gold/ChangeLog

   1 2011-04-20 Cary Coutant  <ccoutant@google.com>
   2
   3         PR gold/12689
   4         * archive.h (Incremental_archive_entry::Archive_member):
   5         Initialize arg_serial_ (second constructor).
   6
   7 2011-04-17  Ian Lance Taylor  <iant@google.com>
   8
   9         * object.cc (Relocate_info::location): Simplify location string.
  10         * errors.cc (Errors::error_at_location): Don't print program
  11         name.
  12         (Errors::warning_at_location): Likewise.
  13         (Errors::undefined_symbol): Likewise.
  14         * testsuite/debug_msg.sh: Update accordingly.
  15
  16 2011-04-14 Cary Coutant  <ccoutant@google.com>
  17
  18         * gold/layout.cc (Layout::symtab_section_offset): New function.
  19         * gold/layout.h (Layout::symtab_section_offset): New function.
  20         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
  21
  22 2011-04-12  Ian Lance Taylor  <iant@google.com>
  23
  24         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
  25         with MREMAP_MAYMOVE.
  26         * output.h (class Output_file): Add map_is_allocated_ field.
  27         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
  28         not available, provide stubs.  If mremap is not available, #define
  29         it to gold_mremap.
  30         (MREMAP_MAYMOVE): Define if not defined.
  31         (Output_file::Output_file): Initialize map_is_allocated_.
  32         (Output_file::resize): Check map_is_allocated_.
  33         (Output_file::map_anonymous): If mmap fails, use malloc.
  34         (Output_file::unmap): Don't do anything for an anonymous map.
  35         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
  36         is not available, provide stubs.
  37         (File_read::View::~View): Use free rather than delete[].
  38         (File_read::make_view): Use malloc rather than new[].  If mmap
  39         fails, use malloc.
  40         (File_read::find_or_make_view): Use malloc rather than new[].
  41         * gold.h: Remove HAVE_REMAP code.
  42         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
  43         exists.  Rename mremap to gold_mremap.  If mmap is not available
  44         don't do anything.
  45         * configure, config.in: Rebuild.
  46
  47 2011-04-11  Ian Lance Taylor  <iant@google.com>
  48
  49         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
  50         initialize local variable v.
  51
  52 2011-04-11  Cary Coutant  <ccoutant@google.com>
  53
  54         * archive.cc (Archive::include_member): Adjust call to
  55         report_object.
  56         (Add_archive_symbols::run): Track argument serial numbers.
  57         (Lib_group::include_member): Likewise.
  58         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
  59         * archive.h (Incremental_archive_entry::Archive_member):
  60         Initialize arg_serial_.
  61         (Archive_member::arg_serial_): New data member.
  62         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
  63         (Sized_dynobj::do_add_symbols): Track symbols when doing an
  64         incremental link.
  65         (Sized_dynobj::do_for_all_local_got_entries): New function.
  66         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
  67         function.
  68         * fileread.cc (get_mtime): New function.
  69         * fileread.h (get_mtime): New function.
  70         * gold.cc (queue_initial_tasks): Check for incremental update.
  71         (process_incremental_input): New function.
  72         (queue_middle_tasks): Don't force valid target for incremental
  73         update.
  74         * incremental-dump.cc (find_input_containing_global): Adjust
  75         size of symbol info entry.
  76         (dump_incremental_inputs): Dump argument serial number and
  77         in_system_directory flag; bias shndx by 1; print symbol names
  78         when dumping per-file symbol lists; use new symbol info readers.
  79         * incremental.cc
  80         (Output_section_incremental_inputs:update_data_size): New function.
  81         (Sized_incremental_binary::setup_readers): Setup input readers
  82         for each input file; build maps for files added from libraries
  83         and scripts.
  84         (Sized_incremental_binary::check_input_args): New function.
  85         (Sized_incremental_binary::do_check_inputs): Build map of argument
  86         serial numbers to input arguments.
  87         (Sized_incremental_binary::do_file_has_changed): Rename
  88         do_file_is_unchanged to this; compare file modification times.
  89         (Sized_incremental_binary::do_init_layout): New function.
  90         (Sized_incremental_binary::do_reserve_layout): New function.
  91         (Sized_incremental_binary::do_get_input_reader): Remove.
  92         (Sized_incremental_binary::get_symtab_view): New function.
  93         (Incremental_checker::can_incrementally_link_output_file): Remove.
  94         (Incremental_inputs::report_command_line): Exclude --debug options.
  95         (Incremental_inputs::report_archive_begin): Add parameter; track
  96         argument serial numbers; don't put input file entry for archive
  97         before archive members.
  98         (Incremental_inputs::report_archive_end): Put input file entry
  99         for archive after archive members.
 100         (Incremental_inputs::report_object): Add parameter; track argument
 101         serial numbers and in_system_directory flag.
 102         (Incremental_inputs::report_script): Add parameter; track argument
 103         serial numbers.
 104         (Output_section_incremental_inputs::set_final_data_size): Adjust
 105         size of symbol info entry; check for forwarding symbols.
 106         (Output_section_incremental_inputs::write_input_files): Write
 107         in_system_directory flag and argument serial number.
 108         (Output_section_incremental_inputs::write_info_blocks): Map section
 109         indices between incremental info and original input file; store
 110         input section index for each symbol.
 111         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
 112         change operator() to visit().
 113         (class Global_got_offset_visitor): Likewise.
 114         (class Global_symbol_visitor_got_plt):
 115         (Output_section_incremental_inputs::write_got_plt): Use new visitor
 116         classes.
 117         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
 118         (Sized_incr_relobj::do_read_symbols): New function.
 119         (Sized_incr_relobj::do_layout): New function.
 120         (Sized_incr_relobj::do_layout_deferred_sections): New function.
 121         (Sized_incr_relobj::do_add_symbols): New function.
 122         (Sized_incr_relobj::do_should_include_member): New function.
 123         (Sized_incr_relobj::do_for_all_global_symbols): New function.
 124         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
 125         (Sized_incr_relobj::do_section_size): New function.
 126         (Sized_incr_relobj::do_section_name): New function.
 127         (Sized_incr_relobj::do_section_contents): New function.
 128         (Sized_incr_relobj::do_section_flags): New function.
 129         (Sized_incr_relobj::do_section_entsize): New function.
 130         (Sized_incr_relobj::do_section_address): New function.
 131         (Sized_incr_relobj::do_section_type): New function.
 132         (Sized_incr_relobj::do_section_link): New function.
 133         (Sized_incr_relobj::do_section_info): New function.
 134         (Sized_incr_relobj::do_section_addralign): New function.
 135         (Sized_incr_relobj::do_initialize_xindex): New function.
 136         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
 137         (Sized_incr_relobj::do_read_relocs): New function.
 138         (Sized_incr_relobj::do_gc_process_relocs): New function.
 139         (Sized_incr_relobj::do_scan_relocs): New function.
 140         (Sized_incr_relobj::do_count_local_symbols): New function.
 141         (Sized_incr_relobj::do_finalize_local_symbols): New function.
 142         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
 143         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
 144         (Sized_incr_relobj::do_relocate): New function.
 145         (Sized_incr_relobj::do_set_section_offset): New function.
 146         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
 147         (Sized_incr_dynobj::do_read_symbols): New function.
 148         (Sized_incr_dynobj::do_layout): New function.
 149         (Sized_incr_dynobj::do_add_symbols): New function.
 150         (Sized_incr_dynobj::do_should_include_member): New function.
 151         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
 152         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
 153         (Sized_incr_dynobj::do_section_size): New function.
 154         (Sized_incr_dynobj::do_section_name): New function.
 155         (Sized_incr_dynobj::do_section_contents): New function.
 156         (Sized_incr_dynobj::do_section_flags): New function.
 157         (Sized_incr_dynobj::do_section_entsize): New function.
 158         (Sized_incr_dynobj::do_section_address): New function.
 159         (Sized_incr_dynobj::do_section_type): New function.
 160         (Sized_incr_dynobj::do_section_link): New function.
 161         (Sized_incr_dynobj::do_section_info): New function.
 162         (Sized_incr_dynobj::do_section_addralign): New function.
 163         (Sized_incr_dynobj::do_initialize_xindex): New function.
 164         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
 165         (make_sized_incremental_object): New function.
 166         (Incremental_library::copy_unused_symbols): New function.
 167         (Incremental_library::do_for_all_unused_symbols): New function.
 168         * incremental.h (enum Incremental_input_flags): New type.
 169         (class Incremental_checker): Remove.
 170         (Incremental_input_entry::Incremental_input_entry): Add argument
 171         serial number.
 172         (Incremental_input_entry::arg_serial): New function.
 173         (Incremental_input_entry::set_is_in_system_directory): New function.
 174         (Incremental_input_entry::is_in_system_directory): New function.
 175         (Incremental_input_entry::arg_serial_): New data member.
 176         (Incremental_input_entry::is_in_system_directory_): New data member.
 177         (class Script_info): Move here from script.h.
 178         (Script_info::Script_info): Add filename parameter.
 179         (Script_info::filename): New function.
 180         (Script_info::filename_): New data member.
 181         (Incremental_script_entry::Incremental_script_entry): Add argument
 182         serial number.
 183         (Incremental_object_entry::Incremental_object_entry): Likewise.
 184         (Incremental_object_entry::add_input_section): Build list of input
 185         sections with map to original shndx.
 186         (Incremental_object_entry::get_input_section_index): New function.
 187         (Incremental_object_entry::shndx_): New data member.
 188         (Incremental_object_entry::name_key_): Rename; adjust all refs.
 189         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
 190         (Incremental_archive_entry::Incremental_archive_entry): Add argument
 191         serial number.
 192         (Incremental_inputs::report_archive_begin): Likewise.
 193         (Incremental_inputs::report_object): Likewise.
 194         (Incremental_inputs::report_script): Likewise.
 195         (class Incremental_global_symbol_reader): New class.
 196         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
 197         and store flags and input file type.
 198         (Incremental_input_entry_reader::arg_serial): New function.
 199         (Incremental_input_entry_reader::type): Extract type from flags.
 200         (Incremental_input_entry_reader::is_in_system_directory): New function.
 201         (Incremental_input_entry_reader::get_input_section_count): Call
 202         accessor function for type.
 203         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
 204         function for type; adjust size of global symbol entry.
 205         (Incremental_input_entry_reader::get_global_symbol_count): Call
 206         accessor function for type.
 207         (Incremental_input_entry_reader::get_object_count): Likewise.
 208         (Incremental_input_entry_reader::get_object_offset): Likewise.
 209         (Incremental_input_entry_reader::get_member_count): Likewise.
 210         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
 211         (Incremental_input_entry_reader::get_member_offset): Likewise.
 212         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
 213         (Incremental_input_entry_reader::Global_symbol_info): Remove.
 214         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
 215         (Incremental_input_entry_reader::get_global_symbol_reader): New
 216         function.
 217         (Incremental_input_entry_reader::get_output_symbol_index): New
 218         function.
 219         (Incremental_input_entry_reader::type_): Remove.
 220         (Incremental_input_entry_reader::flags_): New data member.
 221         (Incremental_inputs_reader::input_file_offset): New function.
 222         (Incremental_inputs_reader::input_file_index): New function.
 223         (Incremental_inputs_reader::input_file): Call input_file_offset.
 224         (Incremental_inputs_reader::input_file_at_offset): New function.
 225         (Incremental_relocs_reader::get_r_type): Reformat.
 226         (Incremental_relocs_reader::get_r_shndx): Reformat.
 227         (Incremental_relocs_reader::get_r_offset): Reformat.
 228         (Incremental_relocs_reader::data): New function.
 229         (Incremental_binary::Incremental_binary): Initialize new data members.
 230         (Incremental_binary::check_inputs): Add cmdline parameter.
 231         (Incremental_binary::file_is_unchanged): Remove.
 232         (Input_reader::arg_serial): New function.
 233         (Input_reader::get_unused_symbol_count): New function.
 234         (Input_reader::get_unused_symbol): New function.
 235         (Input_reader::do_arg_serial): New function.
 236         (Input_reader::do_get_unused_symbol_count): New function.
 237         (Input_reader::do_get_unused_symbol): New function.
 238         (Incremental_binary::input_file_count): New function.
 239         (Incremental_binary::get_input_reader): Change signature to use
 240         index instead of filename.
 241         (Incremental_binary::file_has_changed): New function.
 242         (Incremental_binary::get_input_argument): New function.
 243         (Incremental_binary::get_library): New function.
 244         (Incremental_binary::get_script_info): New function.
 245         (Incremental_binary::init_layout): New function.
 246         (Incremental_binary::reserve_layout): New function.
 247         (Incremental_binary::output_file): New function.
 248         (Incremental_binary::do_check_inputs): New function.
 249         (Incremental_binary::do_file_is_unchanged): Remove.
 250         (Incremental_binary::do_file_has_changed): New function.
 251         (Incremental_binary::do_init_layout): New function.
 252         (Incremental_binary::do_reserve_layout): New function.
 253         (Incremental_binary::do_input_file_count): New function.
 254         (Incremental_binary::do_get_input_reader): Change signature.
 255         (Incremental_binary::input_args_map_): New data member.
 256         (Incremental_binary::library_map_): New data member.
 257         (Incremental_binary::script_map_): New data member.
 258         (Sized_incremental_binary::Sized_incremental_binary): Initialize
 259         new data members.
 260         (Sized_incremental_binary::output_section): New function.
 261         (Sized_incremental_binary::inputs_reader): Add const.
 262         (Sized_incremental_binary::symtab_reader): Add const.
 263         (Sized_incremental_binary::relocs_reader): Add const.
 264         (Sized_incremental_binary::got_plt_reader): Add const.
 265         (Sized_incremental_binary::get_symtab_view): New function.
 266         (Sized_incremental_binary::Inputs_reader): New typedef.
 267         (Sized_incremental_binary::Input_entry_reader): New typedef.
 268         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
 269         (Sized_incremental_binary::do_file_is_unchanged): Remove.
 270         (Sized_incremental_binary::do_file_has_changed): New function.
 271         (Sized_incremental_binary::do_init_layout): New function.
 272         (Sized_incremental_binary::do_reserve_layout): New function.
 273         (Sized_input_reader::Inputs_reader): Remove.
 274         (Sized_input_reader::Input_entry_reader): Remove.
 275         (Sized_input_reader::do_arg_serial): New function.
 276         (Sized_input_reader::do_get_unused_symbol_count): New function.
 277         (Sized_input_reader::do_get_unused_symbol): New function.
 278         (Sized_incremental_binary::do_input_file_count): New function.
 279         (Sized_incremental_binary::do_get_input_reader): Change signature;
 280         use index instead of filename.
 281         (Sized_incremental_binary::section_map_): New data member.
 282         (Sized_incremental_binary::input_entry_readers_): New data member.
 283         (class Sized_incr_relobj): New class.
 284         (class Sized_incr_dynobj): New class.
 285         (make_sized_incremental_object): New function.
 286         (class Incremental_library): New class.
 287         * layout.cc (Free_list::num_lists): New static data member.
 288         (Free_list::num_nodes): New static data member.
 289         (Free_list::num_removes): New static data member.
 290         (Free_list::num_remove_visits): New static data member.
 291         (Free_list::num_allocates): New static data member.
 292         (Free_list::num_allocate_visits): New static data member.
 293         (Free_list::init): New function.
 294         (Free_list::remove): New function.
 295         (Free_list::allocate): New function.
 296         (Free_list::dump): New function.
 297         (Free_list::print_stats): New function.
 298         (Layout_task_runner::run): Resize output file for incremental updates.
 299         (Layout::Layout): Initialize new data members.
 300         (Layout::set_incremental_base): New function.
 301         (Layout::init_fixed_output_section): New function.
 302         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
 303         incremental updates.
 304         (Layout::create_gold_note): Do not create gold note section for
 305         incremental updates.
 306         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
 307         for incremental updates.
 308         (Layout::set_section_offsets): For incremental updates, allocate space
 309         from free list.
 310         (Layout::create_symtab_sections): Layout with offsets relative to
 311         start of section; for incremental updates, allocate space from free
 312         list.
 313         (Layout::create_shdrs): For incremental updates, allocate space from
 314         free list.
 315         (Layout::finish_dynamic_section): For incremental updates, do not
 316         check --as-needed (fixed in subsequent patch).
 317         * layout.h (class Free_list): New class.
 318         (Layout::set_incremental_base): New function.
 319         (Layout::incremental_base): New function.
 320         (Layout::init_fixed_output_section): New function.
 321         (Layout::allocate): New function.
 322         (Layout::incremental_base_): New data member.
 323         (Layout::free_list_): New data member.
 324         * main.cc (main): Print Free_list statistics.
 325         * object.cc (Relobj::finalize_incremental_relocs): Add
 326         clear_counts parameter; clear counts only when clear_counts is set.
 327         (Sized_relobj::Sized_relobj): Initialize new base class.
 328         (Sized_relobj::do_layout): Don't report special sections.
 329         (Sized_relobj::do_for_all_local_got_entries): New function.
 330         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
 331         symtab_off to all symbol table offsets.
 332         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
 333         * object.h (class Got_offset_list): Move to top of file.
 334         (Object::Object): Allow case where input_file == NULL.
 335         (Object::~Object): Likewise.
 336         (Object::input_file): Assert that input_file != NULL.
 337         (Object::lock): Allow case where input_file == NULL.
 338         (Object::unlock): Likewise.
 339         (Object::is_locked): Likewise.
 340         (Object::token): Likewise.
 341         (Object::release): Likewise.
 342         (Object::is_incremental): New function.
 343         (Object::get_mtime): New function.
 344         (Object::for_all_local_got_entries): New function.
 345         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
 346         (Object::set_is_in_system_directory): New function.
 347         (Object::is_in_system_directory): New function.
 348         (Object::do_is_incremental): New function.
 349         (Object::do_get_mtime): New function.
 350         (Object::do_for_all_local_got_entries): New function.
 351         (Object::is_in_system_directory_): New data member.
 352         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
 353         (class Sized_relobj_base): New class.
 354         (class Sized_relobj): Derive from Sized_relobj_base.
 355         (class Sized_relobj::Symbols): Redeclare from base class.
 356         (class Sized_relobj::local_got_offset_list): Remove.
 357         (class Sized_relobj::Output_sections): Redeclare from base class.
 358         (class Sized_relobj::do_for_all_local_got_entries): New function.
 359         (class Sized_relobj::write_local_symbols): Add offset parameter.
 360         (class Sized_relobj::local_symbol_offset_): Update comment.
 361         (class Sized_relobj::local_dynsym_offset_): Update comment.
 362         * options.cc (Input_arguments::add_file): Remove const.
 363         * options.h (Input_file_argument::Input_file_argument):
 364         Initialize arg_serial_ (all constructors).
 365         (Input_file_argument::set_arg_serial): New function.
 366         (Input_file_argument::arg_serial): New function.
 367         (Input_file_argument::arg_serial_): New data member.
 368         (Input_arguments::Input_arguments): Initialize file_count_.
 369         (Input_arguments::add_file): Remove const.
 370         (Input_arguments::number_of_input_files): New function.
 371         (Input_arguments::file_count_): New data member.
 372         (Command_line::number_of_input_files): Call
 373         Input_arguments::number_of_input_files.
 374         * output.cc (Output_segment_headers::Output_segment_headers):
 375         Set current size.
 376         (Output_section::Input_section::current_data_size): New function.
 377         (Output_section::Output_section): Initialize new data members.
 378         (Output_section::add_input_section): Don't do merge sections for
 379         an incremental link; allocate space from free list for an
 380         incremental update.
 381         (Output_section::add_output_section_data): Allocate space from
 382         free list for an incremental update.
 383         (Output_section::update_data_size): New function.
 384         (Output_section::set_fixed_layout): New function.
 385         (Output_section::reserve): New function.
 386         (Output_segment::set_section_addresses): Remove const.
 387         (Output_segment::set_section_list_addresses): Remove const; allocate
 388         space from free list for an incremental update.
 389         (Output_segment::set_offset): Adjust size of RELRO segment for an
 390         incremental update.
 391         * output.h (Output_data::current_data_size): Move here from
 392         child classes.
 393         (Output_data::pre_finalize_data_size): New function.
 394         (Output_data::update_data_size): New function.
 395         (Output_section_headers::update_data_size): new function.
 396         (Output_section_data_build::current_data_size): Move to Output_data.
 397         (Output_data_strtab::update_data_size): New function.
 398         (Output_section::current_data_size): Move to Output_data.
 399         (Output_section::set_fixed_layout): New function.
 400         (Output_section::has_fixed_layout): New function.
 401         (Output_section::reserve): New function.
 402         (Output_section::update_data_size): New function.
 403         (Output_section::has_fixed_layout_): New data member.
 404         (Output_section::free_list_): New data member.
 405         (Output_segment::set_section_addresses): Remove const.
 406         (Output_segment::set_section_list_addresses): Remove const.
 407         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
 408         New function.
 409         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
 410         New function.
 411         * readsyms.cc (Read_symbols::do_read_symbols): Add library
 412         parameter when calling Add_symbols constructor; store argument
 413         serial number for members of a lib group.
 414         (Add_symbols::locks): Allow case where token == NULL.
 415         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
 416         (Read_member::~Read_member): New function.
 417         (Read_member::is_runnable): New function.
 418         (Read_member::locks): New function.
 419         (Read_member::run): New function.
 420         (Check_script::~Check_script): New function.
 421         (Check_script::is_runnable): New function.
 422         (Check_script::locks): New function.
 423         (Check_script::run): New function.
 424         (Check_library::~Check_library): New function.
 425         (Check_library::is_runnable): New function.
 426         (Check_library::locks): New function.
 427         (Check_library::run): New function.
 428         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
 429         (Add_symbols::library_): New data member.
 430         (class Read_member): New class.
 431         (class Check_script): New class.
 432         (class Check_library): New class.
 433         * reloc.cc (Read_relocs::is_runnable): Allow case where
 434         token == NULL.
 435         (Read_relocs::locks): Likewise.
 436         (Scan_relocs::locks): Likewise.
 437         (Relocate_task::locks): Likewise.
 438         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
 439         to clear counters.
 440         (Sized_relobj::incremental_relocs_scan): Fix comment.
 441         (Sized_relobj::do_relocate): Pass output file offset to
 442         write_local_symbols.
 443         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
 444         from class declaration.
 445         * script.cc (read_input_script): Allocate Script_info; pass
 446         argument serial number to report_script.
 447         * script.h (class Script_info): Move to incremental.h.
 448         * symtab.cc (Symbol_table::add_from_incrobj): New function.
 449         * symtab.h (Symbol_table::add_from_incrobj): New function.
 450         (Symbol_table::set_file_offset): New function.
 451
 452 2011-04-05  Cary Coutant  <ccoutant@google.com>
 453
 454         * incremental-dump.cc (dump_incremental_inputs): Change signature
 455         to take a Sized_incremental_binary; change caller.  Use readers
 456         in Sized_incremental_binary.
 457         * incremental.cc
 458         (Sized_incremental_binary::find_incremental_inputs_sections):
 459         Rename do_find_incremental_inputs_sections to this.
 460         (Sized_incremental_binary::setup_readers): New function.
 461         (Sized_incremental_binary::do_check_inputs): Check
 462         has_incremental_info_ flag; move setup code to setup_readers;
 463         use input readers.
 464         (Sized_incremental_binary::do_file_is_unchanged): New function.
 465         (Sized_incremental_binary::do_get_input_reader): New function.
 466         * incremental.h (class Incremental_binary): Move to end of file.
 467         (Incremental_binary::file_is_unchanged): New function.
 468         (Incremental_binary::do_file_is_unchanged): New function.
 469         (Incremental_binary::Input_reader): New class.
 470         (Incremental_binary::get_input_reader): New function.
 471         (class Sized_incremental_binary): Move to end of file.
 472         (Sized_incremental_binary::Sized_incremental_binary): Setup the
 473         input section reader classes.
 474         (Sized_incremental_binary::has_incremental_info): New function.
 475         (Sized_incremental_binary::inputs_reader): New function.
 476         (Sized_incremental_binary::symtab_reader): New function.
 477         (Sized_incremental_binary::relocs_reader): New function.
 478         (Sized_incremental_binary::got_plt_reader): New function.
 479         (Sized_incremental_binary::do_file_is_unchanged): New function.
 480         (Sized_incremental_binary::Sized_input_reader): New class.
 481         (Sized_incremental_binary::get_input_reader): New function.
 482         (Sized_incremental_binary::find_incremental_inputs_sections):
 483         Rename do_find_incremental_inputs_sections to this.
 484         (Sized_incremental_binary::setup_readers): New function.
 485         (Sized_incremental_binary::has_incremental_info_): New data member.
 486         (Sized_incremental_binary::inputs_reader_): New data member.
 487         (Sized_incremental_binary::symtab_reader_): New data member.
 488         (Sized_incremental_binary::relocs_reader_): New data member.
 489         (Sized_incremental_binary::got_plt_reader_): New data member.
 490         (Sized_incremental_binary::current_input_file_): New data member.
 491
 492 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
 493
 494         PR gold/12640
 495         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
 496         violation.
 497
 498 2011-03-30  Cary Coutant  <ccoutant@google.com>
 499
 500         * archive.cc (Archive::include_member): Adjust call to report_object.
 501         (Add_archive_symbols::run): Add script_info to call to
 502         report_archive_begin.
 503         (Lib_group::include_member): Adjust call to report_object.
 504         (Add_lib_group_symbols::run): Adjust call to report_object.
 505         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
 506         blocks.  Add object count for script input files.
 507         * incremental.cc (Incremental_inputs::report_archive_begin): Add
 508         script_info parameter; change all callers.
 509         (Incremental_inputs::report_object): Add script_info parameter;
 510         change all callers.
 511         (Incremental_inputs::report_script): Store backpointer to
 512         incremental info entry.
 513         (Output_section_incremental_inputs::set_final_data_size): Record
 514         additional information for scripts.
 515         (Output_section_incremental_inputs::write_info_blocks): Likewise.
 516         * incremental.h (Incremental_script_entry::add_object): New function.
 517         (Incremental_script_entry::get_object_count): New function.
 518         (Incremental_script_entry::get_object): New function.
 519         (Incremental_script_entry::objects_): New data member; adjust
 520         constructor.
 521         (Incremental_inputs::report_archive_begin): Add script_info parameter.
 522         (Incremental_inputs::report_object): Add script_info parameter.
 523         (Incremental_inputs_reader::get_object_count): New function.
 524         (Incremental_inputs_reader::get_object_offset): New function.
 525         * options.cc (Input_arguments::add_file): Return reference to
 526         new input argument.
 527         * options.h (Input_argument::set_script_info): New function.
 528         (Input_argument::script_info): New function.
 529         (Input_argument::script_info_): New data member; adjust all
 530         constructors.
 531         (Input_file_group::add_file): Return reference to new input argument.
 532         (Input_file_lib::add_file): Likewise.
 533         (Input_arguments::add_file): Likewise.
 534         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
 535         * script.cc (Parser_closure::Parser_closure): Add script_info
 536         parameter; adjust all callers.
 537         (Parser_closure::script_info): New function.
 538         (Parser_closure::script_info_): New data member.
 539         (read_input_script): Report scripts earlier to incremental info.
 540         (script_add_file): Set script_info in Input_argument.
 541         (script_add_library): Likewise.
 542         * script.h (Script_options::Script_info): Rewrite class.
 543
 544 2011-03-29  Cary Coutant  <ccoutant@google.com>
 545
 546         * archive.cc (Library_base::should_include_member): Move
 547         method here from class Archive.
 548         (Archive::Archive): Initialize base class.
 549         (Archive::should_include_member): Move to base class.
 550         (Archive::do_for_all_unused_symbols): New function.
 551         (Add_archive_symbols::run): Remove redundant access to
 552         incremental_inputs.
 553         (Lib_group::Lib_group): Initialize base class.
 554         (Lib_group::do_filename): New function.
 555         (Lib_group::include_member): Pass pointer to Lib_group to
 556         report_object.
 557         (Lib_group::do_for_all_unused_symbols): New function.
 558         (Add_lib_group_symbols::run): Report archive information for
 559         incremental links.
 560         * archive.h (class Library_base): New base class.
 561         (class Archive): Derive from Library_base.
 562         (Archive::filename): Move to base class.
 563         (Archive::set_incremental_info): Likewise.
 564         (Archive::incremental_info): Likewise.
 565         (Archive::Should_include): Likewise.
 566         (Archive::should_include_member): Likewise.
 567         (Archive::Armap_entry): Remove.
 568         (Archive::Unused_symbol_iterator): Remove.
 569         (Archive::unused_symbols_begin): Remove.
 570         (Archive::unused_symbols_end): Remove.
 571         (Archive::do_filename): New function.
 572         (Archive::do_get_mtime): New function.
 573         (Archive::do_for_all_unused_symbols): New function.
 574         (Archive::task_): Move to base class.
 575         (Archive::incremental_info_): Likewise.
 576         (class Lib_group): Derive from Library_base.
 577         (Lib_group::do_filename): New function.
 578         (Lib_group::do_get_mtime): New function.
 579         (Lib_group::do_for_all_unused_symbols): New function.
 580         (Lib_group::task_): Move to base class.
 581         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
 582         function.
 583         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
 584         function.
 585         * incremental.cc (Incremental_inputs::report_archive_begin):
 586         Use Library_base; call library's get_mtime; add incremental inputs
 587         entry before members.
 588         (class Unused_symbol_visitor): New class.
 589         (Incremental_inputs::report_archive_end): Use Library_base; use
 590         visitor class to record unused symbols; don't add incremental inputs
 591         entry after members.
 592         (Incremental_inputs::report_object): Use Library_base.
 593         * incremental.h
 594         (Incremental_archive_entry::Incremental_archive_entry): Remove
 595         unused Archive parameter.
 596         (Incremental_inputs::report_archive_begin): Use Library_base.
 597         (Incremental_inputs::report_archive_end): Likewise.
 598         (Incremental_inputs::report_object): Likewise.
 599         * object.cc (Sized_relobj::do_for_all_global_symbols): New
 600         function.
 601         * object.h (Object::for_all_global_symbols): New function.
 602         (Object::do_for_all_global_symbols): New function.
 603         (Sized_relobj::do_for_all_global_symbols): New function.
 604         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
 605         function.
 606         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
 607         function.
 608
 609 2011-03-27  Ian Lance Taylor  <iant@google.com>
 610
 611         * archive.cc (Archive::interpret_header): Return -1 if something
 612         goes wrong.  Change callers accordingly.
 613
 614 2011-03-25  Cary Coutant  <ccoutant@google.com>
 615
 616         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
 617         * testsuite/Makefile.in: Regenerate.
 618
 619 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
 620
 621         * plugin.cc (get_view): New.
 622         (Plugin::load): Pass get_view to the plugin.
 623         (Plugin_manager::get_view): New.
 624
 625 2011-03-21  Ian Lance Taylor  <iant@google.com>
 626
 627         * testsuite/final_layout.sh: Rewrite to not use dc.
 628         * testsuite/relro_test.sh: Fail if dc is not present.
 629
 630 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
 631
 632         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
 633         Change == to -eq.
 634         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
 635         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
 636         Change == to -eq.
 637         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
 638         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
 639
 640 2011-03-14  Ian Lance Taylor  <iant@google.com>
 641
 642         * script-sections.cc (Sort_output_sections::script_compare):
 643         Rename from is_before, change return type.
 644         (Sort_output_sections::operator()): Adjust accordingly.
 645
 646 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
 647
 648         PR gold/12572
 649         * testsuite/odr_violation2.cc: Add comment to make all error line
 650         numbers double digits.
 651         * testsuite/debug_msg.sh: Adjust expected errors.
 652
 653 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
 654
 655         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
 656         but mark earlier ones as non-canonical
 657         (offset_to_iterator): Update search target and example
 658         (do_addr2line): Return extra lines in a vector*
 659         (format_file_lineno): Extract from do_addr2line
 660         (one_addr2line): Add vector* out-param
 661         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
 662         when a lineno entry appeared last for its instruction
 663         (Dwarf_line_info): Add vector* out-param
 664         * object.cc (Relocate_info): Pass NULL for the vector* out-param
 665         * symtab.cc (Odr_violation_compare): Include the lineno in the
 666         comparison again.
 667         (linenos_from_loc): New. Combine the canonical line for an
 668         address with its other lines.
 669         (True_if_intersect): New. Helper functor to make
 670         std::set_intersection a query.
 671         (detect_odr_violations): Compare sets of lines instead of just
 672         one line for each function. This became less deterministic, but
 673         has fewer false positives.
 674         * symtab.h: Declarations.
 675         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
 676         mix an optimized and non-optimized object in the same binary
 677         (odr_violation2.so): Same.
 678         * testsuite/Makefile.in: Regenerate from Makefile.am.
 679         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
 680         * testsuite/debug_msg.sh: Update line numbers and add
 681         assertions.
 682         * testsuite/odr_violation1.cc: Use OdrDerived, in a
 683         non-optimized context.
 684         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
 685         isn't inlined, and use OdrDerived in an optimized context.
 686         * testsuite/odr_header1.h: Defines OdrDerived, where
 687         optimization will change the
 688         first-instruction-in-the-destructor's file and line number.
 689         * testsuite/odr_header2.h: Defines OdrBase.
 690
 691 2011-03-09  Ian Lance Taylor  <iant@google.com>
 692
 693         * fileread.cc (File_read::clear_views): Don't delete the whole
 694         file view.
 695
 696 2011-03-08  Ian Lance Taylor  <iant@google.com>
 697
 698         PR gold/12525
 699         * fileread.cc: #include <climits>.
 700         (GOLD_IOV_MAX): Define.
 701         (File_read::read_multiple): Limit number of entries by iov_max.
 702         * fileread.h (class File_read): Always set max_readv_entries to
 703         128.
 704
 705 2011-03-07  Ian Lance Taylor  <iant@google.com>
 706
 707         PR gold/12525
 708         * options.h (class General_options): Add -dy and -dn.
 709
 710 2011-03-02  Cary Coutant  <ccoutant@google.com>
 711
 712         * testsuite/script_test_9.t: Add TLS segment.
 713
 714 2011-03-02  Simon Baldwin  <simonb@google.com>
 715
 716         * configure.ac: Add check for gnu_indirect_function support in
 717         the toolchain building binutils.
 718         * configure: Rebuild.
 719
 720 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
 721
 722         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
 723         plugin only symbols.
 724         (Symbol_table::sized_finalize_symbol) Mark symbol only present
 725         in plugin files as not needed in the symbol table.
 726
 727 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
 728
 729         * output.cc (Output_section::add_input_section): Delay fill
 730         generation for section ordering.
 731
 732 2011-02-09  Ian Lance Taylor  <iant@google.com>
 733
 734         PR gold/12316
 735         * object.h (class Sized_relobj): Remove clear_local_symbols.
 736         * reloc.cc (Sized_relobj::do_relocate): Don't call
 737         clear_local_symbols.
 738
 739 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
 740
 741         * plugin.cc (is_visible_from_outside): Return true for symbols
 742         in the -u option.
 743
 744 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
 745
 746         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
 747         filename.
 748
 749 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
 750
 751         * icf.h (is_section_foldable_candidate): Change type of parameter
 752         to std::string.
 753         * icf.cc (Icf::find_identical_sections): Change type of local variable
 754         section_name to be std::string.
 755         (is_function_ctor_or_dtor): Change type of parameter to std::string.
 756
 757 2011-01-25  Ian Lance Taylor  <iant@google.com>
 758
 759         * script.cc (script_add_extern): Rewrite to use
 760         add_symbol_reference.
 761
 762 2011-01-25  Doug Kwan  <dougkwan@google.com>
 763
 764         * icf.cc (get_section_contents): Always lock section's object.
 765
 766 2011-01-24  Ian Lance Taylor  <iant@google.com>
 767
 768         * options.h (class General_options): Accept
 769         --no-detect-odr-violations.
 770
 771 2011-01-24  Ian Lance Taylor  <iant@google.com>
 772
 773         * version.cc (version_string): Bump to 1.11.
 774
 775 2011-01-24  Ian Lance Taylor  <iant@google.com>
 776
 777         * plugin.cc (class Plugin_rescan): Define new class.
 778         (Plugin_manager::claim_file): Set any_claimed_.
 779         (Plugin_manager::save_archive): New function.
 780         (Plugin_manager::save_input_group): New function.
 781         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
 782         necessary.
 783         (Plugin_manager::new_undefined_symbol): New function.
 784         (Plugin_manager::rescan): New function.
 785         (Plugin_manager::rescannable_defines): New function.
 786         (Plugin_manager::add_input_file): Set any_added_.
 787         * plugin.h (class Plugin_manager): define new fields rescannable_,
 788         undefined_symbols_, any_claimed_, and any_added_.  Declare
 789         Plugin_rescan as friend.  Declare new functions.
 790         (Plugin_manager::Rescannable): Define type.
 791         (Plugin_manager::Rescannable_list): Define type.
 792         (Plugin_manager::Undefined_symbol_list): Define type.
 793         (Plugin_manager::Plugin_manager): Initialize new fields.
 794         * archive.cc (Archive::defines_symbol): New function.
 795         (Add_archive_symbols::run): Pass archive to plugins if any.
 796         * archive.h (class Archive): Declare defines_symbol.
 797         * readsyms.cc (Input_group::~Input_group): New function.
 798         (Finish_group::run): Pass input_group to plugins if any.
 799         * readsyms.h (class Input_group): Declare destructor.
 800         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
 801         any.
 802
 803 2011-01-10  Ian Lance Taylor  <iant@google.com>
 804
 805         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
 806         section as relro.
 807         (Layout::set_segment_offsets): Reset increase_relro before calling
 808         set_section_addresses a second time.
 809
 810 2011-01-04  Cary Coutant  <ccoutant@google.com>
 811
 812         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
 813         sections before NOBITS sections.
 814
 815 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
 816
 817         * version.cc (print_version): Update copyright to 2011.
 818
 819 2010-12-23  Cary Coutant  <ccoutant@google.com>
 820
 821         * output.h (Output_data_reloc::add_output_section): Pass OD instead
 822         of OS to this->add.  Add OD parameter to second form of the function.
 823
 824 2010-12-20  Ian Lance Taylor  <iant@google.com>
 825
 826         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
 827         second of two consecutive entries with same offset.
 828
 829 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 830
 831         * testsuite/Makefile.am (ifuncmain2static_LDADD)
 832         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
 833         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
 834         to avoid unneeded links against $(LDADD).
 835         * testsuite/Makefile.in: Regenerate.
 836
 837 2010-12-15  Ian Lance Taylor  <iant@google.com>
 838
 839         PR gold/12324
 840         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
 841         for R_X86_64_32 and R_X86_64_PC32.
 842         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
 843         ver_matching_def_pic.o.
 844         (ver_matching_def_pic.o): New target.
 845
 846 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 847
 848         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
 849         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
 850         Move definition before File_read::View member definitions.
 851         (File_read::View::~View): Initialize and hold lock before
 852         updating current_mapped_bytes.
 853
 854 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 855
 856         * dwarf_reader.cc: Remove outdated comment.
 857         * gold-threads.cc: Fix typo in error message.
 858         * archive.cc: Fix typos in comments.
 859         * archive.h: Likewise.
 860         * arm-reloc-property.cc: Likewise.
 861         * arm-reloc-property.h: Likewise.
 862         * arm-reloc.def: Likewise.
 863         * arm.cc: Likewise.
 864         * attributes.h: Likewise.
 865         * cref.cc: Likewise.
 866         * ehframe.cc: Likewise.
 867         * fileread.h: Likewise.
 868         * gold.h: Likewise.
 869         * i386.cc: Likewise.
 870         * icf.cc: Likewise.
 871         * incremental.h: Likewise.
 872         * int_encoding.cc: Likewise.
 873         * layout.h: Likewise.
 874         * main.cc: Likewise.
 875         * merge.h: Likewise.
 876         * object.cc: Likewise.
 877         * object.h: Likewise.
 878         * options.cc: Likewise.
 879         * readsyms.cc: Likewise.
 880         * reduced_debug_output.cc: Likewise.
 881         * reloc.cc: Likewise.
 882         * script-sections.cc: Likewise.
 883         * sparc.cc: Likewise.
 884         * symtab.h: Likewise.
 885         * target-reloc.h: Likewise.
 886         * target.cc: Likewise.
 887         * target.h: Likewise.
 888         * timer.cc: Likewise.
 889         * timer.h: Likewise.
 890         * x86_64.cc: Likewise.
 891
 892 2010-12-09  Cary Coutant  <ccoutant@google.com>
 893
 894         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
 895         stack.
 896         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
 897         parameter; change all callers.
 898         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
 899         * options.h (warn_execstack): New option.
 900
 901 2010-12-07  Doug Kwan  <dougkwan@google.com>
 902
 903         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
 904         like function call relocations.
 905
 906 2010-12-07  Ian Lance Taylor  <iant@google.com>
 907
 908         * archive.cc (Archive::get_elf_object_for_member): Permit
 909         punconfigured to be NULL.
 910         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
 911         (Archive::include_member): Pass NULL to get_elf_object_for_member
 912         if we searched for the archive and this is the first included
 913         object.
 914
 915 2010-12-01  Ian Lance Taylor  <iant@google.com>
 916
 917         * dwarf_reader.h (class Sized_dwarf_line_info): Add
 918         track_relocs_type_ field.
 919         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 920         Set track_relocs_type_.
 921         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
 922         contents when using RELA relocs.
 923         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
 924         reloc_map_.
 925         * reloc.cc (Track_relocs::next_addend): New function.
 926         * reloc.h (class Track_relocs): Declare next_addend.
 927
 928 2010-12-01  Ian Lance Taylor  <iant@google.com>
 929
 930         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
 931         virtual destructor.
 932
 933 2010-12-01  Ian Lance Taylor  <iant@google.com>
 934
 935         * README: Update compilers known to work and fail.
 936
 937 2010-11-23  Matthias Klose  <doko@ubuntu.com>
 938
 939         * configure.in: For --enable-gold, handle value `default' instead of
 940         `both*'.  Always install ld as ld.bfd, install as ld if gold is
 941         not the default.
 942         * configure: Regenerate.
 943
 944 2010-11-18  Doug Kwan  <dougkwan@google.com>
 945
 946         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
 947         and right_alignment to be zero.  Store result alignment only if it is
 948         greater than existing alignment.
 949
 950 2010-11-16  Cary Coutant  <ccoutant@google.com>
 951
 952         PR gold/12220
 953         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 954         Check for ".zdebug_line".
 955
 956 2010-11-16  Doug Kwan  <dougkwan@google.com>
 957             Cary Coutant  <ccoutant@google.com>
 958
 959         * output.h (Output_segment::set_section_addresses): Pass increase_relro
 960         by reference; adjust all callers.
 961         * output.cc (Output_segment::set_section_addresses): Adjust references
 962         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
 963         list is empty.
 964         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
 965         end at page boundary.
 966
 967 2010-11-16  Cary Coutant  <ccoutant@google.com>
 968
 969         PR gold/12220
 970         * layout.cc (Layout::choose_output_section): Transform names of
 971         compressed sections even when using a script with a SECTIONS clause.
 972         (Layout::output_section_name): Remove code to transform
 973         compressed debug section names.
 974         * output.cc (Output_section::add_input_section): Use uncompressed
 975         section size when tracking input sections.
 976
 977 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
 978
 979         * symtab.h (Symbol::NON_PIC_REF): Remove.
 980         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
 981         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
 982         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
 983         (Symbol::use_plt_offset): Take a flags argument and pass it
 984         directly to needs_dynamic_reloc.  Restrict check for undefined
 985         weak symbols to function calls.
 986         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
 987         (Target_arm::Scan::global): Use it.
 988         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
 989         (Target_arm::Relocate::relocate): Likewise.
 990         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
 991         parameter with an r_type parameter.  Use get_reference_flags
 992         to get the flags.
 993         (Target_arm::Relocate::relocate): Update accordingly.
 994         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
 995         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
 996         (Target_i386::Scan::global): Likewise.
 997         (Target_i386::Relocate::relocate): Likewise.
 998         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
 999         parameter with an r_type parameter.  Use get_reference_flags
1000         to get the flags.
1001         (Target_i386::Relocate::relocate): Update accordingly.
1002         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
1003         (Target_powerpc::Scan::global): Use it.
1004         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
1005         (Target_powerpc::Relocate::relocate): Likewise.
1006         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
1007         (Target_sparc::Scan::global): Use it.
1008         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
1009         (Target_sparc::Relocate::relocate): Likewise.
1010         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
1011         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
1012         (Target_x86_64::Scan::global): Likewise.
1013         (Target_x86_64::Relocate::relocate): Likewise.
1014
1015 2010-11-08  Doug Kwan  <dougkwan@google.com>
1016             Cary Coutant  <ccoutant@google.com>
1017
1018         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
1019         (Arm_exidx_merge_section::section_contents_): New data member.
1020         (Arm_input_section::Arm_input_section): Initialize original_contents_.
1021         (Arm_input_section::~Arm_input_section): De-allocate memory.
1022         (Arm_input_section::original_contents_): New data member.
1023         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
1024         in parameters instead of calling Object::section_contents without
1025         locking.
1026         (Arm_output_section::group_section): New parameter TASK.  Pass it
1027         to callees that need locking objects.
1028         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
1029         to lock EXIDX input sections.  Fix a formatting issue.  Call
1030         Arm_exidx_merged_section::build_contents to create merged section
1031         contents.
1032         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
1033         to lock object of stub table owner.
1034         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
1035         TEXT_SIZE to initialize data member TEXT_SIZE_.
1036         (Arm_exidx_input_section::addralign): Fix typo in comment.
1037         (Arm_exidx_input_section::text_size): New method.
1038         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
1039         that require locking objects.  Lock objects before scanning for stubs
1040         and updating local symbols.
1041         (Arm_input_section<big_endian>::init): Copy contents of original
1042         input section.
1043         (Arm_input_section<big_endian>::do_write): Use saved contents of
1044         original input section instead of calling Object::section_contents
1045         without locking.
1046         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
1047         size without calling Object::section_size().
1048         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
1049         for size.  Allocate a buffer for merged EXIDX entries.
1050         (Arm_exidx_merged_section::build_contents): New method.
1051         (Arm_exidx_merged_section::do_write): Move merge section contents
1052         building code to Arm_exidx_merged_section::build_contetns.  Write
1053         out contetns in buffer instead of building it on the fly.
1054         (Arm_relobj::make_exidx_input_section): Also pass text section size
1055         to Arm_exidx_input_section constructor.
1056         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1057         (Arm_dynobj::do_read_symbols): Fix memory leak.
1058         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1059         * target.h: (class Task): Add forward declaration.
1060         (Target::relax): Add new parameter TASK and pass it to
1061         Target::do_relax().
1062         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1063
1064 2010-11-05  Cary Coutant  <ccoutant@google.com>
1065
1066         PR gold/10708
1067         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1068         object when reading from the file.
1069         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1070         second layout pass.
1071         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1072         when reading section contents.
1073         (get_section_contents): Likewise.
1074         (icf::find_identical_sections): Likewise.
1075         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1076         object when reading from the file.
1077         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1078         the object when doing deferred section layout.
1079
1080 2010-11-03  Nick Clifton  <nickc@redhat.com>
1081
1082         PR gold/12001
1083         * script.h (class Symbol_assignment: name): New member.  Returns
1084         the name of the symbol.
1085         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1086         Returns true if the given symbol name is on the list of
1087         assignments wating to be processed.
1088         * archive.cc (should_incldue_member): If the symbol is undefined,
1089         check to see if it is on the list of symbols pending assignment.
1090
1091 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1092
1093         * script-sections.cc (Script_sections::find_memory_region): Check
1094         for a NULL output section pointer.
1095
1096 2010-10-29  Doug Kwan  <dougkwan@google.com>
1097
1098         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1099         Output_section::add_relaxed_input_section.
1100         * output.cc (Output_section::add_relaxed_input_section): Add new
1101         arguments LAYOUT and NAME.  Set section order index.
1102         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1103         Copy section order index.
1104         * output.h (Output_section::add_relaxed_input_section): Add new
1105         arguments LAYOUT and NAME.
1106
1107 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1108
1109         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1110         NATIVE_OR_CROSS_LINKER.
1111         * testsuite/Makefile.in: Regenerate.
1112
1113 2010-10-20  Doug Kwan  <dougkwan@google.com>
1114
1115         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1116         without SHF_LINK_ORDER flags.
1117         * layout.cc (Layout::choose_output_section): Do not filter
1118         SHF_LINK_ORDER flag in a relocatable link.
1119
1120 2010-10-17  Cary Coutant  <ccoutant@google.com>
1121
1122         * output.h (Output_segment::set_section_addresses): Change function
1123         signature.  Update all callers.
1124         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1125         sections.
1126         (Output_segment::set_section_addresses): Align after last TLS
1127         section.  Add padding before last relro section instead of after.
1128
1129 2010-10-17  Doug Kwan  <dougkwan@google.com>
1130
1131         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1132         GOT output section to be writable.
1133
1134 2010-10-14  Cary Coutant  <ccoutant@google.com>
1135
1136         * debug.h (DEBUG_INCREMENTAL): New flag.
1137         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1138         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1139         mode.
1140         * incremental.cc (report_command_line): Ignore all forms of
1141         --incremental.
1142         * layout.cc (Layout::Layout): Check parameters for incremental link
1143         mode.
1144         * options.cc (General_options::parse_incremental): New function.
1145         (General_options::parse_no_incremental): New function.
1146         (General_options::parse_incremental_full): New function.
1147         (General_options::parse_incremental_update): New function.
1148         (General_options::incremental_mode_): New data member.
1149         (General_options::finalize): Check incremental_mode_.
1150         * options.h (General_options): Update help text for --incremental.
1151         Add --no-incremental, --incremental-full, --incremental-update.
1152         (General_options::Incremental_mode): New enum type.
1153         (General_options::incremental_mode): New function.
1154         (General_options::incremental_mode_): New data member.
1155         * parameters.cc (Parameters::incremental_mode_): New data member.
1156         (Parameters::set_options): Set incremental_mode_.
1157         (Parameters::set_incremental_full): New function.
1158         (Parameters::incremental): New function.
1159         (Parameters::incremental_update): New function.
1160         (set_parameters_incremental_full): New function.
1161         * parameters.h (Parameters::set_incremental_full): New function.
1162         (Parameters::incremental): New function.
1163         (Parameters::incremental_update): New function.
1164         (Parameters::incremental_mode_): New data member.
1165         (set_parameters_incremental_full): New function.
1166         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1167         incremental link mode.
1168         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1169         (Sized_relobj::do_relocate_sections): Likewise.
1170         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1171         option.
1172         * testsuite/Makefile.in: Regenerate.
1173         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1174
1175 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1176
1177         * script-sections.h (class Script_sections): Make
1178         Sections_elements typedef public.
1179         * script-sections.cc (class Sort_output_sections): Add elements_
1180         field.  Add constructor which sets it; change all callers.
1181         (Sort_output_sections::is_before): New function.
1182         (Sort_output_sections::operator()): Call is_before.
1183         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1184         conditional.
1185         * testsuite/script_test_10.sh: New test. Test script section
1186         order.
1187         * testsuite/script_test_10.t: Likewise.
1188         * testsuite/script_test_10.s: Likewise.
1189         * testsuite/Makefile.am: Wrap the cross linker tests and the
1190         common tests into NATIVE_OR_CROSS_LINKER.
1191         (check_SCRIPTS): Add script_test_10.sh.
1192         (check_DATA): Add script_test_10.stdout.
1193         (script_test_10.o, script_test_10): New targets.
1194         (script_test_10.stdout): New target.
1195         * configure, testsuite/Makefile.in: Regenerate.
1196
1197 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1198
1199         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1200         error for the deprecated relocations.
1201         (Target_arm::Scan::global): Likewise.
1202         (Target_arm::Relocate::relocate): Likewise.
1203
1204 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1205
1206         * fileread.cc (Input_file::find_file): Initialize *found_name
1207         and *namep when using the fallback search for case 4.
1208
1209 2010-10-11  Cary Coutant  <ccoutant@google.com>
1210
1211         * options.h (class General_options): Redefine -z lazy as an alias for
1212         the negation of -z now.
1213
1214 2010-10-11  Ian Lance Taylor  <iant@google.com>
1215
1216         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1217         binding.
1218
1219 2010-10-06  Nick Clifton  <nickc@redhat.com>
1220
1221         * script-sections.cc(class Memory_region): Remove
1222         current_lma_offset_ field.  Rename current_vma_offset_ to
1223         current_offset_.  Add last_section_ field.
1224         (Memory_region::get_current_vma_address): Rename to
1225         get_current_address.
1226         (Memory_region::get_current_lma_address): Delete.
1227         (Memory_region::increment_vma_offset): Rename to
1228         increment_offset.
1229         (Memory_region::increment_lma_offset): Delete.
1230         (Memory_region::attributes_compatible): New method.  Returns
1231         true if the provided section is compatible with the region.
1232         (Memory_region::get_last_section): New method.  Returns the last
1233         section to use the region.
1234         (Memory_region::set_last_section): New method.  Stores the last
1235         section to use the region.
1236         (Script_sections::block_in_region): New method.  Returns true if
1237         a block of memory is contained within a region.
1238         (Script_sections::find_memory_region): New method.  Locates a
1239         memory region to be used to set a VMA or LMA address.
1240         (Output_section_definition::set_section_addresses): Add code to
1241         check for addresses set by memory regions.
1242         (Output_segment::set_section_addresses): Remove memory region
1243         walking code.
1244         (Script_sections::create_segment): Add a warning if a header
1245         segment is created outside of any region.
1246         * script-sections.h (class Script_sections): Add prototypes for
1247         find_memory_region and block_in_region methods.
1248         * testsuite/memory_test.s: Use .long instead of .word.
1249         * testsuite/memory_test.t: Add some more output sections.
1250         * testsuite/memory_test.sh: Update expected output.
1251
1252 2010-10-02  Doug Kwan  <dougkwan@google.com>
1253
1254         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
1255         defintion to symtab.h
1256         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
1257         declaration to defintion.
1258
1259 2010-10-01  Nick Clifton  <nickc@redhat.com>
1260
1261         * expression.cc (eval): Replace dummy argument with NULL.
1262         (eval_maybe_dot): Check for a NULL result section pointer.
1263         (Symbol_expression::value): Likewise.
1264         (Dot_expression::value): Likewise.
1265         (BINARY_EXPRESSION): Likewise.
1266         (Max_expression::value): Likewise.
1267         (Min_expression::value): Likewise.
1268         (Absolute_expression::value): Likewise.
1269         (Addr_expression::value_from_output_section): Likewise.
1270         (Loaddddr_expression::value_from_output_section): Likewise.
1271         (Segment_start_expression::value): Likewise.
1272         * script-sections.cc
1273         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
1274         argument with NULL.
1275         (Sections_elememt_dot_assignment::set_section_addresses):
1276         Likewise.
1277         (Output_data_expression::do_write_to_buffer): Likewise.
1278         (Output_section_definition::finalize_symbols): Likewise.
1279         (Output_section_definition::set_section_addresses): Likewise.
1280
1281 2010-09-30  Doug Kwan  <dougkwan@google.com>
1282
1283         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
1284
1285 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
1286
1287         * target.h (Target::can_icf_inline_merge_sections): New virtual
1288         function.
1289         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
1290         virtual function.
1291         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
1292         virtual function.
1293         * icf.cc (get_section_contents): Inline merge sections only when
1294         target allows it.
1295
1296 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1297
1298         * configure: Regenerate.
1299
1300 2010-09-17  Ian Lance Taylor  <iant@google.com>
1301
1302         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
1303         * testsuite/Makefile.am (memory_test.o): New target.
1304         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
1305         memory_test.t.
1306         * testsuite/Makefile.in: Rebuild.
1307
1308 2010-09-17  Doug Kwan  <dougkwan@google.com>
1309
1310         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
1311         defintion if relocation uses GOT entries of the symbol.
1312         * testsuite/icf_safe_test.sh: Fix test.
1313         * testsuite/icf_safe_so_test.sh: Fix test.
1314
1315 2010-09-16  Cary Coutant  <ccoutant@google.com>
1316
1317         * script_sections.cc (class Memory_region): Remove "NULL" from
1318         vector initializations.
1319
1320 2010-09-15  Cary Coutant  <ccoutant@google.com>
1321
1322         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
1323         Resolve forwarding symbols.
1324
1325 2010-09-15  Doug Kwan  <dougkwan@google.com>
1326
1327         * gold/testsuite/script_test_3.t: Add ARM special sections.
1328         * gold/testsuite/script_test_4.t: Same.
1329         * gold/testsuite/script_test_5.t: Same.
1330         * gold/testsuite/script_test_6.t: Same.
1331         * gold/testsuite/script_test_7.t: Same.
1332         * gold/testsuite/script_test_7.t: Same.
1333         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
1334
1335 2010-09-14  Cary Coutant  <ccoutant@google.com>
1336
1337         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
1338         (Target_x86_64::Relocate::relocate_tls): Replace check for
1339         saw_tls_block_reloc_ with test for executable section.
1340
1341 2010-09-12  Cary Coutant  <ccoutant@google.com>
1342
1343         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
1344         position-independent executables to shared libraries need dynamic
1345         relocations.
1346         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
1347         position-independent executables.
1348         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
1349         * testsuite/Makefile.in: Regenerate.
1350
1351 2010-09-10  Nick Clifton  <nickc@redhat.com>
1352
1353         PR gold/11997
1354         * testsuite/memory_test.t: Discard any sections that are not
1355         needed.
1356
1357 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1358
1359         PR gold/11996
1360         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
1361         "This::" to work around a bug in gcc 4.2.
1362
1363         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
1364
1365 2010-09-09  Rafael Espindola  <espindola@google.com>
1366
1367         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
1368         sections with different PF_X flags in the same segment.
1369         (Layout::find_first_load_seg): Search all segments to find the first
1370         one.
1371         * options.h (rosegment): New.
1372
1373 2010-09-08  Rafael Espindola  <espindola@google.com>
1374
1375         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
1376
1377 2010-09-08  Doug Kwan  <dougkwan@google.com>
1378
1379         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
1380         (Arm_relobj::do_relocate_sections): Add new parameter for output
1381         file to match the parent.
1382         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
1383         of local symbols instead of input values.  Update code to track
1384         changes in gold::relocate_section.
1385         * object.cc (Sized_relobj::compute_final_local_value): New methods.
1386         (Sized_relobj::compute_final_local_value_internal): New methods.
1387         (Sized_relobj::do_finalize_local_symbols): Move code from loop
1388         body into private version of Sized_relobj::compute_final_local_value.
1389         Call the inline method.
1390         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
1391         merged symbol value if there is one.
1392         (Symbol_value::has_output_value): New method defintiion.
1393         (Sized_relobj::Compute_final_local_value_status): New enum type.
1394         (Sized_relobj::compute_final_local_value): New methods.
1395         (Sized_relobj::compute_final_local_value_internal): New methods.
1396         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
1397         and arm_cortex_a8.sh.
1398         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
1399         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
1400         New tests.
1401         * Makefile.in: Regenerate.
1402         * testsuite/arm_bl_out_of_range.s: Update test.
1403         * testsuite/thumb_bl_out_of_range.s: Ditto.
1404         * testsuite/thumb_blx_out_of_range.s: Ditto.
1405         * testsuite/arm_branch_out_of_range.sh: New file.
1406         * testsuite/arm_cortex_a8.sh: Ditto.
1407         * testsuite/arm_cortex_a8_b.s: Ditto.
1408         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
1409         * testsuite/arm_cortex_a8_b_local.s: Ditto.
1410         * testsuite/arm_cortex_a8_bl.s: Ditto.
1411         * testsuite/arm_cortex_a8_blx.s: Ditto.
1412         * testsuite/arm_cortex_a8_local.s: Ditto.
1413         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
1414         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
1415
1416 2010-09-08  Rafael Espindola  <espindola@google.com>
1417
1418         * Makefile.am (memory_test.stdout): Run readelf with -W.
1419         * Makefile.in: Regenerate.
1420         * testsuite/memory_test.sh: Make the regexps accept both 32 and
1421         64 bit output.
1422
1423 2010-09-08  Rafael Espindola  <espindola@google.com>
1424
1425         * script-sections.cc (Script_sections::add_memory_region): Convert
1426         field precision to int.
1427         * script.cc (script_set_section_region, script_set_section_region):
1428         Convert field precision to int.
1429
1430 2010-09-08  Rafael Espindola  <espindola@google.com>
1431
1432         * arm.cc (do_finalize_sections): Create the __exidx_start and
1433         __exdix_end symbols even when the section is missing.
1434
1435 2010-09-08  Nick Clifton  <nickc@redhat.com>
1436
1437         * README: Remove claim that MEMORY is not supported.
1438         * expression.cc (script_exp_function_origin)
1439         (script_exp_function_length): Move from here to ...
1440         * script.cc: ... here.
1441         (script_set_section_region, script_add_memory)
1442         (script_parse_memory_attr, script_include_directive): New
1443         functions.
1444         * script-sections.cc
1445         (class Memory_region): New class.
1446         (class Output_section_definition): Add set_memory_region,
1447         set_section_vma, set_section_lma and get_section_name methods.
1448         (class Script_Sections): Add add_memory_region,
1449         find_memory_region, find_memory_region_origin,
1450         find_memory_region_length and set_memory_region methods.
1451         Have set_section_addresses method walk the list of set memory
1452         regions.
1453         Extend the print methos to display memory regions.
1454         * script-sections.h: Add prototypes for new methods.
1455         Add enum for MEMORY region attributes.
1456         * yyscript.y: Add support for parsing MEMORY regions.
1457         * script-c.h: Add prototypes for new functions.
1458         * testsuite/Makefile.am: Add test of MEMORY region functionality.
1459         * testsuite/Makefile.in: Regenerate.
1460         * testsuite/memory_test.sh: New script.
1461         * testsuite/memory_test.s: New assembler source file.
1462         * testsuite/memory_test.t: New linker script.
1463
1464 2010-08-27  Doug Kwan  <dougkwan@google.com>
1465
1466         * gold/resolve.cc (Symbol_table::should_override): Let a weak
1467         reference override an existing dynamic weak reference.
1468         * testsuite/Makefile.am: Add new test dyn_weak_ref.
1469         * testsuite/Makefile.in: Regenerate.
1470         * testsuite/dyn_weak_ref.sh: New file.
1471         * testsuite/dyn_weak_ref_1.c: Ditto.
1472         * testsuite/dyn_weak_ref_2.c: Ditto.
1473
1474 2010-08-27  Ian Lance Taylor  <iant@google.com>
1475
1476         * incremental.h (class Incremental_input_entry): Add virtual
1477         destructor.
1478
1479 2010-08-27  Ian Lance Taylor  <iant@google.com>
1480
1481         * testsuite/start_lib_test_3.c: Mark t3 as used.
1482
1483 2010-08-27  Nick Clifton  <nickc@redhat.com>
1484
1485         * options.cc (version_script): Fix small typo in previous
1486         whitespace tidyup.
1487
1488 2010-08-25  Nick Clifton  <nickc@redhat.com>
1489
1490         * archive.cc: Formatting fixes: Remove whitespace between
1491         typename and following asterisk.  Remove whitespace between
1492         function name and opening parenthesis.
1493         * archive.h: Likewise.
1494         * arm.cc: Likewise.
1495         * attributes.cc: Likewise.
1496         * attributes.h: Likewise.
1497         * common.cc: Likewise.
1498         * copy-relocs.cc: Likewise.
1499         * dirsearch.h: Likewise.
1500         * dynobj.cc: Likewise.
1501         * ehframe.cc: Likewise.
1502         * ehframe.h: Likewise.
1503         * expression.cc: Likewise.
1504         * fileread.cc: Likewise.
1505         * fileread.h: Likewise.
1506         * gc.h: Likewise.
1507         * gold-threads.cc: Likewise.
1508         * gold.cc: Likewise.
1509         * i386.cc: Likewise.
1510         * icf.h: Likewise.
1511         * incremental-dump.cc: Likewise.
1512         * incremental.cc: Likewise.
1513         * layout.cc: Likewise.
1514         * layout.h: Likewise.
1515         * main.cc: Likewise.
1516         * merge.cc: Likewise.
1517         * merge.h: Likewise.
1518         * object.cc: Likewise.
1519         * object.h: Likewise.
1520         * options.cc: Likewise.
1521         * options.h: Likewise.
1522         * output.cc: Likewise.
1523         * output.h: Likewise.
1524         * plugin.cc: Likewise.
1525         * plugin.h: Likewise.
1526         * powerpc.cc: Likewise.
1527         * reloc.cc: Likewise.
1528         * script-c.h: Likewise.
1529         * script-sections.cc: Likewise.
1530         * script.cc: Likewise.
1531         * stringpool.cc: Likewise.
1532         * symtab.cc: Likewise.
1533         * symtab.h: Likewise.
1534         * target.cc: Likewise.
1535         * timer.cc: Likewise.
1536         * timer.h: Likewise.
1537         * version.cc: Likewise.
1538         * x86_64.cc: Likewise.
1539
1540 2010-08-24  Nick Clifton  <nickc@redhat.com>
1541
1542         PR 11899
1543         * layout.cc (segment_precedes): Sort segments by their physical
1544         addresses, if they have been set.
1545
1546 2010-08-23  Cary Coutant  <ccoutant@google.com>
1547
1548         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
1549         symbols data.
1550         (Lib_group::include_member): Unlock object after deleting its
1551         symbols data.
1552         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
1553         the bug fixed here.
1554
1555 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
1556             Cary Coutant  <ccoutant@google.com>
1557
1558         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
1559         constructor, and set_blocker.
1560         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
1561         readsyms_blocker_.
1562         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
1563         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
1564         * testsuite/Makefile.am (start_lib_test): New test case.
1565         * testsuite/Makefile.in: Regenerate.
1566         * testsuite/start_lib_test_main.c: New file.
1567         * testsuite/start_lib_test_1.c: New file.
1568         * testsuite/start_lib_test_2.c: New file.
1569         * testsuite/start_lib_test_3.c: New file.
1570
1571 2010-08-19  Ian Lance Taylor  <iant@google.com>
1572
1573         * Makefile.in: Rebuild with automake 1.11.1.
1574         * aclocal.m4: Likewise.
1575         * testsuite/Makefile.in: Likewise.
1576
1577 2010-08-19  Ian Lance Taylor  <iant@google.com>
1578
1579         PR 10893
1580         * i386.cc (class Output_data_plt_i386): Update declarations.
1581         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
1582         local_ifuncs_ fields.
1583         (Target_i386::do_plt_section_for_global): New function.
1584         (Target_i386::do_plt_section_for_local): New function.
1585         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
1586         parameter; change all callers.  Initialize global_ifuncs_ and
1587         local_ifuncs_.  If doing a static link define __rel_iplt_start and
1588         __rel_iplt_end.
1589         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
1590         (Output_data_plt_i386::add_local_ifunc_entry): New function.
1591         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
1592         symbols.
1593         (Target_i386::make_plt_section): New function, broken out of
1594         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
1595         (Target_i386::make_plt_entry): Call make_plt_section.
1596         (Target_i386::make_local_ifunc_plt_entry): New function.
1597         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
1598         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
1599         R_386_IRELATIVE to switch.
1600         (Target_i386::Scan::global): Likewise.
1601         (Target_i386::Relocate::relocate): Likewise.
1602         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
1603         switch.
1604         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
1605         (Target_x86_64::do_plt_section_for_global): New function.
1606         (Target_x86_64::do_plt_section_for_local): New function.
1607         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
1608         parameter; change all callers.  If doing a static link define
1609         __rela_iplt_start and __rela_iplt_end.
1610         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
1611         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
1612         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
1613         to point to .plt.
1614         (Target_x86_64::make_local_ifunc_plt_entry): New function.
1615         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
1616         switch.
1617         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
1618         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
1619         R_X86_64_IRELATIVE to switch.
1620         (Target_x86_64::Scan::global): Likewise.
1621         (Target_x86_64::Relocate::relocate): Likewise.
1622         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
1623         switch.
1624         * target.h (class Target): Add plt_section_for_global and
1625         plt_section_for_local functions.  Add do_plt_section_for_global
1626         and do_plt_section_for_local virtual functions.
1627         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
1628         clarifying comments.
1629         (Symbol::use_plt_offset): Handle IFUNC symbol.
1630         * object.cc (Sized_relobj::Sized_relobj): Initialize
1631         local_plt_offsets_.
1632         (Sized_relobj::local_has_plt_offset): New function.
1633         (Sized_relobj::local_plt_offset): New function.
1634         (Sized_relobj::set_local_plt_offset): New function.
1635         (Sized_relobj::do_count): Handle IFUNC symbol.
1636         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
1637         a bit away from input_shndx_ field.  Add set_is_func_symbol and
1638         is_ifunc_symbol functions.
1639         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
1640         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
1641         local_plt_offsets_ field.
1642         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
1643         * output.h (class Output_section_data): Add non-const
1644         output_section function.
1645         (class Output_data_got): Update declarations.
1646         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
1647         Add use_plt_offset parameter to global and local constructors.
1648         Change all callers.  Change local_sym_index_ field to 31 bits.
1649         Change GSYM_CODE and CONSTANT_CODE accordingly.
1650         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
1651         doing a static link don't set sh_link field.
1652         (Output_data_got::Got_entry::write): Use PLT offset if
1653         appropriate.
1654         (Output_data_got::add_global_plt): New function.
1655         (Output_data_got::add_local_plt): New function.
1656         * target-reloc.h (relocate_section): Handle IFUNC symbol.
1657         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
1658         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
1659         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
1660         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
1661         IFUNC conditional.
1662         * testsuite/ifunc-sel.h: New file.
1663         * testsuite/ifuncmain1.c: New file.
1664         * testsuite/ifuncmain1vis.c: New file.
1665         * testsuite/ifuncmod1.c: New file.
1666         * testsuite/ifuncdep2.c: New file.
1667         * testsuite/ifuncmain2.c: New file.
1668         * testsuite/ifuncmain3.c: New file.
1669         * testsuite/ifuncmod3.c: New file.
1670         * testsuite/ifuncmain4.c: New file.
1671         * testsuite/ifuncmain5.c: New file.
1672         * testsuite/ifuncmod5.c: New file.
1673         * testsuite/ifuncmain6pie.c: New file.
1674         * testsuite/ifuncmod6.c: New file.
1675         * testsuite/ifuncmain7.c: New file.
1676         * configure, testsuite/Makefile.in: Rebuild.
1677
1678 2010-08-18  Ian Lance Taylor  <iant@google.com>
1679
1680         * incremental.cc
1681         (Output_section_incremental_inputs::write_input_files): Add cast
1682         to avoid signed/unsigned comparison warning.
1683         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1684
1685 2010-08-12  Cary Coutant  <ccoutant@google.com>
1686
1687         * common.cc (Sort_commons::operator()): Remove unnecessary code.
1688
1689 2010-08-13  Ian Lance Taylor  <iant@google.com>
1690
1691         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
1692
1693 2010-08-12  Cary Coutant  <ccoutant@google.com>
1694             Doug Kwan  <dougkwan@google.com>
1695
1696         * resolve.cc (Symbol_table::should_override): When a weak dynamic
1697         defintion overrides non-weak undef, remember that the original undef
1698         is not weak.
1699         * symtab.cc (Symbol_table::sized_write_global): For undef without
1700         an original weak binding, set binding to global in output.
1701         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
1702         * testsuite/Makefile.in: Regenerate.
1703         * testsuite/strong_ref_weak_def.sh: New file.
1704         * testsuite/strong_ref_weak_def_1.c: Ditto.
1705         * testsuite/strong_ref_weak_def_2.c: Ditto.
1706
1707 2010-08-12  Cary Coutant  <ccoutant@google.com>
1708
1709         * testsuite/incremental_test.sh: Rewrite.
1710         * testsuite/incremental_test_1.c: Rewrite.
1711         * testsuite/incremental_test_2.c: Rewrite.
1712
1713 2010-08-12  Cary Coutant  <ccoutant@google.com>
1714
1715         * arm.cc (Target_arm::got_size): Add const.
1716         (Target_arm::got_entry_count): New function.
1717         (Target_arm::plt_entry_count): New function.
1718         (Target_arm::first_plt_entry_offset): New function.
1719         (Target_arm::plt_entry_size): New function.
1720         (Output_data_plt_arm::entry_count): New function.
1721         (Output_data_plt_arm::first_plt_entry_offset): New function.
1722         (Output_data_plt_arm::get_plt_entry_size): New function.
1723         * i386.cc (Target_i386::got_size): Add const.
1724         (Target_i386::got_entry_count): New function.
1725         (Target_i386::plt_entry_count): New function.
1726         (Target_i386::first_plt_entry_offset): New function.
1727         (Target_i386::plt_entry_size): New function.
1728         (Output_data_plt_i386::entry_count): New function.
1729         (Output_data_plt_i386::first_plt_entry_offset): New function.
1730         (Output_data_plt_i386::get_plt_entry_size): New function.
1731         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
1732         find_incremental_inputs_sections.  Dump incremental_got_plt section.
1733         * incremental.cc: Include target.h.
1734         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
1735         parameter.  Adjust all callers.  Find incremental_got_plt section.
1736         (Incremental_inputs::create_data_sections): Create incremental_got_plt
1737         section.
1738         (Output_section_incremental_inputs::set_final_data_size): Calculate
1739         size of incremental_got_plt section.
1740         (Output_section_incremental_inputs::do_write): Write the
1741         incremental_got_plt section.
1742         (Got_plt_view_info): New struct.
1743         (Local_got_offset_visitor): New class.
1744         (Global_got_offset_visitor): New class.
1745         (Global_symbol_visitor_got_plt): New class.
1746         (Output_section_incremental_inputs::write_got_plt): New function.
1747         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
1748         Add parameter.  Adjust all callers.
1749         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1750         (Incremental_inputs::got_plt_section): New function.
1751         (Incremental_inputs::got_plt_section_): New data member.
1752         (Incremental_got_plt_reader): New class.
1753         * layout.cc (Layout::create_incremental_info_sections): Add the
1754         incremental_got_plt section.
1755         * object.h (Got_offset_list::get_list): New function.
1756         (Got offset_list::for_all_got_offsets): New function.
1757         (Sized_relobj::local_got_offset_list): New function.
1758         * powerpc.cc (Target_powerpc::got_size): Add const.
1759         (Target_powerpc::got_entry_count): New function.
1760         (Target_powerpc::plt_entry_count): New function.
1761         (Target_powerpc::first_plt_entry_offset): New function.
1762         (Target_powerpc::plt_entry_size): New function.
1763         (Output_data_plt_powerpc::entry_count): New function.
1764         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
1765         (Output_data_plt_powerpc::get_plt_entry_size): New function.
1766         * sparc.cc (Target_sparc::got_size): Add const.
1767         (Target_sparc::got_entry_count): New function.
1768         (Target_sparc::plt_entry_count): New function.
1769         (Target_sparc::first_plt_entry_offset): New function.
1770         (Target_sparc::plt_entry_size): New function.
1771         (Output_data_plt_sparc::entry_count): New function.
1772         (Output_data_plt_sparc::first_plt_entry_offset): New function.
1773         (Output_data_plt_sparc::get_plt_entry_size): New function.
1774         * symtab.h (Symbol::got_offset_list): New function.
1775         (Symbol_table::for_all_symbols): New function.
1776         * target.h (Sized_target::got_entry_count): New function.
1777         (Sized_target::plt_entry_count): New function.
1778         (Sized_target::plt_entry_size): New function.
1779         * x86_64.cc (Target_x86_64::got_size): Add const.
1780         (Target_x86_64::got_entry_count): New function.
1781         (Target_x86_64::plt_entry_count): New function.
1782         (Target_x86_64::first_plt_entry_offset): New function.
1783         (Target_x86_64::plt_entry_size): New function.
1784         (Output_data_plt_x86_64::entry_count): New function.
1785         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
1786         (Output_data_plt_x86_64::get_plt_entry_size): New function.
1787
1788 2010-08-12  Cary Coutant  <ccoutant@google.com>
1789
1790         * archive.cc: Include incremental.h.
1791         (Archive::Archive): Initialize incremental_info_.
1792         (Archive::include_member): Record archive members in incremental info.
1793         (Add_archive_symbols::run): Record begin and end of an archive in
1794         incremental info.
1795         (Lib_group::include_member): Record objects in incremental info.
1796         * archive.h (Incremental_archive_entry): Forward declaration.
1797         (Archive::set_incremental_info): New member function.
1798         (Archive::incremental_info): New member function.
1799         (Archive::Unused_symbol_iterator): New class.
1800         (Archive::unused_symbols_begin): New member function.
1801         (Archive::unused_symbols_end): New member function.
1802         (Archive::incremental_info_): New data member.
1803         * incremental-dump.cc (find_input_containing_global): New function.
1804         (dump_incremental_inputs): Dump new incremental info sections.
1805         * incremental.cc: Include symtab.h.
1806         (Output_section_incremental_inputs): New class.
1807         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
1808         new incremental info sections.
1809         (Sized_incremental_binary::do_check_inputs): Likewise.
1810         (Incremental_inputs::report_archive): Remove.
1811         (Incremental_inputs::report_archive_begin): New function.
1812         (Incremental_inputs::report_archive_end): New function.
1813         (Incremental_inputs::report_object): New function.
1814         (Incremental_inputs::finalize_inputs): Remove.
1815         (Incremental_inputs::report_input_section): New function.
1816         (Incremental_inputs::report_script): Rewrite.
1817         (Incremental_inputs::finalize): Do nothing but finalize string table.
1818         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1819         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1820         (Incremental_inputs::create_data_sections): New function.
1821         (Incremental_inputs::relocs_entsize): New function.
1822         (Output_section_incremental_inputs::set_final_data_size): New function.
1823         (Output_section_incremental_inputs::do_write): New function.
1824         (Output_section_incremental_inputs::write_header): New function.
1825         (Output_section_incremental_inputs::write_input_files): New function.
1826         (Output_section_incremental_inputs::write_info_blocks): New function.
1827         (Output_section_incremental_inputs::write_symtab): New function.
1828         * incremental.h (Incremental_script_entry): Forward declaration.
1829         (Incremental_object_entry): Forward declaration.
1830         (Incremental_archive_entry): Forward declaration.
1831         (Incremental_inputs): Forward declaration.
1832         (Incremental_inputs_header_data): Remove.
1833         (Incremental_inputs_header): Remove.
1834         (Incremental_inputs_header_write): Remove.
1835         (Incremental_inputs_entry_data): Remove.
1836         (Incremental_inputs_entry): Remove.
1837         (Incremental_inputs_entry_write): Remove.
1838         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
1839         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
1840         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1841         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
1842         Likewise.
1843         (Incremental_input_entry): New class.
1844         (Incremental_script_entry): New class.
1845         (Incremental_object_entry): New class.
1846         (Incremental_archive_entry): New class.
1847         (Incremental_inputs::Incremental_inputs): Initialize new data members.
1848         (Incremental_inputs::report_inputs): Remove.
1849         (Incremental_inputs::report_archive): Remove.
1850         (Incremental_inputs::report_archive_begin): New function.
1851         (Incremental_inputs::report_archive_end): New function.
1852         (Incremental_inputs::report_object): Change prototype.
1853         (Incremental_inputs::report_input_section): New function.
1854         (Incremental_inputs::report_script): Change prototype.
1855         (Incremental_inputs::get_reloc_count): New function.
1856         (Incremental_inputs::set_reloc_count): New function.
1857         (Incremental_inputs::create_data_sections): New function.
1858         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1859         (Incremental_inputs::inputs_section): New function.
1860         (Incremental_inputs::symtab_section): New function.
1861         (Incremental_inputs::relocs_section): New function.
1862         (Incremental_inputs::get_stringpool): Add const.
1863         (Incremental_inputs::command_line): Add const.
1864         (Incremental_inputs::inputs): Remove.
1865         (Incremental_inputs::command_line_key): New function.
1866         (Incremental_inputs::input_file_count): New function.
1867         (Incremental_inputs::input_files): New function.
1868         (Incremental_inputs::relocs_entsize): New function.
1869         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1870         (Incremental_inputs::finalize_inputs): Remove.
1871         (Incremental_inputs::Input_info): Remove.
1872         (Incremental_inputs::lock_): Remove.
1873         (Incremental_inputs::inputs_): Change type.
1874         (Incremental_inputs::inputs_map_): Remove.
1875         (Incremental_inputs::current_object_entry_): New data member.
1876         (Incremental_inputs::inputs_section_): New data member.
1877         (Incremental_inputs::symtab_section_): New data member.
1878         (Incremental_inputs::relocs_section_): New data member.
1879         (Incremental_inputs::reloc_count_): New data member.
1880         (Incremental_inputs_reader): New class.
1881         (Incremental_symtab_reader): New class.
1882         (Incremental_relocs_reader): New class.
1883         * layout.cc (Layout::finalize): Move finalization of incremental info
1884         and creation of incremental info sections to follow finalization of
1885         symbol table.  Set offsets for postprocessing sections.
1886         (Layout::create_incremental_info_sections): Call
1887         Incremental_inputs::create_data_sections.  Add incremental symtab
1888         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
1889         sections to layout after input sections.
1890         * layout.h (struct Timespec): Forward declaration.
1891         (Layout::incremental_inputs): Add const.
1892         (Layout::create_incremental_info_sections): Add parameter.
1893         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
1894         * object.cc: Include incremental.h.
1895         (Relobj::finalize_incremental_relocs): New function.
1896         (Sized_relobj::do_layout): Record input sections in incremental info.
1897         * object.h (Object::output_section): New function.
1898         (Object::output_section_offset): Moved from Relobj.
1899         (Object::get_incremental_reloc_base): New function.
1900         (Object::get_incremental_reloc_count): New function.
1901         (Object::do_output_section): New function.
1902         (Object::do_output_section_offset): Moved from Relobj.
1903         (Object::do_get_incremental_reloc_base): New function.
1904         (Object::do_get_incremental_reloc_count): New function.
1905         (Object::Object): Initialize new data members.
1906         (Relobj::output_section): Renamed do_output_section and moved to
1907         protected.
1908         (Relobj::output_section_offset): Moved to Object.
1909         (Relobj::do_get_incremental_reloc_base): New function.
1910         (Relobj::do_get_incremental_reloc_count): New function.
1911         (Relobj::allocate_incremental_reloc_counts): New function.
1912         (Relobj::count_incremental_reloc): New function.
1913         (Relobj::finalize_incremental_relocs): New function.
1914         (Relobj::next_incremental_reloc_index): New function.
1915         (Relobj::reloc_counts_): New data member.
1916         (Relobj::reloc_bases_): New data member.
1917         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1918         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1919         (Sized_relobj::incremental_relocs_scan): New function.
1920         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1921         (Sized_relobj::incremental_relocs_write): New function.
1922         (Sized_relobj::incremental_relocs_write_reltype): New function.
1923         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1924         incremental link.
1925         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1926         archives and object files elsewhere.
1927         (Add_symbols::run): Report object files here.
1928         (Finish_group::run): Report end of archive at end of group.
1929         * reloc.cc: Include layout.h, incremental.h.
1930         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1931         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1932         (Sized_relobj::incremental_relocs_scan): New function.
1933         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1934         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1935         (Sized_relobj::incremental_relocs_write): New function.
1936         (Sized_relobj::incremental_relocs_write_reltype): New function.
1937         * script.cc (read_input_script): Rewrite test for incremental link.
1938         Change call to Incremental_inputs::report_script.
1939         * symtab.h (Symbol_table::first_global_index): New function.
1940         (Symbol_table::output_count): New function.
1941
1942 2010-08-12  Doug Kwan  <dougkwan@google.com>
1943
1944         * arm.cc (Target_arm::merge_object_attributes): Check command line
1945         options --no-wchar-size-warning and --no-enum-size-warning.
1946         * options.h (General_options): Add ld-compatible options
1947         --no-enum-size-warning and --no-wchar-size-warning.
1948
1949 2010-08-04  Ian Lance Taylor  <iant@google.com>
1950
1951         * x86_64.cc (Target_x86_64::Scan::local): Use
1952         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1953         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1954         (Target_x86_64::Scan::global): Likewise.
1955         (Target_x86_64::Relocate::relocate): Likewise.
1956         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1957         Likewise.
1958
1959 2010-08-03  Cary Coutant  <ccoutant@google.com>
1960
1961         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1962         to reserve space in merged_strings vector. Keep total input size
1963         for stats.
1964         (Output_merge_string::do_print_merge_stats): Print total input size.
1965         * merge.h (Output_merge_string): Add input_size_ field.
1966         * stringpool.cc (Stringpool_template::string_length): Move
1967         implementations out of Stringpool_template class and place in
1968         stringpool.h.
1969         * stringpool.h (string_length): Move out of Stringpool_template.
1970
1971 2010-08-03  Ian Lance Taylor  <iant@google.com>
1972
1973         PR 11712
1974         * layout.cc (relaxation_loop_body): If address of load segment is
1975         set, adjust address to include headers if possible.
1976
1977 2010-08-03  Ian Lance Taylor  <iant@google.com>
1978
1979         * version.cc (version_string): Bump to 1.10.
1980
1981 2010-08-03  Ian Lance Taylor  <iant@google.com>
1982
1983         PR 11805
1984         * layout.h (enum Output_section_order): Define.
1985         (class Layout): Update declarations.
1986         * layout.cc (Layout::get_output_section): Add order parameter.
1987         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1988         is_first_non_relro parameters.  Change all callers.
1989         (Layout::choose_output_section): Likewise.
1990         (Layout::add_output_section_data): Likewise.
1991         (Layout::make_output_section): Likewise.  Set order.
1992         (Layout::default_section_order): New function.
1993         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1994         * output.cc (Output_section::Output_section): Initialize order_.
1995         Don't initialize deleted fields.
1996         (Output_segment::Output_segment): Don't initialize deleted
1997         fields.
1998         (Output_segment::add_output_section_to_load): New function
1999         replacing add_output_section.  Change all callers to call this or
2000         add_output_section_to_nonload.
2001         (Output_segment::add_output_section_to_nonload): New function.
2002         (Output_segment::remove_output_section): Rewrite.
2003         (Output_segment::add_initial_output_data): Likewise.
2004         (Output_segment::has_any_data_sections): Likewise.
2005         (Output_segment::is_first_section_relro): Likewise.
2006         (Output_segment::maximum_alignment): Likewise.
2007         (Output_segment::has_dynamic_reloc): New function replacing
2008         dynamic_reloc_count.  Change all callers.
2009         (Output_segment::has_dynamic_reloc_list): New function replacing
2010         dynamic_reloc_count_list.  Change all callers.
2011         (Output_segment::set_section_addresses): Rewrite.
2012         (Output_segment::set_offset): Rewrite.
2013         (Output_segment::find_first_and_last_list): Remove.
2014         (Output_segment::set_tls_offsets): Rewrite.
2015         (Output_segment::first_section_load_address): Likewise.
2016         (Output_segment::output_section_count): Likewise.
2017         (Output_segment::section_with_lowest_load_address): Likewise.
2018         (Output_segment::write_section_headers): Likewise.
2019         (Output_segment::print_sections_to_map): Likewise.
2020         * output.h (class Output_data): Remove dynamic_reloc_count_
2021         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
2022         (Output_data::add_dynamic_reloc): Rewrite.
2023         (Output_data::has_dynamic_reloc): New function.
2024         (Output_data::dynamic_reloc_count): Remove.
2025         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
2026         is_last_relro_, is_first_non_relro_, is_interp_,
2027         is_dynamic_linker_section_ fields.  Add order and set_order
2028         functions.  Remove is_relro_local, set_is_relro_local,
2029         is_last_relro, set_is_last_relro, is_first_non_relro,
2030         set_is_first_non_relro functions, is_interp, set_is_interp,
2031         is_dynamic_linker_section, and set_is_dynamic_linker_section
2032         functions.
2033         (class Output_segment): Change Output_data_list from std::list to
2034         std:;vector.  Add output_lists_ field.  Remove output_data_ and
2035         output_bss_ fields.  Update declarations.
2036
2037 2010-08-02  Ian Lance Taylor  <iant@google.com>
2038
2039         * arm.cc (Target_arm::gc_process_relocs): Use typename.
2040         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
2041         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2042
2043 2010-08-02  Ian Lance Taylor  <iant@google.com>
2044
2045         PR 11855
2046         * script.cc (Script_options::Script_options): Initialize
2047         symbol_definitions_ and symbol_references_.
2048         (Script_options::add_symbol_assignment): Update
2049         symbol_definitions_ and symbol_references_.
2050         (Script_options::add_symbol_reference): New function.
2051         (script_symbol): New function.
2052         * script.h (class Script_options): Add symbol_definitions_ and
2053         symbol_references_ fields.
2054         (Script_options::referenced_const_iterator): New type.
2055         (Script_options::referenced_begin): New function.
2056         (Script_options::referenced_end): New function.
2057         (Script_options::is_referenced): New function.
2058         (Script_options::any_unreferenced): New function.
2059         * script-c.h (script_symbol): Declare.
2060         * yyscript.y (exp): Call script_symbol.
2061         * symtab.cc: Include "script.h".
2062         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2063         Change all callers.  Check symbols referenced by scripts.
2064         (Symbol_table::add_undefined_symbols_from_command_line): Add
2065         layout parameter.  Change all callers.
2066         (Symbol_table::do_add_undefined_symbols_from_command_line):
2067         Likewise.  Break out loop body.  Check symbols referenced by
2068         scripts.
2069         (Symbol_table::add_undefined_symbol_from_command_line): New
2070         function broken out of
2071         do_add_undefined_symbols_from_command_line.
2072         * symtab.h (class Symbol_table): Update declarations.
2073         * archive.cc: Include "layout.h".
2074         (Archive::should_include_member): Add layout parameter.  Change
2075         all callers.  Check for symbol mentioned in expression.
2076         * archive.h (class Archive): Update declaration.
2077         * object.cc (Sized_relobj::do_should_include_member): Add layout
2078         parameter.
2079         * object.h (Object::should_include_member): Add layout parameter.
2080         Change all callers.
2081         (Object::do_should_include_member): Add layout parameter.
2082         (class Sized_relobj): Update declaration.
2083         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2084         parameter.
2085         * dynobj.h (class Sized_dynobj): Update declaration.
2086         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2087         layout parameter.
2088         * plugin.h (class Sized_pluginobj): Update declaration.
2089
2090 2010-08-02  Ian Lance Taylor  <iant@google.com>
2091
2092         PR 11866
2093         * output.cc (Output_segment::set_offset): Search for the first and
2094         last sections rather than assuming that the list is in order.
2095         (Output_segment::find_first_and_last_list): New function.
2096         * output.h (class Output_segment): Update declarations.
2097         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2098         (relro_strip_test_SOURCES): New variable.
2099         (relro_strip_test_DEPENDENCIES): New variable.
2100         (relro_strip_test_LDFLAGS): New variable.
2101         (relro_strip_test_LDADD): New variable.
2102         (relro_strip_test.so): New target.
2103
2104 2010-08-02  Ian Lance Taylor  <iant@google.com>
2105
2106         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2107         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2108         (Target_i386::got_tlsdesc_section): New function.
2109         (Target_i386::got_section): Create space for GOT entries for
2110         TLSDESC relocations.
2111         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2112         R_386_TLS_GOTDESC.
2113         (Target_i386::Scan::global): Likewise.
2114         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2115         using TLSDESC GOT.
2116         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2117         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2118         (Target_x86_64::got_tlsdesc_section): New function.
2119         (Target_x86_64::got_section): Create space for GOT entries for
2120         TLSDESC relocations.
2121         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2122         R_386_TLS_GOTDESC.
2123         (Target_x86_64::Scan::global): Likewise.
2124         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2125         using TLSDESC GOT.
2126
2127 2010-08-02  Ian Lance Taylor  <iant@google.com>
2128
2129         * testsuite/final_layout.sh: Use dc to convert from hex to
2130         decimal.
2131
2132 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2133
2134         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2135         paramter to the call to gold::gc_process_relocs.
2136         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2137         paramter to the call to gold::gc_process_relocs.
2138         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2139         parameter to the call to gold::gc_process_relocs.
2140         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2141         template parameter to the call to gold::gc_process_relocs.
2142         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2143         paramter to the call to gold::gc_process_relocs.
2144         * gc.h (get_embedded_addend_size): New function.
2145         (gc_process_relocs): Save the size of the reloc for use by ICF.
2146         * icf.cc (get_section_contents): Get the addend from the text section
2147         for SHT_REL relocation sections.
2148         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2149         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2150         * int_encoding.h (read_from_pointer): New overloaded function.
2151         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2152         * testsuite/icf_sht_rel_addend_test.sh: New file.
2153         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2154         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2155
2156 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2157
2158         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2159         * Makefile.in: Regenerate.
2160         * testsuite/Makefile.in: Regenerate.
2161
2162 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2163
2164         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2165         * gold/testsuite/debug_msg.cc: Likewise.
2166         * gold/testsuite/odr_violation1.cc
2167         * gold/testsuite/odr_violation2.cc
2168
2169 2010-07-21  Cary Coutant  <ccoutant@google.com>
2170
2171         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2172         string, and length fields.
2173         (Output_merge_string::Merged_strings_list): New type.
2174         (Output_merge_string::Merged_strings_lists): New typedef.
2175         (Output_merge_string): Replace merged_strings_ with
2176         merged_strings_lists_.
2177         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2178         Merged_strings_list per input object and section.  Don't store pointer
2179         to the string.  Don't store length with each merged string entry.
2180         (Output_merge_string::finalize_merged_data): Loop over list of merged
2181         strings lists.  Recompute length of each merged string.
2182
2183 2010-07-15  Cary Coutant  <ccoutant@google.com>
2184
2185         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2186         here.
2187
2188 2010-07-14  Ian Lance Taylor  <iant@google.com>
2189
2190         * descriptors.cc (Descriptors::open): Report correct name in error
2191         message.
2192
2193 2010-07-13  Doug Kwan  <dougkwan@google.com>
2194
2195         * arm.cc (Arm_input_section::Arm_input_section): For a
2196         SHT_ARM_EXIDX section, always keeps the input sections.
2197         (Arm_input_section::set_exidx_section_link): New method.
2198         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2199         has_errors_ to false.
2200         (Arm_exidx_input_section::has_errors,
2201         Arm_exidx_input_section::set_has_errors): New methods.
2202         (Arm_exidx_input_section::has_errors_): New data member.
2203         (Arm_relobj::get_exidx_shndx_list): New method.
2204         (Arm_output_section::append_text_sections_to_list): Do not skip
2205         section without SHF_EXECINSTR.
2206         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2207         errors.
2208         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2209         section header.  Make error messages more verbose.  Check for
2210         a non-executable section linked to an EXIDX section.
2211         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2212         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2213         check that there is no deferred EXIDX section if we exit early.
2214         Instead of not making an EXIDX section in case of an error, make one
2215         and set the has_errors flag of it.
2216         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2217         in a relocatable link.
2218         (Target_arm::do_relax): Look for the EXIDX output section instead of
2219         assuming that it is called .ARM.exidx.
2220         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2221         section list.  Do not check for SHF_EXECINSTR section flags but
2222         skip any input section with errors.
2223         * output.cc (Output_section::Output_section): Initialize
2224         always_keeps_input_sections_ to false.
2225         (Output_section::add_input_section): Check for
2226         always_keeps_input_sections_.
2227         *  output.h (Output_section::always_keeps_input_sections,
2228         Output_section::set_always_keeps_input_sections): New methods.
2229         (Output_section::always_keeps_input_sections): New data member.
2230
2231 2010-07-13  Rafael Espindola  <espindola@google.com>
2232
2233         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2234         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2235
2236 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
2237             Ian Lance Taylor  <iant@google.com>
2238
2239         * output.h (Output_section_lookup_maps::add_merge_section):
2240         Correct check of whether value was inserted.
2241         (Output_section_lookup_maps::add_merge_input_section): Likewise.
2242         (Output_section_lookup_maps::add_relaxed_input_section):
2243         Likewise.
2244         * arm.cc (Target_arm::got_section): Remove used local os.
2245         * i386.cc (Target_i386::got_section): Likewise.
2246         * x86_64.cc (Target_x86_64::got_section): Likewise.
2247         * sparc.cc (Target_sparc::got_section): Likewise.
2248         (Target_sparc::relocate): Remove unused local have_got_offset.
2249         * powerpc.cc (Target_powerpc::relocate): Likewise.
2250
2251 2010-07-13  Ian Lance Taylor  <iant@google.com>
2252
2253         * compressed_output.cc (zlib_decompress): Fix signature in
2254         !HAVE_ZLIB_H case.
2255
2256         * archive.cc (Archive::include_member): Unlock an external member
2257         of a thin archive.  Don't bother to delete an object we know is
2258         NULL.
2259
2260 2010-07-12  Cary Coutant  <ccoutant@google.com>
2261
2262         * compressed_output.cc (zlib_decompress): New function.
2263         (get_uncompressed_size): New function.
2264         (decompress_input_section): New function.
2265         * compressed_output.h (get_uncompressed_size): New function.
2266         (decompress_input_section): New function.
2267         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
2268         Handle compressed debug sections.
2269         * layout.cc (is_compressed_debug_section): New function.
2270         (Layout::output_section_name): Map compressed section names to
2271         canonical names.
2272         * layout.h (is_compressed_debug_section): New function.
2273         (is_debug_info_section): Recognize compressed debug sections.
2274         * merge.cc: Include compressed_output.h.
2275         (Output_merge_data::do_add_input_section): Handle compressed
2276         debug sections.
2277         (Output_merge_string::do_add_input_section): Handle compressed
2278         debug sections.
2279         * object.cc: Include compressed_output.h.
2280         (Sized_relobj::Sized_relobj): Initialize new data members.
2281         (build_compressed_section_map): New function.
2282         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
2283         * object.h (Object::section_is_compressed): New method.
2284         (Object::do_section_is_compressed): New method.
2285         (Sized_relobj::Compressed_section_map): New type.
2286         (Sized_relobj::do_section_is_compressed): New method.
2287         (Sized_relobj::compressed_sections_): New data member.
2288         * output.cc (Output_section::add_input_section): Handle compressed
2289         debug sections.
2290         * reloc.cc: Include compressed_output.h.
2291         (Sized_relobj::write_sections): Handle compressed debug sections.
2292
2293 2010-07-08  Cary Coutant  <ccoutant@google.com>
2294
2295         * resolve.cc (Symbol_table::resolve): Remember whether undef was
2296         weak when resolving to a dynamic def.
2297         (Symbol_table::should_override): Add adjust_dyndef flag; set it
2298         for weak undef/dynamic def cases. Adjust callers.
2299         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
2300         undef_binding_weak_.
2301         (Symbol_table::sized_write_globals): Adjust symbol binding.
2302         (Symbol_table::sized_write_symbol): Add binding parameter.
2303         * symtab.h (Symbol::set_undef_binding): New method.
2304         (Symbol::is_undef_binding_weak): New method.
2305         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
2306         (Symbol_table::should_override): Add new parameter.
2307         (Symbol_table::sized_write_symbol): Add new parameter.
2308
2309         * testsuite/weak_undef_file1.cc: Add new test case.
2310         * testsuite/weak_undef_file2.cc: Fix header comment.
2311         * testsuite/weak_undef_test.cc: Add new test case.
2312
2313 2010-06-29  Doug Kwan  <dougkwan@google.com>
2314
2315         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
2316         Initialize USE_SYMBOL_.
2317         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
2318         definition.
2319         (Arm_reloc_property::uses_symbol_): New data member declaration.
2320         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
2321         uses symbol value and symbol is undefined but not weakly undefined.
2322
2323 2010-06-28  Rafael Espindola  <espindola@google.com>
2324
2325         * plugin.cc (Plugin::load): Use dlerror.
2326
2327 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
2328
2329         * symtab.cc (detect_odr_violations): When reporting an ODR
2330         violation, report an object where the symbol is defined.
2331
2332 2010-06-25  Doug Kwan  <dougkwan@google.com>
2333
2334         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
2335         (Target_arm::section_may_have_icf_unsafe_pointers): New method
2336         definition.
2337         (Target_arm::Scan::local_reloc_may_be_function_pointer,
2338         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
2339         target hook to detect function points.
2340         (Target_arm::Scan::possible_function_pointer_reloc): New method.
2341         * icf.h (Icf::check_section_for_function_pointers): Change type of
2342         parameter SECTION_NAME to const reference to std::string.  Use
2343         target hook to determine if section may have unsafe pointers.
2344         * target.h (Target::section_may_have_icf_unsafe_pointers): New
2345         method definition.
2346
2347 2010-06-21  Rafael Espindola  <espindola@google.com>
2348
2349         * fileread.cc (Input_file::find_fie): New
2350         (Input_file::open): Use Input_file::find_fie.
2351         * fileread.h (Input_file::find_fie): New
2352         * plugin.cc (set_extra_library_path): New.
2353         (Plugin::load): Add set_extra_library_path to the transfer vector.
2354         (Plugin_manager::set_extra_library_path): New.
2355         (Plugin_manager::add_input_file): Use the extra search path if set.
2356         (set_extra_library_path(): New.
2357         * plugin.h (Plugin_manager): Add set_extra_library_path and
2358         extra_search_path_.
2359
2360 2010-06-19  Cary Coutant  <ccoutant@google.com>
2361
2362         * layout.cc (gdb_sections): Add .debug_types.
2363         (lines_only_debug_sections): Likewise.
2364
2365 2010-06-18  Rafael Espindola  <espindola@google.com>
2366
2367         * plugin.cc (add_input_file,add_input_library)
2368         (Plugin_manager::add_input_file): Make filename arguments const.
2369         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
2370         const.
2371
2372 2010-06-16  Doug Kwan  <dougkwan@google.com>
2373
2374         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
2375         .ARM.attributes section if we have not merged any input
2376         attributes sections.
2377
2378 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2379
2380         * arm.cc: Allow combining objects with no EABI version
2381         information.
2382
2383 2010-06-15  Rafael Espindola  <espindola@google.com>
2384
2385         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
2386
2387 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2388
2389         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
2390         (struct iovec): Correct !HAVE_READV definition.
2391
2392 2010-06-10  Cary Coutant  <ccoutant@google.com>
2393
2394         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
2395         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
2396         reloc sections.
2397         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
2398
2399         PR 11683
2400         * symtab.h (Symbol::is_placeholder): New member function.
2401         * target-reloc.h (relocate_section): Check for placeholder symbols.
2402
2403         * testsuite/Makefile.am (plugin_test_8): New test.
2404         (plugin_test_9): New test.
2405         * testsuite/Makefile.in: Regenerate.
2406
2407 2010-06-09  Nick Clifton  <nickc@redhat.com>
2408
2409         * yyscript.y (input_list_element): Allow strings prefixed with
2410         the '-' character.  Treat these as libraries.
2411         * script.cc (script_add_library): New function.  Adds a library
2412         specified by "-l<name>" found in an input script.
2413         * script-c.h: Add prototype for script_add_library.
2414
2415 2010-06-07  Doug Kwan  <dougkwan@google.com>
2416
2417         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
2418         Restrict stub-group size to be within long conditional branch
2419         range when working around cortex-A8 erratum.
2420
2421 2010-06-07  Damien Diederen  <dd@crosstwine.com>
2422
2423         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
2424         #ifdef typo.
2425
2426 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
2427
2428         PR gold/11658
2429         * output.cc
2430         (Output_section::Input_section_sort_entry::compare_section_ordering):
2431         Change to return non-zero correctly.
2432         (Output_section::Input_section_sort_section_order_index_compare
2433         ::operator()): Change to fix ambiguity in comparisons.
2434
2435 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
2436
2437         * gold.h (is_wildcard_string): New function.
2438         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
2439         (Layout::layout_eh_frame): Ditto.
2440         (Layout::find_section_order_index): New method.
2441         (Layout::read_layout_from_file): New method.
2442         * layout.h (Layout::find_section_order_index): New method.
2443         (Layout::read_layout_from_file): New method.
2444         (Layout::input_section_position_): New private member.
2445         (Layout::input_section_glob_): New private member.
2446         * main.cc (main): Call read_layout_from_file here.
2447         * options.h (--section-ordering-file): New option.
2448         * output.cc (Output_section::input_section_order_specified_): New
2449         member.
2450         (Output_section::Output_section): Initialize new member.
2451         (Output_section::add_input_section): Add new parameter.
2452         Keep input sections when --section-ordering-file is used.
2453         (Output_section::set_final_data_size): Sort input sections when
2454         section ordering file is specified.
2455         (Output_section::Input_section_sort_entry): Add new parameter.
2456         Check sorting type.
2457         (Output_section::Input_section_sort_entry::compare_section_ordering):
2458         New method.
2459         (Output_section::Input_section_sort_compare::operator()): Change to
2460         consider section_order_index.
2461         (Output_section::Input_section_sort_init_fini_compare::operator()):
2462         Change to consider section_order_index.
2463         (Output_section::Input_section_sort_section_order_index_compare
2464         ::operator()): New method.
2465         (Output_section::sort_attached_input_sections): Change to sort
2466         according to section order when specified.
2467         (Output_section::add_input_section<32, true>): Add new parameter.
2468         (Output_section::add_input_section<64, true>): Add new parameter.
2469         (Output_section::add_input_section<32, false>): Add new parameter.
2470         (Output_section::add_input_section<64, false>): Add new parameter.
2471         * output.h (Output_section::add_input_section): Add new parameter.
2472         (Output_section::input_section_order_specified): New
2473         method.
2474         (Output_section::set_input_section_order_specified): New method.
2475         (Input_section::Input_section): Initialize section_order_index_.
2476         (Input_section::section_order_index): New method.
2477         (Input_section::set_section_order_index): New method.
2478         (Input_section::section_order_index_): New member.
2479         (Input_section::Input_section_sort_section_order_index_compare): New
2480         struct.
2481         (Output_section::input_section_order_specified_): New member.
2482         * script-sections.cc (is_wildcard_string): Delete and move modified
2483         method to gold.h.
2484         (Output_section_element_input::Output_section_element_input): Modify
2485         call to is_wildcard_string.
2486         (Output_section_element_input::Input_section_pattern
2487         ::Input_section_pattern): Ditto.
2488         (Output_section_element_input::Output_section_element_input): Ditto.
2489         * testsuite/Makefile.am (final_layout): New test case.
2490         * testsuite/Makefile.in: Regenerate.
2491         * testsuite/final_layout.cc: New file.
2492         * testsuite/final_layout.sh: New file.
2493
2494 2010-06-01  Rafael Espindola  <espindola@google.com>
2495
2496         * plugin.cc (Plugin::load): Pass the output name to the plugin.
2497
2498 2010-06-01  Rafael Espindola  <espindola@google.com>
2499
2500         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
2501         visibility of symbols.
2502
2503 2010-05-27  Doug Kwan  <dougkwan@google.com>
2504
2505         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
2506         from start of output section instead of address for a local symbol
2507         in a merged or relaxed section when doing a relocatable link.
2508
2509 2010-05-26  Rafael Espindola  <espindola@google.com>
2510
2511        PR 11604
2512         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
2513         adding sections the garbage collector removed.
2514         * gold/testsuite/Makefile.am: Add test.
2515         * gold/testsuite/Makefile.in: Regenerate.
2516         * gold/testsuite/plugin_test_7.sh: New.
2517         * gold/testsuite/plugin_test_7_1.c: New.
2518         * gold/testsuite/plugin_test_7_2.c: New.
2519
2520 2010-05-26  Rafael Espindola  <espindola@google.com>
2521
2522         * script-sections.cc (Output_section_definition::set_section_addresses):
2523         Check for --section-start.
2524
2525 2010-05-26  Doug Kwan  <dougkwan@google.com>
2526
2527         * arm.cc (Arm_scan_relocatable_relocs): New class.
2528         (Target_arm::relocate_special_relocatable): New method.
2529         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
2530         (Arm_relocate_functions::thumb_branch_common): Same.
2531         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
2532         instead of Default_scan_relocatable_relocs.
2533         * target-reloc.h (relocate_for_relocatable): Let target handle
2534         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
2535         * target.h (Sized_target::relocate_special_relocatable): New method.
2536
2537 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2538
2539         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
2540
2541 2010-05-23  Doug Kwan  <dougkwan@google.com>
2542
2543         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
2544         instead of a cast.
2545         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
2546         with a direct branch, not a conditional branch, to a stub.
2547         * merge.cc (Output_merge_base::record_input_section): New method
2548         defintion.
2549         (Output_merge_data::do_add_input_section): Record input section if
2550         keeps-input-sections flag is set.
2551         (Output_merge_string::do_add_input_section): Ditto.
2552         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
2553         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
2554         INPUT_SECTIONS_.
2555         (Output_merge_base::keeps_input_sections,
2556         Output_merge_base::set_keeps_input_sections,
2557         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
2558         method definitions.
2559         (Output_merge_base::Input_sections): New type declaration.
2560         (Output_merge_base::input_sections_begin,
2561         Output_merge_base::input_sections_end,
2562         Output_merge_base::do_set_keeps_input_sections): New method definitions.
2563         (Output_merge_base::bool keeps_input_sections_,
2564         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
2565         Output_merge_base::input_sections_): New data members.
2566         (Output_merge_data::do_set_keeps_input_sections): New method
2567         defintion.
2568         (Output_merge_string::do_set_keeps_input_sections): Ditto.
2569         * output.cc (Output_section::Input_section::relobj): Move method
2570         defintion from class declaration to here and handle merge sections.
2571         (Output_section::Input_section::shndx): Ditto.
2572         (Output_section::Output_section): Remove initializations of removed
2573         data members and initialize new data member LOOKUP_MAPS_.
2574         (Output_section::add_input_section): Set keeps-input-sections flag
2575         for a newly created merge output section as appropriate.  Adjust code
2576         to use Output_section_lookup_maps class.
2577         (Output_section::add_relaxed_input_section): Adjst code for lookup
2578         maps code refactoring.
2579         (Output_section::add_merge_input_section): Add a new parameter
2580         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
2581         class.  If adding input section to a newly created merge output
2582         section fails, remove the new merge section.
2583         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
2584         Adjust code for use of the Output_section_lookup_maps class.
2585         (Output_section::find_merge_section): Ditto.
2586         (Output_section::build_lookup_maps): New method defintion.
2587         (Output_section::find_relaxed_input_section): Adjust code to use
2588         Output_section_lookup_maps class.
2589         (Output_section::get_input_sections): Export merge sections.  Adjust
2590         code to use Output_section_lookup_maps class.
2591         (Output_section:::add_script_input_section): Adjust code to use
2592         Output_section_lookup_maps class.  Update lookup maps for merge
2593         sections also.
2594         (Output_section::discard_states): Use Output_section_lookup_maps.
2595         (Output_section::restore_states): Same.
2596         * output.h (Merge_section_properties): Move class defintion out of
2597         Output_section.
2598         (Output_section_lookup_maps): New class.
2599         (Output_section::Input_section::is_merge_section): New method
2600         defintion.
2601         (Output_section::Input_section::relobj): Move defintion out of class
2602         defintion.  Declare method only.
2603         (Output_section::Input_section::shndx): Ditto.
2604         (Output_section::Input_section::output_merge_base): New method defintion.
2605         (Output_section::Input_section::u2_.pomb): New union field.
2606         (Output_section::Merge_section_by_properties_map,
2607         Output_section::Output_section_data_by_input_section_map,
2608         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
2609         Remove types.
2610         (Output_section::add_merge_input_section): Add new parameter
2611         KEEPS_INPUT_SECTIONS.
2612         (Output_section::build_lookup_maps): New method declaration.
2613         (Output_section::merge_section_map_,
2614         Output_section::merge_section_by_properties_map_,
2615         Output_section::relaxed_input_section_map_,
2616         Output_section::is_relaxed_input_section_map_valid_): Remove data
2617         members.
2618         (Output_section::lookup_maps_): New data member.
2619
2620 2010-05-21  Doug Kwan  <dougkwan@google.com>
2621
2622         PR gold/11619
2623         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
2624         avoid a compilation error.
2625
2626 2010-05-19  Rafael Espindola  <espindola@google.com>
2627
2628         * script-sections.cc (Output_section_definition::allocate_to_segment):
2629         Update the phdrs_list even when the output section is NULL.
2630         * testsuite/Makefile.am: Add test.
2631         * testsuite/Makefile.in: Regenerate.
2632         * testsuite/script_test_9.cc: New.
2633         * testsuite/script_test_9.sh: New.
2634         * testsuite/script_test_9.t: New.
2635
2636 2010-05-19  Doug Kwan  <dougkwan@google.com>
2637
2638         * arm.cc (Arm_input_section::original_size): New method.
2639         (Arm_input_section::do_addralign): Add a cast.
2640         (Arm_input_section::do_output_offset): Remove static cast.
2641         (Arm_input_section::original_addralign,
2642          Arm_input_section::original_size_): Change type to uint32_t.
2643         (Arm_input_section::init): Add safe casts for section alignment
2644         and size.
2645         (Arm_input_section::set_final_data_size): Do not set address and
2646         offset of stub table.
2647         (Arm_output_section::fix_exidx_coverage): Change use of of
2648         Output_section::Simple_input_section to that of
2649         Output_section::Input_section.
2650         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
2651         except for the first pass.
2652         * output.cc (Output_section::get_input_sections): Change type of
2653         input_sections to std::list<Input_section>.
2654         (Output_section::add_script_input_section): Rename from
2655         Output_section::add_simple_input_section.  Change type of SIS
2656         parameter from Simple_input_section to Input_section.
2657         * output.h (Output_section::Simple_input_section): Remove class.
2658         (Output_section::Input_section): Change class visibility to public.
2659         (Output_section::Input_section::addralign): Use stored alignments
2660         for special input sections if set.
2661         (Output_section::Input_section::set_addralign): New method.
2662         (Output_section::get_input_sections): Change parameter type from
2663         list of Simple_input_section to list of Input_section.
2664         (Output_section::add_script_input_section): Rename from
2665         Output_section::add_simple_input_section. Change first parameter's
2666         type from Simple_input_section to Input_section and remove the
2667         second and third parameters.
2668         * script-sections.cc (Input_section::Input_section_list): Change
2669         type to list of Output_section::Input_section/
2670         (Input_section_info::Input_section_info): Change parameter type of
2671         INPUT_SECTION to Output_section::Input_section.
2672         (Input_section_info::input_section): Change return type.
2673         (Input_section_info::input_section_): Change type to
2674         Output_section::Input_section.
2675         (Output_section_element_input::set_section_addresses): Adjust code
2676         to use Output_section::Input_section instead of
2677         Output_section::Simple_input_section.  Adjust code for renaming
2678         of Output_section::add_simple_input_section.
2679         (Orphan_output_section::set_section_addresses): Ditto.
2680
2681 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2682
2683         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
2684         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
2685
2686 2010-05-18  Rafael Espindola  <espindola@google.com>
2687
2688         * options.cc (General_options::finalize): Handle -nostdlib.
2689         * options.h (nostdlib): New option.
2690         * script.cc (script_add_search_dir): Handle -nostdlib.
2691
2692 2010-05-12  Doug Kwan  <dougkwan@google.com>
2693
2694         * arm.cc (Target_arm::do_finalize_sections): Create an empty
2695         attributes section only if there no attributes section after merging.
2696         (Target_arm::merge_object_attributes): Move value of
2697         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
2698         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
2699         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
2700         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
2701         and arm_attr_merge_7.stdout.
2702         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
2703         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
2704         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
2705         arm_attr_merge_7b.o): New rules.
2706         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
2707         arm_attr_merge_7
2708         * testsuite/Makefile.in: Regenerate.
2709         * testsuite/arm_attr_merge.sh: New file.
2710         * testsuite/arm_attr_merge_[67][ab].s: Same.
2711
2712 2010-05-05  Nick Clifton  <nickc@redhat.com>
2713
2714         * po/es.po: Updated Spanish translation.
2715
2716 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2717
2718         * Makefile.am (install-exec-local): Properly install gold as
2719         default cross linker.
2720         * Makefile.in: Regenerated.
2721
2722 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2723             Nick Clifton  <nickc@redhat.com>
2724
2725         * configure.ac (install_as_default): Define and set to false
2726         unless --enable-gold or --enable-gold=both/gold has been
2727         specified.
2728         * configure: Regenerate.
2729
2730         * Makefile.am (install-exec-local): Install the executable as
2731         'ld.gold'.  If install_as_default is true then also install it as
2732         'ld'.
2733         * Makefile.in: Regenerated.
2734
2735 2010-04-24  Ian Lance Taylor  <iant@google.com>
2736
2737         * layout.cc (Layout::layout_reloc): In relocatable link don't
2738         combine reloc sections for grouped sections.
2739
2740 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
2741
2742         * gc.h (gc_process_relocs): Pass information on relocs pointing to
2743         sections that are not ordinary to icf.
2744         * icf.cc (get_section_contents): Handle relocation pointing to section
2745         with no object or shndx information.
2746         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
2747         * testsuite/Makefile.in: Regenerate.
2748         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
2749         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
2750
2751 2010-04-22  Ian Lance Taylor  <iant@google.com>
2752
2753         * expression.cc (Expression::Expression_eval_info): Add
2754         result_alignment_pointer field.
2755         (Expression::eval_with_dot): Add result_alignment_pointer
2756         parameter.  Change all callers.
2757         (Expression::eval_maybe_dot): Likewise.
2758         (class Binary_expression): Add alignment_pointer parameter to
2759         left_value and right_value.  Change all callers.
2760         (BINARY_EXPRESSION): Set result alignment.
2761         (class Trinary_expression): Add alignment_pointer parameter to
2762         arg2_value and arg3_value.  Change all callers.
2763         (Trinary_cond::value): Set result alignment.
2764         (Max_expression::value, Min_expression::value): Likewise.
2765         (Align_expression::value): Likewise.
2766         * script-sections.cc (class Sections_element): Add dot_alignment
2767         parameter to set_section_addresses virtual function.  Update
2768         instantiations.
2769         (class Output_section_element): Likewise.
2770         (Script_sections::create_segments): Add dot_alignment parameter.
2771         Change all callers.
2772         (Script_sections::create_segments_from_phdrs_clause): Likewise.
2773         (Script_sections::set_phdrs_clause_addresses): Likewise.
2774         * script-sections.h: Update declarations.
2775         * script.h: Update declarations.
2776         * output.h (Output_segment::set_minimum_p_align): Don't decrease
2777         min_p_align.
2778         * testsuite/script_test_3.t: Set large alignment.
2779         * testsuite/script_test_3.sh: Make sure that at least one LOAD
2780         segment has expected alignment.
2781
2782 2010-04-22  Nick Clifton  <nickc@redhat.com>
2783
2784         * po/gold.pot: Updated by the Translation project.
2785         * po/vi.po: Updated Vietnamese translation.
2786
2787 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
2788
2789         * testsuite/Makefile.am (check_PROGRAMS): Add
2790         icf_virtual_function_folding_test.
2791         * testsuite/Makefile.in: Regenerated.
2792
2793 2010-04-15  Andrew Haley  <aph@redhat.com>
2794
2795         * options.h (merge_exidx_entries): New option.
2796         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
2797         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
2798         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
2799         (Target_arm::merge_exidx_entries): New function.
2800         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
2801         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
2802         to Arm_exidx_fixup constructor.
2803         Add new arg, merge_exidx_entries.
2804         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
2805         Arm_output_section::fix_exidx_coverage.
2806
2807 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
2808
2809         * icf.cc (get_section_contents): Check for preemptible functions.
2810         Ignore addend when appropriate.
2811         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
2812         section folded.
2813         (add_from_relobj): Check for section folded.
2814         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
2815         * symtab.h (should_add_dynsym_entry): Add new parameter.
2816         * target-reloc.h (scan_relocs): Check for section folded.
2817         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
2818         Check reloc types for function pointers in shared objects.
2819         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
2820         case.
2821         (icf_preemptible_functions_test): New test case.
2822         (icf_string_merge_test): New test case.
2823         * testsuite.Makefile.in: Regenerate.
2824         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
2825         bar_glob.  Refactor code.
2826         * testsuite/icf_preemptible_functions_test.cc: New file.
2827         * testsuite/icf_preemptible_functions_test.sh: New file.
2828         * testsuite/icf_string_merge_test.cc: New file.
2829         * testsuite/icf_string_merge_test.sh: New file.
2830         * testsuite/icf_virtual_function_folding_test.cc: New file.
2831         * testsuite/icf_virtual_function_folding_test.sh: New file.
2832
2833 2010-04-14  Doug Kwan  <dougkwan@google.com>
2834
2835         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
2836         for local symbol recounting if we remove a section due to ICF.
2837         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
2838         there are no regular objects in input.
2839
2840 2010-04-13  Doug Kwan  <dougkwan@google.com>
2841
2842         * arm.cc (Arm_input_section::set_final_data_size): Compute
2843         accurate final data size instead of using current data size.
2844
2845 2010-04-09  Doug Kwan  <dougkwan@google.com>
2846
2847         * layout.cc (Layout::choose_output_section): Handle script section
2848         types.
2849         (Layout::make_output_section_for_script): Add section type parameter.
2850         Handle script section types.
2851         * layout.h (Layout::make_output_section_for_script): Add section
2852         type parameter.
2853         * output.cc (Output_section::Output_section): Initialize data member
2854         is_noload_.
2855         (Output_section::do_reset_address_and_file_offset): Do not set address
2856         to 0 if section is a NOLOAD section.
2857         * output.h (Output_section::is_noload): New method.
2858         (Output_section::set_is_noload): Ditto.
2859         (Output_section::is_noload_): New data member.
2860         * script-c.h (Script_section_type): New enum type.
2861         (struct Parser_output_section_header): Add new file section_type.
2862         * script-sections.cc (Sections_element::output_section_name): Add
2863         parameter for returning script section type.
2864         (Output_section_definition::output_section_name): Ditto.
2865         (Output_section_definition::section_type)P; New method.
2866         (Output_section_definiton::script_section_type_name): Ditto.
2867         (Output_section_definition::script_section_type_): New data member.
2868         (Output_section_definition::Output_section_definition): Initialize
2869         data member Output_section_definition::script_section_type_.
2870         (Output_section_definition::create_sections): Pass script section type
2871         to Layout::make_output_section_for_script.
2872         (Output_section_definition::output_section_name): Return script
2873         section type to caller.
2874         (Output_section_definition::set_section_address): Do not advance
2875         dot value and load address if section type is NOLOAD.  Set address
2876         of NOLOAD sections regardless of section flags.
2877         (Output_section_definition::print): Print section type if it is
2878         not SCRIPT_SECTION_TYPE_NONE.
2879         (Output_section_definition::section_type): New method.
2880         (Output_section_definition::script_section_type_name): Ditto.
2881         (Script_sections::output_section_name): Add new parameter
2882         PSECTION_TYPE for returning script section type.  Pass it to
2883         section elements.  Handle discard sections.
2884         (Sort_output_sections::operator()): Handle NOLOAD sections.
2885         * script-sections.h (Script_sections::Section_type): New enum type.
2886         (Script_sections::output_section_name): Add a new parameter for
2887         returning script section type.
2888         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
2889         INFO and NOLOAD.
2890         * yyscript.y (union): Add new field SECTION_TYPE.
2891         (COPY, DSECT, INFO, NOLOAD): New tokens.
2892         (opt_address_and_section_type): Change type to output_section_header.
2893         (section_type): New non-terminal
2894         (section_header): Handle section type.
2895         (opt_address_and_section_type): Return section type value.
2896
2897 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2898
2899         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2900         * testsuite/plugin_common_test_2.c (foo): Likewise.
2901
2902 2010-04-08  Doug Kwan  <dougkwan@google.com>
2903
2904         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2905         Output_merge_data.
2906         * output.cc (Output_section::add_merge_input_section): Simplify
2907         code and return status of Output_merge_base::add_input_section.
2908         Update merge section map only if Output_merge_base::add_input_section
2909         returns true.
2910
2911 2010-04-07  Doug Kwan  <dougkwan@google.com>
2912
2913         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2914         if section is marked as containing instructions but has no mapping
2915         symbols.
2916         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2917         correct section index.
2918         (Arm_relobj::find_linked_text_section): Ditto.
2919
2920 2010-04-07  Cary Coutant  <ccoutant@google.com>
2921
2922         * archive.cc (include_member): Destroy Read_symbols_data object before
2923         releasing file.
2924         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2925         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2926         (Read_symbols_data::~Read_symbols_data) New destructor.
2927         (Section_relocs::Section_relocs) New constructor.
2928         (Section_relocs::~Section_relocs) New destructor.
2929         (Read_relocs_data::Read_relocs_data) New constructor.
2930         (Read_relocs_data::~Read_relocs_data) New destructor.
2931         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2932         pointers to NULL after deleting.
2933
2934 2010-04-07  Doug Kwan  <dougkwan@google.com>
2935
2936         * arm.cc: Replace "endianity" with "endianness" in comments.
2937         (Arm_exidx_cantunwind): Ditto.
2938         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2939         (Arm_relobj::merge_flags_and_attributes): New method.
2940         (Arm_relobj::merge_flags_and_attributes_): New data member.
2941         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2942         (Arm_relobj::scan_sections_for_stubs): Ditto.
2943         (Arm_relobj::do_read_symbols): Check to see if we really want to
2944         merge processor-specific flags and attributes.  Exit early if
2945         an object is empty except for section names and the undefined symbol.
2946         (Target_arm::do_finalize_sections): Move check for ELF format to
2947         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2948         attributes from a regular object only when we have determined that
2949         it is aapropriate.  Do not create an .ARM.attributes section in
2950         output if there is no regular input object.
2951         (Target_arm::merge_processor_specific_flags): Check
2952         --warn-mismatch before printing any error.
2953         (Target_arm::merge_object_attributes): Ditto.
2954         * gold.cc (queue_middle_tasks): Handle the case in which there is
2955         no regular object in input.
2956         * options.cc (General_options::parse_EB): New method.
2957         (General_options::parse_EL): Same.
2958         (General_options::General_options): Initialize endianness_.
2959         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2960         New options.
2961         (General_options::Endianness): New enum.
2962         (General_options::endianness): New method.
2963         (General_options::endianness_): New data member.
2964         * parameters.cc (Parameters::set_options): Check target endianness.
2965         (Parameters::set_target_once): Ditto.
2966         (Parameters::check_target_endianness): New method.
2967         (parameters_force_valid_target): If either -EL or -EB is specified,
2968         use it to define endianness of default target.
2969         * parameters.h (Parameters::check_target_endianness): New method
2970         declaration.
2971         * target.h (class Target): Change "endianity" to "endianness"
2972         in comments.
2973
2974 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2975
2976         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2977         * configure: Regenerate.
2978         * Makefile.in: Regenerate.
2979         * testsuite/Makefile.in: Regenerate.
2980
2981 2010-04-06  Cary Coutant  <ccoutant@google.com>
2982
2983         gcc PR lto/42757
2984         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2985         prevailing definitions of common symbols.
2986         * testsuite/plugin_test_6.sh: New test case.
2987         * testsuite/plugin_common_test_1.c: New test case.
2988         * testsuite/plugin_common_test_2.c: New test case.
2989         * testsuite/Makefile.am (plugin_test_6): New test case.
2990         * testsuite/Makefile.in: Regenerate.
2991
2992 2010-04-06  Nick Clifton  <nickc@redhat.com>
2993
2994         * po/vi.po: New Vietnamese translation.
2995
2996 2010-03-30  Doug Kwan  <dougkwan@google.com>
2997
2998         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2999
3000 2010-03-25  Doug Kwan  <dougkwan@google.com>
3001
3002         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
3003         to avoid a conversion warning on a 32-bit host.
3004
3005 2010-03-24  Ian Lance Taylor  <iant@google.com>
3006
3007         * testsuite/script_test_3.t: Add a TLS segment.
3008         * testsuite/Makefile.am (check_PROGRAMS): Add
3009         tls_phdrs_script_test.
3010         (tls_phdrs_script_test_SOURCES): Define.
3011         (tls_phdrs_script_test_DEPENDENCIES): Define.
3012         (tls_phdrs_script_test_LDFLAGS): Define.
3013         (tls_phdrs_script_test_LDADD): Define.
3014         * testsuite/Makefile.in: Rebuild.
3015
3016 2010-03-23  Cary Coutant  <ccoutant@google.com>
3017
3018         * fileread.cc (find_or_make_view): Fix comment.
3019
3020 2010-03-23  Ian Lance Taylor  <iant@google.com>
3021
3022         * script-sections.cc (class Orphan_section_placement): Define
3023         PLACE_TLS and PLACE_TLS_BSS.
3024         (Orphan_section_placement::Orphan_section_placement): Initialize
3025         new places.
3026         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
3027         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
3028         (tls_script_test_SOURCES): Define.
3029         (tls_script_test_DEPENDENCIES): Define.
3030         (tls_script_test_LDFLAGS): Define.
3031         (tls_script_test_LDADD): Define.
3032         * testsuite/Makefile.in: Rebuild.
3033
3034 2010-03-22  Doug Kwan  <dougkwan@google.com>
3035
3036         * arm.cc (Arm_relocate_functions::abs8,
3037         Arm_relocate_functions::abs16): Use correct check for overflow
3038         specified in the ARM ELF specs.
3039         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
3040         target of a BLX instruction specially.
3041         (Reloc_stub::stub_type_for_reloc): Ditto.
3042         (Relocate::relocate): Use symbolic names instead of numeric relocation
3043         codes to report error.
3044         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
3045         workaround.
3046         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
3047         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
3048         thumb2_blx_out_of_range.stdout
3049         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
3050         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3051         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3052         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3053         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3054         thumb2_blx_in_range, thumb2_blx_in_range.o,
3055         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3056         thumb2_blx_out_of_range.o): New rules.
3057         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3058         thumb2_blx_in_range and thumb2_blx_out_of_range.
3059         * testsuite/Makefile.in: Regenerate.
3060         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3061         * testsuite/thumb_blx_in_range.s: New file.
3062         * testsuite/thumb_blx_out_of_range.s: New file.
3063
3064 2010-03-22  Rafael Espindola  <espindola@google.com>
3065
3066         * archive.cc (Should_include): Move to archive.h.
3067         (should_include_member): Make it a member of Archive.
3068         (Lib_group): New.
3069         (Add_lib_group_symbols): New.
3070         * archive.h: Include options.h.
3071         (Archive_member): Moved from Archive.
3072         (Should_include): Moved from archive.cc.
3073         (Lib_group): New.
3074         (Add_lib_group_symbols): New.
3075         * dynobj.cc (do_should_include_member): New.
3076         * dynobj.h (do_should_include_member): New.
3077         * gold.cc (queue_initial_tasks): Update call to queue.
3078         * main.cc (main): Print lib group stats.
3079         * object.cc (do_should_include_member): New.
3080         * object.h: Include archive.h.
3081         (Object::should_include_member): New.
3082         (Object::do_should_include_member): New.
3083         (Sized_relobj::do_should_include_member): New.
3084         * options.cc (General_options::parse_start_lib): New.
3085         (General_options::parse_end_lib): New.
3086         (Input_arguments::add_file): Handle lib groups.
3087         (Input_arguments::start_group): Check we are not in a lib.
3088         (Input_arguments::start_lib): New.
3089         (Input_arguments::end_lib): New.
3090         * options.h (General_options): Add start_lib and end_lib.
3091         (Input_argument::lib_): New.
3092         (Input_argument::lib): New.
3093         (Input_argument::is_lib): New.
3094         (Input_file_lib): New.
3095         (Input_arguments::in_lib_): New.
3096         (Input_arguments::in_lib): New.
3097         (Input_arguments::start_lib): New.
3098         (Input_arguments::end_lib_): New.
3099         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3100         in unused members as preempted.
3101         (Sized_pluginobj::do_should_include_member): New.
3102         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3103         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3104         return the blocker.
3105         (Read_symbols::do_whole_lib_group): New.
3106         (Read_symbols::do_lib_group): New.
3107         (Read_symbols::do_read_symbols): Handle lib groups.
3108         (Read_symbols::get_name): Handle lib groups.
3109         * readsyms.h (Read_symbols): Add an archive member pointer.
3110         (Read_symbols::do_whole_lib_group): New.
3111         (Read_symbols::do_lib_group): New.
3112         (Read_symbols::member_): New.
3113         * script.cc (read_input_script): Update call to queue_soon.
3114
3115 2010-03-19  Doug Kwan  <dougkwan@google.com>
3116
3117         * arm.cc (Stub_table::Stub_table): Initialize new data members
3118         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3119         (Stub_table::add_reloc_stub): Assign stub offset and update
3120         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3121         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3122         New data members.
3123         (Stub_table::update_data_size_and_addralign): Use
3124         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3125         instead of going over all reloc stubs.
3126         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3127         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3128         Stringpool_template::offset_ to size of Stringpool_char.
3129         (Stringpool_template::new_key_offset): Remove code to initialize
3130         Stringpool_template::offset_.
3131         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3132         Stringpool_template::offset_ to zero.
3133
3134 2010-03-15  Doug Kwan  <dougkwan@google.com>
3135
3136         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3137         offset_.
3138         (Stringpool_template::new_key_offset): New method.
3139         (Stringpool_template::add_string): Assign offsets when adding new
3140         strings.
3141         (Stringpool_template::set_string_offsets): Do not set string offsets
3142         when not optimizing.
3143         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3144         member size_.
3145         (Chunked_vector::clear): Clear size_.
3146         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3147         (Chunked_vector::size): Return size_.
3148         (Chunked_vector::push_back): Use size_ to find insert position.
3149         (Chunked_vector::size_): New data member.
3150         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3151         (Stringpool_template::new_key_offset): New method declaration.
3152         (Stringpool_template::offset_): New data member.
3153
3154 2010-03-15   Rafael Espindola  <espindola@google.com>
3155
3156         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3157         Add_symbols' constructor.
3158         * readsyms.h (Add_symbols): Remove the input_group member.
3159
3160 2010-03-10  Ian Lance Taylor  <iant@google.com>
3161
3162         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3163         target to ask whether a reference to a symbol requires a stack
3164         split.
3165         * target.h (Target::is_call_to_non_split): New function.
3166         (Target::do_is_call_to_non_split): Declare virtual function.
3167         * target.cc: Include "symtab.h".
3168         (Target::do_is_call_to_non_split): New function.
3169         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3170
3171 2010-03-10  Cary Coutant  <ccoutant@google.com>
3172
3173         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3174         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3175         (File_read::open[2]): Add whole_file_view_ to list of views.
3176         (File_read::make_view): Remove test of whole_file_view_.
3177         (File_read::find_or_make_view): Create whole_file_view_ if
3178         necessary.
3179         (File_read::clear_views): Replace bool parameter with enum;
3180         adjust all callers.  Don't delete views with permanent data;
3181         do delete cached views and views from archives if
3182         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3183         if clearing the corresponding view.
3184         * fileread.h (File_read::Clear_views_mode): New enum.
3185         (File_read::View::is_permanent_view): New method.
3186         (File_read::clear_views): Replace bool parameter
3187         with enum; adjust all callers.
3188         * options.h (General_options): Change keep_files_mapped option;
3189         add map_whole_files.
3190         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3191         releasing the file.
3192         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3193         the file.
3194
3195 2010-03-10  David S. Miller  <davem@davemloft.net>
3196
3197         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3198
3199 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3200
3201         * icf.cc (get_section_contents): Add '@' marker after processing the
3202         merge reloc.
3203
3204 2010-03-08  Doug Kwan  <dougkwan@google.com>
3205
3206         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3207         due to a conversion warning.
3208         (Arm_relobj::update_output_local_symbol_count): Check for local
3209         symbol with unset output index.
3210
3211 2010-03-05  Ian Lance Taylor  <iant@google.com>
3212
3213         * options.h (class General_options): Add --spare-dynamic-tags.
3214         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3215         --spare-dynamic-tags.
3216
3217 2010-03-05  Ian Lance Taylor  <iant@google.com>
3218
3219         * incremental.cc: Include "libiberty.h".
3220
3221 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3222
3223         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3224         function, is_info_ member.
3225         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3226         (Versions::Versions): Update caller.
3227         (Versions::define_base_version): Likewise.
3228         (Versions::add_def): Likewise.
3229
3230 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3231
3232         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3233         (Scan::possible_function_pointer_reloc): New function.
3234         (Scan::local_reloc_may_be_function_pointer): Change to call
3235         possible_function_pointer_reloc.
3236         (Scan::global_reloc_may_be_function_pointer): Ditto.
3237         * icf.h (Icf::check_section_for_function_pointers): Change to reject
3238         relocations in ".data.rel.ro._ZTV" section.
3239         * testsuite/icf_safe_so_test.sh: Change to pass i386.
3240         * testsuite/icf_safe_so_test.cc: Ditto.
3241         * testsuite/icf_safe_test.cc: Ditto.
3242         * testsuite/icf_safe_test.sh: Ditto.
3243
3244 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3245             Ian Lance Taylor  <iant@google.com>
3246
3247         * target-reloc.h (relocate_section): Check the symbol table index
3248         for -1U before setting the local symbol index.
3249         (scan_relocatable_relocs): If copying the relocation, record that
3250         the local symbol is required.
3251         * object.h (Symbol_value::is_output_symtab_index_set): New
3252         function.
3253         (Symbol_value::may_be_discarded_from_output_symtab): New
3254         function.
3255         (Symbol_value::has_output_symtab_entry): New function.
3256         (Symbol_value::needs_output_symtab_entry): Remove.
3257         (Symbol_value::output_symtab_index): Make sure the symbol index is
3258         set.
3259         (Symbol_value::set_output_symtab_index): Make sure the symbol
3260         index is not set.  Make sure the new index is valid.
3261         (Symbol_value::set_must_have_output_symtab_entry): New function.
3262         (Symbol_value::has_output_dynsym_entry): New function.
3263         (Symbol_value::set_output_dynsym_index): Make sure the new index
3264         is valid.
3265         (Sized_relobj::set_must_have_output_symtab_entry): New function.
3266         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
3267         local symbol if permitted.
3268         (Sized_relobj::do_finalize_local_symbols): Call
3269         is_output_symtab_index_set rather than needs_output_symtab_entry.
3270         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
3271         rather than needs_output_symtab_entry.  Call
3272         has_output_dynsym_entry rather than needs_output_dynsym_entry.
3273         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
3274         is_output_symtab_index_set rather than needs_output_symtab_entry.
3275         * testsuite/discard_locals_relocatable_test.c: New file.
3276         * testsuite/discard_locals_test.sh: Test -r.
3277         * testsuite/Makefile.am (check_DATA): Add
3278         discard_locals_relocatable_test1.syms,
3279         discard_local_relocatable_test2.syms.
3280         (MOSTLYCLEANFILES): Likewise.  Also add
3281         discard_locals_relocatable_test1.lout and
3282         discard_locals_relocatable_test2.out.
3283         (discard_locals_relocatable_test1.syms): New target.
3284         (discard_locals_relocatable_test.o): New target.
3285         (discard_locals_relocatable_test1.out): New target.
3286         (discard_locals_relocatable_test2.syms): New target.
3287         (discard_locals_relocatable_test2.out): New target.
3288         (various): Add missing ../ld-new dependencies.
3289         * testsuite/Makefile.in: Rebuild.
3290
3291 2010-03-03  Nick Clifton  <nickc@redhat.com>
3292
3293         * po/fi.po: New Finnish translation.
3294
3295 2010-03-01  Doug Kwan  <dougkwan@google.com>
3296
3297         * layout.cc (Layout::Layout): Force section types of .init_array*,
3298         .preinit_array* and .fini_array* sections.
3299         * output.cc (Output_section::Input_section_sort_entry::has_priority):
3300         Fix check of return value of std::string::find.().
3301         (Output_section::Input_section_sort_compare::operator()): Remove
3302         comment about .init_array.
3303         (Output_section::Input_section_sort_init_fini_compare::operator()):
3304         New method.
3305         (Output_section::sort_attached_input_sections): Handle .init_array
3306         and .fini_array specially.
3307         * output.h (Output_section::Inut_section_sort_compare): Update
3308         comment.
3309         (Output_section::Input_section_sort_init_fini_compare): New struct.
3310
3311 2010-02-26  Doug Kwan  <dougkwan@google.com>
3312
3313         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
3314         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
3315         * testsuite/debug_msg.sh: Avoid matching source line number for
3316         use of global variable undef_int.
3317
3318 2010-02-26  Doug Kwan  <dougkwan@google.com>
3319
3320         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
3321         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
3322         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
3323         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
3324         * options.cc (General_options::General_options): Initialize member
3325         fix_v4bx_.
3326         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
3327         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
3328         and rm_no_fix_v4bx.stdout
3329         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
3330         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
3331         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
3332         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
3333         and arm_no_fix_v4bx.
3334         * Makefile.in: Regenerate.
3335         * testsuite/arm_fix_v4bx.s: New file.
3336         * testsuite/arm_fix_v4bx.sh: Ditto.
3337
3338 2010-02-24  Doug Kwan  <dougkwan@google.com>
3339
3340         * arm.cc (Target_arm::got_section): Make the .got section the first
3341         non RELRO section in the data segment.
3342         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
3343         suffixes of section names.
3344
3345 2010-02-24  Doug Kwan  <dougkwan@google.com>
3346
3347         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
3348         flags and attributes merging if an input file is a binary file.
3349         * fileread.cc (Input_file::open): Record format of original file.
3350         * fileread.h (Input_file::Format): New enum type.
3351         (Input_file::Input_file): Initialize data member format_.
3352         (Input_file::format): New method definition.
3353         (Input_file::format_):: New data member.
3354
3355 2010-02-24  Doug Kwan  <dougkwan@google.com>
3356
3357         * arm.cc (Arm_output_data_got): New class.
3358         (ARM_TCB_SIZE): New constant
3359         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
3360         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
3361         If user uses a script with a SECTIONS clause, issue only a warning
3362         for a misplaced EXIDX input section.  Otherwise, issue an error.
3363         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
3364         garbage collection.
3365         (Target_arm::got_mode_index_entry): Handle static linking.
3366         (Target_arm::Scan::local): Ditto.
3367         (Target_arm::Scan::global): Ditto.
3368         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
3369         all incorrectly implemented relocations.
3370         (Target_arm::fix_exidx_coverage): Pass layout to
3371         Arm_output_section::fix_exidx_coverage.
3372         * layout.cc (Layout::section_name_mapping): Remove trailing dots
3373         from ".ARM.exidx." and ".ARM.extab.".
3374
3375 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3376
3377         * arm.cc (Target_arm::do_finalize_sections): Create attribute
3378         section if it does not already exist.
3379         * attributes.cc (Attributes_section_data::Attributes_section_data):
3380         Don't crash if size is zero.
3381
3382 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3383             Ian Lance Taylor  <iant@google.com>
3384
3385         * gold.cc (queue_middle_tasks): If no input files were opened,
3386         exit.
3387         * workqueue.h (Task_function::Task_function): Assert that there is
3388         a blocker.
3389
3390 2010-02-22  Doug Kwan  <dougkwan@google.com>
3391
3392         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
3393         * icf.cc (get_section_contents): Cast snprintf arguments to long long
3394         types to avoid warnings due to different uint64_t implementations
3395         on different hosts.
3396
3397 2010-02-21  Doug Kwan  <dougkwan@google.com>
3398
3399         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
3400         handling of the maximum backward branch offset.
3401         (Arm_relocate_functions::thumb_branch_common): Ditto.
3402         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
3403         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
3404         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
3405         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
3406         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
3407         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
3408         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
3409         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
3410         thumb_bl_out_of_range thumb_bl_out_of_range.o,
3411         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
3412         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
3413         thumb2_bl_out_of_range.o): New rules.
3414         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
3415         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
3416         thumb2_bl_out_of_range
3417         * testsuite/Makefile.in: Regenerate.
3418         * testsuite/arm_bl_in_range.s: New file.
3419         * testsuite/arm_bl_out_of_range.s: Ditto.
3420         * testsuite/arm_branch_in_range.sh: Ditto.
3421         * testsuite/arm_branch_range.t: Ditto.
3422         * testsuite/thumb2_branch_range.t: Ditto.
3423         * testsuite/thumb_bl_in_range.s: Ditto.
3424         * testsuite/thumb_bl_out_of_range.s: Ditto.
3425         * testsuite/thumb_branch_range.t: Ditto.
3426
3427 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
3428
3429         * gc.h (gc_process_relocs): Change vectors to point to the new list.
3430         Add reloc offset information.
3431         * icf.cc (get_section_contents): Change iterators to point to the new
3432         vectors. Add reloc offset information to the contents.
3433         * icf.h (Icf::Sections_reachable_info): New typedef.
3434         (Icf::Sections_reachable_list): New typedef.
3435         (Icf::Offset_info): New typedef.
3436         (Icf::Reloc_info): New struct typedef.
3437         (Icf::Reloc_info_list): New typedef.
3438         (Icf::symbol_reloc_list): Delete method.
3439         (Icf::addend_reloc_list): Delete method.
3440         (Icf::section_reloc_list): Delete method.
3441         (Icf::reloc_info_list): New method.
3442         (Icf::reloc_info_list_): New member.
3443
3444 2010-02-19  Doug Kwan  <dougkwan@google.com>
3445
3446         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
3447         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
3448         * arm.cc (Arm_relocation_functions): New forward declaration.
3449         (Target_arm::Target_arm): Initialize new data members
3450         got_mod_index_offset_ and tls_base_symbol_defined_.
3451         (Target_arm::Relocate::relocate_tls): New method.
3452         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
3453          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
3454         New methods.
3455         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
3456         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
3457         (Target_arm::got_mod_index_offset_,
3458         Target_arm::tls_base_symbol_defined_): New data members.
3459         (Target_arm::Scan::local, Target::Scan::global,
3460         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
3461         relocations.
3462
3463 2010-02-18  Doug Kwan  <dougkwan@google.com>
3464
3465         * arm.cc (Arm_relobj::find_linked_text_section): New method.
3466         (Arm_relobj::make_exidx_input_section): Pass section index of linked
3467         text section as a parameter becuase some broken tools may not set
3468         the link in section header.
3469         (Target_arm::has_got_section): New method.
3470         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
3471         without any mapping symbol as data only.  Remove warning.
3472         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
3473         link in its section header, try to discover the link by inspecting the
3474         REL31 relocation at the beginning of the section.
3475         (Target_arm::Scan::check_non_pic): Report name of offending relocation
3476         in error message.
3477         (Target_arm::Scan::global): Treat any reference to the symbol
3478         _GLOBAL_OFFSET_TABLE_ as a GOT access.
3479
3480 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
3481
3482         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
3483         (Scan::global_reloc_may_be_function_pointer): New function.
3484         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
3485         (Scan::global_reloc_may_be_function_pointer): New function.
3486         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
3487         (Scan::global_reloc_may_be_function_pointer): New function.
3488         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
3489         (Scan::global_reloc_may_be_function_pointer): New function.
3490         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
3491         (Scan::global_reloc_may_be_function_pointer): New function.
3492         (Scan::possible_function_pointer_reloc): New function.
3493         (Target_x86_64::can_check_for_function_pointers): New function.
3494         * gc.h (gc_process_relocs): Scan relocation types to determine if
3495         function pointers were taken for targets that support it.
3496         * icf.cc (Icf::find_identical_sections): Include functions for
3497         folding in safe ICF whose pointer is not taken.
3498         * icf.h (Secn_fptr_taken_set): New typedef.
3499         (fptr_section_id_): New member.
3500         (section_has_function_pointers): New function.
3501         (set_section_has_function_pointers): New function.
3502         (check_section_for_function_pointers): New function.
3503         * options.h: Fix comment for safe ICF option.
3504         * target.h (can_check_for_function_pointers): New function.
3505         * testsuite/Makefile.am: Add icf_safe_so_test test case.
3506         Modify icf_safe_test for X86-64.
3507         * testsuite/Makefile.in: Regenerate.
3508         * testsuite/icf_safe_so_test.cc: New file.
3509         * testsuite/icf_safe_so_test.sh: New file.
3510         * testsuite/icf_safe_test.cc (kept_func_3): New function.
3511         (main): Change to take pointer to function kept_func_3.
3512         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
3513         folding is done correctly for X86-64.
3514
3515 2010-02-12  David S. Miller  <davem@davemloft.net>
3516
3517         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
3518         is_symbolless parameter.
3519         (Output_reloc<SHT_REL>::is_symbolless): New.
3520         (Output_reloc<SHT_REL>::is_symbolless_): New.
3521         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
3522         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
3523         (Output_reloc<SHT_RELA>::is_symbolless): New.
3524         (Output_data_reloc::add_global): Handle is_symbolless.
3525         (Output_data_reloc::add_global_relative): Likewise.
3526         (Output_data_reloc::add_local): Likewise.
3527         (Output_data_reloc::add_local_relative): Likewise.
3528         (Output_data_reloc::add_symbolless_global_addend): New.
3529         (Output_data_reloc::add_symbolless_local_addend): New.
3530         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
3531         is_symbolless.
3532         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
3533         instead of ->is_relative_
3534         (Output_reloc::write): Likewise.
3535         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
3536         (Output_reloc::write_rel): Simplify.
3537
3538         * sparc.cc (Target_sparc::Scan::local): Use
3539         ->add_symbolless_local_addend as needed.
3540         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
3541         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
3542         based upon relocation offset.
3543
3544 2010-02-11  Doug Kwan  <dougkwan@google.com>
3545
3546         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
3547         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
3548         beginning of function.
3549         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
3550         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
3551         parameter is_32bit in calls to should_apply_static_reloc.
3552         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
3553         (check_DATA): Add arm_abs_global.stdout.
3554         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
3555         arm_abs_global.stdout): New rules.
3556         (MOSTLLYCLEANFILES): Add arm_abs_global
3557         * Makefile.in: Regenerate.
3558         * testsuite/arm_abs_global.s: New file.
3559         * testsuite/arm_abs_global.sh: Ditto.
3560         * testsuite/arm_abs_lib.s: Ditto.
3561
3562 2010-02-11  Ian Lance Taylor  <iant@google.com>
3563
3564         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
3565         Read_relocs task.
3566         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
3567         Allocate_commons_task first.
3568         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
3569         task, rather than symtab_lock_.
3570         (Gc_process_relocs::~Gc_process_relocs): New function.
3571         (Gc_process_relocs::is_runnable): Check this_blocker_.
3572         (Gc_process_relocs::locks): Use next_blocker_ rather than
3573         blocker_.
3574         (Scan_relocs::~Scan_relocs): New function.
3575         (Scan_relocs::is_runnable): Check this_blocker_ rather than
3576         symtab_lock_.
3577         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
3578         next_blocker_.
3579         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
3580         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
3581         constructor accordingly.
3582         (class Gc_process_relocs): Likewise.
3583         (class Scan_relocs): Likewise.
3584         * common.h (class Allocate_commons_task): Remove symtab_lock_
3585         field, and corresponding constructor parameter.
3586         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
3587         symtab_lock_.
3588         (Allocate_commons_task::locks): Likewise.
3589
3590 2010-02-11  Ian Lance Taylor  <iant@google.com>
3591
3592         * gold-threads.h (class Once): Define.
3593         (class Initialize_lock): Rewrite as child of Once.
3594         * gold-threads.cc (class Once_initialize): Define.
3595         (once_pointer_control): New static variable.
3596         (once_pointer, once_arg): New static variables.
3597         (c_run_once): New static function.
3598         (Once::Once, Once::run_once, Once::internal_run): New functions.
3599         (class Initialize_lock_once): Remove.
3600         (initialize_lock_control): Remove.
3601         (initialize_lock_pointer): Remove.
3602         (initialize_lock_once): Remove.
3603         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
3604         (Initialize_lock::initialize): Rewrite.
3605         (Initialize_lock::do_run_once): New function.
3606         * archive.cc (Archive::interpret_header): Only clear name if it is
3607         not already empty.
3608         * fileread.cc: Include "gold-threads.h"
3609         (file_counts_lock): New static variable.
3610         (file_counts_initialize_lock): Likewise.
3611         (File_read::release): Only increment counts when using --stats.
3612         Use a lock around the increment.
3613         * parameters.cc (class Set_parameters_target_once): Define.
3614         (set_parameters_target_once): New static variable.
3615         (Parameters::Parameters): Move here from parameters.h.
3616         (Parameters::set_target): Rewrite.
3617         (Parameters::set_target_once): New function.
3618         (Parameters::clear_target): Move here and rewrite.
3619         * parameters.h (class Parameters): Update declarations.  Add
3620         set_parameters_target_once_ field.
3621         (Parameters::Parameters): Move to parameters.cc.
3622         (Parameters::clear_target): Likewise.
3623         * readsyms.cc (Read_symbols::do_group): Create a Start_group
3624         task.
3625         (Start_group::~Start_group): New function.
3626         (Start_group::is_runnable): New function.
3627         (Start_group::locks, Start_group::run): New functions.
3628         (Finish_group::run): Change saw_undefined to size_t.
3629         * readsyms.h (class Start_group): Define.
3630         (class Finish_group): Change saw_undefined_ field to size_t.
3631         (Finish_group::Finish_group): Remove saw_undefined and
3632         this_blocker parameters.  Change all callers.
3633         (Finish_group::set_saw_undefined): New function.
3634         (Finish_group::set_blocker): New function.
3635         * symtab.h (class Symbol_table): Change saw_undefined to return
3636         size_t.  Change saw_undefined_ field to size_t.
3637         * target-select.cc (Set_target_once::do_run_once): New function.
3638         (Target_selector::Target_selector): Initialize set_target_once_
3639         field.  Don't initialize lock_ and initialize_lock_ fields.
3640         (Target_selector::instantiate_target): Rewrite.
3641         (Target_selector::set_target): New function.
3642         * target-select.h (class Set_target_once): Define.
3643         (class Target_selector): Update declarations.  Make
3644         Set_target_once a friend.  Remove lock_ and initialize_lock_
3645         fields.  Add set_target_once_ field.
3646
3647 2010-02-10  Ian Lance Taylor  <iant@google.com>
3648
3649         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
3650         queueing any tasks.
3651         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
3652         (queue_middle_tasks): Add all blockers before queueing any tasks.
3653         (queue_final_tasks): Likewise.
3654         * token.h (Task_token::add_blockers): New function.
3655         * object.h (Input_objects::number_of_relobjs): New function.
3656
3657 2010-02-10  Ian Lance Taylor  <iant@google.com>
3658
3659         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
3660         shared, not if not position independent.
3661         * x86_64.cc (Relocate::relocate_tls): Likewise.
3662         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
3663         (tls_pie_pic_test): New target.
3664         * testsuite/Makefile.in: Rebuild.
3665
3666         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
3667         (tls_test_main_pie.o, tls_test_pie.o): New targets.
3668         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
3669         * testsuite/Makefile.in: Rebuild.
3670
3671 2010-02-09  David S. Miller  <davem@davemloft.net>
3672
3673         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
3674         R_SPARC_RELATIVE using ->add_local_relative().
3675         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
3676
3677         * output.h (Output_data_dynamic::add_section_size): New method
3678         that takes two Output_data objects.
3679         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
3680         entry param.  Handle it in initializers.
3681         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
3682         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
3683         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
3684         arg.
3685         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
3686         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
3687         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
3688         for dynrel_includes_plt.
3689         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3690         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3691         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
3692         before .rela.plt
3693         (Target_sparc::do_finalize_sections): Update to pass true for
3694         dynrel_includes_plt.
3695         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
3696         output before .rela.plt
3697         (Target_powerpc::do_finalize_sections): Update to pass true for
3698         dynrel_includes_plt when 32-bit.
3699
3700 2010-02-08  Doug Kwan  <dougkwan@google.com>
3701
3702         * arm.cc (Arm_relobj::simple_input_section_output_address): New
3703         method.
3704         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
3705         Arm_relobj::scan_section_for_cortex_a8_stubs,
3706         Arm_relobj::do_relocation_section): Instead of calling
3707         Output_section::output_address, use faster
3708         Arm_relobj::simple_input_section_output_address.
3709
3710 2010-02-08  David S. Miller  <davem@davemloft.net>
3711
3712         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
3713         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
3714         relocation helper function.
3715
3716         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
3717         just like R_SPARC_GOT{10,13,22}.
3718         (Target_sparc::Scan::local): Likewise.
3719         (Target_sparc::Relocate:relocate): Likewise.
3720
3721 2010-02-06  Ian Lance Taylor  <iant@google.com>
3722
3723         * configure.ac: Rewrite targetobjs duplicate removal code to use
3724         only shell constructs.
3725         * configure: Rebuild.
3726
3727 2010-02-05  Doug Kwan  <dougkwan@google.com>
3728
3729         PR 11247
3730         * arm.cc (Arm_relobj::section_is_scannable): New method.
3731         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
3732         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
3733
3734 2010-02-04  Doug Kwan  <dougkwan@google.com>
3735
3736         PR 11247
3737         * arm-reloc-property.cc (cstdio): Include.
3738         * configure.ac (targetobjs): Remove duplicates.
3739         * configure: Regenerate.
3740         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
3741         big and little endian version for a given address size.
3742
3743 2010-02-03  Doug Kwan  <dougkwan@google.com>
3744
3745         * arm-reloc-property.cc
3746         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3747         definition.
3748         * arm-reloc-property.h
3749         (Arm_reloc_property_table::get_implemented_static_reloc_property):
3750         New method definition.
3751         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3752         declaration.
3753         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
3754         overflow to N.
3755         (GOT_PREL): Change implemented to Y.
3756         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
3757         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
3758         (Arm_relocate_functions::movw_abs_nc): Remove method.
3759         (Arm_relocate_functions::movt_abs): Ditto.
3760         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
3761         (Arm_relocate_functions::thm_movt_abs): Ditto.
3762         (Arm_relocate_functions::movw_rel_nc): Ditto.
3763         (Arm_relocate_functions::movw_rel): Ditto.
3764         (Arm_relocate_functions::movt_rel): Ditto.
3765         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
3766         (Arm_relocate_functions:thm_movw_rel): Ditto.
3767         (Arm_relocate_functions:thm_movt_rel): Ditto.
3768         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
3769         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
3770         New method definitions.
3771         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
3772         (Arm_relocation_functions::arm_grp_ldr): Ditto.
3773         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
3774         (Arm_relocation_functions::arm_grp_ldc): Ditto.
3775         (Target_arm::Relocate::relocate): Check for non-static or
3776         unimplemented relocation code and exit early.  Change calls to
3777         Target_arm::reloc_uses_thumb_bit and
3778         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
3779         instead.  Refactor code to handle similar relocations to increase
3780         code sharing.  Remove check for unsupported relocation code in switch
3781         statement.
3782         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
3783         relocation property table to find out size.  Change error message to
3784         print out the name of a relocation code instead of the numeric value.
3785         (Target_arm::scan_reloc_for_stub): Use relocation property table
3786         instead of calling Target_arm::reloc_uses_thumb_bit().
3787
3788 2010-02-02  Doug Kwan  <dougkwan@google.com>
3789
3790         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
3791         types of relaxed input section.
3792
3793 2010-02-02  Doug Kwan  <dougkwan@google.com>
3794
3795         * Makefile.am (HFILES): Add arm-reloc-property.h.
3796         (DEFFILES): New.
3797         (TARGETSOURCES): Add arm-reloc-property.cc
3798         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
3799         (libgold_a_SOURCES): $(DEFFILES)
3800         * Makefile.in: Regenerate.
3801         * arm-reloc-property.cc: New file.
3802         * arm-reloc-property.h: New file.
3803         * arm-reloc.def: New file.
3804         * arm.cc: Update comments.
3805         (arm-reloc-property.h): New included header.
3806         (arm_reloc_property_table): New global variable.
3807         (Target_arm::do_select_as_default_target): New method definition.
3808         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
3809         arm-reloc-property to targ_extra_obj.
3810         * parameters.cc (set_parameters_target): Call
3811         Target::select_as_default_target().
3812         * target.h (Target::select_as_default_target): New method definition.
3813         (Target::do_select_as_default_target): Same.
3814
3815 2010-02-01  Doug Kwan  <dougkwan@google.com>
3816
3817         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
3818         first_output_text_section_.
3819         (Arm_exidx_fixup::first_output_text_section): New method definition.
3820         (Arm_exidx_fixup::first_output_text_section_): New data member.
3821         (Arm_exidx_fixup::process_exidx_section): Record the first text
3822         output section seen.
3823         (Arm_output_section::fix_exidx_coverage): Set correct linked section
3824         and entsize in output section header.
3825
3826 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3827
3828         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
3829         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
3830         (Arm_relocate_functions::thm_alu11): New Method.
3831         (Arm_relocate_functions::thm_pc8): New Method.
3832         (Arm_relocate_functions::thm_pc12): New Method.
3833         (Target_arm::Scan::local): Handle the relocations.
3834         (Target_arm::Scan::global): Likewise.
3835         (Target_arm::Relocate::relocate): Likewise.
3836         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3837
3838 2010-01-29  Doug Kwan  <dougkwan@google.com>
3839
3840         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
3841         of relocation types as ld.
3842
3843 2010-01-29  Doug Kwan  <dougkwan@google.com>
3844
3845         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
3846         to public.
3847         (Arm_relocate_functions::thumb_branch_common): Ditto.
3848         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
3849         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
3850         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
3851         Arm_relocate_functions::jump24): Remove.
3852         (Target_arm::Relocate::relocate): Adjust code to call
3853         Arm_relocation_functions::arm_branch_common and
3854         Arm_relocation_functions::thumb_branch_common instead of their removed
3855         wrappers.  Merge switch-cases together to reduce source code size.
3856
3857 2010-01-29  Doug Kwan  <dougkwan@google.com>
3858
3859         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
3860         output_local_symbol_count_needs_update_.
3861         (Arm_relobj::output_local_symbol_count_needs_update,
3862          Arm_relobj::set_output_local_symbol_count_needs_update,
3863          Arm_relobj::update_output_local_symbol_count): New methods.
3864         (Arm_relobj::output_local_symbol_count_needs_update_): New data
3865         member.
3866         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
3867         of pointed function as in a R_ARM_PREL31 relocation.
3868         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
3869         for output local symbol count updating.
3870         (Target_arm::do_relax): Update output local symbol counts in objects
3871         if necessary.
3872         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
3873
3874 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3875
3876         * arm.cc: Added support for the ARM relocations:
3877         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
3878         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
3879         (Arm_relocate_functions::movw_rel_nc): Renamed (was
3880         movw_prel_nc).
3881         (Arm_relocate_functions::movw_rel): New method.
3882         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
3883         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
3884         thm_movw_prel_nc).
3885         (Arm_relocate_functions::thm_movw_rel): New method.
3886         (Arm_relocate_functions::thm_movt_rel): Renamed (was
3887         thm_movt_prel).
3888         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
3889         relocations.
3890         (Target_arm::Scan::global): Likewise.
3891         (Target_arm::Relocate::relocate): Likewise.
3892         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3893         Likewise.
3894
3895 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3896
3897         * arm.cc: Added support for ARM group relocations.
3898         (Target_arm::reloc_needs_sym_origin): New method.
3899         (Arm_relocate_functions::calc_grp_kn): New method.
3900         (Arm_relocate_functions::calc_grp_residual): New method.
3901         (Arm_relocate_functions::calc_grp_gn): New method.
3902         (Arm_relocate_functions::arm_grp_alu): New Method.
3903         (Arm_relocate_functions::arm_grp_ldr): New Method.
3904         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3905         (Arm_relocate_functions::arm_grp_ldc): New Method.
3906         (Target_arm::Scan::local): Handle the ARM group relocations.
3907         (Target_arm::Scan::global): Likewise.
3908         (Target_arm::Relocate::relocate): Likewise.
3909         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3910         Likewise.
3911
3912 2010-01-26  Doug Kwan  <dougkwan@google.com>
3913
3914         * arm.cc (set): Include.
3915         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3916         pointer type.
3917         (Arm_output_section::Text_section_list): New type.
3918         (Arm_output_section::append_text_sections_to_list): New method.
3919         (Arm_output_section::fix_exidx_coverage): Ditto.
3920         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3921         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3922         Relobj::set_section_offset() instead of
3923         Sized_relobj::invalidate_section_offset().
3924         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3925         parameter for section headers. Ignore relocation sections for
3926         unallocated sections and EXIDX sections.
3927         (Target_arm::fix_exidx_coverage): New method.
3928         (Target_arm::output_section_address_less_than): New type.
3929         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3930         linked text section instead of the EXIDX section.
3931         (Arm_output_section::create_stub_group): Add an assertion to check
3932         that this is not an EXIDX output section.
3933         (Arm_output_section::append_text_sections_to_list): New method.
3934         (Arm_output_section::fix_exidx_coverage): Ditto.
3935         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3936         Arm_relobj::section_needs_reloc_stub_scanning.
3937         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3938         first pass.
3939         (Target_arm::fix_exidx_coverage): New method.
3940         * object.h (Relobj::set_output_section): New method.
3941         (Sized_relobj::invalidate_section_offset): Remove method.
3942         (Sized_relobj::do_invalidate_section_offset): Remove method.
3943         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3944
3945 2010-01-25  Doug Kwan  <dougkwan@google.com>
3946
3947         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3948         Fix warning due to signed and unsigned comparison on a 32-bit host.
3949
3950 2010-01-22  Doug Kwan  <dougkwan@google.com>
3951
3952         * arm.cc (Target_arm::do_relax): Record an output section for section
3953         offset adjustment it contains any stub table that has changed.
3954         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3955         offsets in an output section if necessary.
3956         * output.cc (Output_section::Output_section): Initialize
3957         section_offsets_need_adjustments_.
3958         (Output_section::add_input_section_for_script): Renamed to
3959         Output_section::add_simple_input_section.
3960         (Output_section::save_states): Add a comment.
3961         (Output_section::discard_states): New method defintion.
3962         (Output_section::adjust_section_offsets): Same.
3963         * output.h (Output_section::add_input_section_for_script): Renamed to
3964         Output_section::add_simple_input_section.
3965         (Output_section::discard_states): New method declaration.
3966         (Output_section::adjust_section_offsets): Same.
3967         (Output_section::section_offsets_need_adjustment,
3968         Output_section::set_section_offsets_need_adjustment): New method
3969         definitions.
3970         (Output_section::section_offsets_need_adjustment_): New data member.
3971         * script-sections.cc
3972         (Output_section_element_input::set_section_address): Adjust code for
3973         renaming of Output_section::add_input_section_for_script.
3974         (Orphan_output_section::set_section_address): Same.
3975
3976 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3977
3978         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3979         Fix_v4bx enum values .
3980         * gold/options.h (General_options): New option definitions.
3981         (General_options::fix_v4bx): New method.
3982         (General_options::Fix_v4bx): New enum.
3983         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3984         (General_options::parse_fix_v4bx_interworking): New method.
3985
3986 2010-01-22  Doug Kwan  <dougkwan@google.com>
3987
3988         * arm.cc (Arm_exidx_fixup): New class.
3989
3990 2010-01-21  Doug Kwan  <dougkwan@google.com>
3991
3992         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3993         classes.
3994         (Arm_exidx_section_offset_map): New type.
3995
3996 2010-01-21  Doug Kwan  <dougkwan@google.com>
3997
3998         * arm.cc (Arm_exidx_input_section): New class.
3999         (Arm_relobj::exidx_input_section_by_link,
4000         Arm_relobj::exidx_input_section_by_shndx,
4001         Arm_relobj::make_exidx_input_section): New methods.
4002         (read_arm_attributes_section): Remove.
4003         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
4004         information about them.
4005         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
4006         to here.
4007
4008 2010-01-20  Doug Kwan  <dougkwan@google.com>
4009
4010         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4011         Input_section_specifier to Section_id.
4012         (Target_arm::new_arm_input_section: Adjust code for change of key
4013         type.
4014         (Target_arm::find_arm_input_section): Ditto.
4015         * gc.h (object.h): Include for Section_id nand Section_id_hash.
4016         (Section_id): Remove.
4017         (Garbage_collection::Section_id_hash): Remove.
4018         * icf.h (object.h): Include for Section_id nand Section_id_hash.
4019         (Section_id): Remove.
4020         (Icf::Section_id_hash): Remove.
4021         * object.h (Section_id, Const_section_id, Section_id_hash,
4022         Const_section_id_hash): New type definitions.
4023         * output.cc (Output_section::add_relaxed_input_section): Change to
4024         use Const_section_id instead of Input_section_specifier as key type.
4025         (Output_section::add_merge_input_section): Ditto.
4026         (Output_section::build_relaxation_map): Change to use Section_id
4027         instead of Input_section_specifier as key type.
4028         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4029         Ditto.
4030         (Output_section::convert_input_sections_to_relaxed_sections): Change
4031         to use Const_section_id instead of Input_section_specifier as key type.
4032         (Output_section::find_merge_section): Ditto.
4033         (Output_section::find_relaxed_input_section): Ditto.
4034         * output.h (Input_section_specifier): Remove class.
4035         (Output_section::Output_section_data_by_input_section_map): Change
4036         key type to Const_section_id.
4037         (Output_section::Output_relaxed_input_section_by_input_section_map):
4038         Ditto.
4039         (Output_section::Relaxation_map): Change key type to Section_id.
4040
4041 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4042
4043         * gold/arm.cc: Added support for R_ARM_V4BX relocation
4044         (class Arm_v4bx_stub): New class.
4045         (DEF_STUBS): Updated definition to support v4_veneer_bx.
4046         (Stub_factory::make_arm_v4bx_stub): New method.
4047         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
4048         (Stub_table::empty): Handle v4bx stubs.
4049         (Stub_table::add_arm_v4bx_stub): New method.
4050         (Stub_table::find_arm_v4bx_stub): New method.
4051         (Arm_relocate_functions::v4bx): New method.
4052         (Target_arm::fix_v4bx): New method.
4053         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4054         (Stub_table::relocate_stubs): Likewise.
4055         (Stub_table::do_write): Likewise.
4056         (Stub_table::update_data_size_and_addralign): Likewise.
4057         (Stub_table::finalize_stubs):  Likewise.
4058         (Target_arm::Scan::local): Likewise.
4059         (Target_arm::Scan::global): Likewise.
4060         (Target_arm::do_finalize_sections): Likewise.
4061         (Target_arm::Relocate::relocate): Likewise.
4062         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4063         Likewise.
4064         (Target_arm::scan_reloc_for_stub): Likewise.
4065         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4066
4067 2010-01-19  Ian Lance Taylor  <iant@google.com>
4068
4069         * output.cc (Output_section_headers::do_sized_write): Write large
4070         segment count to sh_info field.
4071         (Output_file_header::do_sized_write): For large segment count,
4072         write PN_XNUM to e_phnum field.
4073
4074 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4075
4076         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4077         (Arm_relocate_functions::thm_jump8): New function.
4078         (Arm_relocate_functions::thm_jump11): New function.
4079         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4080         R_ARM_THM_JUMP11.
4081         (Target_arm::Scan::global): Likewise.
4082         (Target_arm::Relocate::relocate): Likewise.
4083         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4084         Likewise.
4085
4086 2010-01-14  Doug Kwan  <dougkwan@google.com>
4087
4088         * arm.cc (map, utility): Include headers.
4089         (Target_arm::apply_cortex_a8_workaround): New method.
4090         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4091         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4092         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4093         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4094         the --[no-]fix-cortex-a8 command line options.
4095         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4096         (Target_arm::relocate_stub): Use addend in instruction template.
4097         * options.h (DEFINE_bool): Set the user-set flag.
4098         (General_options): Add --[no-]-fix-cortex options.
4099         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4100         : Update fast look-up map after conversion.
4101
4102 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4103
4104         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4105         in the first pass of do_layout.
4106
4107 2010-01-13  Doug Kwan  <dougkwan@google.com>
4108
4109         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4110         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4111         apparent compiler problem of not folding static constant integral
4112         data members of elfcpp::Elf_sizes<32>.
4113
4114 2010-01-13  Doug Kwan  <dougkwan@google.com>
4115
4116         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4117         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4118         Arm_relobj::scan_section_for_cortex_a8_erratum,
4119         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4120         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4121         sections to scan for relocation stubs into a new method
4122         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4123         relocation and Cortex-A8 stub scanning.
4124         (Target_arm::do_relax): Force stubs to be after stubbed sections
4125         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4126         the beginning of a new relaxation pass.  Update a comment.
4127         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4128
4129 2010-01-12  Ian Lance Taylor  <iant@google.com>
4130
4131         * target-reloc.h (visibility_error): New inline function.
4132         (relocate_section): Call visibility_error.
4133         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4134         (MOSTLYCLEANFILES): Likewise.
4135         (protected_4_pic.o, protected_3.err): New targets.
4136         * testsuite/protected_4.cc: New file.
4137
4138 2010-01-12  Doug Kwan  <dougkwan@google.com>
4139
4140         * arm.cc (Cortex_a8_reloc): New class.
4141         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4142         and cortex_a8_relocs_info_.
4143         (Target_arm::fix_cortex_a8): New method definition.
4144         (Target_arm::Cortex_a8_relocs_info): New type.
4145         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4146         New data member declarations.
4147         (Target_arm::scan_reloc_for_stub): Record information about
4148         relocations for THUMB branches that might be exempted from the
4149         Cortex-A8 workaround.
4150         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4151         at the beginning of a relaxation pass.
4152
4153 2010-01-12  Doug Kwan  <dougkwan@google.com>
4154
4155         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4156         (Arm_relobj::Mapping_symbol_position,
4157          Arm_reloj::Mapping_symbol_position_less,
4158          Arm_relobj::Mapping_symbols_info): New types.
4159         (Target_arm::is_mapping_symbol_name): New method definition.
4160         (Arm_relobj::do_count_local_symbols): Save information about mapping
4161         symbols.
4162
4163 2010-01-11  Doug Kwan  <dougkwan@google.com>
4164
4165         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4166         Arm_relocate_functions::thumb32_branch_upper,
4167         Arm_relocate_functions::thumb32_branch_lower,
4168         Arm_relocate_functions::thumb32_cond_branch_offset,
4169         Arm_relocate_functions::thumb32_cond_branch_upper,
4170         Arm_relocate_functions::thumb32_cond_branch_lower,
4171         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4172         branch offset encoding.
4173         (Arm_relocate_functions::thumb_branch_common): Use new branch
4174         offset encoding methods to avoid code duplication.
4175         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4176         (Stub_addend_reader::operator()): Use new branch encoding method
4177         to avoid code duplication.
4178
4179 2010-01-11  Doug Kwan  <dougkwan@google.com>
4180
4181         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4182         (Target_arm::do_finalize_sections): Define special EXIDX section
4183         symbols only if referenced.
4184         * gc.h (Garbage_collection::add_reference): New method.
4185         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4186         code duplication.
4187
4188 2010-01-11  Ian Lance Taylor  <iant@google.com>
4189
4190         * script.cc (Version_script_info::build_expression_list_lookup):
4191         Change complaing about duplicate wildcard match from error to
4192         warning.
4193
4194         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4195         of 2009-12-30.
4196         (Version_script_info::Version_script_info): Initialize globs_,
4197         default_version_, default_is_global_, and exact_.  Don't
4198         initialize globals_ or locals_.
4199         (Version_script_info::build_lookup_tables): Build local symbols
4200         first.
4201         (Version_script_info::unquote): New function.
4202         (Version_script_info::add_exact_match): New function.
4203         (Version_script_info::build_expression_list_lookup): Remove lookup
4204         parameter.  Add is_global parameter.  Change all callers.  Handle
4205         wildcard pattern specially.  Unquote pattern.  Call
4206         add_exact_match.
4207         (Version_script_info::get_name_to_match): New function.
4208         (Version_script_info::get_symbol_version): New function.
4209         (Version_script_info::get_symbol_version_helper): Remove.
4210         (Version_script_info::check_unmatched_names): Call unquote.
4211         * script.h (class Version_script_info): Change get_symbol_version
4212         to be non-inline and add is_global parameter; change all callers.
4213         Rewrite symbol_is_local.  Update declarations.  Define struct
4214         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4215         Remove globals_ and locals_ members.  Add exact_, globs_,
4216         default_version_, is_global_.
4217         (Version_script_info::Glob): Remove pattern, add expression and
4218         is_global.  Update constructor.  Change all callers.
4219         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4220         default version.
4221         (Versions::symbol_section_contents): If a symbol is undefined, or
4222         defined in a dynamic object, set the version index to
4223         VER_NDX_LOCAL.
4224         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4225         symbol_is_local.
4226         (Symbol_table::add_from_pluginobj): Likewise.
4227         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4228
4229 2010-01-11  Doug Kwan  <dougkwan@google.com>
4230
4231         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4232         (incremental_dump_LDADD): Add linking option for libintl.
4233         * Makefile.in: Regenerate.
4234
4235 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
4236
4237         PR gold/11144
4238         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
4239         instead of -Ds.
4240         * testsuite/Makefile.in: Regenerated.
4241
4242 2010-01-10  Doug Kwan  <dougkwan@google.com>
4243
4244         * options.h (DEFINE_var): Use parentheses around argument varname__
4245         in macro body to avoid any unintended subsequent substitutions.
4246
4247 2010-01-10  Ian Lance Taylor  <iant@google.com>
4248
4249         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
4250         candidates before doing symbol resolution.
4251
4252         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
4253         ODR candidates if only one is weak.
4254
4255 2010-01-08  Ian Lance Taylor  <iant@google.com>
4256
4257         * script.cc (Version_script_info::build_expression_list_lookup):
4258         Don't warn about ambiguous version, just record the ambiguity.
4259         (Version_script_info::get_symbol_version_helper): Give error if
4260         version is ambiguous.
4261
4262 2010-01-08  Doug Kwan  <dougkwan@google.com>
4263
4264         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
4265           prev_data_size_ and prev_addralign_.  Remove initializer for
4266           deleted data member has_been_changed_.
4267           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
4268           to determine if the table is empty.
4269           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
4270           Remove.
4271           (Stub_table::add_reloc_stub): Define method in class definition
4272           instead of just declaring it there.
4273           (Stub_table::add_cortex_a8_stub): New method definition.
4274           (Stub_table::update_data_size_and_addralign): Ditto.
4275           (Stub_table::finalize_stubs): Ditto.
4276           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
4277           (Stub_table::do_addralign_): Return address alignment in the
4278           (Stub_table::do_reset_address_and_file_offset): Define method in
4279           class definition instead of declaring it there.  Set current data
4280           size to be the data size of the previous pass.
4281           (Stub_table::set_final_data_size): Use current data size as the
4282           final data size.
4283           (Stub_table::relocate_stub): Change parameter type of stub from
4284           Reloc_stub pointer to Stub pointer.
4285           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
4286           (Stub_table::Cortex_a8_stub_list): New typedef.
4287           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
4288            Stub_table::prev_addralign_): New data member.
4289           (Arm_relobj::Arm_relobj): Initialize data member
4290           section_has_cortex_a8_workaround_.
4291           (Arm_relobj::section_has_cortex_a8_workaround,
4292            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
4293            definitions.
4294           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
4295           declarations.
4296           (Target_arm::relocate_stub): Change parameter type of stub from
4297           Reloc_stub pointer to Stub pointer.
4298           (Insn_template::size, Insn_template::alignment): Handle
4299           THUMB16_SPECIAL_TYPE.
4300           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
4301            Stub_table::update_data_size_and_addralign,
4302            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
4303           definitions.
4304           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
4305           (Stub_table::do_write): Ditto.
4306           (Target_arm::do_relax): Adjust code for changes in Stub_table.
4307
4308 2010-01-08  Ian Lance Taylor  <iant@google.com>
4309
4310         PR 11108
4311         * symtab.h (class Symbol): Remove fields is_target_special_ and
4312         has_plt_offset_.  Add field is_defined_in_discarded_section_.
4313         (Symbol::is_defined_in_discarded_section): New function.
4314         (Symbol::set_is_defined_in_discarded_section): New function.
4315         (Symbol::has_plt_offset): Rewrite.
4316         (Symbol::set_plt_offset): Verify that new offset is not -1U.
4317         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
4318         Don't initialize is_target_special_ or has_plt_offset_.
4319         Initialize is_defined_in_discarded_section_.
4320         (Symbol_table::add_from_relobj): If appropriate, set
4321         is_defined_in_discarded_section.
4322         * resolve.cc (Symbol::override_base_with_special): Don't test
4323         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
4324         * target-reloc.h (relocate_section): Do special handling for
4325         symbols defined in discarded sections for global symbols as well
4326         as local symbols.
4327
4328 2010-01-08  Ian Lance Taylor  <iant@google.com>
4329
4330         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
4331         the SHT_SYMTAB case.
4332
4333 2010-01-08  Ian Lance Taylor  <iant@google.com>
4334
4335         * object.cc (Sized_relobj::do_layout): Don't get confused if
4336         layout_eh_frame returns NULL.
4337
4338 2010-01-08  Ian Lance Taylor  <iant@google.com>
4339
4340         PR 11084
4341         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
4342         dynamic symbol table, use the normal symbol table.
4343         (Sized_dynobj::do_read_symbols): Remove assertion about type of
4344         symbol table.
4345
4346 2010-01-08  Ian Lance Taylor  <iant@google.com>
4347
4348         PR 11072
4349         * layout.cc (Layout::include_section): Remove .gnu_debuglink
4350         sections.
4351
4352 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
4353
4354         * version.cc (print_version): Change to "Copyright 2010".
4355
4356 2010-01-08  Ian Lance Taylor  <iant@google.com>
4357
4358         PR 10287
4359         PR 11063
4360         * i386.cc (class Target_i386): Change return type of plt_section
4361         to be non-const.
4362         (class Output_data_plt_i386): Add tls_desc_rel_ field.
4363         (Output_data_plt_i386::Output_data_plt_i386): Initialize
4364         tls_desc_rel_ field.
4365         (Output_data_plt_i386::rel_tls_desc): New function.
4366         (Target_i386::rel_tls_desc_section): New function.
4367         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
4368         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
4369         R_386_TLS_DESC reloc in rel_tls_desc_section.
4370         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
4371         Define struct Tlsdesc_info.
4372         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
4373         (Target_x86_64::do_reloc_symbol_index): New function.
4374         (Target_x86_64::add_tlsdesc_info): New function.
4375         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
4376         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
4377         tlsdesc_rel_ field.
4378         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
4379         all callers.
4380         (Output_data_plt_x86_64::rela_tlsdesc): New function.
4381         (Target_x86_64::rela_tlsdesc_section): New function.
4382         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
4383         handling.
4384         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
4385         (Target_x86_64::do_reloc_addend): New function.
4386         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
4387         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
4388         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
4389         (Output_reloc::type): New function.
4390         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
4391         (Output_reloc::is_target_specific): New function.
4392         (Output_reloc::target_arg): New function.
4393         (class Output_reloc) [SHT_RELA]: Add four new constructors for
4394         absolute relocs and target specific relocs.
4395         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
4396         add_target_specific.
4397         (class Output_data_reloc) [SHT_RELA]: Likewise.
4398         * output.cc (Output_reloc::Output_reloc): Add four new versions
4399         for absolute relocs and target specific relocs.
4400         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
4401         (Output_reloc::get_symbol_index): Likewise.
4402         (Output_reloc::local_section_offset): Check that local_sym_index_
4403         is not TARGET_CODE or 0.
4404         (Output_reloc::symbol_value): Likewise.
4405         (Output_reloc::write) [SHT_RELA]: Call target for target specific
4406         reloc.
4407         * target.h (class Target): Add reloc_symbol_index and reloc_addend
4408         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
4409         functions.
4410         * layout.cc (add_target_dynamic_tags): Use output section for
4411         DT_PLTRELSZ and DT_JMPREL.
4412
4413 2010-01-07  Ian Lance Taylor  <iant@google.com>
4414
4415         PR 11061
4416         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
4417         function.
4418         (class Output_data_reloc_generic): Define.
4419         (class Output_data_reloc_base): Change base class to
4420         Output_data_reloc_generic.  Change add() method to call
4421         bump_relative_reloc_count for a relative reloc.  Remove
4422         sort_relocs_ field.
4423         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
4424         to sort_relocs().
4425         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
4426         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
4427         appropriate.
4428         * layout.h (class Layout): Update declaration.
4429
4430 2010-01-07  Ian Lance Taylor  <iant@google.com>
4431
4432         * output.h (class Output_data): Add const version of
4433         output_section and do_output_section.
4434         (class Output_section_data): Add const version of
4435         do_output_section.
4436         (class Output_section): Likewise.
4437         * layout.cc (Layout::add_target_dynamic_tags): New function.
4438         * layout.h (class Layout): Update declarations.
4439         * arm.cc (Target_arm::do_finalize_sections): Use
4440         add_target_dynamic_tags.
4441         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4442         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4443         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4444         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4445
4446 2010-01-07  Ian Lance Taylor  <iant@google.com>
4447
4448         PR 11042
4449         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
4450         object as needed.
4451
4452 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
4453             Ian Lance Taylor  <iant@google.com>
4454
4455         PR 11019
4456         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
4457         Xindex::read_symtab_xindex.
4458
4459 2010-01-07  Doug Kwan  <dougkwan@google.com>
4460
4461         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
4462         (Insn_template::thumb16_bcond_insn): New method declaration.
4463         (Insn_template): Fix spelling.
4464         (Stub::thumb16_special): New method declaration.
4465         (Stub::do_write): Define virtual method which was previously pure
4466         virtual.
4467         (Stub::do_thumb16_special): New method declaration.
4468         (Stub::do_fixed_endian_write): New template member.
4469         (Reloc_stub::do_write): Remove.
4470         (Reloc_stub::do_fixed_endian_write): Remove.
4471         (Cortex_a8_stub): New class definition.
4472         (Stub_factory::make_cortex_a8_stub): New method definition.
4473         (Stub_factory::Stub_factory): Add missing static storage class
4474         qualifier for elf32_arm_stub_a8_veneer_blx.
4475
4476 2010-01-07  Ian Lance Taylor  <iant@google.com>
4477
4478         PR 10980
4479         * options.h (class General_options): Add --warn-unresolved-symbols
4480         and --error-unresolved-symbols.
4481         * errors.cc (Errors::undefined_symbol): Implement
4482         --warn-unresolved-symbols.
4483
4484         * options.h (class General_options): Add -z text and -z textoff.
4485         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
4486
4487 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
4488
4489         * gc.h (Garbage_collection::Cident_section_map): New typedef.
4490         (Garbage_collection::cident_sections): New function.
4491         (Garbage_collection::add_cident_section): New function.
4492         (Garbage_collection::cident_sections_): New member.
4493         (gc_process_relocs): Add references to sections whose names are C
4494         identifiers.
4495         * gold.h (cident_section_start_prefix): New constant.
4496         (cident_section_stop_prefix): New constant.
4497         (is_cident): New function.
4498         * layout.cc (Layout::define_section_symbols): Replace string constants
4499         with the newly defined constants.
4500         * object.cc (Sized_relobj::do_layout): Track sections whose names are
4501         C identifiers.
4502         * testsuite/Makefile.am: Add gc_orphan_section_test.
4503         * testsuite/Makefile.in: Regenerate.
4504         * testsuite/gc_orphan_section_test.cc: New file.
4505         * testsuite/gc_orphan_section_test.sh: New file.
4506
4507 2010-01-06  Ian Lance Taylor  <iant@google.com>
4508
4509         PR 10980
4510         * options.h (class General_options): Add --warn-shared-textrel.
4511         * layout.cc (Layout::finish_dynamic_section): Implement
4512         --warn-shared-textrel.
4513
4514         PR 10980
4515         * options.h (class General_options): Add --warn-multiple-gp.
4516
4517 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4518
4519         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
4520         $(THREADSLIB) and $(LIBDL).
4521         * Makefile.in: Rebuild.
4522
4523 2010-01-06  Ian Lance Taylor  <iant@google.com>
4524
4525         PR 10980
4526         * options.cc (General_options::parse_section_start): New function.
4527         (General_options::section_start): New function.
4528         (General_options::General_options): Initialize all members.
4529         * options.h: Include <map>
4530         (class General_options): Add --section-start.  Add section_starts_
4531         member.
4532         * layout.cc (Layout::attach_allocated_section_to_segment): If
4533         --section-start was used, set the address of the segment.  Remove
4534         local sort_sections.
4535         (Layout::relaxation_loop_body): If the address of the load segment
4536         has been set by --section-start, don't use it.
4537         * output.h (Output_segment::update_flags_for_output_section): New
4538         function.
4539         * output.cc (Output_segment::add_output_section): Call
4540         update_flags_for_output_section.
4541
4542 2010-01-05  Ian Lance Taylor  <iant@google.com>
4543
4544         PR 10980
4545         * options.h (class General_options): Add --undefined-version.
4546         * script.cc (struct Version_expression): Add was_matched_by_symbol
4547         field.
4548         (Version_script_info::matched_symbol): New function.
4549         (Version_script_info::get_symbol_version_helper): Call
4550         matched_symbol.
4551         (Version_script_info::check_unmatched_names): New function.
4552         * script.h (class Version_script_info): Update declarations.
4553         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
4554
4555         * options.h (class General_options): Use DEFINE_bool_alias for
4556         allow_multiple_definition.
4557         * resolve.cc (Symbol_table::should_override): Don't test
4558         allow_multiple_definition.
4559
4560         PR 10980
4561         * options.h (class General_options): Add --cref.
4562         * main.cc (main): Print cref table if --cref.  Don't close mapfile
4563         until after printing cref table.
4564         * cref.cc: Include "symtab.h".
4565         (class Cref_inputs): Define Cref_table_compare and Cref_table.
4566         (Cref_table_compare::operator()): New function.
4567         (Cref_inputs::gather_cref): New function.
4568         (filecol): New static const.
4569         (Cref_inputs::print_cref): New function.
4570         (Cref::print_cref): New function.
4571         * cref.h: Include <cstdio>.
4572         (class Cref): Update declarations.
4573         * mapfile.h (Mapfile::file): New function.
4574         * object.h (class Object): Define Symbols.  Declare virtual
4575         do_get_global_symbols.
4576         (Object::get_global_symbols): New function.
4577         * object.cc (Input_objects::add_object): Pass object to cref_ if
4578         --cref.
4579         (Input_objects::archive_start): Likewise.
4580         (Input_objects::archive_stop): Likewise.
4581         (Input_objects::print_cref): New function.
4582         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
4583         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
4584         --cref.
4585         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
4586         function.
4587         * plugin.h (class Sized_pluginobj): Update declarations.
4588
4589 2010-01-05  Ian Lance Taylor  <iant@google.com>
4590
4591         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
4592         to is_default_version.  Rename insdef to insdefault.
4593         (Symbol_table::add_from_relobj): Rename def to is_default_version
4594         and local to is_forced_local.
4595         (Symbol_table::add_from_pluginobj): Likewise.
4596         (Symbol_table::add_from_dynobj): Likewise.
4597         (Symbol_table::define_special_symbol): Rename insdef to
4598         insdefault.
4599
4600 2010-01-04  Ian Lance Taylor  <iant@google.com>
4601
4602         PR 10980
4603         * options.h (class General_options): Add
4604         --allow-multiple-definition and -z muldefs.
4605         * resolve.cc (Symbol_table::should_override): Don't warn about a
4606         multiple symbol definition if --allow-multiple-definition or -z
4607         muldefs.
4608
4609         PR 10980
4610         * options.h (class General_options): Add --add-needed and
4611         --copy-dt-needed-entries.  Tweak --as-needed help entry.
4612         * object.cc (Input_objects::check_dynamic_dependencies): Give an
4613         error if --copy-dt-needed-entries aka --add-needed is used and
4614         would cause a change in behaviour.
4615
4616         PR 10980
4617         * options.h (class General_options): Add -G as a short version of
4618         --shared.  Add no-op options -assert, -g, and -i.
4619
4620 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
4621
4622         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
4623         check for .text or .gnu.linkonce.t sections.
4624         * icf.cc (Icf::find_identical_sections): Ditto.
4625         Change the detection for mangled function name within the section
4626         name.
4627         * icf.h (is_section_foldable_candidate): New function.
4628
4629 2009-12-30  Ian Lance Taylor  <iant@google.com>
4630
4631         PR 10980
4632         * options.h (class General_options): Permit two dashes with
4633         --retain-symbols-file.
4634
4635 2009-12-30  Ian Lance Taylor  <iant@google.com>
4636
4637         PR 10979
4638         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
4639         don't put the file header and segment headers in the text
4640         segment.
4641
4642         PR 10979
4643         * common.cc (Sort_commons::operator()): Stabilize sort when both
4644         entries are NULL.
4645         (Symbol_table::do_allocate_commons_list): When allocating common
4646         symbols, skip a symbol which is no longer common.
4647         * symtab.h (Symbol::is_common): Test whether the symbol comes from
4648         an object before checking its type.
4649         * testsuite/common_test_2.c: New file.
4650         * testsuite/common_test_3.c: New file.
4651         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
4652         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
4653         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
4654         (common_test_2_pic.o, common_test_2.so): New targets.
4655         (common_test_3_pic.o, common_test_3.so): New targets.
4656         * testsuite/Makefile.in: Rebuild.
4657
4658         PR 10979
4659         * script.cc (read_input_script): If we see a new SECTIONS clause,
4660         and we have added an input section, give an error.
4661         * layout.h (class Layout): Add have_added_input_section function.
4662         Add have_added_input_section_ field.
4663         * layout.cc (Layout::Layout): Initialize
4664         have_added_input_section_.
4665         (Layout::layout): Set have_added_input_section_.
4666         (Layout::layout_eh_frame): Likewise.
4667
4668 2009-12-30  Ian Lance Taylor  <iant@google.com>
4669
4670         PR 10931
4671         * options.h (class General_options): Add --sort-common option.
4672         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
4673         * common.cc (Sort_common): Add sort_order parameter to
4674         constructor.  Add sort_order_ field.
4675         (Sort_commons::operator): Check sort_order_.
4676         (Symbol_table::allocate_commons): Determine the sort order.
4677         (Symbol_table::do_allocate_commons): Add sort_order parameter.
4678         Change all callers.
4679         (Symbol_table::do_allocate_commons_list): Likewise.
4680
4681 2009-12-30  Ian Lance Taylor  <iant@google.com>
4682
4683         PR 10916
4684         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
4685         symbols from this object, don't change the visibility of an
4686         undefined symbol.
4687         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
4688
4689 2009-12-30  Ian Lance Taylor  <iant@google.com>
4690
4691         PR 10861
4692         * script.h (class Version_script_info): Define Language enum.
4693         Update declarations.  Define Glob, Exact, and Lookup types.  Add
4694         new fields globals_, locals_, and is_finalized_.
4695         * script.cc: Various formatting fixes.
4696         (class Parser_closure): Change language_stack_ from a vector of
4697         std::string to one of Version_script_info::Language.  Adjust all
4698         uses accordingly.
4699         (class Lazy_demangler): Remove.
4700         (struct Version_expression): Change language from std::string to
4701         Version_script_info::Language.
4702         (Version_script_info::Version_script_info): New function.
4703         (Version_script_info::~Version_script_info): Don't call clear.
4704         (Version_script_info::finalize): New function.
4705         (Version_script_info::build_lookup_tables): New function.
4706         (Version_script_info::build_expression_list_lookup): New
4707         function.
4708         (Version_script_info::get_symbol_version_helper): Rewrite to use
4709         lookup tables.
4710         (Version_script_info::print_expression_list): Adjust to use
4711         Version_script_info::Language.
4712         (script_push_lex_into_version_mode): Check that the version script
4713         has not been finalized.
4714         (version_script_push_lang): Change language string to
4715         Version_script_info::Language.
4716         * options.cc (Command_line::version_script): New function.
4717         * options.h (class General_options): Add finalize_dynamic_list
4718         function.  Change version_script from declaration to definition.
4719         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
4720         * testsuite/version_script.map: Remove duplicate def of foo.
4721         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
4722         version_script.map.
4723         * testsuite/Makefile.in: Rebuild.
4724
4725 2009-12-30  Ian Lance Taylor  <iant@google.com>
4726
4727         PR 10843
4728         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
4729         if the input symbol index is 0, make the output symbol index 0.
4730
4731 2009-12-30  Ian Lance Taylor  <iant@google.com>
4732
4733         PR 10670
4734         * options.h (class General_options): Add -x/--discard-all.
4735         * object.cc (Sized_relobj::do_count_local_symbols): Handle
4736         --discard-all.  If the local symbol needs a dynamic entry, check
4737         that before handling --discard-locals.
4738
4739 2009-12-30  Ian Lance Taylor  <iant@google.com>
4740
4741         PR 10450
4742         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
4743         flags to PF_R.
4744         (Output_segment::add_output_section): Don't change the flags if
4745         the type is PT_TLS.
4746
4747         PR 10450
4748         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
4749         GNU hash table if they need a dynamic value.  Otherwise, don't add
4750         them if they are defined in a dynamic object or are forced local.
4751
4752 2009-12-29  Ian Lance Taylor  <iant@google.com>
4753
4754         PR 10450
4755         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
4756         .gnu.hash table for a 32-bit target.
4757
4758         PR 10450
4759         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
4760         regular and a dynamic object only needs a dynamic symbol table
4761         entry if it is externally visible.
4762
4763         PR 10450
4764         * i386.cc (class Target_i386): Initialize global_offset_table_ in
4765         constructor.  Add global_offset_table_ field.
4766         (Target_i386::got_section): Set global_offset_table_.
4767         (Target_i386::do_finalize_sections): Set global_offset_table_
4768         size.
4769         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
4770         in constructor.  Add global_offset_table_ field.
4771         (Target_x86_64::got_section): Set global_offset_table_.
4772         (Target_x86_64::do_finalize_sections): Set global_offset_table_
4773         size.
4774
4775         * layout.cc (Layout::Layout): Initialize increase_relro_.
4776         (Layout::get_output_section): Add is_relro, is_last_relro, and
4777         is_first_non_relro parameters.  Change all callers.
4778         (Layout::choose_output_section): Likewise.
4779         (Layout::add_output_section_data): Likewise.
4780         (Layout::make_output_section): Likewise.
4781         (Layout::set_segment_offsets): Clear increase_relro when using a
4782         linker script.
4783         * layout.h (class Layout): Add increase_relro method.  Add
4784         increase_relro_ field.  Update declarations.
4785         * output.cc (Output_section::Output_section): Initialize
4786         is_last_relro_ and is_first_non_relro_.
4787         (Output_segment::add_output_section): Group relro sections is
4788         do_sort is true.  Handle is_last_relro and is_first_non_relro.
4789         (Output_segment::maximum_alignment): Remove relro handling.
4790         (Output_segment::set_section_addresses): Add increase_relro
4791         parameter.  Change all callers.  Add initial alignment to align
4792         relro sections on separate page.  Remove old relro handling.
4793         (Output_segment::set_section_list_addresses): Remove in_relro
4794         parameter.  Change all callers.
4795         (Output_segment::set_offset): Add increase parameter.  Change all
4796         callers.  Remove old relro handling.
4797         * output.h (class Output_section): Add new methods: is_last_relro,
4798         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
4799         Add is_last_relro_ and is_first_non_relro_ fields.
4800         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
4801         Create separate .got.plt section.  Call increase_relro.
4802         * x86_64.cc (Target_x86_64::got_section): Likewise.
4803         * testsuite/relro_script_test.t: Add .got.plt.
4804
4805         PR 10450
4806         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
4807         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
4808         (Layout::finalize): Call set_dynamic_symbol_size.
4809         (Layout::set_dynamic_symbol_size): New function.
4810         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
4811         set_dynamic_symbol_size.
4812
4813         PR 10450
4814         * output.h (class Output_section): Add is_entsize_zero_ field.
4815         * output.cc (Output_section::Output_section): Initialize
4816         is_entsize_zero_.
4817         (Output_section::set_entsize): If two different entsizes are
4818         requested, force it to zero.
4819         (Output_section::add_input_section): Set flags for .debug_str
4820         before updating section flags.  Set entsize.
4821         (Output_section::update_flags_for_input_section): Set SHF_MERGE
4822         and SHF_STRING if all input sections have those flags.
4823
4824 2009-12-29   Rafael Espindola  <espindola@google.com>
4825
4826         * main.cc (main): Fix the sys time reporting.
4827         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
4828         reporting.
4829
4830 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
4831
4832         * options.cc (General_options::parse_version): Allow -v to exit
4833         without an error if there is nothing to link.
4834
4835 2009-12-29  Ian Lance Taylor  <iant@google.com>
4836
4837         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
4838         using a version of gcc before 4.1.
4839         * configure: Rebuild.
4840
4841 2009-12-28  Chris Demetriou  <cgd@google.com>
4842
4843         * attributes.cc (Output_attributes_section_data::do_write): Use
4844         std::vector::front rather than std::vector::data.
4845
4846 2009-12-28  Ian Lance Taylor  <iant@google.com>
4847
4848         * symtab.h (class Symbol_table): Add enum Defined.
4849         * resolve.cc (Symbol_table::should_override): Add defined
4850         parameter.  Change all callers.  Test whether object is NULL
4851         before calling a method on it.
4852         (Symbol_table::report_resolve_problem): Add defined parameter.
4853         Change all callers.
4854         (Symbol_table::should_override_with_special): Likewise.
4855         * symtab.cc (Symbol_table::define_in_output_data): Add defined
4856         parameter.  Change all callers.
4857         (Symbol_table::do_define_in_output_data): Likewise.
4858         (Symbol_table::define_in_output_segment): Likewise.
4859         (Symbol_table::do_define_in_output_segment): Likewise.
4860         (Symbol_table::define_as_constant): Likewise.
4861         (Symbol_table::do_define_as_constant): Likewise.
4862         * script.h (class Symbol_assignment): Add is_defsym parameter to
4863         constructor; change all callers.
4864         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
4865         parameter.  Change all callers.  Add is_defsym_ field.
4866         (class Parser_closure): Add parsing_defsym parameter to
4867         constructor; change all callers.  Add parsing_defsym accessor
4868         function.  Add parsing_defsym_ field.
4869
4870 2009-12-28  Ian Lance Taylor  <iant@google.com>
4871
4872         * gold.cc (queue_middle_tasks): Fix formatting.
4873         * object.cc (Relobj::is_section_name_included): Likewise.
4874
4875 2009-12-23  Ian Lance Taylor  <iant@google.com>
4876
4877         * i386.cc (Target_i386::do_calls_non_split): Recognize
4878         -fsplit-stack prologue for a function with a static chain.
4879         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
4880         -fsplit-stack prologue when using %r11.
4881
4882 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
4883
4884         * options.cc (General_options::parse_version): Make -v continue and do
4885         the link like GNU ld does.
4886
4887 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
4888
4889         * Makefile.am (CCFILES): Add timer.cc.
4890         (HFILES): Add timer.h.
4891         * configure.ac: Check for sysconf and times.
4892         * main.cc: include timer.h.
4893         (main): Use Timer instead of get_run_time.
4894         * timer.cc: New.
4895         * timer.h: New.
4896         * workqueue.cc: include timer.h.
4897         (Workqueue::find_and_run_task):
4898         Report user, sys and wall time.
4899         * Makefile.in: Regenerate.
4900         * config.in: Regenerate.
4901         * configure: Regenerate.
4902
4903 2009-12-16  Doug Kwan  <dougkwan@google.com>
4904
4905         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4906         sections.
4907         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4908         relaxed input sections.
4909         * output.cc (Output_section::find_relaxed_input_section): Change
4910         return type to Output_relaxed_input_section pointer.  Adjust code
4911         for new type of relaxed_input_section_map_.
4912         * output.h (Output_section::find_relaxed_input_section): Change
4913         return type to Output_relaxed_input_section pointer.
4914         (Output_section::Output_relaxed_input_section_by_input_section_map):
4915         New type.
4916         (Output_section::relaxed_input_section_map_): Change type to
4917         Output_section::Output_relaxed_input_section_by_input_section_map.
4918         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4919         input section.
4920
4921 2009-12-15  Ian Lance Taylor  <iant@google.com>
4922
4923         * layout.cc (Layout::create_shstrtab): Only write out after input
4924         sections if we are compressing debug sections.
4925
4926 2009-12-15  Ian Lance Taylor  <iant@google.com>
4927
4928         * archive.cc (Archive::add_symbols): Only look up a symbol without
4929         a version if there is, in fact, a version.
4930
4931 2009-12-14  Ian Lance Taylor  <iant@google.com>
4932
4933         Revert -Wshadow changes, all changes from:
4934         2009-12-11  Doug Kwan  <dougkwan@google.com>
4935         2009-12-11  Nick Clifton  <nickc@redhat.com>
4936         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4937
4938 2009-12-11  Doug Kwan  <dougkwan@google.com>
4939
4940         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4941         due to -Wshadow.
4942         * attributes.cc (Object_attribute::size): Ditto.
4943         (Attributes_section_data::size): Ditto.
4944         (Attributes_section_data::Attributes_section_data): Ditto.
4945         (Output_attributes_section_data::do_write): Ditto.
4946         * attributes.h (Object_attribute::set_type): Ditto.
4947         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4948
4949 2009-12-11  Nick Clifton  <nickc@redhat.com>
4950
4951         * archive.cc: Fix shadowed variable warnings.
4952         * arm.cc: Likewise.
4953         * compressed_output.cc: Likewise.
4954         * compressed_output.h: Likewise.
4955         * configure: Likewise.
4956         * dwarf_reader.cc: Likewise.
4957         * dynobj.cc: Likewise.
4958         * dynobj.h: Likewise.
4959         * ehframe.cc: Likewise.
4960         * ehframe.h: Likewise.
4961         * errors.cc: Likewise.
4962         * expression.cc: Likewise.
4963         * fileread.cc: Likewise.
4964         * fileread.h: Likewise.
4965         * freebsd.h: Likewise.
4966         * i386.cc: Likewise.
4967         * icf.cc: Likewise.
4968         * incremental.h: Likewise.
4969         * layout.cc: Likewise.
4970         * layout.h: Likewise.
4971         * mapfile.cc: Likewise.
4972         * merge.cc: Likewise.
4973         * merge.h: Likewise.
4974         * object.cc: Likewise.
4975         * object.h: Likewise.
4976         * options.h: Likewise.
4977         * output.cc: Likewise.
4978         * output.h: Likewise.
4979         * parameters.cc: Likewise.
4980         * plugin.cc: Likewise.
4981         * powerpc.cc: Likewise.
4982         * reduced_debug_output.cc: Likewise.
4983         * reduced_debug_output.h: Likewise.
4984         * reloc.cc: Likewise.
4985         * reloc.h: Likewise.
4986         * resolve.cc: Likewise.
4987         * script-sections.cc: Likewise.
4988         * script.cc: Likewise.
4989         * script.h: Likewise.
4990         * sparc.cc: Likewise.
4991         * symtab.cc: Likewise.
4992         * symtab.h: Likewise.
4993         * target-select.cc: Likewise.
4994         * target-select.h: Likewise.
4995         * token.h: Likewise.
4996         * workqueue.cc: Likewise.
4997         * workqueue.h: Likewise.
4998         * x86_64.cc: Likewise.
4999
5000 2009-12-10  Doug Kwan  <dougkwan@google.com>
5001
5002         * arm.cc (attributes.h): New include.
5003         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
5004         (Arm_relobj::~Arm_relobj): Delete object pointed by
5005         attributes_section_data_.
5006         (Arm_relobj::attributes_section_data): New method definition.
5007         (Arm_relobj::attributes_section_data_): New data member declaration.
5008         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
5009         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
5010         attributes_section_data_.
5011         (Arm_dynobj::attributes_section_data): New method definition.
5012         (Arm_dynobj::attributes_section_data_): New data member declaration.
5013         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
5014         initialization value of may_use_blx_ to false.
5015         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
5016         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
5017         object attributes to compute results instead of hard-coding.
5018         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
5019         Target_arm::get_secondary_compatible_arch,
5020         Target_arm::set_secondary_compatible_arch
5021         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5022         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
5023         New method declarations.
5024         (Target_arm::get_aeabi_object_attribute): New method definition.
5025         (Target_arm::attributes_section_data_): New data member declaration.
5026         (read_arm_attributes_section): New template definition.
5027         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
5028         (Arm_dynobj::do_read_symbols): Ditto.
5029         (Target_arm::do_finalize_sections): Merge attributes sections from
5030         input.  Check for BLX use after attributes section merging.
5031         Fix __exidx_start and __exidx_end visibility.  Create an
5032         .ARM.attributes section if necessary.
5033         (Target_arm::get_secondary_compatible_arch,
5034         Target_arm::set_secondary_compatible_arch,
5035         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5036         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
5037         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
5038         New method definitions.
5039
5040 2009-12-09  Ian Lance Taylor  <iant@google.com>
5041
5042         * plugin.cc (Plugin::load): Don't cast from void* to a function
5043         pointer.
5044
5045 2009-12-09  Ian Lance Taylor  <iant@google.com>
5046
5047         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
5048         information fields.
5049
5050 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5051
5052         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5053         Replace two_file_shared_1.so with two_file_shared_2.so.
5054         * testsuite/Makefile.in: Regenerated.
5055
5056 2009-12-08  Doug Kwan  <dougkwan@google.com>
5057
5058         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5059         (HFILES): Add attributes.h and int_encoding.h.
5060         * Makefile.in: Regenerate.
5061         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5062         function definitions to int_encoding.cc
5063         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5064         prototypes to int_encoding.h
5065         * reduced_debug_output.cc (int_encoding.h): New include.
5066         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5067         function definitions to int_encoding.cc
5068         (insert_into_vector, read_from_pointer): Move template definitions to
5069         int_encoding.h
5070         * attributes.cc: New file.
5071         * attributes.h: New file.
5072         * int_encoding.cc: New file.
5073         * int_encoding.h: New file.
5074
5075 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5076
5077         PR gold/11055
5078         * incremental-dump.cc (dump_incremental_inputs): New.
5079         (main): Use dump_incremental_inputs.
5080
5081 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5082
5083         PR gold/10893
5084         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5085         checking elfcpp::STT_FUNC.
5086         (Target_i386::Relocate::relocate): Likewise.
5087         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5088
5089         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5090         symbols from shared libraries into normal FUNC symbols.
5091
5092         * symtab.h (Symbol): Add is_func and use it.
5093
5094 2009-12-05  Doug Kwan  <dougkwan@google.com>
5095
5096         * arm.cc (Target_arm::arm_info): Initialize new fields
5097         attributes_section and attributes_vendor.
5098         * i386.cc (Target_i386::i386_info): Same.
5099         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5100         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5101         fields attributes_section and attributes_vendor.
5102         * sparc.cc (Target_sparc::sparc_info): Same.
5103         * target.h (Target::attributes_section, Target::attributes_vendor,
5104         Target::is_attributes_section, Target::attribute_arg_type,
5105         Target::attributes_order): New method definitions.
5106         (Target::Target_info::attributes_section,
5107         Target::Target_info::attributes_vendor): New fields.
5108         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5109         virtual method definitions.
5110         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5111         attributes_section and attributes_vendor.
5112         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5113
5114 2009-12-05  Doug Kwan  <dougkwan@google.com>
5115
5116         * arm.cc: Update comments about interworking and stub generation.
5117         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5118         considered as non-PIC.
5119         (Arm_relocate_functions::base_abs): Fix formatting.
5120         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5121         of function to use GOT entry address instead of offset.
5122         (Target_arm::Scan::global): Issue an error if a symbol would need a
5123         PLT does not get one because it is untyped.  Remove code to create
5124         dynamic symbols for relative branches.
5125         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5126         takes unsigned integer instead of boolean.
5127
5128 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5129
5130         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5131         (two_file_test_LDADD): Likewise.
5132         (common_test_1_LDADD): Likewise.
5133         (exception_test_LDADD) Likewise.
5134         (weak_test_LDADD): Likewise.
5135         (many_sections_test_LDADD): Likewise.
5136         (initpri1_LDADD): Likewise.
5137         (script_test_1_LDADD): Likewise.
5138         (script_test_2_LDADD): Likewise.
5139         (justsyms_LDADD): Likewise.
5140         (binary_test_LDADD): Likewise.
5141         (large_LDADD): Likewise.
5142         * testsuite/Makefile.in: Regenerated.
5143
5144 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5145
5146         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5147         (Symbol_table::override_with_special): Likewise.
5148         (Symbol_table::add_from_object): Likewise.
5149
5150 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5151
5152         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5153         Don't set the data_offset twice.
5154
5155 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5156
5157         * testsuite/Makefile.in: Regenerate.
5158
5159 2009-12-03  Doug Kwan  <dougkwan@google.com>
5160
5161         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5162         (Target_arm::do_finalize_sections): Add parameter for symbol table
5163         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5164         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5165         parameter for symbol table pointer.
5166         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5167         an additional parameter for a pointer to symbol table.
5168         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5169         parameter for a symbol table pointer.
5170         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5171         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5172         Ditto.
5173         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5174         parameter for a symbol table pointer.
5175
5176 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5177
5178         * incremental.cc (Incremental_inputs_header)
5179         (Incremental_inputs_header_write, Incremental_inputs_entry)
5180         (Incremental_inputs_entry_write): Move ...
5181         * incremental.h (Incremental_inputs_header)
5182         (Incremental_inputs_header_write, Incremental_inputs_entry)
5183         (Incremental_inputs_entry_write): here.
5184
5185 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5186
5187         * incremental.cc (make_sized_incremental_binary): Set the target.
5188         Error if it is incompatible.
5189         * output.h (Output_file): Add filename method.
5190
5191 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5192
5193         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5194         from the get_* methods.
5195
5196 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5197
5198         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5199         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5200         Write 0 for the data_offset of scripts.
5201
5202 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5203
5204         * testsuite/Makefile.am: Add the incremental_test.sh test.
5205         * testsuite/incremental_test.sh: New.
5206         * testsuite/incremental_test_1.c: New.
5207         * testsuite/incremental_test_2.c: New.
5208
5209 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5210
5211        * incremental-dump.cc (main): Fix typos.
5212
5213 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5214
5215         PR gold/11025
5216         * incremental-dump.cc (main): Use llu to print 64 bit values.
5217
5218 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5219             H.J. Lu  <hongjiu.lu@intel.com>
5220
5221         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5222         $(LIBDL).
5223         (incremental_dump_LDADD): Likewise.
5224         * Makefile.in: Regenerated.
5225
5226 2009-11-25  Doug Kwan  <dougkwan@google.com>
5227
5228         Revert:
5229
5230         2009-11-25  Doug Kwan  <dougkwan@google.com>
5231
5232                 * arm.cc (Target_arm::Target_arm): Move method definition
5233                 outside of class definition.  Add code to handle
5234                 --target1-rel, --target1-abs and --target2= options.
5235                 (Target_arm::get_reloc_reloc_type): Change method to be
5236                 non-static and const.
5237                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
5238                 New data member declaration.
5239                 (Target_arm::Scan::local, Target_arm::Scan::global,
5240                 Target_arm::Relocate::relocate,
5241                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5242                 Adjust call to Target_arm::get_real_reloc_type.
5243                 (Target_arm::get_real_reloc_type): Use command line options
5244                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5245                 * options.h (--target1-rel, --target1-abs, --target2): New
5246                 ARM-only options.
5247
5248 2009-11-25  Doug Kwan  <dougkwan@google.com>
5249
5250         * arm.cc (Target_arm::Target_arm): Move method definition outside of
5251         class definition.  Add code to handle --target1-rel, --target1-abs
5252         and --target2= options.
5253         (Target_arm::get_reloc_reloc_type): Change method to be non-static
5254         and const.
5255         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
5256         member declaration.
5257         (Target_arm::Scan::local, Target_arm::Scan::global,
5258         Target_arm::Relocate::relocate,
5259         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
5260         call to Target_arm::get_real_reloc_type.
5261         (Target_arm::get_real_reloc_type): Use command line options to
5262         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5263         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
5264         options.
5265
5266 2009-11-25  Doug Kwan  <dougkwan@google.com>
5267
5268         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
5269         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
5270         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
5271         formatting.
5272         (Arm_relocate_functions::thm_call): Replace body with a call to
5273         Arm_relocate_functions::thumb_branch_common.
5274         (Arm_relocate_functions::thm_jump24,
5275         Arm_relocate_functions::thm_xpc22): New method definitions.
5276         (Arm_relocate_functions::thumb_branch_common): New method definition.
5277         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
5278         operator.
5279         (Target_arm::Relocate::relocate): Adjust call to thm_call.
5280         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
5281
5282 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5283
5284         * Makefile.am: Build incremental-dump
5285         * Makefile.in: Regenerate.
5286         * incremental-dump.cc: New.
5287         * incremental.cc (Incremental_inputs_header_data,
5288         Incremental_inputs_entry_data): Move to incremental.h
5289         * incremental.h: (Incremental_inputs_header_data,
5290         Incremental_inputs_entry_data): Move from incremental.cc
5291
5292 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5293
5294         * incremental.cc (Incremental_inputs_header,
5295         Incremental_inputs_header_write, Incremental_inputs_entry,
5296         Incremental_inputs_entry_write): Add a typedef with the data type.
5297
5298 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5299
5300         * incremental.cc (Incremental_inputs_header,
5301         Incremental_inputs_header_write, Incremental_inputs_entry,
5302         Incremental_inputs_entry_write): Update comment about which
5303         type has the filed descriptions.
5304
5305 2009-11-15  Doug Kwan  <dougkwan@google.com>
5306
5307         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
5308         (Arm_relocate_functions::arm_branch_common): Change method defintion
5309         in class definition to a method declaration and update list of formal
5310         parameters.
5311         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
5312         Arm_relocation_functions::jump24): Adjust call to
5313         Arm_relocate_functions::arm_branch_common.  Update list of formal
5314         parameters.
5315         (Arm_relocate_functions::xpc25): New method definition.
5316         (Arm_relocate_functions::arm_branch_common): Move method defintion
5317         out from class definition.  Use stubs for mode-switching and extending
5318         branch ranges.
5319         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
5320         specially.  Change code to enable use of stubs in ARM branches.
5321
5322 2009-11-10  Doug Kwan  <dougkwan@google.com>
5323
5324         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
5325         in method declaration.
5326         (Target_arm::relocate_stub): New method declaration.
5327         (Target_arm::default_target): Change to return a pointer instead of
5328         a const reference.
5329         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
5330         Target_arm::default_target.
5331         (Arm_Relobj::do_relocate_sections): Remove options paramater in
5332         method definition.
5333         (Target_arm::relocate_section): Adjust view.
5334         (Target_arm::relocate_stub): New method definition.
5335
5336 2009-11-10  Doug Kwan  <dougkwan@google.com>
5337
5338         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
5339         a format warning.
5340         * incremental.cc (open_incremental_binary): Initialized local
5341         variables to avoid warnings.
5342         * object.cc (make_elf_object): Ditto.
5343         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
5344         a format warning.
5345
5346 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
5347
5348         PR gold/10930
5349         * testsuite/plugin_test.c: Include "config.h".
5350
5351 2009-11-09  Doug Kwan  <dougkwan@google.com>
5352
5353         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
5354         (arm_symbol_value): Remove.
5355         (Arm_relocate_functions::arm_branch_common,
5356         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
5357         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
5358         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
5359         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
5360         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
5361         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
5362         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
5363         Arm_relocate_functions::thm_mobw_abs_nc,
5364         Arm_relocate_functions::thm_mov_abs,
5365         Arm_relocate_functions::movw_prel_nc,
5366         Arm_relocate_functions::thm_movt_abs,
5367         Arm_relocate_functions::movt_prel,
5368         Arm_relocate_functions::thm_movw_prel_nc,
5369         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
5370         (Target_arm::Relocate::relocate): Only decompose address into two
5371         parts if relocation type uses the thumb-bit and pass the actual
5372         bit instead of a flag indicating that the thumb-bit is used.  Adjust
5373         calls to methods in Arm_relocate_functions for this change.
5374
5375 2009-11-08  Ian Lance Taylor  <iant@google.com>
5376
5377         PR 10925
5378         * reloc.cc: Instantiate
5379         Sized_relobj::initialize_input_to_output_maps and
5380         Sized_relobj:free_input_to_output_maps.
5381
5382 2009-11-06  Ian Lance Taylor  <iant@google.com>
5383
5384         PR 10876
5385         * defstd.cc (in_segment): Set only_if_ref true for "end".
5386
5387 2009-11-06  Doug Kwan  <dougkwan@google.com>
5388
5389         * arm.cc (class Reloc_stub): Correct a comment.
5390         (Target_arm::Target_arm): Initialize arm_input_section_map_.
5391         (Target_arm::scan_section_for_stubs): New method declaration.
5392         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
5393         Change methods from private to protected.
5394         (Target_arm::do_may_relax): New method definition.
5395         (Target_arm::do_relax, Target_arm::group_sections,
5396         Target_arm::scan_reloc_for_stub,
5397         Target_arm::scan_reloc_section_for_stubs): New method declarations.
5398         (Target_arm::arm_input_section_map_): New data member declaration.
5399         (Target_arm::scan_reloc_for_stub,
5400         Target_arm::scan_reloc_section_for_stubs,
5401         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
5402         Target_arm::do_relax): New method definitions.
5403
5404 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
5405
5406         * configure.ac: Check for (struct stat)::st_mtim
5407         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
5408         * config.in: Regenerate.
5409         * configure: Regenerate.
5410
5411 2009-11-05  Ian Lance Taylor  <iant@google.com>
5412
5413         PR 10910
5414         * output.cc (Output_segment::add_output_section): Add missing
5415         return statement.
5416
5417 2009-11-04  Ian Lance Taylor  <iant@google.com>
5418
5419         PR 10880
5420         * object.h (class Object): Add is_needed and set_is_needed
5421         methods.  Add is_needed_ field.  Make bool fields into bitfields.
5422         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
5423         defined in a dynamic object and referenced by a regular object,
5424         set is_needed for the dynamic object.
5425         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
5426         if the file is marked with as_needed and it is not needed.
5427
5428 2009-11-04  Ian Lance Taylor  <iant@google.com>
5429
5430         PR 10887
5431         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
5432         tags if data is discarded by linker script.
5433         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5434         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5435         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5436         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5437
5438 2009-11-04  Ian Lance Taylor  <iant@google.com>
5439
5440         * layout.cc (Layout::get_output_section): Add is_interp and
5441         is_dynamic_linker_section parameters.  Change all callers.
5442         (Layout::choose_output_section): Likewise.
5443         (Layout::make_output_section): Likewise.
5444         (Layout::add_output_section_data): Add is_dynamic_linker_section
5445         parameter.  Change all callers.
5446         * layout.h (class Layout): Update declarations.
5447         * output.h (class Output_section): Add is_interp, set_is_interp,
5448         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
5449         Add is_interp_, is_dynamic_linker_section_ fields.  Change
5450         generate_code_fills_at_write_ to a bitfield.
5451         * output.cc (Output_section::Output_sections): Initialize new
5452         fields.
5453         (Output_segment::add_output_section): Add do_sort parameter.
5454         Change all callers.
5455
5456 2009-11-03  Ian Lance Taylor  <iant@google.com>
5457
5458         PR 10860
5459         * options.h (class General_options): Add --warn-common.
5460         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
5461         merging two common symbols.
5462         (Symbol_table::should_override): Handle --warn-common when merging
5463         a common symbol with a defined symbol.  Use report_resolve_problem
5464         for multiple definitions.
5465         (Symbol_table::report_resolve_problem): New function.
5466         * symtab.h (class Symbol_table): Declare report_resolve_problem.
5467
5468 2009-11-03  Doug Kwan  <dougkwan@google.com>
5469
5470         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
5471         stub_factory_.
5472         (Target_arm::stub_factory): New method definition.
5473         (Target_arm::new_arm_input_section,
5474         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
5475         Target_arm::reloc_uses_thumb_bit): New method declarations.
5476         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
5477         New type definitions.
5478         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
5479         member declarations.
5480         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
5481         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
5482         New method definitions.
5483
5484 2009-11-03  Ian Lance Taylor  <iant@google.com>
5485
5486         * options.h (class General_options): Add --warn_constructors.
5487
5488 2009-11-03  Ian Lance Taylor  <iant@google.com>
5489
5490         PR 10893
5491         * defstd.cc (in_section): Add entries for __rel_iplt_start,
5492         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
5493
5494 2009-11-03  Ian Lance Taylor  <iant@google.com>
5495
5496         PR 10895
5497         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
5498         --msgid-bugs-address.
5499         (install-pdf): New target.
5500         (install-data_yes): Look up one directory to find mkinstalldirs.
5501
5502 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
5503
5504         * po/Make-in (.po.gmo): Don't generate .gmo files in source
5505         tree.
5506
5507 2009-10-30  Doug Kwan  <dougkwan@google.com>
5508
5509         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
5510
5511 2009-10-30  Doug Kwan  <dougkwan@google.com>
5512
5513         * arm.cc (Stub_addend_reader): New struct template definition
5514         and partial specializations.
5515         (Stub_addend_reader::operator()): New method definition for a
5516         partially specialized template.
5517
5518 2009-10-30  Doug Kwan  <dougkwan@google.com>
5519
5520         * arm.cc (Arm_relobj::processor_specific_flags): New method
5521         definition.
5522         (Arm_relobj::do_read_symbols): New method declaration.
5523         (Arm_relobj::processor_specific_flags_): New data member declaration.
5524         (Arm_dynobj): New class definition.
5525         (Target_arm::do_finalize_sections): Add input_objects parameter.
5526         (Target_arm::do_adjust_elf_header): New method declaration.
5527         (Target_arm::are_eabi_versions_compatible,
5528         (Target_arm::merge_processor_specific_flags): New method declaration.
5529         (Target_arm::do_make_elf_object): New overloaded method definitions
5530         and declaration.
5531         (Arm_relobj::do_read_symbols): New method definition.
5532         (Arm_dynobj::do_read_symbols): Ditto.
5533         (Target_arm::do_finalize_sections): Add input_objects parameters.
5534         Merge processor-specific flags from all input objects.
5535         (Target_arm::are_eabi_versions_compatible,
5536         Target_arm::merge_processor_specific_flags,
5537         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
5538         New method definitions.
5539         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
5540         Input_objects pointer type parameter.
5541         * layout.cc (Layout::finalize): Pass input objects to target's.
5542         finalize_sections function.
5543         * output.cc (Output_file_header::do_sized_write): Set ELF file
5544         header's processor-specific flags.
5545         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
5546         Input_objects pointer type parameter.
5547         * sparc.cc (Target_sparc::do_finalize_sections): Same.
5548         * target.h (Input_objects): New forward class declaration.
5549         (Target::processor_specific_flags,
5550         Target::are_processor_specific_flags_sect): New method definitions.
5551         (Target::finalize_sections): Add input_objects parameter.
5552         (Target::Target): Initialize processor_specific_flags_ and
5553         are_processor_specific_flags_set_.
5554         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
5555         parameter.
5556         (Target::set_processor_specific_flags): New method definition.
5557         (Target::processor_specific_flags_,
5558         Target::are_processor_specific_flags_set_): New data member
5559         declarations.
5560         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
5561         Input_objects pointer type parameter.
5562
5563 2009-10-30  Doug Kwan  <dougkwan@google.com>
5564
5565         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
5566
5567 2009-10-28  Ian Lance Taylor  <iant@google.com>
5568
5569         * object.h (class Relobj): Drop options parameter from
5570         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
5571         do_scan_relocs, do_relocate.  Change all callers.
5572         (class Sized_relobj): Drop options parameters from
5573         do_gc_process_relocs, do_scan_relocs, do_relocate,
5574         do_relocate_sections, relocate_sections, emit_relocs_scan,
5575         emit_relocs_scan_reltype.  Change all callers.
5576         (struct Relocate_info): Remove options field and all references to
5577         it.
5578         * reloc.h (class Read_relocs): Remove options constructor
5579         parameter and options_ field.  Change all callers.
5580         (class Gc_process_relocs, class Scan_relocs): Likewise.
5581         (class Relocate_task): Likewise.
5582         * target-reloc.h (scan_relocs): Remove options parameter.  Change
5583         all callers.
5584         (scan_relocatable_relocs): Likewise.
5585         * target.h (class Sized_target): Remove options parameter from
5586         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
5587         all callers.
5588         * gc.h (gc_process_relocs): Remove options parameter.  Change all
5589         callers.
5590         * arm.cc: Update functions to remove options parameters.
5591         * i386.cc: Likewise.
5592         * powerpc.cc: Likewise.
5593         * sparc.cc: Likewise.
5594         * x86_64.cc: Likewise.
5595         * testsuite/testfile.cc: Likewise.
5596
5597 2009-10-28  Doug Kwan  <dougkwan@google.com>
5598
5599         * arm.cc (Arm_relobj): New class definition.
5600         (Arm_relobj::scan_sections_for_stubs,
5601         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
5602         New method definitions.
5603
5604 2009-10-28  Cary Coutant  <ccoutant@google.com>
5605
5606         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
5607         (Plugin::cleanup_done_): New member.
5608         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
5609         (Plugin_manager::cleanup_done_): Remove.
5610         (Plugin_manager::add_input_file): Edit error message.
5611         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
5612         (Plugin_manager::cleanup): Remove use of cleanup_done_.
5613
5614 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
5615
5616         * fileread.cc: (File_read::View::~View): Use the new
5617         data_ownership_ filed.
5618         (File_read::~File_read): Dispose the new whole_file_view_.
5619         (File_read::open): Mmap the whole file if needed.
5620         (File_read::open): Use whole_file_view_ instead of contents_.
5621         (File_read::find_view): Use whole_file_view_ if applicable.
5622         (File_read::do_read): Use whole_file_view_ instead of contents_.
5623         (File_read::make_view): Use whole_file_view_ instead of contents_,
5624         update File_read::View::View call.
5625         (File_read::find_or_make_view): Update File_read::View::View
5626         call.
5627         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
5628         remove contents_
5629         (File_read::View::Data_ownership): New enum.
5630         (File_read::View::View): Replace bool mapped_ with Data_ownership
5631         argument.
5632         (File_read::View::mapped_): Remove (replaced by data_ownership_).
5633         (File_read::View::data_ownership_): New field.
5634         (File_read::contents_): Remove (replaced by whole_file_view_).
5635         (File_read::whole_file_view_): New field.
5636         * options.h (class General_options): Add --keep-files-mapped.
5637
5638 2009-10-27  Cary Coutant  <ccoutant@google.com>
5639
5640         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
5641         * testsuite/Makefile.am (plugin_test_5): New test case.
5642         * testsuite/Makefile.in: Regenerate.
5643
5644 2009-10-25  Doug Kwan  <dougkwan@google.com>
5645
5646         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
5647         from private to protected to allow access by child class.
5648         (Sized_relobj::do_relocate_sections): New method declaration.
5649         (Sized_relobj::relocate_sections): Virtualize.
5650         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
5651         Sized_relobj::relocate_sections.  Instantiate template explicitly
5652         for different target sizes and endianity.
5653
5654 2009-10-24  Doug Kwan  <dougkwan@google.com>
5655
5656         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
5657         (Arm_input_section::as_arm_input_section): New method.
5658         (Arm_output_section): New class definition.
5659         (Arm_output_section::create_stub_group,
5660         Arm_output_section::group_sections): New method definitions.
5661
5662 2009-10-22  Doug Kwan  <dougkwan@google.com>
5663
5664         * arm.cc (Arm_input_section): New class definition.
5665         (Arm_input_section::init, Arm_input_section:do_write,
5666         Arm_input_section::set_final_data_size,
5667         Arm_input_section::do_reset_address_and_file_offset): New method
5668         definitions.
5669
5670 2009-10-21  Doug Kwan  <dougkwan@google.com>
5671
5672         * arm.cc (Stub_table, Arm_input_section): New forward class
5673         declarations.
5674         (Stub_table): New class defintion.
5675         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
5676         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
5677         New method definition.
5678
5679 2009-10-21  Doug Kwan  <dougkwan@google.com>
5680
5681         * arm.cc: Update copyright comments.
5682         (Target_arm): New forward class template declaration.
5683         (Arm_address): New type.
5684         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
5685         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
5686         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
5687         constants.
5688         (Insn_template): Same.
5689         (DEF_STUBS): New macro.
5690         (Stub_type): New enum type.
5691         (Stub_template): New class definition.
5692         (Stub): Same.
5693         (Reloc_stub): Same.
5694         (Stub_factory): Same.
5695         (Target_arm::Target_arm): Initialize may_use_blx_ and
5696         should_force_pic_veneer_.
5697         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
5698         Target_arm::should_force_pic_veneer,
5699         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
5700         Target_arm::using_thumb_only, Target_arm:;default_target): New
5701         method defintions.
5702         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
5703         New data member declarations.
5704         (Insn_template::size, Insn_template::alignment): New method defintions.
5705         (Stub_template::Stub_template): New method definition.
5706         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
5707         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
5708         (Stub_factory::Stub_factory): New method definition.
5709         * gold.h (string_hash): New template.
5710         * output.h (Input_section_specifier::hash_value): Use
5711         gold::string_hash.
5712         (Input_section_specifier::string_hash): Remove.
5713         * stringpool.cc (Stringpool_template::string_hash): Use
5714         gold::string_hash.
5715
5716 2009-10-20  Doug Kwan  <dougkwan@google.com>
5717
5718         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
5719         symbols of relaxed input sections.
5720         * output.h (Output_section::find_relaxed_input_section): Make
5721         method public.
5722
5723 2009-10-16  Doug Kwan  <dougkwan@google.com>
5724
5725         * dynobj.cc (Versions::Versions): Initialize version_script_.
5726         Only insert base version symbol definition for a shared object
5727         if version script defines any version versions.
5728         (Versions::define_base_version): New method definition.
5729         (Versions::add_def): Check that base version is not needed.
5730         (Versions::add_need): Define base version lazily.
5731         * dynobj.h (Versions::define_base_version): New method declaration.
5732         (Versions::needs_base_version_): New data member declaration.
5733         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
5734         (check_DATA): Add no_version_test.stdout.
5735         (libno_version_test.so, no_version_test.o no_version_test.stdout):
5736         New make rules.
5737         * testsuite/Makefile.in: Regenerate.
5738         * testsuite/no_version_test.c: New file.
5739         * testsuite/no_version_test.sh: Ditto.
5740
5741 2009-10-16  Doug Kwan  <dougkwan@google.com>
5742
5743         * expression.cc (class Segment_start_expression): New class definition.
5744         (Segment_start_expression::value): New method definition.
5745         (script_exp_function_segment_start): Return a new
5746         Segment_start_expression.
5747         * gold/script-c.h (script_saw_segment_start_expression): New function
5748         prototype.
5749         * script-sections.cc (Script_sections::Script_sections): Initialize
5750         SAW_SEGMENT_START_EXPRESSION_ to false.
5751         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
5752         and -Tbbs options to specify section addresses if given in
5753         command line and no SEGMENT_START expression is seen in a script.
5754         * script-sections.h (Script_sections::saw_segment_start_expression,
5755         Script_sections::set_saw_segment_start_expression): New method
5756         definition.
5757         (Script_sections::saw_segment_start_expression_): New data member
5758         declaration.
5759         * script.cc (script_saw_segment_start_expression): New function.
5760         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
5761         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
5762         script_test_7.sh and script_test_8.sh.
5763         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
5764         script_test_8.stdout.
5765         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
5766         (script_test_6, script_test_6.stdout, script_test_7,
5767         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
5768         * Makefile.in: Regenerate.
5769         * testsuite/script_test_6.sh: New file.
5770         * testsuite/script_test_6.t: Same.
5771         * testsuite/script_test_7.sh: Same.
5772         * testsuite/script_test_7.t: Same.
5773         * testsuite/script_test_8.sh: Same.
5774
5775 2009-10-16  Doug Kwan  <dougkwan@google.com>
5776
5777         * output.cc (Output_segment::set_section_list_address): Cast
5778         expressions to unsigned long long type to avoid format warnings.
5779
5780 2009-10-15  Ian Lance Taylor  <iant@google.com>
5781
5782         * script.cc (Script_options::add_symbol_assignment): Always add a
5783         dot assignment to script_sections_.
5784         * script-sections.cc (Script_sections::add_dot_assignment):
5785         Initialize if necessary.
5786
5787         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
5788         program headers with no load segment if there is a linker script.
5789
5790         * layout.cc (Layout::set_segment_offsets): Align the file offset
5791         to the segment aligment for -N or -n with no load segment.
5792         * output.cc (Output_segment::add_output_section): Don't crash if
5793         the first section is a TLS section.
5794         (Output_segment::set_section_list_addresses): Print an error
5795         message if the address moves backward in a linker script.
5796         * script-sections.cc
5797         (Output_section_element_input::set_section_addresses): Don't
5798         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
5799         (Orphan_output_section::set_section_addresses): Likewise.
5800
5801 2009-10-15  Doug Kwan  <dougkwan@google.com>
5802
5803         * layout.cc (Layout::finish_dynamic_section): Generate tags
5804         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
5805         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
5806         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
5807
5808 2009-10-14  Ian Lance Taylor  <iant@google.com>
5809
5810         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
5811         fields.
5812         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
5813         data_shdr fields of relinfo.
5814         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
5815         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
5816         R_386_TLS_LDO_32, adjust based on section flags.
5817         (Target_i386::Relocate::fix_up_ldo): Remove.
5818
5819 2009-10-13  Ian Lance Taylor  <iant@google.com>
5820
5821         Add support for -pie.
5822         * options.h (class General_options): Add -pie and
5823         --pic-executable.
5824         (General_options::output_is_position_independent): Test -pie.
5825         (General_options::output_is_executable): Return true if not shared
5826         and not relocatable.
5827         (General_options::output_is_pie): Remove.
5828         * options.cc (General_options::finalize): Reject incompatible uses
5829         of -pie.
5830         * gold.cc (queue_middle_tasks): A -pie link is not static.
5831         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
5832         * symtab.cc (Symbol::final_value_is_known): Return false if
5833         output_is_position_independent.
5834         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
5835         output_is_position_independent.
5836         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
5837         output_is_position_independent.
5838         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
5839         output_is_position_independent.
5840         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
5841         two_file_pie_test.
5842         (basic_pie_test.o, basic_pie_test): New targets.
5843         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
5844         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
5845         (two_file_pie_test): New target.
5846         * testsuite/Makefile.in: Rebuild.
5847         * README: Remove note saying that -pie is not supported.
5848
5849 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5850
5851         * options.h (class General_options): Add -init and -fini.
5852         * layout.cc (Layout::finish_dynamic_section): Emit
5853         given init and fini functions.
5854
5855 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
5856
5857         * gc.h (gc_process_relocs): Check if icf is enabled using new
5858         function.
5859         * gold.cc (queue_initial_tasks): Likewise.
5860         (queue_middle_tasks): Likewise.
5861         * object.cc (do_layout): Likewise.
5862         * symtab.cc (is_section_folded): Likewise.
5863         * main.cc (main): Likewise.
5864         * reloc.cc (Read_relocs::run): Likewise.
5865         (Sized_relobj::do_scan_relocs): Likewise.
5866         * icf.cc (is_function_ctor_or_dtor): New function.
5867         (Icf::find_identical_sections): Check if function is ctor or dtor when
5868         safe icf is chosen.
5869         * options.h (General_options::icf): Change option to be an enum.
5870         (Icf_status): New enum.
5871         (icf_enabled): New method.
5872         (icf_safe_folding): New method.
5873         (set_icf_status): New method.
5874         (icf_status_): New variable.
5875         * (options.cc) (General_options::finalize): Set icf_status_.
5876         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
5877         icf_test and icf_keep_unique_test to use the --icf enum flag.
5878         * testsuite/icf_safe_test.sh: New file.
5879         * testsuite/icf_safe_test.cc: New file.
5880
5881 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
5882
5883         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
5884         includes to gc.h and icf.h.
5885         * arm.cc: Include gc.h.
5886         * gold.cc: Likewise.
5887         * i386.cc: Likewise.
5888         * powerpc.cc: Likewise.
5889         * sparc.cc: Likewise.
5890         * x86_64.cc: Likewise.
5891         * gc.h: Include icf.h.
5892
5893 2009-10-11  Ian Lance Taylor  <iant@google.com>
5894
5895         * plugin.cc: Include "gold.h" before other header files.
5896
5897 2009-10-10  Chris Demetriou  <cgd@google.com>
5898
5899         * options.h (Input_file_argument::Input_file_type): New enum.
5900         (Input_file_argument::is_lib_): Replace with...
5901         (Input_file_argument::type_): New member.
5902         (Input_file_argument::Input_file_argument): Take Input_file_type
5903         'type' rather than boolean 'is_lib' as second argument.
5904         (Input_file_argument::is_lib): Use type_.
5905         (Input_file_argument::is_searched_file): New function.
5906         (Input_file_argument::may_need_search): Handle is_searched_file.
5907         * options.cc (General_options::parse_library): Support -l:filename.
5908         (General_options::parse_just_symbols): Update for Input_file_argument
5909         changes.
5910         (Command_line::process): Likewise.
5911         * archive.cc (Archive::get_file_and_offset): Likewise.
5912         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5913         * script.cc (read_script_file, script_add_file): Likewise.
5914         * fileread.cc (Input_file::Input_file): Likewise.
5915         (Input_file::will_search_for): Handle is_searched_file.
5916         (Input_file::open): Likewise.
5917         * readsyms.cc (Read_symbols::get_name): Likewise.
5918         * testsuite/Makefile.am (searched_file_test): New test.
5919         * testsuite/Makefile.in: Regenerate.
5920         * testsuite/searched_file_test.cc: New file.
5921         * testsuite/searched_file_test_lib.cc: New file.
5922
5923 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5924             Ian Lance Taylor  <iant@google.com>
5925
5926         * descriptor.cc: Include <cstdio> and "binary-io.h".
5927         (Descriptors::open): Open the files in binary mode always.
5928         * script.cc (Lex::get_token): Treat \r as whitespace.
5929
5930 2009-10-09  Ian Lance Taylor  <iant@google.com>
5931
5932         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5933
5934 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5935             Ian Lance Taylor  <iant@google.com>
5936
5937         * configure.ac: Check for readv function also.
5938         * fileread.cc (readv): Define if not HAVE_READV.
5939         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5940         does not exist.
5941         * config.in: Regenerate.
5942         * configure: Regenerate.
5943
5944 2009-10-09  Doug Kwan  <dougkwan@google.com>
5945
5946         * layout.cc (Layout::make_output_section): Call target hook to make
5947         ordinary output section.
5948         (Layout::finalize): Adjust parameter list of call the
5949         Target::may_relax().
5950         * layout.h (class Layout::section_list): New method.
5951         * merge.h (Output_merge_base::entsize): Change visibility to public.
5952         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5953         New methods.
5954         (Output_merge_string::do_is_string): New method.
5955         * object.cc (Sized_relobj::do_setup): renamed from
5956         Sized_relobj::set_up.
5957         * object.h (Sized_relobj::adjust_shndx,
5958         Sized_relobj::initializ_input_to_output_maps,
5959         Sized_relobj::free_input_to_output_maps): Change visibilities to
5960         protected.
5961         (Sized_relobj::setup): Virtualize.
5962         (Sized_relobj::do_setup): New method declaration.
5963         (Sized_relobj::invalidate_section_offset,
5964         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5965         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5966         * options.cc (parse_int): New function.
5967         * options.h (parse_int): New declaration.
5968         (DEFINE_int): New macro.
5969         (stub_group_size): New option.
5970         * output.cc (Output_section::Output_section): Initialize memebers
5971         merge_section_map_, merge_section_by_properties_map_,
5972         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5973         (Output_section::add_input_section): Handled deferred code-fill
5974         generation and remove an old comment.
5975         (Output_section::add_relaxed_input_section): New method definition.
5976         (Output_section::add_merge_input_section): Use merge section by
5977         properties map to speed to search.  Update merge section maps
5978         as appropriate.
5979         (Output_section::build_relaxation_map): New method definition.
5980         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5981         Same.
5982         (Output_section::relax_input_section): Renamed to
5983         Output_section::convert_input_sections_to_relaxed_sections and change
5984         interface to take a vector of pointers to relaxed sections.
5985         (Output_section::find_merge_section,
5986         Output_section::find_relaxed_input_section): New method definitions.
5987         (Output_section::is_input_address_mapped,
5988         Output_section::output_offset, Output_section::output_address):
5989         Use output section data maps to speed up searching.
5990         (Output_section::find_starting_output_address): Add comments.
5991         (Output_section::do_write,
5992         Output_section::write_to_postprocessing_buffer): Do code-fill
5993         generation as appropriate.
5994         (Output_section::get_input_sections): Invalidate relaxed input section
5995         map.
5996         (Output_section::restore_states): Adjust type of checkpoint .
5997         Invalidate relaxed input section map.
5998         * output.h (Output_merge_base): New class declaration.
5999         (Input_section_specifier): New class defintion.
6000         (class Output_relaxed_input_section) Change base class to
6001         Output_section_data_build.
6002         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
6003         base class initializer.
6004         (Output_section::add_relaxed_input_section): New method declaration.
6005         (Output_section::Input_section): Change visibility to protected.
6006         (Output_section::Input_section::relobj,
6007         Output_section::Input_section::shndx): Handle relaxed input sections.
6008         Output_section::input_sections) Change visibility to protected.  Also
6009         define overload to return a non-const pointer.
6010         (Output_section::Merge_section_properties): New class defintion.
6011         (Output_section::Merge_section_by_properties_map,
6012         Output_section::Output_section_data_by_input_section_map,
6013         Output_section::Relaxation_map): New types.
6014         (Output_section::relax_input_section): Rename method to
6015         Output_section::convert_input_sections_to_relaxed_sections and change
6016         interface to take a vector of relaxed section pointers.
6017         (Output_section::find_merge_section,
6018         Output_section::find_relaxed_input_section,
6019         Output_section::build_relaxation_map,
6020         Output_section::convert_input_sections_in_list_to_relaxed_sections):
6021         New method declarations.
6022         (Output_section::merge_section_map_
6023         Output_section::merge_section_by_properties_map_,
6024         Output_section::relaxed_input_section_map_,
6025         Output_section::is_relaxed_input_section_map_valid_,
6026         Output_section::generate_code_fills_at_write_): New data members.
6027         * script-sections.cc
6028         (Output_section_element_input::set_section_addresses): Call
6029         current_data_size and addralign methods of relaxed input sections.
6030         (Orphan_output_section::set_section_addresses): Call current_data_size
6031         and addralign methods of relaxed input sections.
6032         * symtab.cc (Symbol_table::compute_final_value): Extract template
6033         from the body of Symbol_table::sized_finalize_symbol.
6034         (Symbol_table::sized_finalized_symbol): Call
6035         Symbol_table::compute_final_value.
6036         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
6037         (Symbol_table::compute_final_value): New templated method declaration.
6038         * target.cc (Target::do_make_output_section): New method defintion.
6039         * target.h (Target::make_output_section): New method declaration.
6040         (Target::relax): Add more parameters for input objects, symbol table
6041         and layout.  Adjust call to do_relax.
6042         (Target::do_make_output_section): New method declaration.
6043         (Target::do_relax): Add parameters for input objects, symbol table
6044         and layout.
6045
6046 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6047
6048         * pread.c: Include stdio.h.
6049
6050 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6051
6052         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6053         defined.
6054
6055 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6056
6057         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6058         Change read_shndx type to unsigned int.
6059         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6060         int.
6061         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6062         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6063         Change read_shndx type to unsigned int.
6064         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6065         int.
6066         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6067         * layout.cc (Layout::create_symtab_sections): Cast the result of
6068         local_symcount * symsize to off_t in the gold_assert.
6069
6070 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6071
6072         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6073         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6074         R_ARM_BASE_ABS.
6075         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6076         (Arm_relocate_functions::thm_abs5): New function.
6077         (Arm_relocate_functions::abs12): New function.
6078         (Arm_relocate_functions::abs16): New function.
6079         (Arm_relocate_functions::base_abs): New function.
6080         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6081         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6082         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6083         R_ARM_BASE_ABS.
6084         (Scan::global): Likewise.
6085         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6086         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6087         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6088         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6089         R_ARM_BASE_ABS.
6090
6091 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6092
6093         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6094         (Arm_relocate_functions::movt_prel): New function.
6095         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6096         (Arm_relocate_functions::thm_movt_prel): New function.
6097         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6098         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6099         (Scan::global, Relocate::relocate): Likewise.
6100         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6101
6102 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6103
6104         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6105         Incremental_checker.
6106         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6107         unsigned int.
6108         (class Incremental_inputs_header): New class.
6109         (Incremental_inputs_header_writer): Edit comment.
6110         (Incremental_inputs_entry): New class.
6111         (Incremental_inputs_entry_writer): Edit comment.
6112         (Sized_incremental_binary::do_find_incremental_inputs_section):
6113         Add *strtab_shndx parameter, fill it.
6114         (Sized_incremental_binary::do_check_inputs): New method.
6115         (Incremental_checker::can_incrementally_link_output_file): Use
6116         Sized_incremental_binary::check_inputs.
6117         (Incremental_inputs::report_command_line): Save command line in
6118         command_line_.
6119         * incremental.h:
6120         (Incremental_binary::find_incremental_inputs_section): New
6121         method.
6122         (Incremental_binary::do_find_incremental_inputs_section): Add
6123         strtab_shndx parameter.
6124         (Incremental_binary::do_check_inputs): New pure virtual method.
6125         (Sized_incremental_binary::do_check_inputs): Declare.
6126         (Incremental_checker::Incremental_checker): Add incremental_inputs
6127         parameter, use it to initialize incremental_inputs_.
6128         (Incremental_checker::incremental_inputs_): New field.
6129         (Incremental_checker::command_line): New method.
6130         (Incremental_checker::inputs): New method.
6131         (Incremental_checker::command_line_): New field.
6132
6133 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6134
6135         * incremental.cc: Include <cstdarg> and "target-select.h".
6136         (vexplain_no_incremental): New function.
6137         (explain_no_incremental): New function.
6138         (Incremental_binary::error): New method.
6139         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6140         method.
6141         (make_sized_incremental_binary): New function.
6142         (open_incremental_binary): New function.
6143         (can_incrementally_link_file): Add checks if output is ELF and has
6144         inputs section.
6145         * incremental.h: Include "elfcpp_file.h" and "output.h".
6146         (Incremental_binary): New class.
6147         (Sized_incremental_binary): New class.
6148         (open_incremental_binary): Declare.
6149         * object.cc (is_elf_object): Use
6150         elfcpp::Elf_recognizer::is_elf_file.
6151         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6152         * output.h (Output_file::filesize): New method.
6153
6154 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6155
6156         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6157         New function.
6158         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6159         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6160         function.
6161         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6162         function.
6163         (Arm_relocate_functions::movw_abs_nc): New function.
6164         (Arm_relocate_functions::movt_abs): New function.
6165         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6166         (Arm_relocate_functions::thm_movt_abs): New function.
6167         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6168         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6169         (Scan::global): Likewise.
6170         (Relocate::relocate): Likewise.
6171         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6172
6173 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6174
6175         * arm.cc (Arm_relocate_functions::got_prel) New function.
6176         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6177         (Relocate::relocate): Likewise.
6178         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6179
6180 2009-10-06  Ian Lance Taylor  <iant@google.com>
6181
6182         * options.h (class General_options): Define
6183         split_stack_adjust_size parameter.
6184         * object.h (class Object): Add uses_split_stack_ and
6185         has_no_split_stack_ fields.  Add uses_split_stack and
6186         has_no_split_stack accessor functions.  Declare
6187         handle_split_stack_section.
6188         (class Reloc_symbol_changes): Define.
6189         (class Sized_relobj): Define Function_offsets.  Declare
6190         split_stack_adjust, split_stack_adjust_reltype, and
6191         find_functions.
6192         * object.cc (Object::handle_split_stack_section): New function.
6193         (Sized_relobj::do_layout): Call handle_split_stack_section.
6194         * dynobj.cc (Sized_dynobj::do_layout): Call
6195         handle_split_stack_section.
6196         * reloc.cc (Sized_relobj::relocate_sections): Call
6197         split_stack_adjust for executable sections in split_stack
6198         objects.  Pass reloc_map to relocate_section.
6199         (Sized_relobj::split_stack_adjust): New function.
6200         (Sized_relobj::split_stack_adjust_reltype): New function.
6201         (Sized_relobj::find_functions): New function.
6202         * target-reloc.h: Include "object.h".
6203         (relocate_section): Add reloc_symbol_changes parameter.  Change
6204         all callers.
6205         * target.h (class Target): Add calls_non_split method.  Declare
6206         do_calls_non_split virtual method.  Declare match_view and
6207         set_view_to_nop.
6208         * target.cc: Include "elfcpp.h".
6209         (Target::do_calls_non_split): New function.
6210         (Target::match_view): New function.
6211         (Target::set_view_to_nop): New function.
6212         * gold.cc (queue_middle_tasks): Give an error if mixing
6213         split-stack and non-split-stack objects with -r.
6214         * i386.cc (Target_i386::relocate_section): Add
6215         reloc_symbol_changes parameter.
6216         (Target_i386::do_calls_non_split): New function.
6217         * x86_64.cc (Target_x86_64::relocate_section): Add
6218         reloc_symbol_changes parameter.
6219         (Target_x86_64::do_calls_non_split): New function.
6220         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6221         parameter.
6222         * powerpc.cc (Target_powerpc::relocate_section): Add
6223         reloc_symbol_changes parameter.
6224         * sparc.cc (Target_sparc::relocate_section): Add
6225         reloc_symbol_changes parameter.
6226         * configure.ac: Call AM_CONDITIONAL for the default target.
6227         * configure: Rebuild.
6228         * testsuite/Makefile.am (TEST_AS): New variable.
6229         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6230         (check_DATA): Add split_i386 and split_x86_64 files.
6231         (SPLIT_DEFSYMS): Define.
6232         (split_i386_[1234n].o): New targets.
6233         (split_i386_[124]): New targets.
6234         (split_i386_[1234r].stdout): New targets.
6235         (split_x86_64_[1234n].o): New targets.
6236         (split_x86_64_[124]): New targets.
6237         (split_x86_64_[1234r].stdout): New targets.
6238         (MOSTLYCLEANFILES): Add new executables.
6239         * testsuite/split_i386.sh: New file.
6240         * testsuite/split_x86_64.sh: New file.
6241         * testsuite/split_i386_1.s: New file.
6242         * testsuite/split_i386_2.s: New file.
6243         * testsuite/split_i386_3.s: New file.
6244         * testsuite/split_i386_4.s: New file.
6245         * testsuite/split_i386_n.s: New file.
6246         * testsuite/split_x86_64_1.s: New file.
6247         * testsuite/split_x86_64_2.s: New file.
6248         * testsuite/split_x86_64_3.s: New file.
6249         * testsuite/split_x86_64_4.s: New file.
6250         * testsuite/split_x86_64_n.s: New file.
6251         * testsuite/testfile.cc (Target_test): Update relocation_section
6252         function.
6253         * testsuite/Makefile.in: Rebuild.
6254
6255 2009-10-06  Ian Lance Taylor  <iant@google.com>
6256
6257         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
6258         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
6259         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
6260         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
6261         the address on ldo_addrs_.
6262         (Target_i386::Relocate::fix_up_ldo): New function.
6263
6264 2009-10-06   Rafael Espindola  <espindola@google.com>
6265
6266         * plugin.cc (add_input_library): New.
6267         (Plugin::load): Add add_input_library to tv.
6268         (Plugin_manager::add_input_file): Add the is_lib argument.
6269         (add_input_file): Update call to Plugin_manager::add_input_file.
6270         (add_input_library): New.
6271         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
6272
6273 2009-09-30  Doug Kwan  <dougkwan@google.com>
6274
6275         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
6276         symbol and call Symbol::may_need_copy_reloc to determine if
6277         a copy reloc is needed.
6278         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
6279         nocopyreloc is given in command line.
6280         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
6281         given in command line.
6282         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
6283         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
6284         of the removed Target_i386::may_need_copy_reloc.
6285         * options.h (copyreloc): New option with default value false.
6286         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6287         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
6288         instead of the removed Target_powerpc::may_need_copy_reloc.
6289         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6290         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
6291         instead of the removed Target_sparc::may_need_copy_reloc.
6292         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
6293         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
6294         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
6295         instead of the removed Target_x86_64::may_need_copy_reloc.
6296
6297 2009-09-30  Ian Lance Taylor  <iant@google.com>
6298
6299         * object.h (class Object): Remove target_ field, and target,
6300         sized_target, and set_target methods.
6301         (Object::sized_target): Remove.
6302         (class Sized_relobj): Update declarations.  Remove sized_target.
6303         * object.cc (Sized_relobj::setup): Remove target parameter.
6304         Change all callers.
6305         (Input_objects::add_object): Don't do anything with the target.
6306         (make_elf_sized_object): Add punconfigured parameter.  Change all
6307         callers.  Set or test parameter target.
6308         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
6309         Change all callers.
6310         * parameters.cc (Parameters::set_target): Change parameter type to
6311         be non-const.
6312         (Parameters::default_target): Remove.
6313         (set_parameters_target): Change parameter type to be non-const.
6314         (parameters_force_valid_target): New function.
6315         (parameters_clear_target): New function.
6316         * parameters.h (class Parameters): Update declarations.  Remove
6317         default_target method.  Add sized_target and clear_target
6318         methods.  Change target_ to be non-const.
6319         (set_parameters_target): Update declaration.
6320         (parameters_force_valid_target): Declare.
6321         (parameters_clear_target): Declare.
6322         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
6323         as NULL if we aren't searching.
6324         (Add_symbols::run): Don't check for compatible target.
6325         * fileread.cc (Input_file::open_binary): Call
6326         parameters_force_valid_target.
6327         * gold.cc (queue_middle_tasks): Likewise.
6328         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
6329         set_target on object.
6330         * dynobj.h (class Sized_dynobj): Update declarations.
6331         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
6332         make_elf_object returns NULL.
6333         (Archive::include_member): Don't check whether object target is
6334         compatible.
6335         * output.cc (Output_section::add_input_section): Get target from
6336         parameters.
6337         (Output_section::relax_input_section): Likewise.
6338         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
6339         parameters.
6340         (Sized_relobj::do_scan_relocs): Likewise.
6341         (Sized_relobj::relocate_sections): Likewise.
6342         * resolve.cc (Symbol_table::resolve): Likewise.
6343         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
6344         parameter.  Change all callers.
6345         (Symbol_table::add_from_object): Get target from parameters.
6346         (Symbol_table::add_from_relobj): Don't check object target.
6347         (Symbol_table::add_from_dynobj): Likewise.
6348         (Symbol_table::define_special_symbol): Get target from
6349         parameters.
6350         * symtab.h (class Symbol_table): Update declaration.
6351         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
6352         parameter.  Change all callers.  Clear parameter target.
6353         (Binary_test): Test target here.
6354         * testsuite/object_unittest.cc (gold_testsuite): Remove
6355         target_test_pointer parameter.  Change all callers.
6356         (Object_test): Test target here.
6357
6358 2009-09-26  Ian Lance Taylor  <iant@google.com>
6359
6360         * testsuite/initpri1.c: Don't try to use constructor priorities if
6361         compiling with gcc before 4.3.
6362
6363 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
6364
6365         * testsuite/retain_symbols_file_test.sh (check_present): Change
6366         output file name to retain_symbols_file_test.stdout.
6367         (check_absent): Likewise.
6368
6369 2009-09-18  Craig Silverstein  <csilvers@google.com>
6370
6371         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
6372         * options.cc: Include <cerrno> and <fstream>.
6373         (General_options::finalize): Parse -retain-symbols-file tag.
6374         * options.h: New flag.
6375         (General_options): New method should_retain_symbol, new
6376         variable symbols_to_retain.
6377         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
6378         should_retain_symbol map.
6379         * testsuite/Makefile.am (retain_symbols_file_test): New test.
6380         * testsuite/Makefile.in: Regenerate.
6381         * testsuite/retain_symbols_file_test.sh: New file.
6382
6383 2009-09-18  Nick Clifton  <nickc@redhat.com>
6384
6385         * po/es.po: Updated Spanish translation.
6386
6387 2009-09-17  Doug Kwan  <dougkwan@google.com>
6388
6389         * debug.h (DEBUG_RELAXATION): New constant.
6390         (DEBUG_ALL): Add DEBUG_RELAXATION.
6391         (debug_string_to_enum): Add relaxation debug option.
6392         * layout.cc
6393         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
6394         Layout::Relaxation_debug_check::read_sections,
6395         Layout::Relaxation_debug_check::read_sections): New method definitions.
6396         (Layout::Layout): Initialize data members
6397         record_output_section_data_from_scrips_,
6398         script_output_section_data_list_ and relaxation_debug_check_.
6399         (Layout::save_segments, Layout::restore_segments,
6400         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
6401         Layout::relaxation_loop_body): New method definitions.
6402         (Layout::finalize): Support relaxation.  Move section layout code to
6403         Layout::relaxation_loop_body.
6404         (Layout::set_asection_address_from_script): Move code for orphan
6405         section placement out.
6406         (Layout::place_orphan_sections_in_script): New method definition.
6407         * layout.h (Output_segment_headers, Output_file_header):
6408         New forward class declarations.
6409         (Layout::~Layout): Define.
6410         (Layout::new_output_section_data_from_script): New method definition.
6411         (Layout::place_orphan_sections_in_script): New method declaration.
6412         (Layout::Segment_states): New type declaration.
6413         (Layout::save_segments, Layout::restore_segments,
6414         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
6415         Layout::relaxation_loop_body): New method declarations.
6416         (Layout::Output_section_data_list): New type declaration.
6417         (Layout::Relaxation_debug_check): New class definition.
6418         (Layout::record_output_section_data_from_script_,
6419         Layout::script_output_section_data_list_, Layout::segment_states_,
6420         Layout::relaxation_debug_check_): New data members.
6421         * output.cc: (Output_section_headers::do_size): New method definition.
6422         (Output_section_headers::Output_section_headers): Move size
6423         computation to Output_section_headers::do_size.
6424         (Output_segment_headers::do_size): New method definition.
6425         (Output_file_header::Output_file_header): Move size computation to
6426         Output_file_header::do_size and call it.
6427         (Output_file_header::do_size): New method definition.
6428         (Output_data_group::Output_data_group): Adjust call to
6429         Output_section_data.
6430         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
6431         (Output_symtab_xindex::do_write): Add array bound check.
6432         (Output_section::Input_section::print_to_mapfile): Handle
6433         RELAXED_INPUT_SECTION_CODE.
6434         (Output_section::Output_section): Initialize data member checkpoint_.
6435         (Output_section::~Output_section): Delete checkpoint object pointed
6436         by checkpoint_.
6437         (Output_section::add_input_section): Always add an Input_section if
6438         relaxing.
6439         (Output_section::add_merge_input_section): Add assert.
6440         (Output_section::relax_input_section): New method definition.
6441         (Output_section::set_final_data_size): Set load address to zero for
6442         an unallocated section.
6443         (Output_section::do_address_and_file_offset_have_reset_values):
6444         New method definition.
6445         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
6446         Handle relaxed input section.
6447         (Output_section::sort_attached_input_sections): Checkpoint input
6448         section list lazily.
6449         (Output_section::get_input_sections): Change type of input_sections to
6450         list of Simple_input_section pointers.  Checkpoint input section list
6451         lazily.  Also handle relaxed input sections.
6452         (Output_section::add_input_section_for_script): Take a reference to
6453         a Simple_input_section object instead of Relobj pointer and section
6454         index as parameter.  Handle relaxed input sections.
6455         (Output_section::save_states, Output_section::restore_states): New
6456         method definitions.
6457         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
6458         (Output_data::is_data_size_fixed): New method definition.
6459         (Output_data::reset_addresss_and_file_offset): Do not reset data size
6460         if it is fixed.
6461         (Output_data::address_and_file_offset_have_reset_values): New method
6462         definition.
6463         (Output_data::do_address_and_file_offset_have_reset_values): New method
6464         definition.
6465         (Output_data::set_data_size): Check that data size is not fixed.
6466         (Output_data::fix_data_size): New method definition.
6467         (Output_data::is_data_size_fixed_): New data member.
6468         (Output_section_headers::set_final_data_size): New method definition.
6469         (Output_section_headers::do_size): New method declaration.
6470         (Output_segment_headers::set_final_data_size): New method definition.
6471         (Output_segment_headers::do_size): New method declaration.
6472         (Output_file_header::set_final_data_size)::New method definition.
6473         (Output_file_header::do_size)::New method declaration.
6474         (Output_section_data::Output_section_data): Add new parameter
6475         is_data_size_fixed and use it to fix data size.
6476         (Output_data_const::Output_data_const): Adjust call to base class
6477         constructor and fix data size.
6478         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
6479         base class constructor and fix data size.
6480         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
6481         base class constructor and fix data size.
6482         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
6483         class constructor and fix data size.
6484         (Output_data_group::set_final_data_size): New method definition.
6485         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
6486         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
6487         class constructor and fix data size.
6488         (Output_relaxed_input_section): New class definition.
6489         (Output_section::Simple_input_section): New class definition.
6490         (Output_section::get_input_sections): Adjust parameter list.
6491         (Output_section::add_input_section_for_script): Same.
6492         (Output_section::save_states, Output_section::restore_states,
6493         Output_section::do_address_and_file_offset_have_reset_values,
6494         (Output_section::Input_section::Input_section): Handle
6495         RELAXED_INPUT_SECTION_CODE.  Add new overload for
6496         Output_relaxed_input_section.
6497         (Output_section::Input_section::is_input_section,
6498         Output_section::Input_section::set_output_section): Handle relaxed
6499         input section.
6500         (Output_section::Input_section::is_relaxed_input_section,
6501         Output_section::Input_section::output_section_data,
6502         Output_section::Input_section::relaxed_input_section): New method
6503         definitions.
6504         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
6505         value.
6506         (Output_section::Input_section::u1_): Update comments.
6507         (Output_section::Input_section::u2_): Add new union member poris.
6508         (Output_section::Checkpoint_output_section): New classs definition.
6509         (Output_section::relax_input_section): New method declaration.
6510         (Output_section::checkpoint_): New data member.
6511         (Output_segment): Update comments.
6512         (Output_segment::Output_segment): Un-privatize copy constructor.
6513         (Output_segment::operator=): Un-privatize.
6514         * script-sections.cc (Output_section_element::Input_section_list):
6515         Change element type to Output_section::Simple_input_section.
6516         (Output_section_element_dot_assignment::set_section_addresses):
6517         Register output section data for relaxation clean up.
6518         (Output_data_exression::Output_data_expression): Adjust call to base
6519         constructor to fix data size.
6520         (Output_section_element_data::set_section_addresses): Register
6521         Output_data_expression object for relaxation clean up.
6522         (struct Input_section_info): Replace Relobj pointer and section index
6523         pair with Output_section::Simple_input_section and Convert struct to a
6524         class.
6525         (Input_section_sorter::operator()): Adjust access to
6526         Input_section_info data member to use accessors.
6527         (Output_section_element_input::set_section_addresses): Use layout
6528         parameter.  Adjust code to use Output_section::Simple_input_section
6529         and Input_secction_info classes.  Register filler for relaxation
6530         clean up.
6531         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
6532         and section index pair with Output_section::Simple_input_section
6533         class.  Adjust code accordingly.
6534         (Phdrs_element::release_segment): New method definition.
6535         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
6536         segment list.
6537         (Script_sections::release_segments): New method definition.
6538         * gold/script-sections.h (Script_sections::release_segments): New
6539         method declaration.
6540         * gold/target.h (Target::may_relax, Target::relax,
6541         Target::do_may_relax, Target::do_relax): New method definitions.
6542
6543 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6544
6545         * arm.cc (has_signed_unsigned_overflow): New function.
6546         (Arm_relocate_functions::abs8): New function.
6547         (Target_arm::Scan::local): Handle R_ARM_ABS8.
6548         (Target_arm::Scan::global): Likewise.
6549         (Target_arm::relocate::relocate): Likewise.
6550         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6551         Likewise.
6552
6553 2009-09-16  Cary Coutant  <ccoutant@google.com>
6554
6555         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
6556         * testsuite/Makefile.in: Regenerate.
6557
6558 2009-09-11  Nick Clifton  <nickc@redhat.com>
6559
6560         * po/gold.pot: Updated by the Translation project.
6561
6562 2009-09-08  Cary Coutant  <ccoutant@google.com>
6563
6564         * output.cc (Output_file::open): Add execute permission to empty file.
6565         * testsuite/Makefile.am (permission_test): New test.
6566         * testsuite/Makefile.in: Regenerate.
6567
6568 2009-09-02  Ian Lance Taylor  <iant@google.com>
6569
6570         * output.cc (Output_file::resize): Call map_no_anonymous rather
6571         than map.
6572
6573 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
6574
6575         * gold.cc: Include "incremental.h".
6576         (queue_initial_tasks): Call Incremental_checker methods.
6577         * incremental.cc: Include "output.h".
6578         (Incremental_checker::can_incrementally_link_output_file): New
6579         method.
6580         * incremental.h (Incremental_checker): New class.
6581
6582         * output.cc (Output_file::open_for_modification): New method.
6583         (Output_file::map_anonymous): Changed return type to bool.  Record
6584         map in base_ field.
6585         (Output_file::map_no_anonymous): New method, broken out of map.
6586         (Output_file::map): Use map_no_anonymous and map_anonymous.
6587         * output.h (class Output_file): Update declarations.
6588
6589 2009-08-24  Cary Coutant  <ccoutant@google.com>
6590
6591         * options.h (Command_line::Pre_options): New class.
6592         (Command_line::pre_options): New member.
6593         * options.cc (gold::options::ready_to_register): New variable.
6594         (One_option::register_option): Do nothing if not registering options.
6595         Assert if same short option registered twice.
6596         (General_options::General_options): Turn off option registration when
6597         done constructing.
6598         (Command_line::Pre_options::Pre_options): New constructor.
6599
6600 2009-08-24  Cary Coutant  <ccoutant@google.com>
6601
6602         * options.h (General_options::no_keep_memory): Remove incorrect
6603         short option.
6604
6605 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6606
6607         * Makefile.am (am__skiplex, am__skipyacc): New.
6608         * Makefile.in: Regenerate.
6609
6610 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6611
6612         * Makefile.am (AM_CPPFLAGS): Renamed from ...
6613         (INCLUDES): ... this.
6614         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
6615         (AM_CPPFLAGS): Renamed from ...
6616         (INCLUDE): ... this.
6617         * Makefile.in, testsuite/Makefile.in: Regenerate.
6618
6619         * Makefile.in: Regenerate.
6620         * aclocal.m4: Likewise.
6621         * config.in: Likewise.
6622         * configure: Likewise.
6623         * testsuite/Makefile.in: Likewise.
6624
6625         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
6626         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
6627         * Makefile.in: Regenerate.
6628         * testsuite/Makefile.in: Regenerate.
6629
6630 2009-08-19  Cary Coutant  <ccoutant@google.com>
6631
6632         * resolve.cc (Symbol_table::resolve): Don't complain about defined
6633         symbols in shared libraries overridden by hidden or internal symbols
6634         in the main program.
6635
6636 2009-08-19  Chris Demetriou  <cgd@google.com>
6637
6638         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
6639         checking source file names in error messages.
6640
6641 2009-08-18  Doug Kwan  <dougkwan@google.com>
6642
6643         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
6644         an elcpp::Ehdr as parameter.  Adjust call to set_target.
6645         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
6646         an elfcpp::Ehdr as parameter.
6647         * object.cc (Object::set_target): Remove the version that looks up
6648         a target and sets it.
6649         (Sized_relobj::setup): Take a Target object instead of
6650         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
6651         (make_elf_sized_object): Find target and ask target to
6652         make an ELF object.
6653         * object.h: (Object::set_target): Remove the version that looks up
6654         a target and sets it.
6655         (Sized_relobj::setup): Take a Target object instead of
6656         an elfcpp:Ehdr as parameter.
6657         * target.cc: Include dynobj.h.
6658         (Target::do_make_elf_object_implementation): New.
6659         (Target::do_make_elf_object): New.
6660         * target.h (Target::make_elf_object): New template declaration.
6661         (Target::do_make_elf_object): New method declarations.
6662         (Target::do_make_elf_object_implementation): New template declaration.
6663
6664 2009-08-14  Ian Lance Taylor  <iant@google.com>
6665
6666         * gold.h (FUNCTION_NAME): Define.
6667         (gold_unreachable): Use FUNCTION_NAME.
6668
6669 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6670
6671         * icf.cc (Icf::find_identical_sections): Issue a warning when a
6672         symbol in the --keep-unique list is not found.
6673
6674 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6675
6676         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
6677         been maked as --keep-unique.
6678         (Icf::unfold_section): New function.
6679         * icf.h (Icf::unfold_section): New function.
6680         * options.h (General_options::keep_unique): New option.
6681         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
6682         * testsuite/Makefile.in: Regenerate.
6683         * testsuite/icf_keep_unique_test.sh: New file.
6684         * testsuite/icf_keep_unique_test.cc: New file.
6685
6686 2009-08-12  Cary Coutant  <ccoutant@google.com>
6687
6688         PR 10471
6689         * resolve.cc (Symbol_table::resolve): Check for references from
6690         dynamic objects to hidden and internal symbols.
6691         * testsuite/Makefile.am (hidden_test.sh): New test.
6692         * testsuite/Makefile.in: Regenerate.
6693         * testsuite/hidden_test.sh: New script.
6694         * testsuite/hidden_test_1.c: New test source.
6695         * testsuite/hidden_test_main.c: New test source.
6696
6697 2009-08-11  Doug Kwan  <dougkwan@google.com>
6698
6699         * arm.cc: Update comments.
6700         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
6701         segment to locate the .ARM.exidx section if present.
6702
6703 2009-08-09  Doug Kwan  <dougkwan@google.com>
6704
6705         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
6706         patch.
6707
6708 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
6709         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
6710         compiler warnings.
6711
6712 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
6713
6714         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
6715         valid tls_segment only for non-debug-section relocations.
6716         * testsuite/Makefile.am: Add gc_tls_test.
6717         * testsuite/Makefile.in: Regenerate.
6718         * testsuite/gc_tls_test.cc: New file.
6719         * testsuite/gc_tls_test.sh: New file.
6720
6721 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
6722
6723         * icf.cc: New file.
6724         * icf.h: New file.
6725         * Makefile.am (CCFILES): Add icf.cc.
6726         (HFILES): Add icf.h
6727         * Makefile.in: Regenerate.
6728         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
6729         * gc.h (gc_process_relocs): Populate lists used by icf to contain
6730         section, symbol and addend information for the relocs.
6731         * gold.cc (queue_middle_tasks): Call identical code folding.
6732         * gold.h: Add defines for multimap.
6733         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
6734         to the call of finalize_local_symbols.
6735         * main.cc (main): Create object of class Icf.
6736         * object.cc (Sized_relobj::do_layout): Allow this function to be
6737         called twice during icf.
6738         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
6739         to sections marked as identical by icf.
6740         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
6741         when available.
6742         (Sized_relobj::do_section_entsize): New function.
6743         * object.h (Object::section_entsize): New function.
6744         (Object::do_section_entsize): New pure virtual function.
6745         (Relobj::finalize_local_symbols): Add new parameter.
6746         (Relobj::do_section_entsize): New function.
6747         * options.h (General_options::icf): New option.
6748         (General_options::icf_iterations): New option.
6749         (General_options::print_icf_sections): New option.
6750         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
6751         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
6752         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
6753         icf.
6754         * symtab.cc (Symbol_table::is_section_folded): New function.
6755         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
6756         to sections marked as identical by icf.
6757         * symtab.h (Symbol_table::set_icf): New function.
6758         (Symbol_table::icf): New function.
6759         (Symbol_table::is_section_folded): New function.
6760         (Symbol_table::icf_): New data member.
6761         * target-reloc.h (relocate_section): Ignore sections folded by icf.
6762         * testsuite/Makefile.am: Add commands to build icf_test.
6763         * testsuite/Makefile.in: Regenerate.
6764         * testsuite/icf_test.sh: New file.
6765         * testsuite/icf_test.cc: New file.
6766
6767 2009-07-24  Chris Demetriou  <cgd@google.com>
6768
6769         * layout.cc (is_compressible_debug_section): Fix incorrect
6770         comment about compressed section names.
6771
6772 2009-07-20  Ian Lance Taylor  <ian@airs.com>
6773
6774         PR 10419
6775         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
6776
6777 2009-07-16  Ian Lance Taylor  <iant@google.com>
6778
6779         PR 10400
6780         * layout.h: #include <map>.
6781         (class Kept_section): Change from struct to class.  Add accessors
6782         and setters.  Add section size to Comdat_group mapping.  Change
6783         Comdat_group to std::map.  Add is_comdat_ field.  Add
6784         linkonce_size field in union.
6785         (class Layout): Update declaration of find_or_add_kept_section.
6786         Don't declare find_kept_object.
6787         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
6788         parameter.  Add object, shndx, is_comdat, and is_group_name
6789         parameters.  Change all callers.  Adjust for new Kept_section.
6790         (Layout::find_kept_object): Remove.
6791         * object.cc (Sized_relobj::include_section_group): Update use of
6792         Kept_section.  Rename secnum to shndx.  Only record
6793         Kept_comdat_section if sections are the same size.
6794         (Sized_relobj::include_linkonce_section): Update use of
6795         Kept_section.  Only record Kept_comdat_section if sections are the
6796         same size.  Set size of linkonce section.
6797         (Sized_relobj::map_to_kept_section): Update call to
6798         get_kept_comdat_section.
6799         * object.h (class Sized_relobj): Rename fields in
6800         Kept_comdat_section to drop trailing underscores; change object
6801         field to Relobj*.  Change Kept_comdat_section_table to store
6802         struct rather than pointer.
6803         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
6804         Add kept_object and kept_shndx parameters.  Change all callers.
6805         (Sized_relobj::get_kept_comdat_section): Change return type to
6806         bool.  Add kept_object and kept_shndx parameters.  Change all
6807         callers.
6808         * plugin.cc (Pluginobj::include_comdat_group): Update call to
6809         Layout::find_or_add_kept_section.
6810
6811 2009-07-09  Ian Lance Taylor  <iant@google.com>
6812
6813         * merge.cc (Object_merge_map::initialize_input_to_output_map):
6814         Reserve space in the hash table.
6815
6816 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
6817
6818         * fileread.cc (File_read::get_mtime): New method.
6819         * fileread.h (Timespec): New structure.
6820         (File_read::get_mtime): New method.
6821         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
6822         Renamed from timestamp_nsec.
6823         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
6824         Elf_Xword.
6825         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
6826         timestamp_nsec.
6827         (Incremental_inputs::report_archive): Save mtime; style fix.
6828         (Incremental_inputs::report_obejct): Save mtime; style fix.
6829         (Incremental_inputs::report_script): Save mtime; style fix.
6830         (Incremental_inputs::finalize_inputs): Style fix.
6831         (Incremental_inputs::finalize): Style fix.
6832         (Incremental_inputs::create_input_section_data): Store inputs
6833         mtime.
6834         * incremental.h (Incremental_inputs::report_script): Add mtime
6835         argument.
6836         (Incremental_inputs::Input_info::Input_info): Intialize only one
6837         union member.
6838         (Incremental_inputs::Input_info::archive): Move to nameless
6839         union.
6840         (Incremental_inputs::Input_info::obejct): Move to nameless union.
6841         (Incremental_inputs::Input_info::script): Move to nameless union.
6842         (Incremental_inputs::mtime): New field.
6843         * script.cc (read_input_script): Pass file mtime to
6844         Incremental_input.
6845         * script.h (Script_info::inputs): Style fix.
6846
6847 2009-07-01  Ian Lance Taylor  <ian@airs.com>
6848
6849         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
6850         instead of 32.
6851
6852 2009-06-24  Ian Lance Taylor  <iant@google.com>
6853
6854         PR 10156
6855         * layout.cc (Layout::choose_output_section): If we find an
6856         existing section, update the flags.
6857         (Layout::create_notes): New function, broken out of
6858         Layout::finalize.
6859         (Layout::finalize): Don't create note sections.
6860         (Layout::create_note): Don't crash if linker script discards
6861         section.
6862         (Layout::create_gold_note): Likewise.
6863         (Layout::create_build_id): Likewise.  Don't set
6864         after_input_sections on the section.
6865         (Layout::create_executable_stack_info): Remove target parameter.
6866         Change caller.
6867         * layout.h (class Layout): Declare create_notes.  Update
6868         declaration of create_executable_stack_info.
6869         * gold.cc (queue_middle_tasks): Call create_notes.
6870         * output.cc (Output_section::update_flags_for_input_section): Move
6871         here from output.h.  If SHF_ALLOC flag is newly set, mark address
6872         invalid.
6873         * output.h (Output_data::mark_address_invalid): New function.
6874         (class Output_section): Only declare, not define,
6875         update_flags_for_input_section.  Remove set_flags.
6876
6877 2009-06-24  Ian Lance Taylor  <iant@google.com>
6878
6879         * script-sections.cc (Output_section_definition::
6880         set_section_addresses): Rename shadowing local load_address to
6881         laddr.
6882
6883 2009-06-24  Ian Lance Taylor  <iant@google.com>
6884
6885         PR 10244
6886         * reloc.cc (relocate_sections): Skip empty relocation sections.
6887
6888 2009-06-23  Ian Lance Taylor  <iant@google.com>
6889
6890         PR 10156
6891         * layout.cc (Layout::create_note): Use choose_output_section
6892         rather than make_output_section.
6893
6894 2009-06-23  Ian Lance Taylor  <iant@google.com>
6895
6896         PR 10237
6897         * options.cc (General_options::parse_V): Set printed_version_.
6898         (General_options::General_options): Initialize printed_version_.
6899         * options.h (class General_options): Add printed_version_ field.
6900         * gold.cc (queue_initial_tasks): If there are no input files,
6901         don't give a fatal error if we printed the version information.
6902         (queue_middle_tasks): If using -r with a shared object, give a
6903         fatal error rather than an ordinary error.
6904
6905 2009-06-23  Ian Lance Taylor  <iant@google.com>
6906
6907         PR 10219
6908         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6909         (Layout::make_output_section): Set have_stabstr_section_ if we see
6910         a .stab*str section.
6911         (Layout::finalize): Call link_stabs_sections.
6912         (Layout::link_stabs_sections): New file.
6913         * layout.h (class Layout): Add have_stabstr_section_ field.
6914         Declare link_stabs_sections.
6915
6916 2009-06-23  Doug Kwan  <dougkwan@google.com>
6917
6918         * Makefile.am (libgold_a_LIBADD): New.
6919         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6920         * Makefile.in: Regenerate.
6921         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6922         * configure: Regenerate.
6923         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6924         * fileread.cc: Include sys/state.h
6925         * gold.h: Declare memmem and strndup if found missing.
6926         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6927
6928 2009-06-23  Ian Lance Taylor  <iant@google.com>
6929
6930         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6931         * configure: Rebuild.
6932
6933 2009-06-23  Ian Lance Taylor  <iant@google.com>
6934
6935         PR 10147
6936         * object.cc (Object::section_contents): Don't try to get a view if
6937         the section has length zero.
6938         (Object::handle_gnu_warning_section): If the section is empty, use
6939         the name of the section as the warning.
6940
6941 2009-06-23  Ian Lance Taylor  <iant@google.com>
6942
6943         PR 10133
6944         * stringpool.h (class Stringpool_template): Add optimize_ field.
6945         (Stringpool_template::set_optimize): New function.
6946         * stringpool.cc (Stringpool_template::Stringpool_template):
6947         Initialize optimize_ field.
6948         (Stringpool_template::set_string_offsets): Test local optimize
6949         fild rather than parameter.
6950         * layout.cc (Layout::Layout): Call set_optimize on the section
6951         name stringpool.
6952
6953 2009-06-22  Ian Lance Taylor  <iant@google.com>
6954
6955         PR 10030
6956         * yyscript.y: Parse TARGET.
6957         * script.cc (script_set_target): New function.
6958         * script-c.h (script_set_target): Declare.
6959         * options.cc (General_options::string_to_object_format): Rename
6960         from string_to_object_format in anonymous namespace.  Change
6961         callers.
6962         * options.h (class General_options): Declare
6963         string_to_object_format.
6964
6965 2009-06-22  Ian Lance Taylor  <iant@google.com>
6966
6967         * script-sections.cc (Script_sections::create_segments): Don't put
6968         program headers in a PT_LOAD segment if -n or -N.
6969
6970 2009-06-22  Ian Lance Taylor  <iant@google.com>
6971
6972         PR 10141
6973         * options.h (class General_options): Add -z lazy and -z now.  Sort
6974         -z options into alphabetical order.
6975         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6976
6977 2009-06-21  Ian Lance Taylor  <iant@google.com>
6978
6979         * layout.cc (Layout::make_output_section): Call
6980         Target::new_output_section.
6981         (Layout::attach_allocated_section_to_segment): Put large section
6982         sections in a separate load segment with the large segment flag
6983         set.
6984         (Layout::segment_precedes): Sort large data segments after other
6985         load segments.
6986         (align_file_offset): New static function.
6987         (Layout::set_segment_offsets): Use align_file_offset.
6988         * output.h (class Output_section): Add is_small_section_ and
6989         is_large_section_ fields.
6990         (Output_section::is_small_section): New function.
6991         (Output_section::set_is_small_section):  New function.
6992         (Output_section::is_large_section): New function.
6993         (Output_section::set_is_large_section): New function.
6994         (Output_section::is_large_data_section): New function.
6995         (class Output_segment): Add is_large_data_segment_ field.
6996         (Output_segment::is_large_data_segment): New function.
6997         (Output_segment::set_is_large_data_segment): New function.
6998         * output.cc (Output_section::Output_section): Initialize new
6999         fields.
7000         (Output_segment::Output_segment): Likewise.
7001         (Output_segment::add_output_section): Add assertion that large
7002         data sections always go in large data segments.  Force small data
7003         sections to the end of the list of data sections.  Force small BSS
7004         sections to the start of the list of BSS sections.  For large BSS
7005         sections to the end of the list of BSS sections.
7006         * symtab.h (class Symbol): Declare is_common_shndx.
7007         (Symbol::is_defined): Check Symbol::is_common_shndx.
7008         (Symbol::is_common): Likewise.
7009         (class Symbol_table): Define enum Commons_section_type.  Update
7010         declarations.  Add small_commons_ and large_commons_ fields.
7011         * symtab.cc (Symbol::is_common_shndx): New function.
7012         (Symbol_table::Symbol_table): Initialize new fields.
7013         (Symbol_table::add_from_object): Put small and large common
7014         symbols in the right list.
7015         (Symbol_table::sized_finalized_symbol): Check
7016         Symbol::is_common_shndx.
7017         (Symbol_table::sized_write_globals): Likewise.
7018         * common.cc (Symbol_table::do_allocate_commons): Allocate new
7019         common symbol lists.  Don't call do_allocate_commons_list if the
7020         list is empty.
7021         (Symbol_table::do_allocate_commons_list): Remove is_tls
7022         parameter.  Add comons_section_type parameter.  Change all
7023         callers.  Handle small and large common symbols.
7024         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
7025         Symbol::is_common_shndx.
7026         * resolve.cc (symbol_to_bits): Likewise.
7027         * target.h (Target::small_common_shndx): New function.
7028         (Target::small_common_section_flags): New function.
7029         (Target::large_common_shndx): New function.
7030         (Target::large_common_section_flags): New function.
7031         (Target::new_output_section): New function.
7032         (Target::Target_info): Add small_common_shndx, large_common_shndx,
7033         small_common_section_flags, and large_common_section_flags
7034         fields.
7035         (Target::do_new_output_section): New virtual function.
7036         * arm.cc (Target_arm::arm_info): Initialize new fields.
7037         * i386.cc (Target_i386::i386_info): Likewise.
7038         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
7039         Likewise.
7040         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
7041         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7042         (Target_x86_64::do_new_output_section): New function.
7043         * configure.ac: Define conditional MCMODEL_MEDIUM.
7044         * testsuite/Makefile.am (check_PROGRAMS): Add large.
7045         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
7046         (large_LDFLAGS): Define.
7047         * testsuite/large.c: New file.
7048         * testsuite/testfile.cc (Target_test::test_target_info):
7049         Initialize new fields.
7050         * configure, testsuite/Makefile.in: Rebuild.
7051
7052 2009-06-05  Doug Kwan  <dougkwan@google.com>
7053
7054         * Makefile.am (CCFILES): Add target.cc.
7055         * Makefile.in: Regenerate.
7056         * i386.cc (class Target_i386): Define new virtual method to
7057         override do_is_local_label_name in parent.
7058         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7059         local symbols if --discard-locals or -X is given.
7060         * options.h (class General_options): Declare new options
7061         '--discard-locals' and '-X' for discarding locals.
7062         * target.h (class Target): Define new methods is_local_label_name.
7063         Declare new virtual method do_is_local_label_name.
7064         * target.cc: New file.
7065         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7066         (check_SCRIPTS): Add discard_locals_test.sh.
7067         (check_DATA): Add discard_local_tests.syms.
7068         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7069         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7070         * testsuite/Makefile.in: Regenerate.
7071         * testsuite/discard_locals_test.c: New file.
7072         * testsuite/discard_locals_test.sh: Same.
7073
7074 2009-06-05  Doug Kwan  <dougkwan@google.com>
7075
7076         * object.cc (Sized_relobj::Sized_relobj): Initialize
7077         discarded_eh_frame_shndx_ to -1U.
7078         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7079         section.
7080         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7081         a discarded .eh_frame section.
7082         (Sized_relobj::do_finalize_local_symbols): Ditto.
7083         * object.h (class Sized_relobj): Declare new member
7084         discarded_eh_frame_shndx_.
7085         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7086         (local_labels_test.o, local_labels_test): New rules.
7087         * testsuite/Makefile.in: Regenerate.
7088
7089 2009-06-04  Doug Kwan  <dougkwan@google.com>
7090
7091         * layout.cc (Layout::section_name_mapping): Add mapping for
7092         special ARM sections.
7093
7094 2009-06-03  Doug Kwan  <dougkwan@google.com>
7095
7096         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7097         (utils::has_overflow): Same.
7098
7099 2009-06-03  Ian Lance Taylor  <iant@google.com>
7100
7101         * layout.cc (Layout::section_name_mapping): New array, replacing
7102         Layout::linkonce_mapping.
7103         (Layout::section_name_mapping_count): New variable, replacing
7104         Layout::linkonce_mapping_count.
7105         (Layout::linkonce_output_name): Remove.
7106         (Layout::output_section_name): Rewrite.
7107         * layout.h (class Layout): Rename Linkonce_mapping to
7108         Section_name_mapping, linkonce_mapping to section_name_mapping,
7109         linkonce_mapping_count to section_name_mapping_count.  Don't
7110         declare linkonce_output_name.
7111
7112 2009-06-03  Doug Kwan  <dougkwan@google.com>
7113
7114         * gold/arm.cc (namespace utils): New.
7115         (Target_arm::reloc_is_non_pic): Define new method.
7116         (class Arm_relocate_functions): New.
7117         (Target_arm::Relocate::relocate): Handle relocation types used by
7118         Android.
7119
7120 2009-06-03  Ian Lance Taylor  <iant@google.com>
7121
7122         * arm.cc (Target_arm::scan::global): Use || instead of |.
7123
7124 2009-06-02  Doug Kwan  <dougkwan@google.com>
7125
7126         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7127         issued_non_pic_error_.
7128         (class Target_arm::Scan): Declare new method check_non_pic.
7129         Define new method symbol_needs_plt_entry.
7130         Declare new data member issued_non_pic_error_.
7131         (class Target_arm::Relocate): Declare new method
7132         should_apply_static_reloc.
7133         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7134         (Target_arm::Scan::check_non_pic): Define new method.
7135         (Target_arm::Scan::local): Handle a small subset of reloc types used
7136         by Android.
7137         (Target_arm::Scan::local): Same.
7138         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7139
7140 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7141
7142         * incremental.cc (Incremental_inputs::report_command_line): Filter
7143         out --incremental-* options.
7144
7145 2009-05-29  Doug Kwan  <dougkwan@google.com>
7146
7147         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7148         template class.
7149         (class Target_arm): Update comment.
7150         (Target_arm::Target_arm): Initialize new data members GOT_,
7151         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7152         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7153         and Target_arm::rel_dyn_section.
7154         Declare new_enum Target_arm::Got_type.
7155         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7156         and DYNBSS_.
7157         Update commments for member do_dynsym_value.
7158         (Target_arm::got_size, Target_arm::plt_section,
7159         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7160         new methods inside class defintion.
7161         (Target_arm::got_section): Define new method.
7162         (Target_arm::rel_dyn_section): Same.
7163         (Output_data_plt_arm): New template class.
7164         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7165         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7166         (Output_data_plt_arm::add_entry): Same.
7167         (Output_data_plt_arm::first_plt_entry): Define new
7168         static data member for PLT instruction template.
7169         (Output_data_plt_arm::plt_entry): Same.
7170         (Output_data_plt_arm::do_write): Define new method.
7171         (Target_arm::make_plt_entry): Same.
7172         (Target_arm::do_finalize_sections): Same.
7173         (Target_arm::do_dynsym_value): Same.
7174
7175 2009-05-28  Doug Kwan  <dougkwan@google.com>
7176
7177         * Makefile.am (TARGETSOURCES): Add arm.cc.
7178         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7179         * Makefile.in: Regenerate.
7180         * arm.cc: New file.
7181         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7182
7183 2009-05-26  Doug Kwan  <dougkwan@google.com>
7184
7185         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7186         (General_options::check_excluded_libs): Strip off directories in
7187         archive name before matching like GNU ld does.
7188         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7189         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7190         (exclude_libs_test_LDFLAGS): Add linker option
7191         -Wl,--exclude-libs,libexclude_libs_test_3
7192         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7193         an explicit archive without using -l.
7194         (alt/libexclude_libs_test_3.a): New make rule.
7195         * testsuite/Makefile.in: Regenerate.
7196         * testsuite/exclude_libs_test.c : Declare lib3_default().
7197         (main): Call it.
7198         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7199         * exclude_libs_test_3.c: New file.
7200
7201 2009-05-26  Nick Clifton  <nickc@redhat.com>
7202
7203         * po/id.po: New Indonesian translation.
7204         * po/gold.pot: Updated template file.
7205
7206 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7207
7208         * testsuite/Makefile.am: Add -ffunction-sections to compile
7209         gc_comdat_test files.  Add -Wl,--gc-sections to build
7210         gc_comdat_test.
7211         * testsuite/Makefile.in: Regenerate.
7212         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7213
7214 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7215
7216         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7217         kept comdat section was garbage collected.
7218         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7219         * testsuite/Makefile.in: Regenerate.
7220         * testsuite/gc_comdat_test.sh: New file.
7221         * testsuite/gc_comdat_test_1.cc: New file.
7222         * testsuite/gc_comdat_test_2.cc: New file.
7223
7224 2009-05-19  Doug Kwan  <dougkwan@google.com>
7225
7226         * archive.cc (Archive::Archive): Move constructor from archive.h
7227         to here.  Initialize no_export_.
7228         (Archive::get_elf_object_for_member): Set no_export flag of object.
7229         * archive.h (Archive::Archive): Move constructor body to
7230         archive.cc.
7231         (Archive::no_export): New method.
7232         (Archive::no_export_): New field.
7233         * object.h (Object::Object): Initialize no_export_ to false.
7234         (Object::no_export, Object::set_no_export): New methods.
7235         (Object::no_export_): New field.
7236         * options.cc (General_options::parse_exclude_libs): New method.
7237         (General_options::check_excluded_libs) Same.
7238         * options.h (exclude_libs): New option.
7239         (General_options::check_excluded_libs): New method declaration.
7240         (General_options::excluded_libs_): New field.
7241         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
7242         default or protected visibility if an object has no-export flag set.
7243         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
7244         (check_SCRIPTS): Add exclude_libs_test.sh.
7245         (check_DATA): Add exclude_libs_test.syms.
7246         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
7247         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
7248         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
7249         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
7250         (exclude_libs_test.syms, libexclude_libs_test_1.a,
7251         libexclude_libs_test_2.a): New rules.
7252         * testsuite/Makefile.in: Regenerate.
7253         * testsuite/exclude_libs_test.c: New file.
7254         * testsuite/exclude_libs_test.sh: Ditto.
7255         * testsuite/exclude_libs_test_1.c: Ditto.
7256         * testsuite/exclude_libs_test_2.c: Ditto.
7257
7258 2009-05-15  Ian Lance Taylor  <iant@google.com>
7259
7260         * configure.ac: Check for declarations for cases where libiberty.h
7261         checks HAVE_DECL_xxx.
7262         * configure, config.in: Rebuild.
7263
7264 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
7265
7266         * gold.h (Incremental_argument_list): Remove (invalid) forward
7267         declaration.
7268         * incremental.cc (Incremental_inputs::report_achive): New method.
7269         (Incremental_inputs::report_object): New method.
7270         (Incremental_inputs::report_script): New method.
7271         (Incremental_inputs::finalize_inputs): New method.
7272         (Incremental_inputs::finalize): Call finalize_inputs().
7273         (Incremental_inputs::sized_create_incremental_inputs_section_data):
7274         Create inputs entries.
7275         * incremental.h (Incremental_input_type): New enum.
7276         (Incremental_inputs::Incremental_input): Initialize new fields.
7277         (Incremental_inputs::report_inputs): New method.
7278         (Incremental_inputs::report_achive): New method.
7279         (Incremental_inputs::report_object): New method.
7280         (Incremental_inputs::report_script): New method.
7281         (Incremental_inputs::finalize_inputs): New method.
7282         (Incremental_inputs::Input_info): New struct.
7283         (Incremental_inputs::Input_info_map): New typedef.
7284         (Incremental_inputs::lock_): New field.
7285         (Incremental_inputs::Inputs_): New field.
7286         (Incremental_inputs::Inputs_map): New field.
7287         * main.cc (main): Call Incremental_input::report_inputs.
7288         * options.h (Input_argument_list): Typedef moved from
7289         Input_arguments.
7290         (Input_file_group::Files): Remove, use ::Input_argument_list.
7291         (Input_file_group::Input_argument_list): Remove, use
7292         ::Input_argument_list.
7293         * plugin.cc (Plugin_manager::add_input_file): Add error in
7294         incremental build.
7295         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
7296         functions.
7297         * script.cc (read_input_script): Call
7298         Incremental_input::report_script.
7299         * script.h (Script_info): New class.
7300
7301 2009-04-27  Ian Lance Taylor  <iant@google.com>
7302
7303         * x86_64.cc (do_adjust_output_section): Set entsize to
7304         plt_entry_size.
7305
7306 2009-04-23  Elliott Hughes  <enh@google.com>
7307
7308         * output.cc (Output_file::close): After short writes, continue
7309         writing from the correct offset in the buffer being written.
7310
7311 2009-04-23  Chris Demetriou  <cgd@google.com>
7312
7313         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
7314         * configure: Regenerate.
7315         * config.in: Regenerate.
7316         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
7317         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
7318
7319 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
7320
7321         * incremental.cc (Incremental_inputs_header_data): Renamed from
7322         Incremental_input_header_data.
7323         (Incremental_inputs_header_data::data_size): New field.
7324         (Incremental_inputs_header_data::put_input_file_count): Renamed
7325         from input_file_count.
7326         (Incremental_inputs_header_data::put_command_line_offset): Renamed
7327         from command_line_offset.
7328         (Incremental_inputs_header_data::put_reserved): Renamed from
7329         put_reserved.
7330         (Incremental_inputs_entry_data): Renamed from
7331         Incremental_input_entry_data.
7332         (Incremental_inputs_entry_data::data_size): New field.
7333         (Incremental_inputs::report_command_line): New method.
7334         (Incremental_inputs::finalize): New method.
7335         (Incremental_inputs::create_incremental_inputs_data): New method.
7336         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
7337         * incremental.h: New file.
7338         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
7339        (Layout::finalize): Create incremental inputs section in
7340         incremental builds.
7341        (Layout::create_incremental_info_sections): New method.
7342         * layout.h (Layout::incremental_inputs): New method.
7343        (Layout::create_incremental_info_sections): New method.
7344        (Layout::incremental_inputs_): New field.
7345         * main.cc (main): Notify Incremental_input of the command line.
7346
7347 2009-04-01  Ian Lance Taylor  <iant@google.com>
7348             Mikolaj Zalewski  <mikolajz@google.com>
7349
7350         * gold.h (reserve_unordered_map): Define, three versions, one for
7351         each version of Unordered_map.
7352         * layout.cc (Layout::Layout): Remove options parameter.  Add
7353         number_of_input_files parameter.  Don't initialize options_.
7354         Initialize number_of_input_files_ and resized_signatures_.  Move
7355         sections_are_attached_.
7356         (Layout::layout_group): Reserve space for group_signatures_.
7357         (Layout::find_or_add_kept_section): Change name parameter to be a
7358         reference.  Resize signatures_ map when it gets large enough.
7359         (Layout::layout_eh_frame): Use parameters->options() instead of
7360         this->options_.
7361         (Layout::make_output_section): Likewise.
7362         (Layout::attach_allocated_section_to_segment): Likewise.
7363         (Layout::finalize, Layout::create_executable_stack): Likewise.
7364         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
7365         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
7366         * layout.h (class Layout): Update declarations.  Remove options_
7367         field.  Add number_of_input_files_ and resized_signatures_
7368         fields.  Move sections_are_attached_ field.
7369         * main.cc (main): Pass number of input files to Layout
7370         constructor.  Don't pass options.
7371
7372 2009-03-30  Ian Lance Taylor  <iant@google.com>
7373
7374         * ffsll.c (ffsll): Correct implementation.
7375
7376 2009-03-27  Ian Lance Taylor  <iant@google.com>
7377
7378         * ffsll.c: New file.
7379         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
7380         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
7381         * ftruncate.c (ftruncate): Declare before definition.
7382         * mremap.c (mremap): Likewise.
7383         * pread.c (pread): Likewise.
7384         * configure, Makefile.in, config.in: Rebuild.
7385
7386         * mremap.c: New file.
7387         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
7388         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
7389         (mremap): Declare if HAVE_MREMAP is not defined.
7390         * configure, Makefile.in, config.in: Rebuild.
7391
7392 2009-03-27  Cary Coutant  <ccoutant@google.com>
7393
7394         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
7395         position independent.
7396         * sparc.cc (Target_sparc::check_non_pic): Likewise.
7397         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
7398
7399 2009-03-24  Cary Coutant  <ccoutant@google.com>
7400
7401         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
7402         an executable.
7403         (needs_dynamic_reloc): Likewise.
7404
7405 2009-03-24  Ian Lance Taylor  <iant@google.com>
7406
7407         * yyscript.y (file_cmd): Recognize EXTERN.
7408         (extern_name_list, extern_name_list_body): New nonterminals.
7409         * script.cc (script_add_extern): Define.
7410         * script-c.h (script_add_extern): Declare.
7411
7412 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
7413
7414         * object.cc (is_elf_object): Define.
7415         * object.h (is_elf_object): Declare.
7416         * archive.cc (Archive::get_elf_object_for_member): Call
7417         is_elf_object.
7418         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
7419
7420 2009-03-24  Elliott Hughes  <enh@google.com>
7421
7422         * output.cc (Output_file::map_anonymous): Define.
7423         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
7424         try an anonymous one.  Report the size if the mmap fails.
7425         * output.h (class Output_file): Declare map_anonymous.
7426
7427 2009-03-24  Ian Lance Taylor  <iant@google.com>
7428
7429         * target-select.cc (instantiate_target): Don't acquire the lock if
7430         the instantiated_target_ field has already been set.
7431
7432 2009-03-23  Ian Lance Taylor  <iant@google.com>
7433
7434         * gold-threads.h (class Initialize_lock): Define.
7435         * gold-threads.cc (class Initialize_lock_once): Define.
7436         (initialize_lock_control): New static variable.
7437         (initialize_lock_pointer): New static variable.
7438         (initialize_lock_once): New static function.
7439         (Initialize_lock::Initialize_lock): Define.
7440         (Initialize_lock::initialize): Define.
7441         * target-select.h: Include "gold-threads.h".
7442         (class Target_selector): Add lock_ and initialize_lock_ fields.
7443         Don't define instantiate_target, just declare it.
7444         * target-select.cc (Target_selector::Target_selector): Initialize
7445         new fields.
7446         (Target_selector::instantiate_target): Define.
7447         * descriptors.h: Include "gold-threads.h".
7448         (class Descriptors): Add initialize_lock_ field.
7449         * descriptors.cc (Descriptors::Descriptors): Initialize new
7450         field.
7451         (Descriptors::open): Use initialize_lock_ field
7452         * errors.h (class Errors): Add initialize_lock_ field.
7453         * errors.cc (Errors::Errors): Initialize new field.
7454         (Errors::initialize_lock): Use initialize_lock_ field.
7455         * powerpc.cc (class Target_selector_powerpc): Remove
7456         instantiated_target_ field.  In do_recognize call
7457         instantiate_target rather than do_instantiate_target.  In
7458         do_instantiate_target just allocate a new target.
7459         * sparc.cc (class Target_selector_sparc): Likewise.
7460
7461         * freebsd.h: New file.
7462         * i386.cc: Include "freebsd.h".
7463         (Target_i386): Derive from Target_freebsd rather than
7464         Sized_target.
7465         (Target_selector_i386): Derive from Target_selector_freebsd rather
7466         than Target_selector.
7467         * x86_64.cc: Include "freebsd.h".
7468         (Target_x86_64): Derive from Target_freebsd rather than
7469         Sized_target.
7470         (Target_selector_x86_64): Derive from Target_selector_freebsd
7471         rather than Target_selector.
7472         * target.h (class Target): Add adjust_elf_header and
7473         do_adjust_elf_header.
7474         * output.cc (Output_file_header:: do_sized_write): Call target
7475         adjust_elf_header routine.
7476         * configure.tgt: Set targ_osabi.
7477         * configure.ac: Define GOLD_DEFAULT_OSABI.
7478         * parameters.cc (Parameters::default_target): Pass
7479         GOLD_DEFAULT_OSABI to select_target.
7480         * target-select.h (class Target_selector): Make instantiate_target
7481         protected rather than private.
7482         * Makefile.am (HFILES): Add freebsd.h.
7483         * configure, Makefile.in, config.in: Rebuild.
7484
7485         * merge.cc (do_add_input_section): Correct pend value.  Change
7486         message about last entry not being null terminated from error to
7487         warning.
7488
7489 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
7490
7491         * incremental.cc: New file.
7492         * Makefile.am (CCFILES): Add incremental.cc.
7493         * Makefile.in: Rebuild.
7494
7495 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
7496
7497         * layout.cc (Layout::output_section_name): Preserve names
7498         of '.note.' sections.
7499
7500 2009-03-19  Ian Lance Taylor  <iant@google.com>
7501
7502         * descriptors.cc (Descriptors::open): Check that the options are
7503         valid before using them.
7504
7505 2009-03-18  Ian Lance Taylor  <iant@google.com>
7506
7507         * script-sections.h: Include <list>.
7508         (class Script_sections): Change Sections_elements from std::vector
7509         to std::list.  Typedef public Elements_iterator.  Add
7510         orphan_section_placement_, data_segment_align_start_, and
7511         saw_data_segment_align_ fields.  Remove data_segment_align_index_
7512         field.
7513         * script-sections.cc (class Orphan_section_placement): New class.
7514         (class Sections_element): Add virtual functions is_relro and
7515         orphan_section_init.  Remove virtual function place_orphan_here.
7516         (class Output_section_definition): Add is_relro and
7517         orphan_section_init.  Remove place_orphan_here.
7518         (class Orphan_output_section): Likewise.
7519         (Script_sections::Script_sections): Update for field changes.
7520         (Script_sections::data_segment_align): Set saw_data_segment_align_
7521         and data_segment_align_start_, not data_segment_align_index.
7522         (Script_sections::data_segment_relro_end): Check
7523         saw_data_segment_align_.  Use data_segment_align_start_ rather
7524         than data_segment_align_index_.
7525         (Script_sections::place_orphan): Rewrite to use
7526         Orphan_section_placement.
7527
7528 2009-03-17  Ian Lance Taylor  <iant@google.com>
7529
7530         * archive.cc (Archive::add_symbols): Check for a version attached
7531         to the symbol name in the archive map.
7532         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
7533         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
7534         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
7535         (ver_test_11.a): New target.
7536         * testsuite/Makefile.in: Rebuild.
7537
7538         * configure.ac: Check for chsize and posix_fallocate.  Replace
7539         ftruncate.
7540         * ftruncate.c: New file, from gnulib.
7541         * output.cc (posix_fallocate): Define dummy version if not
7542         HAVE_POSIX_FALLOCATE.
7543         (Output_file::map): Call posix_fallocate rather than lseek and
7544         write.
7545         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
7546         * configure, Makefile.in, config.in: Rebuild.
7547
7548 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
7549
7550         * layout.h (Layout::create_note): Add section_name parameter.
7551         * layout.cc (Layout::create_note): Likewise.
7552         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
7553
7554 2009-03-17  Ian Lance Taylor  <iant@google.com>
7555
7556         * descriptors.cc: Include "options.h".
7557         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
7558         (Descriptors::open): Always use O_CLOEXEC when opening a new
7559         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
7560         then set FD_CLOEXEC.
7561
7562         * sparc.cc (class Target_sparc): Add has_got_section.
7563         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
7564         make sure we have a GOT section.
7565
7566         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
7567         (Target_sparc::Scan::local): Likewise.
7568         (Target_sparc::Scan::global): Likewise.
7569         (Target_sparc::Relocate::relocate): Likewise.
7570         (Target_sparc::Relocate::relocate_tls): Likewise.
7571
7572         * symtab.cc (Symbol_table::define_default_version): New function,
7573         broken out of add_from_object.
7574         (Symbol_table::add_from_object): Call define_default_version.
7575         (Symbol_table::define_special_symbol): Add resolve_oldsym
7576         parameter.  Change all callers.  If the version for a symbol comes
7577         from a version script, resolve it with the symbol with the same
7578         name with no version.  Also add the symbol without a version if
7579         appropriate.
7580         (do_define_in_output_data): If resolving with oldsym, don't delete
7581         sym.
7582         (do_define_in_output_segment): Likewise.
7583         (do_define_as_constant): Likewise.
7584         * symtab.h (class Symbol_table): Update declarations.
7585
7586 2009-03-13  Ian Lance Taylor  <iant@google.com>
7587
7588         * readsyms.cc (Read_symbols::incompatible_warning): New function.
7589         (Read_symbols::requeue): New function.
7590         (Read_symbols::do_read_symbols): If make_elf_object fails because
7591         the target type is not configured, and the file was searched for,
7592         issue a warning and retry with the next directory.
7593         (Add_symbols::run): If the file has an incompatible format, and
7594         it was searched for, requeue the Read_symbols task.  On error,
7595         release the object.
7596         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
7597         dirindex parameter to constructor.  Change all callers.  Declare
7598         incompatible_warning and requeue.
7599         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
7600         input_argument_ and input_group_ fields.  Add them to
7601         constructor.  Change all callers.
7602         (class Read_script): Add dirindex_ field.  Add it to constructor.
7603         Change all callers.
7604         * archive.cc (Archive::setup): Remove input_objects parameter.
7605         Change all callers.
7606         (Archive::get_file_and_offset): Likewise.
7607         (Archive::read_all_symbols): Likewise.
7608         (Archive::read_symbols): Likewise.
7609         (Archive::get_elf_object_for_member): Remove input_objects
7610         parameter.  Add punconfigured parameter.  Change all callers.
7611         (Archive::add_symbols): Change return type to bool.  Check return
7612         value of include_member.
7613         (Archive::include_all_members): Likewise.
7614         (Archive::include_member): Change return type to bool.  Return
7615         false if first included object has incompatible target.  Set
7616         included_member_ field.
7617         (Add_archive_symbols::run): If add_symbols returns false, requeue
7618         Read_symbols task.
7619         * archive.h (class Archive): Add included_member_ field.
7620         Initialize it in constructor.  Add input_file and searched_for
7621         methods.  Update declarations.
7622         (class Add_archive_symbols): Add dirpath_, dirindex_, and
7623         input_argument_ fields.  Add them to constructor.  Change all
7624         callers.
7625         * script.cc: Include "target-select.h".
7626         (class Parser_closure): Add skip_on_incompatible_target_ and
7627         found_incompatible_target_ fields.  Add
7628         skip_on_incompatible_target parameter to constructor.  Change all
7629         callers.  Add methods skip_on_incompatible_target,
7630         clear_skip_on_incompatible_target, found_incompatible_target, and
7631         set_found_incompatible_target.
7632         (read_input_script): Add dirindex parameter.  Change all callers.
7633         If parser finds an incompatible target, requeue Read_symbols
7634         task.
7635         (script_set_symbol): Clear skip_on_incompatible_target in
7636         closure.
7637         (script_add_assertion, script_parse_option): Likewise.
7638         (script_start_sections, script_add_phdr): Likewise.
7639         (script_check_output_format): New function.
7640         * script.h (read_input_script): Update declaration.
7641         * script-c.h (script_check_output_format): Declare.
7642         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
7643         (ignore_cmd): Remove OUTPUT_FORMAT.
7644         * fileread.cc (Input_file::Input_file): Add explicit this.
7645         (Input_file::will_search_for): New function.
7646         (Input_file::open): Add pindex parameter.  Change all callers.
7647         * fileread.h (class Input_file): Add input_file_argument method.
7648         Declare will_search_for.  Update declarations.
7649         * object.cc (make_elf_object): Add punconfigured parameter.
7650         Change all callers.
7651         * object.h (class Object): Make input_file public.  Add
7652         searched_for method.
7653         (make_elf_object): Update declaration.
7654         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
7655         restart search.
7656         * dirsearch.h (class Dirsearch): Update declaration.
7657         * options.h (class General_options): Add --warn-search-mismatch.
7658         * parameters.cc (Parameters::is_compatible_target): New function.
7659         * parameters.h (class Parameters): Declare is_compatible_target.
7660         * workqueue.cc (Workqueue::add_blocker): New function.
7661         * workqueue.h (class Workqueue): Declare add_blocker.
7662
7663         * fileread.cc (Input_file::open): Remove options parameter.
7664         Change all callers.
7665         (Input_file::open_binary): Likewise.
7666         * script.cc (read_input_script): Likewise.
7667         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
7668         options parameter from constructor.  Change all callers.
7669         (class Read_script): Likewise.
7670         * fileread.h (class Input_file): Update declarations.
7671         * script.h (read_input_script): Update declaration.
7672
7673 2009-03-10  Nick Clifton  <nickc@redhat.com>
7674
7675         * po/es.po: New Spanish translation.
7676
7677 2009-03-06  Cary Coutant  <ccoutant@google.com>
7678
7679         * options.cc (parse_short_option): Keep dash_z from registering itself.
7680
7681 2009-03-03  Ian Lance Taylor  <iant@google.com>
7682
7683         PR 9918
7684         * target-reloc.h (relocate_section): Pass output_section to
7685         relocate.
7686         * i386.cc (Target_i386::should_apply_static_reloc): Add
7687         output_section parameter.  Change all callers.
7688         (Target_i386::Relocate::relocate): Add output_section parameter.
7689         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7690         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
7691         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
7692         * testsuite/two_file_shared.sh: New script.
7693         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
7694         (check_DATA): Add two_file_shared.dbg.
7695         (two_file_shared.dbg): New target.
7696         * testsuite/Makefile.in: Rebuild.
7697
7698 2009-03-01  Ian Lance Taylor  <iant@google.com>
7699
7700         * configure.ac: Check for byteswap.h.
7701         * configure: Rebuild.
7702         * config.in: Rebuild.
7703
7704 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
7705
7706         * layout.cc (Layout::find_or_add_kept_section): New function.
7707         (Layout::add_comdat): Removed.
7708         * layout.h (struct Kept_section): Move out of class Layout.
7709         Remove trailing underscores from field names.  Add group_sections
7710         field.  Rename group_ field to is_group.  Change all uses.
7711         (class Layout): Declare find_or_add_kept_section, not add_comdat.
7712         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
7713         comdat_groups_ field.
7714         (Sized_relobj::include_section_group): Use
7715         find_or_add_kept_section and Kept_section::group_sections.
7716         (Sized_relobj::include_linkonce_section): Likewise.
7717         * object.cc (class Sized_relobj): Don't define Comdat_group or
7718         Comdat_group_table.  Remove find_comdat_group and
7719         add_comdat_group.  Remove comdat_groups_ field.
7720         * plugin.cc (include_comdat_group): Use
7721         Layout::find_or_add_kept_section.
7722
7723 2009-02-28  Ian Lance Taylor  <iant@google.com>
7724
7725         * README: --gc-sections and map files are now supported.  Document
7726         some build requirements.
7727
7728         PR 6992
7729         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
7730         relocatable link set the value of the section symbol to zero.
7731         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
7732         relocatable link don't include the section address in the local
7733         symbol value.
7734
7735 2009-02-27  Ian Lance Taylor  <iant@google.com>
7736
7737         PR 6811
7738         * options.h (class Search_directory): Add is_system_directory.
7739         (class General_options): Declare is_in_system_directory.
7740         * options.cc (get_relative_sysroot): Make static.
7741         (get_default_sysroot): Make static.
7742         (General_optoins::is_in_system_directory): New function.
7743         * fileread.cc (Input_file::is_in_system_directory): New function.
7744         * fileread.h (class Input_file): Declare is_in_system_directory.
7745         * object.h (class Object): Add is_in_system_directory.
7746         (class Input_objects): Remove system_library_directory_ field.
7747         * object.cc (Input_objects::add_object): Don't set
7748         system_library_directory_.
7749         (input_objects::found_in_system_library_directory): Remove.
7750         * symtab.cc (Symbol_table::write_globals): Remove input_objects
7751         parameter.  Change all callers.
7752         (Symbol_table::sized_write_globals): Likewise.
7753         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
7754         Call Object::is_in_system_directory.
7755         * symtab.h (class Symbol_table): Update declarations.
7756
7757         PR 5990
7758         * descriptors.h (Open_descriptor): Add is_on_stack field.
7759         * descriptors.cc (Descriptors::open): If the descriptor is on the
7760         top of the stack, remove it.  Initialize is_on_stack field.
7761         (Descriptors::release): Only add pod to stack if it is not on the
7762         stack already.
7763         (Descriptors::close_some_descriptor): Clear stack_next and
7764         is_on_stack fields.
7765
7766         PR 7091
7767         * output.cc (Output_section::find_starting_output_address): Rename
7768         from starting_output_address; add PADDR parameter; change return
7769         type.
7770         * output.h (class Output_section): Declare
7771         find_starting_output_address instead of starting_output_address.
7772         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
7773         section symbol for which we can't find a merge section.
7774
7775         PR 9836
7776         * symtab.cc (Symbol_table::add_from_object): If the visibility is
7777         hidden or internal, force the symbol to be local.
7778         * resolve.cc (Symbol::override_visibility): Define.
7779         (Symbol::override_base): Use override_visibility.
7780         (Symbol_table::resolve): Likewise.
7781         (Symbol::override_base_with_special): Likewise.
7782         (Symbol_table::override_with_special): If the visibility is hidden
7783         or internal, force the symbol to be local.
7784         * symtab.h (class Symbol): Add set_visibility and
7785         override_visibility.
7786         * testsuite/ver_test_1.sh: New file.
7787         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
7788         (check_DATA): Add ver_test_1.syms.
7789         (ver_test_1.syms): New target.
7790         * testsuite/Makefile.in: Rebuild.
7791
7792 2009-02-25  Cary Coutant  <ccoutant@google.com>
7793
7794         * layout.cc (Layout::choose_output_section): Don't rename sections
7795         when using a linker script that has a SECTIONS clause.
7796         * Makefile.in: Regenerate.
7797
7798         * testsuite/Makefile.am (script_test_5.sh): New test case.
7799         * testsuite/Makefile.in: Regenerate.
7800         * testsuite/script_test_5.cc: New file.
7801         * testsuite/script_test_5.sh: New file.
7802         * testsuite/script_test_5.t: New file.
7803
7804 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
7805
7806         * archive.cc (Archive::include_member): Update calls to add_symbols.
7807         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
7808         the Layout argument.
7809         * dynobj.h (do_add_symbols): Add the Layout argument.
7810         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
7811         Layout argument.
7812         * object.h (Object::add_symbols): Add the Layout argument.
7813         (Object::do_add_symbols): Add the Layout argument.
7814         (Sized_relobj::do_add_symbols): Add the Layout argument.
7815         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
7816         Unify the two versions.
7817         (Add_plugin_symbols): Remove.
7818         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
7819         (Sized_pluginobj::do_add_symbols): Unify the two versions.
7820         (Add_plugin_symbols): Remove.
7821         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
7822         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
7823         (Add_symbols::run): Make it work with Pulginobj.
7824
7825 2009-02-06  Ian Lance Taylor  <iant@google.com>
7826
7827         * object.cc (Sized_relobj::do_layout): Make info message start
7828         with lower case letter.
7829
7830 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
7831
7832         * binary.cc: Fix file comment.
7833
7834         * options.h (enum Incremental_disposition): Define.
7835         (class General_options): Add new options: --incremental,
7836         --incremental_changed, --incremental_unchanged,
7837         --incremental_unknown.  Add incremental_disposition_ and
7838         implicit_incremental_ fields.
7839         (General_options::incremental_disposition): New function.
7840         (class Position_dependent_options): Add incremental_disposition
7841         option.
7842         (Position_dependent_options::copy_from_options): Set incremental
7843         dispositions.
7844         * options.cc (General_options::parse_incremental_changed): New
7845         function.
7846         (General_options::parse_incremental_unchanged): New function.
7847         (General_options::parse_incremental_unknown): New function.
7848         (General_options::General_options): Initialize new fields
7849         incremental_disposition_ and implicit_incremental_.
7850         (General_options::finalize): Check for uasge of --incremental-*
7851         without --incremental.
7852
7853 2009-02-06  Chris Demetriou  <cgd@google.com>
7854
7855         * gold.h (gold_undefined_symbol): Change to take only a Symbol
7856         pointer and to report location as the file name associated with
7857         the symbol.
7858         (gold_undefined_symbol_at_location): New function to replace the
7859         old gold_undefined_symbol functionality.
7860         * target-reloc.h (relocate_section): Update to use
7861         gold_undefined_symbol_at_location.
7862         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7863         Call gold_undefined_symbol function rather than gold_error.
7864         * errors.h (Errors::undefined_symbol): Take location as a
7865         string, rather than calculating it from a relocation.
7866         * errors.cc (Errors::fatal): Print "fatal error:" before the
7867         formatted message.
7868         (Errors::error, Errors::error_at_location): Print "error: "
7869         before the formatted message.
7870         (Errors::undefined_symbol): Take location as a string, rather
7871         than calculating it from a relocation.
7872         (gold_undefined_symbol_at_location): New function akin to
7873         old gold_undefined_symbol, calculates location from relocation.
7874         (gold_undefined_symbol): Change to take only a Symbol pointer
7875         and to report location as the file name associated with the symbol.
7876         * testsuite/debug_msg.sh: Update for changed error messages.
7877         * testsuite/undef_symbol.sh: Likewise.
7878
7879 2009-02-04  Duncan Sands  <baldrick@free.fr>
7880
7881         PR 9812
7882         * reduced_debug_output.h
7883         (Output_reduced_debug_abbrev_section::failed): Use format for
7884         gold_warning.
7885         (Output_reduced_debug_info_section::faild): Likewise.
7886
7887 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
7888
7889         * script.cc (Lazy_demangler): New class.
7890         (Version_script_info::get_symbol_version_helper): Demangle a
7891         symbol only once.
7892
7893 2009-01-29  Cary Coutant  <ccoutant@google.com>
7894
7895         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
7896         to __tls_get_addr.
7897         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7898
7899 2009-01-28  Ian Lance Taylor  <iant@google.com>
7900
7901         * version.cc (version_string): Bump to 1.9.
7902
7903         * gold.h: Include <cstring> and <stdint.h>.
7904         * version.cc: Include <cstdio>.
7905         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7906         warning.
7907         * reduced_debug_output.cc (insert_into_vector): Rename from
7908         Insert_into_vector; change all callers.  Use Swap_unaligned to
7909         avoid aliasing issue; remove union since it is unnecessary.
7910
7911 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7912
7913         * Makefile.am (CCFILES): Add gc.cc.
7914         (HFILES): Add gc.h.
7915         * Makefile.in: Regenerate.
7916         * gold.cc (Gc_runner): New class.
7917         (queue_initial_tasks): Call garbage collection related tasks
7918         when corresponding options are invoked.
7919         (queue_middle_gc_tasks): New function.
7920         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7921         processed early before laying out sections during garbage collection.
7922         * gold.h (queue_middle_gc_tasks): New function.
7923         (is_prefix_of): Move from "layout.cc".
7924         * i386.cc (Target_i386::gc_process_relocs): New function.
7925         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7926         * main.cc (main): Create object of class "Garbage_collection".
7927         * object.cc (Relobj::copy_symbols_data): New function.
7928         (Relobj::is_section_name_included): New function.
7929         (Sized_relobj::do_layout): Allow this function to be called twice
7930         during garbage collection and defer layout of section during the
7931         first call.
7932         * object.h (Relobj::get_symbols_data): New function.
7933         (Relobj::is_section_name_included): New function.
7934         (Relobj::copy_symbols_data): New function.
7935         (Relobj::set_symbols_data): New function.
7936         (Relobj::get_relocs_data): New function.
7937         (Relobj::set_relocs_data): New function.
7938         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7939         (Relobj::gc_process_relocs): New function.
7940         (Relobj::do_gc_process_relocs): New pure virtual function.
7941         (Relobj::sd_): New data member.
7942         (Sized_relobj::is_output_section_offset_invalid): New function.
7943         (Sized_relobj::do_gc_process_relocs): New function.
7944         * options.h (General_options::gc_sections): Modify to not be a no-op.
7945         (General_options::print_gc_sections): New option.
7946         * plugin.cc (Plugin_finish::run): Remove function call to
7947         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7948         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7949         * reloc.cc (Read_relocs::run): Add task to process relocs and
7950         determine unreferenced sections when doing garbage collection.
7951         (Gc_process_relocs): New class.
7952         (Sized_relobj::do_gc_process_relocs): New function.
7953         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7954         sections that are garbage collected.
7955         * reloc.h (Gc_process_relocs): New class.
7956         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7957         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7958         symbols whose corresponding sections are garbage collected.
7959         (Symbol_table::Symbol_table): Add new parameter for the garbage
7960         collection object.
7961         (Symbol_table::gc_mark_undef_symbols): New function.
7962         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7963         (Symbol_table::gc_mark_dyn_syms): New function.
7964         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7965         as garbage.
7966         (Symbol_table::add_from_object): Likewise.
7967         (Symbol_table::add_from_relobj): When building shared objects, do not
7968         treat externally visible symbols as garbage.
7969         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7970         table information for static and relocatable links.
7971         * symtab.h (Symbol_table::set_gc): New function.
7972         (Symbol_table::gc): New function.
7973         (Symbol_table::gc_mark_undef_symbols): New function.
7974         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7975         (Symbol_table::gc_mark_dyn_syms): New function.
7976         (Symbol_table::gc_): New data member.
7977         * target.h (Sized_target::gc_process_relocs): New pure virtual
7978         function.
7979         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7980         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7981
7982 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7983
7984         * options.h (General_options::gc_sections): Define as a no-op for now.
7985         (General_options::no_keep_memory): Ditto.
7986         (General_options::Bshareable): Define.
7987         * options.cc (General_options::finalize): Honor -Bshareable.
7988
7989 2009-01-20  Andreas Schwab  <schwab@suse.de>
7990
7991         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7992         read the value in the contents, since we don't use it.  Use the
7993         template endianness when writing.
7994         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7995
7996 2009-01-19  Andreas Schwab  <schwab@suse.de>
7997
7998         * configure.tgt (powerpc64-*): Fix targ_obj.
7999
8000 2009-01-15  Ian Lance Taylor  <iant@google.com>
8001
8002         * object.cc (Sized_relobj::write_local_symbols): Don't write out
8003         local symbols when stripping all symbols.
8004
8005 2009-01-14  Cary Coutant  <ccoutant@google.com>
8006
8007         * output.cc (Output_reloc): Add explicit instantiations.
8008
8009 2009-01-14  Cary Coutant  <ccoutant@google.com>
8010
8011         * archive.cc (Archive::get_elf_object_for_member): Remove call
8012         to File_read::claim_for_plugin.
8013         * descriptors.cc (Descriptors::open): Remove reference to
8014         is_claimed.
8015         (Descriptors::claim_for_plugin): Remove.
8016         * descriptors.h (Descriptors::claim_for_plugin): Remove.
8017         (Descriptors::is_claimed): Remove.
8018         (claim_descriptor_for_plugin): Remove.
8019         * fileread.cc (File_read::claim_for_plugin): Remove.
8020         * fileread.h (File_read::claim_for_plugin): Remove.
8021         (File_read::descriptor): Reopen descriptor if necessary.
8022         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
8023         (Plugin_manager::all_symbols_read): Add task parameter. Change
8024         all callers.
8025         (Plugin_manager::get_input_file): New function.
8026         (Plugin_manager::release_input_file): New function.
8027         (Pluginobj::Pluginobj): Add filesize parameter and initialize
8028         corresponding data member.
8029         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
8030         and pass to base constructor. Change all callers.
8031         (get_input_file, release_input_file): New functions.
8032         (make_sized_plugin_object): Add filesize parameter. Change all callers.
8033         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
8034         (Plugin_manager::all_symbols_read): Add task parameter.
8035         (Plugin_manager::get_input_file): New function.
8036         (Plugin_manager::release_input_file): New function.
8037         (Plugin_manager::task_): New data member.
8038         (Pluginobj::Pluginobj): Add filesize parameter.
8039         (Pluginobj::filename): New function.
8040         (Pluginobj::descriptor): New function.
8041         (Pluginobj::filesize): New function.
8042         (Pluginobj::filesize_): New data member.
8043         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
8044         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
8045         File_read::claim_for_plugin; use Object::unlock to unlock the file.
8046
8047         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
8048         with archive libraries.
8049         * testsuite/Makefile.in: Regenerate.
8050         * testsuite/plugin_test.c (struct sym_info): New type.
8051         (get_input_file, release_input_file): New static variables.
8052         (onload): Capture new transfer vector entries.
8053         (claim_file_hook): Stop reading at end of file according to filesize.
8054         Factor out parsing of readelf output into separate function.
8055         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8056         APIs and get the source file name from the symbol table.  Convert
8057         source file name to corresponding object file name.  Print info
8058         message when adding new input files.
8059         (parse_readelf_line): New function.
8060         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8061         * testsuite/plugin_test_2.sh: Likewise.
8062         * testsuite/plugin_test_3.sh: Likewise.
8063         * testsuite/plugin_test_4.sh: New test case.
8064
8065 2009-01-07  Ian Lance Taylor  <iant@google.com>
8066
8067         * version.cc (version_string): Bump to 1.8.
8068
8069 2008-12-23  Cary Coutant  <ccoutant@google.com>
8070
8071         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8072         * plugin.cc (Plugin_manager::finish): Rename as
8073         layout_deferred_objects.  Move cleanup to separate function.
8074         (Plugin_manager::cleanup): New function.
8075         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8076         separately.
8077         * plugin.h (Plugin_manager::finish): Rename as
8078         layout_deferred_objects.
8079         (Plugin_manager::cleanup): New function.
8080         (Plugin_manager::cleanup_done): New field.
8081
8082 2008-12-23  Cary Coutant  <ccoutant@google.com>
8083
8084         * plugin.cc (is_visible_from_outside): New function.
8085         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8086         so we don't return "IR only" status for exported symbols or -r links.
8087
8088         * testsuite/Makefile.am (plugin_test_3): New test case.
8089         * testsuite/Makefile.in: Regenerate.
8090         * testsuite/plugin_test_3.sh: New file.
8091
8092 2008-12-22  Cary Coutant  <ccoutant@google.com>
8093
8094         * object.cc (Sized_relobj::layout_section): New function.
8095         (Sized_relobj::do_layout): Defer layout of input sections until after
8096         plugin has provided replacement files.
8097         (Sized_relobj::do_layout_deferred_sections): New function.
8098         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8099         (Relobj::layout_deferred_sections): New function.
8100         (Relobj::do_layout_deferred_sections): New function.
8101         (Sized_relobj::do_layout_deferred_sections): New function.
8102         (Sized_relobj::layout_section): New function.
8103         (Sized_relobj::Deferred_layout): New structure.
8104         (Sized_relobj::deferred_layout_): New field.
8105         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8106         Change all callers.  Layout deferred sections.
8107         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8108         references.
8109         (Plugin_hook::run): Move code from do_plugin_hook inline.
8110         (Plugin_hook::do_plugin_hook): Remove.
8111         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8112         (Plugin_manager::finish): Renamed, was cleanup.
8113         (Plugin_manager::should_defer_layout): New function.
8114         (Plugin_manager::add_deferred_layout_object): New function.
8115         (Plugin_manager::Deferred_layout_list): New type.
8116         (Plugin_manager::deferred_layout_objects_): New field.
8117         (Plugin_hook::do_plugin_hook): Remove.
8118
8119 2008-12-17  Ian Lance Taylor  <iant@google.com>
8120
8121         * options.h (class General_options): Add --no case for
8122         --export-dynamic.
8123
8124 2008-12-16  Cary Coutant  <ccoutant@google.com>
8125
8126         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8127         vector.
8128         (Plugin_manager::claim_file): Create plugin object even if
8129         plugin did not call the add_symbols callback.
8130         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8131         asking for more symbols than were added.
8132         * testsuite/Makefile.am (plugin_test_1): Add test case with
8133         no global symbols.
8134         (empty.syms): New target.
8135         * testsuite/Makefile.in: Regenerate.
8136         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8137         message. Don't call add_symbols if no globals.
8138         (all_symbols_read_hook): Don't provide replacement for empty
8139         claimed file.
8140
8141 2008-12-12  Ian Lance Taylor  <iant@google.com>
8142
8143         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8144         r_type == 0 for a local symbol with r_sym == 0.
8145         (scan_relocatable_relocs): Pass r_sym to
8146         local_non_section_strategy.
8147         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8148         r_sym parameter.
8149
8150         * configure.ac: Update test for TLS descriptors: they are
8151         supported as of glibc 2.9.
8152         * configure: Rebuild.
8153
8154 2008-12-11  Ian Lance Taylor  <iant@google.com>
8155
8156         PR 7091
8157         * target-reloc.h (Default_scan_relocatable_relocs): For each
8158         function, map r_type == 0 to RELOC_DISCARD.
8159
8160 2008-12-10  Cary Coutant  <ccoutant@google.com>
8161
8162         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8163         object to override a kept COMDAT group from a plugin object.
8164
8165 2008-12-09  Ian Lance Taylor  <iant@google.com>
8166
8167         PR 7088
8168         * yyscript.y (file_cmd): Handle INPUT.
8169
8170         * testsuite/initpri1.c: Change all declarations to be full
8171         prototypes by adding void, to avoid compiler warnings.
8172
8173 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8174
8175         * options.cc (General_options::parse_plugin_opt): New.
8176         (General_options::add_plugin): The argument now is just the filename.
8177         (General_options::add_plugin_option): New.
8178         * options.h (plugin_opt): New.
8179         (add_plugin): Change argument name.
8180         (add_plugin_option): New.
8181         * plugin.cc (Plugin::load): Don't parse the plugin option.
8182         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8183         (Plugin::add_option): New.
8184         (Plugin::args_): Change type.
8185         (Plugin::filename_): New.
8186         (Plugin_manager::add_plugin_option): New.
8187         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8188         * testsuite/Makefile.in: Regenerate.
8189
8190 2008-12-05  Cary Coutant  <ccoutant@google.com>
8191
8192         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8193         Handle --strip-lto-sections option.
8194         * options.h (strip_lto_sections): New option.
8195
8196 2008-12-01  Cary Coutant  <ccoutant@google.com>
8197
8198         * plugin.cc (ld_plugin_message): Change format parameter to const.
8199         Fix mismatch between new[] and delete.
8200
8201 2008-11-14  Cary Coutant  <ccoutant@google.com>
8202
8203         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8204         instead of -1U.
8205
8206 2008-11-05  Craig Silverstein  <csilvers@google.com>
8207
8208         * options.cc (General_options::parse_dynamic_list): New function.
8209         * options.h (General_options): New flags dynamic_list,
8210         dynamic_list_data, dynamic_list_cpp_new, and
8211         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8212         (General_options::in_dynamic_list): New function.
8213         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8214         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8215         (Lex::can_continue_name): Likewise.
8216         (yylex): Likewise.
8217         (read_script_file): New parameter script_options.
8218         (read_dynamic_list): New function.
8219         (Script_options::define_dynamic_list): New function.
8220         (dynamic_list_keyword_parsecodes): New variable.
8221         (dynamic_list_keywords): New variable.
8222         * script.h (Script_options::define_dynamic_list): New function
8223         prototype.
8224         (read_dynamic_list): New function prototype.
8225         * symtab.cc (strprefix): New macro.
8226         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8227         dynamic_list_data, dynamic_list_cpp_new, and
8228         dynamic_list_cpp_typeinfo.
8229         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8230         (dynamic_list_expr): New rule.
8231         (dynamic_list_nodes): Likewise.
8232         (dynamic_list_node): Likewise.
8233         * testsuite/Makefile.am (dynamic_list): New test.
8234         * testsuite/Makefile.in: Regenerated.
8235         * testsuite/dynamic_list.t: New file.
8236         * testsuite/dynamic_list.sh: New file.
8237
8238 2008-11-05  Craig Silverstein  <csilvers@google.com>
8239
8240         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
8241         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
8242         (t11_last): Likewise.
8243         * testsuite/ver_test_6.c (main): Likewise.
8244
8245 2008-10-07  Cary Coutant  <ccoutant@google.com>
8246
8247         * options.c (General_options::finalize): Add check for -static and
8248         -shared.
8249         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
8250         is not empty.
8251
8252 2008-10-02  Cary Coutant  <ccoutant@google.com>
8253
8254         * plugin.cc (make_sized_plugin_object): Fix conditional
8255         compilation to work when not all targets are enabled.
8256
8257 2008-09-29  Cary Coutant  <ccoutant@google.com>
8258
8259         * archive.cc (Archive::get_file_and_offset): Use filename instead
8260         of name to get library path.
8261         (Archive::include_member): Unlock external member of a thin archive.
8262
8263         * testsuite/Makefile.am (TEST_AR): New variable.
8264         (thin_archive_test_1): New test.
8265         (thin_archive_test_2): New test.
8266         * testsuite/Makefile.in: Regenerate.
8267         * testsuite/thin_archive_main.cc: New file.
8268         * testsuite/thin_archive_test_1.cc: New file.
8269         * testsuite/thin_archive_test_2.cc: New file.
8270         * testsuite/thin_archive_test_3.cc: New file.
8271         * testsuite/thin_archive_test_4.cc: New file.
8272
8273 2008-09-29  Cary Coutant  <ccoutant@google.com>
8274
8275         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
8276         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
8277         instead of -1U.
8278         (Sized_relobj::do_finalize_local_symbols): Likewise.
8279         (Sized_relobj::map_to_kept_section): Likewise.
8280         * object.h (Sized_relobj::invalid_address): New constant.
8281         (Sized_relobj::do_output_section_offset): Check for invalid_address
8282         and return -1ULL.
8283         * output.cc (Output_reloc::local_section_offset): Use constant
8284         invalid_address instead of -1U.
8285         (Output_reloc::get_address): Likewise.
8286         (Output_section::output_address): Change -1U to -1ULL.
8287         * output.h (Output_reloc::invalid_address): New constant.
8288         * reloc.cc (Sized_relobj::write_sections): Use constant
8289         invalid_address instead of -1U.
8290         (Sized_relobj::relocate_sections): Likewise.
8291         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
8292         values for merge sections.
8293         * target-reloc.h (relocate_for_relocatable): Use constant
8294         invalid_address instead of -1U.
8295
8296 2008-09-19  Cary Coutant  <ccoutant@google.com>
8297
8298         Add plugin functionality for link-time optimization (LTO).
8299         * configure.ac (plugins): Add --enable-plugins option.
8300         * configure: Regenerate.
8301         * config.in: Regenerate.
8302         * Makefile.am (LIBDL): New variable.
8303         (CCFILES): Add plugin.cc.
8304         (HFILES): Add plugin.h.
8305         (ldadd_var): Add LIBDL.
8306         * Makefile.in: Regenerate.
8307
8308         * archive.cc: Include "plugin.h".
8309         (Archive::setup): Don't preread archive symbols when using a plugin.
8310         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
8311         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
8312         files.
8313         (Archive::include_member): Add symbols from plugin objects.
8314         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
8315         * descriptors.cc (Descriptors::open): Check for file descriptors
8316         abandoned by plugins.
8317         (Descriptors::claim_for_plugin): New function.
8318         * descriptors.h (Descriptors::claim_for_plugin): New function.
8319         (Open_descriptor::is_claimed): New field.
8320         (claim_descriptor_for_plugin): New function.
8321         * fileread.cc (File_read::claim_for_plugin): New function.
8322         * fileread.h (File_read::claim_for_plugin): New function.
8323         (File_read::descriptor): New function.
8324         * gold.cc: Include "plugin.h".
8325         (queue_initial_tasks): Add task to call plugin hooks for generating
8326         new object files.
8327         * main.cc: Include "plugin.h".
8328         (main): Load plugin libraries.
8329         * object.h (Pluginobj): Declare.
8330         (Object::pluginobj): New function.
8331         (Object::do_pluginobj): New function.
8332         (Object::set_target): New function.
8333         * options.cc: Include "plugin.h".
8334         (General_options::parse_plugin): New function.
8335         (General_options::General_options): Initialize plugins_ field.
8336         (General_options::add_plugin): New function.
8337         * options.h (Plugin_manager): Declare.
8338         (General_options): Add --plugin option.
8339         (General_options::has_plugins): New function.
8340         (General_options::plugins): New function.
8341         (General_options::add_plugin): New function.
8342         (General_options::plugins_): New field.
8343         * plugin.cc: New file.
8344         * plugin.h: New file.
8345         * readsyms.cc: Include "plugin.h".
8346         (Read_symbols::do_read_symbols): Check for archive before checking
8347         for ELF file.  Call plugin hooks to claim files.
8348         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
8349         from a real object file; force override when processing replacement
8350         files.
8351         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
8352         (Symbol::init_base_object): Likewise.
8353         (Symbol::init_base_output_data): Likewise.
8354         (Symbol::init_base_output_segment): Likewise.
8355         (Symbol::init_base_constant): Likewise.
8356         (Symbol::init_base_undefined): Likewise.
8357         (Symbol::output_section): Assert that object is not a plugin.
8358         (Symbol_table::add_from_pluginobj): New function.
8359         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
8360         undefined.
8361         (Symbol_table::sized_write_globals): Likewise.
8362         (Symbol_table::add_from_pluginobj): Instantiate template.
8363         * symtab.h (Sized_pluginobj): Declare.
8364         (Symbol::in_real_elf): New function.
8365         (Symbol::set_in_real_elf): New function.
8366         (Symbol::in_real_elf_): New field.
8367         (Symbol_table::add_from_pluginobj): New function.
8368
8369         * testsuite/Makefile.am (AM_CFLAGS): New variable.
8370         (LIBDL): New variable.
8371         (LDADD): Add LIBDL.
8372         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
8373         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
8374         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
8375         (MOSTLYCLEANFILES): Likewise.
8376         * testsuite/Makefile.in: Regenerate.
8377         * testsuite/plugin_test.c: New file.
8378         * testsuite/plugin_test_1.sh: New file.
8379         * testsuite/plugin_test_2.sh: New file.
8380
8381 2008-09-16  Ian Lance Taylor  <iant@google.com>
8382
8383         * target-reloc.h (relocate_section): Check whether a symbol is
8384         defined by the ABI before reporting an undefined symbol error.
8385         * target.h (Target::is_defined_by_abi): Make parameter const.
8386         (Target::do_is_defined_by_abi): Likewise.
8387         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
8388         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
8389         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
8390         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
8391         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
8392         * testsuite/Makefile.in: Rebuild.
8393
8394         * fileread.cc (make_view): Add casts to avoid warning.
8395
8396 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8397
8398         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
8399         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
8400
8401 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8402
8403         * options.h (General_options::output_is_executable): New.
8404         (General_options::output_is_pie): New.
8405         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
8406         for shared libraries.
8407         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
8408
8409 2008-09-11  Chris Demetriou  <cgd@google.com>
8410
8411         * options.h (origin): New -z option.
8412         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
8413         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
8414         in DT_FLAGS_1.
8415
8416 2008-09-05  Cary Coutant  <ccoutant@google.com>
8417
8418         * fileread.cc (File_read::make_view): Add check for attempt to map
8419         beyond end of file.
8420
8421 2008-09-05  Cary Coutant  <ccoutant@google.com>
8422
8423         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
8424         explicit instantiations.
8425
8426 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
8427
8428         PR gold/6858
8429         * options.cc (General_options::finalize): Allow undefined symbols
8430         in shlibs if linking -shared.
8431
8432         PR gold/6859
8433         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
8434         symbols as not needing a dynsym entry.
8435
8436 2008-08-20  Craig Silverstein  <csilvers@google.com>
8437
8438         * fileread.cc (File_read::open): Do not lock the file unless it
8439         was successfully opened.
8440
8441 2008-08-14  Cary Coutant  <ccoutant@google.com>
8442
8443         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
8444         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
8445         * testsuite/tls_test.cc (struct int128): 128-bit struct
8446         for testing TLS relocs with non-zero addend.
8447         (v12): New TLS variable.
8448         (t12): New test.
8449         (t_last): Add check for v12.
8450         * testsuite/tls_test.h (t12): New function.
8451         * testsuite/tls_test_main.cc (thread_routine): Call new test.
8452
8453 2008-08-13  Ian Lance Taylor  <iant@google.com>
8454
8455         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
8456         set tls_segment_ or relro_segment_.
8457         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
8458         when appropriate.
8459         * output.h (Output_section::clear_is_relro): New function.
8460         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
8461         sections specially even when output_data_ is empty.
8462         (Output_segment::maximum_alignment): When first section is relro,
8463         only force alignment for PT_LOAD segments.
8464         * script.cc (script_data_segment_align): New function.
8465         (script_data_segment_relro_end): New function.
8466         * script-c.h (script_data_segment_align): Declare.
8467         (script_data_segment_relro_end): Declare.
8468         * script-sections.h (class Script_sections): Declare
8469         data_segment_align and data_segment_relro_end.  Add fields
8470         segment_align_index_ and saw_relro_end_.
8471         * script-sections.cc (class Sections_element): Add set_is_relro
8472         virtual function.  Add new bool* parameter to place_orphan_here.
8473         Add get_output_section virtual function.
8474         (class Output_section_definition): Add set_is_relro.  Add new
8475         bool* parameter to place_orphan_here.  Add get_output_section.
8476         Add is_relro_ field.
8477         (Output_section_definition::Output_section_definition): Initialize
8478         evaluated_address_, evaluated_load_address, evaluated_addralign_,
8479         and is_relro_ fields.
8480         (Output_section_definition::place_orphan_here): Add is_relro
8481         parameter.
8482         (Output_section_definition::set_section_addresses): Set relro for
8483         output section.
8484         (Output_section_definition::alternate_constraint): Likewise.
8485         (class Orphan_output_section): Add new bool* parameter to
8486         place_orphan_here.  Add get_output_section.
8487         (Orphan_output_section::place_orphan_here): Add is_relro
8488         parameter.
8489         (Script_sections::Script_sections): Initialize
8490         data_segment_align_index_ and saw_relro_end_.
8491         (Script_sections::data_segment_align): New function.
8492         (Script_sections::data_segment_relro_end): New function.
8493         (Script_sections::place_orphan): Set or clear is_relro.
8494         (Script_sections::set_section_addresses): Force alignment of first
8495         TLS section.
8496         * yyscript.y (exp): Call script_data_segment_align and
8497         script_data_segment_relro_end.
8498         * testsuite/relro_script_test.t: New file.
8499         * testsuite/relro_test.cc (using_script): Declare.
8500         (t1, t2): Test using_script.
8501         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
8502         (relro_script_test_SOURCES): Define.
8503         (relro_script_test_DEPENDENCIES): Define.
8504         (relro_script_test_LDFLAGS): Define.
8505         (relro_script_test_LDADD): Define.
8506         (relro_script_test.so): New target.
8507         * testsuite/Makefile.in: Rebuild.
8508
8509 2008-08-06  Cary Coutant <ccoutant@google.com>
8510
8511         * archive.cc (Archive::total_archives, Archive::total_members)
8512         (Archive::total_members_loaded): New variables.
8513         (Archive::setup): Add parameter.  Add option to preread
8514         archive symbols.
8515         (Archive::read_armap): Add counter.
8516         (Archive::get_file_and_offset): New function.
8517         (Archive::get_elf_object_for_member): New function.
8518         (Archive::read_all_symbols): New function.
8519         (Archive::read_symbols): New function.
8520         (Archive::add_symbols): Add counters.
8521         (Archive::include_all_members): Use armap to find members if it's
8522         already built.
8523         (Archive::include_member): Skip reading symbols if already read.
8524         Factored code into Archive::get_file_and_offset and
8525         Archive::get_elf_object_for_member.  Changed call to
8526         Mapfile::report_include_archive_member.
8527         (Archive::print_stats): New function.
8528         * archive.h: Declare Object and Read_symbols_data classes.
8529         (Archive::Archive): Add initializers for new members.
8530         (Archive::setup): Add parameter.
8531         (Archive::print_stats): New function.
8532         (Archive::total_archives, Archive::total_members)
8533         (Archive::total_members_loaded): New variables.
8534         (Archive::get_file_and_offset): New function.
8535         (Archive::get_elf_object_for_member): New function.
8536         (Archive::read_all_symbols): New function.
8537         (Archive::read_symbols): New function.
8538         (Archive::Archive_member): New class.
8539         (Archive::members_): New member.
8540         (Archive::num_members_): New member.
8541         * main.cc: Include archive.h.
8542         (main): Call Archive::print_stats.
8543         * mapfile.cc (Mapfile::report_include_archive_member): Delete
8544         archive parameter; member_name is now the fully-decorated name.
8545         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
8546         * options.h: (General_options): Add --preread-archive-symbols option.
8547         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
8548         Archive::setup.
8549
8550 2008-08-04  Ian Lance Taylor  <iant@google.com>
8551
8552         * symtab.h (Symbol::use_plt_offset): New function.
8553         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
8554         * powerpc.cc (Relocate::relocate): Likewise.
8555         * sparc.cc (Relocate::relocate): Likewise.
8556         * x86_64.cc (Relocate::relocate): Likewise.
8557         * testsuite/weak_plt.sh: New test.
8558         * testsuite/weak_plt_main.cc: New test.
8559         * testsuite/weak_plt_shared.cc: New test.
8560         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
8561         (check_PROGRAMS): Add weak_plt.
8562         (check_DATA): Add weak_plt_shared.so.
8563         (weak_plt_main_pic.o, weak_plt): New targets.
8564         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
8565         * testsuite/Makefile.in: Rebuild.
8566
8567         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
8568         gcctestdir/ld.
8569         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
8570         * testsuite/Makefile.in: Rebuild.
8571
8572 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
8573
8574         * Makefile.am (POTFILES.in): Set LC_ALL=C.
8575         * Makefile.in: Regenerate.
8576         * po/POTFILES.in: Regenerate.
8577
8578 2008-07-29  Ian Lance Taylor  <iant@google.com>
8579
8580         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
8581         symbols before other symbols.
8582         * testsuite/script_test_2.cc (test_addr): Declare.
8583         (test_addr_alias): Declare.
8584         (main): Check that test_addr and test_addr_alias have the right
8585         values.
8586         * testsuite/script_test_2.t: Define test_addr_alias and
8587         test_addr.
8588
8589 2008-07-24  Ian Lance Taylor  <iant@google.com>
8590
8591         PR 5990
8592         * descriptors.cc: New file.
8593         * descriptors.h: New file.
8594         * gold-threads.h (class Hold_optional_lock): New class.
8595         * fileread.cc: Include "descriptors.h".
8596         (File_read::~File_read): Release descriptor rather than closing
8597         it.
8598         (File_read::open) [file]: Call open_descriptor rather than open.
8599         Set is_descriptor_opened_.
8600         (File_read::open) [memory]: Assert that descriptor is not open.
8601         (File_read::reopen_descriptor): New function.
8602         (File_read::release): Release descriptor.
8603         (File_read::do_read): Make non-const.  Reopen descriptor.
8604         (File_read::read): Make non-const.
8605         (File_read::make_view): Reopen descriptor.
8606         (File_read::do_readv): Likewise.
8607         * fileread.h (class File_read): Add is_descriptor_opened_ field.
8608         Update declarations.
8609         * layout.cc: Include "descriptors.h".
8610         (Layout::create_build_id): Use open_descriptor rather than open.
8611         * output.cc: Include "descriptors.h".
8612         (Output_file::open): Use open_descriptor rather than open.
8613         * archive.cc (Archive::const_iterator): Change Archive to be
8614         non-const.
8615         (Archive::begin, Archive::end): Make non-const.
8616         (Archive::count_members): Likewise.
8617         * archive.h (class Archive): Update declarations.
8618         * object.h (Object::read): Make non-const.
8619         * Makefile.am (CCFILES): Add descriptors.cc.
8620         (HFILES): Add descriptors.h.
8621         * Makefile.in: Rebuild.
8622
8623         PR 6716
8624         * gold.h: Always include <clocale>.  Add Solaris workarounds
8625         following code in binutils/sysdep.h.
8626
8627         PR 6048
8628         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
8629         this->eh_frame_hdr_ is NULL before using it.
8630
8631         * dynobj.cc (Versions::Versions): Update comment.
8632
8633         * dynobj.cc (Versions::Versions): If there is an soname, use it as
8634         the base version name.
8635
8636         * stringpool.cc (Stringpool_template::add_with_length): Set key to
8637         array size plus one.
8638         (Stringpool_template::set_string_offsets): Subtract one from key
8639         before using it as an array index.
8640         (Stringpool_template::get_offset_with_length): Likewise.
8641         (Stringpool_template::write_to_buffer): Likewise.
8642         * stringpool.h (Stringpool_template::get_offset_from_key):
8643         Likewise.
8644
8645 2008-07-23  Ian Lance Taylor  <iant@google.com>
8646
8647         PR 6658
8648         * object.h (Merged_symbol_value::value): Do our best to handle a
8649         negative addend.
8650
8651         PR 6647
8652         * script.cc (Version_script_info::get_versions): Don't add empty
8653         version tag to return value.
8654         (Version_script_info::get_symbol_version_helper): Change return
8655         type to bool.  Add pversion parameter.  Change all callers.
8656         (script_register_vers_node): Don't require a non-NULL tag.
8657         * script.h (class Version_script_info): Update declarations.
8658         (Version_script_info::get_symbol_version): Change return type to
8659         bool.  Add version parameter.  Change all callers.
8660         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
8661         handling.  Handle an empty version from a version script.
8662         (Symbol_table::define_special_symbol): Likewise.
8663         * testsuite/ver_test_10.script: New file.
8664         * testsuite/ver_test_10.sh: New file.
8665         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
8666         (check_DATA): Add ver_test_10.syms.
8667         (ver_test_10.syms, ver_test_10.so): New target.
8668         * testsuite/Makefile.in: Rebuild.
8669
8670 2008-07-23  Simon Baldwin  <simonb@google.com>
8671
8672         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
8673         to zero for undefined symbols from dynamic libraries.
8674
8675 2008-07-23  Ian Lance Taylor  <iant@google.com>
8676
8677         * symtab.cc (Symbol_table::resolve): Remove version parameter.
8678         Change all callers.
8679         * symtab.h (class Symbol_table): Update declaration.
8680         * testsuite/ver_test_9.cc: New file.
8681         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
8682         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
8683         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
8684         (ver_test_9.so, ver_test_9.o): New targets.
8685         * testsuite/Makefile.in: Rebuild.
8686
8687 2008-07-22  Ian Lance Taylor  <iant@google.com>
8688
8689         * options.h (class General_options): Define --check-sections.
8690         * layout.cc (Layout::set_segment_offsets): Handle
8691         --check-sections.
8692
8693         * options.h (class General_options): Define -n/--nmagic and
8694         -N/--omagic.
8695         * options.cc (General_options::finalize): For -n/--nmagic or
8696         -N/--omagic, set -static.
8697         * layout.cc (Layout::attach_allocated_section_to_segment): If
8698         -N/--omagic, don't put read-only and read-write sections in
8699         different segments.
8700         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
8701         finding a read-only segment.
8702         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
8703         don't set the minimum segment alignment to the common page size,
8704         and don't set the file offset to the address modulo the page size.
8705         * script-sections.cc (Script_sections::create_segments): If
8706         -n/--omagic, don't put read-only and read-write sections in
8707         different segments.
8708
8709         * cref.cc: New file.
8710         * cref.h: New file.
8711         * options.h (class General_options): Add --print-symbol-counts.
8712         * main.cc (main): Issue defined symbol report if requested.
8713         * archive.cc (Archive::interpret_header): Make into a const member
8714         function.
8715         (Archive::add_symbols): Call Input_objects::archive_start and
8716         archive_stop.
8717         (Archive::const_iterator): Define new class.
8718         (Archive::begin, Archive::end): New functions.
8719         (Archive::include_all_members): Rewrite to use iterator.
8720         (Archive::count_members): New function.
8721         * archive.h (class Archive): Update declarations.
8722         (Archive::filename): New function.
8723         * object.cc: Include "cref.h".
8724         (Sized_relobj::Sized_relobj): Initialize defined_count_.
8725         (Sized_relobj::do_get_global_symbol_counts): New function.
8726         (Input_objects::add_object): Add object to cross-referencer.
8727         (Input_objects::archive_start): New function.
8728         (Input_objects::archive_stop): New function.
8729         (Input_objects::print_symbol_counts): New function.
8730         * object.h: Declare Cref and Archive.
8731         (Object::get_global_symbol_counts): New function.
8732         (Object::do_get_global_symbol_counts): New pure virtual function.
8733         (class Sized_relobj): Add defined_count_ field.  Update
8734         declarations.
8735         (class Input_objects): Add cref_ field.  Update constructor.
8736         Update declarations.
8737         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
8738         defined_count_.
8739         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
8740         symbol counts.
8741         (Sized_dynobj::do_get_global_symbol_counts): New function.
8742         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
8743         defined_count_.  Update declarations.  Define Symbols typedef.
8744         * symtab.cc (Symbol_table::add_from_relobj): Add defined
8745         parameter.  Change all callers.
8746         (Symbol_table::add_from_dynobj): Add sympointers and defined
8747         parameters.  Change all callers.
8748         * symtab.h (class Symbol_table): Update declarations.
8749         * Makefile.am (CCFILES): Add cref.cc.
8750         (HFILES): Add cref.h.
8751         * Makefile.in: Rebuild.
8752
8753 2008-07-22  Simon Baldwin  <simonb@google.com>
8754
8755         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
8756         to zero when writing undefined symbols.
8757
8758 2008-07-22  Ian Lance Taylor  <iant@google.com>
8759
8760         * output.cc (Output_section::add_input_section): Don't try to
8761         merge empty merge sections.
8762
8763 2008-07-21  Craig Silverstein  <csilvers@google.com>
8764
8765         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8766         Include symbol version in error message.
8767
8768 2008-07-20  Chris Demetriou  <cgd@google.com>
8769
8770         * configure.ac (gold_cv_c_random_seed): New configured variable.
8771         (RANDOM_SEED_CFLAGS): New substituted variable.
8772         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
8773         * configure: Rebuild.
8774         * Makefile.in: Likewise.
8775         * testsuite/Makefile.in: Likewise.
8776
8777 2008-07-18  Ian Lance Taylor  <iant@google.com>
8778
8779         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
8780         where we see NAME/NULL and NAME/VERSION  as separate symbols.
8781         * testsuite/ver_test_main.cc (main): Call t4.
8782         (t4, t4_2a): Define.
8783         * testsuite/ver_test_2.cc (t4_2): Define.
8784         * testsuite/ver_test_2.script: Put t4_2a in VER2.
8785         * testsuite/ver_test_4.cc (t4_2a): Define.
8786         * testsuite/ver_test_4.script: Put t4_2a in VER2.
8787         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
8788
8789 2008-07-17  Ian Lance Taylor  <iant@google.com>
8790
8791         * dynobj.cc (Versions::add_def): If we give an error about a
8792         missing version, go ahead and create the version anyhow.
8793
8794 2008-07-10  Ian Lance Taylor  <iant@google.com>
8795
8796         Handle output sections with more than 0x7fffffff bytes.
8797         * object.h (class Relobj): Change map_to_output_ to
8798         output_sections_, and just keep a section pointer.  Change all
8799         uses.  Move comdat group support to Sized_relobj.
8800         (Relobj::is_section_specially_mapped): Remove.
8801         (Relobj::output_section): Remove poff parameter.  Change all
8802         callers.
8803         (Relobj::output_section_offset): New function.
8804         (Relobj::set_section_offset): Rewrite.
8805         (Relobj::map_to_output): Remove.
8806         (Relobj::output_sections): New function.
8807         (Relobj::do_output_section_offset): New pure virtual function.
8808         (Relobj::do_set_section_offset): Likewise.
8809         (class Sized_relobj): Add section_offsets_ field.  Add comdat
8810         group support from Relobj.  Update declarations.
8811         (Sized_relobj::get_output_section_offset): New function.
8812         (Sized_relobj::do_output_section_offset): New function.
8813         (Sized_relobj::do_set_section_offset): New function.
8814         * object.cc (Relobj::output_section_address): Remove.
8815         (Sized_relobj::Sized_relobj): Initialize new fields.
8816         (Sized_relobj::include_section_group): Cast find_kept_object to
8817         Sized_relobj.
8818         (Sized_relobj::include_linkonce_section): Likewise.
8819         (Sized_relobj::do_layout): Use separate arrays for output section
8820         and output offset.
8821         (Sized_relobj::do_count_local_symbols): Change map_to_output to
8822         output_sections.
8823         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
8824         output_sections and section_offsets.
8825         (Sized_relobj::write_local_symbols): Likewise.
8826         (map_to_kept_section): Compute output address directly.
8827         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
8828         output_sections and section_offsets.
8829         (Sized_relobj::write_sections): Likewise.
8830         (Sized_relobj::relocate_sections): Likewise.
8831         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
8832         * output.h (class Output_reloc): Update declarations.  Change
8833         u2_.relobj to Sized_relobj*.
8834         (class Output_data_reloc): Change add functions to use
8835         Sized_relobj*.
8836         * output.cc (Output_reloc::Output_reloc): Change relobj to
8837         Sized_relobj*.
8838         (Output_reloc::local_section_offset): Change return type to
8839         Elf_Addr.  Use get_output_section_offset.
8840         (Output_reloc::get_address): Likewise.
8841         (Output_section::is_input_address_mapped): Don't call
8842         is_section_specially_mapped.
8843         (Output_section::output_offset): Likewise.
8844         (Output_section::output_address): Likewise.
8845         (Output_section::starting_output_address): Likewise.
8846         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
8847         parameter to Sized_relobj*.
8848         (Copy_relocs::need_copy_reloc): Likewise.
8849         (Copy_relocs::save): Likewise.
8850         * copy-relocs.h (class Copy_relocs): Update declarations.
8851         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
8852         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
8853         * target-reloc.h (relocate_for_relocatable): Change
8854         offset_in_output_section type to Elf_Addr.  Change code that uses
8855         it as well.
8856         * layout.cc (Layout::layout): Always set *off.
8857         * mapfile.cc (Mapfile::print_input_section): Use
8858         output_section_offset.
8859         * i386.cc (Target_i386::copy_reloc): Change object parameter to
8860         Sized_relobj*.
8861         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
8862         * sparc.cc (Target_sparc::copy_reloc): Likewise.
8863         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
8864
8865 2008-07-03  Ian Lance Taylor  <iant@google.com>
8866
8867         * layout.cc (Layout::include_section): Do not discard unrecognized
8868         SHT_STRTAB sections.
8869
8870 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
8871
8872         * script.cc (Lex::can_continue_name): Make '?' allowable in
8873         version-script names.
8874         * testsuite/version_script.map: Change glob pattern to use '?'
8875
8876 2008-06-30  Manish Singh  <yosh@gimp.org>
8877
8878         PR 6585
8879         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
8880         Correct typo.
8881
8882 2008-06-30  Ian Lance Taylor  <iant@google.com>
8883
8884         PR 6660
8885         PR 6682
8886         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
8887         versions]: Don't try to read the value in the contents, since we
8888         don't use it.  Use the template endianness when writing.
8889
8890 2008-06-25  Cary Coutant  <ccoutant@google.com>
8891
8892         * fileread.cc (File_read::make_view): Assert on zero-length view.
8893         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
8894         symbol table when there are no symbols to read.
8895
8896 2008-06-23  Craig Silverstein  <csilvers@google.com>
8897
8898         * version.cc (version_string): Bump to 1.7
8899
8900 2008-06-18  Craig Silverstein  <csilvers@google.com>
8901
8902         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8903         constant 0xFFFF to type Valtype.
8904         (Powerpc_relocate_functions::rel16_ha): Likewise.
8905
8906 2008-06-17  Ian Lance Taylor  <iant@google.com>
8907
8908         * output.h (Output_section::Input_section): Initialize p2align_ to
8909         zero for Output_section_data constructors.
8910         (Output_section::Input_section::addralign): If not an input
8911         section, return the alignment of the Output_section_data.
8912         * testsuite/copy_test.cc: New file.
8913         * testsuite/copy_test_1.cc: New file.
8914         * testsuite/copy_test_2.cc: New file.
8915         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8916         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8917         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8918         (copy_test_1_pic.o, copy_test_1.so): New targets.
8919         (copy_test_2_pic.o, copy_test_2.so): New targets.
8920         * testsuite/Makefile.in: Rebuild.
8921
8922         * script-sections.cc (Script_sections::place_orphan): Initialize
8923         local variable exact.
8924
8925 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8926
8927         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8928
8929 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8930             David S. Miller  <davem@davemloft.net>
8931
8932         * powerpc.cc: New file.
8933         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8934         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8935         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8936         * Makefile.in: Rebuild.
8937
8938 2008-06-09  Ian Lance Taylor  <iant@google.com>
8939
8940         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8941         <exception>.
8942         (throwing, orig_terminate): New static variables.
8943         (terminate_handler): New static function.
8944         (t2): Set terminate handler.
8945
8946 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8947
8948         PR 6584
8949         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8950         alignment.
8951
8952 2008-05-30  Cary Coutant  <ccoutant@google.com>
8953
8954         * archive.cc (Archive::include_all_members) Correct to step
8955         over symbol table and extended name table in thin archives.
8956
8957 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8958
8959         PR 6407
8960         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8961         calculation.
8962
8963 2008-05-28  Caleb Howe  <cshowe@google.com>
8964
8965         * reduced_debug_output.cc: New file.
8966         * reduced_debug_output.h: New file.
8967         * options.h (class General_options): Add --strip-debug-non-line.
8968         * options.cc (General_options::finalize): Add strip_debug_non_line
8969         to the strip heirarchy.
8970         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8971         fields.
8972         * layout.cc: Include "reduced_debug_output.h".
8973         (Layout::Layout): Initialize new fields.
8974         (line_only_debug_sections): New static array.
8975         (is_lines_only_debug_sections): New static inline function.
8976         (Layout::include_section): Handle --strip-debug-non-line.
8977         (Layout::make_output_section): If --strip-debug-non-line, build
8978         new output sections for .debug_abbrev and .debug_info.
8979         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8980         gold.  Warn about possible overflow.
8981         (read_signed_LEB_128): Likewise.
8982         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8983         (read_signed_LEB_128): Declare.
8984         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8985         (HFILES): Add reduced_debug_output.h.
8986         * Makefile.in: Rebuild.
8987
8988 2008-05-21  Ian Lance Taylor  <iant@google.com>
8989
8990         * mapfile.cc: New file.
8991         * mapfile.h: New file.
8992         * options.h (class General_options): Add -M/--print-map and -Map.
8993         * options.cc (General_options::finalize): Make -M equivalent to
8994         -Map -.
8995         * main.cc: Include <cstdio> and "mapfile.h".
8996         (main): Open mapfile if requested.
8997         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8998         constructor.  Change caller.
8999         (queue_initial_tasks): Add mapfile parameter.  Change caller.
9000         (queue_middle_tasks): Likewise.
9001         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
9002         declarations.
9003         * archive.cc: Include "mapfile.h".
9004         (Archive::add_symbols): Add mapfile parameter.  Change all
9005         callers.  Pass mapfile, symbol, and reason to include_member.
9006         (Archive::include_all_members): Add mapfile parameter.  Change all
9007         callers.
9008         (Archive::include_member): Add mapfile, sym, and why parameters.
9009         Change all callers.  Report inclusion to map file.
9010         * archive.h: Include "fileread.h".
9011         (class Archive): Update declarations.
9012         (Archive::file): New const method.
9013         (class Add_archive_symbols): Add mapfile_ field.  Update
9014         constructor.  Change all callers.
9015         * readsyms.h (class Read_symbols): Likewise.
9016         (class Finish_group): Likewise.
9017         (class Read_script): Likewise.
9018         * common.cc: Include "mapfile.h".
9019         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
9020         all callers.
9021         (Symbol_table::do_allocate_commons): Likewise.
9022         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
9023         symbol allocation to mapfile.
9024         * common.h (class Allocate_commons_task): Add mapfile_ field.
9025         Update constructor.  Change all callers.
9026         * symtab.h (class Symbol_table): Update declarations.
9027         * layout.cc: Include "mapfile.h".
9028         (Layout_task_runner::run): Print information to mapfile.
9029         (Layout::create_gold_note): Change Output_data_fixed_space to
9030         Output_data_zero_fill.
9031         (Layout::create_build_id): Likewise.
9032         (Layout::print_to_mapfile): New function.
9033         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
9034         constructor.  Change caller.
9035         (class Layout): Declare print_to_mapfile.
9036         * output.cc (Output_section::Input_section::print_to_mapfile): New
9037         function.
9038         (Output_section::add_input_section): If producing a map, always
9039         add to input_sections_ list.
9040         (Output_section::do_print_to_mapfile): New function.
9041         (Output_segment::print_sections_to_mapfile): New function.
9042         (Output_segment::print_section_list_to_mapfile): New function.
9043         * output.h: Include "mapfile.h".
9044         (Output_data::print_to_mapfile): New function.
9045         (Output_data::do_print_to_mapfile): New virtual function.
9046         (Output_segment_headers::do_print_to_mapfile): New function.
9047         (Output_file_header::do_print_to_mapfile): New function.
9048         (Output_data_const::do_print_to_mapfile): New function.
9049         (class Output_data_const_buffer): Add map_name_ field.  Update
9050         constructor.  Change all callers.  Add do_print_to_mapfile
9051         function.
9052         (class Output_data_fixed_space): Likewise.
9053         (class Output_data_space): Likewise.
9054         (class Output_data_zero_fill): New class.
9055         (Output_data_strtab::do_print_to_mapfile): New function.
9056         (Output_data_reloc_base::do_print_to_mapfile): New function.
9057         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9058         (Output_data_group::do_print_to_mapfile): New function.
9059         (Output_data_got::do_print_to_mapfile): New function.
9060         (Output_data_dynamic::do_print_to_mapfile): New function.
9061         (Output_symtab_xindex::do_print_to_mapfile): New function.
9062         (class Output_section): Declare do_print_to_mapflie.  Declare
9063         print_to_mapfile in Input_section.
9064         (class Output_segment): Declare new functions.
9065         * object.h (Sized_relobj::symbol_count): New function.
9066         * script-sections.cc
9067         (Output_section_element_dot_assignment::set_section_addresses):
9068         Change Output_data_fixed_space to Output_data_zero_fill.
9069         (Output_data_expression::do_print_to_mapfile): New function.
9070         * script.cc (read_input_script): Add mapfile parameter.  Change
9071         all callers.
9072         * script.h (read_input_script): Update declaration.
9073         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9074         (Eh_frame::do_print_to_mapfile): New function.
9075         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9076         (Output_merge_string::do_print_to_mapfile): New function.
9077         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9078         function.
9079         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9080         function.
9081         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9082         function.
9083         * Makefile.am (CCFILES): Add mapfile.cc.
9084         (HFILES): Add mapfile.h.
9085         * Makefile.in: Rebuild.
9086
9087 2008-05-19  Ian Lance Taylor  <iant@google.com>
9088
9089         * options.h (class General_options): Add -z relro.
9090         * layout.cc (Layout::Layout): Initialize relro_segment_.
9091         (Layout::add_output_section_data): Return the output section.
9092         (Layout::make_output_section): Rcognize relro sections and mark
9093         them appropriately.
9094         (Layout::attach_allocated_section_to_segment): Put relro sections
9095         in a PT_GNU_RELRO segment.
9096         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9097         section as relro.
9098         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9099         PT_TLS segments.
9100         (Layout::linkonce_mapping): Map d.rel.ro.local to
9101         .data.rel.ro.local.
9102         (Layout::output_section_name): Us .data.rel.ro.local for any
9103         section which begins with that.
9104         * layout.h (class Layout): Update add_output_section_data
9105         declaration.  Add relro_segment_ field.
9106         * output.cc (Output_section::Output_section): Initialize is_relro_
9107         and is_relro_local_ fields.
9108         (Output_segment::add_output_section): Group relro sections.
9109         (Output_segment::is_first_section_relro): New function.
9110         (Output_segment::maximum_alignment): If there is a relro section,
9111         align the segment to the common page size.
9112         (Output_segment::set_section_addresses): Track whether we are
9113         looking at relro sections.  If the last section is a relro
9114         section, align to the common page size.
9115         (Output_segment::set_section_list_addresses): Add in_relro
9116         parameter.  Change all callers.  Align to the page size when
9117         moving from relro to non-relro section.
9118         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9119         segment.
9120         * output.h (class Output_section): Add is_relro_ and
9121         is_relro_local_ fields.
9122         (Output_section::is_relro): New function.
9123         (Output_section::set_is_relro): New function.
9124         (Output_section::is_relro_local): New function.
9125         (Output_section::set_is_relro_local): New function.
9126         (class Output_segment): Update declarations.
9127         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9128         * sparc.cc (Target_sparc::got_section): Likewise.
9129         * x86_64.cc (Target_x86_64::got_section): Likewise.
9130         * testsuite/relro_test_main.cc: New file.
9131         * testsuite/relro_test.cc: New file.
9132         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9133         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9134         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9135         (relro_test.so, relro_test_pic.o): New targets.
9136         * testsuite/Makefile.in: Rebuild.
9137
9138 2008-05-16  Ian Lance Taylor  <iant@google.com>
9139
9140         * output.cc (Output_segment::add_output_section): Remove front
9141         parameter.
9142         * output.h (class Output_segment): Remove
9143         add_initial_output_section and overloaded add_output_section.
9144         Update declaration of remaining add_output_section.
9145         * layout.cc (Layout::create_interp): Call add_output_section
9146         rather than add_initial_output_section.
9147         (Layout::finish_dynamic_section): Likewise.
9148
9149         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9150         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9151         know the dynamic type.
9152         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9153         field.  Initialize it in constructor.
9154         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9155         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9156         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9157         reloc.
9158
9159         * output.cc (Output_reloc::get_address): Change return type to
9160         Elf_Addr.
9161         * output.h (class Output_reloc): Update get_address declaration.
9162         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9163         for section addresses.
9164
9165 2008-05-09  Ian Lance Taylor  <iant@google.com>
9166
9167         PR 6493
9168         * gold.cc (gold_nomem): Use return value of write.
9169
9170 2008-05-08  Ian Lance Taylor  <iant@google.com>
9171
9172         * symtab.c (Symbol::init_base_output_data): Add version
9173         parameter.  Change all callers.
9174         (Symbol::init_base_output_segment): Likewise.
9175         (Symbol::init_base_constant): Likewise.
9176         (Symbol::init_base_undefined): Likewise.
9177         (Sized_symbol::init_output_data): Likewise.
9178         (Sized_symbol::init_output_segment): Likewise.
9179         (Sized_symbol::init_constant): Likewise.
9180         (Sized_symbol::init_undefined): Likewise.
9181         (Symbol_table::do_define_in_output_data): If the new symbol has a
9182         version, mark it as the default.
9183         (Symbol_table::do_define_in_output_segment): Likewise.
9184         (Symbol_table::do_define_as_constant): Likewise.
9185         * symtab.h (class Symbol): Update declarations.
9186         (class Sized_symbol): Likewise.
9187         * resolve.cc (Symbol::override_version): New function.
9188         (Symbol::override_base): Call override_version.
9189         (Symbol::override_base_with_special): Likewise.
9190         * testsuite/ver_script_8.script: New file.
9191         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9192         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9193         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9194         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9195
9196 2008-05-06  Ian Lance Taylor  <iant@google.com>
9197
9198         PR 6049
9199         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9200         functions.
9201         (class General_options): Remove existing --undefined, and add
9202         --no-undefined instead.  Add new --undefined as synonym for -u.
9203         * archive.cc (Archive::add_symbols): Check whether symbol was
9204         named with -u.
9205         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9206         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9207         all uses.  Add IS_UNDEFINED.  Update declarations to split
9208         different versions of init_base.  Declare init_base_undefined.
9209         (Symbol::is_defined): Handle IS_UNDEFINED.
9210         (Symbol::is_undefined): Likewise.
9211         (Symbol::is_weak_undefined): Call is_undefined.
9212         (Symbol::is_absolute): Handle IS_CONSTANT.
9213         (class Sized_symbol): Update declarations to split different
9214         versions of init.  Declare init_undefined.
9215         (class Symbol_table): Declare new functions.
9216         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9217         Change all callers.
9218         (Symbol::init_base_output_data): Likewise.
9219         (Symbol::init_base_output_segment): Likewise.
9220         (Symbol::init_base_constant): Likewise.
9221         (Symbol::init_base_undefined): New function.
9222         (Sized_symbol::init_object): Rename from init.  Change all
9223         callers.
9224         (Sized_symbol::init_output_data): Likewise.
9225         (Sized_symbol::init_output_segment): Likewise.
9226         (Sized_symbol::init_constant): Likewise.
9227         (Sized_symbol::init_undefined): New function.
9228         (Symbol_table::add_undefined_symbols_from_command_line): New
9229         function.
9230         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9231         function.
9232         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9233         (Symbol::output_section): Likewise.
9234         (Symbol::set_output_section): Likewise.
9235         (Symbol_table::sized_finalize_symbol): Likewise.
9236         (Symbol_table::sized_write_globals): Likewise.
9237         * resolve.cc (Symbol_table::should_override): Likewise.
9238         (Symbol::override_base_with_special): Likewise.
9239
9240         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
9241         symbol, change it to have default visibility.
9242         * testsuite/protected_1.cc: New file.
9243         * testsuite/protected_2.cc: New file.
9244         * testsuite/protected_3.cc: New file.
9245         * testsuite/protected_main_1.cc: New file.
9246         * testsuite/protected_main_2.cc: New file.
9247         * testsuite/protected_main_3.cc: New file.
9248         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
9249         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
9250         (protected_1_LDFLAGS, protected_1_LDADD): Define.
9251         (protected_1.so): New target.
9252         (protected_1_pic.o, protected_2_pic.o): New targets.
9253         (protected_3_pic.o): New target.
9254         (check_PROGRAMS): Add protected_2.
9255         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
9256         (protected_2_LDFLAGS, protected_2_LDADD): Define.
9257         * testsuite/Makefile.in: Rebuild.
9258
9259         * options.h (DEFINE_var): Add set_user_set_##varname__.
9260         (DEFINE_bool_alias): New macro.
9261         (class General_options): Define -Bstatic using DEFINE_bool_alias
9262         rather than DEFINE_special.  Add --undefined as an alias for -z
9263         defs.
9264         * options.cc (General_options::parse_Bstatic): Remove.
9265
9266         * options.h (class General_options): Add --fatal-warnings.
9267         * main.cc (main): Implement --fatal-warnings.
9268         * errors.h (Errors::warning_count): New function.
9269
9270         * options.h (class General_options): Add -Bsymbolic-functions.
9271         * symtab.h (Symbol::is_preemptible): Check for
9272         -Bsymbolic-functions.
9273
9274 2008-05-05  Ian Lance Taylor  <iant@google.com>
9275
9276         * options.h (DEFINE_bool): For DASH_Z, create the negative option
9277         as noVARNAME rather than no-VARNAME.
9278         (class General_options): Add option -z combreloc.
9279         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
9280         get_address.
9281         (Output_reloc::sort_before) [SHT_REL]: New function.
9282         (Output_reloc::sort_before) [SHT_RELA]: New function.
9283         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
9284         Sort_relocs_comparison.
9285         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
9286         parameter.  Change all callers.
9287         (Output_data_reloc::Output_data_reloc) [both versions]: Add
9288         sort_relocs parameter.  Change all callers.
9289         * output.cc (Output_reloc::get_address): New function, broken out
9290         of write_rel.
9291         (Output_reloc::write_rel): Call it.
9292         (Output_reloc::compare): New function.
9293         (Output_data_reloc_base::do_write): Optionally sort relocs.
9294
9295         * configure.ac: If targ_extra_obj is set, link it in.
9296         * configure.tgt: Initialize all variables.
9297         (x86_64*): Set targ_extra_obj and targ_extra_size.
9298         * configure: Rebuild.
9299
9300         * object.cc (Sized_relobj::include_section_group): Adjust section
9301         indexes read from group data.  Build vector to pass to
9302         layout_group.
9303         * layout.cc (Layout::layout_group): Add flags and shndxes
9304         parameters.  Remove contents parameter.  Change caller.  Update
9305         explicit instantiations.
9306         * layout.h (class Layout): Update layout_group declaration.
9307         * output.cc (Output_data_group::Output_data_group): Add flags and
9308         input_shndxes parameters.  Remove contents parameter.  Change
9309         caller.
9310         (Output_data_group::do_write): Change input_sections_ to
9311         input_shndxes_.
9312         * output.h (class Output_data_group): Update constructor
9313         declaration.  Rename input_sections_ to input_shndxes_.
9314         * testsuite/many_sections_test.cc: Add template.
9315
9316 2008-04-30  Cary Coutant  <ccoutant@google.com>
9317
9318         * target-reloc.h (relocate_section): Fix dead-pointer bug.
9319
9320         * layout.cc (Layout::include_section): Refactored check for debug
9321         info section.
9322         (Layout::add_comdat): Add new parameters.  Change type
9323         of signature parameter.  Add object and shndx to signatures table.
9324         (Layout::find_kept_object): New function.
9325         * layout.h: Include <cstring>.
9326         (Layout::is_debug_info_section): New function.
9327         (Layout::add_comdat): Add new parameters.
9328         (Layout::find_kept_object): New function.
9329         (Layout::Kept_section): New struct.
9330         (Layout::Signatures): Change type of map range.
9331         * object.cc (Relobj::output_section_address): New function.
9332         (Sized_relobj::include_section_group): Add new parameters.  Change
9333         calls to Layout::add_comdat.  Change to build table of kept comdat
9334         groups and table mapping discarded sections to kept sections.
9335         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
9336         (Sized_relobj::do_layout): Change calls to include_section_group and
9337         include_linkonce_section.
9338         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
9339         value to zero when section is discarded.
9340         (Sized_relobj::map_to_kept_section): New function.
9341         * object.h (Relobj::output_section_address): New function.
9342         (Relobj::Comdat_group): New type.
9343         (Relobj::find_comdat_group): New function.
9344         (Relobj::Comdat_group_table): New type.
9345         (Relobj::Kept_comdat_section): New type.
9346         (Relobj::Kept_comdat_section_table): New type.
9347         (Relobj::add_comdat_group): New function.
9348         (Relobj::set_kept_comdat_section): New function.
9349         (Relobj::get_kept_comdat_section): New function.
9350         (Relobj::comdat_groups_): New field.
9351         (Relobj::kept_comdat_sections_): New field.
9352         (Symbol_value::input_value): Update comment.
9353         (Sized_relobj::map_to_kept_section) New function.
9354         (Sized_relobj::include_linkonce_section): Add new parameter.
9355         * target-reloc.h (Comdat_behavior): New type.
9356         (get_comdat_behavior): New function.
9357         (relocate_section): Add code to map a discarded section to the
9358         corresponding kept section when applying a relocation.
9359
9360 2008-04-30  Craig Silverstein  <csilvers@google.com>
9361
9362         * dwarf_reader.cc (next_generation_count): New static var.
9363         (Addr2line_cache_entry): New struct.
9364         (addr2line_cache): New static var.
9365         (Dwarf_line_info::one_addr2line): Added caching.
9366         (Dwarf_line_info::clear_addr2line_cache): New function.
9367         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
9368         cache-size parameter.
9369         (Dwarf_line_info::one_addr2line_cache): New function.
9370         * symtab.cc (Symbol_table::detect_odr_violations): Pass
9371         new cache-size argument to one_addr2line(), and clear cache.
9372
9373 2008-04-28  Cary Coutant  <ccoutant@google.com>
9374
9375         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
9376         R_386_PC8 relocations.
9377
9378 2008-04-23  Ian Lance Taylor  <iant@google.com>
9379
9380         * object.cc (Sized_relobj::include_section_group): Check for
9381         invalid section group.
9382
9383         * object.cc (make_elf_object): Correct test for 64-bit ELF file
9384         header size.
9385
9386         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
9387         than read for file header.
9388         * archive.cc (Archive::include_member): Likewise.
9389
9390 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
9391
9392         * aclocal.m4: Regenerate.
9393         * configure: Regenerate.
9394
9395 2008-04-19  Ian Lance Taylor  <iant@google.com>
9396
9397         * version.cc (version_string): Bump to 1.6.
9398
9399         * testsuite/Makefile.am (many_sections_r_test): New target.
9400         (many_sections_r_test_SOURCES): Remove.
9401         (many_sections_r_test_DEPENDENCIES): Remove.
9402         (many_sections_r_test_LDFLAGS): Remove.
9403         (many_sections_r_test_LDADD): Remove.
9404
9405         * object.cc (Sized_relobj::do_add_symbols): Always pass
9406         local_symbol_count_ to add_from_relobj.
9407
9408         * testsuite/Makefile.am (many_sections_check.h): Only check one in
9409         every thousand variables.
9410         * testsuite/Makefile.in: Rebuild.
9411
9412         * object.cc (Xindex::initialize_symtab_xindex): New function.
9413         (Xindex::read_symtab_xindex): New function.
9414         (Xindex::sym_xindex_to_shndx): New function.
9415         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
9416         available.
9417         (Sized_relobj::do_initialize_xindex): New function.
9418         (Sized_relobj::do_read_symbols): Adjust section links.
9419         (Sized_relobj::symbol_section_and_value): Add is_ordinary
9420         parameter.  Change all callers.
9421         (Sized_relobj::include_section_group): Adjust section links and
9422         symbol section indexes.
9423         (Sized_relobj::do_layout): Adjust section links.
9424         (Sized_relobj::do_count_local_symbols): Adjust section links and
9425         symbol section indexes.
9426         (Sized_relobj::do_finalize_local_symbols): Distinguish between
9427         ordinary and special symbols.
9428         (Sized_relobj::write_local_symbols): Add symtab_xindex and
9429         dynsym_xindex parameters.  Change all callers.  Adjust section
9430         links.  Use SHN_XINDEX when needed.
9431         (Sized_relobj::get_symbol_location_info): Adjust section links.
9432         Don't get fooled by special symbols.
9433         * object.h (class Xindex): Define.
9434         (class Object): Add xindex_ parameter.  Declare virtual functoin
9435         do_initialize_xindex.
9436         (Object::adjust_sym_shndx): New function.
9437         (Object::set_xindex): New protected function.
9438         (class Symbol_value): Add is_ordinary_shndx_ field.
9439         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
9440         (Symbol_value::value): Assert ordinary section.
9441         (Symbol_value::initialize_input_to_output_map): Likewise.
9442         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
9443         Change all callers.
9444         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
9445         all callers.
9446         (class Sized_relobj): Update declarations.
9447         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
9448         parameter.  Change all callers.
9449         (Sized_relobj::adjust_shndx): New function.
9450         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
9451         field.
9452         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
9453         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
9454         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
9455         (Sized_dynobj::read_dynsym_section): Adjust section links.
9456         (Sized_dynobj::read_dynamic): Likewise.
9457         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
9458         section links.
9459         (Sized_dynobj::do_initialize_xindex): New function.
9460         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
9461         do_initialize_xindex.
9462         (Sized_dynobj::adjust_shndx): New function.
9463         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
9464         dynsym_xindex_ fields.
9465         (Layout::finalize): Add a call to set_section_indexes before
9466         creating the symtab sections.
9467         (Layout::set_section_indexes): Don't do anything if the section
9468         already has a section index.
9469         (Layout::create_symtab_sections): Add shnum parameter.  Change
9470         caller.  Create .symtab_shndx section if needed.
9471         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
9472         caller.
9473         (Layout::allocated_output_section_count): New function.
9474         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
9475         needed.
9476         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
9477         fields.  Update declarations.
9478         (Layout::symtab_xindex): New function.
9479         (Layout::dynsym_xindex): New function.
9480         (class Write_symbols_task): Add layout_ field.
9481         (Write_symbols_task::Write_symbols_task): Add layout parameter.
9482         Change caller.
9483         * output.cc (Output_section_headers::Output_section_headers): Add
9484         shstrtab_section parameter.  Change all callers.
9485         (Output_section_headers::do_sized_write): Store overflow values
9486         for section count and section string table section index in
9487         section header zero.
9488         (Output_file_header::do_sized_write): Check for overflow of
9489         section count and section string table section index.
9490         (Output_symtab_xindex::do_write): New function.
9491         (Output_symtab_xindex::endian_do_write): New function.
9492         * output.h (class Output_section_headers): Add shstrtab_section_.
9493         Update declarations.
9494         (class Output_symtab_xindex): Define.
9495         (Output_section::has_out_shndx): New function.
9496         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
9497         field.
9498         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
9499         Change all callers.
9500         (Sized_symbol::init): Likewise.
9501         (Symbol::output_section): Check for ordinary symbol.
9502         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
9503         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
9504         callers.
9505         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
9506         Change all callers.  Simplify handling of symbols from sections
9507         not included in the link.
9508         (Symbol_table::add_from_dynobj): Handle ordinary symbol
9509         distinction.
9510         (Weak_alias_sorter::operator()): Assert that symbols are
9511         ordinary.
9512         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
9513         distinction.
9514         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
9515         parameters.  Change all callers.
9516         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
9517         symbol distinction.  Use SHN_XINDEX when needed.
9518         (Symbol_table::write_section_symbol): Add symtab_xindex
9519         parameter.  Change all callers.
9520         (Symbol_table::sized_write_section_symbol): Likewise.  Use
9521         SHN_XINDEX when needed.
9522         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
9523         declarations.
9524         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
9525         (Symbol::is_defined): Check is_ordinary.
9526         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
9527         (Symbol::is_absolute, Symbol::is_common): Likewise.
9528         (class Sized_symbol): Update declarations.
9529         (class Symbol_table): Update declarations.
9530         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
9531         parameters.  Change all callers.
9532         (Sized_symbol::override): Likewise.
9533         (Symbol_table::override): Likewise.
9534         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
9535         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
9536         is_ordinary, and orig_st_shndx parameters.  Change all callers.
9537         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
9538         to be in an ordinary section.
9539         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
9540         object and is_ordinary parameters.  Change all callers.
9541         (Sized_dwarf_line_info::read_relocs): Add object parameter.
9542         Change all callers.  Don't add undefined or non-ordinary symbols
9543         to reloc_map_.
9544         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
9545         Change all callers.
9546         * dwarf_reader.h (class Sized_dwarf_line_info): Update
9547         declarations.
9548         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
9549         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
9550         (Sized_relobj::relocate_sections): Likewise.
9551         * target-reloc.h (scan_relocs): Adjust section symbol index.
9552         (scan_relocatable_relocs): Likewise.
9553         * i386.cc (Scan::local): Check for ordinary symbols.
9554         * sparc.cc (Scan::local): Likewise.
9555         * x86_64.cc (Scan::local): Likewise.
9556         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
9557         to symbol_section_and_value.
9558         * testsuite/many_sections_test.cc: New file.
9559         * testsuite/Makefile.am (BUILT_SOURCES): Define.
9560         (check_PROGRAMS): Add many_sections_test.
9561         (many_sections_test_SOURCES): Define.
9562         (many_sections_test_DEPENDENCIES): Define.
9563         (many_sections_test_LDFLAGS): Define.
9564         (BUILT_SOURCES): Add many_sections_define.h.
9565         (many_sections_define.h): New target.
9566         (BUILT_SOURCES): Add many_sections_check.h.
9567         (many_sections_check.h): New target.
9568         (check_PROGRAMS): Add many_sections_r_test.
9569         (many_sections_r_test_SOURCES): Define.
9570         (many_sections_r_test_DEPENDENCIES): Define.
9571         (many_sections_r_test_LDFLAGS): Define.
9572         (many_sections_r_test_LDADD): Define.
9573         (many_sections_r_test.o): New target.
9574         * testsuite/Makefile.in: Rebuild.
9575
9576 2008-04-17  Cary Coutant  <ccoutant@google.com>
9577
9578         * errors.cc (Errors::info): New function.
9579         (gold_info): New function.
9580         * errors.h (Errors::info): New function.
9581         * gold.h (gold_info): New function.
9582         * object.cc (Input_objects::add_object): Print trace output.
9583         * options.cc (options::parse_set): New function.
9584         (General_options::parse_wrap): Deleted.
9585         (General_options::General_options): Deleted initializer.
9586         * options.h (options::String_set): New typedef.
9587         (options::parse_set): New function.
9588         (DEFINE_set): New macro.
9589         (General_options::wrap): Changed to use DEFINE_set. Changed
9590         callers of any_wrap_symbols and is_wrap_symbol.
9591         (General_options::trace, General_options::trace_symbol):
9592         New options.
9593         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
9594         (General_options::wrap_symbols_): Deleted.
9595         * symtab.cc (Symbol_table::add_from_object): Print trace output.
9596
9597 2008-04-17  David S. Miller  <davem@davemloft.net>
9598
9599         * options.cc (General_options::parse_V): New function.
9600         * options.h: Add entries for -V and -Qy.
9601
9602 2008-04-17  Ian Lance Taylor  <iant@google.com>
9603
9604         * common.cc (Symbol_table::allocate_commons): Remove options
9605         parameter.  Change caller.
9606         (Symbol_table::do_allocate_commons): Remove options parameter.
9607         Change caller.  Just call do_allocate_commons_list twice.
9608         (Symbol_table::do_allocate_commons_list): New function, broken out
9609         of do_allocate_commons.
9610         * common.h (class Allocate_commons_task): Remove options_ field.
9611         Update constructor.
9612         * symtab.cc (Symbol_table::Symbol_table): Initialize
9613         tls_commons_.
9614         (Symbol_table::add_from_object): Put TLS common symbols on
9615         tls_commons_ list.
9616         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
9617         which are IN_OUTPUT_DATA.
9618         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
9619         allocate_commons and do_allocate_commons declarations.  Declare
9620         do_allocate_commons_list.
9621         * gold.cc (queue_middle_tasks): Update creation of
9622         Allocate_commons_task to not pass options.
9623         * testsuite/Makefile.am (INCLUDES): Add -I.. .
9624         (TLS_TEST_C_FLAGS): New variable.
9625         (tls_test_c_pic.o): New target.
9626         (tls_test_shared.so): Link in tls_test_c_pic.o.
9627         (tls_test_c_pic_ie.o): New target.
9628         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
9629         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
9630         (tls_test_c.o): New target.
9631         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
9632         (tls_pic_test_LDADD): Likewise.
9633         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
9634         (tls_shared_gd_to_ie_test_LDADD): Likewise.
9635         (tls_test_c_gnu2.o): New target.
9636         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
9637         tls_test_c_gnu2.o.
9638         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
9639         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
9640         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
9641         * testsuite/tls_test.cc: Include "config.h".
9642         (t_last): Call t11_last.
9643         * testsuite/tls_test.h (t11, t11_last): Declare.
9644         * testsuite/tls_test_c.c: New file.
9645         * testsuite/tls_test_main.cc (thread_routine): Call t11.
9646         * configure.ac: Check for OpenMP support.
9647         * configure, config.in, Makefile.in: Rebuild.
9648         * testsuite/Makefile.in: Rebuild.
9649
9650 2008-04-16  Cary Coutant  <ccoutant@google.com>
9651
9652         * i386.cc (Target_i386::define_tls_base_symbol): New function.
9653         (Target_i386::tls_base_symbol_defined_): New field.
9654         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9655         (Target_i386::Scan::global): Likewise.
9656         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
9657         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
9658         (Target_x86_64::tls_base_symbol_defined_): New field.
9659         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9660         (Target_x86_64::Scan::global): Likewise.
9661
9662 2008-04-16  Cary Coutant  <ccoutant@google.com>
9663
9664         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
9665         (Symbol::needs_plt_entry): Allow weak undefined symbols.
9666         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
9667         building shared libraries.
9668         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
9669         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
9670         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
9671         * testsuite/Makefile.in: Rebuild.
9672         * testsuite/weak_undef.h: New file.
9673         * testsuite/weak_undef_file1.cc: Add extra test cases.
9674         * testsuite/weak_undef_file2.cc: Likewise.
9675         * testsuite/weak_undef_test.cc: Likewise.
9676
9677 2008-04-16  David S. Miller  <davem@davemloft.net>
9678
9679         * sparc.cc (Target_sparc::Scan): Change from struct to class.
9680         Add issued_non_pic_error_ field.  Declare check_non_pic.
9681         (Target_sparc::Scan::check_non_pic): New function.
9682         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
9683         (Target_sparc::Scan::global): Likewise.
9684
9685         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
9686         * configure: Rebuild.
9687
9688         * options.h (DEFINE_enable): New macro.
9689         (new_dtags): New enable option.
9690         (initfirst, interpose, loadfltr, nodefaultlib,
9691         nodelete, nodlopen, nodump): New -z options.
9692         * layout.cc (Layout:finish_dynamic_section): If new
9693         dtags enabled, emit DT_RUNPATH.  Also, emit a
9694         DT_FLAGS_1 containing any specified -z flags.
9695
9696 2008-04-16  Ian Lance Taylor  <iant@google.com>
9697
9698         * copy-relocs.cc: New file.
9699         * copy-relocs.h: New file.
9700         * reloc.cc: Remove Copy_relocs code.
9701         * reloc.h: Likewise.
9702         * reloc-types.h (struct Reloc_types) [both versions]: Add
9703         get_reloc_addend_noerror.
9704         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
9705         variants of add_global which take an addend which must be zero.
9706         * i386.cc: Include "copy-relocs.h".
9707         (class Target_i386): Change type of copy_relocs_ to variable,
9708         update initializer.
9709         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
9710         Change all callers.
9711         (Target_i386::do_finalize_sections): Change handling of
9712         copy_relocs_.
9713         * sparc.cc: Include "copy-relocs.h".
9714         (class Target_sparc): Change type of copy_relocs_ to variable,
9715         update initializer.
9716         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
9717         Change all callers.
9718         (Target_sparc::do_finalize_sections): Change handling of
9719         copy_relocs_.
9720         * x86_64.cc: Include "copy-relocs.h".
9721         (class Target_x86_64): Change type of copy_relocs_ to variable,
9722         update initializer.
9723         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
9724         class.  Change all callers.
9725         (Target_x86_64::do_finalize_sections): Change handling of
9726         copy_relocs_.
9727         * Makefile.am (CCFILES): Add copy-relocs.cc.
9728         (HFILES): Add copy-relocs.h.
9729
9730         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
9731
9732         * testsuite/script_test_4.sh: Permit leading zeroes.
9733
9734 2008-04-15  Ian Lance Taylor  <iant@google.com>
9735
9736         * script-sections.cc (Script_sections::create_segments): Use
9737         header_size_adjustment even when there is enough room for the
9738         headers.
9739         * testsuite/script_test_4.sh: New file.
9740         * testsuite/script_test_4.t: New file.
9741         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
9742         (check_DATA): Add script_test_4.stdout.
9743         (MOSTLYCLEANFILES): Likewise.
9744         (script_test_4): New target.
9745         (script_test_4.stdout): New target.
9746         * testsuite/Makefile.in: Rebuild.
9747
9748         * sparc.cc: Add definitions for Output_data_plt_sparc class
9749         constants.
9750
9751 2008-04-14  David S. Miller  <davem@davemloft.net>
9752
9753         * sparc.cc: New file.
9754         * Makefile.am (TARGETSOURCES): Add sparc.cc
9755         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
9756         * configure.tgt: Document targ_extra_size and
9757         targ_extra_big_endian.  Add entries for sparc-* and
9758         sparc64-*.
9759         * configure.ac: Handle targ_extra_size and
9760         targ_extra_big_endian.
9761         * Makefile.in: Rebuild.
9762         * configure: Likewise.
9763         * po/POTFILES.in: Likewise.
9764         * po/gold.pot: Likewise.
9765
9766 2008-04-14  Ian Lance Taylor  <iant@google.com>
9767
9768         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
9769         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
9770         in the name/type/flags to section mapping.  Don't call
9771         allocate_output_section.
9772         (Layout::choose_output_section): Change parameter from adjust_name
9773         to is_input_section.  Don't permit input sections after sections
9774         are attached to segments.  Don't call allocate_output_section.
9775         (Layout::layout_eh_frame): Call update_flags_for_input_section,
9776         not write_enable_output_section.
9777         (Layout::make_output_section): Don't push to
9778         unattached_section_list_ nor call attach_to_segment.  Call
9779         attach_section_to_segment if sections are attached.
9780         (Layout::attach_sections_to_segments): New function.
9781         (Layout::attach_section_to_segment): New function.
9782         (Layout::attach_allocated_section_to_segment): Rename from
9783         attach_to_segment.  Remove flags parameter.
9784         (Layout::allocate_output_section): Remove function.
9785         (Layout::write_enable_output_section): Remove function.
9786         * layout.h (class Layout): Update for above changes.  Add new
9787         field sections_are_attached_.
9788         * output.h (Output_section::update_flags_for_input_section): New
9789         function.
9790         * output.cc (Output_section::add_input_section): Call
9791         update_flags_for_input_section.
9792         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
9793
9794 2008-04-11  Cary Coutant  <ccoutant@google.com>
9795
9796         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
9797         thought unnecessary.
9798         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
9799
9800 2008-04-11  Ian Lance Taylor  <iant@google.com>
9801
9802         * output.h (class Output_section_data): Remove inline definition
9803         of set_addralign.
9804         * output.cc (Output_section_data::set_addralign): New function.
9805
9806 2008-04-11  Cary Coutant  <ccoutant@google.com>
9807
9808         Add support for TLS descriptors for i386 and x86_64.
9809         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
9810         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
9811         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
9812         GOT_TYPE_TLS_DESC.
9813         (Target_i386::got_mod_index_entry): Remove unnecessary code.
9814         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
9815         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
9816         relocations.
9817         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
9818         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
9819         Fix problem with initial-exec relocations.
9820         (Target_i386::Relocate::relocate_tls): Likewise.
9821         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
9822         relaxation.
9823         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
9824         support for section-plus-offset dynamic table entries.
9825         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
9826         (Output_data_dynamic::Dynamic_entry): Add support for
9827         section-plus-offset dynamic table entries.
9828         (Output_data_dynamic::Classification): Likewise.
9829         (Output_data_dynamic::classification_): Renamed offset_.
9830         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
9831         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
9832         (Target_x86_64::make_plt_section): New function.
9833         (Target_x86_64::reserve_tlsdesc_entries): New function.
9834         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
9835         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
9836         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
9837         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
9838         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
9839         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
9840         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
9841         add extra PLT entry for TLS descriptors.
9842         (Output_data_plt_x86_64::got_): New field.
9843         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
9844         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
9845         fields.
9846         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
9847         descriptors.
9848         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
9849         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
9850         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
9851         R_386_TLS_DESC_CALL relocations.
9852         (Target_x86_64::Scan::global): Likewise.
9853         (Target_x86_64::do_finalize_sections): Add dynamic table entries
9854         for TLS descriptors.
9855         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
9856         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
9857         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
9858         GD-to-IE relaxation.
9859         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
9860         and TLS_DESCRIPTORS.
9861         * Makefile.in: Rebuild.
9862         * configure: Rebuild.
9863         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
9864         (tls_test_shared2.so): New target.
9865         (tls_shared_gd_to_ie_test_SOURCES): New variable.
9866         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
9867         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
9868         (tls_shared_gd_to_ie_test_LDADD): New variable.
9869         (tls_shared_gnu2_gd_to_ie_test): New target.
9870         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
9871         New targets.
9872         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
9873         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
9874         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
9875         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
9876         (tls_shared_gnu2_test): New target.
9877         (tls_test_gnu2_shared.so): New target.
9878         (tls_shared_gnu2_test_SOURCES): New variable.
9879         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
9880         (tls_shared_gnu2_test_LDFLAGS): New variable.
9881         (tls_shared_gnu2_test_LDADD): New variable.
9882         * testsuite/Makefile.in: Rebuild.
9883         * testsuite/Makefile.
9884
9885 2008-04-11  Ian Lance Taylor  <iant@google.com>
9886
9887         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
9888         justsyms.t.
9889         * testsuite/Makefile.in: Rebuild.
9890
9891         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
9892         long.
9893         * testsuite/script_test_2.cc (main): Adjust test.
9894
9895 2008-04-11  David S. Miller  <davem@davemloft.net>
9896             Ian Lance Taylor  <iant@google.com>
9897
9898         * options.h (General_options): Add entries for '-Y' and
9899         '-relax'.
9900         * options.cc (General_options:finalize): If -Y was used, add those
9901         entries to the library path instead of the default "/lib" and
9902         "/usr/lib".
9903
9904 2008-04-11  David S. Miller  <davem@davemloft.net>
9905
9906         * testsuite/justsyms.t: Start at 0x100.
9907         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9908         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9909         long.
9910         * testsuite/script_test_2.cc: Adjust string and section length
9911         checks.
9912
9913 2008-04-09  Ian Lance Taylor  <iant@google.com>
9914
9915         PR gold/5996
9916         * script-sections.cc (Sections_element::allocate_to_segment): Add
9917         orphan parameter.
9918         (Output_section_definition::allocate_to_segment): Likewise.
9919         (Orphan_output_section::allocate_to_segment): Likewise.
9920         (Script_sections::attach_sections_using_phdrs_clause): Don't
9921         propagate non-PT_LOAD segments to orphan sections.
9922         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9923         readelf rather than objdump.
9924         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9925         .interp section and PT_INTERP segment are the same size.
9926         * testsuite/Makefile.in: Rebuild.
9927
9928         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9929         aliases for symbols defined in the same object.
9930         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9931         (weak_alias_test_SOURCES): New variable.
9932         (weak_alias_test_DEPENDENCIES): New variable.
9933         (weak_alias_test_LDFLAGS): New variable.
9934         (weak_alias_test_LDADD): New variable.
9935         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9936         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9937         (weak_alias_test_3.o): New target.
9938         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9939         * testsuite/weak_alias_test_main.cc: New file.
9940         * testsuite/weak_alias_test_1.cc: New file.
9941         * testsuite/weak_alias_test_2.cc: New file.
9942         * testsuite/weak_alias_test_3.cc: New file.
9943
9944 2008-04-08  Ian Lance Taylor  <iant@google.com>
9945
9946         * options.h (class General_options): Add --noinhibit-exec option.
9947         * main.cc (main): Check --noinhibit-exec.
9948
9949         * options.h (class General_options): Define --wrap as a special
9950         option.  Add wrap_symbols_ field.
9951         (General_options::any_wrap_symbols): New function.
9952         (General_options::is_wrap_symbol): New function.
9953         * options.cc (General_options::parse_wrap): New function.
9954         (General_options::General_options): Initialize wrap_symbols_.
9955         * symtab.cc (Symbol_table::wrap_symbol): New function.
9956         (Symbol_table::add_from_object): Handle --wrap.
9957         * symtab.h (class Symbol_table): Declare wrap_symbol.
9958         * target.h (Target::wrap_char): New function.
9959         (Target::Target_info): Add wrap_char field.
9960         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9961         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9962         * testsuite/testfile.cc (Target_test::test_target_info):
9963         Likewise.
9964
9965         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9966         there is one.
9967
9968         * layout.h (class Layout): Add added_eh_frame_data_ field.
9969         * layout.cc (Layout::Layout): Initialize new field.
9970         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9971         output section until we find a section we merged successfully.
9972         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9973         that the size be non-zero.
9974
9975         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9976         qualifier.
9977
9978 2008-04-08  Craig Silverstein  <csilvers@google.com>
9979
9980         * configure.ac: Export new conditional variable HAVE_ZLIB.
9981         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9982         on HAVE_ZLIB.
9983         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9984         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9985
9986 2008-04-07  Ian Lance Taylor  <iant@google.com>
9987
9988         * version.cc (version_string): Set to "1.5".
9989
9990         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9991         Add issued_non_pic_error_ field.  Declare check_non_pic.
9992         (Target_x86_64::Scan::check_non_pic): New function.
9993         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9994         (Target_x86_64::Scan::global): Likewise.
9995
9996         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9997         addend parameter.  Change caller.  Handle merge sections.
9998         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9999         Address to Addend.  Don't add in the result of
10000         local_section_offset, pass down the addend and use the returned
10001         value.
10002         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
10003         Update declarations of local_section_offset and symbol_value.
10004         * testsuite/two_file_test_1.cc (t18): New function.
10005         * testsuite/two_file_test_2.cc (f18): New function.
10006         * testsuite/two_file_test_main.cc (main): Call t18.
10007         * testsuite/two_file_test.h (t18, f18): Declare.
10008
10009         * configure.ac: Don't test for objdump, c++filt, or readelf.
10010         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
10011         conditionals.
10012         (TEST_READELF): New variable.
10013         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
10014         (check_PROGRAMS): Add two_file_strip_test.
10015         (two_file_strip_test): New target.
10016         (check_PROGRAMS): Add two_file_same_shared_strip_test.
10017         (two_file_same_shared_strip_test_SOURCES): New variable.
10018         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
10019         (two_file_same_shared_strip_test_LDFLAGS): New variable.
10020         (two_file_same_shared_strip_test_LDADD): New variable.
10021         (two_file_shared_strip.so): New target.
10022         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
10023         (ver_test_5.syms, ver_test_7.syms): Likewise.
10024         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
10025         (strip_test_3.stdout): Use TEST_OBJDUMP.
10026         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10027
10028 2008-04-04  Cary Coutant  <ccoutant@google.com>
10029
10030         * symtab.h (Symbol::is_weak_undefined): New function.
10031         (Symbol::is_strong_undefined): New function.
10032         (Symbol::is_absolute): New function.
10033         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
10034         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
10035         absolute symbols.
10036         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10037         (weak_undef_test): New target.
10038         * testsuite/Makefile.in: Rebuild.
10039         * testsuite/weak_undef_file1.cc: New file.
10040         * testsuite/weak_undef_file2.cc: New file.
10041         * testsuite/weak_undef_test.cc: New file.
10042
10043 2008-04-03  Craig Silverstein  <csilvers@google.com>
10044
10045         * compressed_output.h (class Output_compressed_section): Use
10046         unsigned buffer.
10047         * compressed_output.cc (zlib_compress): Use unsigned buffers,
10048         add zlib header.
10049         (zlib_compressed_suffix): Removed.
10050         (Output_compressed_section::set_final_data_size): Use unsigned
10051         buffers.
10052         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10053         Fix linker invocation.
10054         (flagstest_o_specialfile_and_compress_debug_sections):
10055         Likewise.
10056         * testsuite/Makefile.in: Regenerated.
10057
10058 2008-04-02  David S. Miller  <davem@davemloft.net>
10059
10060         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10061         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10062
10063 2008-04-02  Craig Silverstein  <csilvers@google.com>
10064
10065         * TODO: New file.
10066
10067 2008-04-02  Ian Lance Taylor  <iant@google.com>
10068
10069         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10070         parameters.  Update for new key type to views_.  Change all
10071         callers.
10072         (File_read::read): Adjust for byteshift in returned view.
10073         (File_read::add_view): New function, broken out of
10074         find_and_make_view.
10075         (File_read::make_view): New function, broken out of
10076         find_and_make_view.
10077         (File_read::find_or_make_view): Add offset and aligned
10078         parameters.  Rewrite accordingly.  Change all callers.
10079         (File_read::get_view): Add offset and aligned parameters.  Adjust
10080         for byteshift in return value.
10081         (File_read::get_lasting_view): Likewise.
10082         * fileread.h (class File_read): Update declarations.
10083         (class File_read::View): Add byteshift_ field.  Add byteshift to
10084         constructor.  Add byteshift method.
10085         * archive.h (Archive::clear_uncached_views): New function.
10086         (Archive::get_view): Add aligned parameter.  Change all callers.
10087         * object.h (Object::get_view): Add aligned parameter.  Change all
10088         callers.
10089         (Object::get_lasting_view): Likewise.
10090
10091         * fileread.cc (File_read::release): Don't call clear_views if
10092         there are multiple objects.
10093         * fileread.h (File_read::clear_uncached_views): New function.
10094         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10095         on the archive.
10096
10097 2008-03-31  Cary Coutant  <ccoutant@google.com>
10098
10099         Add thin archive support.
10100         * archive.cc (Archive::armagt): New const.
10101         (Archive::setup): Remove task parameter and calls to unlock.
10102         (Archive::unlock_nested_archives): New function.
10103         (Archive::read_header): Add nested_off parameter. Change
10104         all callers.
10105         (Archive::interpret_header): Likewise.
10106         (Archive::include_all_members): Change to handle thin
10107         archives.
10108         (Archive::include_member): Likewise.
10109         * archive.h (Archive::Archive): Add new parameters and
10110         initializers.
10111         (Archive::armagt): New const.
10112         (Archive::setup): Remove task parameter.
10113         (Archive::unlock_nested_archives): New function.
10114         (Archive::read_header): Add nested_off parameter.
10115         (Archive::interpret_header): Likewise.
10116         (Archive::Nested_archive_table): New typedef.
10117         (Archive::is_thin_archive_): New field.
10118         (Archive::nested_archives_): New field.
10119         (Archive::options_): New field.
10120         (Archive::dirpath_): New field.
10121         (Archive::task_): New field.
10122         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10123         for thin archives.  Pass additional parameters to
10124         Archive::Archive.  Unlock the archive file after calling
10125         Archive::setup.
10126
10127 2008-03-29  Ian Lance Taylor  <iant@google.com>
10128
10129         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10130         version symbol to be local.
10131         * testsuite/ver_test_4.sh: New file.
10132         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10133         (check_DATA): Add ver_test_4.syms.
10134         (ver_test_4.syms): New target.
10135         * testsuite/Makefile.in: Rebuild.
10136
10137         * output.cc
10138         (Output_section::Input_section_sort_entry::has_priority): New
10139         function.
10140         (Output_section::Input_section_sort_entry::match_file_name): New
10141         function.
10142         (Output_section::Input_section_sort_entry::match_section_name):
10143         Remove.
10144         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10145         Remove.
10146         (Output_section::Input_section_sort_entry::match_section_file):
10147         Remove.
10148         (Output_section::Input_section_sort_compare::operator()): Rewrite
10149         using new Input_section_sort_entry functions.  Sort crtbegin and
10150         crtend first.  Sort sections with no priority before sections with
10151         a priority.
10152         * testsuite/initpri1.c (d3): Check j != 4.
10153         (cd5): New constructor/destructor function.
10154         (main): Check j != 2.
10155
10156         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10157         new symbol when resolving, don't call set_is_default.
10158         * testsuite/ver_test_7.cc: New file.
10159         * testsuite/ver_test_7.sh: New file.
10160         * testsuite/Makefile.am (ver_test_7.so): New target.
10161         (ver_test_7.o): New target.
10162         (check_SCRIPTS): Add ver_test_7.sh.
10163         (check_DATA): Add ver_test_7.syms.
10164         (ver_test_7.syms): New target.
10165
10166 2008-03-28  Ian Lance Taylor  <iant@google.com>
10167
10168         * layout.cc (Layout::layout): If we see an input section with a
10169         name that needs sorting, set the must_sort flag for the output
10170         section.
10171         (Layout::make_output_section): If the name of the output section
10172         indicates that it might require sorting, set the may_sort flag.
10173         * output.h (Output_section::may_sort_attached_input_sections): New
10174         function.
10175         (Output_section::set_may_sort_attached_input_sections): New
10176         function.
10177         (Output_section::must_sort_attached_input_sections): New
10178         function.
10179         (Output_section::set_must_sort_attached_input_sections): New
10180         function.
10181         (class Output_section): Declare Input_section_sort_entry.  Define
10182         Input_section_sort_compare.  Declare
10183         sort_attached_input_sections.  Add new fields:
10184         may_sort_attached_input_sections_,
10185         must_sort_attached_input_sections_,
10186         attached_input_sections_are_sorted_.
10187         * output.cc (Output_section::Output_section): Initialize new
10188         fields.
10189         (Output_section::add_input_section): Add an entry to
10190         input_sections_ if may_sort or must_sort are true.
10191         (Output_section::set_final_data_size): Call
10192         sort_attached_input_sections if necessary.
10193         (Output_section::Input_section_sort_entry): Define new class.
10194         (Output_section::Input_section_sort_compare::operator()): New
10195         function.
10196         (Output_section::sort_attached_input_sections): New function.
10197         * configure.ac: Check whether the compiler supports constructor
10198         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10199         * testsuite/initpri1.c: New file.
10200         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10201         CONSTRUCTOR_PRIORITY.
10202         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10203         (initpri1_LDFLAGS): New variable.
10204         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10205
10206 2008-03-27  Ian Lance Taylor  <iant@google.com>
10207
10208         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10209         * testsuite/common_test_1.c: New file.
10210         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10211         (common_test_1_SOURCES): New variable.
10212         (common_test_1_DEPENDENCIES): New variable.
10213         (common_test_1_LDFLAGS): New variable.
10214
10215         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10216         and commons_ correctly when NAME/VERSION does not override
10217         NAME/NULL.
10218         * testsuite/ver_test_6.c: New file.
10219         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10220         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10221         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10222
10223 2008-03-26  Ian Lance Taylor  <iant@google.com>
10224
10225         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10226         of an undefined symbol from a version script.
10227         * testsuite/Makefile.am (ver_test_5.so): New target.
10228         (ver_test_5.o): New target.
10229         (check_SCRIPTS): Add ver_test_5.sh.
10230         (check_DATA): Add ver_test_5.syms.
10231         (ver_test_5.syms): New target.
10232         * testsuite/ver_test_5.cc: New file.
10233         * testsuite/ver_test_5.script: New file.
10234         * testsuite/ver_test_5.sh: New file.
10235         * Makefile.in, testsuite/Makefile.in: Rebuild.
10236
10237         PR gold/5986
10238         Fix problems building gold with gcc 4.3.0.
10239         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
10240         (gold_error_at_location, gold_warning_at_location): Use it.
10241         * configure.ac: Check whether we can compile and use a template
10242         function with a printf attribute.
10243         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
10244         when jumping over bytes.
10245         * object.cc: Instantiate Object::read_section_data.
10246         * debug.h: Include <cstring>
10247         * dwarf_reader.cc: Include <algorithm>
10248         * main.cc: Include <cstring>.
10249         * options.cc: Include <cstring>.
10250         * output.cc: Include <cstring>.
10251         * script.cc: Include <cstring>.
10252         * script.h: Include <string>.
10253         * symtab.cc: Include <cstring> and <algorithm>.
10254         * target-select.cc: Include <cstring>.
10255         * version.cc: Include <string>.
10256         * testsuite/testmain.cc: Include <cstdlib>.
10257         * configure, config.in: Rebuild.
10258
10259 2008-03-25  Ian Lance Taylor  <iant@google.com>
10260
10261         * options.cc: Include "../bfd/bfdver.h".
10262         (options::help): Print bug reporting address.
10263
10264         * version.cc (print_version): Adjust output for current value of
10265         BFD_VERSION_STRING.
10266
10267         * NEWS: New file.
10268
10269         * options.cc (options::help): Print list of supported targets.
10270         * target-select.h: Include <vector>.
10271         (class Target_selector): Make machine_, size_, and is_big_endian_
10272         fields const.  Add bfd_name_ and instantiated_target_ fields.
10273         (Target_selector::Target_selector): Add bfd_name parameter.
10274         (Target_selector::recognize): Make non-virtual, call
10275         do_recognize.
10276         (Target_selector::recognize_by_name): Make non-virtual, call
10277         do_recognize_by_name.
10278         (Target_selector::supported_names): New function.
10279         (Target_selector::bfd_name): New function.
10280         (Target_selector::do_instantiate_target): New pure virtual
10281         function.
10282         (Target_selector::do_recognize): New virtual function.
10283         (Target_selector::do_recognize_by_name): New virtual function.
10284         (Target_selector::instantiate_target): New private function.
10285         (supported_target_names): Declare.
10286         * target-select.cc (Target_selector::Target_selector): Update for
10287         new parameter and fields.
10288         (select_target_by_name): Check that the name matches before
10289         calling recognize_by_name.
10290         (supported_target_names): New function.
10291         * i386.cc (class Target_selector_i386): Update Target_selector
10292         constructor call.  Remove recognize and recognize_by_name.  Add
10293         do_instantiate_target.
10294         * x86_64.cc (class Target_selector_x86_64): Likewise.
10295         * testsuite/testfile.cc (class Target_selector_test): Update for
10296         changes to Target_selector.
10297
10298         * README: Rewrite, with some notes on unsupported features.
10299
10300 2008-03-24  Cary Coutant  <ccoutant@google.com>
10301
10302         * i386.cc (Target_i386::Got_type): New enum declaration.
10303         (Target_i386::Scan::local): Updated callers of Output_data_got
10304         member functions.
10305         (Target_i386::Scan::global): Likewise.
10306         (Target_i386::Relocate::relocate): Likewise.
10307         (Target_i386::Relocate::relocate_tls): Likewise.
10308         * object.h (Got_offset_list): New class.
10309         (Sized_relobj::local_has_got_offset): Added got_type parameter.
10310         (Sized_relobj::local_got_offset): Likewise.
10311         (Sized_relobj::set_local_got_offset): Likewise.
10312         (Sized_relobj::local_has_tls_got_offset): Removed.
10313         (Sized_relobj::local_tls_got_offset): Removed.
10314         (Sized_relobj::set_local_tls_got_offset): Removed.
10315         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
10316         * output.cc (Output_data_got::add_global): Added got_type parameter.
10317         (Output_data_got::add_global_with_rel): Likewise.
10318         (Output_data_got::add_global_with_rela): Likewise.
10319         (Output_data_got::add_global_pair_with_rel): New function.
10320         (Output_data_got::add_global_pair_with_rela): New function.
10321         (Output_data_got::add_local): Added got_type parameter.
10322         (Output_data_got::add_local_with_rel): Likewise.
10323         (Output_data_got::add_local_with_rela): Likewise.
10324         (Output_data_got::add_local_pair_with_rel): New function.
10325         (Output_data_got::add_local_pair_with_rela): New function.
10326         (Output_data_got::add_global_tls): Removed.
10327         (Output_data_got::add_global_tls_with_rel): Removed.
10328         (Output_data_got::add_global_tls_with_rela): Removed.
10329         (Output_data_got::add_local_tls): Removed.
10330         (Output_data_got::add_local_tls_with_rel): Removed.
10331         (Output_data_got::add_local_tls_with_rela): Removed.
10332         * output.h (Output_data_got::add_global): Added got_type parameter.
10333         (Output_data_got::add_global_with_rel): Likewise.
10334         (Output_data_got::add_global_with_rela): Likewise.
10335         (Output_data_got::add_global_pair_with_rel): New function.
10336         (Output_data_got::add_global_pair_with_rela): New function.
10337         (Output_data_got::add_local): Added got_type parameter.
10338         (Output_data_got::add_local_with_rel): Likewise.
10339         (Output_data_got::add_local_with_rela): Likewise.
10340         (Output_data_got::add_local_pair_with_rel): New function.
10341         (Output_data_got::add_local_pair_with_rela): New function.
10342         (Output_data_got::add_global_tls): Removed.
10343         (Output_data_got::add_global_tls_with_rel): Removed.
10344         (Output_data_got::add_global_tls_with_rela): Removed.
10345         (Output_data_got::add_local_tls): Removed.
10346         (Output_data_got::add_local_tls_with_rel): Removed.
10347         (Output_data_got::add_local_tls_with_rela): Removed.
10348         * resolve.cc (Symbol::override_base_with_special): Removed
10349         reference to has_got_offset_ field.
10350         * symtab.cc (Symbol::init_fields): Replaced initialization
10351         of got_offset_ with got_offsets_.  Removed initialization
10352         of has_got_offset_
10353         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
10354         (Symbol::got_offset): Likewise.
10355         (Symbol::set_got_offset): Likewise.
10356         (Symbol::has_tls_got_offset): Removed.
10357         (Symbol::tls_got_offset): Removed.
10358         (Symbol::set_tls_got_offset): Removed.
10359         (Symbol::got_offset_): Removed.
10360         (Symbol::tls_mod_got_offset_): Removed.
10361         (Symbol::tls_pair_got_offset_): Removed.
10362         (Symbol::got_offsets_): New field.
10363         (Symbol::has_got_offset): Removed.
10364         (Symbol::has_tls_mod_got_offset): Removed.
10365         (Symbol::has_tls_pair_got_offset): Removed.
10366         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
10367         (Target_x86_64::Scan::local): Updated callers of Output_data_got
10368         member functions.
10369         (Target_x86_64::Scan::global): Likewise.
10370         (Target_x86_64::Relocate::relocate): Likewise.
10371         (Target_x86_64::Relocate::relocate_tls): Likewise.
10372
10373 2008-03-25  Ben Elliston  <bje@au.ibm.com>
10374
10375         * yyscript.y: Fix spelling error in comment.
10376
10377 2008-03-24  Ian Lance Taylor  <iant@google.com>
10378
10379         * options.h (class General_options): Define build_id option.
10380         * layout.h (class Layout): Declare write_build_id, create_note,
10381         create_build_id.  Add build_id_note_ member.
10382         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
10383         "libiberty.h", "md5.h", "sha1.h".
10384         (Layout::Layout): Initialize eh_frame_data_,
10385         eh_frame_hdr_section_, and build_id_note_.
10386         (Layout::finalize): Call create_build_id.
10387         (Layout::create_note): New function, broken out of
10388         Layout::create_gold_note.
10389         (Layout::create_gold_note): Call create_note.
10390         (Layout::create_build_id): New function.
10391         (Layout::write_build_id): New function.
10392         (Close_task_runner::run): Call write_build_id.
10393
10394         * x86_64.cc: Correct license to GPLv3.
10395
10396 2008-03-23  Ian Lance Taylor  <iant@google.com>
10397
10398         * options.cc: Include "demangle.h".
10399         (parse_optional_string): New function.
10400         (parse_long_option): Handle takes_optional_argument.
10401         (parse_short_option): Update dash_z initializer.  Handle
10402         takes_optional_argument.
10403         (General_options::General_options): Initialize do_demangle_.
10404         (General_options::finalize): Set do_demangle_.  Handle demangling
10405         style.
10406         * options.h (parse_optional_string): Declare.
10407         (struct One_option): Add optional_arg field.  Update constructor.
10408         Update call constructor calls.  Add takes_optional_argument
10409         function.
10410         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
10411         (DEFINE_optional_string): Define.
10412         (General_options::demangle): Change from DEFINE_bool to
10413         DEFINE_optional_string.
10414         (General_options::no_demangle): New function.
10415         (General_options::do_demangle): New function.
10416         (General_options::set_do_demangle): New function.
10417         (General_options::execstack_status_): Move definition to end of
10418         class definition.
10419         (General_options::static_): Likewise.
10420         (General_options::do_demangle_): New field.
10421         * object.cc (big_endian>::get_symbol_location_info): Call
10422         Options::do_demangle, not Options::demangle.
10423         * symtab.cc (demangle): Likewise.
10424
10425 2008-03-22  Ian Lance Taylor  <iant@google.com>
10426
10427         * gold.h: Include <cstddef> and <sys/types.h>
10428         * options.h: Include <cstring>.
10429
10430 2008-03-21  Ian Lance Taylor  <iant@google.com>
10431
10432         * Added source code to GNU binutils.