gold/ChangeLog

   1 2008-04-30  Cary Coutant  <ccoutant@google.com>
   2
   3         * target-reloc.h (relocate_section): Fix dead-pointer bug.
   4
   5         * layout.cc (Layout::include_section): Refactored check for debug
   6         info section.
   7         (Layout::add_comdat): Add new parameters.  Change type
   8         of signature parameter.  Add object and shndx to signatures table.
   9         (Layout::find_kept_object): New function.
  10         * layout.h: Include <cstring>.
  11         (Layout::is_debug_info_section): New function.
  12         (Layout::add_comdat): Add new parameters.
  13         (Layout::find_kept_object): New function.
  14         (Layout::Kept_section): New struct.
  15         (Layout::Signatures): Change type of map range.
  16         * object.cc (Relobj::output_section_address): New function.
  17         (Sized_relobj::include_section_group): Add new parameters.  Change
  18         calls to Layout::add_comdat.  Change to build table of kept comdat
  19         groups and table mapping discarded sections to kept sections.
  20         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
  21         (Sized_relobj::do_layout): Change calls to include_section_group and
  22         include_linkonce_section.
  23         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
  24         value to zero when section is discarded.
  25         (Sized_relobj::map_to_kept_section): New function.
  26         * object.h (Relobj::output_section_address): New function.
  27         (Relobj::Comdat_group): New type.
  28         (Relobj::find_comdat_group): New function.
  29         (Relobj::Comdat_group_table): New type.
  30         (Relobj::Kept_comdat_section): New type.
  31         (Relobj::Kept_comdat_section_table): New type.
  32         (Relobj::add_comdat_group): New function.
  33         (Relobj::set_kept_comdat_section): New function.
  34         (Relobj::get_kept_comdat_section): New function.
  35         (Relobj::comdat_groups_): New field.
  36         (Relobj::kept_comdat_sections_): New field.
  37         (Symbol_value::input_value): Update comment.
  38         (Sized_relobj::map_to_kept_section) New function.
  39         (Sized_relobj::include_linkonce_section): Add new parameter.
  40         * target-reloc.h (Comdat_behavior): New type.
  41         (get_comdat_behavior): New function.
  42         (relocate_section): Add code to map a discarded section to the
  43         corresponding kept section when applying a relocation.
  44
  45 2008-04-30  Craig Silverstein  <csilvers@google.com>
  46
  47         * dwarf_reader.cc (next_generation_count): New static var.
  48         (Addr2line_cache_entry): New struct.
  49         (addr2line_cache): New static var.
  50         (Dwarf_line_info::one_addr2line): Added caching.
  51         (Dwarf_line_info::clear_addr2line_cache): New function.
  52         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
  53         cache-size parameter.
  54         (Dwarf_line_info::one_addr2line_cache): New function.
  55         * symtab.cc (Symbol_table::detect_odr_violations): Pass
  56         new cache-size argument to one_addr2line(), and clear cache.
  57
  58 2008-04-28  Cary Coutant  <ccoutant@google.com>
  59
  60         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
  61         R_386_PC8 relocations.
  62
  63 2008-04-23  Ian Lance Taylor  <iant@google.com>
  64
  65         * object.cc (Sized_relobj::include_section_group): Check for
  66         invalid section group.
  67
  68         * object.cc (make_elf_object): Correct test for 64-bit ELF file
  69         header size.
  70
  71         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
  72         than read for file header.
  73         * archive.cc (Archive::include_member): Likewise.
  74
  75 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
  76
  77         * aclocal.m4: Regenerate.
  78         * configure: Regenerate.
  79
  80 2008-04-19  Ian Lance Taylor  <iant@google.com>
  81
  82         * version.cc (version_string): Bump to 1.6.
  83
  84         * testsuite/Makefile.am (many_sections_r_test): New target.
  85         (many_sections_r_test_SOURCES): Remove.
  86         (many_sections_r_test_DEPENDENCIES): Remove.
  87         (many_sections_r_test_LDFLAGS): Remove.
  88         (many_sections_r_test_LDADD): Remove.
  89
  90         * object.cc (Sized_relobj::do_add_symbols): Always pass
  91         local_symbol_count_ to add_from_relobj.
  92
  93         * testsuite/Makefile.am (many_sections_check.h): Only check one in
  94         every thousand variables.
  95         * testsuite/Makefile.in: Rebuild.
  96
  97         * object.cc (Xindex::initialize_symtab_xindex): New function.
  98         (Xindex::read_symtab_xindex): New function.
  99         (Xindex::sym_xindex_to_shndx): New function.
 100         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
 101         available.
 102         (Sized_relobj::do_initialize_xindex): New function.
 103         (Sized_relobj::do_read_symbols): Adjust section links.
 104         (Sized_relobj::symbol_section_and_value): Add is_ordinary
 105         parameter.  Change all callers.
 106         (Sized_relobj::include_section_group): Adjust section links and
 107         symbol section indexes.
 108         (Sized_relobj::do_layout): Adjust section links.
 109         (Sized_relobj::do_count_local_symbols): Adjust section links and
 110         symbol section indexes.
 111         (Sized_relobj::do_finalize_local_symbols): Distinguish between
 112         ordinary and special symbols.
 113         (Sized_relobj::write_local_symbols): Add symtab_xindex and
 114         dynsym_xindex parameters.  Change all callers.  Adjust section
 115         links.  Use SHN_XINDEX when needed.
 116         (Sized_relobj::get_symbol_location_info): Adjust section links.
 117         Don't get fooled by special symbols.
 118         * object.h (class Xindex): Define.
 119         (class Object): Add xindex_ parameter.  Declare virtual functoin
 120         do_initialize_xindex.
 121         (Object::adjust_sym_shndx): New function.
 122         (Object::set_xindex): New protected function.
 123         (class Symbol_value): Add is_ordinary_shndx_ field.
 124         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
 125         (Symbol_value::value): Assert ordinary section.
 126         (Symbol_value::initialize_input_to_output_map): Likewise.
 127         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
 128         Change all callers.
 129         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
 130         all callers.
 131         (class Sized_relobj): Update declarations.
 132         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
 133         parameter.  Change all callers.
 134         (Sized_relobj::adjust_shndx): New function.
 135         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
 136         field.
 137         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
 138         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
 139         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
 140         (Sized_dynobj::read_dynsym_section): Adjust section links.
 141         (Sized_dynobj::read_dynamic): Likewise.
 142         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
 143         section links.
 144         (Sized_dynobj::do_initialize_xindex): New function.
 145         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
 146         do_initialize_xindex.
 147         (Sized_dynobj::adjust_shndx): New function.
 148         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
 149         dynsym_xindex_ fields.
 150         (Layout::finalize): Add a call to set_section_indexes before
 151         creating the symtab sections.
 152         (Layout::set_section_indexes): Don't do anything if the section
 153         already has a section index.
 154         (Layout::create_symtab_sections): Add shnum parameter.  Change
 155         caller.  Create .symtab_shndx section if needed.
 156         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
 157         caller.
 158         (Layout::allocated_output_section_count): New function.
 159         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
 160         needed.
 161         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
 162         fields.  Update declarations.
 163         (Layout::symtab_xindex): New function.
 164         (Layout::dynsym_xindex): New function.
 165         (class Write_symbols_task): Add layout_ field.
 166         (Write_symbols_task::Write_symbols_task): Add layout parameter.
 167         Change caller.
 168         * output.cc (Output_section_headers::Output_section_headers): Add
 169         shstrtab_section parameter.  Change all callers.
 170         (Output_section_headers::do_sized_write): Store overflow values
 171         for section count and section string table section index in
 172         section header zero.
 173         (Output_file_header::do_sized_write): Check for overflow of
 174         section count and section string table section index.
 175         (Output_symtab_xindex::do_write): New function.
 176         (Output_symtab_xindex::endian_do_write): New function.
 177         * output.h (class Output_section_headers): Add shstrtab_section_.
 178         Update declarations.
 179         (class Output_symtab_xindex): Define.
 180         (Output_section::has_out_shndx): New function.
 181         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
 182         field.
 183         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
 184         Change all callers.
 185         (Sized_symbol::init): Likewise.
 186         (Symbol::output_section): Check for ordinary symbol.
 187         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
 188         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
 189         callers.
 190         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
 191         Change all callers.  Simplify handling of symbols from sections
 192         not included in the link.
 193         (Symbol_table::add_from_dynobj): Handle ordinary symbol
 194         distinction.
 195         (Weak_alias_sorter::operator()): Assert that symbols are
 196         ordinary.
 197         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
 198         distinction.
 199         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
 200         parameters.  Change all callers.
 201         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
 202         symbol distinction.  Use SHN_XINDEX when needed.
 203         (Symbol_table::write_section_symbol): Add symtab_xindex
 204         parameter.  Change all callers.
 205         (Symbol_table::sized_write_section_symbol): Likewise.  Use
 206         SHN_XINDEX when needed.
 207         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
 208         declarations.
 209         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
 210         (Symbol::is_defined): Check is_ordinary.
 211         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
 212         (Symbol::is_absolute, Symbol::is_common): Likewise.
 213         (class Sized_symbol): Update declarations.
 214         (class Symbol_table): Update declarations.
 215         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
 216         parameters.  Change all callers.
 217         (Sized_symbol::override): Likewise.
 218         (Symbol_table::override): Likewise.
 219         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
 220         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
 221         is_ordinary, and orig_st_shndx parameters.  Change all callers.
 222         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
 223         to be in an ordinary section.
 224         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
 225         object and is_ordinary parameters.  Change all callers.
 226         (Sized_dwarf_line_info::read_relocs): Add object parameter.
 227         Change all callers.  Don't add undefined or non-ordinary symbols
 228         to reloc_map_.
 229         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
 230         Change all callers.
 231         * dwarf_reader.h (class Sized_dwarf_line_info): Update
 232         declarations.
 233         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
 234         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
 235         (Sized_relobj::relocate_sections): Likewise.
 236         * target-reloc.h (scan_relocs): Adjust section symbol index.
 237         (scan_relocatable_relocs): Likewise.
 238         * i386.cc (Scan::local): Check for ordinary symbols.
 239         * sparc.cc (Scan::local): Likewise.
 240         * x86_64.cc (Scan::local): Likewise.
 241         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
 242         to symbol_section_and_value.
 243         * testsuite/many_sections_test.cc: New file.
 244         * testsuite/Makefile.am (BUILT_SOURCES): Define.
 245         (check_PROGRAMS): Add many_sections_test.
 246         (many_sections_test_SOURCES): Define.
 247         (many_sections_test_DEPENDENCIES): Define.
 248         (many_sections_test_LDFLAGS): Define.
 249         (BUILT_SOURCES): Add many_sections_define.h.
 250         (many_sections_define.h): New target.
 251         (BUILT_SOURCES): Add many_sections_check.h.
 252         (many_sections_check.h): New target.
 253         (check_PROGRAMS): Add many_sections_r_test.
 254         (many_sections_r_test_SOURCES): Define.
 255         (many_sections_r_test_DEPENDENCIES): Define.
 256         (many_sections_r_test_LDFLAGS): Define.
 257         (many_sections_r_test_LDADD): Define.
 258         (many_sections_r_test.o): New target.
 259         * testsuite/Makefile.in: Rebuild.
 260
 261 2008-04-17  Cary Coutant  <ccoutant@google.com>
 262
 263         * errors.cc (Errors::info): New function.
 264         (gold_info): New function.
 265         * errors.h (Errors::info): New function.
 266         * gold.h (gold_info): New function.
 267         * object.cc (Input_objects::add_object): Print trace output.
 268         * options.cc (options::parse_set): New function.
 269         (General_options::parse_wrap): Deleted.
 270         (General_options::General_options): Deleted initializer.
 271         * options.h (options::String_set): New typedef.
 272         (options::parse_set): New function.
 273         (DEFINE_set): New macro.
 274         (General_options::wrap): Changed to use DEFINE_set. Changed
 275         callers of any_wrap_symbols and is_wrap_symbol.
 276         (General_options::trace, General_options::trace_symbol):
 277         New options.
 278         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
 279         (General_options::wrap_symbols_): Deleted.
 280         * symtab.cc (Symbol_table::add_from_object): Print trace output.
 281
 282 2008-04-17  David S. Miller  <davem@davemloft.net>
 283
 284         * options.cc (General_options::parse_V): New function.
 285         * options.h: Add entries for -V and -Qy.
 286
 287 2008-04-17  Ian Lance Taylor  <iant@google.com>
 288
 289         * common.cc (Symbol_table::allocate_commons): Remove options
 290         parameter.  Change caller.
 291         (Symbol_table::do_allocate_commons): Remove options parameter.
 292         Change caller.  Just call do_allocate_commons_list twice.
 293         (Symbol_table::do_allocate_commons_list): New function, broken out
 294         of do_allocate_commons.
 295         * common.h (class Allocate_commons_task): Remove options_ field.
 296         Update constructor.
 297         * symtab.cc (Symbol_table::Symbol_table): Initialize
 298         tls_commons_.
 299         (Symbol_table::add_from_object): Put TLS common symbols on
 300         tls_commons_ list.
 301         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
 302         which are IN_OUTPUT_DATA.
 303         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
 304         allocate_commons and do_allocate_commons declarations.  Declare
 305         do_allocate_commons_list.
 306         * gold.cc (queue_middle_tasks): Update creation of
 307         Allocate_commons_task to not pass options.
 308         * testsuite/Makefile.am (INCLUDES): Add -I.. .
 309         (TLS_TEST_C_FLAGS): New variable.
 310         (tls_test_c_pic.o): New target.
 311         (tls_test_shared.so): Link in tls_test_c_pic.o.
 312         (tls_test_c_pic_ie.o): New target.
 313         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
 314         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
 315         (tls_test_c.o): New target.
 316         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
 317         (tls_pic_test_LDADD): Likewise.
 318         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
 319         (tls_shared_gd_to_ie_test_LDADD): Likewise.
 320         (tls_test_c_gnu2.o): New target.
 321         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
 322         tls_test_c_gnu2.o.
 323         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
 324         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
 325         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
 326         * testsuite/tls_test.cc: Include "config.h".
 327         (t_last): Call t11_last.
 328         * testsuite/tls_test.h (t11, t11_last): Declare.
 329         * testsuite/tls_test_c.c: New file.
 330         * testsuite/tls_test_main.cc (thread_routine): Call t11.
 331         * configure.ac: Check for OpenMP support.
 332         * configure, config.in, Makefile.in: Rebuild.
 333         * testsuite/Makefile.in: Rebuild.
 334
 335 2008-04-16  Cary Coutant  <ccoutant@google.com>
 336
 337         * i386.cc (Target_i386::define_tls_base_symbol): New function.
 338         (Target_i386::tls_base_symbol_defined_): New field.
 339         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
 340         (Target_i386::Scan::global): Likewise.
 341         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
 342         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
 343         (Target_x86_64::tls_base_symbol_defined_): New field.
 344         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
 345         (Target_x86_64::Scan::global): Likewise.
 346
 347 2008-04-16  Cary Coutant  <ccoutant@google.com>
 348
 349         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
 350         (Symbol::needs_plt_entry): Allow weak undefined symbols.
 351         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
 352         building shared libraries.
 353         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
 354         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
 355         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
 356         * testsuite/Makefile.in: Rebuild.
 357         * testsuite/weak_undef.h: New file.
 358         * testsuite/weak_undef_file1.cc: Add extra test cases.
 359         * testsuite/weak_undef_file2.cc: Likewise.
 360         * testsuite/weak_undef_test.cc: Likewise.
 361
 362 2008-04-16  David S. Miller  <davem@davemloft.net>
 363
 364         * sparc.cc (Target_sparc::Scan): Change from struct to class.
 365         Add issued_non_pic_error_ field.  Declare check_non_pic.
 366         (Target_sparc::Scan::check_non_pic): New function.
 367         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
 368         (Target_sparc::Scan::global): Likewise.
 369
 370         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
 371         * configure: Rebuild.
 372
 373         * options.h (DEFINE_enable): New macro.
 374         (new_dtags): New enable option.
 375         (initfirst, interpose, loadfltr, nodefaultlib,
 376         nodelete, nodlopen, nodump): New -z options.
 377         * layout.cc (Layout:finish_dynamic_section): If new
 378         dtags enabled, emit DT_RUNPATH.  Also, emit a
 379         DT_FLAGS_1 containing any specified -z flags.
 380
 381 2008-04-16  Ian Lance Taylor  <iant@google.com>
 382
 383         * copy-relocs.cc: New file.
 384         * copy-relocs.h: New file.
 385         * reloc.cc: Remove Copy_relocs code.
 386         * reloc.h: Likewise.
 387         * reloc-types.h (struct Reloc_types) [both versions]: Add
 388         get_reloc_addend_noerror.
 389         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
 390         variants of add_global which take an addend which must be zero.
 391         * i386.cc: Include "copy-relocs.h".
 392         (class Target_i386): Change type of copy_relocs_ to variable,
 393         update initializer.
 394         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
 395         Change all callers.
 396         (Target_i386::do_finalize_sections): Change handling of
 397         copy_relocs_.
 398         * sparc.cc: Include "copy-relocs.h".
 399         (class Target_sparc): Change type of copy_relocs_ to variable,
 400         update initializer.
 401         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
 402         Change all callers.
 403         (Target_sparc::do_finalize_sections): Change handling of
 404         copy_relocs_.
 405         * x86_64.cc: Include "copy-relocs.h".
 406         (class Target_x86_64): Change type of copy_relocs_ to variable,
 407         update initializer.
 408         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
 409         class.  Change all callers.
 410         (Target_x86_64::do_finalize_sections): Change handling of
 411         copy_relocs_.
 412         * Makefile.am (CCFILES): Add copy-relocs.cc.
 413         (HFILES): Add copy-relocs.h.
 414
 415         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
 416
 417         * testsuite/script_test_4.sh: Permit leading zeroes.
 418
 419 2008-04-15  Ian Lance Taylor  <iant@google.com>
 420
 421         * script-sections.cc (Script_sections::create_segments): Use
 422         header_size_adjustment even when there is enough room for the
 423         headers.
 424         * testsuite/script_test_4.sh: New file.
 425         * testsuite/script_test_4.t: New file.
 426         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
 427         (check_DATA): Add script_test_4.stdout.
 428         (MOSTLYCLEANFILES): Likewise.
 429         (script_test_4): New target.
 430         (script_test_4.stdout): New target.
 431         * testsuite/Makefile.in: Rebuild.
 432
 433         * sparc.cc: Add definitions for Output_data_plt_sparc class
 434         constants.
 435
 436 2008-04-14  David S. Miller  <davem@davemloft.net>
 437
 438         * sparc.cc: New file.
 439         * Makefile.am (TARGETSOURCES): Add sparc.cc
 440         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
 441         * configure.tgt: Document targ_extra_size and
 442         targ_extra_big_endian.  Add entries for sparc-* and
 443         sparc64-*.
 444         * configure.ac: Handle targ_extra_size and
 445         targ_extra_big_endian.
 446         * Makefile.in: Rebuild.
 447         * configure: Likewise.
 448         * po/POTFILES.in: Likewise.
 449         * po/gold.pot: Likewise.
 450
 451 2008-04-14  Ian Lance Taylor  <iant@google.com>
 452
 453         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
 454         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
 455         in the name/type/flags to section mapping.  Don't call
 456         allocate_output_section.
 457         (Layout::choose_output_section): Change parameter from adjust_name
 458         to is_input_section.  Don't permit input sections after sections
 459         are attached to segments.  Don't call allocate_output_section.
 460         (Layout::layout_eh_frame): Call update_flags_for_input_section,
 461         not write_enable_output_section.
 462         (Layout::make_output_section): Don't push to
 463         unattached_section_list_ nor call attach_to_segment.  Call
 464         attach_section_to_segment if sections are attached.
 465         (Layout::attach_sections_to_segments): New function.
 466         (Layout::attach_section_to_segment): New function.
 467         (Layout::attach_allocated_section_to_segment): Rename from
 468         attach_to_segment.  Remove flags parameter.
 469         (Layout::allocate_output_section): Remove function.
 470         (Layout::write_enable_output_section): Remove function.
 471         * layout.h (class Layout): Update for above changes.  Add new
 472         field sections_are_attached_.
 473         * output.h (Output_section::update_flags_for_input_section): New
 474         function.
 475         * output.cc (Output_section::add_input_section): Call
 476         update_flags_for_input_section.
 477         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
 478
 479 2008-04-11  Cary Coutant  <ccoutant@google.com>
 480
 481         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
 482         thought unnecessary.
 483         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
 484
 485 2008-04-11  Ian Lance Taylor  <iant@google.com>
 486
 487         * output.h (class Output_section_data): Remove inline definition
 488         of set_addralign.
 489         * output.cc (Output_section_data::set_addralign): New function.
 490
 491 2008-04-11  Cary Coutant  <ccoutant@google.com>
 492
 493         Add support for TLS descriptors for i386 and x86_64.
 494         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
 495         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
 496         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
 497         GOT_TYPE_TLS_DESC.
 498         (Target_i386::got_mod_index_entry): Remove unnecessary code.
 499         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
 500         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
 501         relocations.
 502         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
 503         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
 504         Fix problem with initial-exec relocations.
 505         (Target_i386::Relocate::relocate_tls): Likewise.
 506         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
 507         relaxation.
 508         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
 509         support for section-plus-offset dynamic table entries.
 510         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
 511         (Output_data_dynamic::Dynamic_entry): Add support for
 512         section-plus-offset dynamic table entries.
 513         (Output_data_dynamic::Classification): Likewise.
 514         (Output_data_dynamic::classification_): Renamed offset_.
 515         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
 516         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
 517         (Target_x86_64::make_plt_section): New function.
 518         (Target_x86_64::reserve_tlsdesc_entries): New function.
 519         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
 520         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
 521         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
 522         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
 523         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
 524         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
 525         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
 526         add extra PLT entry for TLS descriptors.
 527         (Output_data_plt_x86_64::got_): New field.
 528         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
 529         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
 530         fields.
 531         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
 532         descriptors.
 533         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
 534         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
 535         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
 536         R_386_TLS_DESC_CALL relocations.
 537         (Target_x86_64::Scan::global): Likewise.
 538         (Target_x86_64::do_finalize_sections): Add dynamic table entries
 539         for TLS descriptors.
 540         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
 541         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
 542         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
 543         GD-to-IE relaxation.
 544         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
 545         and TLS_DESCRIPTORS.
 546         * Makefile.in: Rebuild.
 547         * configure: Rebuild.
 548         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
 549         (tls_test_shared2.so): New target.
 550         (tls_shared_gd_to_ie_test_SOURCES): New variable.
 551         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
 552         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
 553         (tls_shared_gd_to_ie_test_LDADD): New variable.
 554         (tls_shared_gnu2_gd_to_ie_test): New target.
 555         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
 556         New targets.
 557         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
 558         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
 559         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
 560         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
 561         (tls_shared_gnu2_test): New target.
 562         (tls_test_gnu2_shared.so): New target.
 563         (tls_shared_gnu2_test_SOURCES): New variable.
 564         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
 565         (tls_shared_gnu2_test_LDFLAGS): New variable.
 566         (tls_shared_gnu2_test_LDADD): New variable.
 567         * testsuite/Makefile.in: Rebuild.
 568         * testsuite/Makefile.
 569
 570 2008-04-11  Ian Lance Taylor  <iant@google.com>
 571
 572         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
 573         justsyms.t.
 574         * testsuite/Makefile.in: Rebuild.
 575
 576         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
 577         long.
 578         * testsuite/script_test_2.cc (main): Adjust test.
 579
 580 2008-04-11  David S. Miller  <davem@davemloft.net>
 581             Ian Lance Taylor  <iant@google.com>
 582
 583         * options.h (General_options): Add entries for '-Y' and
 584         '-relax'.
 585         * options.cc (General_options:finalize): If -Y was used, add those
 586         entries to the library path instead of the default "/lib" and
 587         "/usr/lib".
 588
 589 2008-04-11  David S. Miller  <davem@davemloft.net>
 590
 591         * testsuite/justsyms.t: Start at 0x100.
 592         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
 593         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
 594         long.
 595         * testsuite/script_test_2.cc: Adjust string and section length
 596         checks.
 597
 598 2008-04-09  Ian Lance Taylor  <iant@google.com>
 599
 600         PR gold/5996
 601         * script-sections.cc (Sections_element::allocate_to_segment): Add
 602         orphan parameter.
 603         (Output_section_definition::allocate_to_segment): Likewise.
 604         (Orphan_output_section::allocate_to_segment): Likewise.
 605         (Script_sections::attach_sections_using_phdrs_clause): Don't
 606         propagate non-PT_LOAD segments to orphan sections.
 607         * testsuite/Makefile.am (script_test_3.stdout): Generate using
 608         readelf rather than objdump.
 609         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
 610         .interp section and PT_INTERP segment are the same size.
 611         * testsuite/Makefile.in: Rebuild.
 612
 613         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
 614         aliases for symbols defined in the same object.
 615         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
 616         (weak_alias_test_SOURCES): New variable.
 617         (weak_alias_test_DEPENDENCIES): New variable.
 618         (weak_alias_test_LDFLAGS): New variable.
 619         (weak_alias_test_LDADD): New variable.
 620         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
 621         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
 622         (weak_alias_test_3.o): New target.
 623         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
 624         * testsuite/weak_alias_test_main.cc: New file.
 625         * testsuite/weak_alias_test_1.cc: New file.
 626         * testsuite/weak_alias_test_2.cc: New file.
 627         * testsuite/weak_alias_test_3.cc: New file.
 628
 629 2008-04-08  Ian Lance Taylor  <iant@google.com>
 630
 631         * options.h (class General_options): Add --noinhibit-exec option.
 632         * main.cc (main): Check --noinhibit-exec.
 633
 634         * options.h (class General_options): Define --wrap as a special
 635         option.  Add wrap_symbols_ field.
 636         (General_options::any_wrap_symbols): New function.
 637         (General_options::is_wrap_symbol): New function.
 638         * options.cc (General_options::parse_wrap): New function.
 639         (General_options::General_options): Initialize wrap_symbols_.
 640         * symtab.cc (Symbol_table::wrap_symbol): New function.
 641         (Symbol_table::add_from_object): Handle --wrap.
 642         * symtab.h (class Symbol_table): Declare wrap_symbol.
 643         * target.h (Target::wrap_char): New function.
 644         (Target::Target_info): Add wrap_char field.
 645         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
 646         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 647         * testsuite/testfile.cc (Target_test::test_target_info):
 648         Likewise.
 649
 650         * errors.cc (Errors::undefined_symbol): Mention symbol version if
 651         there is one.
 652
 653         * layout.h (class Layout): Add added_eh_frame_data_ field.
 654         * layout.cc (Layout::Layout): Initialize new field.
 655         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
 656         output section until we find a section we merged successfully.
 657         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
 658         that the size be non-zero.
 659
 660         * merge.cc (Object_merge_map::get_output_offset): Remove inline
 661         qualifier.
 662
 663 2008-04-08  Craig Silverstein  <csilvers@google.com>
 664
 665         * configure.ac: Export new conditional variable HAVE_ZLIB.
 666         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
 667         on HAVE_ZLIB.
 668         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
 669         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
 670
 671 2008-04-07  Ian Lance Taylor  <iant@google.com>
 672
 673         * version.cc (version_string): Set to "1.5".
 674
 675         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
 676         Add issued_non_pic_error_ field.  Declare check_non_pic.
 677         (Target_x86_64::Scan::check_non_pic): New function.
 678         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
 679         (Target_x86_64::Scan::global): Likewise.
 680
 681         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
 682         addend parameter.  Change caller.  Handle merge sections.
 683         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
 684         Address to Addend.  Don't add in the result of
 685         local_section_offset, pass down the addend and use the returned
 686         value.
 687         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
 688         Update declarations of local_section_offset and symbol_value.
 689         * testsuite/two_file_test_1.cc (t18): New function.
 690         * testsuite/two_file_test_2.cc (f18): New function.
 691         * testsuite/two_file_test_main.cc (main): Call t18.
 692         * testsuite/two_file_test.h (t18, f18): Declare.
 693
 694         * configure.ac: Don't test for objdump, c++filt, or readelf.
 695         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
 696         conditionals.
 697         (TEST_READELF): New variable.
 698         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
 699         (check_PROGRAMS): Add two_file_strip_test.
 700         (two_file_strip_test): New target.
 701         (check_PROGRAMS): Add two_file_same_shared_strip_test.
 702         (two_file_same_shared_strip_test_SOURCES): New variable.
 703         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
 704         (two_file_same_shared_strip_test_LDFLAGS): New variable.
 705         (two_file_same_shared_strip_test_LDADD): New variable.
 706         (two_file_shared_strip.so): New target.
 707         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
 708         (ver_test_5.syms, ver_test_7.syms): Likewise.
 709         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
 710         (strip_test_3.stdout): Use TEST_OBJDUMP.
 711         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
 712
 713 2008-04-04  Cary Coutant  <ccoutant@google.com>
 714
 715         * symtab.h (Symbol::is_weak_undefined): New function.
 716         (Symbol::is_strong_undefined): New function.
 717         (Symbol::is_absolute): New function.
 718         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
 719         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
 720         absolute symbols.
 721         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
 722         (weak_undef_test): New target.
 723         * testsuite/Makefile.in: Rebuild.
 724         * testsuite/weak_undef_file1.cc: New file.
 725         * testsuite/weak_undef_file2.cc: New file.
 726         * testsuite/weak_undef_test.cc: New file.
 727
 728 2008-04-03  Craig Silverstein  <csilvers@google.com>
 729
 730         * compressed_output.h (class Output_compressed_section): Use
 731         unsigned buffer.
 732         * compressed_output.cc (zlib_compress): Use unsigned buffers,
 733         add zlib header.
 734         (zlib_compressed_suffix): Removed.
 735         (Output_compressed_section::set_final_data_size): Use unsigned
 736         buffers.
 737         * testsuite/Makefile.am (flagstest_compress_debug_sections):
 738         Fix linker invocation.
 739         (flagstest_o_specialfile_and_compress_debug_sections):
 740         Likewise.
 741         * testsuite/Makefile.in: Regenerated.
 742
 743 2008-04-02  David S. Miller  <davem@davemloft.net>
 744
 745         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
 746         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
 747
 748 2008-04-02  Craig Silverstein  <csilvers@google.com>
 749
 750         * TODO: New file.
 751
 752 2008-04-02  Ian Lance Taylor  <iant@google.com>
 753
 754         * fileread.cc (File_read::find_view): Add byteshift and vshifted
 755         parameters.  Update for new key type to views_.  Change all
 756         callers.
 757         (File_read::read): Adjust for byteshift in returned view.
 758         (File_read::add_view): New function, broken out of
 759         find_and_make_view.
 760         (File_read::make_view): New function, broken out of
 761         find_and_make_view.
 762         (File_read::find_or_make_view): Add offset and aligned
 763         parameters.  Rewrite accordingly.  Change all callers.
 764         (File_read::get_view): Add offset and aligned parameters.  Adjust
 765         for byteshift in return value.
 766         (File_read::get_lasting_view): Likewise.
 767         * fileread.h (class File_read): Update declarations.
 768         (class File_read::View): Add byteshift_ field.  Add byteshift to
 769         constructor.  Add byteshift method.
 770         * archive.h (Archive::clear_uncached_views): New function.
 771         (Archive::get_view): Add aligned parameter.  Change all callers.
 772         * object.h (Object::get_view): Add aligned parameter.  Change all
 773         callers.
 774         (Object::get_lasting_view): Likewise.
 775
 776         * fileread.cc (File_read::release): Don't call clear_views if
 777         there are multiple objects.
 778         * fileread.h (File_read::clear_uncached_views): New function.
 779         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
 780         on the archive.
 781
 782 2008-03-31  Cary Coutant  <ccoutant@google.com>
 783
 784         Add thin archive support.
 785         * archive.cc (Archive::armagt): New const.
 786         (Archive::setup): Remove task parameter and calls to unlock.
 787         (Archive::unlock_nested_archives): New function.
 788         (Archive::read_header): Add nested_off parameter. Change
 789         all callers.
 790         (Archive::interpret_header): Likewise.
 791         (Archive::include_all_members): Change to handle thin
 792         archives.
 793         (Archive::include_member): Likewise.
 794         * archive.h (Archive::Archive): Add new parameters and
 795         initializers.
 796         (Archive::armagt): New const.
 797         (Archive::setup): Remove task parameter.
 798         (Archive::unlock_nested_archives): New function.
 799         (Archive::read_header): Add nested_off parameter.
 800         (Archive::interpret_header): Likewise.
 801         (Archive::Nested_archive_table): New typedef.
 802         (Archive::is_thin_archive_): New field.
 803         (Archive::nested_archives_): New field.
 804         (Archive::options_): New field.
 805         (Archive::dirpath_): New field.
 806         (Archive::task_): New field.
 807         * readsyms.cc (Read_symbols::do_read_symbols): Add check
 808         for thin archives.  Pass additional parameters to
 809         Archive::Archive.  Unlock the archive file after calling
 810         Archive::setup.
 811
 812 2008-03-29  Ian Lance Taylor  <iant@google.com>
 813
 814         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
 815         version symbol to be local.
 816         * testsuite/ver_test_4.sh: New file.
 817         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
 818         (check_DATA): Add ver_test_4.syms.
 819         (ver_test_4.syms): New target.
 820         * testsuite/Makefile.in: Rebuild.
 821
 822         * output.cc
 823         (Output_section::Input_section_sort_entry::has_priority): New
 824         function.
 825         (Output_section::Input_section_sort_entry::match_file_name): New
 826         function.
 827         (Output_section::Input_section_sort_entry::match_section_name):
 828         Remove.
 829         (Output_section::Input_section_sort_entry::match_section_name_prefix):
 830         Remove.
 831         (Output_section::Input_section_sort_entry::match_section_file):
 832         Remove.
 833         (Output_section::Input_section_sort_compare::operator()): Rewrite
 834         using new Input_section_sort_entry functions.  Sort crtbegin and
 835         crtend first.  Sort sections with no priority before sections with
 836         a priority.
 837         * testsuite/initpri1.c (d3): Check j != 4.
 838         (cd5): New constructor/destructor function.
 839         (main): Check j != 2.
 840
 841         * symtab.cc (Symbol_table::add_from_object): If we don't use the
 842         new symbol when resolving, don't call set_is_default.
 843         * testsuite/ver_test_7.cc: New file.
 844         * testsuite/ver_test_7.sh: New file.
 845         * testsuite/Makefile.am (ver_test_7.so): New target.
 846         (ver_test_7.o): New target.
 847         (check_SCRIPTS): Add ver_test_7.sh.
 848         (check_DATA): Add ver_test_7.syms.
 849         (ver_test_7.syms): New target.
 850
 851 2008-03-28  Ian Lance Taylor  <iant@google.com>
 852
 853         * layout.cc (Layout::layout): If we see an input section with a
 854         name that needs sorting, set the must_sort flag for the output
 855         section.
 856         (Layout::make_output_section): If the name of the output section
 857         indicates that it might require sorting, set the may_sort flag.
 858         * output.h (Output_section::may_sort_attached_input_sections): New
 859         function.
 860         (Output_section::set_may_sort_attached_input_sections): New
 861         function.
 862         (Output_section::must_sort_attached_input_sections): New
 863         function.
 864         (Output_section::set_must_sort_attached_input_sections): New
 865         function.
 866         (class Output_section): Declare Input_section_sort_entry.  Define
 867         Input_section_sort_compare.  Declare
 868         sort_attached_input_sections.  Add new fields:
 869         may_sort_attached_input_sections_,
 870         must_sort_attached_input_sections_,
 871         attached_input_sections_are_sorted_.
 872         * output.cc (Output_section::Output_section): Initialize new
 873         fields.
 874         (Output_section::add_input_section): Add an entry to
 875         input_sections_ if may_sort or must_sort are true.
 876         (Output_section::set_final_data_size): Call
 877         sort_attached_input_sections if necessary.
 878         (Output_section::Input_section_sort_entry): Define new class.
 879         (Output_section::Input_section_sort_compare::operator()): New
 880         function.
 881         (Output_section::sort_attached_input_sections): New function.
 882         * configure.ac: Check whether the compiler supports constructor
 883         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
 884         * testsuite/initpri1.c: New file.
 885         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
 886         CONSTRUCTOR_PRIORITY.
 887         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
 888         (initpri1_LDFLAGS): New variable.
 889         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
 890
 891 2008-03-27  Ian Lance Taylor  <iant@google.com>
 892
 893         * common.cc (Sort_commons::operator): Correct sorting algorithm.
 894         * testsuite/common_test_1.c: New file.
 895         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
 896         (common_test_1_SOURCES): New variable.
 897         (common_test_1_DEPENDENCIES): New variable.
 898         (common_test_1_LDFLAGS): New variable.
 899
 900         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
 901         and commons_ correctly when NAME/VERSION does not override
 902         NAME/NULL.
 903         * testsuite/ver_test_6.c: New file.
 904         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
 905         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
 906         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
 907
 908 2008-03-26  Ian Lance Taylor  <iant@google.com>
 909
 910         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
 911         of an undefined symbol from a version script.
 912         * testsuite/Makefile.am (ver_test_5.so): New target.
 913         (ver_test_5.o): New target.
 914         (check_SCRIPTS): Add ver_test_5.sh.
 915         (check_DATA): Add ver_test_5.syms.
 916         (ver_test_5.syms): New target.
 917         * testsuite/ver_test_5.cc: New file.
 918         * testsuite/ver_test_5.script: New file.
 919         * testsuite/ver_test_5.sh: New file.
 920         * Makefile.in, testsuite/Makefile.in: Rebuild.
 921
 922         PR gold/5986
 923         Fix problems building gold with gcc 4.3.0.
 924         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
 925         (gold_error_at_location, gold_warning_at_location): Use it.
 926         * configure.ac: Check whether we can compile and use a template
 927         function with a printf attribute.
 928         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
 929         when jumping over bytes.
 930         * object.cc: Instantiate Object::read_section_data.
 931         * debug.h: Include <cstring>
 932         * dwarf_reader.cc: Include <algorithm>
 933         * main.cc: Include <cstring>.
 934         * options.cc: Include <cstring>.
 935         * output.cc: Include <cstring>.
 936         * script.cc: Include <cstring>.
 937         * script.h: Include <string>.
 938         * symtab.cc: Include <cstring> and <algorithm>.
 939         * target-select.cc: Include <cstring>.
 940         * version.cc: Include <string>.
 941         * testsuite/testmain.cc: Include <cstdlib>.
 942         * configure, config.in: Rebuild.
 943
 944 2008-03-25  Ian Lance Taylor  <iant@google.com>
 945
 946         * options.cc: Include "../bfd/bfdver.h".
 947         (options::help): Print bug reporting address.
 948
 949         * version.cc (print_version): Adjust output for current value of
 950         BFD_VERSION_STRING.
 951
 952         * NEWS: New file.
 953
 954         * options.cc (options::help): Print list of supported targets.
 955         * target-select.h: Include <vector>.
 956         (class Target_selector): Make machine_, size_, and is_big_endian_
 957         fields const.  Add bfd_name_ and instantiated_target_ fields.
 958         (Target_selector::Target_selector): Add bfd_name parameter.
 959         (Target_selector::recognize): Make non-virtual, call
 960         do_recognize.
 961         (Target_selector::recognize_by_name): Make non-virtual, call
 962         do_recognize_by_name.
 963         (Target_selector::supported_names): New function.
 964         (Target_selector::bfd_name): New function.
 965         (Target_selector::do_instantiate_target): New pure virtual
 966         function.
 967         (Target_selector::do_recognize): New virtual function.
 968         (Target_selector::do_recognize_by_name): New virtual function.
 969         (Target_selector::instantiate_target): New private function.
 970         (supported_target_names): Declare.
 971         * target-select.cc (Target_selector::Target_selector): Update for
 972         new parameter and fields.
 973         (select_target_by_name): Check that the name matches before
 974         calling recognize_by_name.
 975         (supported_target_names): New function.
 976         * i386.cc (class Target_selector_i386): Update Target_selector
 977         constructor call.  Remove recognize and recognize_by_name.  Add
 978         do_instantiate_target.
 979         * x86_64.cc (class Target_selector_x86_64): Likewise.
 980         * testsuite/testfile.cc (class Target_selector_test): Update for
 981         changes to Target_selector.
 982
 983         * README: Rewrite, with some notes on unsupported features.
 984
 985 2008-03-24  Cary Coutant  <ccoutant@google.com>
 986
 987         * i386.cc (Target_i386::Got_type): New enum declaration.
 988         (Target_i386::Scan::local): Updated callers of Output_data_got
 989         member functions.
 990         (Target_i386::Scan::global): Likewise.
 991         (Target_i386::Relocate::relocate): Likewise.
 992         (Target_i386::Relocate::relocate_tls): Likewise.
 993         * object.h (Got_offset_list): New class.
 994         (Sized_relobj::local_has_got_offset): Added got_type parameter.
 995         (Sized_relobj::local_got_offset): Likewise.
 996         (Sized_relobj::set_local_got_offset): Likewise.
 997         (Sized_relobj::local_has_tls_got_offset): Removed.
 998         (Sized_relobj::local_tls_got_offset): Removed.
 999         (Sized_relobj::set_local_tls_got_offset): Removed.
1000         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
1001         * output.cc (Output_data_got::add_global): Added got_type parameter.
1002         (Output_data_got::add_global_with_rel): Likewise.
1003         (Output_data_got::add_global_with_rela): Likewise.
1004         (Output_data_got::add_global_pair_with_rel): New function.
1005         (Output_data_got::add_global_pair_with_rela): New function.
1006         (Output_data_got::add_local): Added got_type parameter.
1007         (Output_data_got::add_local_with_rel): Likewise.
1008         (Output_data_got::add_local_with_rela): Likewise.
1009         (Output_data_got::add_local_pair_with_rel): New function.
1010         (Output_data_got::add_local_pair_with_rela): New function.
1011         (Output_data_got::add_global_tls): Removed.
1012         (Output_data_got::add_global_tls_with_rel): Removed.
1013         (Output_data_got::add_global_tls_with_rela): Removed.
1014         (Output_data_got::add_local_tls): Removed.
1015         (Output_data_got::add_local_tls_with_rel): Removed.
1016         (Output_data_got::add_local_tls_with_rela): Removed.
1017         * output.h (Output_data_got::add_global): Added got_type parameter.
1018         (Output_data_got::add_global_with_rel): Likewise.
1019         (Output_data_got::add_global_with_rela): Likewise.
1020         (Output_data_got::add_global_pair_with_rel): New function.
1021         (Output_data_got::add_global_pair_with_rela): New function.
1022         (Output_data_got::add_local): Added got_type parameter.
1023         (Output_data_got::add_local_with_rel): Likewise.
1024         (Output_data_got::add_local_with_rela): Likewise.
1025         (Output_data_got::add_local_pair_with_rel): New function.
1026         (Output_data_got::add_local_pair_with_rela): New function.
1027         (Output_data_got::add_global_tls): Removed.
1028         (Output_data_got::add_global_tls_with_rel): Removed.
1029         (Output_data_got::add_global_tls_with_rela): Removed.
1030         (Output_data_got::add_local_tls): Removed.
1031         (Output_data_got::add_local_tls_with_rel): Removed.
1032         (Output_data_got::add_local_tls_with_rela): Removed.
1033         * resolve.cc (Symbol::override_base_with_special): Removed
1034         reference to has_got_offset_ field.
1035         * symtab.cc (Symbol::init_fields): Replaced initialization
1036         of got_offset_ with got_offsets_.  Removed initialization
1037         of has_got_offset_
1038         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
1039         (Symbol::got_offset): Likewise.
1040         (Symbol::set_got_offset): Likewise.
1041         (Symbol::has_tls_got_offset): Removed.
1042         (Symbol::tls_got_offset): Removed.
1043         (Symbol::set_tls_got_offset): Removed.
1044         (Symbol::got_offset_): Removed.
1045         (Symbol::tls_mod_got_offset_): Removed.
1046         (Symbol::tls_pair_got_offset_): Removed.
1047         (Symbol::got_offsets_): New field.
1048         (Symbol::has_got_offset): Removed.
1049         (Symbol::has_tls_mod_got_offset): Removed.
1050         (Symbol::has_tls_pair_got_offset): Removed.
1051         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
1052         (Target_x86_64::Scan::local): Updated callers of Output_data_got
1053         member functions.
1054         (Target_x86_64::Scan::global): Likewise.
1055         (Target_x86_64::Relocate::relocate): Likewise.
1056         (Target_x86_64::Relocate::relocate_tls): Likewise.
1057
1058 2008-03-25  Ben Elliston  <bje@au.ibm.com>
1059
1060         * yyscript.y: Fix spelling error in comment.
1061
1062 2008-03-24  Ian Lance Taylor  <iant@google.com>
1063
1064         * options.h (class General_options): Define build_id option.
1065         * layout.h (class Layout): Declare write_build_id, create_note,
1066         create_build_id.  Add build_id_note_ member.
1067         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
1068         "libiberty.h", "md5.h", "sha1.h".
1069         (Layout::Layout): Initialize eh_frame_data_,
1070         eh_frame_hdr_section_, and build_id_note_.
1071         (Layout::finalize): Call create_build_id.
1072         (Layout::create_note): New function, broken out of
1073         Layout::create_gold_note.
1074         (Layout::create_gold_note): Call create_note.
1075         (Layout::create_build_id): New function.
1076         (Layout::write_build_id): New function.
1077         (Close_task_runner::run): Call write_build_id.
1078
1079         * x86_64.cc: Correct license to GPLv3.
1080
1081 2008-03-23  Ian Lance Taylor  <iant@google.com>
1082
1083         * options.cc: Include "demangle.h".
1084         (parse_optional_string): New function.
1085         (parse_long_option): Handle takes_optional_argument.
1086         (parse_short_option): Update dash_z initializer.  Handle
1087         takes_optional_argument.
1088         (General_options::General_options): Initialize do_demangle_.
1089         (General_options::finalize): Set do_demangle_.  Handle demangling
1090         style.
1091         * options.h (parse_optional_string): Declare.
1092         (struct One_option): Add optional_arg field.  Update constructor.
1093         Update call constructor calls.  Add takes_optional_argument
1094         function.
1095         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
1096         (DEFINE_optional_string): Define.
1097         (General_options::demangle): Change from DEFINE_bool to
1098         DEFINE_optional_string.
1099         (General_options::no_demangle): New function.
1100         (General_options::do_demangle): New function.
1101         (General_options::set_do_demangle): New function.
1102         (General_options::execstack_status_): Move definition to end of
1103         class definition.
1104         (General_options::static_): Likewise.
1105         (General_options::do_demangle_): New field.
1106         * object.cc (big_endian>::get_symbol_location_info): Call
1107         Options::do_demangle, not Options::demangle.
1108         * symtab.cc (demangle): Likewise.
1109
1110 2008-03-22  Ian Lance Taylor  <iant@google.com>
1111
1112         * gold.h: Include <cstddef> and <sys/types.h>
1113         * options.h: Include <cstring>.
1114
1115 2008-03-21  Ian Lance Taylor  <iant@google.com>
1116
1117         * Added source code to GNU binutils.
1118