Issue defined symbol report if requested.
 513         * archive.cc (Archive::interpret_header): Make into a const member
 514         function.
 515         (Archive::add_symbols): Call Input_objects::archive_start and
 516         archive_stop.
 517         (Archive::const_iterator): Define new class.
 518         (Archive::begin, Archive::end): New functions.
 519         (Archive::include_all_members): Rewrite to use iterator.
 520         (Archive::count_members): New function.
 521         * archive.h (class Archive): Update declarations.
 522         (Archive::filename): New function.
 523         * object.cc: Include "cref.h".
 524         (Sized_relobj::Sized_relobj): Initialize defined_count_.
 525         (Sized_relobj::do_get_global_symbol_counts): New function.
 526         (Input_objects::add_object): Add object to cross-referencer.
 527         (Input_objects::archive_start): New function.
 528         (Input_objects::archive_stop): New function.
 529         (Input_objects::print_symbol_counts): New function.
 530         * object.h: Declare Cref and Archive.
 531         (Object::get_global_symbol_counts): New function.
 532         (Object::do_get_global_symbol_counts): New pure virtual function.
 533         (class Sized_relobj): Add defined_count_ field.  Update
 534         declarations.
 535         (class Input_objects): Add cref_ field.  Update constructor.
 536         Update declarations.
 537         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
 538         defined_count_.
 539         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
 540         symbol counts.
 541         (Sized_dynobj::do_get_global_symbol_counts): New function.
 542         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
 543         defined_count_.  Update declarations.  Define Symbols typedef.
 544         * symtab.cc (Symbol_table::add_from_relobj): Add defined
 545         parameter.  Change all callers.
 546         (Symbol_table::add_from_dynobj): Add sympointers and defined
 547         parameters.  Change all callers.
 548         * symtab.h (class Symbol_table): Update declarations.
 549         * Makefile.am (CCFILES): Add cref.cc.
 550         (HFILES): Add cref.h.
 551         * Makefile.in: Rebuild.
 552
 553 2008-07-22  Simon Baldwin  <simonb@google.com>
 554
 555         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
 556         to zero when writing undefined symbols.
 557
 558 2008-07-22  Ian Lance Taylor  <iant@google.com>
 559
 560         * output.cc (Output_section::add_input_section): Don't try to
 561         merge empty merge sections.
 562
 563 2008-07-21  Craig Silverstein  <csilvers@google.com>
 564
 565         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
 566         Include symbol version in error message.
 567
 568 2008-07-20  Chris Demetriou  <cgd@google.com>
 569
 570         * configure.ac (gold_cv_c_random_seed): New configured variable.
 571         (RANDOM_SEED_CFLAGS): New substituted variable.
 572         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
 573         * configure: Rebuild.
 574         * Makefile.in: Likewise.
 575         * testsuite/Makefile.in: Likewise.
 576
 577 2008-07-18  Ian Lance Taylor  <iant@google.com>
 578
 579         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
 580         where we see NAME/NULL and NAME/VERSION  as separate symbols.
 581         * testsuite/ver_test_main.cc (main): Call t4.
 582         (t4, t4_2a): Define.
 583         * testsuite/ver_test_2.cc (t4_2): Define.
 584         * testsuite/ver_test_2.script: Put t4_2a in VER2.
 585         * testsuite/ver_test_4.cc (t4_2a): Define.
 586         * testsuite/ver_test_4.script: Put t4_2a in VER2.
 587         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
 588
 589 2008-07-17  Ian Lance Taylor  <iant@google.com>
 590
 591         * dynobj.cc (Versions::add_def): If we give an error about a
 592         missing version, go ahead and create the version anyhow.
 593
 594 2008-07-10  Ian Lance Taylor  <iant@google.com>
 595
 596         Handle output sections with more than 0x7fffffff bytes.
 597         * object.h (class Relobj): Change map_to_output_ to
 598         output_sections_, and just keep a section pointer.  Change all
 599         uses.  Move comdat group support to Sized_relobj.
 600         (Relobj::is_section_specially_mapped): Remove.
 601         (Relobj::output_section): Remove poff parameter.  Change all
 602         callers.
 603         (Relobj::output_section_offset): New function.
 604         (Relobj::set_section_offset): Rewrite.
 605         (Relobj::map_to_output): Remove.
 606         (Relobj::output_sections): New function.
 607         (Relobj::do_output_section_offset): New pure virtual function.
 608         (Relobj::do_set_section_offset): Likewise.
 609         (class Sized_relobj): Add section_offsets_ field.  Add comdat
 610         group support from Relobj.  Update declarations.
 611         (Sized_relobj::get_output_section_offset): New function.
 612         (Sized_relobj::do_output_section_offset): New function.
 613         (Sized_relobj::do_set_section_offset): New function.
 614         * object.cc (Relobj::output_section_address): Remove.
 615         (Sized_relobj::Sized_relobj): Initialize new fields.
 616         (Sized_relobj::include_section_group): Cast find_kept_object to
 617         Sized_relobj.
 618         (Sized_relobj::include_linkonce_section): Likewise.
 619         (Sized_relobj::do_layout): Use separate arrays for output section
 620         and output offset.
 621         (Sized_relobj::do_count_local_symbols): Change map_to_output to
 622         output_sections.
 623         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
 624         output_sections and section_offsets.
 625         (Sized_relobj::write_local_symbols): Likewise.
 626         (map_to_kept_section): Compute output address directly.
 627         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
 628         output_sections and section_offsets.
 629         (Sized_relobj::write_sections): Likewise.
 630         (Sized_relobj::relocate_sections): Likewise.
 631         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
 632         * output.h (class Output_reloc): Update declarations.  Change
 633         u2_.relobj to Sized_relobj*.
 634         (class Output_data_reloc): Change add functions to use
 635         Sized_relobj*.
 636         * output.cc (Output_reloc::Output_reloc): Change relobj to
 637         Sized_relobj*.
 638         (Output_reloc::local_section_offset): Change return type to
 639         Elf_Addr.  Use get_output_section_offset.
 640         (Output_reloc::get_address): Likewise.
 641         (Output_section::is_input_address_mapped): Don't call
 642         is_section_specially_mapped.
 643         (Output_section::output_offset): Likewise.
 644         (Output_section::output_address): Likewise.
 645         (Output_section::starting_output_address): Likewise.
 646         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
 647         parameter to Sized_relobj*.
 648         (Copy_relocs::need_copy_reloc): Likewise.
 649         (Copy_relocs::save): Likewise.
 650         * copy-relocs.h (class Copy_relocs): Update declarations.
 651         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
 652         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
 653         * target-reloc.h (relocate_for_relocatable): Change
 654         offset_in_output_section type to Elf_Addr.  Change code that uses
 655         it as well.
 656         * layout.cc (Layout::layout): Always set *off.
 657         * mapfile.cc (Mapfile::print_input_section): Use
 658         output_section_offset.
 659         * i386.cc (Target_i386::copy_reloc): Change object parameter to
 660         Sized_relobj*.
 661         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
 662         * sparc.cc (Target_sparc::copy_reloc): Likewise.
 663         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
 664
 665 2008-07-03  Ian Lance Taylor  <iant@google.com>
 666
 667         * layout.cc (Layout::include_section): Do not discard unrecognized
 668         SHT_STRTAB sections.
 669
 670 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
 671
 672         * script.cc (Lex::can_continue_name): Make '?' allowable in
 673         version-script names.
 674         * testsuite/version_script.map: Change glob pattern to use '?'
 675
 676 2008-06-30  Manish Singh  <yosh@gimp.org>
 677
 678         PR 6585
 679         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
 680         Correct typo.
 681
 682 2008-06-30  Ian Lance Taylor  <iant@google.com>
 683
 684         PR 6660
 685         PR 6682
 686         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
 687         versions]: Don't try to read the value in the contents, since we
 688         don't use it.  Use the template endianness when writing.
 689
 690 2008-06-25  Cary Coutant  <ccoutant@google.com>
 691
 692         * fileread.cc (File_read::make_view): Assert on zero-length view.
 693         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
 694         symbol table when there are no symbols to read.
 695
 696 2008-06-23  Craig Silverstein  <csilvers@google.com>
 697
 698         * version.cc (version_string): Bump to 1.7
 699
 700 2008-06-18  Craig Silverstein  <csilvers@google.com>
 701
 702         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
 703         constant 0xFFFF to type Valtype.
 704         (Powerpc_relocate_functions::rel16_ha): Likewise.
 705
 706 2008-06-17  Ian Lance Taylor  <iant@google.com>
 707
 708         * output.h (Output_section::Input_section): Initialize p2align_ to
 709         zero for Output_section_data constructors.
 710         (Output_section::Input_section::addralign): If not an input
 711         section, return the alignment of the Output_section_data.
 712         * testsuite/copy_test.cc: New file.
 713         * testsuite/copy_test_1.cc: New file.
 714         * testsuite/copy_test_2.cc: New file.
 715         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
 716         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
 717         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
 718         (copy_test_1_pic.o, copy_test_1.so): New targets.
 719         (copy_test_2_pic.o, copy_test_2.so): New targets.
 720         * testsuite/Makefile.in: Rebuild.
 721
 722         * script-sections.cc (Script_sections::place_orphan): Initialize
 723         local variable exact.
 724
 725 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
 726
 727         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
 728
 729 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
 730             David S. Miller  <davem@davemloft.net>
 731
 732         * powerpc.cc: New file.
 733         * Makefile.am (TARGETSOURCES): Add powerpc.cc
 734         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
 735         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
 736         * Makefile.in: Rebuild.
 737
 738 2008-06-09  Ian Lance Taylor  <iant@google.com>
 739
 740         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
 741         <exception>.
 742         (throwing, orig_terminate): New static variables.
 743         (terminate_handler): New static function.
 744         (t2): Set terminate handler.
 745
 746 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
 747
 748         PR 6584
 749         * binary.cc (Binary_to_elf::sized_convert): Fix .data
 750         alignment.
 751
 752 2008-05-30  Cary Coutant  <ccoutant@google.com>
 753
 754         * archive.cc (Archive::include_all_members) Correct to step
 755         over symbol table and extended name table in thin archives.
 756
 757 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
 758
 759         PR 6407
 760         * target-reloc.h (relocate_for_relocatable): Fix new_offset
 761         calculation.
 762
 763 2008-05-28  Caleb Howe  <cshowe@google.com>
 764
 765         * reduced_debug_output.cc: New file.
 766         * reduced_debug_output.h: New file.
 767         * options.h (class General_options): Add --strip-debug-non-line.
 768         * options.cc (General_options::finalize): Add strip_debug_non_line
 769         to the strip heirarchy.
 770         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
 771         fields.
 772         * layout.cc: Include "reduced_debug_output.h".
 773         (Layout::Layout): Initialize new fields.
 774         (line_only_debug_sections): New static array.
 775         (is_lines_only_debug_sections): New static inline function.
 776         (Layout::include_section): Handle --strip-debug-non-line.
 777         (Layout::make_output_section): If --strip-debug-non-line, build
 778         new output sections for .debug_abbrev and .debug_info.
 779         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
 780         gold.  Warn about possible overflow.
 781         (read_signed_LEB_128): Likewise.
 782         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
 783         (read_signed_LEB_128): Declare.
 784         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
 785         (HFILES): Add reduced_debug_output.h.
 786         * Makefile.in: Rebuild.
 787
 788 2008-05-21  Ian Lance Taylor  <iant@google.com>
 789
 790         * mapfile.cc: New file.
 791         * mapfile.h: New file.
 792         * options.h (class General_options): Add -M/--print-map and -Map.
 793         * options.cc (General_options::finalize): Make -M equivalent to
 794         -Map -.
 795         * main.cc: Include <cstdio> and "mapfile.h".
 796         (main): Open mapfile if requested.
 797         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
 798         constructor.  Change caller.
 799         (queue_initial_tasks): Add mapfile parameter.  Change caller.
 800         (queue_middle_tasks): Likewise.
 801         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
 802         declarations.
 803         * archive.cc: Include "mapfile.h".
 804         (Archive::add_symbols): Add mapfile parameter.  Change all
 805         callers.  Pass mapfile, symbol, and reason to include_member.
 806         (Archive::include_all_members): Add mapfile parameter.  Change all
 807         callers.
 808         (Archive::include_member): Add mapfile, sym, and why parameters.
 809         Change all callers.  Report inclusion to map file.
 810         * archive.h: Include "fileread.h".
 811         (class Archive): Update declarations.
 812         (Archive::file): New const method.
 813         (class Add_archive_symbols): Add mapfile_ field.  Update
 814         constructor.  Change all callers.
 815         * readsyms.h (class Read_symbols): Likewise.
 816         (class Finish_group): Likewise.
 817         (class Read_script): Likewise.
 818         * common.cc: Include "mapfile.h".
 819         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
 820         all callers.
 821         (Symbol_table::do_allocate_commons): Likewise.
 822         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
 823         symbol allocation to mapfile.
 824         * common.h (class Allocate_commons_task): Add mapfile_ field.
 825         Update constructor.  Change all callers.
 826         * symtab.h (class Symbol_table): Update declarations.
 827         * layout.cc: Include "mapfile.h".
 828         (Layout_task_runner::run): Print information to mapfile.
 829         (Layout::create_gold_note): Change Output_data_fixed_space to
 830         Output_data_zero_fill.
 831         (Layout::create_build_id): Likewise.
 832         (Layout::print_to_mapfile): New function.
 833         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
 834         constructor.  Change caller.
 835         (class Layout): Declare print_to_mapfile.
 836         * output.cc (Output_section::Input_section::print_to_mapfile): New
 837         function.
 838         (Output_section::add_input_section): If producing a map, always
 839         add to input_sections_ list.
 840         (Output_section::do_print_to_mapfile): New function.
 841         (Output_segment::print_sections_to_mapfile): New function.
 842         (Output_segment::print_section_list_to_mapfile): New function.
 843         * output.h: Include "mapfile.h".
 844         (Output_data::print_to_mapfile): New function.
 845         (Output_data::do_print_to_mapfile): New virtual function.
 846         (Output_segment_headers::do_print_to_mapfile): New function.
 847         (Output_file_header::do_print_to_mapfile): New function.
 848         (Output_data_const::do_print_to_mapfile): New function.
 849         (class Output_data_const_buffer): Add map_name_ field.  Update
 850         constructor.  Change all callers.  Add do_print_to_mapfile
 851         function.
 852         (class Output_data_fixed_space): Likewise.
 853         (class Output_data_space): Likewise.
 854         (class Output_data_zero_fill): New class.
 855         (Output_data_strtab::do_print_to_mapfile): New function.
 856         (Output_data_reloc_base::do_print_to_mapfile): New function.
 857         (Output_relocatable_relocs::do_print_to_mapfile): New function.
 858         (Output_data_group::do_print_to_mapfile): New function.
 859         (Output_data_got::do_print_to_mapfile): New function.
 860         (Output_data_dynamic::do_print_to_mapfile): New function.
 861         (Output_symtab_xindex::do_print_to_mapfile): New function.
 862         (class Output_section): Declare do_print_to_mapflie.  Declare
 863         print_to_mapfile in Input_section.
 864         (class Output_segment): Declare new functions.
 865         * object.h (Sized_relobj::symbol_count): New function.
 866         * script-sections.cc
 867         (Output_section_element_dot_assignment::set_section_addresses):
 868         Change Output_data_fixed_space to Output_data_zero_fill.
 869         (Output_data_expression::do_print_to_mapfile): New function.
 870         * script.cc (read_input_script): Add mapfile parameter.  Change
 871         all callers.
 872         * script.h (read_input_script): Update declaration.
 873         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
 874         (Eh_frame::do_print_to_mapfile): New function.
 875         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
 876         (Output_merge_string::do_print_to_mapfile): New function.
 877         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
 878         function.
 879         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
 880         function.
 881         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
 882         function.
 883         * Makefile.am (CCFILES): Add mapfile.cc.
 884         (HFILES): Add mapfile.h.
 885         * Makefile.in: Rebuild.
 886
 887 2008-05-19  Ian Lance Taylor  <iant@google.com>
 888
 889         * options.h (class General_options): Add -z relro.
 890         * layout.cc (Layout::Layout): Initialize relro_segment_.
 891         (Layout::add_output_section_data): Return the output section.
 892         (Layout::make_output_section): Rcognize relro sections and mark
 893         them appropriately.
 894         (Layout::attach_allocated_section_to_segment): Put relro sections
 895         in a PT_GNU_RELRO segment.
 896         (Layout::create_initial_dynamic_sections): Mark the .dynamic
 897         section as relro.
 898         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
 899         PT_TLS segments.
 900         (Layout::linkonce_mapping): Map d.rel.ro.local to
 901         .data.rel.ro.local.
 902         (Layout::output_section_name): Us .data.rel.ro.local for any
 903         section which begins with that.
 904         * layout.h (class Layout): Update add_output_section_data
 905         declaration.  Add relro_segment_ field.
 906         * output.cc (Output_section::Output_section): Initialize is_relro_
 907         and is_relro_local_ fields.
 908         (Output_segment::add_output_section): Group relro sections.
 909         (Output_segment::is_first_section_relro): New function.
 910         (Output_segment::maximum_alignment): If there is a relro section,
 911         align the segment to the common page size.
 912         (Output_segment::set_section_addresses): Track whether we are
 913         looking at relro sections.  If the last section is a relro
 914         section, align to the common page size.
 915         (Output_segment::set_section_list_addresses): Add in_relro
 916         parameter.  Change all callers.  Align to the page size when
 917         moving from relro to non-relro section.
 918         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
 919         segment.
 920         * output.h (class Output_section): Add is_relro_ and
 921         is_relro_local_ fields.
 922         (Output_section::is_relro): New function.
 923         (Output_section::set_is_relro): New function.
 924         (Output_section::is_relro_local): New function.
 925         (Output_section::set_is_relro_local): New function.
 926         (class Output_segment): Update declarations.
 927         * i386.cc (Target_i386::got_section): Mark .got section as relro.
 928         * sparc.cc (Target_sparc::got_section): Likewise.
 929         * x86_64.cc (Target_x86_64::got_section): Likewise.
 930         * testsuite/relro_test_main.cc: New file.
 931         * testsuite/relro_test.cc: New file.
 932         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
 933         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
 934         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
 935         (relro_test.so, relro_test_pic.o): New targets.
 936         * testsuite/Makefile.in: Rebuild.
 937
 938 2008-05-16  Ian Lance Taylor  <iant@google.com>
 939
 940         * output.cc (Output_segment::add_output_section): Remove front
 941         parameter.
 942         * output.h (class Output_segment): Remove
 943         add_initial_output_section and overloaded add_output_section.
 944         Update declaration of remaining add_output_section.
 945         * layout.cc (Layout::create_interp): Call add_output_section
 946         rather than add_initial_output_section.
 947         (Layout::finish_dynamic_section): Likewise.
 948
 949         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
 950         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
 951         know the dynamic type.
 952         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
 953         field.  Initialize it in constructor.
 954         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
 955         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
 956         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
 957         reloc.
 958
 959         * output.cc (Output_reloc::get_address): Change return type to
 960         Elf_Addr.
 961         * output.h (class Output_reloc): Update get_address declaration.
 962         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
 963         for section addresses.
 964
 965 2008-05-09  Ian Lance Taylor  <iant@google.com>
 966
 967         PR 6493
 968         * gold.cc (gold_nomem): Use return value of write.
 969
 970 2008-05-08  Ian Lance Taylor  <iant@google.com>
 971
 972         * symtab.c (Symbol::init_base_output_data): Add version
 973         parameter.  Change all callers.
 974         (Symbol::init_base_output_segment): Likewise.
 975         (Symbol::init_base_constant): Likewise.
 976         (Symbol::init_base_undefined): Likewise.
 977         (Sized_symbol::init_output_data): Likewise.
 978         (Sized_symbol::init_output_segment): Likewise.
 979         (Sized_symbol::init_constant): Likewise.
 980         (Sized_symbol::init_undefined): Likewise.
 981         (Symbol_table::do_define_in_output_data): If the new symbol has a
 982         version, mark it as the default.
 983         (Symbol_table::do_define_in_output_segment): Likewise.
 984         (Symbol_table::do_define_as_constant): Likewise.
 985         * symtab.h (class Symbol): Update declarations.
 986         (class Sized_symbol): Likewise.
 987         * resolve.cc (Symbol::override_version): New function.
 988         (Symbol::override_base): Call override_version.
 989         (Symbol::override_base_with_special): Likewise.
 990         * testsuite/ver_script_8.script: New file.
 991         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
 992         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
 993         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
 994         (ver_test_8_1.so, ver_test_8_2.so): New targets.
 995
 996 2008-05-06  Ian Lance Taylor  <iant@google.com>
 997
 998         PR 6049
 999         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
1000         functions.
1001         (class General_options): Remove existing --undefined, and add
1002         --no-undefined instead.  Add new --undefined as synonym for -u.
1003         * archive.cc (Archive::add_symbols): Check whether symbol was
1004         named with -u.
1005         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
1006         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
1007         all uses.  Add IS_UNDEFINED.  Update declarations to split
1008         different versions of init_base.  Declare init_base_undefined.
1009         (Symbol::is_defined): Handle IS_UNDEFINED.
1010         (Symbol::is_undefined): Likewise.
1011         (Symbol::is_weak_undefined): Call is_undefined.
1012         (Symbol::is_absolute): Handle IS_CONSTANT.
1013         (class Sized_symbol): Update declarations to split different
1014         versions of init.  Declare init_undefined.
1015         (class Symbol_table): Declare new functions.
1016         * symtab.cc (Symbol::init_base_object): Rename from init_base.
1017         Change all callers.
1018         (Symbol::init_base_output_data): Likewise.
1019         (Symbol::init_base_output_segment): Likewise.
1020         (Symbol::init_base_constant): Likewise.
1021         (Symbol::init_base_undefined): New function.
1022         (Sized_symbol::init_object): Rename from init.  Change all
1023         callers.
1024         (Sized_symbol::init_output_data): Likewise.
1025         (Sized_symbol::init_output_segment): Likewise.
1026         (Sized_symbol::init_constant): Likewise.
1027         (Sized_symbol::init_undefined): New function.
1028         (Symbol_table::add_undefined_symbols_from_command_line): New
1029         function.
1030         (Symbol_table::do_add_undefined_symbols_from_command_line): New
1031         function.
1032         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
1033         (Symbol::output_section): Likewise.
1034         (Symbol::set_output_section): Likewise.
1035         (Symbol_table::sized_finalize_symbol): Likewise.
1036         (Symbol_table::sized_write_globals): Likewise.
1037         * resolve.cc (Symbol_table::should_override): Likewise.
1038         (Symbol::override_base_with_special): Likewise.
1039
1040         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
1041         symbol, change it to have default visibility.
1042         * testsuite/protected_1.cc: New file.
1043         * testsuite/protected_2.cc: New file.
1044         * testsuite/protected_3.cc: New file.
1045         * testsuite/protected_main_1.cc: New file.
1046         * testsuite/protected_main_2.cc: New file.
1047         * testsuite/protected_main_3.cc: New file.
1048         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
1049         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
1050         (protected_1_LDFLAGS, protected_1_LDADD): Define.
1051         (protected_1.so): New target.
1052         (protected_1_pic.o, protected_2_pic.o): New targets.
1053         (protected_3_pic.o): New target.
1054         (check_PROGRAMS): Add protected_2.
1055         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
1056         (protected_2_LDFLAGS, protected_2_LDADD): Define.
1057         * testsuite/Makefile.in: Rebuild.
1058
1059         * options.h (DEFINE_var): Add set_user_set_##varname__.
1060         (DEFINE_bool_alias): New macro.
1061         (class General_options): Define -Bstatic using DEFINE_bool_alias
1062         rather than DEFINE_special.  Add --undefined as an alias for -z
1063         defs.
1064         * options.cc (General_options::parse_Bstatic): Remove.
1065
1066         * options.h (class General_options): Add --fatal-warnings.
1067         * main.cc (main): Implement --fatal-warnings.
1068         * errors.h (Errors::warning_count): New function.
1069
1070         * options.h (class General_options): Add -Bsymbolic-functions.
1071         * symtab.h (Symbol::is_preemptible): Check for
1072         -Bsymbolic-functions.
1073
1074 2008-05-05  Ian Lance Taylor  <iant@google.com>
1075
1076         * options.h (DEFINE_bool): For DASH_Z, create the negative option
1077         as noVARNAME rather than no-VARNAME.
1078         (class General_options): Add option -z combreloc.
1079         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
1080         get_address.
1081         (Output_reloc::sort_before) [SHT_REL]: New function.
1082         (Output_reloc::sort_before) [SHT_RELA]: New function.
1083         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
1084         Sort_relocs_comparison.
1085         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
1086         parameter.  Change all callers.
1087         (Output_data_reloc::Output_data_reloc) [both versions]: Add
1088         sort_relocs parameter.  Change all callers.
1089         * output.cc (Output_reloc::get_address): New function, broken out
1090         of write_rel.
1091         (Output_reloc::write_rel): Call it.
1092         (Output_reloc::compare): New function.
1093         (Output_data_reloc_base::do_write): Optionally sort relocs.
1094
1095         * configure.ac: If targ_extra_obj is set, link it in.
1096         * configure.tgt: Initialize all variables.
1097         (x86_64*): Set targ_extra_obj and targ_extra_size.
1098         * configure: Rebuild.
1099
1100         * object.cc (Sized_relobj::include_section_group): Adjust section
1101         indexes read from group data.  Build vector to pass to
1102         layout_group.
1103         * layout.cc (Layout::layout_group): Add flags and shndxes
1104         parameters.  Remove contents parameter.  Change caller.  Update
1105         explicit instantiations.
1106         * layout.h (class Layout): Update layout_group declaration.
1107         * output.cc (Output_data_group::Output_data_group): Add flags and
1108         input_shndxes parameters.  Remove contents parameter.  Change
1109         caller.
1110         (Output_data_group::do_write): Change input_sections_ to
1111         input_shndxes_.
1112         * output.h (class Output_data_group): Update constructor
1113         declaration.  Rename input_sections_ to input_shndxes_.
1114         * testsuite/many_sections_test.cc: Add template.
1115
1116 2008-04-30  Cary Coutant  <ccoutant@google.com>
1117
1118         * target-reloc.h (relocate_section): Fix dead-pointer bug.
1119
1120         * layout.cc (Layout::include_section): Refactored check for debug
1121         info section.
1122         (Layout::add_comdat): Add new parameters.  Change type
1123         of signature parameter.  Add object and shndx to signatures table.
1124         (Layout::find_kept_object): New function.
1125         * layout.h: Include <cstring>.
1126         (Layout::is_debug_info_section): New function.
1127         (Layout::add_comdat): Add new parameters.
1128         (Layout::find_kept_object): New function.
1129         (Layout::Kept_section): New struct.
1130         (Layout::Signatures): Change type of map range.
1131         * object.cc (Relobj::output_section_address): New function.
1132         (Sized_relobj::include_section_group): Add new parameters.  Change
1133         calls to Layout::add_comdat.  Change to build table of kept comdat
1134         groups and table mapping discarded sections to kept sections.
1135         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
1136         (Sized_relobj::do_layout): Change calls to include_section_group and
1137         include_linkonce_section.
1138         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
1139         value to zero when section is discarded.
1140         (Sized_relobj::map_to_kept_section): New function.
1141         * object.h (Relobj::output_section_address): New function.
1142         (Relobj::Comdat_group): New type.
1143         (Relobj::find_comdat_group): New function.
1144         (Relobj::Comdat_group_table): New type.
1145         (Relobj::Kept_comdat_section): New type.
1146         (Relobj::Kept_comdat_section_table): New type.
1147         (Relobj::add_comdat_group): New function.
1148         (Relobj::set_kept_comdat_section): New function.
1149         (Relobj::get_kept_comdat_section): New function.
1150         (Relobj::comdat_groups_): New field.
1151         (Relobj::kept_comdat_sections_): New field.
1152         (Symbol_value::input_value): Update comment.
1153         (Sized_relobj::map_to_kept_section) New function.
1154         (Sized_relobj::include_linkonce_section): Add new parameter.
1155         * target-reloc.h (Comdat_behavior): New type.
1156         (get_comdat_behavior): New function.
1157         (relocate_section): Add code to map a discarded section to the
1158         corresponding kept section when applying a relocation.
1159
1160 2008-04-30  Craig Silverstein  <csilvers@google.com>
1161
1162         * dwarf_reader.cc (next_generation_count): New static var.
1163         (Addr2line_cache_entry): New struct.
1164         (addr2line_cache): New static var.
1165         (Dwarf_line_info::one_addr2line): Added caching.
1166         (Dwarf_line_info::clear_addr2line_cache): New function.
1167         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
1168         cache-size parameter.
1169         (Dwarf_line_info::one_addr2line_cache): New function.
1170         * symtab.cc (Symbol_table::detect_odr_violations): Pass
1171         new cache-size argument to one_addr2line(), and clear cache.
1172
1173 2008-04-28  Cary Coutant  <ccoutant@google.com>
1174
1175         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
1176         R_386_PC8 relocations.
1177
1178 2008-04-23  Ian Lance Taylor  <iant@google.com>
1179
1180         * object.cc (Sized_relobj::include_section_group): Check for
1181         invalid section group.
1182
1183         * object.cc (make_elf_object): Correct test for 64-bit ELF file
1184         header size.
1185
1186         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
1187         than read for file header.
1188         * archive.cc (Archive::include_member): Likewise.
1189
1190 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
1191
1192         * aclocal.m4: Regenerate.
1193         * configure: Regenerate.
1194
1195 2008-04-19  Ian Lance Taylor  <iant@google.com>
1196
1197         * version.cc (version_string): Bump to 1.6.
1198
1199         * testsuite/Makefile.am (many_sections_r_test): New target.
1200         (many_sections_r_test_SOURCES): Remove.
1201         (many_sections_r_test_DEPENDENCIES): Remove.
1202         (many_sections_r_test_LDFLAGS): Remove.
1203         (many_sections_r_test_LDADD): Remove.
1204
1205         * object.cc (Sized_relobj::do_add_symbols): Always pass
1206         local_symbol_count_ to add_from_relobj.
1207
1208         * testsuite/Makefile.am (many_sections_check.h): Only check one in
1209         every thousand variables.
1210         * testsuite/Makefile.in: Rebuild.
1211
1212         * object.cc (Xindex::initialize_symtab_xindex): New function.
1213         (Xindex::read_symtab_xindex): New function.
1214         (Xindex::sym_xindex_to_shndx): New function.
1215         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
1216         available.
1217         (Sized_relobj::do_initialize_xindex): New function.
1218         (Sized_relobj::do_read_symbols): Adjust section links.
1219         (Sized_relobj::symbol_section_and_value): Add is_ordinary
1220         parameter.  Change all callers.
1221         (Sized_relobj::include_section_group): Adjust section links and
1222         symbol section indexes.
1223         (Sized_relobj::do_layout): Adjust section links.
1224         (Sized_relobj::do_count_local_symbols): Adjust section links and
1225         symbol section indexes.
1226         (Sized_relobj::do_finalize_local_symbols): Distinguish between
1227         ordinary and special symbols.
1228         (Sized_relobj::write_local_symbols): Add symtab_xindex and
1229         dynsym_xindex parameters.  Change all callers.  Adjust section
1230         links.  Use SHN_XINDEX when needed.
1231         (Sized_relobj::get_symbol_location_info): Adjust section links.
1232         Don't get fooled by special symbols.
1233         * object.h (class Xindex): Define.
1234         (class Object): Add xindex_ parameter.  Declare virtual functoin
1235         do_initialize_xindex.
1236         (Object::adjust_sym_shndx): New function.
1237         (Object::set_xindex): New protected function.
1238         (class Symbol_value): Add is_ordinary_shndx_ field.
1239         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
1240         (Symbol_value::value): Assert ordinary section.
1241         (Symbol_value::initialize_input_to_output_map): Likewise.
1242         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
1243         Change all callers.
1244         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
1245         all callers.
1246         (class Sized_relobj): Update declarations.
1247         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
1248         parameter.  Change all callers.
1249         (Sized_relobj::adjust_shndx): New function.
1250         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
1251         field.
1252         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
1253         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
1254         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
1255         (Sized_dynobj::read_dynsym_section): Adjust section links.
1256         (Sized_dynobj::read_dynamic): Likewise.
1257         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
1258         section links.
1259         (Sized_dynobj::do_initialize_xindex): New function.
1260         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
1261         do_initialize_xindex.
1262         (Sized_dynobj::adjust_shndx): New function.
1263         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
1264         dynsym_xindex_ fields.
1265         (Layout::finalize): Add a call to set_section_indexes before
1266         creating the symtab sections.
1267         (Layout::set_section_indexes): Don't do anything if the section
1268         already has a section index.
1269         (Layout::create_symtab_sections): Add shnum parameter.  Change
1270         caller.  Create .symtab_shndx section if needed.
1271         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
1272         caller.
1273         (Layout::allocated_output_section_count): New function.
1274         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
1275         needed.
1276         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
1277         fields.  Update declarations.
1278         (Layout::symtab_xindex): New function.
1279         (Layout::dynsym_xindex): New function.
1280         (class Write_symbols_task): Add layout_ field.
1281         (Write_symbols_task::Write_symbols_task): Add layout parameter.
1282         Change caller.
1283         * output.cc (Output_section_headers::Output_section_headers): Add
1284         shstrtab_section parameter.  Change all callers.
1285         (Output_section_headers::do_sized_write): Store overflow values
1286         for section count and section string table section index in
1287         section header zero.
1288         (Output_file_header::do_sized_write): Check for overflow of
1289         section count and section string table section index.
1290         (Output_symtab_xindex::do_write): New function.
1291         (Output_symtab_xindex::endian_do_write): New function.
1292         * output.h (class Output_section_headers): Add shstrtab_section_.
1293         Update declarations.
1294         (class Output_symtab_xindex): Define.
1295         (Output_section::has_out_shndx): New function.
1296         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
1297         field.
1298         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
1299         Change all callers.
1300         (Sized_symbol::init): Likewise.
1301         (Symbol::output_section): Check for ordinary symbol.
1302         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
1303         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
1304         callers.
1305         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
1306         Change all callers.  Simplify handling of symbols from sections
1307         not included in the link.
1308         (Symbol_table::add_from_dynobj): Handle ordinary symbol
1309         distinction.
1310         (Weak_alias_sorter::operator()): Assert that symbols are
1311         ordinary.
1312         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
1313         distinction.
1314         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
1315         parameters.  Change all callers.
1316         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
1317         symbol distinction.  Use SHN_XINDEX when needed.
1318         (Symbol_table::write_section_symbol): Add symtab_xindex
1319         parameter.  Change all callers.
1320         (Symbol_table::sized_write_section_symbol): Likewise.  Use
1321         SHN_XINDEX when needed.
1322         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
1323         declarations.
1324         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
1325         (Symbol::is_defined): Check is_ordinary.
1326         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
1327         (Symbol::is_absolute, Symbol::is_common): Likewise.
1328         (class Sized_symbol): Update declarations.
1329         (class Symbol_table): Update declarations.
1330         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
1331         parameters.  Change all callers.
1332         (Sized_symbol::override): Likewise.
1333         (Symbol_table::override): Likewise.
1334         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
1335         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
1336         is_ordinary, and orig_st_shndx parameters.  Change all callers.
1337         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
1338         to be in an ordinary section.
1339         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
1340         object and is_ordinary parameters.  Change all callers.
1341         (Sized_dwarf_line_info::read_relocs): Add object parameter.
1342         Change all callers.  Don't add undefined or non-ordinary symbols
1343         to reloc_map_.
1344         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
1345         Change all callers.
1346         * dwarf_reader.h (class Sized_dwarf_line_info): Update
1347         declarations.
1348         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
1349         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
1350         (Sized_relobj::relocate_sections): Likewise.
1351         * target-reloc.h (scan_relocs): Adjust section symbol index.
1352         (scan_relocatable_relocs): Likewise.
1353         * i386.cc (Scan::local): Check for ordinary symbols.
1354         * sparc.cc (Scan::local): Likewise.
1355         * x86_64.cc (Scan::local): Likewise.
1356         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
1357         to symbol_section_and_value.
1358         * testsuite/many_sections_test.cc: New file.
1359         * testsuite/Makefile.am (BUILT_SOURCES): Define.
1360         (check_PROGRAMS): Add many_sections_test.
1361         (many_sections_test_SOURCES): Define.
1362         (many_sections_test_DEPENDENCIES): Define.
1363         (many_sections_test_LDFLAGS): Define.
1364         (BUILT_SOURCES): Add many_sections_define.h.
1365         (many_sections_define.h): New target.
1366         (BUILT_SOURCES): Add many_sections_check.h.
1367         (many_sections_check.h): New target.
1368         (check_PROGRAMS): Add many_sections_r_test.
1369         (many_sections_r_test_SOURCES): Define.
1370         (many_sections_r_test_DEPENDENCIES): Define.
1371         (many_sections_r_test_LDFLAGS): Define.
1372         (many_sections_r_test_LDADD): Define.
1373         (many_sections_r_test.o): New target.
1374         * testsuite/Makefile.in: Rebuild.
1375
1376 2008-04-17  Cary Coutant  <ccoutant@google.com>
1377
1378         * errors.cc (Errors::info): New function.
1379         (gold_info): New function.
1380         * errors.h (Errors::info): New function.
1381         * gold.h (gold_info): New function.
1382         * object.cc (Input_objects::add_object): Print trace output.
1383         * options.cc (options::parse_set): New function.
1384         (General_options::parse_wrap): Deleted.
1385         (General_options::General_options): Deleted initializer.
1386         * options.h (options::String_set): New typedef.
1387         (options::parse_set): New function.
1388         (DEFINE_set): New macro.
1389         (General_options::wrap): Changed to use DEFINE_set. Changed
1390         callers of any_wrap_symbols and is_wrap_symbol.
1391         (General_options::trace, General_options::trace_symbol):
1392         New options.
1393         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
1394         (General_options::wrap_symbols_): Deleted.
1395         * symtab.cc (Symbol_table::add_from_object): Print trace output.
1396
1397 2008-04-17  David S. Miller  <davem@davemloft.net>
1398
1399         * options.cc (General_options::parse_V): New function.
1400         * options.h: Add entries for -V and -Qy.
1401
1402 2008-04-17  Ian Lance Taylor  <iant@google.com>
1403
1404         * common.cc (Symbol_table::allocate_commons): Remove options
1405         parameter.  Change caller.
1406         (Symbol_table::do_allocate_commons): Remove options parameter.
1407         Change caller.  Just call do_allocate_commons_list twice.
1408         (Symbol_table::do_allocate_commons_list): New function, broken out
1409         of do_allocate_commons.
1410         * common.h (class Allocate_commons_task): Remove options_ field.
1411         Update constructor.
1412         * symtab.cc (Symbol_table::Symbol_table): Initialize
1413         tls_commons_.
1414         (Symbol_table::add_from_object): Put TLS common symbols on
1415         tls_commons_ list.
1416         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
1417         which are IN_OUTPUT_DATA.
1418         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
1419         allocate_commons and do_allocate_commons declarations.  Declare
1420         do_allocate_commons_list.
1421         * gold.cc (queue_middle_tasks): Update creation of
1422         Allocate_commons_task to not pass options.
1423         * testsuite/Makefile.am (INCLUDES): Add -I.. .
1424         (TLS_TEST_C_FLAGS): New variable.
1425         (tls_test_c_pic.o): New target.
1426         (tls_test_shared.so): Link in tls_test_c_pic.o.
1427         (tls_test_c_pic_ie.o): New target.
1428         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
1429         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
1430         (tls_test_c.o): New target.
1431         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
1432         (tls_pic_test_LDADD): Likewise.
1433         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
1434         (tls_shared_gd_to_ie_test_LDADD): Likewise.
1435         (tls_test_c_gnu2.o): New target.
1436         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
1437         tls_test_c_gnu2.o.
1438         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
1439         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
1440         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
1441         * testsuite/tls_test.cc: Include "config.h".
1442         (t_last): Call t11_last.
1443         * testsuite/tls_test.h (t11, t11_last): Declare.
1444         * testsuite/tls_test_c.c: New file.
1445         * testsuite/tls_test_main.cc (thread_routine): Call t11.
1446         * configure.ac: Check for OpenMP support.
1447         * configure, config.in, Makefile.in: Rebuild.
1448         * testsuite/Makefile.in: Rebuild.
1449
1450 2008-04-16  Cary Coutant  <ccoutant@google.com>
1451
1452         * i386.cc (Target_i386::define_tls_base_symbol): New function.
1453         (Target_i386::tls_base_symbol_defined_): New field.
1454         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
1455         (Target_i386::Scan::global): Likewise.
1456         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
1457         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
1458         (Target_x86_64::tls_base_symbol_defined_): New field.
1459         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
1460         (Target_x86_64::Scan::global): Likewise.
1461
1462 2008-04-16  Cary Coutant  <ccoutant@google.com>
1463
1464         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
1465         (Symbol::needs_plt_entry): Allow weak undefined symbols.
1466         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
1467         building shared libraries.
1468         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
1469         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
1470         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
1471         * testsuite/Makefile.in: Rebuild.
1472         * testsuite/weak_undef.h: New file.
1473         * testsuite/weak_undef_file1.cc: Add extra test cases.
1474         * testsuite/weak_undef_file2.cc: Likewise.
1475         * testsuite/weak_undef_test.cc: Likewise.
1476
1477 2008-04-16  David S. Miller  <davem@davemloft.net>
1478
1479         * sparc.cc (Target_sparc::Scan): Change from struct to class.
1480         Add issued_non_pic_error_ field.  Declare check_non_pic.
1481         (Target_sparc::Scan::check_non_pic): New function.
1482         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
1483         (Target_sparc::Scan::global): Likewise.
1484
1485         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
1486         * configure: Rebuild.
1487
1488         * options.h (DEFINE_enable): New macro.
1489         (new_dtags): New enable option.
1490         (initfirst, interpose, loadfltr, nodefaultlib,
1491         nodelete, nodlopen, nodump): New -z options.
1492         * layout.cc (Layout:finish_dynamic_section): If new
1493         dtags enabled, emit DT_RUNPATH.  Also, emit a
1494         DT_FLAGS_1 containing any specified -z flags.
1495
1496 2008-04-16  Ian Lance Taylor  <iant@google.com>
1497
1498         * copy-relocs.cc: New file.
1499         * copy-relocs.h: New file.
1500         * reloc.cc: Remove Copy_relocs code.
1501         * reloc.h: Likewise.
1502         * reloc-types.h (struct Reloc_types) [both versions]: Add
1503         get_reloc_addend_noerror.
1504         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
1505         variants of add_global which take an addend which must be zero.
1506         * i386.cc: Include "copy-relocs.h".
1507         (class Target_i386): Change type of copy_relocs_ to variable,
1508         update initializer.
1509         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
1510         Change all callers.
1511         (Target_i386::do_finalize_sections): Change handling of
1512         copy_relocs_.
1513         * sparc.cc: Include "copy-relocs.h".
1514         (class Target_sparc): Change type of copy_relocs_ to variable,
1515         update initializer.
1516         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
1517         Change all callers.
1518         (Target_sparc::do_finalize_sections): Change handling of
1519         copy_relocs_.
1520         * x86_64.cc: Include "copy-relocs.h".
1521         (class Target_x86_64): Change type of copy_relocs_ to variable,
1522         update initializer.
1523         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
1524         class.  Change all callers.
1525         (Target_x86_64::do_finalize_sections): Change handling of
1526         copy_relocs_.
1527         * Makefile.am (CCFILES): Add copy-relocs.cc.
1528         (HFILES): Add copy-relocs.h.
1529
1530         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
1531
1532         * testsuite/script_test_4.sh: Permit leading zeroes.
1533
1534 2008-04-15  Ian Lance Taylor  <iant@google.com>
1535
1536         * script-sections.cc (Script_sections::create_segments): Use
1537         header_size_adjustment even when there is enough room for the
1538         headers.
1539         * testsuite/script_test_4.sh: New file.
1540         * testsuite/script_test_4.t: New file.
1541         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
1542         (check_DATA): Add script_test_4.stdout.
1543         (MOSTLYCLEANFILES): Likewise.
1544         (script_test_4): New target.
1545         (script_test_4.stdout): New target.
1546         * testsuite/Makefile.in: Rebuild.
1547
1548         * sparc.cc: Add definitions for Output_data_plt_sparc class
1549         constants.
1550
1551 2008-04-14  David S. Miller  <davem@davemloft.net>
1552
1553         * sparc.cc: New file.
1554         * Makefile.am (TARGETSOURCES): Add sparc.cc
1555         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
1556         * configure.tgt: Document targ_extra_size and
1557         targ_extra_big_endian.  Add entries for sparc-* and
1558         sparc64-*.
1559         * configure.ac: Handle targ_extra_size and
1560         targ_extra_big_endian.
1561         * Makefile.in: Rebuild.
1562         * configure: Likewise.
1563         * po/POTFILES.in: Likewise.
1564         * po/gold.pot: Likewise.
1565
1566 2008-04-14  Ian Lance Taylor  <iant@google.com>
1567
1568         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
1569         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
1570         in the name/type/flags to section mapping.  Don't call
1571         allocate_output_section.
1572         (Layout::choose_output_section): Change parameter from adjust_name
1573         to is_input_section.  Don't permit input sections after sections
1574         are attached to segments.  Don't call allocate_output_section.
1575         (Layout::layout_eh_frame): Call update_flags_for_input_section,
1576         not write_enable_output_section.
1577         (Layout::make_output_section): Don't push to
1578         unattached_section_list_ nor call attach_to_segment.  Call
1579         attach_section_to_segment if sections are attached.
1580         (Layout::attach_sections_to_segments): New function.
1581         (Layout::attach_section_to_segment): New function.
1582         (Layout::attach_allocated_section_to_segment): Rename from
1583         attach_to_segment.  Remove flags parameter.
1584         (Layout::allocate_output_section): Remove function.
1585         (Layout::write_enable_output_section): Remove function.
1586         * layout.h (class Layout): Update for above changes.  Add new
1587         field sections_are_attached_.
1588         * output.h (Output_section::update_flags_for_input_section): New
1589         function.
1590         * output.cc (Output_section::add_input_section): Call
1591         update_flags_for_input_section.
1592         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
1593
1594 2008-04-11  Cary Coutant  <ccoutant@google.com>
1595
1596         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
1597         thought unnecessary.
1598         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
1599
1600 2008-04-11  Ian Lance Taylor  <iant@google.com>
1601
1602         * output.h (class Output_section_data): Remove inline definition
1603         of set_addralign.
1604         * output.cc (Output_section_data::set_addralign): New function.
1605
1606 2008-04-11  Cary Coutant  <ccoutant@google.com>
1607
1608         Add support for TLS descriptors for i386 and x86_64.
1609         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
1610         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
1611         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
1612         GOT_TYPE_TLS_DESC.
1613         (Target_i386::got_mod_index_entry): Remove unnecessary code.
1614         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
1615         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
1616         relocations.
1617         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
1618         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
1619         Fix problem with initial-exec relocations.
1620         (Target_i386::Relocate::relocate_tls): Likewise.
1621         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
1622         relaxation.
1623         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
1624         support for section-plus-offset dynamic table entries.
1625         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
1626         (Output_data_dynamic::Dynamic_entry): Add support for
1627         section-plus-offset dynamic table entries.
1628         (Output_data_dynamic::Classification): Likewise.
1629         (Output_data_dynamic::classification_): Renamed offset_.
1630         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
1631         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
1632         (Target_x86_64::make_plt_section): New function.
1633         (Target_x86_64::reserve_tlsdesc_entries): New function.
1634         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
1635         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
1636         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
1637         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
1638         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
1639         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
1640         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
1641         add extra PLT entry for TLS descriptors.
1642         (Output_data_plt_x86_64::got_): New field.
1643         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
1644         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
1645         fields.
1646         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
1647         descriptors.
1648         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
1649         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
1650         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
1651         R_386_TLS_DESC_CALL relocations.
1652         (Target_x86_64::Scan::global): Likewise.
1653         (Target_x86_64::do_finalize_sections): Add dynamic table entries
1654         for TLS descriptors.
1655         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
1656         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
1657         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
1658         GD-to-IE relaxation.
1659         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
1660         and TLS_DESCRIPTORS.
1661         * Makefile.in: Rebuild.
1662         * configure: Rebuild.
1663         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
1664         (tls_test_shared2.so): New target.
1665         (tls_shared_gd_to_ie_test_SOURCES): New variable.
1666         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
1667         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
1668         (tls_shared_gd_to_ie_test_LDADD): New variable.
1669         (tls_shared_gnu2_gd_to_ie_test): New target.
1670         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
1671         New targets.
1672         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
1673         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
1674         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
1675         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
1676         (tls_shared_gnu2_test): New target.
1677         (tls_test_gnu2_shared.so): New target.
1678         (tls_shared_gnu2_test_SOURCES): New variable.
1679         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
1680         (tls_shared_gnu2_test_LDFLAGS): New variable.
1681         (tls_shared_gnu2_test_LDADD): New variable.
1682         * testsuite/Makefile.in: Rebuild.
1683         * testsuite/Makefile.
1684
1685 2008-04-11  Ian Lance Taylor  <iant@google.com>
1686
1687         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
1688         justsyms.t.
1689         * testsuite/Makefile.in: Rebuild.
1690
1691         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
1692         long.
1693         * testsuite/script_test_2.cc (main): Adjust test.
1694
1695 2008-04-11  David S. Miller  <davem@davemloft.net>
1696             Ian Lance Taylor  <iant@google.com>
1697
1698         * options.h (General_options): Add entries for '-Y' and
1699         '-relax'.
1700         * options.cc (General_options:finalize): If -Y was used, add those
1701         entries to the library path instead of the default "/lib" and
1702         "/usr/lib".
1703
1704 2008-04-11  David S. Miller  <davem@davemloft.net>
1705
1706         * testsuite/justsyms.t: Start at 0x100.
1707         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
1708         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
1709         long.
1710         * testsuite/script_test_2.cc: Adjust string and section length
1711         checks.
1712
1713 2008-04-09  Ian Lance Taylor  <iant@google.com>
1714
1715         PR gold/5996
1716         * script-sections.cc (Sections_element::allocate_to_segment): Add
1717         orphan parameter.
1718         (Output_section_definition::allocate_to_segment): Likewise.
1719         (Orphan_output_section::allocate_to_segment): Likewise.
1720         (Script_sections::attach_sections_using_phdrs_clause): Don't
1721         propagate non-PT_LOAD segments to orphan sections.
1722         * testsuite/Makefile.am (script_test_3.stdout): Generate using
1723         readelf rather than objdump.
1724         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
1725         .interp section and PT_INTERP segment are the same size.
1726         * testsuite/Makefile.in: Rebuild.
1727
1728         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
1729         aliases for symbols defined in the same object.
1730         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
1731         (weak_alias_test_SOURCES): New variable.
1732         (weak_alias_test_DEPENDENCIES): New variable.
1733         (weak_alias_test_LDFLAGS): New variable.
1734         (weak_alias_test_LDADD): New variable.
1735         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
1736         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
1737         (weak_alias_test_3.o): New target.
1738         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
1739         * testsuite/weak_alias_test_main.cc: New file.
1740         * testsuite/weak_alias_test_1.cc: New file.
1741         * testsuite/weak_alias_test_2.cc: New file.
1742         * testsuite/weak_alias_test_3.cc: New file.
1743
1744 2008-04-08  Ian Lance Taylor  <iant@google.com>
1745
1746         * options.h (class General_options): Add --noinhibit-exec option.
1747         * main.cc (main): Check --noinhibit-exec.
1748
1749         * options.h (class General_options): Define --wrap as a special
1750         option.  Add wrap_symbols_ field.
1751         (General_options::any_wrap_symbols): New function.
1752         (General_options::is_wrap_symbol): New function.
1753         * options.cc (General_options::parse_wrap): New function.
1754         (General_options::General_options): Initialize wrap_symbols_.
1755         * symtab.cc (Symbol_table::wrap_symbol): New function.
1756         (Symbol_table::add_from_object): Handle --wrap.
1757         * symtab.h (class Symbol_table): Declare wrap_symbol.
1758         * target.h (Target::wrap_char): New function.
1759         (Target::Target_info): Add wrap_char field.
1760         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
1761         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1762         * testsuite/testfile.cc (Target_test::test_target_info):
1763         Likewise.
1764
1765         * errors.cc (Errors::undefined_symbol): Mention symbol version if
1766         there is one.
1767
1768         * layout.h (class Layout): Add added_eh_frame_data_ field.
1769         * layout.cc (Layout::Layout): Initialize new field.
1770         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
1771         output section until we find a section we merged successfully.
1772         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
1773         that the size be non-zero.
1774
1775         * merge.cc (Object_merge_map::get_output_offset): Remove inline
1776         qualifier.
1777
1778 2008-04-08  Craig Silverstein  <csilvers@google.com>
1779
1780         * configure.ac: Export new conditional variable HAVE_ZLIB.
1781         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
1782         on HAVE_ZLIB.
1783         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
1784         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
1785
1786 2008-04-07  Ian Lance Taylor  <iant@google.com>
1787
1788         * version.cc (version_string): Set to "1.5".
1789
1790         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
1791         Add issued_non_pic_error_ field.  Declare check_non_pic.
1792         (Target_x86_64::Scan::check_non_pic): New function.
1793         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
1794         (Target_x86_64::Scan::global): Likewise.
1795
1796         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
1797         addend parameter.  Change caller.  Handle merge sections.
1798         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
1799         Address to Addend.  Don't add in the result of
1800         local_section_offset, pass down the addend and use the returned
1801         value.
1802         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
1803         Update declarations of local_section_offset and symbol_value.
1804         * testsuite/two_file_test_1.cc (t18): New function.
1805         * testsuite/two_file_test_2.cc (f18): New function.
1806         * testsuite/two_file_test_main.cc (main): Call t18.
1807         * testsuite/two_file_test.h (t18, f18): Declare.
1808
1809         * configure.ac: Don't test for objdump, c++filt, or readelf.
1810         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
1811         conditionals.
1812         (TEST_READELF): New variable.
1813         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
1814         (check_PROGRAMS): Add two_file_strip_test.
1815         (two_file_strip_test): New target.
1816         (check_PROGRAMS): Add two_file_same_shared_strip_test.
1817         (two_file_same_shared_strip_test_SOURCES): New variable.
1818         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
1819         (two_file_same_shared_strip_test_LDFLAGS): New variable.
1820         (two_file_same_shared_strip_test_LDADD): New variable.
1821         (two_file_shared_strip.so): New target.
1822         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
1823         (ver_test_5.syms, ver_test_7.syms): Likewise.
1824         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
1825         (strip_test_3.stdout): Use TEST_OBJDUMP.
1826         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
1827
1828 2008-04-04  Cary Coutant  <ccoutant@google.com>
1829
1830         * symtab.h (Symbol::is_weak_undefined): New function.
1831         (Symbol::is_strong_undefined): New function.
1832         (Symbol::is_absolute): New function.
1833         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
1834         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
1835         absolute symbols.
1836         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
1837         (weak_undef_test): New target.
1838         * testsuite/Makefile.in: Rebuild.
1839         * testsuite/weak_undef_file1.cc: New file.
1840         * testsuite/weak_undef_file2.cc: New file.
1841         * testsuite/weak_undef_test.cc: New file.
1842
1843 2008-04-03  Craig Silverstein  <csilvers@google.com>
1844
1845         * compressed_output.h (class Output_compressed_section): Use
1846         unsigned buffer.
1847         * compressed_output.cc (zlib_compress): Use unsigned buffers,
1848         add zlib header.
1849         (zlib_compressed_suffix): Removed.
1850         (Output_compressed_section::set_final_data_size): Use unsigned
1851         buffers.
1852         * testsuite/Makefile.am (flagstest_compress_debug_sections):
1853         Fix linker invocation.
1854         (flagstest_o_specialfile_and_compress_debug_sections):
1855         Likewise.
1856         * testsuite/Makefile.in: Regenerated.
1857
1858 2008-04-02  David S. Miller  <davem@davemloft.net>
1859
1860         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
1861         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
1862
1863 2008-04-02  Craig Silverstein  <csilvers@google.com>
1864
1865         * TODO: New file.
1866
1867 2008-04-02  Ian Lance Taylor  <iant@google.com>
1868
1869         * fileread.cc (File_read::find_view): Add byteshift and vshifted
1870         parameters.  Update for new key type to views_.  Change all
1871         callers.
1872         (File_read::read): Adjust for byteshift in returned view.
1873         (File_read::add_view): New function, broken out of
1874         find_and_make_view.
1875         (File_read::make_view): New function, broken out of
1876         find_and_make_view.
1877         (File_read::find_or_make_view): Add offset and aligned
1878         parameters.  Rewrite accordingly.  Change all callers.
1879         (File_read::get_view): Add offset and aligned parameters.  Adjust
1880         for byteshift in return value.
1881         (File_read::get_lasting_view): Likewise.
1882         * fileread.h (class File_read): Update declarations.
1883         (class File_read::View): Add byteshift_ field.  Add byteshift to
1884         constructor.  Add byteshift method.
1885         * archive.h (Archive::clear_uncached_views): New function.
1886         (Archive::get_view): Add aligned parameter.  Change all callers.
1887         * object.h (Object::get_view): Add aligned parameter.  Change all
1888         callers.
1889         (Object::get_lasting_view): Likewise.
1890
1891         * fileread.cc (File_read::release): Don't call clear_views if
1892         there are multiple objects.
1893         * fileread.h (File_read::clear_uncached_views): New function.
1894         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
1895         on the archive.
1896
1897 2008-03-31  Cary Coutant  <ccoutant@google.com>
1898
1899         Add thin archive support.
1900         * archive.cc (Archive::armagt): New const.
1901         (Archive::setup): Remove task parameter and calls to unlock.
1902         (Archive::unlock_nested_archives): New function.
1903         (Archive::read_header): Add nested_off parameter. Change
1904         all callers.
1905         (Archive::interpret_header): Likewise.
1906         (Archive::include_all_members): Change to handle thin
1907         archives.
1908         (Archive::include_member): Likewise.
1909         * archive.h (Archive::Archive): Add new parameters and
1910         initializers.
1911         (Archive::armagt): New const.
1912         (Archive::setup): Remove task parameter.
1913         (Archive::unlock_nested_archives): New function.
1914         (Archive::read_header): Add nested_off parameter.
1915         (Archive::interpret_header): Likewise.
1916         (Archive::Nested_archive_table): New typedef.
1917         (Archive::is_thin_archive_): New field.
1918         (Archive::nested_archives_): New field.
1919         (Archive::options_): New field.
1920         (Archive::dirpath_): New field.
1921         (Archive::task_): New field.
1922         * readsyms.cc (Read_symbols::do_read_symbols): Add check
1923         for thin archives.  Pass additional parameters to
1924         Archive::Archive.  Unlock the archive file after calling
1925         Archive::setup.
1926
1927 2008-03-29  Ian Lance Taylor  <iant@google.com>
1928
1929         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
1930         version symbol to be local.
1931         * testsuite/ver_test_4.sh: New file.
1932         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
1933         (check_DATA): Add ver_test_4.syms.
1934         (ver_test_4.syms): New target.
1935         * testsuite/Makefile.in: Rebuild.
1936
1937         * output.cc
1938         (Output_section::Input_section_sort_entry::has_priority): New
1939         function.
1940         (Output_section::Input_section_sort_entry::match_file_name): New
1941         function.
1942         (Output_section::Input_section_sort_entry::match_section_name):
1943         Remove.
1944         (Output_section::Input_section_sort_entry::match_section_name_prefix):
1945         Remove.
1946         (Output_section::Input_section_sort_entry::match_section_file):
1947         Remove.
1948         (Output_section::Input_section_sort_compare::operator()): Rewrite
1949         using new Input_section_sort_entry functions.  Sort crtbegin and
1950         crtend first.  Sort sections with no priority before sections with
1951         a priority.
1952         * testsuite/initpri1.c (d3): Check j != 4.
1953         (cd5): New constructor/destructor function.
1954         (main): Check j != 2.
1955
1956         * symtab.cc (Symbol_table::add_from_object): If we don't use the
1957         new symbol when resolving, don't call set_is_default.
1958         * testsuite/ver_test_7.cc: New file.
1959         * testsuite/ver_test_7.sh: New file.
1960         * testsuite/Makefile.am (ver_test_7.so): New target.
1961         (ver_test_7.o): New target.
1962         (check_SCRIPTS): Add ver_test_7.sh.
1963         (check_DATA): Add ver_test_7.syms.
1964         (ver_test_7.syms): New target.
1965
1966 2008-03-28  Ian Lance Taylor  <iant@google.com>
1967
1968         * layout.cc (Layout::layout): If we see an input section with a
1969         name that needs sorting, set the must_sort flag for the output
1970         section.
1971         (Layout::make_output_section): If the name of the output section
1972         indicates that it might require sorting, set the may_sort flag.
1973         * output.h (Output_section::may_sort_attached_input_sections): New
1974         function.
1975         (Output_section::set_may_sort_attached_input_sections): New
1976         function.
1977         (Output_section::must_sort_attached_input_sections): New
1978         function.
1979         (Output_section::set_must_sort_attached_input_sections): New
1980         function.
1981         (class Output_section): Declare Input_section_sort_entry.  Define
1982         Input_section_sort_compare.  Declare
1983         sort_attached_input_sections.  Add new fields:
1984         may_sort_attached_input_sections_,
1985         must_sort_attached_input_sections_,
1986         attached_input_sections_are_sorted_.
1987         * output.cc (Output_section::Output_section): Initialize new
1988         fields.
1989         (Output_section::add_input_section): Add an entry to
1990         input_sections_ if may_sort or must_sort are true.
1991         (Output_section::set_final_data_size): Call
1992         sort_attached_input_sections if necessary.
1993         (Output_section::Input_section_sort_entry): Define new class.
1994         (Output_section::Input_section_sort_compare::operator()): New
1995         function.
1996         (Output_section::sort_attached_input_sections): New function.
1997         * configure.ac: Check whether the compiler supports constructor
1998         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
1999         * testsuite/initpri1.c: New file.
2000         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
2001         CONSTRUCTOR_PRIORITY.
2002         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
2003         (initpri1_LDFLAGS): New variable.
2004         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2005
2006 2008-03-27  Ian Lance Taylor  <iant@google.com>
2007
2008         * common.cc (Sort_commons::operator): Correct sorting algorithm.
2009         * testsuite/common_test_1.c: New file.
2010         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
2011         (common_test_1_SOURCES): New variable.
2012         (common_test_1_DEPENDENCIES): New variable.
2013         (common_test_1_LDFLAGS): New variable.
2014
2015         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
2016         and commons_ correctly when NAME/VERSION does not override
2017         NAME/NULL.
2018         * testsuite/ver_test_6.c: New file.
2019         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
2020         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
2021         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
2022
2023 2008-03-26  Ian Lance Taylor  <iant@google.com>
2024
2025         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
2026         of an undefined symbol from a version script.
2027         * testsuite/Makefile.am (ver_test_5.so): New target.
2028         (ver_test_5.o): New target.
2029         (check_SCRIPTS): Add ver_test_5.sh.
2030         (check_DATA): Add ver_test_5.syms.
2031         (ver_test_5.syms): New target.
2032         * testsuite/ver_test_5.cc: New file.
2033         * testsuite/ver_test_5.script: New file.
2034         * testsuite/ver_test_5.sh: New file.
2035         * Makefile.in, testsuite/Makefile.in: Rebuild.
2036
2037         PR gold/5986
2038         Fix problems building gold with gcc 4.3.0.
2039         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
2040         (gold_error_at_location, gold_warning_at_location): Use it.
2041         * configure.ac: Check whether we can compile and use a template
2042         function with a printf attribute.
2043         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
2044         when jumping over bytes.
2045         * object.cc: Instantiate Object::read_section_data.
2046         * debug.h: Include <cstring>
2047         * dwarf_reader.cc: Include <algorithm>
2048         * main.cc: Include <cstring>.
2049         * options.cc: Include <cstring>.
2050         * output.cc: Include <cstring>.
2051         * script.cc: Include <cstring>.
2052         * script.h: Include <string>.
2053         * symtab.cc: Include <cstring> and <algorithm>.
2054         * target-select.cc: Include <cstring>.
2055         * version.cc: Include <string>.
2056         * testsuite/testmain.cc: Include <cstdlib>.
2057         * configure, config.in: Rebuild.
2058
2059 2008-03-25  Ian Lance Taylor  <iant@google.com>
2060
2061         * options.cc: Include "../bfd/bfdver.h".
2062         (options::help): Print bug reporting address.
2063
2064         * version.cc (print_version): Adjust output for current value of
2065         BFD_VERSION_STRING.
2066
2067         * NEWS: New file.
2068
2069         * options.cc (options::help): Print list of supported targets.
2070         * target-select.h: Include <vector>.
2071         (class Target_selector): Make machine_, size_, and is_big_endian_
2072         fields const.  Add bfd_name_ and instantiated_target_ fields.
2073         (Target_selector::Target_selector): Add bfd_name parameter.
2074         (Target_selector::recognize): Make non-virtual, call
2075         do_recognize.
2076         (Target_selector::recognize_by_name): Make non-virtual, call
2077         do_recognize_by_name.
2078         (Target_selector::supported_names): New function.
2079         (Target_selector::bfd_name): New function.
2080         (Target_selector::do_instantiate_target): New pure virtual
2081         function.
2082         (Target_selector::do_recognize): New virtual function.
2083         (Target_selector::do_recognize_by_name): New virtual function.
2084         (Target_selector::instantiate_target): New private function.
2085         (supported_target_names): Declare.
2086         * target-select.cc (Target_selector::Target_selector): Update for
2087         new parameter and fields.
2088         (select_target_by_name): Check that the name matches before
2089         calling recognize_by_name.
2090         (supported_target_names): New function.
2091         * i386.cc (class Target_selector_i386): Update Target_selector
2092         constructor call.  Remove recognize and recognize_by_name.  Add
2093         do_instantiate_target.
2094         * x86_64.cc (class Target_selector_x86_64): Likewise.
2095         * testsuite/testfile.cc (class Target_selector_test): Update for
2096         changes to Target_selector.
2097
2098         * README: Rewrite, with some notes on unsupported features.
2099
2100 2008-03-24  Cary Coutant  <ccoutant@google.com>
2101
2102         * i386.cc (Target_i386::Got_type): New enum declaration.
2103         (Target_i386::Scan::local): Updated callers of Output_data_got
2104         member functions.
2105         (Target_i386::Scan::global): Likewise.
2106         (Target_i386::Relocate::relocate): Likewise.
2107         (Target_i386::Relocate::relocate_tls): Likewise.
2108         * object.h (Got_offset_list): New class.
2109         (Sized_relobj::local_has_got_offset): Added got_type parameter.
2110         (Sized_relobj::local_got_offset): Likewise.
2111         (Sized_relobj::set_local_got_offset): Likewise.
2112         (Sized_relobj::local_has_tls_got_offset): Removed.
2113         (Sized_relobj::local_tls_got_offset): Removed.
2114         (Sized_relobj::set_local_tls_got_offset): Removed.
2115         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
2116         * output.cc (Output_data_got::add_global): Added got_type parameter.
2117         (Output_data_got::add_global_with_rel): Likewise.
2118         (Output_data_got::add_global_with_rela): Likewise.
2119         (Output_data_got::add_global_pair_with_rel): New function.
2120         (Output_data_got::add_global_pair_with_rela): New function.
2121         (Output_data_got::add_local): Added got_type parameter.
2122         (Output_data_got::add_local_with_rel): Likewise.
2123         (Output_data_got::add_local_with_rela): Likewise.
2124         (Output_data_got::add_local_pair_with_rel): New function.
2125         (Output_data_got::add_local_pair_with_rela): New function.
2126         (Output_data_got::add_global_tls): Removed.
2127         (Output_data_got::add_global_tls_with_rel): Removed.
2128         (Output_data_got::add_global_tls_with_rela): Removed.
2129         (Output_data_got::add_local_tls): Removed.
2130         (Output_data_got::add_local_tls_with_rel): Removed.
2131         (Output_data_got::add_local_tls_with_rela): Removed.
2132         * output.h (Output_data_got::add_global): Added got_type parameter.
2133         (Output_data_got::add_global_with_rel): Likewise.
2134         (Output_data_got::add_global_with_rela): Likewise.
2135         (Output_data_got::add_global_pair_with_rel): New function.
2136         (Output_data_got::add_global_pair_with_rela): New function.
2137         (Output_data_got::add_local): Added got_type parameter.
2138         (Output_data_got::add_local_with_rel): Likewise.
2139         (Output_data_got::add_local_with_rela): Likewise.
2140         (Output_data_got::add_local_pair_with_rel): New function.
2141         (Output_data_got::add_local_pair_with_rela): New function.
2142         (Output_data_got::add_global_tls): Removed.
2143         (Output_data_got::add_global_tls_with_rel): Removed.
2144         (Output_data_got::add_global_tls_with_rela): Removed.
2145         (Output_data_got::add_local_tls): Removed.
2146         (Output_data_got::add_local_tls_with_rel): Removed.
2147         (Output_data_got::add_local_tls_with_rela): Removed.
2148         * resolve.cc (Symbol::override_base_with_special): Removed
2149         reference to has_got_offset_ field.
2150         * symtab.cc (Symbol::init_fields): Replaced initialization
2151         of got_offset_ with got_offsets_.  Removed initialization
2152         of has_got_offset_
2153         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
2154         (Symbol::got_offset): Likewise.
2155         (Symbol::set_got_offset): Likewise.
2156         (Symbol::has_tls_got_offset): Removed.
2157         (Symbol::tls_got_offset): Removed.
2158         (Symbol::set_tls_got_offset): Removed.
2159         (Symbol::got_offset_): Removed.
2160         (Symbol::tls_mod_got_offset_): Removed.
2161         (Symbol::tls_pair_got_offset_): Removed.
2162         (Symbol::got_offsets_): New field.
2163         (Symbol::has_got_offset): Removed.
2164         (Symbol::has_tls_mod_got_offset): Removed.
2165         (Symbol::has_tls_pair_got_offset): Removed.
2166         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
2167         (Target_x86_64::Scan::local): Updated callers of Output_data_got
2168         member functions.
2169         (Target_x86_64::Scan::global): Likewise.
2170         (Target_x86_64::Relocate::relocate): Likewise.
2171         (Target_x86_64::Relocate::relocate_tls): Likewise.
2172
2173 2008-03-25  Ben Elliston  <bje@au.ibm.com>
2174
2175         * yyscript.y: Fix spelling error in comment.
2176
2177 2008-03-24  Ian Lance Taylor  <iant@google.com>
2178
2179         * options.h (class General_options): Define build_id option.
2180         * layout.h (class Layout): Declare write_build_id, create_note,
2181         create_build_id.  Add build_id_note_ member.
2182         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
2183         "libiberty.h", "md5.h", "sha1.h".
2184         (Layout::Layout): Initialize eh_frame_data_,
2185         eh_frame_hdr_section_, and build_id_note_.
2186         (Layout::finalize): Call create_build_id.
2187         (Layout::create_note): New function, broken out of
2188         Layout::create_gold_note.
2189         (Layout::create_gold_note): Call create_note.
2190         (Layout::create_build_id): New function.
2191         (Layout::write_build_id): New function.
2192         (Close_task_runner::run): Call write_build_id.
2193
2194         * x86_64.cc: Correct license to GPLv3.
2195
2196 2008-03-23  Ian Lance Taylor  <iant@google.com>
2197
2198         * options.cc: Include "demangle.h".
2199         (parse_optional_string): New function.
2200         (parse_long_option): Handle takes_optional_argument.
2201         (parse_short_option): Update dash_z initializer.  Handle
2202         takes_optional_argument.
2203         (General_options::General_options): Initialize do_demangle_.
2204         (General_options::finalize): Set do_demangle_.  Handle demangling
2205         style.
2206         * options.h (parse_optional_string): Declare.
2207         (struct One_option): Add optional_arg field.  Update constructor.
2208         Update call constructor calls.  Add takes_optional_argument
2209         function.
2210         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
2211         (DEFINE_optional_string): Define.
2212         (General_options::demangle): Change from DEFINE_bool to
2213         DEFINE_optional_string.
2214         (General_options::no_demangle): New function.
2215         (General_options::do_demangle): New function.
2216         (General_options::set_do_demangle): New function.
2217         (General_options::execstack_status_): Move definition to end of
2218         class definition.
2219         (General_options::static_): Likewise.
2220         (General_options::do_demangle_): New field.
2221         * object.cc (big_endian>::get_symbol_location_info): Call
2222         Options::do_demangle, not Options::demangle.
2223         * symtab.cc (demangle): Likewise.
2224
2225 2008-03-22  Ian Lance Taylor  <iant@google.com>
2226
2227         * gold.h: Include <cstddef> and <sys/types.h>
2228         * options.h: Include <cstring>.
2229
2230 2008-03-21  Ian Lance Taylor  <iant@google.com>
2231
2232         * Added source code to GNU binutils.
2233