gold/ChangeLog

   1 2010-06-29  Doug Kwan  <dougkwan@google.com>
   2
   3         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
   4         Initialize USE_SYMBOL_.
   5         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
   6         definition.
   7         (Arm_reloc_property::uses_symbol_): New data member declaration.
   8         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
   9         uses symbol value and symbol is undefined but not weakly undefined.
  10
  11 2010-06-28  Rafael Espindola  <espindola@google.com>
  12
  13         * plugin.cc (Plugin::load): Use dlerror.
  14
  15 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
  16
  17         * symtab.cc (detect_odr_violations): When reporting an ODR
  18         violation, report an object where the symbol is defined.
  19
  20 2010-06-25  Doug Kwan  <dougkwan@google.com>
  21
  22         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
  23         (Target_arm::section_may_have_icf_unsafe_pointers): New method
  24         definition.
  25         (Target_arm::Scan::local_reloc_may_be_function_pointer,
  26         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
  27         target hook to detect function points.
  28         (Target_arm::Scan::possible_function_pointer_reloc): New method.
  29         * icf.h (Icf::check_section_for_function_pointers): Change type of
  30         parameter SECTION_NAME to const reference to std::string.  Use
  31         target hook to determine if section may have unsafe pointers.
  32         * target.h (Target::section_may_have_icf_unsafe_pointers): New
  33         method definition.
  34
  35 2010-06-21  Rafael Espindola  <espindola@google.com>
  36
  37         * fileread.cc (Input_file::find_fie): New
  38         (Input_file::open): Use Input_file::find_fie.
  39         * fileread.h (Input_file::find_fie): New
  40         * plugin.cc (set_extra_library_path): New.
  41         (Plugin::load): Add set_extra_library_path to the transfer vector.
  42         (Plugin_manager::set_extra_library_path): New.
  43         (Plugin_manager::add_input_file): Use the extra search path if set.
  44         (set_extra_library_path(): New.
  45         * plugin.h (Plugin_manager): Add set_extra_library_path and
  46         extra_search_path_.
  47
  48 2010-06-19  Cary Coutant  <ccoutant@google.com>
  49
  50         * layout.cc (gdb_sections): Add .debug_types.
  51         (lines_only_debug_sections): Likewise.
  52
  53 2010-06-18  Rafael Espindola  <espindola@google.com>
  54
  55         * plugin.cc (add_input_file,add_input_library)
  56         (Plugin_manager::add_input_file): Make filename arguments const.
  57         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
  58         const.
  59
  60 2010-06-16  Doug Kwan  <dougkwan@google.com>
  61
  62         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
  63         .ARM.attributes section if we have not merged any input
  64         attributes sections.
  65
  66 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  67
  68         * arm.cc: Allow combining objects with no EABI version
  69         information.
  70
  71 2010-06-15  Rafael Espindola  <espindola@google.com>
  72
  73         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
  74
  75 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  76
  77         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
  78         (struct iovec): Correct !HAVE_READV definition.
  79
  80 2010-06-10  Cary Coutant  <ccoutant@google.com>
  81
  82         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
  83         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
  84         reloc sections.
  85         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
  86
  87         PR 11683
  88         * symtab.h (Symbol::is_placeholder): New member function.
  89         * target-reloc.h (relocate_section): Check for placeholder symbols.
  90
  91         * testsuite/Makefile.am (plugin_test_8): New test.
  92         (plugin_test_9): New test.
  93         * testsuite/Makefile.in: Regenerate.
  94
  95 2010-06-09  Nick Clifton  <nickc@redhat.com>
  96
  97         * yyscript.y (input_list_element): Allow strings prefixed with
  98         the '-' character.  Treat these as libraries.
  99         * script.cc (script_add_library): New function.  Adds a library
 100         specified by "-l<name>" found in an input script.
 101         * script-c.h: Add prototype for script_add_library.
 102
 103 2010-06-07  Doug Kwan  <dougkwan@google.com>
 104
 105         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
 106         Restrict stub-group size to be within long conditional branch
 107         range when working around cortex-A8 erratum.
 108
 109 2010-06-07  Damien Diederen  <dd@crosstwine.com>
 110
 111         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
 112         #ifdef typo.
 113
 114 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
 115
 116         PR gold/11658
 117         * output.cc
 118         (Output_section::Input_section_sort_entry::compare_section_ordering):
 119         Change to return non-zero correctly.
 120         (Output_section::Input_section_sort_section_order_index_compare
 121         ::operator()): Change to fix ambiguity in comparisons.
 122
 123 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
 124
 125         * gold.h (is_wildcard_string): New function.
 126         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
 127         (Layout::layout_eh_frame): Ditto.
 128         (Layout::find_section_order_index): New method.
 129         (Layout::read_layout_from_file): New method.
 130         * layout.h (Layout::find_section_order_index): New method.
 131         (Layout::read_layout_from_file): New method.
 132         (Layout::input_section_position_): New private member.
 133         (Layout::input_section_glob_): New private member.
 134         * main.cc (main): Call read_layout_from_file here.
 135         * options.h (--section-ordering-file): New option.
 136         * output.cc (Output_section::input_section_order_specified_): New
 137         member.
 138         (Output_section::Output_section): Initialize new member.
 139         (Output_section::add_input_section): Add new parameter.
 140         Keep input sections when --section-ordering-file is used.
 141         (Output_section::set_final_data_size): Sort input sections when
 142         section ordering file is specified.
 143         (Output_section::Input_section_sort_entry): Add new parameter.
 144         Check sorting type.
 145         (Output_section::Input_section_sort_entry::compare_section_ordering):
 146         New method.
 147         (Output_section::Input_section_sort_compare::operator()): Change to
 148         consider section_order_index.
 149         (Output_section::Input_section_sort_init_fini_compare::operator()):
 150         Change to consider section_order_index.
 151         (Output_section::Input_section_sort_section_order_index_compare
 152         ::operator()): New method.
 153         (Output_section::sort_attached_input_sections): Change to sort
 154         according to section order when specified.
 155         (Output_section::add_input_section<32, true>): Add new parameter.
 156         (Output_section::add_input_section<64, true>): Add new parameter.
 157         (Output_section::add_input_section<32, false>): Add new parameter.
 158         (Output_section::add_input_section<64, false>): Add new parameter.
 159         * output.h (Output_section::add_input_section): Add new parameter.
 160         (Output_section::input_section_order_specified): New
 161         method.
 162         (Output_section::set_input_section_order_specified): New method.
 163         (Input_section::Input_section): Initialize section_order_index_.
 164         (Input_section::section_order_index): New method.
 165         (Input_section::set_section_order_index): New method.
 166         (Input_section::section_order_index_): New member.
 167         (Input_section::Input_section_sort_section_order_index_compare): New
 168         struct.
 169         (Output_section::input_section_order_specified_): New member.
 170         * script-sections.cc (is_wildcard_string): Delete and move modified
 171         method to gold.h.
 172         (Output_section_element_input::Output_section_element_input): Modify
 173         call to is_wildcard_string.
 174         (Output_section_element_input::Input_section_pattern
 175         ::Input_section_pattern): Ditto.
 176         (Output_section_element_input::Output_section_element_input): Ditto.
 177         * testsuite/Makefile.am (final_layout): New test case.
 178         * testsuite/Makefile.in: Regenerate.
 179         * testsuite/final_layout.cc: New file.
 180         * testsuite/final_layout.sh: New file.
 181
 182 2010-06-01  Rafael Espindola  <espindola@google.com>
 183
 184         * plugin.cc (Plugin::load): Pass the output name to the plugin.
 185
 186 2010-06-01  Rafael Espindola  <espindola@google.com>
 187
 188         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
 189         visibility of symbols.
 190
 191 2010-05-27  Doug Kwan  <dougkwan@google.com>
 192
 193         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
 194         from start of output section instead of address for a local symbol
 195         in a merged or relaxed section when doing a relocatable link.
 196
 197 2010-05-26  Rafael Espindola  <espindola@google.com>
 198
 199        PR 11604
 200         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
 201         adding sections the garbage collector removed.
 202         * gold/testsuite/Makefile.am: Add test.
 203         * gold/testsuite/Makefile.in: Regenerate.
 204         * gold/testsuite/plugin_test_7.sh: New.
 205         * gold/testsuite/plugin_test_7_1.c: New.
 206         * gold/testsuite/plugin_test_7_2.c: New.
 207
 208 2010-05-26  Rafael Espindola  <espindola@google.com>
 209
 210         * script-sections.cc (Output_section_definition::set_section_addresses):
 211         Check for --section-start.
 212
 213 2010-05-26  Doug Kwan  <dougkwan@google.com>
 214
 215         * arm.cc (Arm_scan_relocatable_relocs): New class.
 216         (Target_arm::relocate_special_relocatable): New method.
 217         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
 218         (Arm_relocate_functions::thumb_branch_common): Same.
 219         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
 220         instead of Default_scan_relocatable_relocs.
 221         * target-reloc.h (relocate_for_relocatable): Let target handle
 222         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
 223         * target.h (Sized_target::relocate_special_relocatable): New method.
 224
 225 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 226
 227         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
 228
 229 2010-05-23  Doug Kwan  <dougkwan@google.com>
 230
 231         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
 232         instead of a cast.
 233         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
 234         with a direct branch, not a conditional branch, to a stub.
 235         * merge.cc (Output_merge_base::record_input_section): New method
 236         defintion.
 237         (Output_merge_data::do_add_input_section): Record input section if
 238         keeps-input-sections flag is set.
 239         (Output_merge_string::do_add_input_section): Ditto.
 240         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
 241         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
 242         INPUT_SECTIONS_.
 243         (Output_merge_base::keeps_input_sections,
 244         Output_merge_base::set_keeps_input_sections,
 245         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
 246         method definitions.
 247         (Output_merge_base::Input_sections): New type declaration.
 248         (Output_merge_base::input_sections_begin,
 249         Output_merge_base::input_sections_end,
 250         Output_merge_base::do_set_keeps_input_sections): New method definitions.
 251         (Output_merge_base::bool keeps_input_sections_,
 252         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
 253         Output_merge_base::input_sections_): New data members.
 254         (Output_merge_data::do_set_keeps_input_sections): New method
 255         defintion.
 256         (Output_merge_string::do_set_keeps_input_sections): Ditto.
 257         * output.cc (Output_section::Input_section::relobj): Move method
 258         defintion from class declaration to here and handle merge sections.
 259         (Output_section::Input_section::shndx): Ditto.
 260         (Output_section::Output_section): Remove initializations of removed
 261         data members and initialize new data member LOOKUP_MAPS_.
 262         (Output_section::add_input_section): Set keeps-input-sections flag
 263         for a newly created merge output section as appropriate.  Adjust code
 264         to use Output_section_lookup_maps class.
 265         (Output_section::add_relaxed_input_section): Adjst code for lookup
 266         maps code refactoring.
 267         (Output_section::add_merge_input_section): Add a new parameter
 268         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
 269         class.  If adding input section to a newly created merge output
 270         section fails, remove the new merge section.
 271         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
 272         Adjust code for use of the Output_section_lookup_maps class.
 273         (Output_section::find_merge_section): Ditto.
 274         (Output_section::build_lookup_maps): New method defintion.
 275         (Output_section::find_relaxed_input_section): Adjust code to use
 276         Output_section_lookup_maps class.
 277         (Output_section::get_input_sections): Export merge sections.  Adjust
 278         code to use Output_section_lookup_maps class.
 279         (Output_section:::add_script_input_section): Adjust code to use
 280         Output_section_lookup_maps class.  Update lookup maps for merge
 281         sections also.
 282         (Output_section::discard_states): Use Output_section_lookup_maps.
 283         (Output_section::restore_states): Same.
 284         * output.h (Merge_section_properties): Move class defintion out of
 285         Output_section.
 286         (Output_section_lookup_maps): New class.
 287         (Output_section::Input_section::is_merge_section): New method
 288         defintion.
 289         (Output_section::Input_section::relobj): Move defintion out of class
 290         defintion.  Declare method only.
 291         (Output_section::Input_section::shndx): Ditto.
 292         (Output_section::Input_section::output_merge_base): New method defintion.
 293         (Output_section::Input_section::u2_.pomb): New union field.
 294         (Output_section::Merge_section_by_properties_map,
 295         Output_section::Output_section_data_by_input_section_map,
 296         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
 297         Remove types.
 298         (Output_section::add_merge_input_section): Add new parameter
 299         KEEPS_INPUT_SECTIONS.
 300         (Output_section::build_lookup_maps): New method declaration.
 301         (Output_section::merge_section_map_,
 302         Output_section::merge_section_by_properties_map_,
 303         Output_section::relaxed_input_section_map_,
 304         Output_section::is_relaxed_input_section_map_valid_): Remove data
 305         members.
 306         (Output_section::lookup_maps_): New data member.
 307
 308 2010-05-21  Doug Kwan  <dougkwan@google.com>
 309
 310         PR gold/11619
 311         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
 312         avoid a compilation error.
 313
 314 2010-05-19  Rafael Espindola  <espindola@google.com>
 315
 316         * script-sections.cc (Output_section_definition::allocate_to_segment):
 317         Update the phdrs_list even when the output section is NULL.
 318         * testsuite/Makefile.am: Add test.
 319         * testsuite/Makefile.in: Regenerate.
 320         * testsuite/script_test_9.cc: New.
 321         * testsuite/script_test_9.sh: New.
 322         * testsuite/script_test_9.t: New.
 323
 324 2010-05-19  Doug Kwan  <dougkwan@google.com>
 325
 326         * arm.cc (Arm_input_section::original_size): New method.
 327         (Arm_input_section::do_addralign): Add a cast.
 328         (Arm_input_section::do_output_offset): Remove static cast.
 329         (Arm_input_section::original_addralign,
 330          Arm_input_section::original_size_): Change type to uint32_t.
 331         (Arm_input_section::init): Add safe casts for section alignment
 332         and size.
 333         (Arm_input_section::set_final_data_size): Do not set address and
 334         offset of stub table.
 335         (Arm_output_section::fix_exidx_coverage): Change use of of
 336         Output_section::Simple_input_section to that of
 337         Output_section::Input_section.
 338         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
 339         except for the first pass.
 340         * output.cc (Output_section::get_input_sections): Change type of
 341         input_sections to std::list<Input_section>.
 342         (Output_section::add_script_input_section): Rename from
 343         Output_section::add_simple_input_section.  Change type of SIS
 344         parameter from Simple_input_section to Input_section.
 345         * output.h (Output_section::Simple_input_section): Remove class.
 346         (Output_section::Input_section): Change class visibility to public.
 347         (Output_section::Input_section::addralign): Use stored alignments
 348         for special input sections if set.
 349         (Output_section::Input_section::set_addralign): New method.
 350         (Output_section::get_input_sections): Change parameter type from
 351         list of Simple_input_section to list of Input_section.
 352         (Output_section::add_script_input_section): Rename from
 353         Output_section::add_simple_input_section. Change first parameter's
 354         type from Simple_input_section to Input_section and remove the
 355         second and third parameters.
 356         * script-sections.cc (Input_section::Input_section_list): Change
 357         type to list of Output_section::Input_section/
 358         (Input_section_info::Input_section_info): Change parameter type of
 359         INPUT_SECTION to Output_section::Input_section.
 360         (Input_section_info::input_section): Change return type.
 361         (Input_section_info::input_section_): Change type to
 362         Output_section::Input_section.
 363         (Output_section_element_input::set_section_addresses): Adjust code
 364         to use Output_section::Input_section instead of
 365         Output_section::Simple_input_section.  Adjust code for renaming
 366         of Output_section::add_simple_input_section.
 367         (Orphan_output_section::set_section_addresses): Ditto.
 368
 369 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 370
 371         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
 372         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
 373
 374 2010-05-18  Rafael Espindola  <espindola@google.com>
 375
 376         * options.cc (General_options::finalize): Handle -nostdlib.
 377         * options.h (nostdlib): New option.
 378         * script.cc (script_add_search_dir): Handle -nostdlib.
 379
 380 2010-05-12  Doug Kwan  <dougkwan@google.com>
 381
 382         * arm.cc (Target_arm::do_finalize_sections): Create an empty
 383         attributes section only if there no attributes section after merging.
 384         (Target_arm::merge_object_attributes): Move value of
 385         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
 386         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
 387         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
 388         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
 389         and arm_attr_merge_7.stdout.
 390         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
 391         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
 392         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
 393         arm_attr_merge_7b.o): New rules.
 394         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
 395         arm_attr_merge_7
 396         * testsuite/Makefile.in: Regenerate.
 397         * testsuite/arm_attr_merge.sh: New file.
 398         * testsuite/arm_attr_merge_[67][ab].s: Same.
 399
 400 2010-05-05  Nick Clifton  <nickc@redhat.com>
 401
 402         * po/es.po: Updated Spanish translation.
 403
 404 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
 405
 406         * Makefile.am (install-exec-local): Properly install gold as
 407         default cross linker.
 408         * Makefile.in: Regenerated.
 409
 410 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
 411             Nick Clifton  <nickc@redhat.com>
 412
 413         * configure.ac (install_as_default): Define and set to false
 414         unless --enable-gold or --enable-gold=both/gold has been
 415         specified.
 416         * configure: Regenerate.
 417
 418         * Makefile.am (install-exec-local): Install the executable as
 419         'ld.gold'.  If install_as_default is true then also install it as
 420         'ld'.
 421         * Makefile.in: Regenerated.
 422
 423 2010-04-24  Ian Lance Taylor  <iant@google.com>
 424
 425         * layout.cc (Layout::layout_reloc): In relocatable link don't
 426         combine reloc sections for grouped sections.
 427
 428 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
 429
 430         * gc.h (gc_process_relocs): Pass information on relocs pointing to
 431         sections that are not ordinary to icf.
 432         * icf.cc (get_section_contents): Handle relocation pointing to section
 433         with no object or shndx information.
 434         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
 435         * testsuite/Makefile.in: Regenerate.
 436         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
 437         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
 438
 439 2010-04-22  Ian Lance Taylor  <iant@google.com>
 440
 441         * expression.cc (Expression::Expression_eval_info): Add
 442         result_alignment_pointer field.
 443         (Expression::eval_with_dot): Add result_alignment_pointer
 444         parameter.  Change all callers.
 445         (Expression::eval_maybe_dot): Likewise.
 446         (class Binary_expression): Add alignment_pointer parameter to
 447         left_value and right_value.  Change all callers.
 448         (BINARY_EXPRESSION): Set result alignment.
 449         (class Trinary_expression): Add alignment_pointer parameter to
 450         arg2_value and arg3_value.  Change all callers.
 451         (Trinary_cond::value): Set result alignment.
 452         (Max_expression::value, Min_expression::value): Likewise.
 453         (Align_expression::value): Likewise.
 454         * script-sections.cc (class Sections_element): Add dot_alignment
 455         parameter to set_section_addresses virtual function.  Update
 456         instantiations.
 457         (class Output_section_element): Likewise.
 458         (Script_sections::create_segments): Add dot_alignment parameter.
 459         Change all callers.
 460         (Script_sections::create_segments_from_phdrs_clause): Likewise.
 461         (Script_sections::set_phdrs_clause_addresses): Likewise.
 462         * script-sections.h: Update declarations.
 463         * script.h: Update declarations.
 464         * output.h (Output_segment::set_minimum_p_align): Don't decrease
 465         min_p_align.
 466         * testsuite/script_test_3.t: Set large alignment.
 467         * testsuite/script_test_3.sh: Make sure that at least one LOAD
 468         segment has expected alignment.
 469
 470 2010-04-22  Nick Clifton  <nickc@redhat.com>
 471
 472         * po/gold.pot: Updated by the Translation project.
 473         * po/vi.po: Updated Vietnamese translation.
 474
 475 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
 476
 477         * testsuite/Makefile.am (check_PROGRAMS): Add
 478         icf_virtual_function_folding_test.
 479         * testsuite/Makefile.in: Regenerated.
 480
 481 2010-04-15  Andrew Haley  <aph@redhat.com>
 482
 483         * options.h (merge_exidx_entries): New option.
 484         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
 485         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
 486         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
 487         (Target_arm::merge_exidx_entries): New function.
 488         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
 489         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
 490         to Arm_exidx_fixup constructor.
 491         Add new arg, merge_exidx_entries.
 492         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
 493         Arm_output_section::fix_exidx_coverage.
 494
 495 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
 496
 497         * icf.cc (get_section_contents): Check for preemptible functions.
 498         Ignore addend when appropriate.
 499         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
 500         section folded.
 501         (add_from_relobj): Check for section folded.
 502         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
 503         * symtab.h (should_add_dynsym_entry): Add new parameter.
 504         * target-reloc.h (scan_relocs): Check for section folded.
 505         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
 506         Check reloc types for function pointers in shared objects.
 507         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
 508         case.
 509         (icf_preemptible_functions_test): New test case.
 510         (icf_string_merge_test): New test case.
 511         * testsuite.Makefile.in: Regenerate.
 512         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
 513         bar_glob.  Refactor code.
 514         * testsuite/icf_preemptible_functions_test.cc: New file.
 515         * testsuite/icf_preemptible_functions_test.sh: New file.
 516         * testsuite/icf_string_merge_test.cc: New file.
 517         * testsuite/icf_string_merge_test.sh: New file.
 518         * testsuite/icf_virtual_function_folding_test.cc: New file.
 519         * testsuite/icf_virtual_function_folding_test.sh: New file.
 520
 521 2010-04-14  Doug Kwan  <dougkwan@google.com>
 522
 523         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
 524         for local symbol recounting if we remove a section due to ICF.
 525         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
 526         there are no regular objects in input.
 527
 528 2010-04-13  Doug Kwan  <dougkwan@google.com>
 529
 530         * arm.cc (Arm_input_section::set_final_data_size): Compute
 531         accurate final data size instead of using current data size.
 532
 533 2010-04-09  Doug Kwan  <dougkwan@google.com>
 534
 535         * layout.cc (Layout::choose_output_section): Handle script section
 536         types.
 537         (Layout::make_output_section_for_script): Add section type parameter.
 538         Handle script section types.
 539         * layout.h (Layout::make_output_section_for_script): Add section
 540         type parameter.
 541         * output.cc (Output_section::Output_section): Initialize data member
 542         is_noload_.
 543         (Output_section::do_reset_address_and_file_offset): Do not set address
 544         to 0 if section is a NOLOAD section.
 545         * output.h (Output_section::is_noload): New method.
 546         (Output_section::set_is_noload): Ditto.
 547         (Output_section::is_noload_): New data member.
 548         * script-c.h (Script_section_type): New enum type.
 549         (struct Parser_output_section_header): Add new file section_type.
 550         * script-sections.cc (Sections_element::output_section_name): Add
 551         parameter for returning script section type.
 552         (Output_section_definition::output_section_name): Ditto.
 553         (Output_section_definition::section_type)P; New method.
 554         (Output_section_definiton::script_section_type_name): Ditto.
 555         (Output_section_definition::script_section_type_): New data member.
 556         (Output_section_definition::Output_section_definition): Initialize
 557         data member Output_section_definition::script_section_type_.
 558         (Output_section_definition::create_sections): Pass script section type
 559         to Layout::make_output_section_for_script.
 560         (Output_section_definition::output_section_name): Return script
 561         section type to caller.
 562         (Output_section_definition::set_section_address): Do not advance
 563         dot value and load address if section type is NOLOAD.  Set address
 564         of NOLOAD sections regardless of section flags.
 565         (Output_section_definition::print): Print section type if it is
 566         not SCRIPT_SECTION_TYPE_NONE.
 567         (Output_section_definition::section_type): New method.
 568         (Output_section_definition::script_section_type_name): Ditto.
 569         (Script_sections::output_section_name): Add new parameter
 570         PSECTION_TYPE for returning script section type.  Pass it to
 571         section elements.  Handle discard sections.
 572         (Sort_output_sections::operator()): Handle NOLOAD sections.
 573         * script-sections.h (Script_sections::Section_type): New enum type.
 574         (Script_sections::output_section_name): Add a new parameter for
 575         returning script section type.
 576         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
 577         INFO and NOLOAD.
 578         * yyscript.y (union): Add new field SECTION_TYPE.
 579         (COPY, DSECT, INFO, NOLOAD): New tokens.
 580         (opt_address_and_section_type): Change type to output_section_header.
 581         (section_type): New non-terminal
 582         (section_header): Handle section type.
 583         (opt_address_and_section_type): Return section type value.
 584
 585 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
 586
 587         * testsuite/plugin_common_test_1.c (foo): Add prototype.
 588         * testsuite/plugin_common_test_2.c (foo): Likewise.
 589
 590 2010-04-08  Doug Kwan  <dougkwan@google.com>
 591
 592         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
 593         Output_merge_data.
 594         * output.cc (Output_section::add_merge_input_section): Simplify
 595         code and return status of Output_merge_base::add_input_section.
 596         Update merge section map only if Output_merge_base::add_input_section
 597         returns true.
 598
 599 2010-04-07  Doug Kwan  <dougkwan@google.com>
 600
 601         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
 602         if section is marked as containing instructions but has no mapping
 603         symbols.
 604         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
 605         correct section index.
 606         (Arm_relobj::find_linked_text_section): Ditto.
 607
 608 2010-04-07  Cary Coutant  <ccoutant@google.com>
 609
 610         * archive.cc (include_member): Destroy Read_symbols_data object before
 611         releasing file.
 612         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
 613         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
 614         (Read_symbols_data::~Read_symbols_data) New destructor.
 615         (Section_relocs::Section_relocs) New constructor.
 616         (Section_relocs::~Section_relocs) New destructor.
 617         (Read_relocs_data::Read_relocs_data) New constructor.
 618         (Read_relocs_data::~Read_relocs_data) New destructor.
 619         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
 620         pointers to NULL after deleting.
 621
 622 2010-04-07  Doug Kwan  <dougkwan@google.com>
 623
 624         * arm.cc: Replace "endianity" with "endianness" in comments.
 625         (Arm_exidx_cantunwind): Ditto.
 626         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
 627         (Arm_relobj::merge_flags_and_attributes): New method.
 628         (Arm_relobj::merge_flags_and_attributes_): New data member.
 629         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
 630         (Arm_relobj::scan_sections_for_stubs): Ditto.
 631         (Arm_relobj::do_read_symbols): Check to see if we really want to
 632         merge processor-specific flags and attributes.  Exit early if
 633         an object is empty except for section names and the undefined symbol.
 634         (Target_arm::do_finalize_sections): Move check for ELF format to
 635         Arm_relobj::do_read_symbols.  Merge processor specific flags and
 636         attributes from a regular object only when we have determined that
 637         it is aapropriate.  Do not create an .ARM.attributes section in
 638         output if there is no regular input object.
 639         (Target_arm::merge_processor_specific_flags): Check
 640         --warn-mismatch before printing any error.
 641         (Target_arm::merge_object_attributes): Ditto.
 642         * gold.cc (queue_middle_tasks): Handle the case in which there is
 643         no regular object in input.
 644         * options.cc (General_options::parse_EB): New method.
 645         (General_options::parse_EL): Same.
 646         (General_options::General_options): Initialize endianness_.
 647         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
 648         New options.
 649         (General_options::Endianness): New enum.
 650         (General_options::endianness): New method.
 651         (General_options::endianness_): New data member.
 652         * parameters.cc (Parameters::set_options): Check target endianness.
 653         (Parameters::set_target_once): Ditto.
 654         (Parameters::check_target_endianness): New method.
 655         (parameters_force_valid_target): If either -EL or -EB is specified,
 656         use it to define endianness of default target.
 657         * parameters.h (Parameters::check_target_endianness): New method
 658         declaration.
 659         * target.h (class Target): Change "endianity" to "endianness"
 660         in comments.
 661
 662 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 663
 664         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
 665         * configure: Regenerate.
 666         * Makefile.in: Regenerate.
 667         * testsuite/Makefile.in: Regenerate.
 668
 669 2010-04-06  Cary Coutant  <ccoutant@google.com>
 670
 671         gcc PR lto/42757
 672         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
 673         prevailing definitions of common symbols.
 674         * testsuite/plugin_test_6.sh: New test case.
 675         * testsuite/plugin_common_test_1.c: New test case.
 676         * testsuite/plugin_common_test_2.c: New test case.
 677         * testsuite/Makefile.am (plugin_test_6): New test case.
 678         * testsuite/Makefile.in: Regenerate.
 679
 680 2010-04-06  Nick Clifton  <nickc@redhat.com>
 681
 682         * po/vi.po: New Vietnamese translation.
 683
 684 2010-03-30  Doug Kwan  <dougkwan@google.com>
 685
 686         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
 687
 688 2010-03-25  Doug Kwan  <dougkwan@google.com>
 689
 690         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
 691         to avoid a conversion warning on a 32-bit host.
 692
 693 2010-03-24  Ian Lance Taylor  <iant@google.com>
 694
 695         * testsuite/script_test_3.t: Add a TLS segment.
 696         * testsuite/Makefile.am (check_PROGRAMS): Add
 697         tls_phdrs_script_test.
 698         (tls_phdrs_script_test_SOURCES): Define.
 699         (tls_phdrs_script_test_DEPENDENCIES): Define.
 700         (tls_phdrs_script_test_LDFLAGS): Define.
 701         (tls_phdrs_script_test_LDADD): Define.
 702         * testsuite/Makefile.in: Rebuild.
 703
 704 2010-03-23  Cary Coutant  <ccoutant@google.com>
 705
 706         * fileread.cc (find_or_make_view): Fix comment.
 707
 708 2010-03-23  Ian Lance Taylor  <iant@google.com>
 709
 710         * script-sections.cc (class Orphan_section_placement): Define
 711         PLACE_TLS and PLACE_TLS_BSS.
 712         (Orphan_section_placement::Orphan_section_placement): Initialize
 713         new places.
 714         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
 715         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
 716         (tls_script_test_SOURCES): Define.
 717         (tls_script_test_DEPENDENCIES): Define.
 718         (tls_script_test_LDFLAGS): Define.
 719         (tls_script_test_LDADD): Define.
 720         * testsuite/Makefile.in: Rebuild.
 721
 722 2010-03-22  Doug Kwan  <dougkwan@google.com>
 723
 724         * arm.cc (Arm_relocate_functions::abs8,
 725         Arm_relocate_functions::abs16): Use correct check for overflow
 726         specified in the ARM ELF specs.
 727         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
 728         target of a BLX instruction specially.
 729         (Reloc_stub::stub_type_for_reloc): Ditto.
 730         (Relocate::relocate): Use symbolic names instead of numeric relocation
 731         codes to report error.
 732         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
 733         workaround.
 734         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
 735         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
 736         thumb2_blx_out_of_range.stdout
 737         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
 738         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
 739         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
 740         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
 741         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
 742         thumb2_blx_in_range, thumb2_blx_in_range.o,
 743         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
 744         thumb2_blx_out_of_range.o): New rules.
 745         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
 746         thumb2_blx_in_range and thumb2_blx_out_of_range.
 747         * testsuite/Makefile.in: Regenerate.
 748         * arm_branch_in_range.sh: Add tests for THUMB BLX.
 749         * testsuite/thumb_blx_in_range.s: New file.
 750         * testsuite/thumb_blx_out_of_range.s: New file.
 751
 752 2010-03-22  Rafael Espindola  <espindola@google.com>
 753
 754         * archive.cc (Should_include): Move to archive.h.
 755         (should_include_member): Make it a member of Archive.
 756         (Lib_group): New.
 757         (Add_lib_group_symbols): New.
 758         * archive.h: Include options.h.
 759         (Archive_member): Moved from Archive.
 760         (Should_include): Moved from archive.cc.
 761         (Lib_group): New.
 762         (Add_lib_group_symbols): New.
 763         * dynobj.cc (do_should_include_member): New.
 764         * dynobj.h (do_should_include_member): New.
 765         * gold.cc (queue_initial_tasks): Update call to queue.
 766         * main.cc (main): Print lib group stats.
 767         * object.cc (do_should_include_member): New.
 768         * object.h: Include archive.h.
 769         (Object::should_include_member): New.
 770         (Object::do_should_include_member): New.
 771         (Sized_relobj::do_should_include_member): New.
 772         * options.cc (General_options::parse_start_lib): New.
 773         (General_options::parse_end_lib): New.
 774         (Input_arguments::add_file): Handle lib groups.
 775         (Input_arguments::start_group): Check we are not in a lib.
 776         (Input_arguments::start_lib): New.
 777         (Input_arguments::end_lib): New.
 778         * options.h (General_options): Add start_lib and end_lib.
 779         (Input_argument::lib_): New.
 780         (Input_argument::lib): New.
 781         (Input_argument::is_lib): New.
 782         (Input_file_lib): New.
 783         (Input_arguments::in_lib_): New.
 784         (Input_arguments::in_lib): New.
 785         (Input_arguments::start_lib): New.
 786         (Input_arguments::end_lib_): New.
 787         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
 788         in unused members as preempted.
 789         (Sized_pluginobj::do_should_include_member): New.
 790         * plugin.h (Sized_pluginobj::do_should_include_member): New.
 791         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
 792         return the blocker.
 793         (Read_symbols::do_whole_lib_group): New.
 794         (Read_symbols::do_lib_group): New.
 795         (Read_symbols::do_read_symbols): Handle lib groups.
 796         (Read_symbols::get_name): Handle lib groups.
 797         * readsyms.h (Read_symbols): Add an archive member pointer.
 798         (Read_symbols::do_whole_lib_group): New.
 799         (Read_symbols::do_lib_group): New.
 800         (Read_symbols::member_): New.
 801         * script.cc (read_input_script): Update call to queue_soon.
 802
 803 2010-03-19  Doug Kwan  <dougkwan@google.com>
 804
 805         * arm.cc (Stub_table::Stub_table): Initialize new data members
 806         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
 807         (Stub_table::add_reloc_stub): Assign stub offset and update
 808         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
 809         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
 810         New data members.
 811         (Stub_table::update_data_size_and_addralign): Use
 812         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
 813         instead of going over all reloc stubs.
 814         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
 815         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
 816         Stringpool_template::offset_ to size of Stringpool_char.
 817         (Stringpool_template::new_key_offset): Remove code to initialize
 818         Stringpool_template::offset_.
 819         * stringpool.h (Stringpool_template::set_no_zero_null): Set
 820         Stringpool_template::offset_ to zero.
 821
 822 2010-03-15  Doug Kwan  <dougkwan@google.com>
 823
 824         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
 825         offset_.
 826         (Stringpool_template::new_key_offset): New method.
 827         (Stringpool_template::add_string): Assign offsets when adding new
 828         strings.
 829         (Stringpool_template::set_string_offsets): Do not set string offsets
 830         when not optimizing.
 831         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
 832         member size_.
 833         (Chunked_vector::clear): Clear size_.
 834         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
 835         (Chunked_vector::size): Return size_.
 836         (Chunked_vector::push_back): Use size_ to find insert position.
 837         (Chunked_vector::size_): New data member.
 838         (Stringpool_template::set_no_zero_null): Assert string set is empty.
 839         (Stringpool_template::new_key_offset): New method declaration.
 840         (Stringpool_template::offset_): New data member.
 841
 842 2010-03-15   Rafael Espindola  <espindola@google.com>
 843
 844         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
 845         Add_symbols' constructor.
 846         * readsyms.h (Add_symbols): Remove the input_group member.
 847
 848 2010-03-10  Ian Lance Taylor  <iant@google.com>
 849
 850         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
 851         target to ask whether a reference to a symbol requires a stack
 852         split.
 853         * target.h (Target::is_call_to_non_split): New function.
 854         (Target::do_is_call_to_non_split): Declare virtual function.
 855         * target.cc: Include "symtab.h".
 856         (Target::do_is_call_to_non_split): New function.
 857         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
 858
 859 2010-03-10  Cary Coutant  <ccoutant@google.com>
 860
 861         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
 862         (File_read::open[1]): Remove initial mapping of whole_file_view_.
 863         (File_read::open[2]): Add whole_file_view_ to list of views.
 864         (File_read::make_view): Remove test of whole_file_view_.
 865         (File_read::find_or_make_view): Create whole_file_view_ if
 866         necessary.
 867         (File_read::clear_views): Replace bool parameter with enum;
 868         adjust all callers.  Don't delete views with permanent data;
 869         do delete cached views and views from archives if
 870         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
 871         if clearing the corresponding view.
 872         * fileread.h (File_read::Clear_views_mode): New enum.
 873         (File_read::View::is_permanent_view): New method.
 874         (File_read::clear_views): Replace bool parameter
 875         with enum; adjust all callers.
 876         * options.h (General_options): Change keep_files_mapped option;
 877         add map_whole_files.
 878         * readsyms.cc (Add_symbols::run): Delete sd_ object before
 879         releasing the file.
 880         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
 881         the file.
 882
 883 2010-03-10  David S. Miller  <davem@davemloft.net>
 884
 885         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
 886
 887 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
 888
 889         * icf.cc (get_section_contents): Add '@' marker after processing the
 890         merge reloc.
 891
 892 2010-03-08  Doug Kwan  <dougkwan@google.com>
 893
 894         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
 895         due to a conversion warning.
 896         (Arm_relobj::update_output_local_symbol_count): Check for local
 897         symbol with unset output index.
 898
 899 2010-03-05  Ian Lance Taylor  <iant@google.com>
 900
 901         * options.h (class General_options): Add --spare-dynamic-tags.
 902         * output.cc (Output_data_dynamic::set_final_data_size): Implement
 903         --spare-dynamic-tags.
 904
 905 2010-03-05  Ian Lance Taylor  <iant@google.com>
 906
 907         * incremental.cc: Include "libiberty.h".
 908
 909 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 910
 911         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
 912         function, is_info_ member.
 913         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
 914         (Versions::Versions): Update caller.
 915         (Versions::define_base_version): Likewise.
 916         (Versions::add_def): Likewise.
 917
 918 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
 919
 920         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
 921         (Scan::possible_function_pointer_reloc): New function.
 922         (Scan::local_reloc_may_be_function_pointer): Change to call
 923         possible_function_pointer_reloc.
 924         (Scan::global_reloc_may_be_function_pointer): Ditto.
 925         * icf.h (Icf::check_section_for_function_pointers): Change to reject
 926         relocations in ".data.rel.ro._ZTV" section.
 927         * testsuite/icf_safe_so_test.sh: Change to pass i386.
 928         * testsuite/icf_safe_so_test.cc: Ditto.
 929         * testsuite/icf_safe_test.cc: Ditto.
 930         * testsuite/icf_safe_test.sh: Ditto.
 931
 932 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 933             Ian Lance Taylor  <iant@google.com>
 934
 935         * target-reloc.h (relocate_section): Check the symbol table index
 936         for -1U before setting the local symbol index.
 937         (scan_relocatable_relocs): If copying the relocation, record that
 938         the local symbol is required.
 939         * object.h (Symbol_value::is_output_symtab_index_set): New
 940         function.
 941         (Symbol_value::may_be_discarded_from_output_symtab): New
 942         function.
 943         (Symbol_value::has_output_symtab_entry): New function.
 944         (Symbol_value::needs_output_symtab_entry): Remove.
 945         (Symbol_value::output_symtab_index): Make sure the symbol index is
 946         set.
 947         (Symbol_value::set_output_symtab_index): Make sure the symbol
 948         index is not set.  Make sure the new index is valid.
 949         (Symbol_value::set_must_have_output_symtab_entry): New function.
 950         (Symbol_value::has_output_dynsym_entry): New function.
 951         (Symbol_value::set_output_dynsym_index): Make sure the new index
 952         is valid.
 953         (Sized_relobj::set_must_have_output_symtab_entry): New function.
 954         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
 955         local symbol if permitted.
 956         (Sized_relobj::do_finalize_local_symbols): Call
 957         is_output_symtab_index_set rather than needs_output_symtab_entry.
 958         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
 959         rather than needs_output_symtab_entry.  Call
 960         has_output_dynsym_entry rather than needs_output_dynsym_entry.
 961         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
 962         is_output_symtab_index_set rather than needs_output_symtab_entry.
 963         * testsuite/discard_locals_relocatable_test.c: New file.
 964         * testsuite/discard_locals_test.sh: Test -r.
 965         * testsuite/Makefile.am (check_DATA): Add
 966         discard_locals_relocatable_test1.syms,
 967         discard_local_relocatable_test2.syms.
 968         (MOSTLYCLEANFILES): Likewise.  Also add
 969         discard_locals_relocatable_test1.lout and
 970         discard_locals_relocatable_test2.out.
 971         (discard_locals_relocatable_test1.syms): New target.
 972         (discard_locals_relocatable_test.o): New target.
 973         (discard_locals_relocatable_test1.out): New target.
 974         (discard_locals_relocatable_test2.syms): New target.
 975         (discard_locals_relocatable_test2.out): New target.
 976         (various): Add missing ../ld-new dependencies.
 977         * testsuite/Makefile.in: Rebuild.
 978
 979 2010-03-03  Nick Clifton  <nickc@redhat.com>
 980
 981         * po/fi.po: New Finnish translation.
 982
 983 2010-03-01  Doug Kwan  <dougkwan@google.com>
 984
 985         * layout.cc (Layout::Layout): Force section types of .init_array*,
 986         .preinit_array* and .fini_array* sections.
 987         * output.cc (Output_section::Input_section_sort_entry::has_priority):
 988         Fix check of return value of std::string::find.().
 989         (Output_section::Input_section_sort_compare::operator()): Remove
 990         comment about .init_array.
 991         (Output_section::Input_section_sort_init_fini_compare::operator()):
 992         New method.
 993         (Output_section::sort_attached_input_sections): Handle .init_array
 994         and .fini_array specially.
 995         * output.h (Output_section::Inut_section_sort_compare): Update
 996         comment.
 997         (Output_section::Input_section_sort_init_fini_compare): New struct.
 998
 999 2010-02-26  Doug Kwan  <dougkwan@google.com>
1000
1001         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
1002         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
1003         * testsuite/debug_msg.sh: Avoid matching source line number for
1004         use of global variable undef_int.
1005
1006 2010-02-26  Doug Kwan  <dougkwan@google.com>
1007
1008         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
1009         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
1010         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
1011         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
1012         * options.cc (General_options::General_options): Initialize member
1013         fix_v4bx_.
1014         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
1015         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
1016         and rm_no_fix_v4bx.stdout
1017         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
1018         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
1019         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
1020         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
1021         and arm_no_fix_v4bx.
1022         * Makefile.in: Regenerate.
1023         * testsuite/arm_fix_v4bx.s: New file.
1024         * testsuite/arm_fix_v4bx.sh: Ditto.
1025
1026 2010-02-24  Doug Kwan  <dougkwan@google.com>
1027
1028         * arm.cc (Target_arm::got_section): Make the .got section the first
1029         non RELRO section in the data segment.
1030         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
1031         suffixes of section names.
1032
1033 2010-02-24  Doug Kwan  <dougkwan@google.com>
1034
1035         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
1036         flags and attributes merging if an input file is a binary file.
1037         * fileread.cc (Input_file::open): Record format of original file.
1038         * fileread.h (Input_file::Format): New enum type.
1039         (Input_file::Input_file): Initialize data member format_.
1040         (Input_file::format): New method definition.
1041         (Input_file::format_):: New data member.
1042
1043 2010-02-24  Doug Kwan  <dougkwan@google.com>
1044
1045         * arm.cc (Arm_output_data_got): New class.
1046         (ARM_TCB_SIZE): New constant
1047         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
1048         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
1049         If user uses a script with a SECTIONS clause, issue only a warning
1050         for a misplaced EXIDX input section.  Otherwise, issue an error.
1051         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
1052         garbage collection.
1053         (Target_arm::got_mode_index_entry): Handle static linking.
1054         (Target_arm::Scan::local): Ditto.
1055         (Target_arm::Scan::global): Ditto.
1056         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
1057         all incorrectly implemented relocations.
1058         (Target_arm::fix_exidx_coverage): Pass layout to
1059         Arm_output_section::fix_exidx_coverage.
1060         * layout.cc (Layout::section_name_mapping): Remove trailing dots
1061         from ".ARM.exidx." and ".ARM.extab.".
1062
1063 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1064
1065         * arm.cc (Target_arm::do_finalize_sections): Create attribute
1066         section if it does not already exist.
1067         * attributes.cc (Attributes_section_data::Attributes_section_data):
1068         Don't crash if size is zero.
1069
1070 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1071             Ian Lance Taylor  <iant@google.com>
1072
1073         * gold.cc (queue_middle_tasks): If no input files were opened,
1074         exit.
1075         * workqueue.h (Task_function::Task_function): Assert that there is
1076         a blocker.
1077
1078 2010-02-22  Doug Kwan  <dougkwan@google.com>
1079
1080         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
1081         * icf.cc (get_section_contents): Cast snprintf arguments to long long
1082         types to avoid warnings due to different uint64_t implementations
1083         on different hosts.
1084
1085 2010-02-21  Doug Kwan  <dougkwan@google.com>
1086
1087         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
1088         handling of the maximum backward branch offset.
1089         (Arm_relocate_functions::thumb_branch_common): Ditto.
1090         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
1091         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
1092         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
1093         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
1094         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
1095         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
1096         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
1097         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
1098         thumb_bl_out_of_range thumb_bl_out_of_range.o,
1099         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
1100         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
1101         thumb2_bl_out_of_range.o): New rules.
1102         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
1103         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
1104         thumb2_bl_out_of_range
1105         * testsuite/Makefile.in: Regenerate.
1106         * testsuite/arm_bl_in_range.s: New file.
1107         * testsuite/arm_bl_out_of_range.s: Ditto.
1108         * testsuite/arm_branch_in_range.sh: Ditto.
1109         * testsuite/arm_branch_range.t: Ditto.
1110         * testsuite/thumb2_branch_range.t: Ditto.
1111         * testsuite/thumb_bl_in_range.s: Ditto.
1112         * testsuite/thumb_bl_out_of_range.s: Ditto.
1113         * testsuite/thumb_branch_range.t: Ditto.
1114
1115 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
1116
1117         * gc.h (gc_process_relocs): Change vectors to point to the new list.
1118         Add reloc offset information.
1119         * icf.cc (get_section_contents): Change iterators to point to the new
1120         vectors. Add reloc offset information to the contents.
1121         * icf.h (Icf::Sections_reachable_info): New typedef.
1122         (Icf::Sections_reachable_list): New typedef.
1123         (Icf::Offset_info): New typedef.
1124         (Icf::Reloc_info): New struct typedef.
1125         (Icf::Reloc_info_list): New typedef.
1126         (Icf::symbol_reloc_list): Delete method.
1127         (Icf::addend_reloc_list): Delete method.
1128         (Icf::section_reloc_list): Delete method.
1129         (Icf::reloc_info_list): New method.
1130         (Icf::reloc_info_list_): New member.
1131
1132 2010-02-19  Doug Kwan  <dougkwan@google.com>
1133
1134         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
1135         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
1136         * arm.cc (Arm_relocation_functions): New forward declaration.
1137         (Target_arm::Target_arm): Initialize new data members
1138         got_mod_index_offset_ and tls_base_symbol_defined_.
1139         (Target_arm::Relocate::relocate_tls): New method.
1140         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
1141          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
1142         New methods.
1143         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
1144         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
1145         (Target_arm::got_mod_index_offset_,
1146         Target_arm::tls_base_symbol_defined_): New data members.
1147         (Target_arm::Scan::local, Target::Scan::global,
1148         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
1149         relocations.
1150
1151 2010-02-18  Doug Kwan  <dougkwan@google.com>
1152
1153         * arm.cc (Arm_relobj::find_linked_text_section): New method.
1154         (Arm_relobj::make_exidx_input_section): Pass section index of linked
1155         text section as a parameter becuase some broken tools may not set
1156         the link in section header.
1157         (Target_arm::has_got_section): New method.
1158         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
1159         without any mapping symbol as data only.  Remove warning.
1160         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
1161         link in its section header, try to discover the link by inspecting the
1162         REL31 relocation at the beginning of the section.
1163         (Target_arm::Scan::check_non_pic): Report name of offending relocation
1164         in error message.
1165         (Target_arm::Scan::global): Treat any reference to the symbol
1166         _GLOBAL_OFFSET_TABLE_ as a GOT access.
1167
1168 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
1169
1170         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
1171         (Scan::global_reloc_may_be_function_pointer): New function.
1172         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1173         (Scan::global_reloc_may_be_function_pointer): New function.
1174         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1175         (Scan::global_reloc_may_be_function_pointer): New function.
1176         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
1177         (Scan::global_reloc_may_be_function_pointer): New function.
1178         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
1179         (Scan::global_reloc_may_be_function_pointer): New function.
1180         (Scan::possible_function_pointer_reloc): New function.
1181         (Target_x86_64::can_check_for_function_pointers): New function.
1182         * gc.h (gc_process_relocs): Scan relocation types to determine if
1183         function pointers were taken for targets that support it.
1184         * icf.cc (Icf::find_identical_sections): Include functions for
1185         folding in safe ICF whose pointer is not taken.
1186         * icf.h (Secn_fptr_taken_set): New typedef.
1187         (fptr_section_id_): New member.
1188         (section_has_function_pointers): New function.
1189         (set_section_has_function_pointers): New function.
1190         (check_section_for_function_pointers): New function.
1191         * options.h: Fix comment for safe ICF option.
1192         * target.h (can_check_for_function_pointers): New function.
1193         * testsuite/Makefile.am: Add icf_safe_so_test test case.
1194         Modify icf_safe_test for X86-64.
1195         * testsuite/Makefile.in: Regenerate.
1196         * testsuite/icf_safe_so_test.cc: New file.
1197         * testsuite/icf_safe_so_test.sh: New file.
1198         * testsuite/icf_safe_test.cc (kept_func_3): New function.
1199         (main): Change to take pointer to function kept_func_3.
1200         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
1201         folding is done correctly for X86-64.
1202
1203 2010-02-12  David S. Miller  <davem@davemloft.net>
1204
1205         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
1206         is_symbolless parameter.
1207         (Output_reloc<SHT_REL>::is_symbolless): New.
1208         (Output_reloc<SHT_REL>::is_symbolless_): New.
1209         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
1210         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
1211         (Output_reloc<SHT_RELA>::is_symbolless): New.
1212         (Output_data_reloc::add_global): Handle is_symbolless.
1213         (Output_data_reloc::add_global_relative): Likewise.
1214         (Output_data_reloc::add_local): Likewise.
1215         (Output_data_reloc::add_local_relative): Likewise.
1216         (Output_data_reloc::add_symbolless_global_addend): New.
1217         (Output_data_reloc::add_symbolless_local_addend): New.
1218         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
1219         is_symbolless.
1220         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
1221         instead of ->is_relative_
1222         (Output_reloc::write): Likewise.
1223         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
1224         (Output_reloc::write_rel): Simplify.
1225
1226         * sparc.cc (Target_sparc::Scan::local): Use
1227         ->add_symbolless_local_addend as needed.
1228         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
1229         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
1230         based upon relocation offset.
1231
1232 2010-02-11  Doug Kwan  <dougkwan@google.com>
1233
1234         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
1235         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
1236         beginning of function.
1237         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
1238         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
1239         parameter is_32bit in calls to should_apply_static_reloc.
1240         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
1241         (check_DATA): Add arm_abs_global.stdout.
1242         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
1243         arm_abs_global.stdout): New rules.
1244         (MOSTLLYCLEANFILES): Add arm_abs_global
1245         * Makefile.in: Regenerate.
1246         * testsuite/arm_abs_global.s: New file.
1247         * testsuite/arm_abs_global.sh: Ditto.
1248         * testsuite/arm_abs_lib.s: Ditto.
1249
1250 2010-02-11  Ian Lance Taylor  <iant@google.com>
1251
1252         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
1253         Read_relocs task.
1254         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
1255         Allocate_commons_task first.
1256         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
1257         task, rather than symtab_lock_.
1258         (Gc_process_relocs::~Gc_process_relocs): New function.
1259         (Gc_process_relocs::is_runnable): Check this_blocker_.
1260         (Gc_process_relocs::locks): Use next_blocker_ rather than
1261         blocker_.
1262         (Scan_relocs::~Scan_relocs): New function.
1263         (Scan_relocs::is_runnable): Check this_blocker_ rather than
1264         symtab_lock_.
1265         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
1266         next_blocker_.
1267         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
1268         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
1269         constructor accordingly.
1270         (class Gc_process_relocs): Likewise.
1271         (class Scan_relocs): Likewise.
1272         * common.h (class Allocate_commons_task): Remove symtab_lock_
1273         field, and corresponding constructor parameter.
1274         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
1275         symtab_lock_.
1276         (Allocate_commons_task::locks): Likewise.
1277
1278 2010-02-11  Ian Lance Taylor  <iant@google.com>
1279
1280         * gold-threads.h (class Once): Define.
1281         (class Initialize_lock): Rewrite as child of Once.
1282         * gold-threads.cc (class Once_initialize): Define.
1283         (once_pointer_control): New static variable.
1284         (once_pointer, once_arg): New static variables.
1285         (c_run_once): New static function.
1286         (Once::Once, Once::run_once, Once::internal_run): New functions.
1287         (class Initialize_lock_once): Remove.
1288         (initialize_lock_control): Remove.
1289         (initialize_lock_pointer): Remove.
1290         (initialize_lock_once): Remove.
1291         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
1292         (Initialize_lock::initialize): Rewrite.
1293         (Initialize_lock::do_run_once): New function.
1294         * archive.cc (Archive::interpret_header): Only clear name if it is
1295         not already empty.
1296         * fileread.cc: Include "gold-threads.h"
1297         (file_counts_lock): New static variable.
1298         (file_counts_initialize_lock): Likewise.
1299         (File_read::release): Only increment counts when using --stats.
1300         Use a lock around the increment.
1301         * parameters.cc (class Set_parameters_target_once): Define.
1302         (set_parameters_target_once): New static variable.
1303         (Parameters::Parameters): Move here from parameters.h.
1304         (Parameters::set_target): Rewrite.
1305         (Parameters::set_target_once): New function.
1306         (Parameters::clear_target): Move here and rewrite.
1307         * parameters.h (class Parameters): Update declarations.  Add
1308         set_parameters_target_once_ field.
1309         (Parameters::Parameters): Move to parameters.cc.
1310         (Parameters::clear_target): Likewise.
1311         * readsyms.cc (Read_symbols::do_group): Create a Start_group
1312         task.
1313         (Start_group::~Start_group): New function.
1314         (Start_group::is_runnable): New function.
1315         (Start_group::locks, Start_group::run): New functions.
1316         (Finish_group::run): Change saw_undefined to size_t.
1317         * readsyms.h (class Start_group): Define.
1318         (class Finish_group): Change saw_undefined_ field to size_t.
1319         (Finish_group::Finish_group): Remove saw_undefined and
1320         this_blocker parameters.  Change all callers.
1321         (Finish_group::set_saw_undefined): New function.
1322         (Finish_group::set_blocker): New function.
1323         * symtab.h (class Symbol_table): Change saw_undefined to return
1324         size_t.  Change saw_undefined_ field to size_t.
1325         * target-select.cc (Set_target_once::do_run_once): New function.
1326         (Target_selector::Target_selector): Initialize set_target_once_
1327         field.  Don't initialize lock_ and initialize_lock_ fields.
1328         (Target_selector::instantiate_target): Rewrite.
1329         (Target_selector::set_target): New function.
1330         * target-select.h (class Set_target_once): Define.
1331         (class Target_selector): Update declarations.  Make
1332         Set_target_once a friend.  Remove lock_ and initialize_lock_
1333         fields.  Add set_target_once_ field.
1334
1335 2010-02-10  Ian Lance Taylor  <iant@google.com>
1336
1337         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
1338         queueing any tasks.
1339         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
1340         (queue_middle_tasks): Add all blockers before queueing any tasks.
1341         (queue_final_tasks): Likewise.
1342         * token.h (Task_token::add_blockers): New function.
1343         * object.h (Input_objects::number_of_relobjs): New function.
1344
1345 2010-02-10  Ian Lance Taylor  <iant@google.com>
1346
1347         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
1348         shared, not if not position independent.
1349         * x86_64.cc (Relocate::relocate_tls): Likewise.
1350         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
1351         (tls_pie_pic_test): New target.
1352         * testsuite/Makefile.in: Rebuild.
1353
1354         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
1355         (tls_test_main_pie.o, tls_test_pie.o): New targets.
1356         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
1357         * testsuite/Makefile.in: Rebuild.
1358
1359 2010-02-09  David S. Miller  <davem@davemloft.net>
1360
1361         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
1362         R_SPARC_RELATIVE using ->add_local_relative().
1363         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
1364
1365         * output.h (Output_data_dynamic::add_section_size): New method
1366         that takes two Output_data objects.
1367         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
1368         entry param.  Handle it in initializers.
1369         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
1370         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
1371         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
1372         arg.
1373         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1374         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1375         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1376         for dynrel_includes_plt.
1377         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1378         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1379         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1380         before .rela.plt
1381         (Target_sparc::do_finalize_sections): Update to pass true for
1382         dynrel_includes_plt.
1383         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1384         output before .rela.plt
1385         (Target_powerpc::do_finalize_sections): Update to pass true for
1386         dynrel_includes_plt when 32-bit.
1387
1388 2010-02-08  Doug Kwan  <dougkwan@google.com>
1389
1390         * arm.cc (Arm_relobj::simple_input_section_output_address): New
1391         method.
1392         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1393         Arm_relobj::scan_section_for_cortex_a8_stubs,
1394         Arm_relobj::do_relocation_section): Instead of calling
1395         Output_section::output_address, use faster
1396         Arm_relobj::simple_input_section_output_address.
1397
1398 2010-02-08  David S. Miller  <davem@davemloft.net>
1399
1400         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1401         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1402         relocation helper function.
1403
1404         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1405         just like R_SPARC_GOT{10,13,22}.
1406         (Target_sparc::Scan::local): Likewise.
1407         (Target_sparc::Relocate:relocate): Likewise.
1408
1409 2010-02-06  Ian Lance Taylor  <iant@google.com>
1410
1411         * configure.ac: Rewrite targetobjs duplicate removal code to use
1412         only shell constructs.
1413         * configure: Rebuild.
1414
1415 2010-02-05  Doug Kwan  <dougkwan@google.com>
1416
1417         PR 11247
1418         * arm.cc (Arm_relobj::section_is_scannable): New method.
1419         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1420         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1421
1422 2010-02-04  Doug Kwan  <dougkwan@google.com>
1423
1424         PR 11247
1425         * arm-reloc-property.cc (cstdio): Include.
1426         * configure.ac (targetobjs): Remove duplicates.
1427         * configure: Regenerate.
1428         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1429         big and little endian version for a given address size.
1430
1431 2010-02-03  Doug Kwan  <dougkwan@google.com>
1432
1433         * arm-reloc-property.cc
1434         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1435         definition.
1436         * arm-reloc-property.h
1437         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1438         New method definition.
1439         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1440         declaration.
1441         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1442         overflow to N.
1443         (GOT_PREL): Change implemented to Y.
1444         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1445         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1446         (Arm_relocate_functions::movw_abs_nc): Remove method.
1447         (Arm_relocate_functions::movt_abs): Ditto.
1448         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1449         (Arm_relocate_functions::thm_movt_abs): Ditto.
1450         (Arm_relocate_functions::movw_rel_nc): Ditto.
1451         (Arm_relocate_functions::movw_rel): Ditto.
1452         (Arm_relocate_functions::movt_rel): Ditto.
1453         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1454         (Arm_relocate_functions:thm_movw_rel): Ditto.
1455         (Arm_relocate_functions:thm_movt_rel): Ditto.
1456         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1457         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1458         New method definitions.
1459         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1460         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1461         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1462         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1463         (Target_arm::Relocate::relocate): Check for non-static or
1464         unimplemented relocation code and exit early.  Change calls to
1465         Target_arm::reloc_uses_thumb_bit and
1466         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1467         instead.  Refactor code to handle similar relocations to increase
1468         code sharing.  Remove check for unsupported relocation code in switch
1469         statement.
1470         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1471         relocation property table to find out size.  Change error message to
1472         print out the name of a relocation code instead of the numeric value.
1473         (Target_arm::scan_reloc_for_stub): Use relocation property table
1474         instead of calling Target_arm::reloc_uses_thumb_bit().
1475
1476 2010-02-02  Doug Kwan  <dougkwan@google.com>
1477
1478         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1479         types of relaxed input section.
1480
1481 2010-02-02  Doug Kwan  <dougkwan@google.com>
1482
1483         * Makefile.am (HFILES): Add arm-reloc-property.h.
1484         (DEFFILES): New.
1485         (TARGETSOURCES): Add arm-reloc-property.cc
1486         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1487         (libgold_a_SOURCES): $(DEFFILES)
1488         * Makefile.in: Regenerate.
1489         * arm-reloc-property.cc: New file.
1490         * arm-reloc-property.h: New file.
1491         * arm-reloc.def: New file.
1492         * arm.cc: Update comments.
1493         (arm-reloc-property.h): New included header.
1494         (arm_reloc_property_table): New global variable.
1495         (Target_arm::do_select_as_default_target): New method definition.
1496         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1497         arm-reloc-property to targ_extra_obj.
1498         * parameters.cc (set_parameters_target): Call
1499         Target::select_as_default_target().
1500         * target.h (Target::select_as_default_target): New method definition.
1501         (Target::do_select_as_default_target): Same.
1502
1503 2010-02-01  Doug Kwan  <dougkwan@google.com>
1504
1505         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1506         first_output_text_section_.
1507         (Arm_exidx_fixup::first_output_text_section): New method definition.
1508         (Arm_exidx_fixup::first_output_text_section_): New data member.
1509         (Arm_exidx_fixup::process_exidx_section): Record the first text
1510         output section seen.
1511         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1512         and entsize in output section header.
1513
1514 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1515
1516         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1517         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1518         (Arm_relocate_functions::thm_alu11): New Method.
1519         (Arm_relocate_functions::thm_pc8): New Method.
1520         (Arm_relocate_functions::thm_pc12): New Method.
1521         (Target_arm::Scan::local): Handle the relocations.
1522         (Target_arm::Scan::global): Likewise.
1523         (Target_arm::Relocate::relocate): Likewise.
1524         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1525
1526 2010-01-29  Doug Kwan  <dougkwan@google.com>
1527
1528         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1529         of relocation types as ld.
1530
1531 2010-01-29  Doug Kwan  <dougkwan@google.com>
1532
1533         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1534         to public.
1535         (Arm_relocate_functions::thumb_branch_common): Ditto.
1536         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1537         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1538         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1539         Arm_relocate_functions::jump24): Remove.
1540         (Target_arm::Relocate::relocate): Adjust code to call
1541         Arm_relocation_functions::arm_branch_common and
1542         Arm_relocation_functions::thumb_branch_common instead of their removed
1543         wrappers.  Merge switch-cases together to reduce source code size.
1544
1545 2010-01-29  Doug Kwan  <dougkwan@google.com>
1546
1547         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1548         output_local_symbol_count_needs_update_.
1549         (Arm_relobj::output_local_symbol_count_needs_update,
1550          Arm_relobj::set_output_local_symbol_count_needs_update,
1551          Arm_relobj::update_output_local_symbol_count): New methods.
1552         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1553         member.
1554         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1555         of pointed function as in a R_ARM_PREL31 relocation.
1556         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1557         for output local symbol count updating.
1558         (Target_arm::do_relax): Update output local symbol counts in objects
1559         if necessary.
1560         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1561
1562 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1563
1564         * arm.cc: Added support for the ARM relocations:
1565         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1566         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1567         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1568         movw_prel_nc).
1569         (Arm_relocate_functions::movw_rel): New method.
1570         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1571         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1572         thm_movw_prel_nc).
1573         (Arm_relocate_functions::thm_movw_rel): New method.
1574         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1575         thm_movt_prel).
1576         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1577         relocations.
1578         (Target_arm::Scan::global): Likewise.
1579         (Target_arm::Relocate::relocate): Likewise.
1580         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1581         Likewise.
1582
1583 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1584
1585         * arm.cc: Added support for ARM group relocations.
1586         (Target_arm::reloc_needs_sym_origin): New method.
1587         (Arm_relocate_functions::calc_grp_kn): New method.
1588         (Arm_relocate_functions::calc_grp_residual): New method.
1589         (Arm_relocate_functions::calc_grp_gn): New method.
1590         (Arm_relocate_functions::arm_grp_alu): New Method.
1591         (Arm_relocate_functions::arm_grp_ldr): New Method.
1592         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1593         (Arm_relocate_functions::arm_grp_ldc): New Method.
1594         (Target_arm::Scan::local): Handle the ARM group relocations.
1595         (Target_arm::Scan::global): Likewise.
1596         (Target_arm::Relocate::relocate): Likewise.
1597         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1598         Likewise.
1599
1600 2010-01-26  Doug Kwan  <dougkwan@google.com>
1601
1602         * arm.cc (set): Include.
1603         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1604         pointer type.
1605         (Arm_output_section::Text_section_list): New type.
1606         (Arm_output_section::append_text_sections_to_list): New method.
1607         (Arm_output_section::fix_exidx_coverage): Ditto.
1608         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1609         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1610         Relobj::set_section_offset() instead of
1611         Sized_relobj::invalidate_section_offset().
1612         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1613         parameter for section headers. Ignore relocation sections for
1614         unallocated sections and EXIDX sections.
1615         (Target_arm::fix_exidx_coverage): New method.
1616         (Target_arm::output_section_address_less_than): New type.
1617         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1618         linked text section instead of the EXIDX section.
1619         (Arm_output_section::create_stub_group): Add an assertion to check
1620         that this is not an EXIDX output section.
1621         (Arm_output_section::append_text_sections_to_list): New method.
1622         (Arm_output_section::fix_exidx_coverage): Ditto.
1623         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1624         Arm_relobj::section_needs_reloc_stub_scanning.
1625         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1626         first pass.
1627         (Target_arm::fix_exidx_coverage): New method.
1628         * object.h (Relobj::set_output_section): New method.
1629         (Sized_relobj::invalidate_section_offset): Remove method.
1630         (Sized_relobj::do_invalidate_section_offset): Remove method.
1631         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1632
1633 2010-01-25  Doug Kwan  <dougkwan@google.com>
1634
1635         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1636         Fix warning due to signed and unsigned comparison on a 32-bit host.
1637
1638 2010-01-22  Doug Kwan  <dougkwan@google.com>
1639
1640         * arm.cc (Target_arm::do_relax): Record an output section for section
1641         offset adjustment it contains any stub table that has changed.
1642         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1643         offsets in an output section if necessary.
1644         * output.cc (Output_section::Output_section): Initialize
1645         section_offsets_need_adjustments_.
1646         (Output_section::add_input_section_for_script): Renamed to
1647         Output_section::add_simple_input_section.
1648         (Output_section::save_states): Add a comment.
1649         (Output_section::discard_states): New method defintion.
1650         (Output_section::adjust_section_offsets): Same.
1651         * output.h (Output_section::add_input_section_for_script): Renamed to
1652         Output_section::add_simple_input_section.
1653         (Output_section::discard_states): New method declaration.
1654         (Output_section::adjust_section_offsets): Same.
1655         (Output_section::section_offsets_need_adjustment,
1656         Output_section::set_section_offsets_need_adjustment): New method
1657         definitions.
1658         (Output_section::section_offsets_need_adjustment_): New data member.
1659         * script-sections.cc
1660         (Output_section_element_input::set_section_address): Adjust code for
1661         renaming of Output_section::add_input_section_for_script.
1662         (Orphan_output_section::set_section_address): Same.
1663
1664 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1665
1666         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1667         Fix_v4bx enum values .
1668         * gold/options.h (General_options): New option definitions.
1669         (General_options::fix_v4bx): New method.
1670         (General_options::Fix_v4bx): New enum.
1671         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1672         (General_options::parse_fix_v4bx_interworking): New method.
1673
1674 2010-01-22  Doug Kwan  <dougkwan@google.com>
1675
1676         * arm.cc (Arm_exidx_fixup): New class.
1677
1678 2010-01-21  Doug Kwan  <dougkwan@google.com>
1679
1680         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1681         classes.
1682         (Arm_exidx_section_offset_map): New type.
1683
1684 2010-01-21  Doug Kwan  <dougkwan@google.com>
1685
1686         * arm.cc (Arm_exidx_input_section): New class.
1687         (Arm_relobj::exidx_input_section_by_link,
1688         Arm_relobj::exidx_input_section_by_shndx,
1689         Arm_relobj::make_exidx_input_section): New methods.
1690         (read_arm_attributes_section): Remove.
1691         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1692         information about them.
1693         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1694         to here.
1695
1696 2010-01-20  Doug Kwan  <dougkwan@google.com>
1697
1698         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1699         Input_section_specifier to Section_id.
1700         (Target_arm::new_arm_input_section: Adjust code for change of key
1701         type.
1702         (Target_arm::find_arm_input_section): Ditto.
1703         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1704         (Section_id): Remove.
1705         (Garbage_collection::Section_id_hash): Remove.
1706         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1707         (Section_id): Remove.
1708         (Icf::Section_id_hash): Remove.
1709         * object.h (Section_id, Const_section_id, Section_id_hash,
1710         Const_section_id_hash): New type definitions.
1711         * output.cc (Output_section::add_relaxed_input_section): Change to
1712         use Const_section_id instead of Input_section_specifier as key type.
1713         (Output_section::add_merge_input_section): Ditto.
1714         (Output_section::build_relaxation_map): Change to use Section_id
1715         instead of Input_section_specifier as key type.
1716         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1717         Ditto.
1718         (Output_section::convert_input_sections_to_relaxed_sections): Change
1719         to use Const_section_id instead of Input_section_specifier as key type.
1720         (Output_section::find_merge_section): Ditto.
1721         (Output_section::find_relaxed_input_section): Ditto.
1722         * output.h (Input_section_specifier): Remove class.
1723         (Output_section::Output_section_data_by_input_section_map): Change
1724         key type to Const_section_id.
1725         (Output_section::Output_relaxed_input_section_by_input_section_map):
1726         Ditto.
1727         (Output_section::Relaxation_map): Change key type to Section_id.
1728
1729 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1730
1731         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1732         (class Arm_v4bx_stub): New class.
1733         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1734         (Stub_factory::make_arm_v4bx_stub): New method.
1735         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1736         (Stub_table::empty): Handle v4bx stubs.
1737         (Stub_table::add_arm_v4bx_stub): New method.
1738         (Stub_table::find_arm_v4bx_stub): New method.
1739         (Arm_relocate_functions::v4bx): New method.
1740         (Target_arm::fix_v4bx): New method.
1741         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1742         (Stub_table::relocate_stubs): Likewise.
1743         (Stub_table::do_write): Likewise.
1744         (Stub_table::update_data_size_and_addralign): Likewise.
1745         (Stub_table::finalize_stubs):  Likewise.
1746         (Target_arm::Scan::local): Likewise.
1747         (Target_arm::Scan::global): Likewise.
1748         (Target_arm::do_finalize_sections): Likewise.
1749         (Target_arm::Relocate::relocate): Likewise.
1750         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1751         Likewise.
1752         (Target_arm::scan_reloc_for_stub): Likewise.
1753         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1754
1755 2010-01-19  Ian Lance Taylor  <iant@google.com>
1756
1757         * output.cc (Output_section_headers::do_sized_write): Write large
1758         segment count to sh_info field.
1759         (Output_file_header::do_sized_write): For large segment count,
1760         write PN_XNUM to e_phnum field.
1761
1762 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1763
1764         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1765         (Arm_relocate_functions::thm_jump8): New function.
1766         (Arm_relocate_functions::thm_jump11): New function.
1767         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1768         R_ARM_THM_JUMP11.
1769         (Target_arm::Scan::global): Likewise.
1770         (Target_arm::Relocate::relocate): Likewise.
1771         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1772         Likewise.
1773
1774 2010-01-14  Doug Kwan  <dougkwan@google.com>
1775
1776         * arm.cc (map, utility): Include headers.
1777         (Target_arm::apply_cortex_a8_workaround): New method.
1778         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1779         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1780         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1781         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1782         the --[no-]fix-cortex-a8 command line options.
1783         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1784         (Target_arm::relocate_stub): Use addend in instruction template.
1785         * options.h (DEFINE_bool): Set the user-set flag.
1786         (General_options): Add --[no-]-fix-cortex options.
1787         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1788         : Update fast look-up map after conversion.
1789
1790 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1791
1792         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1793         in the first pass of do_layout.
1794
1795 2010-01-13  Doug Kwan  <dougkwan@google.com>
1796
1797         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1798         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1799         apparent compiler problem of not folding static constant integral
1800         data members of elfcpp::Elf_sizes<32>.
1801
1802 2010-01-13  Doug Kwan  <dougkwan@google.com>
1803
1804         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1805         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1806         Arm_relobj::scan_section_for_cortex_a8_erratum,
1807         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1808         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1809         sections to scan for relocation stubs into a new method
1810         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1811         relocation and Cortex-A8 stub scanning.
1812         (Target_arm::do_relax): Force stubs to be after stubbed sections
1813         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1814         the beginning of a new relaxation pass.  Update a comment.
1815         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1816
1817 2010-01-12  Ian Lance Taylor  <iant@google.com>
1818
1819         * target-reloc.h (visibility_error): New inline function.
1820         (relocate_section): Call visibility_error.
1821         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1822         (MOSTLYCLEANFILES): Likewise.
1823         (protected_4_pic.o, protected_3.err): New targets.
1824         * testsuite/protected_4.cc: New file.
1825
1826 2010-01-12  Doug Kwan  <dougkwan@google.com>
1827
1828         * arm.cc (Cortex_a8_reloc): New class.
1829         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1830         and cortex_a8_relocs_info_.
1831         (Target_arm::fix_cortex_a8): New method definition.
1832         (Target_arm::Cortex_a8_relocs_info): New type.
1833         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1834         New data member declarations.
1835         (Target_arm::scan_reloc_for_stub): Record information about
1836         relocations for THUMB branches that might be exempted from the
1837         Cortex-A8 workaround.
1838         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1839         at the beginning of a relaxation pass.
1840
1841 2010-01-12  Doug Kwan  <dougkwan@google.com>
1842
1843         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1844         (Arm_relobj::Mapping_symbol_position,
1845          Arm_reloj::Mapping_symbol_position_less,
1846          Arm_relobj::Mapping_symbols_info): New types.
1847         (Target_arm::is_mapping_symbol_name): New method definition.
1848         (Arm_relobj::do_count_local_symbols): Save information about mapping
1849         symbols.
1850
1851 2010-01-11  Doug Kwan  <dougkwan@google.com>
1852
1853         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1854         Arm_relocate_functions::thumb32_branch_upper,
1855         Arm_relocate_functions::thumb32_branch_lower,
1856         Arm_relocate_functions::thumb32_cond_branch_offset,
1857         Arm_relocate_functions::thumb32_cond_branch_upper,
1858         Arm_relocate_functions::thumb32_cond_branch_lower,
1859         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1860         branch offset encoding.
1861         (Arm_relocate_functions::thumb_branch_common): Use new branch
1862         offset encoding methods to avoid code duplication.
1863         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1864         (Stub_addend_reader::operator()): Use new branch encoding method
1865         to avoid code duplication.
1866
1867 2010-01-11  Doug Kwan  <dougkwan@google.com>
1868
1869         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1870         (Target_arm::do_finalize_sections): Define special EXIDX section
1871         symbols only if referenced.
1872         * gc.h (Garbage_collection::add_reference): New method.
1873         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1874         code duplication.
1875
1876 2010-01-11  Ian Lance Taylor  <iant@google.com>
1877
1878         * script.cc (Version_script_info::build_expression_list_lookup):
1879         Change complaing about duplicate wildcard match from error to
1880         warning.
1881
1882         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1883         of 2009-12-30.
1884         (Version_script_info::Version_script_info): Initialize globs_,
1885         default_version_, default_is_global_, and exact_.  Don't
1886         initialize globals_ or locals_.
1887         (Version_script_info::build_lookup_tables): Build local symbols
1888         first.
1889         (Version_script_info::unquote): New function.
1890         (Version_script_info::add_exact_match): New function.
1891         (Version_script_info::build_expression_list_lookup): Remove lookup
1892         parameter.  Add is_global parameter.  Change all callers.  Handle
1893         wildcard pattern specially.  Unquote pattern.  Call
1894         add_exact_match.
1895         (Version_script_info::get_name_to_match): New function.
1896         (Version_script_info::get_symbol_version): New function.
1897         (Version_script_info::get_symbol_version_helper): Remove.
1898         (Version_script_info::check_unmatched_names): Call unquote.
1899         * script.h (class Version_script_info): Change get_symbol_version
1900         to be non-inline and add is_global parameter; change all callers.
1901         Rewrite symbol_is_local.  Update declarations.  Define struct
1902         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1903         Remove globals_ and locals_ members.  Add exact_, globs_,
1904         default_version_, is_global_.
1905         (Version_script_info::Glob): Remove pattern, add expression and
1906         is_global.  Update constructor.  Change all callers.
1907         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1908         default version.
1909         (Versions::symbol_section_contents): If a symbol is undefined, or
1910         defined in a dynamic object, set the version index to
1911         VER_NDX_LOCAL.
1912         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1913         symbol_is_local.
1914         (Symbol_table::add_from_pluginobj): Likewise.
1915         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1916
1917 2010-01-11  Doug Kwan  <dougkwan@google.com>
1918
1919         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1920         (incremental_dump_LDADD): Add linking option for libintl.
1921         * Makefile.in: Regenerate.
1922
1923 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1924
1925         PR gold/11144
1926         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1927         instead of -Ds.
1928         * testsuite/Makefile.in: Regenerated.
1929
1930 2010-01-10  Doug Kwan  <dougkwan@google.com>
1931
1932         * options.h (DEFINE_var): Use parentheses around argument varname__
1933         in macro body to avoid any unintended subsequent substitutions.
1934
1935 2010-01-10  Ian Lance Taylor  <iant@google.com>
1936
1937         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1938         candidates before doing symbol resolution.
1939
1940         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1941         ODR candidates if only one is weak.
1942
1943 2010-01-08  Ian Lance Taylor  <iant@google.com>
1944
1945         * script.cc (Version_script_info::build_expression_list_lookup):
1946         Don't warn about ambiguous version, just record the ambiguity.
1947         (Version_script_info::get_symbol_version_helper): Give error if
1948         version is ambiguous.
1949
1950 2010-01-08  Doug Kwan  <dougkwan@google.com>
1951
1952         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1953           prev_data_size_ and prev_addralign_.  Remove initializer for
1954           deleted data member has_been_changed_.
1955           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1956           to determine if the table is empty.
1957           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1958           Remove.
1959           (Stub_table::add_reloc_stub): Define method in class definition
1960           instead of just declaring it there.
1961           (Stub_table::add_cortex_a8_stub): New method definition.
1962           (Stub_table::update_data_size_and_addralign): Ditto.
1963           (Stub_table::finalize_stubs): Ditto.
1964           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1965           (Stub_table::do_addralign_): Return address alignment in the
1966           (Stub_table::do_reset_address_and_file_offset): Define method in
1967           class definition instead of declaring it there.  Set current data
1968           size to be the data size of the previous pass.
1969           (Stub_table::set_final_data_size): Use current data size as the
1970           final data size.
1971           (Stub_table::relocate_stub): Change parameter type of stub from
1972           Reloc_stub pointer to Stub pointer.
1973           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1974           (Stub_table::Cortex_a8_stub_list): New typedef.
1975           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1976            Stub_table::prev_addralign_): New data member.
1977           (Arm_relobj::Arm_relobj): Initialize data member
1978           section_has_cortex_a8_workaround_.
1979           (Arm_relobj::section_has_cortex_a8_workaround,
1980            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1981            definitions.
1982           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1983           declarations.
1984           (Target_arm::relocate_stub): Change parameter type of stub from
1985           Reloc_stub pointer to Stub pointer.
1986           (Insn_template::size, Insn_template::alignment): Handle
1987           THUMB16_SPECIAL_TYPE.
1988           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1989            Stub_table::update_data_size_and_addralign,
1990            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1991           definitions.
1992           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1993           (Stub_table::do_write): Ditto.
1994           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1995
1996 2010-01-08  Ian Lance Taylor  <iant@google.com>
1997
1998         PR 11108
1999         * symtab.h (class Symbol): Remove fields is_target_special_ and
2000         has_plt_offset_.  Add field is_defined_in_discarded_section_.
2001         (Symbol::is_defined_in_discarded_section): New function.
2002         (Symbol::set_is_defined_in_discarded_section): New function.
2003         (Symbol::has_plt_offset): Rewrite.
2004         (Symbol::set_plt_offset): Verify that new offset is not -1U.
2005         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
2006         Don't initialize is_target_special_ or has_plt_offset_.
2007         Initialize is_defined_in_discarded_section_.
2008         (Symbol_table::add_from_relobj): If appropriate, set
2009         is_defined_in_discarded_section.
2010         * resolve.cc (Symbol::override_base_with_special): Don't test
2011         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
2012         * target-reloc.h (relocate_section): Do special handling for
2013         symbols defined in discarded sections for global symbols as well
2014         as local symbols.
2015
2016 2010-01-08  Ian Lance Taylor  <iant@google.com>
2017
2018         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
2019         the SHT_SYMTAB case.
2020
2021 2010-01-08  Ian Lance Taylor  <iant@google.com>
2022
2023         * object.cc (Sized_relobj::do_layout): Don't get confused if
2024         layout_eh_frame returns NULL.
2025
2026 2010-01-08  Ian Lance Taylor  <iant@google.com>
2027
2028         PR 11084
2029         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
2030         dynamic symbol table, use the normal symbol table.
2031         (Sized_dynobj::do_read_symbols): Remove assertion about type of
2032         symbol table.
2033
2034 2010-01-08  Ian Lance Taylor  <iant@google.com>
2035
2036         PR 11072
2037         * layout.cc (Layout::include_section): Remove .gnu_debuglink
2038         sections.
2039
2040 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
2041
2042         * version.cc (print_version): Change to "Copyright 2010".
2043
2044 2010-01-08  Ian Lance Taylor  <iant@google.com>
2045
2046         PR 10287
2047         PR 11063
2048         * i386.cc (class Target_i386): Change return type of plt_section
2049         to be non-const.
2050         (class Output_data_plt_i386): Add tls_desc_rel_ field.
2051         (Output_data_plt_i386::Output_data_plt_i386): Initialize
2052         tls_desc_rel_ field.
2053         (Output_data_plt_i386::rel_tls_desc): New function.
2054         (Target_i386::rel_tls_desc_section): New function.
2055         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
2056         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
2057         R_386_TLS_DESC reloc in rel_tls_desc_section.
2058         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
2059         Define struct Tlsdesc_info.
2060         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
2061         (Target_x86_64::do_reloc_symbol_index): New function.
2062         (Target_x86_64::add_tlsdesc_info): New function.
2063         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
2064         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
2065         tlsdesc_rel_ field.
2066         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
2067         all callers.
2068         (Output_data_plt_x86_64::rela_tlsdesc): New function.
2069         (Target_x86_64::rela_tlsdesc_section): New function.
2070         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
2071         handling.
2072         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
2073         (Target_x86_64::do_reloc_addend): New function.
2074         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
2075         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
2076         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
2077         (Output_reloc::type): New function.
2078         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
2079         (Output_reloc::is_target_specific): New function.
2080         (Output_reloc::target_arg): New function.
2081         (class Output_reloc) [SHT_RELA]: Add four new constructors for
2082         absolute relocs and target specific relocs.
2083         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
2084         add_target_specific.
2085         (class Output_data_reloc) [SHT_RELA]: Likewise.
2086         * output.cc (Output_reloc::Output_reloc): Add four new versions
2087         for absolute relocs and target specific relocs.
2088         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
2089         (Output_reloc::get_symbol_index): Likewise.
2090         (Output_reloc::local_section_offset): Check that local_sym_index_
2091         is not TARGET_CODE or 0.
2092         (Output_reloc::symbol_value): Likewise.
2093         (Output_reloc::write) [SHT_RELA]: Call target for target specific
2094         reloc.
2095         * target.h (class Target): Add reloc_symbol_index and reloc_addend
2096         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
2097         functions.
2098         * layout.cc (add_target_dynamic_tags): Use output section for
2099         DT_PLTRELSZ and DT_JMPREL.
2100
2101 2010-01-07  Ian Lance Taylor  <iant@google.com>
2102
2103         PR 11061
2104         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
2105         function.
2106         (class Output_data_reloc_generic): Define.
2107         (class Output_data_reloc_base): Change base class to
2108         Output_data_reloc_generic.  Change add() method to call
2109         bump_relative_reloc_count for a relative reloc.  Remove
2110         sort_relocs_ field.
2111         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
2112         to sort_relocs().
2113         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
2114         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
2115         appropriate.
2116         * layout.h (class Layout): Update declaration.
2117
2118 2010-01-07  Ian Lance Taylor  <iant@google.com>
2119
2120         * output.h (class Output_data): Add const version of
2121         output_section and do_output_section.
2122         (class Output_section_data): Add const version of
2123         do_output_section.
2124         (class Output_section): Likewise.
2125         * layout.cc (Layout::add_target_dynamic_tags): New function.
2126         * layout.h (class Layout): Update declarations.
2127         * arm.cc (Target_arm::do_finalize_sections): Use
2128         add_target_dynamic_tags.
2129         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2130         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2131         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2132         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2133
2134 2010-01-07  Ian Lance Taylor  <iant@google.com>
2135
2136         PR 11042
2137         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
2138         object as needed.
2139
2140 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
2141             Ian Lance Taylor  <iant@google.com>
2142
2143         PR 11019
2144         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
2145         Xindex::read_symtab_xindex.
2146
2147 2010-01-07  Doug Kwan  <dougkwan@google.com>
2148
2149         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
2150         (Insn_template::thumb16_bcond_insn): New method declaration.
2151         (Insn_template): Fix spelling.
2152         (Stub::thumb16_special): New method declaration.
2153         (Stub::do_write): Define virtual method which was previously pure
2154         virtual.
2155         (Stub::do_thumb16_special): New method declaration.
2156         (Stub::do_fixed_endian_write): New template member.
2157         (Reloc_stub::do_write): Remove.
2158         (Reloc_stub::do_fixed_endian_write): Remove.
2159         (Cortex_a8_stub): New class definition.
2160         (Stub_factory::make_cortex_a8_stub): New method definition.
2161         (Stub_factory::Stub_factory): Add missing static storage class
2162         qualifier for elf32_arm_stub_a8_veneer_blx.
2163
2164 2010-01-07  Ian Lance Taylor  <iant@google.com>
2165
2166         PR 10980
2167         * options.h (class General_options): Add --warn-unresolved-symbols
2168         and --error-unresolved-symbols.
2169         * errors.cc (Errors::undefined_symbol): Implement
2170         --warn-unresolved-symbols.
2171
2172         * options.h (class General_options): Add -z text and -z textoff.
2173         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
2174
2175 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
2176
2177         * gc.h (Garbage_collection::Cident_section_map): New typedef.
2178         (Garbage_collection::cident_sections): New function.
2179         (Garbage_collection::add_cident_section): New function.
2180         (Garbage_collection::cident_sections_): New member.
2181         (gc_process_relocs): Add references to sections whose names are C
2182         identifiers.
2183         * gold.h (cident_section_start_prefix): New constant.
2184         (cident_section_stop_prefix): New constant.
2185         (is_cident): New function.
2186         * layout.cc (Layout::define_section_symbols): Replace string constants
2187         with the newly defined constants.
2188         * object.cc (Sized_relobj::do_layout): Track sections whose names are
2189         C identifiers.
2190         * testsuite/Makefile.am: Add gc_orphan_section_test.
2191         * testsuite/Makefile.in: Regenerate.
2192         * testsuite/gc_orphan_section_test.cc: New file.
2193         * testsuite/gc_orphan_section_test.sh: New file.
2194
2195 2010-01-06  Ian Lance Taylor  <iant@google.com>
2196
2197         PR 10980
2198         * options.h (class General_options): Add --warn-shared-textrel.
2199         * layout.cc (Layout::finish_dynamic_section): Implement
2200         --warn-shared-textrel.
2201
2202         PR 10980
2203         * options.h (class General_options): Add --warn-multiple-gp.
2204
2205 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2206
2207         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
2208         $(THREADSLIB) and $(LIBDL).
2209         * Makefile.in: Rebuild.
2210
2211 2010-01-06  Ian Lance Taylor  <iant@google.com>
2212
2213         PR 10980
2214         * options.cc (General_options::parse_section_start): New function.
2215         (General_options::section_start): New function.
2216         (General_options::General_options): Initialize all members.
2217         * options.h: Include <map>
2218         (class General_options): Add --section-start.  Add section_starts_
2219         member.
2220         * layout.cc (Layout::attach_allocated_section_to_segment): If
2221         --section-start was used, set the address of the segment.  Remove
2222         local sort_sections.
2223         (Layout::relaxation_loop_body): If the address of the load segment
2224         has been set by --section-start, don't use it.
2225         * output.h (Output_segment::update_flags_for_output_section): New
2226         function.
2227         * output.cc (Output_segment::add_output_section): Call
2228         update_flags_for_output_section.
2229
2230 2010-01-05  Ian Lance Taylor  <iant@google.com>
2231
2232         PR 10980
2233         * options.h (class General_options): Add --undefined-version.
2234         * script.cc (struct Version_expression): Add was_matched_by_symbol
2235         field.
2236         (Version_script_info::matched_symbol): New function.
2237         (Version_script_info::get_symbol_version_helper): Call
2238         matched_symbol.
2239         (Version_script_info::check_unmatched_names): New function.
2240         * script.h (class Version_script_info): Update declarations.
2241         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2242
2243         * options.h (class General_options): Use DEFINE_bool_alias for
2244         allow_multiple_definition.
2245         * resolve.cc (Symbol_table::should_override): Don't test
2246         allow_multiple_definition.
2247
2248         PR 10980
2249         * options.h (class General_options): Add --cref.
2250         * main.cc (main): Print cref table if --cref.  Don't close mapfile
2251         until after printing cref table.
2252         * cref.cc: Include "symtab.h".
2253         (class Cref_inputs): Define Cref_table_compare and Cref_table.
2254         (Cref_table_compare::operator()): New function.
2255         (Cref_inputs::gather_cref): New function.
2256         (filecol): New static const.
2257         (Cref_inputs::print_cref): New function.
2258         (Cref::print_cref): New function.
2259         * cref.h: Include <cstdio>.
2260         (class Cref): Update declarations.
2261         * mapfile.h (Mapfile::file): New function.
2262         * object.h (class Object): Define Symbols.  Declare virtual
2263         do_get_global_symbols.
2264         (Object::get_global_symbols): New function.
2265         * object.cc (Input_objects::add_object): Pass object to cref_ if
2266         --cref.
2267         (Input_objects::archive_start): Likewise.
2268         (Input_objects::archive_stop): Likewise.
2269         (Input_objects::print_cref): New function.
2270         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
2271         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
2272         --cref.
2273         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
2274         function.
2275         * plugin.h (class Sized_pluginobj): Update declarations.
2276
2277 2010-01-05  Ian Lance Taylor  <iant@google.com>
2278
2279         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
2280         to is_default_version.  Rename insdef to insdefault.
2281         (Symbol_table::add_from_relobj): Rename def to is_default_version
2282         and local to is_forced_local.
2283         (Symbol_table::add_from_pluginobj): Likewise.
2284         (Symbol_table::add_from_dynobj): Likewise.
2285         (Symbol_table::define_special_symbol): Rename insdef to
2286         insdefault.
2287
2288 2010-01-04  Ian Lance Taylor  <iant@google.com>
2289
2290         PR 10980
2291         * options.h (class General_options): Add
2292         --allow-multiple-definition and -z muldefs.
2293         * resolve.cc (Symbol_table::should_override): Don't warn about a
2294         multiple symbol definition if --allow-multiple-definition or -z
2295         muldefs.
2296
2297         PR 10980
2298         * options.h (class General_options): Add --add-needed and
2299         --copy-dt-needed-entries.  Tweak --as-needed help entry.
2300         * object.cc (Input_objects::check_dynamic_dependencies): Give an
2301         error if --copy-dt-needed-entries aka --add-needed is used and
2302         would cause a change in behaviour.
2303
2304         PR 10980
2305         * options.h (class General_options): Add -G as a short version of
2306         --shared.  Add no-op options -assert, -g, and -i.
2307
2308 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
2309
2310         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
2311         check for .text or .gnu.linkonce.t sections.
2312         * icf.cc (Icf::find_identical_sections): Ditto.
2313         Change the detection for mangled function name within the section
2314         name.
2315         * icf.h (is_section_foldable_candidate): New function.
2316
2317 2009-12-30  Ian Lance Taylor  <iant@google.com>
2318
2319         PR 10980
2320         * options.h (class General_options): Permit two dashes with
2321         --retain-symbols-file.
2322
2323 2009-12-30  Ian Lance Taylor  <iant@google.com>
2324
2325         PR 10979
2326         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
2327         don't put the file header and segment headers in the text
2328         segment.
2329
2330         PR 10979
2331         * common.cc (Sort_commons::operator()): Stabilize sort when both
2332         entries are NULL.
2333         (Symbol_table::do_allocate_commons_list): When allocating common
2334         symbols, skip a symbol which is no longer common.
2335         * symtab.h (Symbol::is_common): Test whether the symbol comes from
2336         an object before checking its type.
2337         * testsuite/common_test_2.c: New file.
2338         * testsuite/common_test_3.c: New file.
2339         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
2340         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
2341         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
2342         (common_test_2_pic.o, common_test_2.so): New targets.
2343         (common_test_3_pic.o, common_test_3.so): New targets.
2344         * testsuite/Makefile.in: Rebuild.
2345
2346         PR 10979
2347         * script.cc (read_input_script): If we see a new SECTIONS clause,
2348         and we have added an input section, give an error.
2349         * layout.h (class Layout): Add have_added_input_section function.
2350         Add have_added_input_section_ field.
2351         * layout.cc (Layout::Layout): Initialize
2352         have_added_input_section_.
2353         (Layout::layout): Set have_added_input_section_.
2354         (Layout::layout_eh_frame): Likewise.
2355
2356 2009-12-30  Ian Lance Taylor  <iant@google.com>
2357
2358         PR 10931
2359         * options.h (class General_options): Add --sort-common option.
2360         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
2361         * common.cc (Sort_common): Add sort_order parameter to
2362         constructor.  Add sort_order_ field.
2363         (Sort_commons::operator): Check sort_order_.
2364         (Symbol_table::allocate_commons): Determine the sort order.
2365         (Symbol_table::do_allocate_commons): Add sort_order parameter.
2366         Change all callers.
2367         (Symbol_table::do_allocate_commons_list): Likewise.
2368
2369 2009-12-30  Ian Lance Taylor  <iant@google.com>
2370
2371         PR 10916
2372         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2373         symbols from this object, don't change the visibility of an
2374         undefined symbol.
2375         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2376
2377 2009-12-30  Ian Lance Taylor  <iant@google.com>
2378
2379         PR 10861
2380         * script.h (class Version_script_info): Define Language enum.
2381         Update declarations.  Define Glob, Exact, and Lookup types.  Add
2382         new fields globals_, locals_, and is_finalized_.
2383         * script.cc: Various formatting fixes.
2384         (class Parser_closure): Change language_stack_ from a vector of
2385         std::string to one of Version_script_info::Language.  Adjust all
2386         uses accordingly.
2387         (class Lazy_demangler): Remove.
2388         (struct Version_expression): Change language from std::string to
2389         Version_script_info::Language.
2390         (Version_script_info::Version_script_info): New function.
2391         (Version_script_info::~Version_script_info): Don't call clear.
2392         (Version_script_info::finalize): New function.
2393         (Version_script_info::build_lookup_tables): New function.
2394         (Version_script_info::build_expression_list_lookup): New
2395         function.
2396         (Version_script_info::get_symbol_version_helper): Rewrite to use
2397         lookup tables.
2398         (Version_script_info::print_expression_list): Adjust to use
2399         Version_script_info::Language.
2400         (script_push_lex_into_version_mode): Check that the version script
2401         has not been finalized.
2402         (version_script_push_lang): Change language string to
2403         Version_script_info::Language.
2404         * options.cc (Command_line::version_script): New function.
2405         * options.h (class General_options): Add finalize_dynamic_list
2406         function.  Change version_script from declaration to definition.
2407         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2408         * testsuite/version_script.map: Remove duplicate def of foo.
2409         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2410         version_script.map.
2411         * testsuite/Makefile.in: Rebuild.
2412
2413 2009-12-30  Ian Lance Taylor  <iant@google.com>
2414
2415         PR 10843
2416         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2417         if the input symbol index is 0, make the output symbol index 0.
2418
2419 2009-12-30  Ian Lance Taylor  <iant@google.com>
2420
2421         PR 10670
2422         * options.h (class General_options): Add -x/--discard-all.
2423         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2424         --discard-all.  If the local symbol needs a dynamic entry, check
2425         that before handling --discard-locals.
2426
2427 2009-12-30  Ian Lance Taylor  <iant@google.com>
2428
2429         PR 10450
2430         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2431         flags to PF_R.
2432         (Output_segment::add_output_section): Don't change the flags if
2433         the type is PT_TLS.
2434
2435         PR 10450
2436         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2437         GNU hash table if they need a dynamic value.  Otherwise, don't add
2438         them if they are defined in a dynamic object or are forced local.
2439
2440 2009-12-29  Ian Lance Taylor  <iant@google.com>
2441
2442         PR 10450
2443         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2444         .gnu.hash table for a 32-bit target.
2445
2446         PR 10450
2447         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2448         regular and a dynamic object only needs a dynamic symbol table
2449         entry if it is externally visible.
2450
2451         PR 10450
2452         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2453         constructor.  Add global_offset_table_ field.
2454         (Target_i386::got_section): Set global_offset_table_.
2455         (Target_i386::do_finalize_sections): Set global_offset_table_
2456         size.
2457         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2458         in constructor.  Add global_offset_table_ field.
2459         (Target_x86_64::got_section): Set global_offset_table_.
2460         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2461         size.
2462
2463         * layout.cc (Layout::Layout): Initialize increase_relro_.
2464         (Layout::get_output_section): Add is_relro, is_last_relro, and
2465         is_first_non_relro parameters.  Change all callers.
2466         (Layout::choose_output_section): Likewise.
2467         (Layout::add_output_section_data): Likewise.
2468         (Layout::make_output_section): Likewise.
2469         (Layout::set_segment_offsets): Clear increase_relro when using a
2470         linker script.
2471         * layout.h (class Layout): Add increase_relro method.  Add
2472         increase_relro_ field.  Update declarations.
2473         * output.cc (Output_section::Output_section): Initialize
2474         is_last_relro_ and is_first_non_relro_.
2475         (Output_segment::add_output_section): Group relro sections is
2476         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2477         (Output_segment::maximum_alignment): Remove relro handling.
2478         (Output_segment::set_section_addresses): Add increase_relro
2479         parameter.  Change all callers.  Add initial alignment to align
2480         relro sections on separate page.  Remove old relro handling.
2481         (Output_segment::set_section_list_addresses): Remove in_relro
2482         parameter.  Change all callers.
2483         (Output_segment::set_offset): Add increase parameter.  Change all
2484         callers.  Remove old relro handling.
2485         * output.h (class Output_section): Add new methods: is_last_relro,
2486         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2487         Add is_last_relro_ and is_first_non_relro_ fields.
2488         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2489         Create separate .got.plt section.  Call increase_relro.
2490         * x86_64.cc (Target_x86_64::got_section): Likewise.
2491         * testsuite/relro_script_test.t: Add .got.plt.
2492
2493         PR 10450
2494         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2495         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2496         (Layout::finalize): Call set_dynamic_symbol_size.
2497         (Layout::set_dynamic_symbol_size): New function.
2498         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2499         set_dynamic_symbol_size.
2500
2501         PR 10450
2502         * output.h (class Output_section): Add is_entsize_zero_ field.
2503         * output.cc (Output_section::Output_section): Initialize
2504         is_entsize_zero_.
2505         (Output_section::set_entsize): If two different entsizes are
2506         requested, force it to zero.
2507         (Output_section::add_input_section): Set flags for .debug_str
2508         before updating section flags.  Set entsize.
2509         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2510         and SHF_STRING if all input sections have those flags.
2511
2512 2009-12-29   Rafael Espindola  <espindola@google.com>
2513
2514         * main.cc (main): Fix the sys time reporting.
2515         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2516         reporting.
2517
2518 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2519
2520         * options.cc (General_options::parse_version): Allow -v to exit
2521         without an error if there is nothing to link.
2522
2523 2009-12-29  Ian Lance Taylor  <iant@google.com>
2524
2525         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2526         using a version of gcc before 4.1.
2527         * configure: Rebuild.
2528
2529 2009-12-28  Chris Demetriou  <cgd@google.com>
2530
2531         * attributes.cc (Output_attributes_section_data::do_write): Use
2532         std::vector::front rather than std::vector::data.
2533
2534 2009-12-28  Ian Lance Taylor  <iant@google.com>
2535
2536         * symtab.h (class Symbol_table): Add enum Defined.
2537         * resolve.cc (Symbol_table::should_override): Add defined
2538         parameter.  Change all callers.  Test whether object is NULL
2539         before calling a method on it.
2540         (Symbol_table::report_resolve_problem): Add defined parameter.
2541         Change all callers.
2542         (Symbol_table::should_override_with_special): Likewise.
2543         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2544         parameter.  Change all callers.
2545         (Symbol_table::do_define_in_output_data): Likewise.
2546         (Symbol_table::define_in_output_segment): Likewise.
2547         (Symbol_table::do_define_in_output_segment): Likewise.
2548         (Symbol_table::define_as_constant): Likewise.
2549         (Symbol_table::do_define_as_constant): Likewise.
2550         * script.h (class Symbol_assignment): Add is_defsym parameter to
2551         constructor; change all callers.
2552         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2553         parameter.  Change all callers.  Add is_defsym_ field.
2554         (class Parser_closure): Add parsing_defsym parameter to
2555         constructor; change all callers.  Add parsing_defsym accessor
2556         function.  Add parsing_defsym_ field.
2557
2558 2009-12-28  Ian Lance Taylor  <iant@google.com>
2559
2560         * gold.cc (queue_middle_tasks): Fix formatting.
2561         * object.cc (Relobj::is_section_name_included): Likewise.
2562
2563 2009-12-23  Ian Lance Taylor  <iant@google.com>
2564
2565         * i386.cc (Target_i386::do_calls_non_split): Recognize
2566         -fsplit-stack prologue for a function with a static chain.
2567         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2568         -fsplit-stack prologue when using %r11.
2569
2570 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2571
2572         * options.cc (General_options::parse_version): Make -v continue and do
2573         the link like GNU ld does.
2574
2575 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2576
2577         * Makefile.am (CCFILES): Add timer.cc.
2578         (HFILES): Add timer.h.
2579         * configure.ac: Check for sysconf and times.
2580         * main.cc: include timer.h.
2581         (main): Use Timer instead of get_run_time.
2582         * timer.cc: New.
2583         * timer.h: New.
2584         * workqueue.cc: include timer.h.
2585         (Workqueue::find_and_run_task):
2586         Report user, sys and wall time.
2587         * Makefile.in: Regenerate.
2588         * config.in: Regenerate.
2589         * configure: Regenerate.
2590
2591 2009-12-16  Doug Kwan  <dougkwan@google.com>
2592
2593         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2594         sections.
2595         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2596         relaxed input sections.
2597         * output.cc (Output_section::find_relaxed_input_section): Change
2598         return type to Output_relaxed_input_section pointer.  Adjust code
2599         for new type of relaxed_input_section_map_.
2600         * output.h (Output_section::find_relaxed_input_section): Change
2601         return type to Output_relaxed_input_section pointer.
2602         (Output_section::Output_relaxed_input_section_by_input_section_map):
2603         New type.
2604         (Output_section::relaxed_input_section_map_): Change type to
2605         Output_section::Output_relaxed_input_section_by_input_section_map.
2606         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2607         input section.
2608
2609 2009-12-15  Ian Lance Taylor  <iant@google.com>
2610
2611         * layout.cc (Layout::create_shstrtab): Only write out after input
2612         sections if we are compressing debug sections.
2613
2614 2009-12-15  Ian Lance Taylor  <iant@google.com>
2615
2616         * archive.cc (Archive::add_symbols): Only look up a symbol without
2617         a version if there is, in fact, a version.
2618
2619 2009-12-14  Ian Lance Taylor  <iant@google.com>
2620
2621         Revert -Wshadow changes, all changes from:
2622         2009-12-11  Doug Kwan  <dougkwan@google.com>
2623         2009-12-11  Nick Clifton  <nickc@redhat.com>
2624         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2625
2626 2009-12-11  Doug Kwan  <dougkwan@google.com>
2627
2628         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2629         due to -Wshadow.
2630         * attributes.cc (Object_attribute::size): Ditto.
2631         (Attributes_section_data::size): Ditto.
2632         (Attributes_section_data::Attributes_section_data): Ditto.
2633         (Output_attributes_section_data::do_write): Ditto.
2634         * attributes.h (Object_attribute::set_type): Ditto.
2635         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2636
2637 2009-12-11  Nick Clifton  <nickc@redhat.com>
2638
2639         * archive.cc: Fix shadowed variable warnings.
2640         * arm.cc: Likewise.
2641         * compressed_output.cc: Likewise.
2642         * compressed_output.h: Likewise.
2643         * configure: Likewise.
2644         * dwarf_reader.cc: Likewise.
2645         * dynobj.cc: Likewise.
2646         * dynobj.h: Likewise.
2647         * ehframe.cc: Likewise.
2648         * ehframe.h: Likewise.
2649         * errors.cc: Likewise.
2650         * expression.cc: Likewise.
2651         * fileread.cc: Likewise.
2652         * fileread.h: Likewise.
2653         * freebsd.h: Likewise.
2654         * i386.cc: Likewise.
2655         * icf.cc: Likewise.
2656         * incremental.h: Likewise.
2657         * layout.cc: Likewise.
2658         * layout.h: Likewise.
2659         * mapfile.cc: Likewise.
2660         * merge.cc: Likewise.
2661         * merge.h: Likewise.
2662         * object.cc: Likewise.
2663         * object.h: Likewise.
2664         * options.h: Likewise.
2665         * output.cc: Likewise.
2666         * output.h: Likewise.
2667         * parameters.cc: Likewise.
2668         * plugin.cc: Likewise.
2669         * powerpc.cc: Likewise.
2670         * reduced_debug_output.cc: Likewise.
2671         * reduced_debug_output.h: Likewise.
2672         * reloc.cc: Likewise.
2673         * reloc.h: Likewise.
2674         * resolve.cc: Likewise.
2675         * script-sections.cc: Likewise.
2676         * script.cc: Likewise.
2677         * script.h: Likewise.
2678         * sparc.cc: Likewise.
2679         * symtab.cc: Likewise.
2680         * symtab.h: Likewise.
2681         * target-select.cc: Likewise.
2682         * target-select.h: Likewise.
2683         * token.h: Likewise.
2684         * workqueue.cc: Likewise.
2685         * workqueue.h: Likewise.
2686         * x86_64.cc: Likewise.
2687
2688 2009-12-10  Doug Kwan  <dougkwan@google.com>
2689
2690         * arm.cc (attributes.h): New include.
2691         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2692         (Arm_relobj::~Arm_relobj): Delete object pointed by
2693         attributes_section_data_.
2694         (Arm_relobj::attributes_section_data): New method definition.
2695         (Arm_relobj::attributes_section_data_): New data member declaration.
2696         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2697         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2698         attributes_section_data_.
2699         (Arm_dynobj::attributes_section_data): New method definition.
2700         (Arm_dynobj::attributes_section_data_): New data member declaration.
2701         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2702         initialization value of may_use_blx_ to false.
2703         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2704         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2705         object attributes to compute results instead of hard-coding.
2706         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2707         Target_arm::get_secondary_compatible_arch,
2708         Target_arm::set_secondary_compatible_arch
2709         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2710         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2711         New method declarations.
2712         (Target_arm::get_aeabi_object_attribute): New method definition.
2713         (Target_arm::attributes_section_data_): New data member declaration.
2714         (read_arm_attributes_section): New template definition.
2715         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2716         (Arm_dynobj::do_read_symbols): Ditto.
2717         (Target_arm::do_finalize_sections): Merge attributes sections from
2718         input.  Check for BLX use after attributes section merging.
2719         Fix __exidx_start and __exidx_end visibility.  Create an
2720         .ARM.attributes section if necessary.
2721         (Target_arm::get_secondary_compatible_arch,
2722         Target_arm::set_secondary_compatible_arch,
2723         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2724         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2725         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
2726         New method definitions.
2727
2728 2009-12-09  Ian Lance Taylor  <iant@google.com>
2729
2730         * plugin.cc (Plugin::load): Don't cast from void* to a function
2731         pointer.
2732
2733 2009-12-09  Ian Lance Taylor  <iant@google.com>
2734
2735         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2736         information fields.
2737
2738 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2739
2740         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2741         Replace two_file_shared_1.so with two_file_shared_2.so.
2742         * testsuite/Makefile.in: Regenerated.
2743
2744 2009-12-08  Doug Kwan  <dougkwan@google.com>
2745
2746         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2747         (HFILES): Add attributes.h and int_encoding.h.
2748         * Makefile.in: Regenerate.
2749         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2750         function definitions to int_encoding.cc
2751         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2752         prototypes to int_encoding.h
2753         * reduced_debug_output.cc (int_encoding.h): New include.
2754         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2755         function definitions to int_encoding.cc
2756         (insert_into_vector, read_from_pointer): Move template definitions to
2757         int_encoding.h
2758         * attributes.cc: New file.
2759         * attributes.h: New file.
2760         * int_encoding.cc: New file.
2761         * int_encoding.h: New file.
2762
2763 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2764
2765         PR gold/11055
2766         * incremental-dump.cc (dump_incremental_inputs): New.
2767         (main): Use dump_incremental_inputs.
2768
2769 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2770
2771         PR gold/10893
2772         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2773         checking elfcpp::STT_FUNC.
2774         (Target_i386::Relocate::relocate): Likewise.
2775         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2776
2777         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2778         symbols from shared libraries into normal FUNC symbols.
2779
2780         * symtab.h (Symbol): Add is_func and use it.
2781
2782 2009-12-05  Doug Kwan  <dougkwan@google.com>
2783
2784         * arm.cc (Target_arm::arm_info): Initialize new fields
2785         attributes_section and attributes_vendor.
2786         * i386.cc (Target_i386::i386_info): Same.
2787         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2788         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2789         fields attributes_section and attributes_vendor.
2790         * sparc.cc (Target_sparc::sparc_info): Same.
2791         * target.h (Target::attributes_section, Target::attributes_vendor,
2792         Target::is_attributes_section, Target::attribute_arg_type,
2793         Target::attributes_order): New method definitions.
2794         (Target::Target_info::attributes_section,
2795         Target::Target_info::attributes_vendor): New fields.
2796         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2797         virtual method definitions.
2798         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2799         attributes_section and attributes_vendor.
2800         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2801
2802 2009-12-05  Doug Kwan  <dougkwan@google.com>
2803
2804         * arm.cc: Update comments about interworking and stub generation.
2805         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2806         considered as non-PIC.
2807         (Arm_relocate_functions::base_abs): Fix formatting.
2808         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2809         of function to use GOT entry address instead of offset.
2810         (Target_arm::Scan::global): Issue an error if a symbol would need a
2811         PLT does not get one because it is untyped.  Remove code to create
2812         dynamic symbols for relative branches.
2813         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2814         takes unsigned integer instead of boolean.
2815
2816 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2817
2818         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2819         (two_file_test_LDADD): Likewise.
2820         (common_test_1_LDADD): Likewise.
2821         (exception_test_LDADD) Likewise.
2822         (weak_test_LDADD): Likewise.
2823         (many_sections_test_LDADD): Likewise.
2824         (initpri1_LDADD): Likewise.
2825         (script_test_1_LDADD): Likewise.
2826         (script_test_2_LDADD): Likewise.
2827         (justsyms_LDADD): Likewise.
2828         (binary_test_LDADD): Likewise.
2829         (large_LDADD): Likewise.
2830         * testsuite/Makefile.in: Regenerated.
2831
2832 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2833
2834         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2835         (Symbol_table::override_with_special): Likewise.
2836         (Symbol_table::add_from_object): Likewise.
2837
2838 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2839
2840         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2841         Don't set the data_offset twice.
2842
2843 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2844
2845         * testsuite/Makefile.in: Regenerate.
2846
2847 2009-12-03  Doug Kwan  <dougkwan@google.com>
2848
2849         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2850         (Target_arm::do_finalize_sections): Add parameter for symbol table
2851         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2852         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2853         parameter for symbol table pointer.
2854         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2855         an additional parameter for a pointer to symbol table.
2856         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2857         parameter for a symbol table pointer.
2858         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2859         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2860         Ditto.
2861         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2862         parameter for a symbol table pointer.
2863
2864 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2865
2866         * incremental.cc (Incremental_inputs_header)
2867         (Incremental_inputs_header_write, Incremental_inputs_entry)
2868         (Incremental_inputs_entry_write): Move ...
2869         * incremental.h (Incremental_inputs_header)
2870         (Incremental_inputs_header_write, Incremental_inputs_entry)
2871         (Incremental_inputs_entry_write): here.
2872
2873 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2874
2875         * incremental.cc (make_sized_incremental_binary): Set the target.
2876         Error if it is incompatible.
2877         * output.h (Output_file): Add filename method.
2878
2879 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2880
2881         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2882         from the get_* methods.
2883
2884 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2885
2886         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2887         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2888         Write 0 for the data_offset of scripts.
2889
2890 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2891
2892         * testsuite/Makefile.am: Add the incremental_test.sh test.
2893         * testsuite/incremental_test.sh: New.
2894         * testsuite/incremental_test_1.c: New.
2895         * testsuite/incremental_test_2.c: New.
2896
2897 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2898
2899        * incremental-dump.cc (main): Fix typos.
2900
2901 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2902
2903         PR gold/11025
2904         * incremental-dump.cc (main): Use llu to print 64 bit values.
2905
2906 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
2907             H.J. Lu  <hongjiu.lu@intel.com>
2908
2909         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2910         $(LIBDL).
2911         (incremental_dump_LDADD): Likewise.
2912         * Makefile.in: Regenerated.
2913
2914 2009-11-25  Doug Kwan  <dougkwan@google.com>
2915
2916         Revert:
2917
2918         2009-11-25  Doug Kwan  <dougkwan@google.com>
2919
2920                 * arm.cc (Target_arm::Target_arm): Move method definition
2921                 outside of class definition.  Add code to handle
2922                 --target1-rel, --target1-abs and --target2= options.
2923                 (Target_arm::get_reloc_reloc_type): Change method to be
2924                 non-static and const.
2925                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2926                 New data member declaration.
2927                 (Target_arm::Scan::local, Target_arm::Scan::global,
2928                 Target_arm::Relocate::relocate,
2929                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2930                 Adjust call to Target_arm::get_real_reloc_type.
2931                 (Target_arm::get_real_reloc_type): Use command line options
2932                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2933                 * options.h (--target1-rel, --target1-abs, --target2): New
2934                 ARM-only options.
2935
2936 2009-11-25  Doug Kwan  <dougkwan@google.com>
2937
2938         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2939         class definition.  Add code to handle --target1-rel, --target1-abs
2940         and --target2= options.
2941         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2942         and const.
2943         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2944         member declaration.
2945         (Target_arm::Scan::local, Target_arm::Scan::global,
2946         Target_arm::Relocate::relocate,
2947         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2948         call to Target_arm::get_real_reloc_type.
2949         (Target_arm::get_real_reloc_type): Use command line options to
2950         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2951         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2952         options.
2953
2954 2009-11-25  Doug Kwan  <dougkwan@google.com>
2955
2956         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2957         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2958         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2959         formatting.
2960         (Arm_relocate_functions::thm_call): Replace body with a call to
2961         Arm_relocate_functions::thumb_branch_common.
2962         (Arm_relocate_functions::thm_jump24,
2963         Arm_relocate_functions::thm_xpc22): New method definitions.
2964         (Arm_relocate_functions::thumb_branch_common): New method definition.
2965         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2966         operator.
2967         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2968         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2969
2970 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2971
2972         * Makefile.am: Build incremental-dump
2973         * Makefile.in: Regenerate.
2974         * incremental-dump.cc: New.
2975         * incremental.cc (Incremental_inputs_header_data,
2976         Incremental_inputs_entry_data): Move to incremental.h
2977         * incremental.h: (Incremental_inputs_header_data,
2978         Incremental_inputs_entry_data): Move from incremental.cc
2979
2980 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2981
2982         * incremental.cc (Incremental_inputs_header,
2983         Incremental_inputs_header_write, Incremental_inputs_entry,
2984         Incremental_inputs_entry_write): Add a typedef with the data type.
2985
2986 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2987
2988         * incremental.cc (Incremental_inputs_header,
2989         Incremental_inputs_header_write, Incremental_inputs_entry,
2990         Incremental_inputs_entry_write): Update comment about which
2991         type has the filed descriptions.
2992
2993 2009-11-15  Doug Kwan  <dougkwan@google.com>
2994
2995         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2996         (Arm_relocate_functions::arm_branch_common): Change method defintion
2997         in class definition to a method declaration and update list of formal
2998         parameters.
2999         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
3000         Arm_relocation_functions::jump24): Adjust call to
3001         Arm_relocate_functions::arm_branch_common.  Update list of formal
3002         parameters.
3003         (Arm_relocate_functions::xpc25): New method definition.
3004         (Arm_relocate_functions::arm_branch_common): Move method defintion
3005         out from class definition.  Use stubs for mode-switching and extending
3006         branch ranges.
3007         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
3008         specially.  Change code to enable use of stubs in ARM branches.
3009
3010 2009-11-10  Doug Kwan  <dougkwan@google.com>
3011
3012         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
3013         in method declaration.
3014         (Target_arm::relocate_stub): New method declaration.
3015         (Target_arm::default_target): Change to return a pointer instead of
3016         a const reference.
3017         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
3018         Target_arm::default_target.
3019         (Arm_Relobj::do_relocate_sections): Remove options paramater in
3020         method definition.
3021         (Target_arm::relocate_section): Adjust view.
3022         (Target_arm::relocate_stub): New method definition.
3023
3024 2009-11-10  Doug Kwan  <dougkwan@google.com>
3025
3026         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
3027         a format warning.
3028         * incremental.cc (open_incremental_binary): Initialized local
3029         variables to avoid warnings.
3030         * object.cc (make_elf_object): Ditto.
3031         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
3032         a format warning.
3033
3034 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
3035
3036         PR gold/10930
3037         * testsuite/plugin_test.c: Include "config.h".
3038
3039 2009-11-09  Doug Kwan  <dougkwan@google.com>
3040
3041         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
3042         (arm_symbol_value): Remove.
3043         (Arm_relocate_functions::arm_branch_common,
3044         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
3045         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
3046         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
3047         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
3048         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
3049         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
3050         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
3051         Arm_relocate_functions::thm_mobw_abs_nc,
3052         Arm_relocate_functions::thm_mov_abs,
3053         Arm_relocate_functions::movw_prel_nc,
3054         Arm_relocate_functions::thm_movt_abs,
3055         Arm_relocate_functions::movt_prel,
3056         Arm_relocate_functions::thm_movw_prel_nc,
3057         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
3058         (Target_arm::Relocate::relocate): Only decompose address into two
3059         parts if relocation type uses the thumb-bit and pass the actual
3060         bit instead of a flag indicating that the thumb-bit is used.  Adjust
3061         calls to methods in Arm_relocate_functions for this change.
3062
3063 2009-11-08  Ian Lance Taylor  <iant@google.com>
3064
3065         PR 10925
3066         * reloc.cc: Instantiate
3067         Sized_relobj::initialize_input_to_output_maps and
3068         Sized_relobj:free_input_to_output_maps.
3069
3070 2009-11-06  Ian Lance Taylor  <iant@google.com>
3071
3072         PR 10876
3073         * defstd.cc (in_segment): Set only_if_ref true for "end".
3074
3075 2009-11-06  Doug Kwan  <dougkwan@google.com>
3076
3077         * arm.cc (class Reloc_stub): Correct a comment.
3078         (Target_arm::Target_arm): Initialize arm_input_section_map_.
3079         (Target_arm::scan_section_for_stubs): New method declaration.
3080         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
3081         Change methods from private to protected.
3082         (Target_arm::do_may_relax): New method definition.
3083         (Target_arm::do_relax, Target_arm::group_sections,
3084         Target_arm::scan_reloc_for_stub,
3085         Target_arm::scan_reloc_section_for_stubs): New method declarations.
3086         (Target_arm::arm_input_section_map_): New data member declaration.
3087         (Target_arm::scan_reloc_for_stub,
3088         Target_arm::scan_reloc_section_for_stubs,
3089         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
3090         Target_arm::do_relax): New method definitions.
3091
3092 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
3093
3094         * configure.ac: Check for (struct stat)::st_mtim
3095         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
3096         * config.in: Regenerate.
3097         * configure: Regenerate.
3098
3099 2009-11-05  Ian Lance Taylor  <iant@google.com>
3100
3101         PR 10910
3102         * output.cc (Output_segment::add_output_section): Add missing
3103         return statement.
3104
3105 2009-11-04  Ian Lance Taylor  <iant@google.com>
3106
3107         PR 10880
3108         * object.h (class Object): Add is_needed and set_is_needed
3109         methods.  Add is_needed_ field.  Make bool fields into bitfields.
3110         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
3111         defined in a dynamic object and referenced by a regular object,
3112         set is_needed for the dynamic object.
3113         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
3114         if the file is marked with as_needed and it is not needed.
3115
3116 2009-11-04  Ian Lance Taylor  <iant@google.com>
3117
3118         PR 10887
3119         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
3120         tags if data is discarded by linker script.
3121         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3122         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3123         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3124         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3125
3126 2009-11-04  Ian Lance Taylor  <iant@google.com>
3127
3128         * layout.cc (Layout::get_output_section): Add is_interp and
3129         is_dynamic_linker_section parameters.  Change all callers.
3130         (Layout::choose_output_section): Likewise.
3131         (Layout::make_output_section): Likewise.
3132         (Layout::add_output_section_data): Add is_dynamic_linker_section
3133         parameter.  Change all callers.
3134         * layout.h (class Layout): Update declarations.
3135         * output.h (class Output_section): Add is_interp, set_is_interp,
3136         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
3137         Add is_interp_, is_dynamic_linker_section_ fields.  Change
3138         generate_code_fills_at_write_ to a bitfield.
3139         * output.cc (Output_section::Output_sections): Initialize new
3140         fields.
3141         (Output_segment::add_output_section): Add do_sort parameter.
3142         Change all callers.
3143
3144 2009-11-03  Ian Lance Taylor  <iant@google.com>
3145
3146         PR 10860
3147         * options.h (class General_options): Add --warn-common.
3148         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
3149         merging two common symbols.
3150         (Symbol_table::should_override): Handle --warn-common when merging
3151         a common symbol with a defined symbol.  Use report_resolve_problem
3152         for multiple definitions.
3153         (Symbol_table::report_resolve_problem): New function.
3154         * symtab.h (class Symbol_table): Declare report_resolve_problem.
3155
3156 2009-11-03  Doug Kwan  <dougkwan@google.com>
3157
3158         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
3159         stub_factory_.
3160         (Target_arm::stub_factory): New method definition.
3161         (Target_arm::new_arm_input_section,
3162         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
3163         Target_arm::reloc_uses_thumb_bit): New method declarations.
3164         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
3165         New type definitions.
3166         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
3167         member declarations.
3168         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
3169         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
3170         New method definitions.
3171
3172 2009-11-03  Ian Lance Taylor  <iant@google.com>
3173
3174         * options.h (class General_options): Add --warn_constructors.
3175
3176 2009-11-03  Ian Lance Taylor  <iant@google.com>
3177
3178         PR 10893
3179         * defstd.cc (in_section): Add entries for __rel_iplt_start,
3180         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
3181
3182 2009-11-03  Ian Lance Taylor  <iant@google.com>
3183
3184         PR 10895
3185         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
3186         --msgid-bugs-address.
3187         (install-pdf): New target.
3188         (install-data_yes): Look up one directory to find mkinstalldirs.
3189
3190 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
3191
3192         * po/Make-in (.po.gmo): Don't generate .gmo files in source
3193         tree.
3194
3195 2009-10-30  Doug Kwan  <dougkwan@google.com>
3196
3197         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
3198
3199 2009-10-30  Doug Kwan  <dougkwan@google.com>
3200
3201         * arm.cc (Stub_addend_reader): New struct template definition
3202         and partial specializations.
3203         (Stub_addend_reader::operator()): New method definition for a
3204         partially specialized template.
3205
3206 2009-10-30  Doug Kwan  <dougkwan@google.com>
3207
3208         * arm.cc (Arm_relobj::processor_specific_flags): New method
3209         definition.
3210         (Arm_relobj::do_read_symbols): New method declaration.
3211         (Arm_relobj::processor_specific_flags_): New data member declaration.
3212         (Arm_dynobj): New class definition.
3213         (Target_arm::do_finalize_sections): Add input_objects parameter.
3214         (Target_arm::do_adjust_elf_header): New method declaration.
3215         (Target_arm::are_eabi_versions_compatible,
3216         (Target_arm::merge_processor_specific_flags): New method declaration.
3217         (Target_arm::do_make_elf_object): New overloaded method definitions
3218         and declaration.
3219         (Arm_relobj::do_read_symbols): New method definition.
3220         (Arm_dynobj::do_read_symbols): Ditto.
3221         (Target_arm::do_finalize_sections): Add input_objects parameters.
3222         Merge processor-specific flags from all input objects.
3223         (Target_arm::are_eabi_versions_compatible,
3224         Target_arm::merge_processor_specific_flags,
3225         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
3226         New method definitions.
3227         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
3228         Input_objects pointer type parameter.
3229         * layout.cc (Layout::finalize): Pass input objects to target's.
3230         finalize_sections function.
3231         * output.cc (Output_file_header::do_sized_write): Set ELF file
3232         header's processor-specific flags.
3233         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
3234         Input_objects pointer type parameter.
3235         * sparc.cc (Target_sparc::do_finalize_sections): Same.
3236         * target.h (Input_objects): New forward class declaration.
3237         (Target::processor_specific_flags,
3238         Target::are_processor_specific_flags_sect): New method definitions.
3239         (Target::finalize_sections): Add input_objects parameter.
3240         (Target::Target): Initialize processor_specific_flags_ and
3241         are_processor_specific_flags_set_.
3242         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
3243         parameter.
3244         (Target::set_processor_specific_flags): New method definition.
3245         (Target::processor_specific_flags_,
3246         Target::are_processor_specific_flags_set_): New data member
3247         declarations.
3248         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
3249         Input_objects pointer type parameter.
3250
3251 2009-10-30  Doug Kwan  <dougkwan@google.com>
3252
3253         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
3254
3255 2009-10-28  Ian Lance Taylor  <iant@google.com>
3256
3257         * object.h (class Relobj): Drop options parameter from
3258         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
3259         do_scan_relocs, do_relocate.  Change all callers.
3260         (class Sized_relobj): Drop options parameters from
3261         do_gc_process_relocs, do_scan_relocs, do_relocate,
3262         do_relocate_sections, relocate_sections, emit_relocs_scan,
3263         emit_relocs_scan_reltype.  Change all callers.
3264         (struct Relocate_info): Remove options field and all references to
3265         it.
3266         * reloc.h (class Read_relocs): Remove options constructor
3267         parameter and options_ field.  Change all callers.
3268         (class Gc_process_relocs, class Scan_relocs): Likewise.
3269         (class Relocate_task): Likewise.
3270         * target-reloc.h (scan_relocs): Remove options parameter.  Change
3271         all callers.
3272         (scan_relocatable_relocs): Likewise.
3273         * target.h (class Sized_target): Remove options parameter from
3274         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
3275         all callers.
3276         * gc.h (gc_process_relocs): Remove options parameter.  Change all
3277         callers.
3278         * arm.cc: Update functions to remove options parameters.
3279         * i386.cc: Likewise.
3280         * powerpc.cc: Likewise.
3281         * sparc.cc: Likewise.
3282         * x86_64.cc: Likewise.
3283         * testsuite/testfile.cc: Likewise.
3284
3285 2009-10-28  Doug Kwan  <dougkwan@google.com>
3286
3287         * arm.cc (Arm_relobj): New class definition.
3288         (Arm_relobj::scan_sections_for_stubs,
3289         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
3290         New method definitions.
3291
3292 2009-10-28  Cary Coutant  <ccoutant@google.com>
3293
3294         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
3295         (Plugin::cleanup_done_): New member.
3296         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
3297         (Plugin_manager::cleanup_done_): Remove.
3298         (Plugin_manager::add_input_file): Edit error message.
3299         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
3300         (Plugin_manager::cleanup): Remove use of cleanup_done_.
3301
3302 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
3303
3304         * fileread.cc: (File_read::View::~View): Use the new
3305         data_ownership_ filed.
3306         (File_read::~File_read): Dispose the new whole_file_view_.
3307         (File_read::open): Mmap the whole file if needed.
3308         (File_read::open): Use whole_file_view_ instead of contents_.
3309         (File_read::find_view): Use whole_file_view_ if applicable.
3310         (File_read::do_read): Use whole_file_view_ instead of contents_.
3311         (File_read::make_view): Use whole_file_view_ instead of contents_,
3312         update File_read::View::View call.
3313         (File_read::find_or_make_view): Update File_read::View::View
3314         call.
3315         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
3316         remove contents_
3317         (File_read::View::Data_ownership): New enum.
3318         (File_read::View::View): Replace bool mapped_ with Data_ownership
3319         argument.
3320         (File_read::View::mapped_): Remove (replaced by data_ownership_).
3321         (File_read::View::data_ownership_): New field.
3322         (File_read::contents_): Remove (replaced by whole_file_view_).
3323         (File_read::whole_file_view_): New field.
3324         * options.h (class General_options): Add --keep-files-mapped.
3325
3326 2009-10-27  Cary Coutant  <ccoutant@google.com>
3327
3328         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
3329         * testsuite/Makefile.am (plugin_test_5): New test case.
3330         * testsuite/Makefile.in: Regenerate.
3331
3332 2009-10-25  Doug Kwan  <dougkwan@google.com>
3333
3334         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
3335         from private to protected to allow access by child class.
3336         (Sized_relobj::do_relocate_sections): New method declaration.
3337         (Sized_relobj::relocate_sections): Virtualize.
3338         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
3339         Sized_relobj::relocate_sections.  Instantiate template explicitly
3340         for different target sizes and endianity.
3341
3342 2009-10-24  Doug Kwan  <dougkwan@google.com>
3343
3344         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
3345         (Arm_input_section::as_arm_input_section): New method.
3346         (Arm_output_section): New class definition.
3347         (Arm_output_section::create_stub_group,
3348         Arm_output_section::group_sections): New method definitions.
3349
3350 2009-10-22  Doug Kwan  <dougkwan@google.com>
3351
3352         * arm.cc (Arm_input_section): New class definition.
3353         (Arm_input_section::init, Arm_input_section:do_write,
3354         Arm_input_section::set_final_data_size,
3355         Arm_input_section::do_reset_address_and_file_offset): New method
3356         definitions.
3357
3358 2009-10-21  Doug Kwan  <dougkwan@google.com>
3359
3360         * arm.cc (Stub_table, Arm_input_section): New forward class
3361         declarations.
3362         (Stub_table): New class defintion.
3363         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
3364         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
3365         New method definition.
3366
3367 2009-10-21  Doug Kwan  <dougkwan@google.com>
3368
3369         * arm.cc: Update copyright comments.
3370         (Target_arm): New forward class template declaration.
3371         (Arm_address): New type.
3372         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3373         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3374         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3375         constants.
3376         (Insn_template): Same.
3377         (DEF_STUBS): New macro.
3378         (Stub_type): New enum type.
3379         (Stub_template): New class definition.
3380         (Stub): Same.
3381         (Reloc_stub): Same.
3382         (Stub_factory): Same.
3383         (Target_arm::Target_arm): Initialize may_use_blx_ and
3384         should_force_pic_veneer_.
3385         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3386         Target_arm::should_force_pic_veneer,
3387         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3388         Target_arm::using_thumb_only, Target_arm:;default_target): New
3389         method defintions.
3390         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3391         New data member declarations.
3392         (Insn_template::size, Insn_template::alignment): New method defintions.
3393         (Stub_template::Stub_template): New method definition.
3394         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3395         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3396         (Stub_factory::Stub_factory): New method definition.
3397         * gold.h (string_hash): New template.
3398         * output.h (Input_section_specifier::hash_value): Use
3399         gold::string_hash.
3400         (Input_section_specifier::string_hash): Remove.
3401         * stringpool.cc (Stringpool_template::string_hash): Use
3402         gold::string_hash.
3403
3404 2009-10-20  Doug Kwan  <dougkwan@google.com>
3405
3406         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3407         symbols of relaxed input sections.
3408         * output.h (Output_section::find_relaxed_input_section): Make
3409         method public.
3410
3411 2009-10-16  Doug Kwan  <dougkwan@google.com>
3412
3413         * dynobj.cc (Versions::Versions): Initialize version_script_.
3414         Only insert base version symbol definition for a shared object
3415         if version script defines any version versions.
3416         (Versions::define_base_version): New method definition.
3417         (Versions::add_def): Check that base version is not needed.
3418         (Versions::add_need): Define base version lazily.
3419         * dynobj.h (Versions::define_base_version): New method declaration.
3420         (Versions::needs_base_version_): New data member declaration.
3421         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3422         (check_DATA): Add no_version_test.stdout.
3423         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3424         New make rules.
3425         * testsuite/Makefile.in: Regenerate.
3426         * testsuite/no_version_test.c: New file.
3427         * testsuite/no_version_test.sh: Ditto.
3428
3429 2009-10-16  Doug Kwan  <dougkwan@google.com>
3430
3431         * expression.cc (class Segment_start_expression): New class definition.
3432         (Segment_start_expression::value): New method definition.
3433         (script_exp_function_segment_start): Return a new
3434         Segment_start_expression.
3435         * gold/script-c.h (script_saw_segment_start_expression): New function
3436         prototype.
3437         * script-sections.cc (Script_sections::Script_sections): Initialize
3438         SAW_SEGMENT_START_EXPRESSION_ to false.
3439         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3440         and -Tbbs options to specify section addresses if given in
3441         command line and no SEGMENT_START expression is seen in a script.
3442         * script-sections.h (Script_sections::saw_segment_start_expression,
3443         Script_sections::set_saw_segment_start_expression): New method
3444         definition.
3445         (Script_sections::saw_segment_start_expression_): New data member
3446         declaration.
3447         * script.cc (script_saw_segment_start_expression): New function.
3448         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3449         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3450         script_test_7.sh and script_test_8.sh.
3451         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3452         script_test_8.stdout.
3453         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3454         (script_test_6, script_test_6.stdout, script_test_7,
3455         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3456         * Makefile.in: Regenerate.
3457         * testsuite/script_test_6.sh: New file.
3458         * testsuite/script_test_6.t: Same.
3459         * testsuite/script_test_7.sh: Same.
3460         * testsuite/script_test_7.t: Same.
3461         * testsuite/script_test_8.sh: Same.
3462
3463 2009-10-16  Doug Kwan  <dougkwan@google.com>
3464
3465         * output.cc (Output_segment::set_section_list_address): Cast
3466         expressions to unsigned long long type to avoid format warnings.
3467
3468 2009-10-15  Ian Lance Taylor  <iant@google.com>
3469
3470         * script.cc (Script_options::add_symbol_assignment): Always add a
3471         dot assignment to script_sections_.
3472         * script-sections.cc (Script_sections::add_dot_assignment):
3473         Initialize if necessary.
3474
3475         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3476         program headers with no load segment if there is a linker script.
3477
3478         * layout.cc (Layout::set_segment_offsets): Align the file offset
3479         to the segment aligment for -N or -n with no load segment.
3480         * output.cc (Output_segment::add_output_section): Don't crash if
3481         the first section is a TLS section.
3482         (Output_segment::set_section_list_addresses): Print an error
3483         message if the address moves backward in a linker script.
3484         * script-sections.cc
3485         (Output_section_element_input::set_section_addresses): Don't
3486         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3487         (Orphan_output_section::set_section_addresses): Likewise.
3488
3489 2009-10-15  Doug Kwan  <dougkwan@google.com>
3490
3491         * layout.cc (Layout::finish_dynamic_section): Generate tags
3492         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3493         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3494         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3495
3496 2009-10-14  Ian Lance Taylor  <iant@google.com>
3497
3498         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3499         fields.
3500         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3501         data_shdr fields of relinfo.
3502         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3503         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3504         R_386_TLS_LDO_32, adjust based on section flags.
3505         (Target_i386::Relocate::fix_up_ldo): Remove.
3506
3507 2009-10-13  Ian Lance Taylor  <iant@google.com>
3508
3509         Add support for -pie.
3510         * options.h (class General_options): Add -pie and
3511         --pic-executable.
3512         (General_options::output_is_position_independent): Test -pie.
3513         (General_options::output_is_executable): Return true if not shared
3514         and not relocatable.
3515         (General_options::output_is_pie): Remove.
3516         * options.cc (General_options::finalize): Reject incompatible uses
3517         of -pie.
3518         * gold.cc (queue_middle_tasks): A -pie link is not static.
3519         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3520         * symtab.cc (Symbol::final_value_is_known): Return false if
3521         output_is_position_independent.
3522         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3523         output_is_position_independent.
3524         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3525         output_is_position_independent.
3526         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3527         output_is_position_independent.
3528         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3529         two_file_pie_test.
3530         (basic_pie_test.o, basic_pie_test): New targets.
3531         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3532         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3533         (two_file_pie_test): New target.
3534         * testsuite/Makefile.in: Rebuild.
3535         * README: Remove note saying that -pie is not supported.
3536
3537 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3538
3539         * options.h (class General_options): Add -init and -fini.
3540         * layout.cc (Layout::finish_dynamic_section): Emit
3541         given init and fini functions.
3542
3543 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3544
3545         * gc.h (gc_process_relocs): Check if icf is enabled using new
3546         function.
3547         * gold.cc (queue_initial_tasks): Likewise.
3548         (queue_middle_tasks): Likewise.
3549         * object.cc (do_layout): Likewise.
3550         * symtab.cc (is_section_folded): Likewise.
3551         * main.cc (main): Likewise.
3552         * reloc.cc (Read_relocs::run): Likewise.
3553         (Sized_relobj::do_scan_relocs): Likewise.
3554         * icf.cc (is_function_ctor_or_dtor): New function.
3555         (Icf::find_identical_sections): Check if function is ctor or dtor when
3556         safe icf is chosen.
3557         * options.h (General_options::icf): Change option to be an enum.
3558         (Icf_status): New enum.
3559         (icf_enabled): New method.
3560         (icf_safe_folding): New method.
3561         (set_icf_status): New method.
3562         (icf_status_): New variable.
3563         * (options.cc) (General_options::finalize): Set icf_status_.
3564         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3565         icf_test and icf_keep_unique_test to use the --icf enum flag.
3566         * testsuite/icf_safe_test.sh: New file.
3567         * testsuite/icf_safe_test.cc: New file.
3568
3569 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3570
3571         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3572         includes to gc.h and icf.h.
3573         * arm.cc: Include gc.h.
3574         * gold.cc: Likewise.
3575         * i386.cc: Likewise.
3576         * powerpc.cc: Likewise.
3577         * sparc.cc: Likewise.
3578         * x86_64.cc: Likewise.
3579         * gc.h: Include icf.h.
3580
3581 2009-10-11  Ian Lance Taylor  <iant@google.com>
3582
3583         * plugin.cc: Include "gold.h" before other header files.
3584
3585 2009-10-10  Chris Demetriou  <cgd@google.com>
3586
3587         * options.h (Input_file_argument::Input_file_type): New enum.
3588         (Input_file_argument::is_lib_): Replace with...
3589         (Input_file_argument::type_): New member.
3590         (Input_file_argument::Input_file_argument): Take Input_file_type
3591         'type' rather than boolean 'is_lib' as second argument.
3592         (Input_file_argument::is_lib): Use type_.
3593         (Input_file_argument::is_searched_file): New function.
3594         (Input_file_argument::may_need_search): Handle is_searched_file.
3595         * options.cc (General_options::parse_library): Support -l:filename.
3596         (General_options::parse_just_symbols): Update for Input_file_argument
3597         changes.
3598         (Command_line::process): Likewise.
3599         * archive.cc (Archive::get_file_and_offset): Likewise.
3600         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3601         * script.cc (read_script_file, script_add_file): Likewise.
3602         * fileread.cc (Input_file::Input_file): Likewise.
3603         (Input_file::will_search_for): Handle is_searched_file.
3604         (Input_file::open): Likewise.
3605         * readsyms.cc (Read_symbols::get_name): Likewise.
3606         * testsuite/Makefile.am (searched_file_test): New test.
3607         * testsuite/Makefile.in: Regenerate.
3608         * testsuite/searched_file_test.cc: New file.
3609         * testsuite/searched_file_test_lib.cc: New file.
3610
3611 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3612             Ian Lance Taylor  <iant@google.com>
3613
3614         * descriptor.cc: Include <cstdio> and "binary-io.h".
3615         (Descriptors::open): Open the files in binary mode always.
3616         * script.cc (Lex::get_token): Treat \r as whitespace.
3617
3618 2009-10-09  Ian Lance Taylor  <iant@google.com>
3619
3620         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3621
3622 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3623             Ian Lance Taylor  <iant@google.com>
3624
3625         * configure.ac: Check for readv function also.
3626         * fileread.cc (readv): Define if not HAVE_READV.
3627         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3628         does not exist.
3629         * config.in: Regenerate.
3630         * configure: Regenerate.
3631
3632 2009-10-09  Doug Kwan  <dougkwan@google.com>
3633
3634         * layout.cc (Layout::make_output_section): Call target hook to make
3635         ordinary output section.
3636         (Layout::finalize): Adjust parameter list of call the
3637         Target::may_relax().
3638         * layout.h (class Layout::section_list): New method.
3639         * merge.h (Output_merge_base::entsize): Change visibility to public.
3640         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3641         New methods.
3642         (Output_merge_string::do_is_string): New method.
3643         * object.cc (Sized_relobj::do_setup): renamed from
3644         Sized_relobj::set_up.
3645         * object.h (Sized_relobj::adjust_shndx,
3646         Sized_relobj::initializ_input_to_output_maps,
3647         Sized_relobj::free_input_to_output_maps): Change visibilities to
3648         protected.
3649         (Sized_relobj::setup): Virtualize.
3650         (Sized_relobj::do_setup): New method declaration.
3651         (Sized_relobj::invalidate_section_offset,
3652         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3653         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3654         * options.cc (parse_int): New function.
3655         * options.h (parse_int): New declaration.
3656         (DEFINE_int): New macro.
3657         (stub_group_size): New option.
3658         * output.cc (Output_section::Output_section): Initialize memebers
3659         merge_section_map_, merge_section_by_properties_map_,
3660         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3661         (Output_section::add_input_section): Handled deferred code-fill
3662         generation and remove an old comment.
3663         (Output_section::add_relaxed_input_section): New method definition.
3664         (Output_section::add_merge_input_section): Use merge section by
3665         properties map to speed to search.  Update merge section maps
3666         as appropriate.
3667         (Output_section::build_relaxation_map): New method definition.
3668         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3669         Same.
3670         (Output_section::relax_input_section): Renamed to
3671         Output_section::convert_input_sections_to_relaxed_sections and change
3672         interface to take a vector of pointers to relaxed sections.
3673         (Output_section::find_merge_section,
3674         Output_section::find_relaxed_input_section): New method definitions.
3675         (Output_section::is_input_address_mapped,
3676         Output_section::output_offset, Output_section::output_address):
3677         Use output section data maps to speed up searching.
3678         (Output_section::find_starting_output_address): Add comments.
3679         (Output_section::do_write,
3680         Output_section::write_to_postprocessing_buffer): Do code-fill
3681         generation as appropriate.
3682         (Output_section::get_input_sections): Invalidate relaxed input section
3683         map.
3684         (Output_section::restore_states): Adjust type of checkpoint .
3685         Invalidate relaxed input section map.
3686         * output.h (Output_merge_base): New class declaration.
3687         (Input_section_specifier): New class defintion.
3688         (class Output_relaxed_input_section) Change base class to
3689         Output_section_data_build.
3690         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3691         base class initializer.
3692         (Output_section::add_relaxed_input_section): New method declaration.
3693         (Output_section::Input_section): Change visibility to protected.
3694         (Output_section::Input_section::relobj,
3695         Output_section::Input_section::shndx): Handle relaxed input sections.
3696         Output_section::input_sections) Change visibility to protected.  Also
3697         define overload to return a non-const pointer.
3698         (Output_section::Merge_section_properties): New class defintion.
3699         (Output_section::Merge_section_by_properties_map,
3700         Output_section::Output_section_data_by_input_section_map,
3701         Output_section::Relaxation_map): New types.
3702         (Output_section::relax_input_section): Rename method to
3703         Output_section::convert_input_sections_to_relaxed_sections and change
3704         interface to take a vector of relaxed section pointers.
3705         (Output_section::find_merge_section,
3706         Output_section::find_relaxed_input_section,
3707         Output_section::build_relaxation_map,
3708         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3709         New method declarations.
3710         (Output_section::merge_section_map_
3711         Output_section::merge_section_by_properties_map_,
3712         Output_section::relaxed_input_section_map_,
3713         Output_section::is_relaxed_input_section_map_valid_,
3714         Output_section::generate_code_fills_at_write_): New data members.
3715         * script-sections.cc
3716         (Output_section_element_input::set_section_addresses): Call
3717         current_data_size and addralign methods of relaxed input sections.
3718         (Orphan_output_section::set_section_addresses): Call current_data_size
3719         and addralign methods of relaxed input sections.
3720         * symtab.cc (Symbol_table::compute_final_value): Extract template
3721         from the body of Symbol_table::sized_finalize_symbol.
3722         (Symbol_table::sized_finalized_symbol): Call
3723         Symbol_table::compute_final_value.
3724         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3725         (Symbol_table::compute_final_value): New templated method declaration.
3726         * target.cc (Target::do_make_output_section): New method defintion.
3727         * target.h (Target::make_output_section): New method declaration.
3728         (Target::relax): Add more parameters for input objects, symbol table
3729         and layout.  Adjust call to do_relax.
3730         (Target::do_make_output_section): New method declaration.
3731         (Target::do_relax): Add parameters for input objects, symbol table
3732         and layout.
3733
3734 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3735
3736         * pread.c: Include stdio.h.
3737
3738 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3739
3740         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3741         defined.
3742
3743 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3744
3745         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3746         Change read_shndx type to unsigned int.
3747         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3748         int.
3749         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3750         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3751         Change read_shndx type to unsigned int.
3752         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3753         int.
3754         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3755         * layout.cc (Layout::create_symtab_sections): Cast the result of
3756         local_symcount * symsize to off_t in the gold_assert.
3757
3758 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3759
3760         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3761         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3762         R_ARM_BASE_ABS.
3763         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3764         (Arm_relocate_functions::thm_abs5): New function.
3765         (Arm_relocate_functions::abs12): New function.
3766         (Arm_relocate_functions::abs16): New function.
3767         (Arm_relocate_functions::base_abs): New function.
3768         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3769         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3770         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3771         R_ARM_BASE_ABS.
3772         (Scan::global): Likewise.
3773         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3774         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3775         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3776         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3777         R_ARM_BASE_ABS.
3778
3779 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3780
3781         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3782         (Arm_relocate_functions::movt_prel): New function.
3783         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3784         (Arm_relocate_functions::thm_movt_prel): New function.
3785         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3786         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3787         (Scan::global, Relocate::relocate): Likewise.
3788         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3789
3790 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3791
3792         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3793         Incremental_checker.
3794         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3795         unsigned int.
3796         (class Incremental_inputs_header): New class.
3797         (Incremental_inputs_header_writer): Edit comment.
3798         (Incremental_inputs_entry): New class.
3799         (Incremental_inputs_entry_writer): Edit comment.
3800         (Sized_incremental_binary::do_find_incremental_inputs_section):
3801         Add *strtab_shndx parameter, fill it.
3802         (Sized_incremental_binary::do_check_inputs): New method.
3803         (Incremental_checker::can_incrementally_link_output_file): Use
3804         Sized_incremental_binary::check_inputs.
3805         (Incremental_inputs::report_command_line): Save command line in
3806         command_line_.
3807         * incremental.h:
3808         (Incremental_binary::find_incremental_inputs_section): New
3809         method.
3810         (Incremental_binary::do_find_incremental_inputs_section): Add
3811         strtab_shndx parameter.
3812         (Incremental_binary::do_check_inputs): New pure virtual method.
3813         (Sized_incremental_binary::do_check_inputs): Declare.
3814         (Incremental_checker::Incremental_checker): Add incremental_inputs
3815         parameter, use it to initialize incremental_inputs_.
3816         (Incremental_checker::incremental_inputs_): New field.
3817         (Incremental_checker::command_line): New method.
3818         (Incremental_checker::inputs): New method.
3819         (Incremental_checker::command_line_): New field.
3820
3821 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3822
3823         * incremental.cc: Include <cstdarg> and "target-select.h".
3824         (vexplain_no_incremental): New function.
3825         (explain_no_incremental): New function.
3826         (Incremental_binary::error): New method.
3827         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3828         method.
3829         (make_sized_incremental_binary): New function.
3830         (open_incremental_binary): New function.
3831         (can_incrementally_link_file): Add checks if output is ELF and has
3832         inputs section.
3833         * incremental.h: Include "elfcpp_file.h" and "output.h".
3834         (Incremental_binary): New class.
3835         (Sized_incremental_binary): New class.
3836         (open_incremental_binary): Declare.
3837         * object.cc (is_elf_object): Use
3838         elfcpp::Elf_recognizer::is_elf_file.
3839         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3840         * output.h (Output_file::filesize): New method.
3841
3842 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3843
3844         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3845         New function.
3846         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3847         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3848         function.
3849         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3850         function.
3851         (Arm_relocate_functions::movw_abs_nc): New function.
3852         (Arm_relocate_functions::movt_abs): New function.
3853         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3854         (Arm_relocate_functions::thm_movt_abs): New function.
3855         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3856         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3857         (Scan::global): Likewise.
3858         (Relocate::relocate): Likewise.
3859         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3860
3861 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3862
3863         * arm.cc (Arm_relocate_functions::got_prel) New function.
3864         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3865         (Relocate::relocate): Likewise.
3866         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3867
3868 2009-10-06  Ian Lance Taylor  <iant@google.com>
3869
3870         * options.h (class General_options): Define
3871         split_stack_adjust_size parameter.
3872         * object.h (class Object): Add uses_split_stack_ and
3873         has_no_split_stack_ fields.  Add uses_split_stack and
3874         has_no_split_stack accessor functions.  Declare
3875         handle_split_stack_section.
3876         (class Reloc_symbol_changes): Define.
3877         (class Sized_relobj): Define Function_offsets.  Declare
3878         split_stack_adjust, split_stack_adjust_reltype, and
3879         find_functions.
3880         * object.cc (Object::handle_split_stack_section): New function.
3881         (Sized_relobj::do_layout): Call handle_split_stack_section.
3882         * dynobj.cc (Sized_dynobj::do_layout): Call
3883         handle_split_stack_section.
3884         * reloc.cc (Sized_relobj::relocate_sections): Call
3885         split_stack_adjust for executable sections in split_stack
3886         objects.  Pass reloc_map to relocate_section.
3887         (Sized_relobj::split_stack_adjust): New function.
3888         (Sized_relobj::split_stack_adjust_reltype): New function.
3889         (Sized_relobj::find_functions): New function.
3890         * target-reloc.h: Include "object.h".
3891         (relocate_section): Add reloc_symbol_changes parameter.  Change
3892         all callers.
3893         * target.h (class Target): Add calls_non_split method.  Declare
3894         do_calls_non_split virtual method.  Declare match_view and
3895         set_view_to_nop.
3896         * target.cc: Include "elfcpp.h".
3897         (Target::do_calls_non_split): New function.
3898         (Target::match_view): New function.
3899         (Target::set_view_to_nop): New function.
3900         * gold.cc (queue_middle_tasks): Give an error if mixing
3901         split-stack and non-split-stack objects with -r.
3902         * i386.cc (Target_i386::relocate_section): Add
3903         reloc_symbol_changes parameter.
3904         (Target_i386::do_calls_non_split): New function.
3905         * x86_64.cc (Target_x86_64::relocate_section): Add
3906         reloc_symbol_changes parameter.
3907         (Target_x86_64::do_calls_non_split): New function.
3908         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3909         parameter.
3910         * powerpc.cc (Target_powerpc::relocate_section): Add
3911         reloc_symbol_changes parameter.
3912         * sparc.cc (Target_sparc::relocate_section): Add
3913         reloc_symbol_changes parameter.
3914         * configure.ac: Call AM_CONDITIONAL for the default target.
3915         * configure: Rebuild.
3916         * testsuite/Makefile.am (TEST_AS): New variable.
3917         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3918         (check_DATA): Add split_i386 and split_x86_64 files.
3919         (SPLIT_DEFSYMS): Define.
3920         (split_i386_[1234n].o): New targets.
3921         (split_i386_[124]): New targets.
3922         (split_i386_[1234r].stdout): New targets.
3923         (split_x86_64_[1234n].o): New targets.
3924         (split_x86_64_[124]): New targets.
3925         (split_x86_64_[1234r].stdout): New targets.
3926         (MOSTLYCLEANFILES): Add new executables.
3927         * testsuite/split_i386.sh: New file.
3928         * testsuite/split_x86_64.sh: New file.
3929         * testsuite/split_i386_1.s: New file.
3930         * testsuite/split_i386_2.s: New file.
3931         * testsuite/split_i386_3.s: New file.
3932         * testsuite/split_i386_4.s: New file.
3933         * testsuite/split_i386_n.s: New file.
3934         * testsuite/split_x86_64_1.s: New file.
3935         * testsuite/split_x86_64_2.s: New file.
3936         * testsuite/split_x86_64_3.s: New file.
3937         * testsuite/split_x86_64_4.s: New file.
3938         * testsuite/split_x86_64_n.s: New file.
3939         * testsuite/testfile.cc (Target_test): Update relocation_section
3940         function.
3941         * testsuite/Makefile.in: Rebuild.
3942
3943 2009-10-06  Ian Lance Taylor  <iant@google.com>
3944
3945         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3946         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3947         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3948         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3949         the address on ldo_addrs_.
3950         (Target_i386::Relocate::fix_up_ldo): New function.
3951
3952 2009-10-06   Rafael Espindola  <espindola@google.com>
3953
3954         * plugin.cc (add_input_library): New.
3955         (Plugin::load): Add add_input_library to tv.
3956         (Plugin_manager::add_input_file): Add the is_lib argument.
3957         (add_input_file): Update call to Plugin_manager::add_input_file.
3958         (add_input_library): New.
3959         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3960
3961 2009-09-30  Doug Kwan  <dougkwan@google.com>
3962
3963         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3964         symbol and call Symbol::may_need_copy_reloc to determine if
3965         a copy reloc is needed.
3966         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3967         nocopyreloc is given in command line.
3968         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3969         given in command line.
3970         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3971         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3972         of the removed Target_i386::may_need_copy_reloc.
3973         * options.h (copyreloc): New option with default value false.
3974         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3975         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3976         instead of the removed Target_powerpc::may_need_copy_reloc.
3977         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3978         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3979         instead of the removed Target_sparc::may_need_copy_reloc.
3980         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3981         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3982         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3983         instead of the removed Target_x86_64::may_need_copy_reloc.
3984
3985 2009-09-30  Ian Lance Taylor  <iant@google.com>
3986
3987         * object.h (class Object): Remove target_ field, and target,
3988         sized_target, and set_target methods.
3989         (Object::sized_target): Remove.
3990         (class Sized_relobj): Update declarations.  Remove sized_target.
3991         * object.cc (Sized_relobj::setup): Remove target parameter.
3992         Change all callers.
3993         (Input_objects::add_object): Don't do anything with the target.
3994         (make_elf_sized_object): Add punconfigured parameter.  Change all
3995         callers.  Set or test parameter target.
3996         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3997         Change all callers.
3998         * parameters.cc (Parameters::set_target): Change parameter type to
3999         be non-const.
4000         (Parameters::default_target): Remove.
4001         (set_parameters_target): Change parameter type to be non-const.
4002         (parameters_force_valid_target): New function.
4003         (parameters_clear_target): New function.
4004         * parameters.h (class Parameters): Update declarations.  Remove
4005         default_target method.  Add sized_target and clear_target
4006         methods.  Change target_ to be non-const.
4007         (set_parameters_target): Update declaration.
4008         (parameters_force_valid_target): Declare.
4009         (parameters_clear_target): Declare.
4010         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
4011         as NULL if we aren't searching.
4012         (Add_symbols::run): Don't check for compatible target.
4013         * fileread.cc (Input_file::open_binary): Call
4014         parameters_force_valid_target.
4015         * gold.cc (queue_middle_tasks): Likewise.
4016         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
4017         set_target on object.
4018         * dynobj.h (class Sized_dynobj): Update declarations.
4019         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
4020         make_elf_object returns NULL.
4021         (Archive::include_member): Don't check whether object target is
4022         compatible.
4023         * output.cc (Output_section::add_input_section): Get target from
4024         parameters.
4025         (Output_section::relax_input_section): Likewise.
4026         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
4027         parameters.
4028         (Sized_relobj::do_scan_relocs): Likewise.
4029         (Sized_relobj::relocate_sections): Likewise.
4030         * resolve.cc (Symbol_table::resolve): Likewise.
4031         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
4032         parameter.  Change all callers.
4033         (Symbol_table::add_from_object): Get target from parameters.
4034         (Symbol_table::add_from_relobj): Don't check object target.
4035         (Symbol_table::add_from_dynobj): Likewise.
4036         (Symbol_table::define_special_symbol): Get target from
4037         parameters.
4038         * symtab.h (class Symbol_table): Update declaration.
4039         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
4040         parameter.  Change all callers.  Clear parameter target.
4041         (Binary_test): Test target here.
4042         * testsuite/object_unittest.cc (gold_testsuite): Remove
4043         target_test_pointer parameter.  Change all callers.
4044         (Object_test): Test target here.
4045
4046 2009-09-26  Ian Lance Taylor  <iant@google.com>
4047
4048         * testsuite/initpri1.c: Don't try to use constructor priorities if
4049         compiling with gcc before 4.3.
4050
4051 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
4052
4053         * testsuite/retain_symbols_file_test.sh (check_present): Change
4054         output file name to retain_symbols_file_test.stdout.
4055         (check_absent): Likewise.
4056
4057 2009-09-18  Craig Silverstein  <csilvers@google.com>
4058
4059         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
4060         * options.cc: Include <cerrno> and <fstream>.
4061         (General_options::finalize): Parse -retain-symbols-file tag.
4062         * options.h: New flag.
4063         (General_options): New method should_retain_symbol, new
4064         variable symbols_to_retain.
4065         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
4066         should_retain_symbol map.
4067         * testsuite/Makefile.am (retain_symbols_file_test): New test.
4068         * testsuite/Makefile.in: Regenerate.
4069         * testsuite/retain_symbols_file_test.sh: New file.
4070
4071 2009-09-18  Nick Clifton  <nickc@redhat.com>
4072
4073         * po/es.po: Updated Spanish translation.
4074
4075 2009-09-17  Doug Kwan  <dougkwan@google.com>
4076
4077         * debug.h (DEBUG_RELAXATION): New constant.
4078         (DEBUG_ALL): Add DEBUG_RELAXATION.
4079         (debug_string_to_enum): Add relaxation debug option.
4080         * layout.cc
4081         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
4082         Layout::Relaxation_debug_check::read_sections,
4083         Layout::Relaxation_debug_check::read_sections): New method definitions.
4084         (Layout::Layout): Initialize data members
4085         record_output_section_data_from_scrips_,
4086         script_output_section_data_list_ and relaxation_debug_check_.
4087         (Layout::save_segments, Layout::restore_segments,
4088         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4089         Layout::relaxation_loop_body): New method definitions.
4090         (Layout::finalize): Support relaxation.  Move section layout code to
4091         Layout::relaxation_loop_body.
4092         (Layout::set_asection_address_from_script): Move code for orphan
4093         section placement out.
4094         (Layout::place_orphan_sections_in_script): New method definition.
4095         * layout.h (Output_segment_headers, Output_file_header):
4096         New forward class declarations.
4097         (Layout::~Layout): Define.
4098         (Layout::new_output_section_data_from_script): New method definition.
4099         (Layout::place_orphan_sections_in_script): New method declaration.
4100         (Layout::Segment_states): New type declaration.
4101         (Layout::save_segments, Layout::restore_segments,
4102         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4103         Layout::relaxation_loop_body): New method declarations.
4104         (Layout::Output_section_data_list): New type declaration.
4105         (Layout::Relaxation_debug_check): New class definition.
4106         (Layout::record_output_section_data_from_script_,
4107         Layout::script_output_section_data_list_, Layout::segment_states_,
4108         Layout::relaxation_debug_check_): New data members.
4109         * output.cc: (Output_section_headers::do_size): New method definition.
4110         (Output_section_headers::Output_section_headers): Move size
4111         computation to Output_section_headers::do_size.
4112         (Output_segment_headers::do_size): New method definition.
4113         (Output_file_header::Output_file_header): Move size computation to
4114         Output_file_header::do_size and call it.
4115         (Output_file_header::do_size): New method definition.
4116         (Output_data_group::Output_data_group): Adjust call to
4117         Output_section_data.
4118         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
4119         (Output_symtab_xindex::do_write): Add array bound check.
4120         (Output_section::Input_section::print_to_mapfile): Handle
4121         RELAXED_INPUT_SECTION_CODE.
4122         (Output_section::Output_section): Initialize data member checkpoint_.
4123         (Output_section::~Output_section): Delete checkpoint object pointed
4124         by checkpoint_.
4125         (Output_section::add_input_section): Always add an Input_section if
4126         relaxing.
4127         (Output_section::add_merge_input_section): Add assert.
4128         (Output_section::relax_input_section): New method definition.
4129         (Output_section::set_final_data_size): Set load address to zero for
4130         an unallocated section.
4131         (Output_section::do_address_and_file_offset_have_reset_values):
4132         New method definition.
4133         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
4134         Handle relaxed input section.
4135         (Output_section::sort_attached_input_sections): Checkpoint input
4136         section list lazily.
4137         (Output_section::get_input_sections): Change type of input_sections to
4138         list of Simple_input_section pointers.  Checkpoint input section list
4139         lazily.  Also handle relaxed input sections.
4140         (Output_section::add_input_section_for_script): Take a reference to
4141         a Simple_input_section object instead of Relobj pointer and section
4142         index as parameter.  Handle relaxed input sections.
4143         (Output_section::save_states, Output_section::restore_states): New
4144         method definitions.
4145         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
4146         (Output_data::is_data_size_fixed): New method definition.
4147         (Output_data::reset_addresss_and_file_offset): Do not reset data size
4148         if it is fixed.
4149         (Output_data::address_and_file_offset_have_reset_values): New method
4150         definition.
4151         (Output_data::do_address_and_file_offset_have_reset_values): New method
4152         definition.
4153         (Output_data::set_data_size): Check that data size is not fixed.
4154         (Output_data::fix_data_size): New method definition.
4155         (Output_data::is_data_size_fixed_): New data member.
4156         (Output_section_headers::set_final_data_size): New method definition.
4157         (Output_section_headers::do_size): New method declaration.
4158         (Output_segment_headers::set_final_data_size): New method definition.
4159         (Output_segment_headers::do_size): New method declaration.
4160         (Output_file_header::set_final_data_size)::New method definition.
4161         (Output_file_header::do_size)::New method declaration.
4162         (Output_section_data::Output_section_data): Add new parameter
4163         is_data_size_fixed and use it to fix data size.
4164         (Output_data_const::Output_data_const): Adjust call to base class
4165         constructor and fix data size.
4166         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
4167         base class constructor and fix data size.
4168         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
4169         base class constructor and fix data size.
4170         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
4171         class constructor and fix data size.
4172         (Output_data_group::set_final_data_size): New method definition.
4173         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
4174         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
4175         class constructor and fix data size.
4176         (Output_relaxed_input_section): New class definition.
4177         (Output_section::Simple_input_section): New class definition.
4178         (Output_section::get_input_sections): Adjust parameter list.
4179         (Output_section::add_input_section_for_script): Same.
4180         (Output_section::save_states, Output_section::restore_states,
4181         Output_section::do_address_and_file_offset_have_reset_values,
4182         (Output_section::Input_section::Input_section): Handle
4183         RELAXED_INPUT_SECTION_CODE.  Add new overload for
4184         Output_relaxed_input_section.
4185         (Output_section::Input_section::is_input_section,
4186         Output_section::Input_section::set_output_section): Handle relaxed
4187         input section.
4188         (Output_section::Input_section::is_relaxed_input_section,
4189         Output_section::Input_section::output_section_data,
4190         Output_section::Input_section::relaxed_input_section): New method
4191         definitions.
4192         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
4193         value.
4194         (Output_section::Input_section::u1_): Update comments.
4195         (Output_section::Input_section::u2_): Add new union member poris.
4196         (Output_section::Checkpoint_output_section): New classs definition.
4197         (Output_section::relax_input_section): New method declaration.
4198         (Output_section::checkpoint_): New data member.
4199         (Output_segment): Update comments.
4200         (Output_segment::Output_segment): Un-privatize copy constructor.
4201         (Output_segment::operator=): Un-privatize.
4202         * script-sections.cc (Output_section_element::Input_section_list):
4203         Change element type to Output_section::Simple_input_section.
4204         (Output_section_element_dot_assignment::set_section_addresses):
4205         Register output section data for relaxation clean up.
4206         (Output_data_exression::Output_data_expression): Adjust call to base
4207         constructor to fix data size.
4208         (Output_section_element_data::set_section_addresses): Register
4209         Output_data_expression object for relaxation clean up.
4210         (struct Input_section_info): Replace Relobj pointer and section index
4211         pair with Output_section::Simple_input_section and Convert struct to a
4212         class.
4213         (Input_section_sorter::operator()): Adjust access to
4214         Input_section_info data member to use accessors.
4215         (Output_section_element_input::set_section_addresses): Use layout
4216         parameter.  Adjust code to use Output_section::Simple_input_section
4217         and Input_secction_info classes.  Register filler for relaxation
4218         clean up.
4219         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
4220         and section index pair with Output_section::Simple_input_section
4221         class.  Adjust code accordingly.
4222         (Phdrs_element::release_segment): New method definition.
4223         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
4224         segment list.
4225         (Script_sections::release_segments): New method definition.
4226         * gold/script-sections.h (Script_sections::release_segments): New
4227         method declaration.
4228         * gold/target.h (Target::may_relax, Target::relax,
4229         Target::do_may_relax, Target::do_relax): New method definitions.
4230
4231 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4232
4233         * arm.cc (has_signed_unsigned_overflow): New function.
4234         (Arm_relocate_functions::abs8): New function.
4235         (Target_arm::Scan::local): Handle R_ARM_ABS8.
4236         (Target_arm::Scan::global): Likewise.
4237         (Target_arm::relocate::relocate): Likewise.
4238         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4239         Likewise.
4240
4241 2009-09-16  Cary Coutant  <ccoutant@google.com>
4242
4243         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
4244         * testsuite/Makefile.in: Regenerate.
4245
4246 2009-09-11  Nick Clifton  <nickc@redhat.com>
4247
4248         * po/gold.pot: Updated by the Translation project.
4249
4250 2009-09-08  Cary Coutant  <ccoutant@google.com>
4251
4252         * output.cc (Output_file::open): Add execute permission to empty file.
4253         * testsuite/Makefile.am (permission_test): New test.
4254         * testsuite/Makefile.in: Regenerate.
4255
4256 2009-09-02  Ian Lance Taylor  <iant@google.com>
4257
4258         * output.cc (Output_file::resize): Call map_no_anonymous rather
4259         than map.
4260
4261 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
4262
4263         * gold.cc: Include "incremental.h".
4264         (queue_initial_tasks): Call Incremental_checker methods.
4265         * incremental.cc: Include "output.h".
4266         (Incremental_checker::can_incrementally_link_output_file): New
4267         method.
4268         * incremental.h (Incremental_checker): New class.
4269
4270         * output.cc (Output_file::open_for_modification): New method.
4271         (Output_file::map_anonymous): Changed return type to bool.  Record
4272         map in base_ field.
4273         (Output_file::map_no_anonymous): New method, broken out of map.
4274         (Output_file::map): Use map_no_anonymous and map_anonymous.
4275         * output.h (class Output_file): Update declarations.
4276
4277 2009-08-24  Cary Coutant  <ccoutant@google.com>
4278
4279         * options.h (Command_line::Pre_options): New class.
4280         (Command_line::pre_options): New member.
4281         * options.cc (gold::options::ready_to_register): New variable.
4282         (One_option::register_option): Do nothing if not registering options.
4283         Assert if same short option registered twice.
4284         (General_options::General_options): Turn off option registration when
4285         done constructing.
4286         (Command_line::Pre_options::Pre_options): New constructor.
4287
4288 2009-08-24  Cary Coutant  <ccoutant@google.com>
4289
4290         * options.h (General_options::no_keep_memory): Remove incorrect
4291         short option.
4292
4293 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4294
4295         * Makefile.am (am__skiplex, am__skipyacc): New.
4296         * Makefile.in: Regenerate.
4297
4298 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4299
4300         * Makefile.am (AM_CPPFLAGS): Renamed from ...
4301         (INCLUDES): ... this.
4302         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
4303         (AM_CPPFLAGS): Renamed from ...
4304         (INCLUDE): ... this.
4305         * Makefile.in, testsuite/Makefile.in: Regenerate.
4306
4307         * Makefile.in: Regenerate.
4308         * aclocal.m4: Likewise.
4309         * config.in: Likewise.
4310         * configure: Likewise.
4311         * testsuite/Makefile.in: Likewise.
4312
4313         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4314         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4315         * Makefile.in: Regenerate.
4316         * testsuite/Makefile.in: Regenerate.
4317
4318 2009-08-19  Cary Coutant  <ccoutant@google.com>
4319
4320         * resolve.cc (Symbol_table::resolve): Don't complain about defined
4321         symbols in shared libraries overridden by hidden or internal symbols
4322         in the main program.
4323
4324 2009-08-19  Chris Demetriou  <cgd@google.com>
4325
4326         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
4327         checking source file names in error messages.
4328
4329 2009-08-18  Doug Kwan  <dougkwan@google.com>
4330
4331         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
4332         an elcpp::Ehdr as parameter.  Adjust call to set_target.
4333         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
4334         an elfcpp::Ehdr as parameter.
4335         * object.cc (Object::set_target): Remove the version that looks up
4336         a target and sets it.
4337         (Sized_relobj::setup): Take a Target object instead of
4338         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
4339         (make_elf_sized_object): Find target and ask target to
4340         make an ELF object.
4341         * object.h: (Object::set_target): Remove the version that looks up
4342         a target and sets it.
4343         (Sized_relobj::setup): Take a Target object instead of
4344         an elfcpp:Ehdr as parameter.
4345         * target.cc: Include dynobj.h.
4346         (Target::do_make_elf_object_implementation): New.
4347         (Target::do_make_elf_object): New.
4348         * target.h (Target::make_elf_object): New template declaration.
4349         (Target::do_make_elf_object): New method declarations.
4350         (Target::do_make_elf_object_implementation): New template declaration.
4351
4352 2009-08-14  Ian Lance Taylor  <iant@google.com>
4353
4354         * gold.h (FUNCTION_NAME): Define.
4355         (gold_unreachable): Use FUNCTION_NAME.
4356
4357 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4358
4359         * icf.cc (Icf::find_identical_sections): Issue a warning when a
4360         symbol in the --keep-unique list is not found.
4361
4362 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4363
4364         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
4365         been maked as --keep-unique.
4366         (Icf::unfold_section): New function.
4367         * icf.h (Icf::unfold_section): New function.
4368         * options.h (General_options::keep_unique): New option.
4369         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
4370         * testsuite/Makefile.in: Regenerate.
4371         * testsuite/icf_keep_unique_test.sh: New file.
4372         * testsuite/icf_keep_unique_test.cc: New file.
4373
4374 2009-08-12  Cary Coutant  <ccoutant@google.com>
4375
4376         PR 10471
4377         * resolve.cc (Symbol_table::resolve): Check for references from
4378         dynamic objects to hidden and internal symbols.
4379         * testsuite/Makefile.am (hidden_test.sh): New test.
4380         * testsuite/Makefile.in: Regenerate.
4381         * testsuite/hidden_test.sh: New script.
4382         * testsuite/hidden_test_1.c: New test source.
4383         * testsuite/hidden_test_main.c: New test source.
4384
4385 2009-08-11  Doug Kwan  <dougkwan@google.com>
4386
4387         * arm.cc: Update comments.
4388         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4389         segment to locate the .ARM.exidx section if present.
4390
4391 2009-08-09  Doug Kwan  <dougkwan@google.com>
4392
4393         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4394         patch.
4395
4396 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
4397         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4398         compiler warnings.
4399
4400 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
4401
4402         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4403         valid tls_segment only for non-debug-section relocations.
4404         * testsuite/Makefile.am: Add gc_tls_test.
4405         * testsuite/Makefile.in: Regenerate.
4406         * testsuite/gc_tls_test.cc: New file.
4407         * testsuite/gc_tls_test.sh: New file.
4408
4409 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4410
4411         * icf.cc: New file.
4412         * icf.h: New file.
4413         * Makefile.am (CCFILES): Add icf.cc.
4414         (HFILES): Add icf.h
4415         * Makefile.in: Regenerate.
4416         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4417         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4418         section, symbol and addend information for the relocs.
4419         * gold.cc (queue_middle_tasks): Call identical code folding.
4420         * gold.h: Add defines for multimap.
4421         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4422         to the call of finalize_local_symbols.
4423         * main.cc (main): Create object of class Icf.
4424         * object.cc (Sized_relobj::do_layout): Allow this function to be
4425         called twice during icf.
4426         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4427         to sections marked as identical by icf.
4428         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4429         when available.
4430         (Sized_relobj::do_section_entsize): New function.
4431         * object.h (Object::section_entsize): New function.
4432         (Object::do_section_entsize): New pure virtual function.
4433         (Relobj::finalize_local_symbols): Add new parameter.
4434         (Relobj::do_section_entsize): New function.
4435         * options.h (General_options::icf): New option.
4436         (General_options::icf_iterations): New option.
4437         (General_options::print_icf_sections): New option.
4438         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4439         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4440         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4441         icf.
4442         * symtab.cc (Symbol_table::is_section_folded): New function.
4443         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4444         to sections marked as identical by icf.
4445         * symtab.h (Symbol_table::set_icf): New function.
4446         (Symbol_table::icf): New function.
4447         (Symbol_table::is_section_folded): New function.
4448         (Symbol_table::icf_): New data member.
4449         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4450         * testsuite/Makefile.am: Add commands to build icf_test.
4451         * testsuite/Makefile.in: Regenerate.
4452         * testsuite/icf_test.sh: New file.
4453         * testsuite/icf_test.cc: New file.
4454
4455 2009-07-24  Chris Demetriou  <cgd@google.com>
4456
4457         * layout.cc (is_compressible_debug_section): Fix incorrect
4458         comment about compressed section names.
4459
4460 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4461
4462         PR 10419
4463         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4464
4465 2009-07-16  Ian Lance Taylor  <iant@google.com>
4466
4467         PR 10400
4468         * layout.h: #include <map>.
4469         (class Kept_section): Change from struct to class.  Add accessors
4470         and setters.  Add section size to Comdat_group mapping.  Change
4471         Comdat_group to std::map.  Add is_comdat_ field.  Add
4472         linkonce_size field in union.
4473         (class Layout): Update declaration of find_or_add_kept_section.
4474         Don't declare find_kept_object.
4475         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4476         parameter.  Add object, shndx, is_comdat, and is_group_name
4477         parameters.  Change all callers.  Adjust for new Kept_section.
4478         (Layout::find_kept_object): Remove.
4479         * object.cc (Sized_relobj::include_section_group): Update use of
4480         Kept_section.  Rename secnum to shndx.  Only record
4481         Kept_comdat_section if sections are the same size.
4482         (Sized_relobj::include_linkonce_section): Update use of
4483         Kept_section.  Only record Kept_comdat_section if sections are the
4484         same size.  Set size of linkonce section.
4485         (Sized_relobj::map_to_kept_section): Update call to
4486         get_kept_comdat_section.
4487         * object.h (class Sized_relobj): Rename fields in
4488         Kept_comdat_section to drop trailing underscores; change object
4489         field to Relobj*.  Change Kept_comdat_section_table to store
4490         struct rather than pointer.
4491         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4492         Add kept_object and kept_shndx parameters.  Change all callers.
4493         (Sized_relobj::get_kept_comdat_section): Change return type to
4494         bool.  Add kept_object and kept_shndx parameters.  Change all
4495         callers.
4496         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4497         Layout::find_or_add_kept_section.
4498
4499 2009-07-09  Ian Lance Taylor  <iant@google.com>
4500
4501         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4502         Reserve space in the hash table.
4503
4504 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4505
4506         * fileread.cc (File_read::get_mtime): New method.
4507         * fileread.h (Timespec): New structure.
4508         (File_read::get_mtime): New method.
4509         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4510         Renamed from timestamp_nsec.
4511         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4512         Elf_Xword.
4513         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
4514         timestamp_nsec.
4515         (Incremental_inputs::report_archive): Save mtime; style fix.
4516         (Incremental_inputs::report_obejct): Save mtime; style fix.
4517         (Incremental_inputs::report_script): Save mtime; style fix.
4518         (Incremental_inputs::finalize_inputs): Style fix.
4519         (Incremental_inputs::finalize): Style fix.
4520         (Incremental_inputs::create_input_section_data): Store inputs
4521         mtime.
4522         * incremental.h (Incremental_inputs::report_script): Add mtime
4523         argument.
4524         (Incremental_inputs::Input_info::Input_info): Intialize only one
4525         union member.
4526         (Incremental_inputs::Input_info::archive): Move to nameless
4527         union.
4528         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4529         (Incremental_inputs::Input_info::script): Move to nameless union.
4530         (Incremental_inputs::mtime): New field.
4531         * script.cc (read_input_script): Pass file mtime to
4532         Incremental_input.
4533         * script.h (Script_info::inputs): Style fix.
4534
4535 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4536
4537         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4538         instead of 32.
4539
4540 2009-06-24  Ian Lance Taylor  <iant@google.com>
4541
4542         PR 10156
4543         * layout.cc (Layout::choose_output_section): If we find an
4544         existing section, update the flags.
4545         (Layout::create_notes): New function, broken out of
4546         Layout::finalize.
4547         (Layout::finalize): Don't create note sections.
4548         (Layout::create_note): Don't crash if linker script discards
4549         section.
4550         (Layout::create_gold_note): Likewise.
4551         (Layout::create_build_id): Likewise.  Don't set
4552         after_input_sections on the section.
4553         (Layout::create_executable_stack_info): Remove target parameter.
4554         Change caller.
4555         * layout.h (class Layout): Declare create_notes.  Update
4556         declaration of create_executable_stack_info.
4557         * gold.cc (queue_middle_tasks): Call create_notes.
4558         * output.cc (Output_section::update_flags_for_input_section): Move
4559         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4560         invalid.
4561         * output.h (Output_data::mark_address_invalid): New function.
4562         (class Output_section): Only declare, not define,
4563         update_flags_for_input_section.  Remove set_flags.
4564
4565 2009-06-24  Ian Lance Taylor  <iant@google.com>
4566
4567         * script-sections.cc (Output_section_definition::
4568         set_section_addresses): Rename shadowing local load_address to
4569         laddr.
4570
4571 2009-06-24  Ian Lance Taylor  <iant@google.com>
4572
4573         PR 10244
4574         * reloc.cc (relocate_sections): Skip empty relocation sections.
4575
4576 2009-06-23  Ian Lance Taylor  <iant@google.com>
4577
4578         PR 10156
4579         * layout.cc (Layout::create_note): Use choose_output_section
4580         rather than make_output_section.
4581
4582 2009-06-23  Ian Lance Taylor  <iant@google.com>
4583
4584         PR 10237
4585         * options.cc (General_options::parse_V): Set printed_version_.
4586         (General_options::General_options): Initialize printed_version_.
4587         * options.h (class General_options): Add printed_version_ field.
4588         * gold.cc (queue_initial_tasks): If there are no input files,
4589         don't give a fatal error if we printed the version information.
4590         (queue_middle_tasks): If using -r with a shared object, give a
4591         fatal error rather than an ordinary error.
4592
4593 2009-06-23  Ian Lance Taylor  <iant@google.com>
4594
4595         PR 10219
4596         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4597         (Layout::make_output_section): Set have_stabstr_section_ if we see
4598         a .stab*str section.
4599         (Layout::finalize): Call link_stabs_sections.
4600         (Layout::link_stabs_sections): New file.
4601         * layout.h (class Layout): Add have_stabstr_section_ field.
4602         Declare link_stabs_sections.
4603
4604 2009-06-23  Doug Kwan  <dougkwan@google.com>
4605
4606         * Makefile.am (libgold_a_LIBADD): New.
4607         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4608         * Makefile.in: Regenerate.
4609         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4610         * configure: Regenerate.
4611         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4612         * fileread.cc: Include sys/state.h
4613         * gold.h: Declare memmem and strndup if found missing.
4614         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4615
4616 2009-06-23  Ian Lance Taylor  <iant@google.com>
4617
4618         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4619         * configure: Rebuild.
4620
4621 2009-06-23  Ian Lance Taylor  <iant@google.com>
4622
4623         PR 10147
4624         * object.cc (Object::section_contents): Don't try to get a view if
4625         the section has length zero.
4626         (Object::handle_gnu_warning_section): If the section is empty, use
4627         the name of the section as the warning.
4628
4629 2009-06-23  Ian Lance Taylor  <iant@google.com>
4630
4631         PR 10133
4632         * stringpool.h (class Stringpool_template): Add optimize_ field.
4633         (Stringpool_template::set_optimize): New function.
4634         * stringpool.cc (Stringpool_template::Stringpool_template):
4635         Initialize optimize_ field.
4636         (Stringpool_template::set_string_offsets): Test local optimize
4637         fild rather than parameter.
4638         * layout.cc (Layout::Layout): Call set_optimize on the section
4639         name stringpool.
4640
4641 2009-06-22  Ian Lance Taylor  <iant@google.com>
4642
4643         PR 10030
4644         * yyscript.y: Parse TARGET.
4645         * script.cc (script_set_target): New function.
4646         * script-c.h (script_set_target): Declare.
4647         * options.cc (General_options::string_to_object_format): Rename
4648         from string_to_object_format in anonymous namespace.  Change
4649         callers.
4650         * options.h (class General_options): Declare
4651         string_to_object_format.
4652
4653 2009-06-22  Ian Lance Taylor  <iant@google.com>
4654
4655         * script-sections.cc (Script_sections::create_segments): Don't put
4656         program headers in a PT_LOAD segment if -n or -N.
4657
4658 2009-06-22  Ian Lance Taylor  <iant@google.com>
4659
4660         PR 10141
4661         * options.h (class General_options): Add -z lazy and -z now.  Sort
4662         -z options into alphabetical order.
4663         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4664
4665 2009-06-21  Ian Lance Taylor  <iant@google.com>
4666
4667         * layout.cc (Layout::make_output_section): Call
4668         Target::new_output_section.
4669         (Layout::attach_allocated_section_to_segment): Put large section
4670         sections in a separate load segment with the large segment flag
4671         set.
4672         (Layout::segment_precedes): Sort large data segments after other
4673         load segments.
4674         (align_file_offset): New static function.
4675         (Layout::set_segment_offsets): Use align_file_offset.
4676         * output.h (class Output_section): Add is_small_section_ and
4677         is_large_section_ fields.
4678         (Output_section::is_small_section): New function.
4679         (Output_section::set_is_small_section):  New function.
4680         (Output_section::is_large_section): New function.
4681         (Output_section::set_is_large_section): New function.
4682         (Output_section::is_large_data_section): New function.
4683         (class Output_segment): Add is_large_data_segment_ field.
4684         (Output_segment::is_large_data_segment): New function.
4685         (Output_segment::set_is_large_data_segment): New function.
4686         * output.cc (Output_section::Output_section): Initialize new
4687         fields.
4688         (Output_segment::Output_segment): Likewise.
4689         (Output_segment::add_output_section): Add assertion that large
4690         data sections always go in large data segments.  Force small data
4691         sections to the end of the list of data sections.  Force small BSS
4692         sections to the start of the list of BSS sections.  For large BSS
4693         sections to the end of the list of BSS sections.
4694         * symtab.h (class Symbol): Declare is_common_shndx.
4695         (Symbol::is_defined): Check Symbol::is_common_shndx.
4696         (Symbol::is_common): Likewise.
4697         (class Symbol_table): Define enum Commons_section_type.  Update
4698         declarations.  Add small_commons_ and large_commons_ fields.
4699         * symtab.cc (Symbol::is_common_shndx): New function.
4700         (Symbol_table::Symbol_table): Initialize new fields.
4701         (Symbol_table::add_from_object): Put small and large common
4702         symbols in the right list.
4703         (Symbol_table::sized_finalized_symbol): Check
4704         Symbol::is_common_shndx.
4705         (Symbol_table::sized_write_globals): Likewise.
4706         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4707         common symbol lists.  Don't call do_allocate_commons_list if the
4708         list is empty.
4709         (Symbol_table::do_allocate_commons_list): Remove is_tls
4710         parameter.  Add comons_section_type parameter.  Change all
4711         callers.  Handle small and large common symbols.
4712         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4713         Symbol::is_common_shndx.
4714         * resolve.cc (symbol_to_bits): Likewise.
4715         * target.h (Target::small_common_shndx): New function.
4716         (Target::small_common_section_flags): New function.
4717         (Target::large_common_shndx): New function.
4718         (Target::large_common_section_flags): New function.
4719         (Target::new_output_section): New function.
4720         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4721         small_common_section_flags, and large_common_section_flags
4722         fields.
4723         (Target::do_new_output_section): New virtual function.
4724         * arm.cc (Target_arm::arm_info): Initialize new fields.
4725         * i386.cc (Target_i386::i386_info): Likewise.
4726         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4727         Likewise.
4728         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4729         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4730         (Target_x86_64::do_new_output_section): New function.
4731         * configure.ac: Define conditional MCMODEL_MEDIUM.
4732         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4733         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4734         (large_LDFLAGS): Define.
4735         * testsuite/large.c: New file.
4736         * testsuite/testfile.cc (Target_test::test_target_info):
4737         Initialize new fields.
4738         * configure, testsuite/Makefile.in: Rebuild.
4739
4740 2009-06-05  Doug Kwan  <dougkwan@google.com>
4741
4742         * Makefile.am (CCFILES): Add target.cc.
4743         * Makefile.in: Regenerate.
4744         * i386.cc (class Target_i386): Define new virtual method to
4745         override do_is_local_label_name in parent.
4746         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4747         local symbols if --discard-locals or -X is given.
4748         * options.h (class General_options): Declare new options
4749         '--discard-locals' and '-X' for discarding locals.
4750         * target.h (class Target): Define new methods is_local_label_name.
4751         Declare new virtual method do_is_local_label_name.
4752         * target.cc: New file.
4753         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4754         (check_SCRIPTS): Add discard_locals_test.sh.
4755         (check_DATA): Add discard_local_tests.syms.
4756         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4757         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4758         * testsuite/Makefile.in: Regenerate.
4759         * testsuite/discard_locals_test.c: New file.
4760         * testsuite/discard_locals_test.sh: Same.
4761
4762 2009-06-05  Doug Kwan  <dougkwan@google.com>
4763
4764         * object.cc (Sized_relobj::Sized_relobj): Initialize
4765         discarded_eh_frame_shndx_ to -1U.
4766         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4767         section.
4768         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4769         a discarded .eh_frame section.
4770         (Sized_relobj::do_finalize_local_symbols): Ditto.
4771         * object.h (class Sized_relobj): Declare new member
4772         discarded_eh_frame_shndx_.
4773         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4774         (local_labels_test.o, local_labels_test): New rules.
4775         * testsuite/Makefile.in: Regenerate.
4776
4777 2009-06-04  Doug Kwan  <dougkwan@google.com>
4778
4779         * layout.cc (Layout::section_name_mapping): Add mapping for
4780         special ARM sections.
4781
4782 2009-06-03  Doug Kwan  <dougkwan@google.com>
4783
4784         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4785         (utils::has_overflow): Same.
4786
4787 2009-06-03  Ian Lance Taylor  <iant@google.com>
4788
4789         * layout.cc (Layout::section_name_mapping): New array, replacing
4790         Layout::linkonce_mapping.
4791         (Layout::section_name_mapping_count): New variable, replacing
4792         Layout::linkonce_mapping_count.
4793         (Layout::linkonce_output_name): Remove.
4794         (Layout::output_section_name): Rewrite.
4795         * layout.h (class Layout): Rename Linkonce_mapping to
4796         Section_name_mapping, linkonce_mapping to section_name_mapping,
4797         linkonce_mapping_count to section_name_mapping_count.  Don't
4798         declare linkonce_output_name.
4799
4800 2009-06-03  Doug Kwan  <dougkwan@google.com>
4801
4802         * gold/arm.cc (namespace utils): New.
4803         (Target_arm::reloc_is_non_pic): Define new method.
4804         (class Arm_relocate_functions): New.
4805         (Target_arm::Relocate::relocate): Handle relocation types used by
4806         Android.
4807
4808 2009-06-03  Ian Lance Taylor  <iant@google.com>
4809
4810         * arm.cc (Target_arm::scan::global): Use || instead of |.
4811
4812 2009-06-02  Doug Kwan  <dougkwan@google.com>
4813
4814         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4815         issued_non_pic_error_.
4816         (class Target_arm::Scan): Declare new method check_non_pic.
4817         Define new method symbol_needs_plt_entry.
4818         Declare new data member issued_non_pic_error_.
4819         (class Target_arm::Relocate): Declare new method
4820         should_apply_static_reloc.
4821         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4822         (Target_arm::Scan::check_non_pic): Define new method.
4823         (Target_arm::Scan::local): Handle a small subset of reloc types used
4824         by Android.
4825         (Target_arm::Scan::local): Same.
4826         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4827
4828 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4829
4830         * incremental.cc (Incremental_inputs::report_command_line): Filter
4831         out --incremental-* options.
4832
4833 2009-05-29  Doug Kwan  <dougkwan@google.com>
4834
4835         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4836         template class.
4837         (class Target_arm): Update comment.
4838         (Target_arm::Target_arm): Initialize new data members GOT_,
4839         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4840         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4841         and Target_arm::rel_dyn_section.
4842         Declare new_enum Target_arm::Got_type.
4843         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4844         and DYNBSS_.
4845         Update commments for member do_dynsym_value.
4846         (Target_arm::got_size, Target_arm::plt_section,
4847         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4848         new methods inside class defintion.
4849         (Target_arm::got_section): Define new method.
4850         (Target_arm::rel_dyn_section): Same.
4851         (Output_data_plt_arm): New template class.
4852         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4853         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4854         (Output_data_plt_arm::add_entry): Same.
4855         (Output_data_plt_arm::first_plt_entry): Define new
4856         static data member for PLT instruction template.
4857         (Output_data_plt_arm::plt_entry): Same.
4858         (Output_data_plt_arm::do_write): Define new method.
4859         (Target_arm::make_plt_entry): Same.
4860         (Target_arm::do_finalize_sections): Same.
4861         (Target_arm::do_dynsym_value): Same.
4862
4863 2009-05-28  Doug Kwan  <dougkwan@google.com>
4864
4865         * Makefile.am (TARGETSOURCES): Add arm.cc.
4866         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4867         * Makefile.in: Regenerate.
4868         * arm.cc: New file.
4869         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4870
4871 2009-05-26  Doug Kwan  <dougkwan@google.com>
4872
4873         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4874         (General_options::check_excluded_libs): Strip off directories in
4875         archive name before matching like GNU ld does.
4876         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4877         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4878         (exclude_libs_test_LDFLAGS): Add linker option
4879         -Wl,--exclude-libs,libexclude_libs_test_3
4880         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4881         an explicit archive without using -l.
4882         (alt/libexclude_libs_test_3.a): New make rule.
4883         * testsuite/Makefile.in: Regenerate.
4884         * testsuite/exclude_libs_test.c : Declare lib3_default().
4885         (main): Call it.
4886         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4887         * exclude_libs_test_3.c: New file.
4888
4889 2009-05-26  Nick Clifton  <nickc@redhat.com>
4890
4891         * po/id.po: New Indonesian translation.
4892         * po/gold.pot: Updated template file.
4893
4894 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4895
4896         * testsuite/Makefile.am: Add -ffunction-sections to compile
4897         gc_comdat_test files.  Add -Wl,--gc-sections to build
4898         gc_comdat_test.
4899         * testsuite/Makefile.in: Regenerate.
4900         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4901
4902 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4903
4904         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4905         kept comdat section was garbage collected.
4906         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4907         * testsuite/Makefile.in: Regenerate.
4908         * testsuite/gc_comdat_test.sh: New file.
4909         * testsuite/gc_comdat_test_1.cc: New file.
4910         * testsuite/gc_comdat_test_2.cc: New file.
4911
4912 2009-05-19  Doug Kwan  <dougkwan@google.com>
4913
4914         * archive.cc (Archive::Archive): Move constructor from archive.h
4915         to here.  Initialize no_export_.
4916         (Archive::get_elf_object_for_member): Set no_export flag of object.
4917         * archive.h (Archive::Archive): Move constructor body to
4918         archive.cc.
4919         (Archive::no_export): New method.
4920         (Archive::no_export_): New field.
4921         * object.h (Object::Object): Initialize no_export_ to false.
4922         (Object::no_export, Object::set_no_export): New methods.
4923         (Object::no_export_): New field.
4924         * options.cc (General_options::parse_exclude_libs): New method.
4925         (General_options::check_excluded_libs) Same.
4926         * options.h (exclude_libs): New option.
4927         (General_options::check_excluded_libs): New method declaration.
4928         (General_options::excluded_libs_): New field.
4929         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4930         default or protected visibility if an object has no-export flag set.
4931         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4932         (check_SCRIPTS): Add exclude_libs_test.sh.
4933         (check_DATA): Add exclude_libs_test.syms.
4934         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4935         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4936         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4937         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4938         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4939         libexclude_libs_test_2.a): New rules.
4940         * testsuite/Makefile.in: Regenerate.
4941         * testsuite/exclude_libs_test.c: New file.
4942         * testsuite/exclude_libs_test.sh: Ditto.
4943         * testsuite/exclude_libs_test_1.c: Ditto.
4944         * testsuite/exclude_libs_test_2.c: Ditto.
4945
4946 2009-05-15  Ian Lance Taylor  <iant@google.com>
4947
4948         * configure.ac: Check for declarations for cases where libiberty.h
4949         checks HAVE_DECL_xxx.
4950         * configure, config.in: Rebuild.
4951
4952 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4953
4954         * gold.h (Incremental_argument_list): Remove (invalid) forward
4955         declaration.
4956         * incremental.cc (Incremental_inputs::report_achive): New method.
4957         (Incremental_inputs::report_object): New method.
4958         (Incremental_inputs::report_script): New method.
4959         (Incremental_inputs::finalize_inputs): New method.
4960         (Incremental_inputs::finalize): Call finalize_inputs().
4961         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4962         Create inputs entries.
4963         * incremental.h (Incremental_input_type): New enum.
4964         (Incremental_inputs::Incremental_input): Initialize new fields.
4965         (Incremental_inputs::report_inputs): New method.
4966         (Incremental_inputs::report_achive): New method.
4967         (Incremental_inputs::report_object): New method.
4968         (Incremental_inputs::report_script): New method.
4969         (Incremental_inputs::finalize_inputs): New method.
4970         (Incremental_inputs::Input_info): New struct.
4971         (Incremental_inputs::Input_info_map): New typedef.
4972         (Incremental_inputs::lock_): New field.
4973         (Incremental_inputs::Inputs_): New field.
4974         (Incremental_inputs::Inputs_map): New field.
4975         * main.cc (main): Call Incremental_input::report_inputs.
4976         * options.h (Input_argument_list): Typedef moved from
4977         Input_arguments.
4978         (Input_file_group::Files): Remove, use ::Input_argument_list.
4979         (Input_file_group::Input_argument_list): Remove, use
4980         ::Input_argument_list.
4981         * plugin.cc (Plugin_manager::add_input_file): Add error in
4982         incremental build.
4983         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4984         functions.
4985         * script.cc (read_input_script): Call
4986         Incremental_input::report_script.
4987         * script.h (Script_info): New class.
4988
4989 2009-04-27  Ian Lance Taylor  <iant@google.com>
4990
4991         * x86_64.cc (do_adjust_output_section): Set entsize to
4992         plt_entry_size.
4993
4994 2009-04-23  Elliott Hughes  <enh@google.com>
4995
4996         * output.cc (Output_file::close): After short writes, continue
4997         writing from the correct offset in the buffer being written.
4998
4999 2009-04-23  Chris Demetriou  <cgd@google.com>
5000
5001         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
5002         * configure: Regenerate.
5003         * config.in: Regenerate.
5004         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
5005         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
5006
5007 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
5008
5009         * incremental.cc (Incremental_inputs_header_data): Renamed from
5010         Incremental_input_header_data.
5011         (Incremental_inputs_header_data::data_size): New field.
5012         (Incremental_inputs_header_data::put_input_file_count): Renamed
5013         from input_file_count.
5014         (Incremental_inputs_header_data::put_command_line_offset): Renamed
5015         from command_line_offset.
5016         (Incremental_inputs_header_data::put_reserved): Renamed from
5017         put_reserved.
5018         (Incremental_inputs_entry_data): Renamed from
5019         Incremental_input_entry_data.
5020         (Incremental_inputs_entry_data::data_size): New field.
5021         (Incremental_inputs::report_command_line): New method.
5022         (Incremental_inputs::finalize): New method.
5023         (Incremental_inputs::create_incremental_inputs_data): New method.
5024         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
5025         * incremental.h: New file.
5026         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
5027        (Layout::finalize): Create incremental inputs section in
5028         incremental builds.
5029        (Layout::create_incremental_info_sections): New method.
5030         * layout.h (Layout::incremental_inputs): New method.
5031        (Layout::create_incremental_info_sections): New method.
5032        (Layout::incremental_inputs_): New field.
5033         * main.cc (main): Notify Incremental_input of the command line.
5034
5035 2009-04-01  Ian Lance Taylor  <iant@google.com>
5036             Mikolaj Zalewski  <mikolajz@google.com>
5037
5038         * gold.h (reserve_unordered_map): Define, three versions, one for
5039         each version of Unordered_map.
5040         * layout.cc (Layout::Layout): Remove options parameter.  Add
5041         number_of_input_files parameter.  Don't initialize options_.
5042         Initialize number_of_input_files_ and resized_signatures_.  Move
5043         sections_are_attached_.
5044         (Layout::layout_group): Reserve space for group_signatures_.
5045         (Layout::find_or_add_kept_section): Change name parameter to be a
5046         reference.  Resize signatures_ map when it gets large enough.
5047         (Layout::layout_eh_frame): Use parameters->options() instead of
5048         this->options_.
5049         (Layout::make_output_section): Likewise.
5050         (Layout::attach_allocated_section_to_segment): Likewise.
5051         (Layout::finalize, Layout::create_executable_stack): Likewise.
5052         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
5053         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
5054         * layout.h (class Layout): Update declarations.  Remove options_
5055         field.  Add number_of_input_files_ and resized_signatures_
5056         fields.  Move sections_are_attached_ field.
5057         * main.cc (main): Pass number of input files to Layout
5058         constructor.  Don't pass options.
5059
5060 2009-03-30  Ian Lance Taylor  <iant@google.com>
5061
5062         * ffsll.c (ffsll): Correct implementation.
5063
5064 2009-03-27  Ian Lance Taylor  <iant@google.com>
5065
5066         * ffsll.c: New file.
5067         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
5068         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
5069         * ftruncate.c (ftruncate): Declare before definition.
5070         * mremap.c (mremap): Likewise.
5071         * pread.c (pread): Likewise.
5072         * configure, Makefile.in, config.in: Rebuild.
5073
5074         * mremap.c: New file.
5075         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
5076         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
5077         (mremap): Declare if HAVE_MREMAP is not defined.
5078         * configure, Makefile.in, config.in: Rebuild.
5079
5080 2009-03-27  Cary Coutant  <ccoutant@google.com>
5081
5082         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
5083         position independent.
5084         * sparc.cc (Target_sparc::check_non_pic): Likewise.
5085         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
5086
5087 2009-03-24  Cary Coutant  <ccoutant@google.com>
5088
5089         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
5090         an executable.
5091         (needs_dynamic_reloc): Likewise.
5092
5093 2009-03-24  Ian Lance Taylor  <iant@google.com>
5094
5095         * yyscript.y (file_cmd): Recognize EXTERN.
5096         (extern_name_list, extern_name_list_body): New nonterminals.
5097         * script.cc (script_add_extern): Define.
5098         * script-c.h (script_add_extern): Declare.
5099
5100 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
5101
5102         * object.cc (is_elf_object): Define.
5103         * object.h (is_elf_object): Declare.
5104         * archive.cc (Archive::get_elf_object_for_member): Call
5105         is_elf_object.
5106         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
5107
5108 2009-03-24  Elliott Hughes  <enh@google.com>
5109
5110         * output.cc (Output_file::map_anonymous): Define.
5111         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
5112         try an anonymous one.  Report the size if the mmap fails.
5113         * output.h (class Output_file): Declare map_anonymous.
5114
5115 2009-03-24  Ian Lance Taylor  <iant@google.com>
5116
5117         * target-select.cc (instantiate_target): Don't acquire the lock if
5118         the instantiated_target_ field has already been set.
5119
5120 2009-03-23  Ian Lance Taylor  <iant@google.com>
5121
5122         * gold-threads.h (class Initialize_lock): Define.
5123         * gold-threads.cc (class Initialize_lock_once): Define.
5124         (initialize_lock_control): New static variable.
5125         (initialize_lock_pointer): New static variable.
5126         (initialize_lock_once): New static function.
5127         (Initialize_lock::Initialize_lock): Define.
5128         (Initialize_lock::initialize): Define.
5129         * target-select.h: Include "gold-threads.h".
5130         (class Target_selector): Add lock_ and initialize_lock_ fields.
5131         Don't define instantiate_target, just declare it.
5132         * target-select.cc (Target_selector::Target_selector): Initialize
5133         new fields.
5134         (Target_selector::instantiate_target): Define.
5135         * descriptors.h: Include "gold-threads.h".
5136         (class Descriptors): Add initialize_lock_ field.
5137         * descriptors.cc (Descriptors::Descriptors): Initialize new
5138         field.
5139         (Descriptors::open): Use initialize_lock_ field
5140         * errors.h (class Errors): Add initialize_lock_ field.
5141         * errors.cc (Errors::Errors): Initialize new field.
5142         (Errors::initialize_lock): Use initialize_lock_ field.
5143         * powerpc.cc (class Target_selector_powerpc): Remove
5144         instantiated_target_ field.  In do_recognize call
5145         instantiate_target rather than do_instantiate_target.  In
5146         do_instantiate_target just allocate a new target.
5147         * sparc.cc (class Target_selector_sparc): Likewise.
5148
5149         * freebsd.h: New file.
5150         * i386.cc: Include "freebsd.h".
5151         (Target_i386): Derive from Target_freebsd rather than
5152         Sized_target.
5153         (Target_selector_i386): Derive from Target_selector_freebsd rather
5154         than Target_selector.
5155         * x86_64.cc: Include "freebsd.h".
5156         (Target_x86_64): Derive from Target_freebsd rather than
5157         Sized_target.
5158         (Target_selector_x86_64): Derive from Target_selector_freebsd
5159         rather than Target_selector.
5160         * target.h (class Target): Add adjust_elf_header and
5161         do_adjust_elf_header.
5162         * output.cc (Output_file_header:: do_sized_write): Call target
5163         adjust_elf_header routine.
5164         * configure.tgt: Set targ_osabi.
5165         * configure.ac: Define GOLD_DEFAULT_OSABI.
5166         * parameters.cc (Parameters::default_target): Pass
5167         GOLD_DEFAULT_OSABI to select_target.
5168         * target-select.h (class Target_selector): Make instantiate_target
5169         protected rather than private.
5170         * Makefile.am (HFILES): Add freebsd.h.
5171         * configure, Makefile.in, config.in: Rebuild.
5172
5173         * merge.cc (do_add_input_section): Correct pend value.  Change
5174         message about last entry not being null terminated from error to
5175         warning.
5176
5177 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
5178
5179         * incremental.cc: New file.
5180         * Makefile.am (CCFILES): Add incremental.cc.
5181         * Makefile.in: Rebuild.
5182
5183 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
5184
5185         * layout.cc (Layout::output_section_name): Preserve names
5186         of '.note.' sections.
5187
5188 2009-03-19  Ian Lance Taylor  <iant@google.com>
5189
5190         * descriptors.cc (Descriptors::open): Check that the options are
5191         valid before using them.
5192
5193 2009-03-18  Ian Lance Taylor  <iant@google.com>
5194
5195         * script-sections.h: Include <list>.
5196         (class Script_sections): Change Sections_elements from std::vector
5197         to std::list.  Typedef public Elements_iterator.  Add
5198         orphan_section_placement_, data_segment_align_start_, and
5199         saw_data_segment_align_ fields.  Remove data_segment_align_index_
5200         field.
5201         * script-sections.cc (class Orphan_section_placement): New class.
5202         (class Sections_element): Add virtual functions is_relro and
5203         orphan_section_init.  Remove virtual function place_orphan_here.
5204         (class Output_section_definition): Add is_relro and
5205         orphan_section_init.  Remove place_orphan_here.
5206         (class Orphan_output_section): Likewise.
5207         (Script_sections::Script_sections): Update for field changes.
5208         (Script_sections::data_segment_align): Set saw_data_segment_align_
5209         and data_segment_align_start_, not data_segment_align_index.
5210         (Script_sections::data_segment_relro_end): Check
5211         saw_data_segment_align_.  Use data_segment_align_start_ rather
5212         than data_segment_align_index_.
5213         (Script_sections::place_orphan): Rewrite to use
5214         Orphan_section_placement.
5215
5216 2009-03-17  Ian Lance Taylor  <iant@google.com>
5217
5218         * archive.cc (Archive::add_symbols): Check for a version attached
5219         to the symbol name in the archive map.
5220         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
5221         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
5222         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
5223         (ver_test_11.a): New target.
5224         * testsuite/Makefile.in: Rebuild.
5225
5226         * configure.ac: Check for chsize and posix_fallocate.  Replace
5227         ftruncate.
5228         * ftruncate.c: New file, from gnulib.
5229         * output.cc (posix_fallocate): Define dummy version if not
5230         HAVE_POSIX_FALLOCATE.
5231         (Output_file::map): Call posix_fallocate rather than lseek and
5232         write.
5233         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
5234         * configure, Makefile.in, config.in: Rebuild.
5235
5236 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
5237
5238         * layout.h (Layout::create_note): Add section_name parameter.
5239         * layout.cc (Layout::create_note): Likewise.
5240         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
5241
5242 2009-03-17  Ian Lance Taylor  <iant@google.com>
5243
5244         * descriptors.cc: Include "options.h".
5245         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
5246         (Descriptors::open): Always use O_CLOEXEC when opening a new
5247         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
5248         then set FD_CLOEXEC.
5249
5250         * sparc.cc (class Target_sparc): Add has_got_section.
5251         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
5252         make sure we have a GOT section.
5253
5254         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
5255         (Target_sparc::Scan::local): Likewise.
5256         (Target_sparc::Scan::global): Likewise.
5257         (Target_sparc::Relocate::relocate): Likewise.
5258         (Target_sparc::Relocate::relocate_tls): Likewise.
5259
5260         * symtab.cc (Symbol_table::define_default_version): New function,
5261         broken out of add_from_object.
5262         (Symbol_table::add_from_object): Call define_default_version.
5263         (Symbol_table::define_special_symbol): Add resolve_oldsym
5264         parameter.  Change all callers.  If the version for a symbol comes
5265         from a version script, resolve it with the symbol with the same
5266         name with no version.  Also add the symbol without a version if
5267         appropriate.
5268         (do_define_in_output_data): If resolving with oldsym, don't delete
5269         sym.
5270         (do_define_in_output_segment): Likewise.
5271         (do_define_as_constant): Likewise.
5272         * symtab.h (class Symbol_table): Update declarations.
5273
5274 2009-03-13  Ian Lance Taylor  <iant@google.com>
5275
5276         * readsyms.cc (Read_symbols::incompatible_warning): New function.
5277         (Read_symbols::requeue): New function.
5278         (Read_symbols::do_read_symbols): If make_elf_object fails because
5279         the target type is not configured, and the file was searched for,
5280         issue a warning and retry with the next directory.
5281         (Add_symbols::run): If the file has an incompatible format, and
5282         it was searched for, requeue the Read_symbols task.  On error,
5283         release the object.
5284         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
5285         dirindex parameter to constructor.  Change all callers.  Declare
5286         incompatible_warning and requeue.
5287         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
5288         input_argument_ and input_group_ fields.  Add them to
5289         constructor.  Change all callers.
5290         (class Read_script): Add dirindex_ field.  Add it to constructor.
5291         Change all callers.
5292         * archive.cc (Archive::setup): Remove input_objects parameter.
5293         Change all callers.
5294         (Archive::get_file_and_offset): Likewise.
5295         (Archive::read_all_symbols): Likewise.
5296         (Archive::read_symbols): Likewise.
5297         (Archive::get_elf_object_for_member): Remove input_objects
5298         parameter.  Add punconfigured parameter.  Change all callers.
5299         (Archive::add_symbols): Change return type to bool.  Check return
5300         value of include_member.
5301         (Archive::include_all_members): Likewise.
5302         (Archive::include_member): Change return type to bool.  Return
5303         false if first included object has incompatible target.  Set
5304         included_member_ field.
5305         (Add_archive_symbols::run): If add_symbols returns false, requeue
5306         Read_symbols task.
5307         * archive.h (class Archive): Add included_member_ field.
5308         Initialize it in constructor.  Add input_file and searched_for
5309         methods.  Update declarations.
5310         (class Add_archive_symbols): Add dirpath_, dirindex_, and
5311         input_argument_ fields.  Add them to constructor.  Change all
5312         callers.
5313         * script.cc: Include "target-select.h".
5314         (class Parser_closure): Add skip_on_incompatible_target_ and
5315         found_incompatible_target_ fields.  Add
5316         skip_on_incompatible_target parameter to constructor.  Change all
5317         callers.  Add methods skip_on_incompatible_target,
5318         clear_skip_on_incompatible_target, found_incompatible_target, and
5319         set_found_incompatible_target.
5320         (read_input_script): Add dirindex parameter.  Change all callers.
5321         If parser finds an incompatible target, requeue Read_symbols
5322         task.
5323         (script_set_symbol): Clear skip_on_incompatible_target in
5324         closure.
5325         (script_add_assertion, script_parse_option): Likewise.
5326         (script_start_sections, script_add_phdr): Likewise.
5327         (script_check_output_format): New function.
5328         * script.h (read_input_script): Update declaration.
5329         * script-c.h (script_check_output_format): Declare.
5330         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
5331         (ignore_cmd): Remove OUTPUT_FORMAT.
5332         * fileread.cc (Input_file::Input_file): Add explicit this.
5333         (Input_file::will_search_for): New function.
5334         (Input_file::open): Add pindex parameter.  Change all callers.
5335         * fileread.h (class Input_file): Add input_file_argument method.
5336         Declare will_search_for.  Update declarations.
5337         * object.cc (make_elf_object): Add punconfigured parameter.
5338         Change all callers.
5339         * object.h (class Object): Make input_file public.  Add
5340         searched_for method.
5341         (make_elf_object): Update declaration.
5342         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
5343         restart search.
5344         * dirsearch.h (class Dirsearch): Update declaration.
5345         * options.h (class General_options): Add --warn-search-mismatch.
5346         * parameters.cc (Parameters::is_compatible_target): New function.
5347         * parameters.h (class Parameters): Declare is_compatible_target.
5348         * workqueue.cc (Workqueue::add_blocker): New function.
5349         * workqueue.h (class Workqueue): Declare add_blocker.
5350
5351         * fileread.cc (Input_file::open): Remove options parameter.
5352         Change all callers.
5353         (Input_file::open_binary): Likewise.
5354         * script.cc (read_input_script): Likewise.
5355         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
5356         options parameter from constructor.  Change all callers.
5357         (class Read_script): Likewise.
5358         * fileread.h (class Input_file): Update declarations.
5359         * script.h (read_input_script): Update declaration.
5360
5361 2009-03-10  Nick Clifton  <nickc@redhat.com>
5362
5363         * po/es.po: New Spanish translation.
5364
5365 2009-03-06  Cary Coutant  <ccoutant@google.com>
5366
5367         * options.cc (parse_short_option): Keep dash_z from registering itself.
5368
5369 2009-03-03  Ian Lance Taylor  <iant@google.com>
5370
5371         PR 9918
5372         * target-reloc.h (relocate_section): Pass output_section to
5373         relocate.
5374         * i386.cc (Target_i386::should_apply_static_reloc): Add
5375         output_section parameter.  Change all callers.
5376         (Target_i386::Relocate::relocate): Add output_section parameter.
5377         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5378         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5379         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5380         * testsuite/two_file_shared.sh: New script.
5381         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5382         (check_DATA): Add two_file_shared.dbg.
5383         (two_file_shared.dbg): New target.
5384         * testsuite/Makefile.in: Rebuild.
5385
5386 2009-03-01  Ian Lance Taylor  <iant@google.com>
5387
5388         * configure.ac: Check for byteswap.h.
5389         * configure: Rebuild.
5390         * config.in: Rebuild.
5391
5392 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
5393
5394         * layout.cc (Layout::find_or_add_kept_section): New function.
5395         (Layout::add_comdat): Removed.
5396         * layout.h (struct Kept_section): Move out of class Layout.
5397         Remove trailing underscores from field names.  Add group_sections
5398         field.  Rename group_ field to is_group.  Change all uses.
5399         (class Layout): Declare find_or_add_kept_section, not add_comdat.
5400         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5401         comdat_groups_ field.
5402         (Sized_relobj::include_section_group): Use
5403         find_or_add_kept_section and Kept_section::group_sections.
5404         (Sized_relobj::include_linkonce_section): Likewise.
5405         * object.cc (class Sized_relobj): Don't define Comdat_group or
5406         Comdat_group_table.  Remove find_comdat_group and
5407         add_comdat_group.  Remove comdat_groups_ field.
5408         * plugin.cc (include_comdat_group): Use
5409         Layout::find_or_add_kept_section.
5410
5411 2009-02-28  Ian Lance Taylor  <iant@google.com>
5412
5413         * README: --gc-sections and map files are now supported.  Document
5414         some build requirements.
5415
5416         PR 6992
5417         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5418         relocatable link set the value of the section symbol to zero.
5419         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5420         relocatable link don't include the section address in the local
5421         symbol value.
5422
5423 2009-02-27  Ian Lance Taylor  <iant@google.com>
5424
5425         PR 6811
5426         * options.h (class Search_directory): Add is_system_directory.
5427         (class General_options): Declare is_in_system_directory.
5428         * options.cc (get_relative_sysroot): Make static.
5429         (get_default_sysroot): Make static.
5430         (General_optoins::is_in_system_directory): New function.
5431         * fileread.cc (Input_file::is_in_system_directory): New function.
5432         * fileread.h (class Input_file): Declare is_in_system_directory.
5433         * object.h (class Object): Add is_in_system_directory.
5434         (class Input_objects): Remove system_library_directory_ field.
5435         * object.cc (Input_objects::add_object): Don't set
5436         system_library_directory_.
5437         (input_objects::found_in_system_library_directory): Remove.
5438         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5439         parameter.  Change all callers.
5440         (Symbol_table::sized_write_globals): Likewise.
5441         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5442         Call Object::is_in_system_directory.
5443         * symtab.h (class Symbol_table): Update declarations.
5444
5445         PR 5990
5446         * descriptors.h (Open_descriptor): Add is_on_stack field.
5447         * descriptors.cc (Descriptors::open): If the descriptor is on the
5448         top of the stack, remove it.  Initialize is_on_stack field.
5449         (Descriptors::release): Only add pod to stack if it is not on the
5450         stack already.
5451         (Descriptors::close_some_descriptor): Clear stack_next and
5452         is_on_stack fields.
5453
5454         PR 7091
5455         * output.cc (Output_section::find_starting_output_address): Rename
5456         from starting_output_address; add PADDR parameter; change return
5457         type.
5458         * output.h (class Output_section): Declare
5459         find_starting_output_address instead of starting_output_address.
5460         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5461         section symbol for which we can't find a merge section.
5462
5463         PR 9836
5464         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5465         hidden or internal, force the symbol to be local.
5466         * resolve.cc (Symbol::override_visibility): Define.
5467         (Symbol::override_base): Use override_visibility.
5468         (Symbol_table::resolve): Likewise.
5469         (Symbol::override_base_with_special): Likewise.
5470         (Symbol_table::override_with_special): If the visibility is hidden
5471         or internal, force the symbol to be local.
5472         * symtab.h (class Symbol): Add set_visibility and
5473         override_visibility.
5474         * testsuite/ver_test_1.sh: New file.
5475         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5476         (check_DATA): Add ver_test_1.syms.
5477         (ver_test_1.syms): New target.
5478         * testsuite/Makefile.in: Rebuild.
5479
5480 2009-02-25  Cary Coutant  <ccoutant@google.com>
5481
5482         * layout.cc (Layout::choose_output_section): Don't rename sections
5483         when using a linker script that has a SECTIONS clause.
5484         * Makefile.in: Regenerate.
5485
5486         * testsuite/Makefile.am (script_test_5.sh): New test case.
5487         * testsuite/Makefile.in: Regenerate.
5488         * testsuite/script_test_5.cc: New file.
5489         * testsuite/script_test_5.sh: New file.
5490         * testsuite/script_test_5.t: New file.
5491
5492 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5493
5494         * archive.cc (Archive::include_member): Update calls to add_symbols.
5495         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5496         the Layout argument.
5497         * dynobj.h (do_add_symbols): Add the Layout argument.
5498         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5499         Layout argument.
5500         * object.h (Object::add_symbols): Add the Layout argument.
5501         (Object::do_add_symbols): Add the Layout argument.
5502         (Sized_relobj::do_add_symbols): Add the Layout argument.
5503         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5504         Unify the two versions.
5505         (Add_plugin_symbols): Remove.
5506         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5507         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5508         (Add_plugin_symbols): Remove.
5509         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5510         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5511         (Add_symbols::run): Make it work with Pulginobj.
5512
5513 2009-02-06  Ian Lance Taylor  <iant@google.com>
5514
5515         * object.cc (Sized_relobj::do_layout): Make info message start
5516         with lower case letter.
5517
5518 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5519
5520         * binary.cc: Fix file comment.
5521
5522         * options.h (enum Incremental_disposition): Define.
5523         (class General_options): Add new options: --incremental,
5524         --incremental_changed, --incremental_unchanged,
5525         --incremental_unknown.  Add incremental_disposition_ and
5526         implicit_incremental_ fields.
5527         (General_options::incremental_disposition): New function.
5528         (class Position_dependent_options): Add incremental_disposition
5529         option.
5530         (Position_dependent_options::copy_from_options): Set incremental
5531         dispositions.
5532         * options.cc (General_options::parse_incremental_changed): New
5533         function.
5534         (General_options::parse_incremental_unchanged): New function.
5535         (General_options::parse_incremental_unknown): New function.
5536         (General_options::General_options): Initialize new fields
5537         incremental_disposition_ and implicit_incremental_.
5538         (General_options::finalize): Check for uasge of --incremental-*
5539         without --incremental.
5540
5541 2009-02-06  Chris Demetriou  <cgd@google.com>
5542
5543         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5544         pointer and to report location as the file name associated with
5545         the symbol.
5546         (gold_undefined_symbol_at_location): New function to replace the
5547         old gold_undefined_symbol functionality.
5548         * target-reloc.h (relocate_section): Update to use
5549         gold_undefined_symbol_at_location.
5550         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5551         Call gold_undefined_symbol function rather than gold_error.
5552         * errors.h (Errors::undefined_symbol): Take location as a
5553         string, rather than calculating it from a relocation.
5554         * errors.cc (Errors::fatal): Print "fatal error:" before the
5555         formatted message.
5556         (Errors::error, Errors::error_at_location): Print "error: "
5557         before the formatted message.
5558         (Errors::undefined_symbol): Take location as a string, rather
5559         than calculating it from a relocation.
5560         (gold_undefined_symbol_at_location): New function akin to
5561         old gold_undefined_symbol, calculates location from relocation.
5562         (gold_undefined_symbol): Change to take only a Symbol pointer
5563         and to report location as the file name associated with the symbol.
5564         * testsuite/debug_msg.sh: Update for changed error messages.
5565         * testsuite/undef_symbol.sh: Likewise.
5566
5567 2009-02-04  Duncan Sands  <baldrick@free.fr>
5568
5569         PR 9812
5570         * reduced_debug_output.h
5571         (Output_reduced_debug_abbrev_section::failed): Use format for
5572         gold_warning.
5573         (Output_reduced_debug_info_section::faild): Likewise.
5574
5575 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5576
5577         * script.cc (Lazy_demangler): New class.
5578         (Version_script_info::get_symbol_version_helper): Demangle a
5579         symbol only once.
5580
5581 2009-01-29  Cary Coutant  <ccoutant@google.com>
5582
5583         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5584         to __tls_get_addr.
5585         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5586
5587 2009-01-28  Ian Lance Taylor  <iant@google.com>
5588
5589         * version.cc (version_string): Bump to 1.9.
5590
5591         * gold.h: Include <cstring> and <stdint.h>.
5592         * version.cc: Include <cstdio>.
5593         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5594         warning.
5595         * reduced_debug_output.cc (insert_into_vector): Rename from
5596         Insert_into_vector; change all callers.  Use Swap_unaligned to
5597         avoid aliasing issue; remove union since it is unnecessary.
5598
5599 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5600
5601         * Makefile.am (CCFILES): Add gc.cc.
5602         (HFILES): Add gc.h.
5603         * Makefile.in: Regenerate.
5604         * gold.cc (Gc_runner): New class.
5605         (queue_initial_tasks): Call garbage collection related tasks
5606         when corresponding options are invoked.
5607         (queue_middle_gc_tasks): New function.
5608         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5609         processed early before laying out sections during garbage collection.
5610         * gold.h (queue_middle_gc_tasks): New function.
5611         (is_prefix_of): Move from "layout.cc".
5612         * i386.cc (Target_i386::gc_process_relocs): New function.
5613         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5614         * main.cc (main): Create object of class "Garbage_collection".
5615         * object.cc (Relobj::copy_symbols_data): New function.
5616         (Relobj::is_section_name_included): New function.
5617         (Sized_relobj::do_layout): Allow this function to be called twice
5618         during garbage collection and defer layout of section during the
5619         first call.
5620         * object.h (Relobj::get_symbols_data): New function.
5621         (Relobj::is_section_name_included): New function.
5622         (Relobj::copy_symbols_data): New function.
5623         (Relobj::set_symbols_data): New function.
5624         (Relobj::get_relocs_data): New function.
5625         (Relobj::set_relocs_data): New function.
5626         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5627         (Relobj::gc_process_relocs): New function.
5628         (Relobj::do_gc_process_relocs): New pure virtual function.
5629         (Relobj::sd_): New data member.
5630         (Sized_relobj::is_output_section_offset_invalid): New function.
5631         (Sized_relobj::do_gc_process_relocs): New function.
5632         * options.h (General_options::gc_sections): Modify to not be a no-op.
5633         (General_options::print_gc_sections): New option.
5634         * plugin.cc (Plugin_finish::run): Remove function call to
5635         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5636         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5637         * reloc.cc (Read_relocs::run): Add task to process relocs and
5638         determine unreferenced sections when doing garbage collection.
5639         (Gc_process_relocs): New class.
5640         (Sized_relobj::do_gc_process_relocs): New function.
5641         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5642         sections that are garbage collected.
5643         * reloc.h (Gc_process_relocs): New class.
5644         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5645         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5646         symbols whose corresponding sections are garbage collected.
5647         (Symbol_table::Symbol_table): Add new parameter for the garbage
5648         collection object.
5649         (Symbol_table::gc_mark_undef_symbols): New function.
5650         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5651         (Symbol_table::gc_mark_dyn_syms): New function.
5652         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5653         as garbage.
5654         (Symbol_table::add_from_object): Likewise.
5655         (Symbol_table::add_from_relobj): When building shared objects, do not
5656         treat externally visible symbols as garbage.
5657         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5658         table information for static and relocatable links.
5659         * symtab.h (Symbol_table::set_gc): New function.
5660         (Symbol_table::gc): New function.
5661         (Symbol_table::gc_mark_undef_symbols): New function.
5662         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5663         (Symbol_table::gc_mark_dyn_syms): New function.
5664         (Symbol_table::gc_): New data member.
5665         * target.h (Sized_target::gc_process_relocs): New pure virtual
5666         function.
5667         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5668         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5669
5670 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5671
5672         * options.h (General_options::gc_sections): Define as a no-op for now.
5673         (General_options::no_keep_memory): Ditto.
5674         (General_options::Bshareable): Define.
5675         * options.cc (General_options::finalize): Honor -Bshareable.
5676
5677 2009-01-20  Andreas Schwab  <schwab@suse.de>
5678
5679         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5680         read the value in the contents, since we don't use it.  Use the
5681         template endianness when writing.
5682         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5683
5684 2009-01-19  Andreas Schwab  <schwab@suse.de>
5685
5686         * configure.tgt (powerpc64-*): Fix targ_obj.
5687
5688 2009-01-15  Ian Lance Taylor  <iant@google.com>
5689
5690         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5691         local symbols when stripping all symbols.
5692
5693 2009-01-14  Cary Coutant  <ccoutant@google.com>
5694
5695         * output.cc (Output_reloc): Add explicit instantiations.
5696
5697 2009-01-14  Cary Coutant  <ccoutant@google.com>
5698
5699         * archive.cc (Archive::get_elf_object_for_member): Remove call
5700         to File_read::claim_for_plugin.
5701         * descriptors.cc (Descriptors::open): Remove reference to
5702         is_claimed.
5703         (Descriptors::claim_for_plugin): Remove.
5704         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5705         (Descriptors::is_claimed): Remove.
5706         (claim_descriptor_for_plugin): Remove.
5707         * fileread.cc (File_read::claim_for_plugin): Remove.
5708         * fileread.h (File_read::claim_for_plugin): Remove.
5709         (File_read::descriptor): Reopen descriptor if necessary.
5710         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5711         (Plugin_manager::all_symbols_read): Add task parameter. Change
5712         all callers.
5713         (Plugin_manager::get_input_file): New function.
5714         (Plugin_manager::release_input_file): New function.
5715         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5716         corresponding data member.
5717         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5718         and pass to base constructor. Change all callers.
5719         (get_input_file, release_input_file): New functions.
5720         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5721         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5722         (Plugin_manager::all_symbols_read): Add task parameter.
5723         (Plugin_manager::get_input_file): New function.
5724         (Plugin_manager::release_input_file): New function.
5725         (Plugin_manager::task_): New data member.
5726         (Pluginobj::Pluginobj): Add filesize parameter.
5727         (Pluginobj::filename): New function.
5728         (Pluginobj::descriptor): New function.
5729         (Pluginobj::filesize): New function.
5730         (Pluginobj::filesize_): New data member.
5731         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5732         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5733         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5734
5735         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5736         with archive libraries.
5737         * testsuite/Makefile.in: Regenerate.
5738         * testsuite/plugin_test.c (struct sym_info): New type.
5739         (get_input_file, release_input_file): New static variables.
5740         (onload): Capture new transfer vector entries.
5741         (claim_file_hook): Stop reading at end of file according to filesize.
5742         Factor out parsing of readelf output into separate function.
5743         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5744         APIs and get the source file name from the symbol table.  Convert
5745         source file name to corresponding object file name.  Print info
5746         message when adding new input files.
5747         (parse_readelf_line): New function.
5748         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5749         * testsuite/plugin_test_2.sh: Likewise.
5750         * testsuite/plugin_test_3.sh: Likewise.
5751         * testsuite/plugin_test_4.sh: New test case.
5752
5753 2009-01-07  Ian Lance Taylor  <iant@google.com>
5754
5755         * version.cc (version_string): Bump to 1.8.
5756
5757 2008-12-23  Cary Coutant  <ccoutant@google.com>
5758
5759         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5760         * plugin.cc (Plugin_manager::finish): Rename as
5761         layout_deferred_objects.  Move cleanup to separate function.
5762         (Plugin_manager::cleanup): New function.
5763         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5764         separately.
5765         * plugin.h (Plugin_manager::finish): Rename as
5766         layout_deferred_objects.
5767         (Plugin_manager::cleanup): New function.
5768         (Plugin_manager::cleanup_done): New field.
5769
5770 2008-12-23  Cary Coutant  <ccoutant@google.com>
5771
5772         * plugin.cc (is_visible_from_outside): New function.
5773         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5774         so we don't return "IR only" status for exported symbols or -r links.
5775
5776         * testsuite/Makefile.am (plugin_test_3): New test case.
5777         * testsuite/Makefile.in: Regenerate.
5778         * testsuite/plugin_test_3.sh: New file.
5779
5780 2008-12-22  Cary Coutant  <ccoutant@google.com>
5781
5782         * object.cc (Sized_relobj::layout_section): New function.
5783         (Sized_relobj::do_layout): Defer layout of input sections until after
5784         plugin has provided replacement files.
5785         (Sized_relobj::do_layout_deferred_sections): New function.
5786         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5787         (Relobj::layout_deferred_sections): New function.
5788         (Relobj::do_layout_deferred_sections): New function.
5789         (Sized_relobj::do_layout_deferred_sections): New function.
5790         (Sized_relobj::layout_section): New function.
5791         (Sized_relobj::Deferred_layout): New structure.
5792         (Sized_relobj::deferred_layout_): New field.
5793         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5794         Change all callers.  Layout deferred sections.
5795         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5796         references.
5797         (Plugin_hook::run): Move code from do_plugin_hook inline.
5798         (Plugin_hook::do_plugin_hook): Remove.
5799         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5800         (Plugin_manager::finish): Renamed, was cleanup.
5801         (Plugin_manager::should_defer_layout): New function.
5802         (Plugin_manager::add_deferred_layout_object): New function.
5803         (Plugin_manager::Deferred_layout_list): New type.
5804         (Plugin_manager::deferred_layout_objects_): New field.
5805         (Plugin_hook::do_plugin_hook): Remove.
5806
5807 2008-12-17  Ian Lance Taylor  <iant@google.com>
5808
5809         * options.h (class General_options): Add --no case for
5810         --export-dynamic.
5811
5812 2008-12-16  Cary Coutant  <ccoutant@google.com>
5813
5814         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5815         vector.
5816         (Plugin_manager::claim_file): Create plugin object even if
5817         plugin did not call the add_symbols callback.
5818         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5819         asking for more symbols than were added.
5820         * testsuite/Makefile.am (plugin_test_1): Add test case with
5821         no global symbols.
5822         (empty.syms): New target.
5823         * testsuite/Makefile.in: Regenerate.
5824         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5825         message. Don't call add_symbols if no globals.
5826         (all_symbols_read_hook): Don't provide replacement for empty
5827         claimed file.
5828
5829 2008-12-12  Ian Lance Taylor  <iant@google.com>
5830
5831         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5832         r_type == 0 for a local symbol with r_sym == 0.
5833         (scan_relocatable_relocs): Pass r_sym to
5834         local_non_section_strategy.
5835         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5836         r_sym parameter.
5837
5838         * configure.ac: Update test for TLS descriptors: they are
5839         supported as of glibc 2.9.
5840         * configure: Rebuild.
5841
5842 2008-12-11  Ian Lance Taylor  <iant@google.com>
5843
5844         PR 7091
5845         * target-reloc.h (Default_scan_relocatable_relocs): For each
5846         function, map r_type == 0 to RELOC_DISCARD.
5847
5848 2008-12-10  Cary Coutant  <ccoutant@google.com>
5849
5850         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5851         object to override a kept COMDAT group from a plugin object.
5852
5853 2008-12-09  Ian Lance Taylor  <iant@google.com>
5854
5855         PR 7088
5856         * yyscript.y (file_cmd): Handle INPUT.
5857
5858         * testsuite/initpri1.c: Change all declarations to be full
5859         prototypes by adding void, to avoid compiler warnings.
5860
5861 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5862
5863         * options.cc (General_options::parse_plugin_opt): New.
5864         (General_options::add_plugin): The argument now is just the filename.
5865         (General_options::add_plugin_option): New.
5866         * options.h (plugin_opt): New.
5867         (add_plugin): Change argument name.
5868         (add_plugin_option): New.
5869         * plugin.cc (Plugin::load): Don't parse the plugin option.
5870         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5871         (Plugin::add_option): New.
5872         (Plugin::args_): Change type.
5873         (Plugin::filename_): New.
5874         (Plugin_manager::add_plugin_option): New.
5875         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5876         * testsuite/Makefile.in: Regenerate.
5877
5878 2008-12-05  Cary Coutant  <ccoutant@google.com>
5879
5880         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5881         Handle --strip-lto-sections option.
5882         * options.h (strip_lto_sections): New option.
5883
5884 2008-12-01  Cary Coutant  <ccoutant@google.com>
5885
5886         * plugin.cc (ld_plugin_message): Change format parameter to const.
5887         Fix mismatch between new[] and delete.
5888
5889 2008-11-14  Cary Coutant  <ccoutant@google.com>
5890
5891         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5892         instead of -1U.
5893
5894 2008-11-05  Craig Silverstein  <csilvers@google.com>
5895
5896         * options.cc (General_options::parse_dynamic_list): New function.
5897         * options.h (General_options): New flags dynamic_list,
5898         dynamic_list_data, dynamic_list_cpp_new, and
5899         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5900         (General_options::in_dynamic_list): New function.
5901         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5902         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5903         (Lex::can_continue_name): Likewise.
5904         (yylex): Likewise.
5905         (read_script_file): New parameter script_options.
5906         (read_dynamic_list): New function.
5907         (Script_options::define_dynamic_list): New function.
5908         (dynamic_list_keyword_parsecodes): New variable.
5909         (dynamic_list_keywords): New variable.
5910         * script.h (Script_options::define_dynamic_list): New function
5911         prototype.
5912         (read_dynamic_list): New function prototype.
5913         * symtab.cc (strprefix): New macro.
5914         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5915         dynamic_list_data, dynamic_list_cpp_new, and
5916         dynamic_list_cpp_typeinfo.
5917         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5918         (dynamic_list_expr): New rule.
5919         (dynamic_list_nodes): Likewise.
5920         (dynamic_list_node): Likewise.
5921         * testsuite/Makefile.am (dynamic_list): New test.
5922         * testsuite/Makefile.in: Regenerated.
5923         * testsuite/dynamic_list.t: New file.
5924         * testsuite/dynamic_list.sh: New file.
5925
5926 2008-11-05  Craig Silverstein  <csilvers@google.com>
5927
5928         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5929         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5930         (t11_last): Likewise.
5931         * testsuite/ver_test_6.c (main): Likewise.
5932
5933 2008-10-07  Cary Coutant  <ccoutant@google.com>
5934
5935         * options.c (General_options::finalize): Add check for -static and
5936         -shared.
5937         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5938         is not empty.
5939
5940 2008-10-02  Cary Coutant  <ccoutant@google.com>
5941
5942         * plugin.cc (make_sized_plugin_object): Fix conditional
5943         compilation to work when not all targets are enabled.
5944
5945 2008-09-29  Cary Coutant  <ccoutant@google.com>
5946
5947         * archive.cc (Archive::get_file_and_offset): Use filename instead
5948         of name to get library path.
5949         (Archive::include_member): Unlock external member of a thin archive.
5950
5951         * testsuite/Makefile.am (TEST_AR): New variable.
5952         (thin_archive_test_1): New test.
5953         (thin_archive_test_2): New test.
5954         * testsuite/Makefile.in: Regenerate.
5955         * testsuite/thin_archive_main.cc: New file.
5956         * testsuite/thin_archive_test_1.cc: New file.
5957         * testsuite/thin_archive_test_2.cc: New file.
5958         * testsuite/thin_archive_test_3.cc: New file.
5959         * testsuite/thin_archive_test_4.cc: New file.
5960
5961 2008-09-29  Cary Coutant  <ccoutant@google.com>
5962
5963         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5964         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5965         instead of -1U.
5966         (Sized_relobj::do_finalize_local_symbols): Likewise.
5967         (Sized_relobj::map_to_kept_section): Likewise.
5968         * object.h (Sized_relobj::invalid_address): New constant.
5969         (Sized_relobj::do_output_section_offset): Check for invalid_address
5970         and return -1ULL.
5971         * output.cc (Output_reloc::local_section_offset): Use constant
5972         invalid_address instead of -1U.
5973         (Output_reloc::get_address): Likewise.
5974         (Output_section::output_address): Change -1U to -1ULL.
5975         * output.h (Output_reloc::invalid_address): New constant.
5976         * reloc.cc (Sized_relobj::write_sections): Use constant
5977         invalid_address instead of -1U.
5978         (Sized_relobj::relocate_sections): Likewise.
5979         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5980         values for merge sections.
5981         * target-reloc.h (relocate_for_relocatable): Use constant
5982         invalid_address instead of -1U.
5983
5984 2008-09-19  Cary Coutant  <ccoutant@google.com>
5985
5986         Add plugin functionality for link-time optimization (LTO).
5987         * configure.ac (plugins): Add --enable-plugins option.
5988         * configure: Regenerate.
5989         * config.in: Regenerate.
5990         * Makefile.am (LIBDL): New variable.
5991         (CCFILES): Add plugin.cc.
5992         (HFILES): Add plugin.h.
5993         (ldadd_var): Add LIBDL.
5994         * Makefile.in: Regenerate.
5995
5996         * archive.cc: Include "plugin.h".
5997         (Archive::setup): Don't preread archive symbols when using a plugin.
5998         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5999         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
6000         files.
6001         (Archive::include_member): Add symbols from plugin objects.
6002         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
6003         * descriptors.cc (Descriptors::open): Check for file descriptors
6004         abandoned by plugins.
6005         (Descriptors::claim_for_plugin): New function.
6006         * descriptors.h (Descriptors::claim_for_plugin): New function.
6007         (Open_descriptor::is_claimed): New field.
6008         (claim_descriptor_for_plugin): New function.
6009         * fileread.cc (File_read::claim_for_plugin): New function.
6010         * fileread.h (File_read::claim_for_plugin): New function.
6011         (File_read::descriptor): New function.
6012         * gold.cc: Include "plugin.h".
6013         (queue_initial_tasks): Add task to call plugin hooks for generating
6014         new object files.
6015         * main.cc: Include "plugin.h".
6016         (main): Load plugin libraries.
6017         * object.h (Pluginobj): Declare.
6018         (Object::pluginobj): New function.
6019         (Object::do_pluginobj): New function.
6020         (Object::set_target): New function.
6021         * options.cc: Include "plugin.h".
6022         (General_options::parse_plugin): New function.
6023         (General_options::General_options): Initialize plugins_ field.
6024         (General_options::add_plugin): New function.
6025         * options.h (Plugin_manager): Declare.
6026         (General_options): Add --plugin option.
6027         (General_options::has_plugins): New function.
6028         (General_options::plugins): New function.
6029         (General_options::add_plugin): New function.
6030         (General_options::plugins_): New field.
6031         * plugin.cc: New file.
6032         * plugin.h: New file.
6033         * readsyms.cc: Include "plugin.h".
6034         (Read_symbols::do_read_symbols): Check for archive before checking
6035         for ELF file.  Call plugin hooks to claim files.
6036         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
6037         from a real object file; force override when processing replacement
6038         files.
6039         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
6040         (Symbol::init_base_object): Likewise.
6041         (Symbol::init_base_output_data): Likewise.
6042         (Symbol::init_base_output_segment): Likewise.
6043         (Symbol::init_base_constant): Likewise.
6044         (Symbol::init_base_undefined): Likewise.
6045         (Symbol::output_section): Assert that object is not a plugin.
6046         (Symbol_table::add_from_pluginobj): New function.
6047         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
6048         undefined.
6049         (Symbol_table::sized_write_globals): Likewise.
6050         (Symbol_table::add_from_pluginobj): Instantiate template.
6051         * symtab.h (Sized_pluginobj): Declare.
6052         (Symbol::in_real_elf): New function.
6053         (Symbol::set_in_real_elf): New function.
6054         (Symbol::in_real_elf_): New field.
6055         (Symbol_table::add_from_pluginobj): New function.
6056
6057         * testsuite/Makefile.am (AM_CFLAGS): New variable.
6058         (LIBDL): New variable.
6059         (LDADD): Add LIBDL.
6060         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
6061         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
6062         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
6063         (MOSTLYCLEANFILES): Likewise.
6064         * testsuite/Makefile.in: Regenerate.
6065         * testsuite/plugin_test.c: New file.
6066         * testsuite/plugin_test_1.sh: New file.
6067         * testsuite/plugin_test_2.sh: New file.
6068
6069 2008-09-16  Ian Lance Taylor  <iant@google.com>
6070
6071         * target-reloc.h (relocate_section): Check whether a symbol is
6072         defined by the ABI before reporting an undefined symbol error.
6073         * target.h (Target::is_defined_by_abi): Make parameter const.
6074         (Target::do_is_defined_by_abi): Likewise.
6075         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
6076         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
6077         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
6078         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
6079         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
6080         * testsuite/Makefile.in: Rebuild.
6081
6082         * fileread.cc (make_view): Add casts to avoid warning.
6083
6084 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6085
6086         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
6087         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6088
6089 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6090
6091         * options.h (General_options::output_is_executable): New.
6092         (General_options::output_is_pie): New.
6093         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
6094         for shared libraries.
6095         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6096
6097 2008-09-11  Chris Demetriou  <cgd@google.com>
6098
6099         * options.h (origin): New -z option.
6100         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
6101         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
6102         in DT_FLAGS_1.
6103
6104 2008-09-05  Cary Coutant  <ccoutant@google.com>
6105
6106         * fileread.cc (File_read::make_view): Add check for attempt to map
6107         beyond end of file.
6108
6109 2008-09-05  Cary Coutant  <ccoutant@google.com>
6110
6111         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
6112         explicit instantiations.
6113
6114 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
6115
6116         PR gold/6858
6117         * options.cc (General_options::finalize): Allow undefined symbols
6118         in shlibs if linking -shared.
6119
6120         PR gold/6859
6121         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
6122         symbols as not needing a dynsym entry.
6123
6124 2008-08-20  Craig Silverstein  <csilvers@google.com>
6125
6126         * fileread.cc (File_read::open): Do not lock the file unless it
6127         was successfully opened.
6128
6129 2008-08-14  Cary Coutant  <ccoutant@google.com>
6130
6131         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
6132         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
6133         * testsuite/tls_test.cc (struct int128): 128-bit struct
6134         for testing TLS relocs with non-zero addend.
6135         (v12): New TLS variable.
6136         (t12): New test.
6137         (t_last): Add check for v12.
6138         * testsuite/tls_test.h (t12): New function.
6139         * testsuite/tls_test_main.cc (thread_routine): Call new test.
6140
6141 2008-08-13  Ian Lance Taylor  <iant@google.com>
6142
6143         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
6144         set tls_segment_ or relro_segment_.
6145         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
6146         when appropriate.
6147         * output.h (Output_section::clear_is_relro): New function.
6148         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
6149         sections specially even when output_data_ is empty.
6150         (Output_segment::maximum_alignment): When first section is relro,
6151         only force alignment for PT_LOAD segments.
6152         * script.cc (script_data_segment_align): New function.
6153         (script_data_segment_relro_end): New function.
6154         * script-c.h (script_data_segment_align): Declare.
6155         (script_data_segment_relro_end): Declare.
6156         * script-sections.h (class Script_sections): Declare
6157         data_segment_align and data_segment_relro_end.  Add fields
6158         segment_align_index_ and saw_relro_end_.
6159         * script-sections.cc (class Sections_element): Add set_is_relro
6160         virtual function.  Add new bool* parameter to place_orphan_here.
6161         Add get_output_section virtual function.
6162         (class Output_section_definition): Add set_is_relro.  Add new
6163         bool* parameter to place_orphan_here.  Add get_output_section.
6164         Add is_relro_ field.
6165         (Output_section_definition::Output_section_definition): Initialize
6166         evaluated_address_, evaluated_load_address, evaluated_addralign_,
6167         and is_relro_ fields.
6168         (Output_section_definition::place_orphan_here): Add is_relro
6169         parameter.
6170         (Output_section_definition::set_section_addresses): Set relro for
6171         output section.
6172         (Output_section_definition::alternate_constraint): Likewise.
6173         (class Orphan_output_section): Add new bool* parameter to
6174         place_orphan_here.  Add get_output_section.
6175         (Orphan_output_section::place_orphan_here): Add is_relro
6176         parameter.
6177         (Script_sections::Script_sections): Initialize
6178         data_segment_align_index_ and saw_relro_end_.
6179         (Script_sections::data_segment_align): New function.
6180         (Script_sections::data_segment_relro_end): New function.
6181         (Script_sections::place_orphan): Set or clear is_relro.
6182         (Script_sections::set_section_addresses): Force alignment of first
6183         TLS section.
6184         * yyscript.y (exp): Call script_data_segment_align and
6185         script_data_segment_relro_end.
6186         * testsuite/relro_script_test.t: New file.
6187         * testsuite/relro_test.cc (using_script): Declare.
6188         (t1, t2): Test using_script.
6189         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
6190         (relro_script_test_SOURCES): Define.
6191         (relro_script_test_DEPENDENCIES): Define.
6192         (relro_script_test_LDFLAGS): Define.
6193         (relro_script_test_LDADD): Define.
6194         (relro_script_test.so): New target.
6195         * testsuite/Makefile.in: Rebuild.
6196
6197 2008-08-06  Cary Coutant <ccoutant@google.com>
6198
6199         * archive.cc (Archive::total_archives, Archive::total_members)
6200         (Archive::total_members_loaded): New variables.
6201         (Archive::setup): Add parameter.  Add option to preread
6202         archive symbols.
6203         (Archive::read_armap): Add counter.
6204         (Archive::get_file_and_offset): New function.
6205         (Archive::get_elf_object_for_member): New function.
6206         (Archive::read_all_symbols): New function.
6207         (Archive::read_symbols): New function.
6208         (Archive::add_symbols): Add counters.
6209         (Archive::include_all_members): Use armap to find members if it's
6210         already built.
6211         (Archive::include_member): Skip reading symbols if already read.
6212         Factored code into Archive::get_file_and_offset and
6213         Archive::get_elf_object_for_member.  Changed call to
6214         Mapfile::report_include_archive_member.
6215         (Archive::print_stats): New function.
6216         * archive.h: Declare Object and Read_symbols_data classes.
6217         (Archive::Archive): Add initializers for new members.
6218         (Archive::setup): Add parameter.
6219         (Archive::print_stats): New function.
6220         (Archive::total_archives, Archive::total_members)
6221         (Archive::total_members_loaded): New variables.
6222         (Archive::get_file_and_offset): New function.
6223         (Archive::get_elf_object_for_member): New function.
6224         (Archive::read_all_symbols): New function.
6225         (Archive::read_symbols): New function.
6226         (Archive::Archive_member): New class.
6227         (Archive::members_): New member.
6228         (Archive::num_members_): New member.
6229         * main.cc: Include archive.h.
6230         (main): Call Archive::print_stats.
6231         * mapfile.cc (Mapfile::report_include_archive_member): Delete
6232         archive parameter; member_name is now the fully-decorated name.
6233         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
6234         * options.h: (General_options): Add --preread-archive-symbols option.
6235         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
6236         Archive::setup.
6237
6238 2008-08-04  Ian Lance Taylor  <iant@google.com>
6239
6240         * symtab.h (Symbol::use_plt_offset): New function.
6241         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
6242         * powerpc.cc (Relocate::relocate): Likewise.
6243         * sparc.cc (Relocate::relocate): Likewise.
6244         * x86_64.cc (Relocate::relocate): Likewise.
6245         * testsuite/weak_plt.sh: New test.
6246         * testsuite/weak_plt_main.cc: New test.
6247         * testsuite/weak_plt_shared.cc: New test.
6248         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
6249         (check_PROGRAMS): Add weak_plt.
6250         (check_DATA): Add weak_plt_shared.so.
6251         (weak_plt_main_pic.o, weak_plt): New targets.
6252         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
6253         * testsuite/Makefile.in: Rebuild.
6254
6255         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
6256         gcctestdir/ld.
6257         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
6258         * testsuite/Makefile.in: Rebuild.
6259
6260 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
6261
6262         * Makefile.am (POTFILES.in): Set LC_ALL=C.
6263         * Makefile.in: Regenerate.
6264         * po/POTFILES.in: Regenerate.
6265
6266 2008-07-29  Ian Lance Taylor  <iant@google.com>
6267
6268         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
6269         symbols before other symbols.
6270         * testsuite/script_test_2.cc (test_addr): Declare.
6271         (test_addr_alias): Declare.
6272         (main): Check that test_addr and test_addr_alias have the right
6273         values.
6274         * testsuite/script_test_2.t: Define test_addr_alias and
6275         test_addr.
6276
6277 2008-07-24  Ian Lance Taylor  <iant@google.com>
6278
6279         PR 5990
6280         * descriptors.cc: New file.
6281         * descriptors.h: New file.
6282         * gold-threads.h (class Hold_optional_lock): New class.
6283         * fileread.cc: Include "descriptors.h".
6284         (File_read::~File_read): Release descriptor rather than closing
6285         it.
6286         (File_read::open) [file]: Call open_descriptor rather than open.
6287         Set is_descriptor_opened_.
6288         (File_read::open) [memory]: Assert that descriptor is not open.
6289         (File_read::reopen_descriptor): New function.
6290         (File_read::release): Release descriptor.
6291         (File_read::do_read): Make non-const.  Reopen descriptor.
6292         (File_read::read): Make non-const.
6293         (File_read::make_view): Reopen descriptor.
6294         (File_read::do_readv): Likewise.
6295         * fileread.h (class File_read): Add is_descriptor_opened_ field.
6296         Update declarations.
6297         * layout.cc: Include "descriptors.h".
6298         (Layout::create_build_id): Use open_descriptor rather than open.
6299         * output.cc: Include "descriptors.h".
6300         (Output_file::open): Use open_descriptor rather than open.
6301         * archive.cc (Archive::const_iterator): Change Archive to be
6302         non-const.
6303         (Archive::begin, Archive::end): Make non-const.
6304         (Archive::count_members): Likewise.
6305         * archive.h (class Archive): Update declarations.
6306         * object.h (Object::read): Make non-const.
6307         * Makefile.am (CCFILES): Add descriptors.cc.
6308         (HFILES): Add descriptors.h.
6309         * Makefile.in: Rebuild.
6310
6311         PR 6716
6312         * gold.h: Always include <clocale>.  Add Solaris workarounds
6313         following code in binutils/sysdep.h.
6314
6315         PR 6048
6316         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
6317         this->eh_frame_hdr_ is NULL before using it.
6318
6319         * dynobj.cc (Versions::Versions): Update comment.
6320
6321         * dynobj.cc (Versions::Versions): If there is an soname, use it as
6322         the base version name.
6323
6324         * stringpool.cc (Stringpool_template::add_with_length): Set key to
6325         array size plus one.
6326         (Stringpool_template::set_string_offsets): Subtract one from key
6327         before using it as an array index.
6328         (Stringpool_template::get_offset_with_length): Likewise.
6329         (Stringpool_template::write_to_buffer): Likewise.
6330         * stringpool.h (Stringpool_template::get_offset_from_key):
6331         Likewise.
6332
6333 2008-07-23  Ian Lance Taylor  <iant@google.com>
6334
6335         PR 6658
6336         * object.h (Merged_symbol_value::value): Do our best to handle a
6337         negative addend.
6338
6339         PR 6647
6340         * script.cc (Version_script_info::get_versions): Don't add empty
6341         version tag to return value.
6342         (Version_script_info::get_symbol_version_helper): Change return
6343         type to bool.  Add pversion parameter.  Change all callers.
6344         (script_register_vers_node): Don't require a non-NULL tag.
6345         * script.h (class Version_script_info): Update declarations.
6346         (Version_script_info::get_symbol_version): Change return type to
6347         bool.  Add version parameter.  Change all callers.
6348         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
6349         handling.  Handle an empty version from a version script.
6350         (Symbol_table::define_special_symbol): Likewise.
6351         * testsuite/ver_test_10.script: New file.
6352         * testsuite/ver_test_10.sh: New file.
6353         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
6354         (check_DATA): Add ver_test_10.syms.
6355         (ver_test_10.syms, ver_test_10.so): New target.
6356         * testsuite/Makefile.in: Rebuild.
6357
6358 2008-07-23  Simon Baldwin  <simonb@google.com>
6359
6360         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
6361         to zero for undefined symbols from dynamic libraries.
6362
6363 2008-07-23  Ian Lance Taylor  <iant@google.com>
6364
6365         * symtab.cc (Symbol_table::resolve): Remove version parameter.
6366         Change all callers.
6367         * symtab.h (class Symbol_table): Update declaration.
6368         * testsuite/ver_test_9.cc: New file.
6369         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
6370         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
6371         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
6372         (ver_test_9.so, ver_test_9.o): New targets.
6373         * testsuite/Makefile.in: Rebuild.
6374
6375 2008-07-22  Ian Lance Taylor  <iant@google.com>
6376
6377         * options.h (class General_options): Define --check-sections.
6378         * layout.cc (Layout::set_segment_offsets): Handle
6379         --check-sections.
6380
6381         * options.h (class General_options): Define -n/--nmagic and
6382         -N/--omagic.
6383         * options.cc (General_options::finalize): For -n/--nmagic or
6384         -N/--omagic, set -static.
6385         * layout.cc (Layout::attach_allocated_section_to_segment): If
6386         -N/--omagic, don't put read-only and read-write sections in
6387         different segments.
6388         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6389         finding a read-only segment.
6390         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6391         don't set the minimum segment alignment to the common page size,
6392         and don't set the file offset to the address modulo the page size.
6393         * script-sections.cc (Script_sections::create_segments): If
6394         -n/--omagic, don't put read-only and read-write sections in
6395         different segments.
6396
6397         * cref.cc: New file.
6398         * cref.h: New file.
6399         * options.h (class General_options): Add --print-symbol-counts.
6400         * main.cc (main): Issue defined symbol report if requested.
6401         * archive.cc (Archive::interpret_header): Make into a const member
6402         function.
6403         (Archive::add_symbols): Call Input_objects::archive_start and
6404         archive_stop.
6405         (Archive::const_iterator): Define new class.
6406         (Archive::begin, Archive::end): New functions.
6407         (Archive::include_all_members): Rewrite to use iterator.
6408         (Archive::count_members): New function.
6409         * archive.h (class Archive): Update declarations.
6410         (Archive::filename): New function.
6411         * object.cc: Include "cref.h".
6412         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6413         (Sized_relobj::do_get_global_symbol_counts): New function.
6414         (Input_objects::add_object): Add object to cross-referencer.
6415         (Input_objects::archive_start): New function.
6416         (Input_objects::archive_stop): New function.
6417         (Input_objects::print_symbol_counts): New function.
6418         * object.h: Declare Cref and Archive.
6419         (Object::get_global_symbol_counts): New function.
6420         (Object::do_get_global_symbol_counts): New pure virtual function.
6421         (class Sized_relobj): Add defined_count_ field.  Update
6422         declarations.
6423         (class Input_objects): Add cref_ field.  Update constructor.
6424         Update declarations.
6425         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6426         defined_count_.
6427         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6428         symbol counts.
6429         (Sized_dynobj::do_get_global_symbol_counts): New function.
6430         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6431         defined_count_.  Update declarations.  Define Symbols typedef.
6432         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6433         parameter.  Change all callers.
6434         (Symbol_table::add_from_dynobj): Add sympointers and defined
6435         parameters.  Change all callers.
6436         * symtab.h (class Symbol_table): Update declarations.
6437         * Makefile.am (CCFILES): Add cref.cc.
6438         (HFILES): Add cref.h.
6439         * Makefile.in: Rebuild.
6440
6441 2008-07-22  Simon Baldwin  <simonb@google.com>
6442
6443         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6444         to zero when writing undefined symbols.
6445
6446 2008-07-22  Ian Lance Taylor  <iant@google.com>
6447
6448         * output.cc (Output_section::add_input_section): Don't try to
6449         merge empty merge sections.
6450
6451 2008-07-21  Craig Silverstein  <csilvers@google.com>
6452
6453         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6454         Include symbol version in error message.
6455
6456 2008-07-20  Chris Demetriou  <cgd@google.com>
6457
6458         * configure.ac (gold_cv_c_random_seed): New configured variable.
6459         (RANDOM_SEED_CFLAGS): New substituted variable.
6460         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6461         * configure: Rebuild.
6462         * Makefile.in: Likewise.
6463         * testsuite/Makefile.in: Likewise.
6464
6465 2008-07-18  Ian Lance Taylor  <iant@google.com>
6466
6467         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6468         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6469         * testsuite/ver_test_main.cc (main): Call t4.
6470         (t4, t4_2a): Define.
6471         * testsuite/ver_test_2.cc (t4_2): Define.
6472         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6473         * testsuite/ver_test_4.cc (t4_2a): Define.
6474         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6475         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6476
6477 2008-07-17  Ian Lance Taylor  <iant@google.com>
6478
6479         * dynobj.cc (Versions::add_def): If we give an error about a
6480         missing version, go ahead and create the version anyhow.
6481
6482 2008-07-10  Ian Lance Taylor  <iant@google.com>
6483
6484         Handle output sections with more than 0x7fffffff bytes.
6485         * object.h (class Relobj): Change map_to_output_ to
6486         output_sections_, and just keep a section pointer.  Change all
6487         uses.  Move comdat group support to Sized_relobj.
6488         (Relobj::is_section_specially_mapped): Remove.
6489         (Relobj::output_section): Remove poff parameter.  Change all
6490         callers.
6491         (Relobj::output_section_offset): New function.
6492         (Relobj::set_section_offset): Rewrite.
6493         (Relobj::map_to_output): Remove.
6494         (Relobj::output_sections): New function.
6495         (Relobj::do_output_section_offset): New pure virtual function.
6496         (Relobj::do_set_section_offset): Likewise.
6497         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6498         group support from Relobj.  Update declarations.
6499         (Sized_relobj::get_output_section_offset): New function.
6500         (Sized_relobj::do_output_section_offset): New function.
6501         (Sized_relobj::do_set_section_offset): New function.
6502         * object.cc (Relobj::output_section_address): Remove.
6503         (Sized_relobj::Sized_relobj): Initialize new fields.
6504         (Sized_relobj::include_section_group): Cast find_kept_object to
6505         Sized_relobj.
6506         (Sized_relobj::include_linkonce_section): Likewise.
6507         (Sized_relobj::do_layout): Use separate arrays for output section
6508         and output offset.
6509         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6510         output_sections.
6511         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6512         output_sections and section_offsets.
6513         (Sized_relobj::write_local_symbols): Likewise.
6514         (map_to_kept_section): Compute output address directly.
6515         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6516         output_sections and section_offsets.
6517         (Sized_relobj::write_sections): Likewise.
6518         (Sized_relobj::relocate_sections): Likewise.
6519         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6520         * output.h (class Output_reloc): Update declarations.  Change
6521         u2_.relobj to Sized_relobj*.
6522         (class Output_data_reloc): Change add functions to use
6523         Sized_relobj*.
6524         * output.cc (Output_reloc::Output_reloc): Change relobj to
6525         Sized_relobj*.
6526         (Output_reloc::local_section_offset): Change return type to
6527         Elf_Addr.  Use get_output_section_offset.
6528         (Output_reloc::get_address): Likewise.
6529         (Output_section::is_input_address_mapped): Don't call
6530         is_section_specially_mapped.
6531         (Output_section::output_offset): Likewise.
6532         (Output_section::output_address): Likewise.
6533         (Output_section::starting_output_address): Likewise.
6534         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6535         parameter to Sized_relobj*.
6536         (Copy_relocs::need_copy_reloc): Likewise.
6537         (Copy_relocs::save): Likewise.
6538         * copy-relocs.h (class Copy_relocs): Update declarations.
6539         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6540         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6541         * target-reloc.h (relocate_for_relocatable): Change
6542         offset_in_output_section type to Elf_Addr.  Change code that uses
6543         it as well.
6544         * layout.cc (Layout::layout): Always set *off.
6545         * mapfile.cc (Mapfile::print_input_section): Use
6546         output_section_offset.
6547         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6548         Sized_relobj*.
6549         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6550         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6551         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6552
6553 2008-07-03  Ian Lance Taylor  <iant@google.com>
6554
6555         * layout.cc (Layout::include_section): Do not discard unrecognized
6556         SHT_STRTAB sections.
6557
6558 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6559
6560         * script.cc (Lex::can_continue_name): Make '?' allowable in
6561         version-script names.
6562         * testsuite/version_script.map: Change glob pattern to use '?'
6563
6564 2008-06-30  Manish Singh  <yosh@gimp.org>
6565
6566         PR 6585
6567         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6568         Correct typo.
6569
6570 2008-06-30  Ian Lance Taylor  <iant@google.com>
6571
6572         PR 6660
6573         PR 6682
6574         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6575         versions]: Don't try to read the value in the contents, since we
6576         don't use it.  Use the template endianness when writing.
6577
6578 2008-06-25  Cary Coutant  <ccoutant@google.com>
6579
6580         * fileread.cc (File_read::make_view): Assert on zero-length view.
6581         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6582         symbol table when there are no symbols to read.
6583
6584 2008-06-23  Craig Silverstein  <csilvers@google.com>
6585
6586         * version.cc (version_string): Bump to 1.7
6587
6588 2008-06-18  Craig Silverstein  <csilvers@google.com>
6589
6590         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6591         constant 0xFFFF to type Valtype.
6592         (Powerpc_relocate_functions::rel16_ha): Likewise.
6593
6594 2008-06-17  Ian Lance Taylor  <iant@google.com>
6595
6596         * output.h (Output_section::Input_section): Initialize p2align_ to
6597         zero for Output_section_data constructors.
6598         (Output_section::Input_section::addralign): If not an input
6599         section, return the alignment of the Output_section_data.
6600         * testsuite/copy_test.cc: New file.
6601         * testsuite/copy_test_1.cc: New file.
6602         * testsuite/copy_test_2.cc: New file.
6603         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6604         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6605         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6606         (copy_test_1_pic.o, copy_test_1.so): New targets.
6607         (copy_test_2_pic.o, copy_test_2.so): New targets.
6608         * testsuite/Makefile.in: Rebuild.
6609
6610         * script-sections.cc (Script_sections::place_orphan): Initialize
6611         local variable exact.
6612
6613 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6614
6615         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6616
6617 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6618             David S. Miller  <davem@davemloft.net>
6619
6620         * powerpc.cc: New file.
6621         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6622         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6623         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6624         * Makefile.in: Rebuild.
6625
6626 2008-06-09  Ian Lance Taylor  <iant@google.com>
6627
6628         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6629         <exception>.
6630         (throwing, orig_terminate): New static variables.
6631         (terminate_handler): New static function.
6632         (t2): Set terminate handler.
6633
6634 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6635
6636         PR 6584
6637         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6638         alignment.
6639
6640 2008-05-30  Cary Coutant  <ccoutant@google.com>
6641
6642         * archive.cc (Archive::include_all_members) Correct to step
6643         over symbol table and extended name table in thin archives.
6644
6645 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6646
6647         PR 6407
6648         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6649         calculation.
6650
6651 2008-05-28  Caleb Howe  <cshowe@google.com>
6652
6653         * reduced_debug_output.cc: New file.
6654         * reduced_debug_output.h: New file.
6655         * options.h (class General_options): Add --strip-debug-non-line.
6656         * options.cc (General_options::finalize): Add strip_debug_non_line
6657         to the strip heirarchy.
6658         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6659         fields.
6660         * layout.cc: Include "reduced_debug_output.h".
6661         (Layout::Layout): Initialize new fields.
6662         (line_only_debug_sections): New static array.
6663         (is_lines_only_debug_sections): New static inline function.
6664         (Layout::include_section): Handle --strip-debug-non-line.
6665         (Layout::make_output_section): If --strip-debug-non-line, build
6666         new output sections for .debug_abbrev and .debug_info.
6667         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6668         gold.  Warn about possible overflow.
6669         (read_signed_LEB_128): Likewise.
6670         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6671         (read_signed_LEB_128): Declare.
6672         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6673         (HFILES): Add reduced_debug_output.h.
6674         * Makefile.in: Rebuild.
6675
6676 2008-05-21  Ian Lance Taylor  <iant@google.com>
6677
6678         * mapfile.cc: New file.
6679         * mapfile.h: New file.
6680         * options.h (class General_options): Add -M/--print-map and -Map.
6681         * options.cc (General_options::finalize): Make -M equivalent to
6682         -Map -.
6683         * main.cc: Include <cstdio> and "mapfile.h".
6684         (main): Open mapfile if requested.
6685         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6686         constructor.  Change caller.
6687         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6688         (queue_middle_tasks): Likewise.
6689         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6690         declarations.
6691         * archive.cc: Include "mapfile.h".
6692         (Archive::add_symbols): Add mapfile parameter.  Change all
6693         callers.  Pass mapfile, symbol, and reason to include_member.
6694         (Archive::include_all_members): Add mapfile parameter.  Change all
6695         callers.
6696         (Archive::include_member): Add mapfile, sym, and why parameters.
6697         Change all callers.  Report inclusion to map file.
6698         * archive.h: Include "fileread.h".
6699         (class Archive): Update declarations.
6700         (Archive::file): New const method.
6701         (class Add_archive_symbols): Add mapfile_ field.  Update
6702         constructor.  Change all callers.
6703         * readsyms.h (class Read_symbols): Likewise.
6704         (class Finish_group): Likewise.
6705         (class Read_script): Likewise.
6706         * common.cc: Include "mapfile.h".
6707         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6708         all callers.
6709         (Symbol_table::do_allocate_commons): Likewise.
6710         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6711         symbol allocation to mapfile.
6712         * common.h (class Allocate_commons_task): Add mapfile_ field.
6713         Update constructor.  Change all callers.
6714         * symtab.h (class Symbol_table): Update declarations.
6715         * layout.cc: Include "mapfile.h".
6716         (Layout_task_runner::run): Print information to mapfile.
6717         (Layout::create_gold_note): Change Output_data_fixed_space to
6718         Output_data_zero_fill.
6719         (Layout::create_build_id): Likewise.
6720         (Layout::print_to_mapfile): New function.
6721         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6722         constructor.  Change caller.
6723         (class Layout): Declare print_to_mapfile.
6724         * output.cc (Output_section::Input_section::print_to_mapfile): New
6725         function.
6726         (Output_section::add_input_section): If producing a map, always
6727         add to input_sections_ list.
6728         (Output_section::do_print_to_mapfile): New function.
6729         (Output_segment::print_sections_to_mapfile): New function.
6730         (Output_segment::print_section_list_to_mapfile): New function.
6731         * output.h: Include "mapfile.h".
6732         (Output_data::print_to_mapfile): New function.
6733         (Output_data::do_print_to_mapfile): New virtual function.
6734         (Output_segment_headers::do_print_to_mapfile): New function.
6735         (Output_file_header::do_print_to_mapfile): New function.
6736         (Output_data_const::do_print_to_mapfile): New function.
6737         (class Output_data_const_buffer): Add map_name_ field.  Update
6738         constructor.  Change all callers.  Add do_print_to_mapfile
6739         function.
6740         (class Output_data_fixed_space): Likewise.
6741         (class Output_data_space): Likewise.
6742         (class Output_data_zero_fill): New class.
6743         (Output_data_strtab::do_print_to_mapfile): New function.
6744         (Output_data_reloc_base::do_print_to_mapfile): New function.
6745         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6746         (Output_data_group::do_print_to_mapfile): New function.
6747         (Output_data_got::do_print_to_mapfile): New function.
6748         (Output_data_dynamic::do_print_to_mapfile): New function.
6749         (Output_symtab_xindex::do_print_to_mapfile): New function.
6750         (class Output_section): Declare do_print_to_mapflie.  Declare
6751         print_to_mapfile in Input_section.
6752         (class Output_segment): Declare new functions.
6753         * object.h (Sized_relobj::symbol_count): New function.
6754         * script-sections.cc
6755         (Output_section_element_dot_assignment::set_section_addresses):
6756         Change Output_data_fixed_space to Output_data_zero_fill.
6757         (Output_data_expression::do_print_to_mapfile): New function.
6758         * script.cc (read_input_script): Add mapfile parameter.  Change
6759         all callers.
6760         * script.h (read_input_script): Update declaration.
6761         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6762         (Eh_frame::do_print_to_mapfile): New function.
6763         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6764         (Output_merge_string::do_print_to_mapfile): New function.
6765         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6766         function.
6767         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6768         function.
6769         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6770         function.
6771         * Makefile.am (CCFILES): Add mapfile.cc.
6772         (HFILES): Add mapfile.h.
6773         * Makefile.in: Rebuild.
6774
6775 2008-05-19  Ian Lance Taylor  <iant@google.com>
6776
6777         * options.h (class General_options): Add -z relro.
6778         * layout.cc (Layout::Layout): Initialize relro_segment_.
6779         (Layout::add_output_section_data): Return the output section.
6780         (Layout::make_output_section): Rcognize relro sections and mark
6781         them appropriately.
6782         (Layout::attach_allocated_section_to_segment): Put relro sections
6783         in a PT_GNU_RELRO segment.
6784         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6785         section as relro.
6786         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6787         PT_TLS segments.
6788         (Layout::linkonce_mapping): Map d.rel.ro.local to
6789         .data.rel.ro.local.
6790         (Layout::output_section_name): Us .data.rel.ro.local for any
6791         section which begins with that.
6792         * layout.h (class Layout): Update add_output_section_data
6793         declaration.  Add relro_segment_ field.
6794         * output.cc (Output_section::Output_section): Initialize is_relro_
6795         and is_relro_local_ fields.
6796         (Output_segment::add_output_section): Group relro sections.
6797         (Output_segment::is_first_section_relro): New function.
6798         (Output_segment::maximum_alignment): If there is a relro section,
6799         align the segment to the common page size.
6800         (Output_segment::set_section_addresses): Track whether we are
6801         looking at relro sections.  If the last section is a relro
6802         section, align to the common page size.
6803         (Output_segment::set_section_list_addresses): Add in_relro
6804         parameter.  Change all callers.  Align to the page size when
6805         moving from relro to non-relro section.
6806         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6807         segment.
6808         * output.h (class Output_section): Add is_relro_ and
6809         is_relro_local_ fields.
6810         (Output_section::is_relro): New function.
6811         (Output_section::set_is_relro): New function.
6812         (Output_section::is_relro_local): New function.
6813         (Output_section::set_is_relro_local): New function.
6814         (class Output_segment): Update declarations.
6815         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6816         * sparc.cc (Target_sparc::got_section): Likewise.
6817         * x86_64.cc (Target_x86_64::got_section): Likewise.
6818         * testsuite/relro_test_main.cc: New file.
6819         * testsuite/relro_test.cc: New file.
6820         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6821         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6822         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6823         (relro_test.so, relro_test_pic.o): New targets.
6824         * testsuite/Makefile.in: Rebuild.
6825
6826 2008-05-16  Ian Lance Taylor  <iant@google.com>
6827
6828         * output.cc (Output_segment::add_output_section): Remove front
6829         parameter.
6830         * output.h (class Output_segment): Remove
6831         add_initial_output_section and overloaded add_output_section.
6832         Update declaration of remaining add_output_section.
6833         * layout.cc (Layout::create_interp): Call add_output_section
6834         rather than add_initial_output_section.
6835         (Layout::finish_dynamic_section): Likewise.
6836
6837         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6838         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6839         know the dynamic type.
6840         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6841         field.  Initialize it in constructor.
6842         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6843         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6844         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6845         reloc.
6846
6847         * output.cc (Output_reloc::get_address): Change return type to
6848         Elf_Addr.
6849         * output.h (class Output_reloc): Update get_address declaration.
6850         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6851         for section addresses.
6852
6853 2008-05-09  Ian Lance Taylor  <iant@google.com>
6854
6855         PR 6493
6856         * gold.cc (gold_nomem): Use return value of write.
6857
6858 2008-05-08  Ian Lance Taylor  <iant@google.com>
6859
6860         * symtab.c (Symbol::init_base_output_data): Add version
6861         parameter.  Change all callers.
6862         (Symbol::init_base_output_segment): Likewise.
6863         (Symbol::init_base_constant): Likewise.
6864         (Symbol::init_base_undefined): Likewise.
6865         (Sized_symbol::init_output_data): Likewise.
6866         (Sized_symbol::init_output_segment): Likewise.
6867         (Sized_symbol::init_constant): Likewise.
6868         (Sized_symbol::init_undefined): Likewise.
6869         (Symbol_table::do_define_in_output_data): If the new symbol has a
6870         version, mark it as the default.
6871         (Symbol_table::do_define_in_output_segment): Likewise.
6872         (Symbol_table::do_define_as_constant): Likewise.
6873         * symtab.h (class Symbol): Update declarations.
6874         (class Sized_symbol): Likewise.
6875         * resolve.cc (Symbol::override_version): New function.
6876         (Symbol::override_base): Call override_version.
6877         (Symbol::override_base_with_special): Likewise.
6878         * testsuite/ver_script_8.script: New file.
6879         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6880         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6881         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6882         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6883
6884 2008-05-06  Ian Lance Taylor  <iant@google.com>
6885
6886         PR 6049
6887         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6888         functions.
6889         (class General_options): Remove existing --undefined, and add
6890         --no-undefined instead.  Add new --undefined as synonym for -u.
6891         * archive.cc (Archive::add_symbols): Check whether symbol was
6892         named with -u.
6893         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6894         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6895         all uses.  Add IS_UNDEFINED.  Update declarations to split
6896         different versions of init_base.  Declare init_base_undefined.
6897         (Symbol::is_defined): Handle IS_UNDEFINED.
6898         (Symbol::is_undefined): Likewise.
6899         (Symbol::is_weak_undefined): Call is_undefined.
6900         (Symbol::is_absolute): Handle IS_CONSTANT.
6901         (class Sized_symbol): Update declarations to split different
6902         versions of init.  Declare init_undefined.
6903         (class Symbol_table): Declare new functions.
6904         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6905         Change all callers.
6906         (Symbol::init_base_output_data): Likewise.
6907         (Symbol::init_base_output_segment): Likewise.
6908         (Symbol::init_base_constant): Likewise.
6909         (Symbol::init_base_undefined): New function.
6910         (Sized_symbol::init_object): Rename from init.  Change all
6911         callers.
6912         (Sized_symbol::init_output_data): Likewise.
6913         (Sized_symbol::init_output_segment): Likewise.
6914         (Sized_symbol::init_constant): Likewise.
6915         (Sized_symbol::init_undefined): New function.
6916         (Symbol_table::add_undefined_symbols_from_command_line): New
6917         function.
6918         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6919         function.
6920         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6921         (Symbol::output_section): Likewise.
6922         (Symbol::set_output_section): Likewise.
6923         (Symbol_table::sized_finalize_symbol): Likewise.
6924         (Symbol_table::sized_write_globals): Likewise.
6925         * resolve.cc (Symbol_table::should_override): Likewise.
6926         (Symbol::override_base_with_special): Likewise.
6927
6928         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6929         symbol, change it to have default visibility.
6930         * testsuite/protected_1.cc: New file.
6931         * testsuite/protected_2.cc: New file.
6932         * testsuite/protected_3.cc: New file.
6933         * testsuite/protected_main_1.cc: New file.
6934         * testsuite/protected_main_2.cc: New file.
6935         * testsuite/protected_main_3.cc: New file.
6936         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6937         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6938         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6939         (protected_1.so): New target.
6940         (protected_1_pic.o, protected_2_pic.o): New targets.
6941         (protected_3_pic.o): New target.
6942         (check_PROGRAMS): Add protected_2.
6943         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6944         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6945         * testsuite/Makefile.in: Rebuild.
6946
6947         * options.h (DEFINE_var): Add set_user_set_##varname__.
6948         (DEFINE_bool_alias): New macro.
6949         (class General_options): Define -Bstatic using DEFINE_bool_alias
6950         rather than DEFINE_special.  Add --undefined as an alias for -z
6951         defs.
6952         * options.cc (General_options::parse_Bstatic): Remove.
6953
6954         * options.h (class General_options): Add --fatal-warnings.
6955         * main.cc (main): Implement --fatal-warnings.
6956         * errors.h (Errors::warning_count): New function.
6957
6958         * options.h (class General_options): Add -Bsymbolic-functions.
6959         * symtab.h (Symbol::is_preemptible): Check for
6960         -Bsymbolic-functions.
6961
6962 2008-05-05  Ian Lance Taylor  <iant@google.com>
6963
6964         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6965         as noVARNAME rather than no-VARNAME.
6966         (class General_options): Add option -z combreloc.
6967         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6968         get_address.
6969         (Output_reloc::sort_before) [SHT_REL]: New function.
6970         (Output_reloc::sort_before) [SHT_RELA]: New function.
6971         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6972         Sort_relocs_comparison.
6973         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6974         parameter.  Change all callers.
6975         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6976         sort_relocs parameter.  Change all callers.
6977         * output.cc (Output_reloc::get_address): New function, broken out
6978         of write_rel.
6979         (Output_reloc::write_rel): Call it.
6980         (Output_reloc::compare): New function.
6981         (Output_data_reloc_base::do_write): Optionally sort relocs.
6982
6983         * configure.ac: If targ_extra_obj is set, link it in.
6984         * configure.tgt: Initialize all variables.
6985         (x86_64*): Set targ_extra_obj and targ_extra_size.
6986         * configure: Rebuild.
6987
6988         * object.cc (Sized_relobj::include_section_group): Adjust section
6989         indexes read from group data.  Build vector to pass to
6990         layout_group.
6991         * layout.cc (Layout::layout_group): Add flags and shndxes
6992         parameters.  Remove contents parameter.  Change caller.  Update
6993         explicit instantiations.
6994         * layout.h (class Layout): Update layout_group declaration.
6995         * output.cc (Output_data_group::Output_data_group): Add flags and
6996         input_shndxes parameters.  Remove contents parameter.  Change
6997         caller.
6998         (Output_data_group::do_write): Change input_sections_ to
6999         input_shndxes_.
7000         * output.h (class Output_data_group): Update constructor
7001         declaration.  Rename input_sections_ to input_shndxes_.
7002         * testsuite/many_sections_test.cc: Add template.
7003
7004 2008-04-30  Cary Coutant  <ccoutant@google.com>
7005
7006         * target-reloc.h (relocate_section): Fix dead-pointer bug.
7007
7008         * layout.cc (Layout::include_section): Refactored check for debug
7009         info section.
7010         (Layout::add_comdat): Add new parameters.  Change type
7011         of signature parameter.  Add object and shndx to signatures table.
7012         (Layout::find_kept_object): New function.
7013         * layout.h: Include <cstring>.
7014         (Layout::is_debug_info_section): New function.
7015         (Layout::add_comdat): Add new parameters.
7016         (Layout::find_kept_object): New function.
7017         (Layout::Kept_section): New struct.
7018         (Layout::Signatures): Change type of map range.
7019         * object.cc (Relobj::output_section_address): New function.
7020         (Sized_relobj::include_section_group): Add new parameters.  Change
7021         calls to Layout::add_comdat.  Change to build table of kept comdat
7022         groups and table mapping discarded sections to kept sections.
7023         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
7024         (Sized_relobj::do_layout): Change calls to include_section_group and
7025         include_linkonce_section.
7026         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
7027         value to zero when section is discarded.
7028         (Sized_relobj::map_to_kept_section): New function.
7029         * object.h (Relobj::output_section_address): New function.
7030         (Relobj::Comdat_group): New type.
7031         (Relobj::find_comdat_group): New function.
7032         (Relobj::Comdat_group_table): New type.
7033         (Relobj::Kept_comdat_section): New type.
7034         (Relobj::Kept_comdat_section_table): New type.
7035         (Relobj::add_comdat_group): New function.
7036         (Relobj::set_kept_comdat_section): New function.
7037         (Relobj::get_kept_comdat_section): New function.
7038         (Relobj::comdat_groups_): New field.
7039         (Relobj::kept_comdat_sections_): New field.
7040         (Symbol_value::input_value): Update comment.
7041         (Sized_relobj::map_to_kept_section) New function.
7042         (Sized_relobj::include_linkonce_section): Add new parameter.
7043         * target-reloc.h (Comdat_behavior): New type.
7044         (get_comdat_behavior): New function.
7045         (relocate_section): Add code to map a discarded section to the
7046         corresponding kept section when applying a relocation.
7047
7048 2008-04-30  Craig Silverstein  <csilvers@google.com>
7049
7050         * dwarf_reader.cc (next_generation_count): New static var.
7051         (Addr2line_cache_entry): New struct.
7052         (addr2line_cache): New static var.
7053         (Dwarf_line_info::one_addr2line): Added caching.
7054         (Dwarf_line_info::clear_addr2line_cache): New function.
7055         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
7056         cache-size parameter.
7057         (Dwarf_line_info::one_addr2line_cache): New function.
7058         * symtab.cc (Symbol_table::detect_odr_violations): Pass
7059         new cache-size argument to one_addr2line(), and clear cache.
7060
7061 2008-04-28  Cary Coutant  <ccoutant@google.com>
7062
7063         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
7064         R_386_PC8 relocations.
7065
7066 2008-04-23  Ian Lance Taylor  <iant@google.com>
7067
7068         * object.cc (Sized_relobj::include_section_group): Check for
7069         invalid section group.
7070
7071         * object.cc (make_elf_object): Correct test for 64-bit ELF file
7072         header size.
7073
7074         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
7075         than read for file header.
7076         * archive.cc (Archive::include_member): Likewise.
7077
7078 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
7079
7080         * aclocal.m4: Regenerate.
7081         * configure: Regenerate.
7082
7083 2008-04-19  Ian Lance Taylor  <iant@google.com>
7084
7085         * version.cc (version_string): Bump to 1.6.
7086
7087         * testsuite/Makefile.am (many_sections_r_test): New target.
7088         (many_sections_r_test_SOURCES): Remove.
7089         (many_sections_r_test_DEPENDENCIES): Remove.
7090         (many_sections_r_test_LDFLAGS): Remove.
7091         (many_sections_r_test_LDADD): Remove.
7092
7093         * object.cc (Sized_relobj::do_add_symbols): Always pass
7094         local_symbol_count_ to add_from_relobj.
7095
7096         * testsuite/Makefile.am (many_sections_check.h): Only check one in
7097         every thousand variables.
7098         * testsuite/Makefile.in: Rebuild.
7099
7100         * object.cc (Xindex::initialize_symtab_xindex): New function.
7101         (Xindex::read_symtab_xindex): New function.
7102         (Xindex::sym_xindex_to_shndx): New function.
7103         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
7104         available.
7105         (Sized_relobj::do_initialize_xindex): New function.
7106         (Sized_relobj::do_read_symbols): Adjust section links.
7107         (Sized_relobj::symbol_section_and_value): Add is_ordinary
7108         parameter.  Change all callers.
7109         (Sized_relobj::include_section_group): Adjust section links and
7110         symbol section indexes.
7111         (Sized_relobj::do_layout): Adjust section links.
7112         (Sized_relobj::do_count_local_symbols): Adjust section links and
7113         symbol section indexes.
7114         (Sized_relobj::do_finalize_local_symbols): Distinguish between
7115         ordinary and special symbols.
7116         (Sized_relobj::write_local_symbols): Add symtab_xindex and
7117         dynsym_xindex parameters.  Change all callers.  Adjust section
7118         links.  Use SHN_XINDEX when needed.
7119         (Sized_relobj::get_symbol_location_info): Adjust section links.
7120         Don't get fooled by special symbols.
7121         * object.h (class Xindex): Define.
7122         (class Object): Add xindex_ parameter.  Declare virtual functoin
7123         do_initialize_xindex.
7124         (Object::adjust_sym_shndx): New function.
7125         (Object::set_xindex): New protected function.
7126         (class Symbol_value): Add is_ordinary_shndx_ field.
7127         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
7128         (Symbol_value::value): Assert ordinary section.
7129         (Symbol_value::initialize_input_to_output_map): Likewise.
7130         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
7131         Change all callers.
7132         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
7133         all callers.
7134         (class Sized_relobj): Update declarations.
7135         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
7136         parameter.  Change all callers.
7137         (Sized_relobj::adjust_shndx): New function.
7138         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
7139         field.
7140         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
7141         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
7142         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
7143         (Sized_dynobj::read_dynsym_section): Adjust section links.
7144         (Sized_dynobj::read_dynamic): Likewise.
7145         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
7146         section links.
7147         (Sized_dynobj::do_initialize_xindex): New function.
7148         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
7149         do_initialize_xindex.
7150         (Sized_dynobj::adjust_shndx): New function.
7151         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
7152         dynsym_xindex_ fields.
7153         (Layout::finalize): Add a call to set_section_indexes before
7154         creating the symtab sections.
7155         (Layout::set_section_indexes): Don't do anything if the section
7156         already has a section index.
7157         (Layout::create_symtab_sections): Add shnum parameter.  Change
7158         caller.  Create .symtab_shndx section if needed.
7159         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
7160         caller.
7161         (Layout::allocated_output_section_count): New function.
7162         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
7163         needed.
7164         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
7165         fields.  Update declarations.
7166         (Layout::symtab_xindex): New function.
7167         (Layout::dynsym_xindex): New function.
7168         (class Write_symbols_task): Add layout_ field.
7169         (Write_symbols_task::Write_symbols_task): Add layout parameter.
7170         Change caller.
7171         * output.cc (Output_section_headers::Output_section_headers): Add
7172         shstrtab_section parameter.  Change all callers.
7173         (Output_section_headers::do_sized_write): Store overflow values
7174         for section count and section string table section index in
7175         section header zero.
7176         (Output_file_header::do_sized_write): Check for overflow of
7177         section count and section string table section index.
7178         (Output_symtab_xindex::do_write): New function.
7179         (Output_symtab_xindex::endian_do_write): New function.
7180         * output.h (class Output_section_headers): Add shstrtab_section_.
7181         Update declarations.
7182         (class Output_symtab_xindex): Define.
7183         (Output_section::has_out_shndx): New function.
7184         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
7185         field.
7186         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
7187         Change all callers.
7188         (Sized_symbol::init): Likewise.
7189         (Symbol::output_section): Check for ordinary symbol.
7190         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
7191         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
7192         callers.
7193         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
7194         Change all callers.  Simplify handling of symbols from sections
7195         not included in the link.
7196         (Symbol_table::add_from_dynobj): Handle ordinary symbol
7197         distinction.
7198         (Weak_alias_sorter::operator()): Assert that symbols are
7199         ordinary.
7200         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
7201         distinction.
7202         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
7203         parameters.  Change all callers.
7204         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
7205         symbol distinction.  Use SHN_XINDEX when needed.
7206         (Symbol_table::write_section_symbol): Add symtab_xindex
7207         parameter.  Change all callers.
7208         (Symbol_table::sized_write_section_symbol): Likewise.  Use
7209         SHN_XINDEX when needed.
7210         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
7211         declarations.
7212         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
7213         (Symbol::is_defined): Check is_ordinary.
7214         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
7215         (Symbol::is_absolute, Symbol::is_common): Likewise.
7216         (class Sized_symbol): Update declarations.
7217         (class Symbol_table): Update declarations.
7218         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
7219         parameters.  Change all callers.
7220         (Sized_symbol::override): Likewise.
7221         (Symbol_table::override): Likewise.
7222         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
7223         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
7224         is_ordinary, and orig_st_shndx parameters.  Change all callers.
7225         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
7226         to be in an ordinary section.
7227         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
7228         object and is_ordinary parameters.  Change all callers.
7229         (Sized_dwarf_line_info::read_relocs): Add object parameter.
7230         Change all callers.  Don't add undefined or non-ordinary symbols
7231         to reloc_map_.
7232         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
7233         Change all callers.
7234         * dwarf_reader.h (class Sized_dwarf_line_info): Update
7235         declarations.
7236         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
7237         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
7238         (Sized_relobj::relocate_sections): Likewise.
7239         * target-reloc.h (scan_relocs): Adjust section symbol index.
7240         (scan_relocatable_relocs): Likewise.
7241         * i386.cc (Scan::local): Check for ordinary symbols.
7242         * sparc.cc (Scan::local): Likewise.
7243         * x86_64.cc (Scan::local): Likewise.
7244         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
7245         to symbol_section_and_value.
7246         * testsuite/many_sections_test.cc: New file.
7247         * testsuite/Makefile.am (BUILT_SOURCES): Define.
7248         (check_PROGRAMS): Add many_sections_test.
7249         (many_sections_test_SOURCES): Define.
7250         (many_sections_test_DEPENDENCIES): Define.
7251         (many_sections_test_LDFLAGS): Define.
7252         (BUILT_SOURCES): Add many_sections_define.h.
7253         (many_sections_define.h): New target.
7254         (BUILT_SOURCES): Add many_sections_check.h.
7255         (many_sections_check.h): New target.
7256         (check_PROGRAMS): Add many_sections_r_test.
7257         (many_sections_r_test_SOURCES): Define.
7258         (many_sections_r_test_DEPENDENCIES): Define.
7259         (many_sections_r_test_LDFLAGS): Define.
7260         (many_sections_r_test_LDADD): Define.
7261         (many_sections_r_test.o): New target.
7262         * testsuite/Makefile.in: Rebuild.
7263
7264 2008-04-17  Cary Coutant  <ccoutant@google.com>
7265
7266         * errors.cc (Errors::info): New function.
7267         (gold_info): New function.
7268         * errors.h (Errors::info): New function.
7269         * gold.h (gold_info): New function.
7270         * object.cc (Input_objects::add_object): Print trace output.
7271         * options.cc (options::parse_set): New function.
7272         (General_options::parse_wrap): Deleted.
7273         (General_options::General_options): Deleted initializer.
7274         * options.h (options::String_set): New typedef.
7275         (options::parse_set): New function.
7276         (DEFINE_set): New macro.
7277         (General_options::wrap): Changed to use DEFINE_set. Changed
7278         callers of any_wrap_symbols and is_wrap_symbol.
7279         (General_options::trace, General_options::trace_symbol):
7280         New options.
7281         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
7282         (General_options::wrap_symbols_): Deleted.
7283         * symtab.cc (Symbol_table::add_from_object): Print trace output.
7284
7285 2008-04-17  David S. Miller  <davem@davemloft.net>
7286
7287         * options.cc (General_options::parse_V): New function.
7288         * options.h: Add entries for -V and -Qy.
7289
7290 2008-04-17  Ian Lance Taylor  <iant@google.com>
7291
7292         * common.cc (Symbol_table::allocate_commons): Remove options
7293         parameter.  Change caller.
7294         (Symbol_table::do_allocate_commons): Remove options parameter.
7295         Change caller.  Just call do_allocate_commons_list twice.
7296         (Symbol_table::do_allocate_commons_list): New function, broken out
7297         of do_allocate_commons.
7298         * common.h (class Allocate_commons_task): Remove options_ field.
7299         Update constructor.
7300         * symtab.cc (Symbol_table::Symbol_table): Initialize
7301         tls_commons_.
7302         (Symbol_table::add_from_object): Put TLS common symbols on
7303         tls_commons_ list.
7304         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
7305         which are IN_OUTPUT_DATA.
7306         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
7307         allocate_commons and do_allocate_commons declarations.  Declare
7308         do_allocate_commons_list.
7309         * gold.cc (queue_middle_tasks): Update creation of
7310         Allocate_commons_task to not pass options.
7311         * testsuite/Makefile.am (INCLUDES): Add -I.. .
7312         (TLS_TEST_C_FLAGS): New variable.
7313         (tls_test_c_pic.o): New target.
7314         (tls_test_shared.so): Link in tls_test_c_pic.o.
7315         (tls_test_c_pic_ie.o): New target.
7316         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
7317         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
7318         (tls_test_c.o): New target.
7319         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
7320         (tls_pic_test_LDADD): Likewise.
7321         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
7322         (tls_shared_gd_to_ie_test_LDADD): Likewise.
7323         (tls_test_c_gnu2.o): New target.
7324         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
7325         tls_test_c_gnu2.o.
7326         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
7327         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
7328         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
7329         * testsuite/tls_test.cc: Include "config.h".
7330         (t_last): Call t11_last.
7331         * testsuite/tls_test.h (t11, t11_last): Declare.
7332         * testsuite/tls_test_c.c: New file.
7333         * testsuite/tls_test_main.cc (thread_routine): Call t11.
7334         * configure.ac: Check for OpenMP support.
7335         * configure, config.in, Makefile.in: Rebuild.
7336         * testsuite/Makefile.in: Rebuild.
7337
7338 2008-04-16  Cary Coutant  <ccoutant@google.com>
7339
7340         * i386.cc (Target_i386::define_tls_base_symbol): New function.
7341         (Target_i386::tls_base_symbol_defined_): New field.
7342         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7343         (Target_i386::Scan::global): Likewise.
7344         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
7345         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
7346         (Target_x86_64::tls_base_symbol_defined_): New field.
7347         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7348         (Target_x86_64::Scan::global): Likewise.
7349
7350 2008-04-16  Cary Coutant  <ccoutant@google.com>
7351
7352         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
7353         (Symbol::needs_plt_entry): Allow weak undefined symbols.
7354         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
7355         building shared libraries.
7356         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
7357         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
7358         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
7359         * testsuite/Makefile.in: Rebuild.
7360         * testsuite/weak_undef.h: New file.
7361         * testsuite/weak_undef_file1.cc: Add extra test cases.
7362         * testsuite/weak_undef_file2.cc: Likewise.
7363         * testsuite/weak_undef_test.cc: Likewise.
7364
7365 2008-04-16  David S. Miller  <davem@davemloft.net>
7366
7367         * sparc.cc (Target_sparc::Scan): Change from struct to class.
7368         Add issued_non_pic_error_ field.  Declare check_non_pic.
7369         (Target_sparc::Scan::check_non_pic): New function.
7370         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
7371         (Target_sparc::Scan::global): Likewise.
7372
7373         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7374         * configure: Rebuild.
7375
7376         * options.h (DEFINE_enable): New macro.
7377         (new_dtags): New enable option.
7378         (initfirst, interpose, loadfltr, nodefaultlib,
7379         nodelete, nodlopen, nodump): New -z options.
7380         * layout.cc (Layout:finish_dynamic_section): If new
7381         dtags enabled, emit DT_RUNPATH.  Also, emit a
7382         DT_FLAGS_1 containing any specified -z flags.
7383
7384 2008-04-16  Ian Lance Taylor  <iant@google.com>
7385
7386         * copy-relocs.cc: New file.
7387         * copy-relocs.h: New file.
7388         * reloc.cc: Remove Copy_relocs code.
7389         * reloc.h: Likewise.
7390         * reloc-types.h (struct Reloc_types) [both versions]: Add
7391         get_reloc_addend_noerror.
7392         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7393         variants of add_global which take an addend which must be zero.
7394         * i386.cc: Include "copy-relocs.h".
7395         (class Target_i386): Change type of copy_relocs_ to variable,
7396         update initializer.
7397         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7398         Change all callers.
7399         (Target_i386::do_finalize_sections): Change handling of
7400         copy_relocs_.
7401         * sparc.cc: Include "copy-relocs.h".
7402         (class Target_sparc): Change type of copy_relocs_ to variable,
7403         update initializer.
7404         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7405         Change all callers.
7406         (Target_sparc::do_finalize_sections): Change handling of
7407         copy_relocs_.
7408         * x86_64.cc: Include "copy-relocs.h".
7409         (class Target_x86_64): Change type of copy_relocs_ to variable,
7410         update initializer.
7411         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7412         class.  Change all callers.
7413         (Target_x86_64::do_finalize_sections): Change handling of
7414         copy_relocs_.
7415         * Makefile.am (CCFILES): Add copy-relocs.cc.
7416         (HFILES): Add copy-relocs.h.
7417
7418         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7419
7420         * testsuite/script_test_4.sh: Permit leading zeroes.
7421
7422 2008-04-15  Ian Lance Taylor  <iant@google.com>
7423
7424         * script-sections.cc (Script_sections::create_segments): Use
7425         header_size_adjustment even when there is enough room for the
7426         headers.
7427         * testsuite/script_test_4.sh: New file.
7428         * testsuite/script_test_4.t: New file.
7429         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7430         (check_DATA): Add script_test_4.stdout.
7431         (MOSTLYCLEANFILES): Likewise.
7432         (script_test_4): New target.
7433         (script_test_4.stdout): New target.
7434         * testsuite/Makefile.in: Rebuild.
7435
7436         * sparc.cc: Add definitions for Output_data_plt_sparc class
7437         constants.
7438
7439 2008-04-14  David S. Miller  <davem@davemloft.net>
7440
7441         * sparc.cc: New file.
7442         * Makefile.am (TARGETSOURCES): Add sparc.cc
7443         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7444         * configure.tgt: Document targ_extra_size and
7445         targ_extra_big_endian.  Add entries for sparc-* and
7446         sparc64-*.
7447         * configure.ac: Handle targ_extra_size and
7448         targ_extra_big_endian.
7449         * Makefile.in: Rebuild.
7450         * configure: Likewise.
7451         * po/POTFILES.in: Likewise.
7452         * po/gold.pot: Likewise.
7453
7454 2008-04-14  Ian Lance Taylor  <iant@google.com>
7455
7456         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7457         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7458         in the name/type/flags to section mapping.  Don't call
7459         allocate_output_section.
7460         (Layout::choose_output_section): Change parameter from adjust_name
7461         to is_input_section.  Don't permit input sections after sections
7462         are attached to segments.  Don't call allocate_output_section.
7463         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7464         not write_enable_output_section.
7465         (Layout::make_output_section): Don't push to
7466         unattached_section_list_ nor call attach_to_segment.  Call
7467         attach_section_to_segment if sections are attached.
7468         (Layout::attach_sections_to_segments): New function.
7469         (Layout::attach_section_to_segment): New function.
7470         (Layout::attach_allocated_section_to_segment): Rename from
7471         attach_to_segment.  Remove flags parameter.
7472         (Layout::allocate_output_section): Remove function.
7473         (Layout::write_enable_output_section): Remove function.
7474         * layout.h (class Layout): Update for above changes.  Add new
7475         field sections_are_attached_.
7476         * output.h (Output_section::update_flags_for_input_section): New
7477         function.
7478         * output.cc (Output_section::add_input_section): Call
7479         update_flags_for_input_section.
7480         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7481
7482 2008-04-11  Cary Coutant  <ccoutant@google.com>
7483
7484         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7485         thought unnecessary.
7486         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7487
7488 2008-04-11  Ian Lance Taylor  <iant@google.com>
7489
7490         * output.h (class Output_section_data): Remove inline definition
7491         of set_addralign.
7492         * output.cc (Output_section_data::set_addralign): New function.
7493
7494 2008-04-11  Cary Coutant  <ccoutant@google.com>
7495
7496         Add support for TLS descriptors for i386 and x86_64.
7497         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7498         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7499         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7500         GOT_TYPE_TLS_DESC.
7501         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7502         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7503         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7504         relocations.
7505         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7506         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7507         Fix problem with initial-exec relocations.
7508         (Target_i386::Relocate::relocate_tls): Likewise.
7509         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7510         relaxation.
7511         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7512         support for section-plus-offset dynamic table entries.
7513         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7514         (Output_data_dynamic::Dynamic_entry): Add support for
7515         section-plus-offset dynamic table entries.
7516         (Output_data_dynamic::Classification): Likewise.
7517         (Output_data_dynamic::classification_): Renamed offset_.
7518         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7519         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7520         (Target_x86_64::make_plt_section): New function.
7521         (Target_x86_64::reserve_tlsdesc_entries): New function.
7522         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7523         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7524         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7525         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7526         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7527         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7528         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7529         add extra PLT entry for TLS descriptors.
7530         (Output_data_plt_x86_64::got_): New field.
7531         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7532         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7533         fields.
7534         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7535         descriptors.
7536         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7537         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7538         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7539         R_386_TLS_DESC_CALL relocations.
7540         (Target_x86_64::Scan::global): Likewise.
7541         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7542         for TLS descriptors.
7543         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7544         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7545         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7546         GD-to-IE relaxation.
7547         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7548         and TLS_DESCRIPTORS.
7549         * Makefile.in: Rebuild.
7550         * configure: Rebuild.
7551         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7552         (tls_test_shared2.so): New target.
7553         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7554         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7555         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7556         (tls_shared_gd_to_ie_test_LDADD): New variable.
7557         (tls_shared_gnu2_gd_to_ie_test): New target.
7558         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7559         New targets.
7560         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7561         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7562         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7563         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7564         (tls_shared_gnu2_test): New target.
7565         (tls_test_gnu2_shared.so): New target.
7566         (tls_shared_gnu2_test_SOURCES): New variable.
7567         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7568         (tls_shared_gnu2_test_LDFLAGS): New variable.
7569         (tls_shared_gnu2_test_LDADD): New variable.
7570         * testsuite/Makefile.in: Rebuild.
7571         * testsuite/Makefile.
7572
7573 2008-04-11  Ian Lance Taylor  <iant@google.com>
7574
7575         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7576         justsyms.t.
7577         * testsuite/Makefile.in: Rebuild.
7578
7579         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7580         long.
7581         * testsuite/script_test_2.cc (main): Adjust test.
7582
7583 2008-04-11  David S. Miller  <davem@davemloft.net>
7584             Ian Lance Taylor  <iant@google.com>
7585
7586         * options.h (General_options): Add entries for '-Y' and
7587         '-relax'.
7588         * options.cc (General_options:finalize): If -Y was used, add those
7589         entries to the library path instead of the default "/lib" and
7590         "/usr/lib".
7591
7592 2008-04-11  David S. Miller  <davem@davemloft.net>
7593
7594         * testsuite/justsyms.t: Start at 0x100.
7595         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7596         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7597         long.
7598         * testsuite/script_test_2.cc: Adjust string and section length
7599         checks.
7600
7601 2008-04-09  Ian Lance Taylor  <iant@google.com>
7602
7603         PR gold/5996
7604         * script-sections.cc (Sections_element::allocate_to_segment): Add
7605         orphan parameter.
7606         (Output_section_definition::allocate_to_segment): Likewise.
7607         (Orphan_output_section::allocate_to_segment): Likewise.
7608         (Script_sections::attach_sections_using_phdrs_clause): Don't
7609         propagate non-PT_LOAD segments to orphan sections.
7610         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7611         readelf rather than objdump.
7612         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7613         .interp section and PT_INTERP segment are the same size.
7614         * testsuite/Makefile.in: Rebuild.
7615
7616         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7617         aliases for symbols defined in the same object.
7618         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7619         (weak_alias_test_SOURCES): New variable.
7620         (weak_alias_test_DEPENDENCIES): New variable.
7621         (weak_alias_test_LDFLAGS): New variable.
7622         (weak_alias_test_LDADD): New variable.
7623         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7624         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7625         (weak_alias_test_3.o): New target.
7626         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7627         * testsuite/weak_alias_test_main.cc: New file.
7628         * testsuite/weak_alias_test_1.cc: New file.
7629         * testsuite/weak_alias_test_2.cc: New file.
7630         * testsuite/weak_alias_test_3.cc: New file.
7631
7632 2008-04-08  Ian Lance Taylor  <iant@google.com>
7633
7634         * options.h (class General_options): Add --noinhibit-exec option.
7635         * main.cc (main): Check --noinhibit-exec.
7636
7637         * options.h (class General_options): Define --wrap as a special
7638         option.  Add wrap_symbols_ field.
7639         (General_options::any_wrap_symbols): New function.
7640         (General_options::is_wrap_symbol): New function.
7641         * options.cc (General_options::parse_wrap): New function.
7642         (General_options::General_options): Initialize wrap_symbols_.
7643         * symtab.cc (Symbol_table::wrap_symbol): New function.
7644         (Symbol_table::add_from_object): Handle --wrap.
7645         * symtab.h (class Symbol_table): Declare wrap_symbol.
7646         * target.h (Target::wrap_char): New function.
7647         (Target::Target_info): Add wrap_char field.
7648         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7649         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7650         * testsuite/testfile.cc (Target_test::test_target_info):
7651         Likewise.
7652
7653         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7654         there is one.
7655
7656         * layout.h (class Layout): Add added_eh_frame_data_ field.
7657         * layout.cc (Layout::Layout): Initialize new field.
7658         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7659         output section until we find a section we merged successfully.
7660         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7661         that the size be non-zero.
7662
7663         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7664         qualifier.
7665
7666 2008-04-08  Craig Silverstein  <csilvers@google.com>
7667
7668         * configure.ac: Export new conditional variable HAVE_ZLIB.
7669         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7670         on HAVE_ZLIB.
7671         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7672         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7673
7674 2008-04-07  Ian Lance Taylor  <iant@google.com>
7675
7676         * version.cc (version_string): Set to "1.5".
7677
7678         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7679         Add issued_non_pic_error_ field.  Declare check_non_pic.
7680         (Target_x86_64::Scan::check_non_pic): New function.
7681         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7682         (Target_x86_64::Scan::global): Likewise.
7683
7684         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7685         addend parameter.  Change caller.  Handle merge sections.
7686         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7687         Address to Addend.  Don't add in the result of
7688         local_section_offset, pass down the addend and use the returned
7689         value.
7690         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7691         Update declarations of local_section_offset and symbol_value.
7692         * testsuite/two_file_test_1.cc (t18): New function.
7693         * testsuite/two_file_test_2.cc (f18): New function.
7694         * testsuite/two_file_test_main.cc (main): Call t18.
7695         * testsuite/two_file_test.h (t18, f18): Declare.
7696
7697         * configure.ac: Don't test for objdump, c++filt, or readelf.
7698         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7699         conditionals.
7700         (TEST_READELF): New variable.
7701         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7702         (check_PROGRAMS): Add two_file_strip_test.
7703         (two_file_strip_test): New target.
7704         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7705         (two_file_same_shared_strip_test_SOURCES): New variable.
7706         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7707         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7708         (two_file_same_shared_strip_test_LDADD): New variable.
7709         (two_file_shared_strip.so): New target.
7710         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7711         (ver_test_5.syms, ver_test_7.syms): Likewise.
7712         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7713         (strip_test_3.stdout): Use TEST_OBJDUMP.
7714         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7715
7716 2008-04-04  Cary Coutant  <ccoutant@google.com>
7717
7718         * symtab.h (Symbol::is_weak_undefined): New function.
7719         (Symbol::is_strong_undefined): New function.
7720         (Symbol::is_absolute): New function.
7721         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7722         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7723         absolute symbols.
7724         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7725         (weak_undef_test): New target.
7726         * testsuite/Makefile.in: Rebuild.
7727         * testsuite/weak_undef_file1.cc: New file.
7728         * testsuite/weak_undef_file2.cc: New file.
7729         * testsuite/weak_undef_test.cc: New file.
7730
7731 2008-04-03  Craig Silverstein  <csilvers@google.com>
7732
7733         * compressed_output.h (class Output_compressed_section): Use
7734         unsigned buffer.
7735         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7736         add zlib header.
7737         (zlib_compressed_suffix): Removed.
7738         (Output_compressed_section::set_final_data_size): Use unsigned
7739         buffers.
7740         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7741         Fix linker invocation.
7742         (flagstest_o_specialfile_and_compress_debug_sections):
7743         Likewise.
7744         * testsuite/Makefile.in: Regenerated.
7745
7746 2008-04-02  David S. Miller  <davem@davemloft.net>
7747
7748         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7749         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7750
7751 2008-04-02  Craig Silverstein  <csilvers@google.com>
7752
7753         * TODO: New file.
7754
7755 2008-04-02  Ian Lance Taylor  <iant@google.com>
7756
7757         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7758         parameters.  Update for new key type to views_.  Change all
7759         callers.
7760         (File_read::read): Adjust for byteshift in returned view.
7761         (File_read::add_view): New function, broken out of
7762         find_and_make_view.
7763         (File_read::make_view): New function, broken out of
7764         find_and_make_view.
7765         (File_read::find_or_make_view): Add offset and aligned
7766         parameters.  Rewrite accordingly.  Change all callers.
7767         (File_read::get_view): Add offset and aligned parameters.  Adjust
7768         for byteshift in return value.
7769         (File_read::get_lasting_view): Likewise.
7770         * fileread.h (class File_read): Update declarations.
7771         (class File_read::View): Add byteshift_ field.  Add byteshift to
7772         constructor.  Add byteshift method.
7773         * archive.h (Archive::clear_uncached_views): New function.
7774         (Archive::get_view): Add aligned parameter.  Change all callers.
7775         * object.h (Object::get_view): Add aligned parameter.  Change all
7776         callers.
7777         (Object::get_lasting_view): Likewise.
7778
7779         * fileread.cc (File_read::release): Don't call clear_views if
7780         there are multiple objects.
7781         * fileread.h (File_read::clear_uncached_views): New function.
7782         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7783         on the archive.
7784
7785 2008-03-31  Cary Coutant  <ccoutant@google.com>
7786
7787         Add thin archive support.
7788         * archive.cc (Archive::armagt): New const.
7789         (Archive::setup): Remove task parameter and calls to unlock.
7790         (Archive::unlock_nested_archives): New function.
7791         (Archive::read_header): Add nested_off parameter. Change
7792         all callers.
7793         (Archive::interpret_header): Likewise.
7794         (Archive::include_all_members): Change to handle thin
7795         archives.
7796         (Archive::include_member): Likewise.
7797         * archive.h (Archive::Archive): Add new parameters and
7798         initializers.
7799         (Archive::armagt): New const.
7800         (Archive::setup): Remove task parameter.
7801         (Archive::unlock_nested_archives): New function.
7802         (Archive::read_header): Add nested_off parameter.
7803         (Archive::interpret_header): Likewise.
7804         (Archive::Nested_archive_table): New typedef.
7805         (Archive::is_thin_archive_): New field.
7806         (Archive::nested_archives_): New field.
7807         (Archive::options_): New field.
7808         (Archive::dirpath_): New field.
7809         (Archive::task_): New field.
7810         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7811         for thin archives.  Pass additional parameters to
7812         Archive::Archive.  Unlock the archive file after calling
7813         Archive::setup.
7814
7815 2008-03-29  Ian Lance Taylor  <iant@google.com>
7816
7817         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7818         version symbol to be local.
7819         * testsuite/ver_test_4.sh: New file.
7820         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7821         (check_DATA): Add ver_test_4.syms.
7822         (ver_test_4.syms): New target.
7823         * testsuite/Makefile.in: Rebuild.
7824
7825         * output.cc
7826         (Output_section::Input_section_sort_entry::has_priority): New
7827         function.
7828         (Output_section::Input_section_sort_entry::match_file_name): New
7829         function.
7830         (Output_section::Input_section_sort_entry::match_section_name):
7831         Remove.
7832         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7833         Remove.
7834         (Output_section::Input_section_sort_entry::match_section_file):
7835         Remove.
7836         (Output_section::Input_section_sort_compare::operator()): Rewrite
7837         using new Input_section_sort_entry functions.  Sort crtbegin and
7838         crtend first.  Sort sections with no priority before sections with
7839         a priority.
7840         * testsuite/initpri1.c (d3): Check j != 4.
7841         (cd5): New constructor/destructor function.
7842         (main): Check j != 2.
7843
7844         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7845         new symbol when resolving, don't call set_is_default.
7846         * testsuite/ver_test_7.cc: New file.
7847         * testsuite/ver_test_7.sh: New file.
7848         * testsuite/Makefile.am (ver_test_7.so): New target.
7849         (ver_test_7.o): New target.
7850         (check_SCRIPTS): Add ver_test_7.sh.
7851         (check_DATA): Add ver_test_7.syms.
7852         (ver_test_7.syms): New target.
7853
7854 2008-03-28  Ian Lance Taylor  <iant@google.com>
7855
7856         * layout.cc (Layout::layout): If we see an input section with a
7857         name that needs sorting, set the must_sort flag for the output
7858         section.
7859         (Layout::make_output_section): If the name of the output section
7860         indicates that it might require sorting, set the may_sort flag.
7861         * output.h (Output_section::may_sort_attached_input_sections): New
7862         function.
7863         (Output_section::set_may_sort_attached_input_sections): New
7864         function.
7865         (Output_section::must_sort_attached_input_sections): New
7866         function.
7867         (Output_section::set_must_sort_attached_input_sections): New
7868         function.
7869         (class Output_section): Declare Input_section_sort_entry.  Define
7870         Input_section_sort_compare.  Declare
7871         sort_attached_input_sections.  Add new fields:
7872         may_sort_attached_input_sections_,
7873         must_sort_attached_input_sections_,
7874         attached_input_sections_are_sorted_.
7875         * output.cc (Output_section::Output_section): Initialize new
7876         fields.
7877         (Output_section::add_input_section): Add an entry to
7878         input_sections_ if may_sort or must_sort are true.
7879         (Output_section::set_final_data_size): Call
7880         sort_attached_input_sections if necessary.
7881         (Output_section::Input_section_sort_entry): Define new class.
7882         (Output_section::Input_section_sort_compare::operator()): New
7883         function.
7884         (Output_section::sort_attached_input_sections): New function.
7885         * configure.ac: Check whether the compiler supports constructor
7886         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7887         * testsuite/initpri1.c: New file.
7888         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7889         CONSTRUCTOR_PRIORITY.
7890         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7891         (initpri1_LDFLAGS): New variable.
7892         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7893
7894 2008-03-27  Ian Lance Taylor  <iant@google.com>
7895
7896         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7897         * testsuite/common_test_1.c: New file.
7898         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7899         (common_test_1_SOURCES): New variable.
7900         (common_test_1_DEPENDENCIES): New variable.
7901         (common_test_1_LDFLAGS): New variable.
7902
7903         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7904         and commons_ correctly when NAME/VERSION does not override
7905         NAME/NULL.
7906         * testsuite/ver_test_6.c: New file.
7907         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7908         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7909         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7910
7911 2008-03-26  Ian Lance Taylor  <iant@google.com>
7912
7913         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7914         of an undefined symbol from a version script.
7915         * testsuite/Makefile.am (ver_test_5.so): New target.
7916         (ver_test_5.o): New target.
7917         (check_SCRIPTS): Add ver_test_5.sh.
7918         (check_DATA): Add ver_test_5.syms.
7919         (ver_test_5.syms): New target.
7920         * testsuite/ver_test_5.cc: New file.
7921         * testsuite/ver_test_5.script: New file.
7922         * testsuite/ver_test_5.sh: New file.
7923         * Makefile.in, testsuite/Makefile.in: Rebuild.
7924
7925         PR gold/5986
7926         Fix problems building gold with gcc 4.3.0.
7927         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7928         (gold_error_at_location, gold_warning_at_location): Use it.
7929         * configure.ac: Check whether we can compile and use a template
7930         function with a printf attribute.
7931         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7932         when jumping over bytes.
7933         * object.cc: Instantiate Object::read_section_data.
7934         * debug.h: Include <cstring>
7935         * dwarf_reader.cc: Include <algorithm>
7936         * main.cc: Include <cstring>.
7937         * options.cc: Include <cstring>.
7938         * output.cc: Include <cstring>.
7939         * script.cc: Include <cstring>.
7940         * script.h: Include <string>.
7941         * symtab.cc: Include <cstring> and <algorithm>.
7942         * target-select.cc: Include <cstring>.
7943         * version.cc: Include <string>.
7944         * testsuite/testmain.cc: Include <cstdlib>.
7945         * configure, config.in: Rebuild.
7946
7947 2008-03-25  Ian Lance Taylor  <iant@google.com>
7948
7949         * options.cc: Include "../bfd/bfdver.h".
7950         (options::help): Print bug reporting address.
7951
7952         * version.cc (print_version): Adjust output for current value of
7953         BFD_VERSION_STRING.
7954
7955         * NEWS: New file.
7956
7957         * options.cc (options::help): Print list of supported targets.
7958         * target-select.h: Include <vector>.
7959         (class Target_selector): Make machine_, size_, and is_big_endian_
7960         fields const.  Add bfd_name_ and instantiated_target_ fields.
7961         (Target_selector::Target_selector): Add bfd_name parameter.
7962         (Target_selector::recognize): Make non-virtual, call
7963         do_recognize.
7964         (Target_selector::recognize_by_name): Make non-virtual, call
7965         do_recognize_by_name.
7966         (Target_selector::supported_names): New function.
7967         (Target_selector::bfd_name): New function.
7968         (Target_selector::do_instantiate_target): New pure virtual
7969         function.
7970         (Target_selector::do_recognize): New virtual function.
7971         (Target_selector::do_recognize_by_name): New virtual function.
7972         (Target_selector::instantiate_target): New private function.
7973         (supported_target_names): Declare.
7974         * target-select.cc (Target_selector::Target_selector): Update for
7975         new parameter and fields.
7976         (select_target_by_name): Check that the name matches before
7977         calling recognize_by_name.
7978         (supported_target_names): New function.
7979         * i386.cc (class Target_selector_i386): Update Target_selector
7980         constructor call.  Remove recognize and recognize_by_name.  Add
7981         do_instantiate_target.
7982         * x86_64.cc (class Target_selector_x86_64): Likewise.
7983         * testsuite/testfile.cc (class Target_selector_test): Update for
7984         changes to Target_selector.
7985
7986         * README: Rewrite, with some notes on unsupported features.
7987
7988 2008-03-24  Cary Coutant  <ccoutant@google.com>
7989
7990         * i386.cc (Target_i386::Got_type): New enum declaration.
7991         (Target_i386::Scan::local): Updated callers of Output_data_got
7992         member functions.
7993         (Target_i386::Scan::global): Likewise.
7994         (Target_i386::Relocate::relocate): Likewise.
7995         (Target_i386::Relocate::relocate_tls): Likewise.
7996         * object.h (Got_offset_list): New class.
7997         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7998         (Sized_relobj::local_got_offset): Likewise.
7999         (Sized_relobj::set_local_got_offset): Likewise.
8000         (Sized_relobj::local_has_tls_got_offset): Removed.
8001         (Sized_relobj::local_tls_got_offset): Removed.
8002         (Sized_relobj::set_local_tls_got_offset): Removed.
8003         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
8004         * output.cc (Output_data_got::add_global): Added got_type parameter.
8005         (Output_data_got::add_global_with_rel): Likewise.
8006         (Output_data_got::add_global_with_rela): Likewise.
8007         (Output_data_got::add_global_pair_with_rel): New function.
8008         (Output_data_got::add_global_pair_with_rela): New function.
8009         (Output_data_got::add_local): Added got_type parameter.
8010         (Output_data_got::add_local_with_rel): Likewise.
8011         (Output_data_got::add_local_with_rela): Likewise.
8012         (Output_data_got::add_local_pair_with_rel): New function.
8013         (Output_data_got::add_local_pair_with_rela): New function.
8014         (Output_data_got::add_global_tls): Removed.
8015         (Output_data_got::add_global_tls_with_rel): Removed.
8016         (Output_data_got::add_global_tls_with_rela): Removed.
8017         (Output_data_got::add_local_tls): Removed.
8018         (Output_data_got::add_local_tls_with_rel): Removed.
8019         (Output_data_got::add_local_tls_with_rela): Removed.
8020         * output.h (Output_data_got::add_global): Added got_type parameter.
8021         (Output_data_got::add_global_with_rel): Likewise.
8022         (Output_data_got::add_global_with_rela): Likewise.
8023         (Output_data_got::add_global_pair_with_rel): New function.
8024         (Output_data_got::add_global_pair_with_rela): New function.
8025         (Output_data_got::add_local): Added got_type parameter.
8026         (Output_data_got::add_local_with_rel): Likewise.
8027         (Output_data_got::add_local_with_rela): Likewise.
8028         (Output_data_got::add_local_pair_with_rel): New function.
8029         (Output_data_got::add_local_pair_with_rela): New function.
8030         (Output_data_got::add_global_tls): Removed.
8031         (Output_data_got::add_global_tls_with_rel): Removed.
8032         (Output_data_got::add_global_tls_with_rela): Removed.
8033         (Output_data_got::add_local_tls): Removed.
8034         (Output_data_got::add_local_tls_with_rel): Removed.
8035         (Output_data_got::add_local_tls_with_rela): Removed.
8036         * resolve.cc (Symbol::override_base_with_special): Removed
8037         reference to has_got_offset_ field.
8038         * symtab.cc (Symbol::init_fields): Replaced initialization
8039         of got_offset_ with got_offsets_.  Removed initialization
8040         of has_got_offset_
8041         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
8042         (Symbol::got_offset): Likewise.
8043         (Symbol::set_got_offset): Likewise.
8044         (Symbol::has_tls_got_offset): Removed.
8045         (Symbol::tls_got_offset): Removed.
8046         (Symbol::set_tls_got_offset): Removed.
8047         (Symbol::got_offset_): Removed.
8048         (Symbol::tls_mod_got_offset_): Removed.
8049         (Symbol::tls_pair_got_offset_): Removed.
8050         (Symbol::got_offsets_): New field.
8051         (Symbol::has_got_offset): Removed.
8052         (Symbol::has_tls_mod_got_offset): Removed.
8053         (Symbol::has_tls_pair_got_offset): Removed.
8054         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
8055         (Target_x86_64::Scan::local): Updated callers of Output_data_got
8056         member functions.
8057         (Target_x86_64::Scan::global): Likewise.
8058         (Target_x86_64::Relocate::relocate): Likewise.
8059         (Target_x86_64::Relocate::relocate_tls): Likewise.
8060
8061 2008-03-25  Ben Elliston  <bje@au.ibm.com>
8062
8063         * yyscript.y: Fix spelling error in comment.
8064
8065 2008-03-24  Ian Lance Taylor  <iant@google.com>
8066
8067         * options.h (class General_options): Define build_id option.
8068         * layout.h (class Layout): Declare write_build_id, create_note,
8069         create_build_id.  Add build_id_note_ member.
8070         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
8071         "libiberty.h", "md5.h", "sha1.h".
8072         (Layout::Layout): Initialize eh_frame_data_,
8073         eh_frame_hdr_section_, and build_id_note_.
8074         (Layout::finalize): Call create_build_id.
8075         (Layout::create_note): New function, broken out of
8076         Layout::create_gold_note.
8077         (Layout::create_gold_note): Call create_note.
8078         (Layout::create_build_id): New function.
8079         (Layout::write_build_id): New function.
8080         (Close_task_runner::run): Call write_build_id.
8081
8082         * x86_64.cc: Correct license to GPLv3.
8083
8084 2008-03-23  Ian Lance Taylor  <iant@google.com>
8085
8086         * options.cc: Include "demangle.h".
8087         (parse_optional_string): New function.
8088         (parse_long_option): Handle takes_optional_argument.
8089         (parse_short_option): Update dash_z initializer.  Handle
8090         takes_optional_argument.
8091         (General_options::General_options): Initialize do_demangle_.
8092         (General_options::finalize): Set do_demangle_.  Handle demangling
8093         style.
8094         * options.h (parse_optional_string): Declare.
8095         (struct One_option): Add optional_arg field.  Update constructor.
8096         Update call constructor calls.  Add takes_optional_argument
8097         function.
8098         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
8099         (DEFINE_optional_string): Define.
8100         (General_options::demangle): Change from DEFINE_bool to
8101         DEFINE_optional_string.
8102         (General_options::no_demangle): New function.
8103         (General_options::do_demangle): New function.
8104         (General_options::set_do_demangle): New function.
8105         (General_options::execstack_status_): Move definition to end of
8106         class definition.
8107         (General_options::static_): Likewise.
8108         (General_options::do_demangle_): New field.
8109         * object.cc (big_endian>::get_symbol_location_info): Call
8110         Options::do_demangle, not Options::demangle.
8111         * symtab.cc (demangle): Likewise.
8112
8113 2008-03-22  Ian Lance Taylor  <iant@google.com>
8114
8115         * gold.h: Include <cstddef> and <sys/types.h>
8116         * options.h: Include <cstring>.
8117
8118 2008-03-21  Ian Lance Taylor  <iant@google.com>
8119
8120         * Added source code to GNU binutils.