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* i386.cc (Target_i386): Remove unused member dynbss_.
* arm.cc (Target_arm): Likewise.
* powerpc.cc (Target_powerpc): Likewise.
* sparc.cc (Target_sparc): Likewise.
* tilegx.cc (Target_tilegx): Likewise.
* x86_64.cc (Target_x86_64): Likewise.
* dwarf_reader.h (Dwarf_info_reader): Remove unused members
type_signature_, type_offset_.
* plugin.h (Plugin_hook): Remove unused member layout_.
* readsyms.h (Add_symbols): Remove unused members dirpath_, dirindex_,
mapfile_.
(Read_member): Remove unused members input_objects_, symtab_,
mapfile_, layout_.
(Check_library): Remove unused member symtab_.
* archive.h (Lib_group): Remove unused member lib_.
* archive.cc (Lib_group::Lib_group): Update initializer.
* incremental.h (Incremental_binary): Remove unused member target_.
(Incremental_script_entry): Removed unused member script_.
* layout.h (Write_symbols_task): Remove unused member input_objects_.
* icf.h (Icf): Remove unused member num_tracked_relocs.
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* archive.h: Use struct rather than class for forward declaration
of Read_symbols_data.
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* gold/archive.cc (Archive::Archive): Initialize new data member.
(Archive::include_all_members): Return if archive has already been
included.
* gold/archive.h (Archive::include_all_members_): New data member.
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* archive.h (Incremental_archive_entry::Archive_member):
Initialize arg_serial_ (second constructor).
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report_object.
(Add_archive_symbols::run): Track argument serial numbers.
(Lib_group::include_member): Likewise.
(Add_lib_group_symbols::run): Adjust call to report_archive_begin.
* archive.h (Incremental_archive_entry::Archive_member):
Initialize arg_serial_.
(Archive_member::arg_serial_): New data member.
* dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
(Sized_dynobj::do_add_symbols): Track symbols when doing an
incremental link.
(Sized_dynobj::do_for_all_local_got_entries): New function.
* dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
function.
* fileread.cc (get_mtime): New function.
* fileread.h (get_mtime): New function.
* gold.cc (queue_initial_tasks): Check for incremental update.
(process_incremental_input): New function.
(queue_middle_tasks): Don't force valid target for incremental
update.
* incremental-dump.cc (find_input_containing_global): Adjust
size of symbol info entry.
(dump_incremental_inputs): Dump argument serial number and
in_system_directory flag; bias shndx by 1; print symbol names
when dumping per-file symbol lists; use new symbol info readers.
* incremental.cc
(Output_section_incremental_inputs:update_data_size): New function.
(Sized_incremental_binary::setup_readers): Setup input readers
for each input file; build maps for files added from libraries
and scripts.
(Sized_incremental_binary::check_input_args): New function.
(Sized_incremental_binary::do_check_inputs): Build map of argument
serial numbers to input arguments.
(Sized_incremental_binary::do_file_has_changed): Rename
do_file_is_unchanged to this; compare file modification times.
(Sized_incremental_binary::do_init_layout): New function.
(Sized_incremental_binary::do_reserve_layout): New function.
(Sized_incremental_binary::do_get_input_reader): Remove.
(Sized_incremental_binary::get_symtab_view): New function.
(Incremental_checker::can_incrementally_link_output_file): Remove.
(Incremental_inputs::report_command_line): Exclude --debug options.
(Incremental_inputs::report_archive_begin): Add parameter; track
argument serial numbers; don't put input file entry for archive
before archive members.
(Incremental_inputs::report_archive_end): Put input file entry
for archive after archive members.
(Incremental_inputs::report_object): Add parameter; track argument
serial numbers and in_system_directory flag.
(Incremental_inputs::report_script): Add parameter; track argument
serial numbers.
(Output_section_incremental_inputs::set_final_data_size): Adjust
size of symbol info entry; check for forwarding symbols.
(Output_section_incremental_inputs::write_input_files): Write
in_system_directory flag and argument serial number.
(Output_section_incremental_inputs::write_info_blocks): Map section
indices between incremental info and original input file; store
input section index for each symbol.
(class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
change operator() to visit().
(class Global_got_offset_visitor): Likewise.
(class Global_symbol_visitor_got_plt):
(Output_section_incremental_inputs::write_got_plt): Use new visitor
classes.
(Sized_incr_relobj::Sized_incr_relobj): New constructor.
(Sized_incr_relobj::do_read_symbols): New function.
(Sized_incr_relobj::do_layout): New function.
(Sized_incr_relobj::do_layout_deferred_sections): New function.
(Sized_incr_relobj::do_add_symbols): New function.
(Sized_incr_relobj::do_should_include_member): New function.
(Sized_incr_relobj::do_for_all_global_symbols): New function.
(Sized_incr_relobj::do_for_all_local_got_entries): New function.
(Sized_incr_relobj::do_section_size): New function.
(Sized_incr_relobj::do_section_name): New function.
(Sized_incr_relobj::do_section_contents): New function.
(Sized_incr_relobj::do_section_flags): New function.
(Sized_incr_relobj::do_section_entsize): New function.
(Sized_incr_relobj::do_section_address): New function.
(Sized_incr_relobj::do_section_type): New function.
(Sized_incr_relobj::do_section_link): New function.
(Sized_incr_relobj::do_section_info): New function.
(Sized_incr_relobj::do_section_addralign): New function.
(Sized_incr_relobj::do_initialize_xindex): New function.
(Sized_incr_relobj::do_get_global_symbol_counts): New function.
(Sized_incr_relobj::do_read_relocs): New function.
(Sized_incr_relobj::do_gc_process_relocs): New function.
(Sized_incr_relobj::do_scan_relocs): New function.
(Sized_incr_relobj::do_count_local_symbols): New function.
(Sized_incr_relobj::do_finalize_local_symbols): New function.
(Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
(Sized_incr_relobj::do_set_local_dynsym_offset): New function.
(Sized_incr_relobj::do_relocate): New function.
(Sized_incr_relobj::do_set_section_offset): New function.
(Sized_incr_dynobj::Sized_incr_dynobj): New function.
(Sized_incr_dynobj::do_read_symbols): New function.
(Sized_incr_dynobj::do_layout): New function.
(Sized_incr_dynobj::do_add_symbols): New function.
(Sized_incr_dynobj::do_should_include_member): New function.
(Sized_incr_dynobj::do_for_all_global_symbols): New function.
(Sized_incr_dynobj::do_for_all_local_got_entries): New function.
(Sized_incr_dynobj::do_section_size): New function.
(Sized_incr_dynobj::do_section_name): New function.
(Sized_incr_dynobj::do_section_contents): New function.
(Sized_incr_dynobj::do_section_flags): New function.
(Sized_incr_dynobj::do_section_entsize): New function.
(Sized_incr_dynobj::do_section_address): New function.
(Sized_incr_dynobj::do_section_type): New function.
(Sized_incr_dynobj::do_section_link): New function.
(Sized_incr_dynobj::do_section_info): New function.
(Sized_incr_dynobj::do_section_addralign): New function.
(Sized_incr_dynobj::do_initialize_xindex): New function.
(Sized_incr_dynobj::do_get_global_symbol_counts): New function.
(make_sized_incremental_object): New function.
(Incremental_library::copy_unused_symbols): New function.
(Incremental_library::do_for_all_unused_symbols): New function.
* incremental.h (enum Incremental_input_flags): New type.
(class Incremental_checker): Remove.
(Incremental_input_entry::Incremental_input_entry): Add argument
serial number.
(Incremental_input_entry::arg_serial): New function.
(Incremental_input_entry::set_is_in_system_directory): New function.
(Incremental_input_entry::is_in_system_directory): New function.
(Incremental_input_entry::arg_serial_): New data member.
(Incremental_input_entry::is_in_system_directory_): New data member.
(class Script_info): Move here from script.h.
(Script_info::Script_info): Add filename parameter.
(Script_info::filename): New function.
(Script_info::filename_): New data member.
(Incremental_script_entry::Incremental_script_entry): Add argument
serial number.
(Incremental_object_entry::Incremental_object_entry): Likewise.
(Incremental_object_entry::add_input_section): Build list of input
sections with map to original shndx.
(Incremental_object_entry::get_input_section_index): New function.
(Incremental_object_entry::shndx_): New data member.
(Incremental_object_entry::name_key_): Rename; adjust all refs.
(Incremental_object_entry::sh_size_): Rename; adjust all refs.
(Incremental_archive_entry::Incremental_archive_entry): Add argument
serial number.
(Incremental_inputs::report_archive_begin): Likewise.
(Incremental_inputs::report_object): Likewise.
(Incremental_inputs::report_script): Likewise.
(class Incremental_global_symbol_reader): New class.
(Incremental_input_entry_reader::Incremental_input_entry_reader): Read
and store flags and input file type.
(Incremental_input_entry_reader::arg_serial): New function.
(Incremental_input_entry_reader::type): Extract type from flags.
(Incremental_input_entry_reader::is_in_system_directory): New function.
(Incremental_input_entry_reader::get_input_section_count): Call
accessor function for type.
(Incremental_input_entry_reader::get_symbol_offset): Call accessor
function for type; adjust size of global symbol entry.
(Incremental_input_entry_reader::get_global_symbol_count): Call
accessor function for type.
(Incremental_input_entry_reader::get_object_count): Likewise.
(Incremental_input_entry_reader::get_object_offset): Likewise.
(Incremental_input_entry_reader::get_member_count): Likewise.
(Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
(Incremental_input_entry_reader::get_member_offset): Likewise.
(Incremental_input_entry_reader::get_unused_symbol): Likewise.
(Incremental_input_entry_reader::Global_symbol_info): Remove.
(Incremental_input_entry_reader::get_global_symbol_info): Remove.
(Incremental_input_entry_reader::get_global_symbol_reader): New
function.
(Incremental_input_entry_reader::get_output_symbol_index): New
function.
(Incremental_input_entry_reader::type_): Remove.
(Incremental_input_entry_reader::flags_): New data member.
(Incremental_inputs_reader::input_file_offset): New function.
(Incremental_inputs_reader::input_file_index): New function.
(Incremental_inputs_reader::input_file): Call input_file_offset.
(Incremental_inputs_reader::input_file_at_offset): New function.
(Incremental_relocs_reader::get_r_type): Reformat.
(Incremental_relocs_reader::get_r_shndx): Reformat.
(Incremental_relocs_reader::get_r_offset): Reformat.
(Incremental_relocs_reader::data): New function.
(Incremental_binary::Incremental_binary): Initialize new data members.
(Incremental_binary::check_inputs): Add cmdline parameter.
(Incremental_binary::file_is_unchanged): Remove.
(Input_reader::arg_serial): New function.
(Input_reader::get_unused_symbol_count): New function.
(Input_reader::get_unused_symbol): New function.
(Input_reader::do_arg_serial): New function.
(Input_reader::do_get_unused_symbol_count): New function.
(Input_reader::do_get_unused_symbol): New function.
(Incremental_binary::input_file_count): New function.
(Incremental_binary::get_input_reader): Change signature to use
index instead of filename.
(Incremental_binary::file_has_changed): New function.
(Incremental_binary::get_input_argument): New function.
(Incremental_binary::get_library): New function.
(Incremental_binary::get_script_info): New function.
(Incremental_binary::init_layout): New function.
(Incremental_binary::reserve_layout): New function.
(Incremental_binary::output_file): New function.
(Incremental_binary::do_check_inputs): New function.
(Incremental_binary::do_file_is_unchanged): Remove.
(Incremental_binary::do_file_has_changed): New function.
(Incremental_binary::do_init_layout): New function.
(Incremental_binary::do_reserve_layout): New function.
(Incremental_binary::do_input_file_count): New function.
(Incremental_binary::do_get_input_reader): Change signature.
(Incremental_binary::input_args_map_): New data member.
(Incremental_binary::library_map_): New data member.
(Incremental_binary::script_map_): New data member.
(Sized_incremental_binary::Sized_incremental_binary): Initialize
new data members.
(Sized_incremental_binary::output_section): New function.
(Sized_incremental_binary::inputs_reader): Add const.
(Sized_incremental_binary::symtab_reader): Add const.
(Sized_incremental_binary::relocs_reader): Add const.
(Sized_incremental_binary::got_plt_reader): Add const.
(Sized_incremental_binary::get_symtab_view): New function.
(Sized_incremental_binary::Inputs_reader): New typedef.
(Sized_incremental_binary::Input_entry_reader): New typedef.
(Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
(Sized_incremental_binary::do_file_is_unchanged): Remove.
(Sized_incremental_binary::do_file_has_changed): New function.
(Sized_incremental_binary::do_init_layout): New function.
(Sized_incremental_binary::do_reserve_layout): New function.
(Sized_input_reader::Inputs_reader): Remove.
(Sized_input_reader::Input_entry_reader): Remove.
(Sized_input_reader::do_arg_serial): New function.
(Sized_input_reader::do_get_unused_symbol_count): New function.
(Sized_input_reader::do_get_unused_symbol): New function.
(Sized_incremental_binary::do_input_file_count): New function.
(Sized_incremental_binary::do_get_input_reader): Change signature;
use index instead of filename.
(Sized_incremental_binary::section_map_): New data member.
(Sized_incremental_binary::input_entry_readers_): New data member.
(class Sized_incr_relobj): New class.
(class Sized_incr_dynobj): New class.
(make_sized_incremental_object): New function.
(class Incremental_library): New class.
* layout.cc (Free_list::num_lists): New static data member.
(Free_list::num_nodes): New static data member.
(Free_list::num_removes): New static data member.
(Free_list::num_remove_visits): New static data member.
(Free_list::num_allocates): New static data member.
(Free_list::num_allocate_visits): New static data member.
(Free_list::init): New function.
(Free_list::remove): New function.
(Free_list::allocate): New function.
(Free_list::dump): New function.
(Free_list::print_stats): New function.
(Layout_task_runner::run): Resize output file for incremental updates.
(Layout::Layout): Initialize new data members.
(Layout::set_incremental_base): New function.
(Layout::init_fixed_output_section): New function.
(Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
incremental updates.
(Layout::create_gold_note): Do not create gold note section for
incremental updates.
(Layout::set_segment_offsets): Do not recalculate RELRO alignment
for incremental updates.
(Layout::set_section_offsets): For incremental updates, allocate space
from free list.
(Layout::create_symtab_sections): Layout with offsets relative to
start of section; for incremental updates, allocate space from free
list.
(Layout::create_shdrs): For incremental updates, allocate space from
free list.
(Layout::finish_dynamic_section): For incremental updates, do not
check --as-needed (fixed in subsequent patch).
* layout.h (class Free_list): New class.
(Layout::set_incremental_base): New function.
(Layout::incremental_base): New function.
(Layout::init_fixed_output_section): New function.
(Layout::allocate): New function.
(Layout::incremental_base_): New data member.
(Layout::free_list_): New data member.
* main.cc (main): Print Free_list statistics.
* object.cc (Relobj::finalize_incremental_relocs): Add
clear_counts parameter; clear counts only when clear_counts is set.
(Sized_relobj::Sized_relobj): Initialize new base class.
(Sized_relobj::do_layout): Don't report special sections.
(Sized_relobj::do_for_all_local_got_entries): New function.
(Sized_relobj::write_local_symbols): Add symtab_off parameter; add
symtab_off to all symbol table offsets.
(Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
* object.h (class Got_offset_list): Move to top of file.
(Object::Object): Allow case where input_file == NULL.
(Object::~Object): Likewise.
(Object::input_file): Assert that input_file != NULL.
(Object::lock): Allow case where input_file == NULL.
(Object::unlock): Likewise.
(Object::is_locked): Likewise.
(Object::token): Likewise.
(Object::release): Likewise.
(Object::is_incremental): New function.
(Object::get_mtime): New function.
(Object::for_all_local_got_entries): New function.
(Object::clear_view_cache_marks): Allow case where input_file == NULL.
(Object::set_is_in_system_directory): New function.
(Object::is_in_system_directory): New function.
(Object::do_is_incremental): New function.
(Object::do_get_mtime): New function.
(Object::do_for_all_local_got_entries): New function.
(Object::is_in_system_directory_): New data member.
(Relobj::finalize_incremental_relocs): Add clear_counts parameter.
(class Sized_relobj_base): New class.
(class Sized_relobj): Derive from Sized_relobj_base.
(class Sized_relobj::Symbols): Redeclare from base class.
(class Sized_relobj::local_got_offset_list): Remove.
(class Sized_relobj::Output_sections): Redeclare from base class.
(class Sized_relobj::do_for_all_local_got_entries): New function.
(class Sized_relobj::write_local_symbols): Add offset parameter.
(class Sized_relobj::local_symbol_offset_): Update comment.
(class Sized_relobj::local_dynsym_offset_): Update comment.
* options.cc (Input_arguments::add_file): Remove const.
* options.h (Input_file_argument::Input_file_argument):
Initialize arg_serial_ (all constructors).
(Input_file_argument::set_arg_serial): New function.
(Input_file_argument::arg_serial): New function.
(Input_file_argument::arg_serial_): New data member.
(Input_arguments::Input_arguments): Initialize file_count_.
(Input_arguments::add_file): Remove const.
(Input_arguments::number_of_input_files): New function.
(Input_arguments::file_count_): New data member.
(Command_line::number_of_input_files): Call
Input_arguments::number_of_input_files.
* output.cc (Output_segment_headers::Output_segment_headers):
Set current size.
(Output_section::Input_section::current_data_size): New function.
(Output_section::Output_section): Initialize new data members.
(Output_section::add_input_section): Don't do merge sections for
an incremental link; allocate space from free list for an
incremental update.
(Output_section::add_output_section_data): Allocate space from
free list for an incremental update.
(Output_section::update_data_size): New function.
(Output_section::set_fixed_layout): New function.
(Output_section::reserve): New function.
(Output_segment::set_section_addresses): Remove const.
(Output_segment::set_section_list_addresses): Remove const; allocate
space from free list for an incremental update.
(Output_segment::set_offset): Adjust size of RELRO segment for an
incremental update.
* output.h (Output_data::current_data_size): Move here from
child classes.
(Output_data::pre_finalize_data_size): New function.
(Output_data::update_data_size): New function.
(Output_section_headers::update_data_size): new function.
(Output_section_data_build::current_data_size): Move to Output_data.
(Output_data_strtab::update_data_size): New function.
(Output_section::current_data_size): Move to Output_data.
(Output_section::set_fixed_layout): New function.
(Output_section::has_fixed_layout): New function.
(Output_section::reserve): New function.
(Output_section::update_data_size): New function.
(Output_section::has_fixed_layout_): New data member.
(Output_section::free_list_): New data member.
(Output_segment::set_section_addresses): Remove const.
(Output_segment::set_section_list_addresses): Remove const.
* plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
New function.
* plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
New function.
* readsyms.cc (Read_symbols::do_read_symbols): Add library
parameter when calling Add_symbols constructor; store argument
serial number for members of a lib group.
(Add_symbols::locks): Allow case where token == NULL.
(Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
(Read_member::~Read_member): New function.
(Read_member::is_runnable): New function.
(Read_member::locks): New function.
(Read_member::run): New function.
(Check_script::~Check_script): New function.
(Check_script::is_runnable): New function.
(Check_script::locks): New function.
(Check_script::run): New function.
(Check_library::~Check_library): New function.
(Check_library::is_runnable): New function.
(Check_library::locks): New function.
(Check_library::run): New function.
* readsyms.h (Add_symbols::Add_symbols): Add library parameter.
(Add_symbols::library_): New data member.
(class Read_member): New class.
(class Check_script): New class.
(class Check_library): New class.
* reloc.cc (Read_relocs::is_runnable): Allow case where
token == NULL.
(Read_relocs::locks): Likewise.
(Scan_relocs::locks): Likewise.
(Relocate_task::locks): Likewise.
(Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
to clear counters.
(Sized_relobj::incremental_relocs_scan): Fix comment.
(Sized_relobj::do_relocate): Pass output file offset to
write_local_symbols.
(Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
from class declaration.
* script.cc (read_input_script): Allocate Script_info; pass
argument serial number to report_script.
* script.h (class Script_info): Move to incremental.h.
* symtab.cc (Symbol_table::add_from_incrobj): New function.
* symtab.h (Symbol_table::add_from_incrobj): New function.
(Symbol_table::set_file_offset): New function.
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method here from class Archive.
(Archive::Archive): Initialize base class.
(Archive::should_include_member): Move to base class.
(Archive::do_for_all_unused_symbols): New function.
(Add_archive_symbols::run): Remove redundant access to
incremental_inputs.
(Lib_group::Lib_group): Initialize base class.
(Lib_group::do_filename): New function.
(Lib_group::include_member): Pass pointer to Lib_group to
report_object.
(Lib_group::do_for_all_unused_symbols): New function.
(Add_lib_group_symbols::run): Report archive information for
incremental links.
* archive.h (class Library_base): New base class.
(class Archive): Derive from Library_base.
(Archive::filename): Move to base class.
(Archive::set_incremental_info): Likewise.
(Archive::incremental_info): Likewise.
(Archive::Should_include): Likewise.
(Archive::should_include_member): Likewise.
(Archive::Armap_entry): Remove.
(Archive::Unused_symbol_iterator): Remove.
(Archive::unused_symbols_begin): Remove.
(Archive::unused_symbols_end): Remove.
(Archive::do_filename): New function.
(Archive::do_get_mtime): New function.
(Archive::do_for_all_unused_symbols): New function.
(Archive::task_): Move to base class.
(Archive::incremental_info_): Likewise.
(class Lib_group): Derive from Library_base.
(Lib_group::do_filename): New function.
(Lib_group::do_get_mtime): New function.
(Lib_group::do_for_all_unused_symbols): New function.
(Lib_group::task_): Move to base class.
* dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
function.
* dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
function.
* incremental.cc (Incremental_inputs::report_archive_begin):
Use Library_base; call library's get_mtime; add incremental inputs
entry before members.
(class Unused_symbol_visitor): New class.
(Incremental_inputs::report_archive_end): Use Library_base; use
visitor class to record unused symbols; don't add incremental inputs
entry after members.
(Incremental_inputs::report_object): Use Library_base.
* incremental.h
(Incremental_archive_entry::Incremental_archive_entry): Remove
unused Archive parameter.
(Incremental_inputs::report_archive_begin): Use Library_base.
(Incremental_inputs::report_archive_end): Likewise.
(Incremental_inputs::report_object): Likewise.
* object.cc (Sized_relobj::do_for_all_global_symbols): New
function.
* object.h (Object::for_all_global_symbols): New function.
(Object::do_for_all_global_symbols): New function.
(Sized_relobj::do_for_all_global_symbols): New function.
* plugin.cc (Sized_pluginobj::do_for_all_global_symbols): New
function.
* plugin.h (Sized_pluginobj::do_for_all_global_symbols): New
function.
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(Plugin_manager::claim_file): Set any_claimed_.
(Plugin_manager::save_archive): New function.
(Plugin_manager::save_input_group): New function.
(Plugin_manager::all_symbols_read): Create Plugin_rescan task if
necessary.
(Plugin_manager::new_undefined_symbol): New function.
(Plugin_manager::rescan): New function.
(Plugin_manager::rescannable_defines): New function.
(Plugin_manager::add_input_file): Set any_added_.
* plugin.h (class Plugin_manager): define new fields rescannable_,
undefined_symbols_, any_claimed_, and any_added_. Declare
Plugin_rescan as friend. Declare new functions.
(Plugin_manager::Rescannable): Define type.
(Plugin_manager::Rescannable_list): Define type.
(Plugin_manager::Undefined_symbol_list): Define type.
(Plugin_manager::Plugin_manager): Initialize new fields.
* archive.cc (Archive::defines_symbol): New function.
(Add_archive_symbols::run): Pass archive to plugins if any.
* archive.h (class Archive): Declare defines_symbol.
* readsyms.cc (Input_group::~Input_group): New function.
(Finish_group::run): Pass input_group to plugins if any.
* readsyms.h (class Input_group): Declare destructor.
* symtab.cc (add_from_object): Pass undefined symbol to plugins if
any.
|
|
gold/:
* dwarf_reader.cc: Remove outdated comment.
* gold-threads.cc: Fix typo in error message.
* archive.cc: Fix typos in comments.
* archive.h: Likewise.
* arm-reloc-property.cc: Likewise.
* arm-reloc-property.h: Likewise.
* arm-reloc.def: Likewise.
* arm.cc: Likewise.
* attributes.h: Likewise.
* cref.cc: Likewise.
* ehframe.cc: Likewise.
* fileread.h: Likewise.
* gold.h: Likewise.
* i386.cc: Likewise.
* icf.cc: Likewise.
* incremental.h: Likewise.
* int_encoding.cc: Likewise.
* layout.h: Likewise.
* main.cc: Likewise.
* merge.h: Likewise.
* object.cc: Likewise.
* object.h: Likewise.
* options.cc: Likewise.
* readsyms.cc: Likewise.
* reduced_debug_output.cc: Likewise.
* reloc.cc: Likewise.
* script-sections.cc: Likewise.
* sparc.cc: Likewise.
* symtab.h: Likewise.
* target-reloc.h: Likewise.
* target.cc: Likewise.
* target.h: Likewise.
* timer.cc: Likewise.
* timer.h: Likewise.
* x86_64.cc: Likewise.
|
|
typename and following asterisk. Remove whitespace between
function name and opening parenthesis.
* archive.h: Likewise.
* arm.cc: Likewise.
* attributes.cc: Likewise.
* attributes.h: Likewise.
* common.cc: Likewise.
* copy-relocs.cc: Likewise.
* dirsearch.h: Likewise.
* dynobj.cc: Likewise.
* ehframe.cc: Likewise.
* ehframe.h: Likewise.
* expression.cc: Likewise.
* fileread.cc: Likewise.
* fileread.h: Likewise.
* gc.h: Likewise.
* gold-threads.cc: Likewise.
* gold.cc: Likewise.
* i386.cc: Likewise.
* icf.h: Likewise.
* incremental-dump.cc: Likewise.
* incremental.cc: Likewise.
* layout.cc: Likewise.
* layout.h: Likewise.
* main.cc: Likewise.
* merge.cc: Likewise.
* merge.h: Likewise.
* object.cc: Likewise.
* object.h: Likewise.
* options.cc: Likewise.
* options.h: Likewise.
* output.cc: Likewise.
* output.h: Likewise.
* plugin.cc: Likewise.
* plugin.h: Likewise.
* powerpc.cc: Likewise.
* reloc.cc: Likewise.
* script-c.h: Likewise.
* script-sections.cc: Likewise.
* script.cc: Likewise.
* stringpool.cc: Likewise.
* symtab.cc: Likewise.
* symtab.h: Likewise.
* target.cc: Likewise.
* timer.cc: Likewise.
* timer.h: Likewise.
* version.cc: Likewise.
* x86_64.cc: Likewise.
|
|
constructor, and set_blocker.
* gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
readsyms_blocker_.
* gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
this->this_blocker_ to Add_lib_group_symbols::set_blocker.
* testsuite/Makefile.am (start_lib_test): New test case.
* testsuite/Makefile.in: Regenerate.
* testsuite/start_lib_test_main.c: New file.
* testsuite/start_lib_test_1.c: New file.
* testsuite/start_lib_test_2.c: New file.
* testsuite/start_lib_test_3.c: New file.
|
|
* elfcpp.h (enum SHT): Add SHT_GNU_INCREMENTAL_SYMTAB,
SHT_GNU_INCREMENTAL_RELOCS.
gold/ChangeLog:
* archive.cc: Include incremental.h.
(Archive::Archive): Initialize incremental_info_.
(Archive::include_member): Record archive members in incremental info.
(Add_archive_symbols::run): Record begin and end of an archive in
incremental info.
(Lib_group::include_member): Record objects in incremental info.
* archive.h (Incremental_archive_entry): Forward declaration.
(Archive::set_incremental_info): New member function.
(Archive::incremental_info): New member function.
(Archive::Unused_symbol_iterator): New class.
(Archive::unused_symbols_begin): New member function.
(Archive::unused_symbols_end): New member function.
(Archive::incremental_info_): New data member.
* incremental-dump.cc (find_input_containing_global): New function.
(dump_incremental_inputs): Dump new incremental info sections.
* incremental.cc: Include symtab.h.
(Output_section_incremental_inputs): New class.
(Sized_incremental_binary::do_find_incremental_inputs_sections): Support
new incremental info sections.
(Sized_incremental_binary::do_check_inputs): Likewise.
(Incremental_inputs::report_archive): Remove.
(Incremental_inputs::report_archive_begin): New function.
(Incremental_inputs::report_archive_end): New function.
(Incremental_inputs::report_object): New function.
(Incremental_inputs::finalize_inputs): Remove.
(Incremental_inputs::report_input_section): New function.
(Incremental_inputs::report_script): Rewrite.
(Incremental_inputs::finalize): Do nothing but finalize string table.
(Incremental_inputs::create_incremental_inputs_section_data): Remove.
(Incremental_inputs::sized_create_inputs_section_data): Remove.
(Incremental_inputs::create_data_sections): New function.
(Incremental_inputs::relocs_entsize): New function.
(Output_section_incremental_inputs::set_final_data_size): New function.
(Output_section_incremental_inputs::do_write): New function.
(Output_section_incremental_inputs::write_header): New function.
(Output_section_incremental_inputs::write_input_files): New function.
(Output_section_incremental_inputs::write_info_blocks): New function.
(Output_section_incremental_inputs::write_symtab): New function.
* incremental.h (Incremental_script_entry): Forward declaration.
(Incremental_object_entry): Forward declaration.
(Incremental_archive_entry): Forward declaration.
(Incremental_inputs): Forward declaration.
(Incremental_inputs_header_data): Remove.
(Incremental_inputs_header): Remove.
(Incremental_inputs_header_write): Remove.
(Incremental_inputs_entry_data): Remove.
(Incremental_inputs_entry): Remove.
(Incremental_inputs_entry_write): Remove.
(enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
(Incremental_binary::find_incremental_inputs_sections): Add parameters.
(Incremental_binary::do_find_incremental_inputs_sections): Likewise.
(Sized_ncremental_binary::do_find_incremental_inputs_sections):
Likewise.
(Incremental_input_entry): New class.
(Incremental_script_entry): New class.
(Incremental_object_entry): New class.
(Incremental_archive_entry): New class.
(Incremental_inputs::Incremental_inputs): Initialize new data members.
(Incremental_inputs::report_inputs): Remove.
(Incremental_inputs::report_archive): Remove.
(Incremental_inputs::report_archive_begin): New function.
(Incremental_inputs::report_archive_end): New function.
(Incremental_inputs::report_object): Change prototype.
(Incremental_inputs::report_input_section): New function.
(Incremental_inputs::report_script): Change prototype.
(Incremental_inputs::get_reloc_count): New function.
(Incremental_inputs::set_reloc_count): New function.
(Incremental_inputs::create_data_sections): New function.
(Incremental_inputs::create_incremental_inputs_section_data): Remove.
(Incremental_inputs::inputs_section): New function.
(Incremental_inputs::symtab_section): New function.
(Incremental_inputs::relocs_section): New function.
(Incremental_inputs::get_stringpool): Add const.
(Incremental_inputs::command_line): Add const.
(Incremental_inputs::inputs): Remove.
(Incremental_inputs::command_line_key): New function.
(Incremental_inputs::input_file_count): New function.
(Incremental_inputs::input_files): New function.
(Incremental_inputs::relocs_entsize): New function.
(Incremental_inputs::sized_create_inputs_section_data): Remove.
(Incremental_inputs::finalize_inputs): Remove.
(Incremental_inputs::Input_info): Remove.
(Incremental_inputs::lock_): Remove.
(Incremental_inputs::inputs_): Change type.
(Incremental_inputs::inputs_map_): Remove.
(Incremental_inputs::current_object_entry_): New data member.
(Incremental_inputs::inputs_section_): New data member.
(Incremental_inputs::symtab_section_): New data member.
(Incremental_inputs::relocs_section_): New data member.
(Incremental_inputs::reloc_count_): New data member.
(Incremental_inputs_reader): New class.
(Incremental_symtab_reader): New class.
(Incremental_relocs_reader): New class.
* layout.cc (Layout::finalize): Move finalization of incremental info
and creation of incremental info sections to follow finalization of
symbol table. Set offsets for postprocessing sections.
(Layout::create_incremental_info_sections): Call
Incremental_inputs::create_data_sections. Add incremental symtab
and relocs sections. Set sh_entsize and sh_link fields. Arrange for
sections to layout after input sections.
* layout.h (struct Timespec): Forward declaration.
(Layout::incremental_inputs): Add const.
(Layout::create_incremental_info_sections): Add parameter.
* main.cc (main): Remove call to Incremental_inputs::report_inputs.
* object.cc: Include incremental.h.
(Relobj::finalize_incremental_relocs): New function.
(Sized_relobj::do_layout): Record input sections in incremental info.
* object.h (Object::output_section): New function.
(Object::output_section_offset): Moved from Relobj.
(Object::get_incremental_reloc_base): New function.
(Object::get_incremental_reloc_count): New function.
(Object::do_output_section): New function.
(Object::do_output_section_offset): Moved from Relobj.
(Object::do_get_incremental_reloc_base): New function.
(Object::do_get_incremental_reloc_count): New function.
(Object::Object): Initialize new data members.
(Relobj::output_section): Renamed do_output_section and moved to
protected.
(Relobj::output_section_offset): Moved to Object.
(Relobj::do_get_incremental_reloc_base): New function.
(Relobj::do_get_incremental_reloc_count): New function.
(Relobj::allocate_incremental_reloc_counts): New function.
(Relobj::count_incremental_reloc): New function.
(Relobj::finalize_incremental_relocs): New function.
(Relobj::next_incremental_reloc_index): New function.
(Relobj::reloc_counts_): New data member.
(Relobj::reloc_bases_): New data member.
(Sized_relobj::do_relocate_sections): Add parameter. Change caller.
(Sized_relobj::relocate_sections): Add parameter. Change all callers.
(Sized_relobj::incremental_relocs_scan): New function.
(Sized_relobj::incremental_relocs_scan_reltype): New function.
(Sized_relobj::incremental_relocs_write): New function.
(Sized_relobj::incremental_relocs_write_reltype): New function.
* plugin.cc (Plugin_manager::add_input_file): Rewrite test for
incremental link.
* readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
archives and object files elsewhere.
(Add_symbols::run): Report object files here.
(Finish_group::run): Report end of archive at end of group.
* reloc.cc: Include layout.h, incremental.h.
(Sized_relobj::do_read_relocs): Need relocations for incremental link.
(Sized_relobj::do_scan_relocs): Record relocations for incremental link.
(Sized_relobj::incremental_relocs_scan): New function.
(Sized_relobj::incremental_relocs_scan_reltype): New function.
(Sized_relobj::do_relocate_sections): Write incremental relocations.
(Sized_relobj::incremental_relocs_write): New function.
(Sized_relobj::incremental_relocs_write_reltype): New function.
* script.cc (read_input_script): Rewrite test for incremental link.
Change call to Incremental_inputs::report_script.
* symtab.h (Symbol_table::first_global_index): New function.
(Symbol_table::output_count): New function.
|
|
* script.cc (Script_options::Script_options): Initialize
symbol_definitions_ and symbol_references_.
(Script_options::add_symbol_assignment): Update
symbol_definitions_ and symbol_references_.
(Script_options::add_symbol_reference): New function.
(script_symbol): New function.
* script.h (class Script_options): Add symbol_definitions_ and
symbol_references_ fields.
(Script_options::referenced_const_iterator): New type.
(Script_options::referenced_begin): New function.
(Script_options::referenced_end): New function.
(Script_options::is_referenced): New function.
(Script_options::any_unreferenced): New function.
* script-c.h (script_symbol): Declare.
* yyscript.y (exp): Call script_symbol.
* symtab.cc: Include "script.h".
(Symbol_table::gc_mark_undef_symbols): Add layout parameter.
Change all callers. Check symbols referenced by scripts.
(Symbol_table::add_undefined_symbols_from_command_line): Add
layout parameter. Change all callers.
(Symbol_table::do_add_undefined_symbols_from_command_line):
Likewise. Break out loop body. Check symbols referenced by
scripts.
(Symbol_table::add_undefined_symbol_from_command_line): New
function broken out of
do_add_undefined_symbols_from_command_line.
* symtab.h (class Symbol_table): Update declarations.
* archive.cc: Include "layout.h".
(Archive::should_include_member): Add layout parameter. Change
all callers. Check for symbol mentioned in expression.
* archive.h (class Archive): Update declaration.
* object.cc (Sized_relobj::do_should_include_member): Add layout
parameter.
* object.h (Object::should_include_member): Add layout parameter.
Change all callers.
(Object::do_should_include_member): Add layout parameter.
(class Sized_relobj): Update declaration.
* dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
parameter.
* dynobj.h (class Sized_dynobj): Update declaration.
* plugin.cc (Sized_pluginobj::do_should_include_member): Add
layout parameter.
* plugin.h (class Sized_pluginobj): Update declaration.
|
|
* archive.cc (Should_include): Move to archive.h.
(should_include_member): Make it a member of Archive.
(Lib_group): New.
(Add_lib_group_symbols): New.
* archive.h: Include options.h.
(Archive_member): Moved from Archive.
(Should_include): Moved from archive.cc.
(Lib_group): New.
(Add_lib_group_symbols): New.
* dynobj.cc (do_should_include_member): New.
* dynobj.h (do_should_include_member): New.
* gold.cc (queue_initial_tasks): Update call to queue.
* main.cc (main): Print lib group stats.
* object.cc (do_should_include_member): New.
* object.h: Include archive.h.
(Object::should_include_member): New.
(Object::do_should_include_member): New.
(Sized_relobj::do_should_include_member): New.
* options.cc (General_options::parse_start_lib): New.
(General_options::parse_end_lib): New.
(Input_arguments::add_file): Handle lib groups.
(Input_arguments::start_group): Check we are not in a lib.
(Input_arguments::start_lib): New.
(Input_arguments::end_lib): New.
* options.h (General_options): Add start_lib and end_lib.
(Input_argument::lib_): New.
(Input_argument::lib): New.
(Input_argument::is_lib): New.
(Input_file_lib): New.
(Input_arguments::in_lib_): New.
(Input_arguments::in_lib): New.
(Input_arguments::start_lib): New.
(Input_arguments::end_lib_): New.
* plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
in unused members as preempted.
(Sized_pluginobj::do_should_include_member): New.
* plugin.h (Sized_pluginobj::do_should_include_member): New.
* readsyms.cc (Read_symbols::locks): If we are just reading a member,
return the blocker.
(Read_symbols::do_whole_lib_group): New.
(Read_symbols::do_lib_group): New.
(Read_symbols::do_read_symbols): Handle lib groups.
(Read_symbols::get_name): Handle lib groups.
* readsyms.h (Read_symbols): Add an archive member pointer.
(Read_symbols::do_whole_lib_group): New.
(Read_symbols::do_lib_group): New.
(Read_symbols::member_): New.
* script.cc (read_input_script): Update call to queue_soon.
|
|
* archive.cc (Archive::Archive): Move constructor from archive.h
to here. Initialize no_export_.
(Archive::get_elf_object_for_member): Set no_export flag of object.
* archive.h (Archive::Archive): Move constructor body to
archive.cc.
(Archive::no_export): New method.
(Archive::no_export_): New field.
* object.h (Object::Object): Initialize no_export_ to false.
(Object::no_export, Object::set_no_export): New methods.
(Object::no_export_): New field.
* options.cc (General_options::parse_exclude_libs): New method.
(General_options::check_excluded_libs) Same.
* options.h (exclude_libs): New option.
(General_options::check_excluded_libs): New method declaration.
(General_options::excluded_libs_): New field.
* symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
default or protected visibility if an object has no-export flag set.
testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
(check_SCRIPTS): Add exclude_libs_test.sh.
(check_DATA): Add exclude_libs_test.syms.
(MOSTLYCLEANFILES): Add exclude_libs_test.syms,
libexclude_libs_test_1.a and libexclude_libs_test_2.a.
(exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
(exclude_libs_test.syms, libexclude_libs_test_1.a,
libexclude_libs_test_2.a): New rules.
* testsuite/Makefile.in: Regenerate.
* testsuite/exclude_libs_test.c: New file.
* testsuite/exclude_libs_test.sh: Ditto.
* testsuite/exclude_libs_test_1.c: Ditto.
* testsuite/exclude_libs_test_2.c: Ditto.
|
|
(Read_symbols::requeue): New function.
(Read_symbols::do_read_symbols): If make_elf_object fails because
the target type is not configured, and the file was searched for,
issue a warning and retry with the next directory.
(Add_symbols::run): If the file has an incompatible format, and
it was searched for, requeue the Read_symbols task. On error,
release the object.
* readsyms.h (class Read_symbols): Add dirindex_ field. Add
dirindex parameter to constructor. Change all callers. Declare
incompatible_warning and requeue.
(class Add_symbols): Add dirpath_, dirindex_, mapfile_,
input_argument_ and input_group_ fields. Add them to
constructor. Change all callers.
(class Read_script): Add dirindex_ field. Add it to constructor.
Change all callers.
* archive.cc (Archive::setup): Remove input_objects parameter.
Change all callers.
(Archive::get_file_and_offset): Likewise.
(Archive::read_all_symbols): Likewise.
(Archive::read_symbols): Likewise.
(Archive::get_elf_object_for_member): Remove input_objects
parameter. Add punconfigured parameter. Change all callers.
(Archive::add_symbols): Change return type to bool. Check return
value of include_member.
(Archive::include_all_members): Likewise.
(Archive::include_member): Change return type to bool. Return
false if first included object has incompatible target. Set
included_member_ field.
(Add_archive_symbols::run): If add_symbols returns false, requeue
Read_symbols task.
* archive.h (class Archive): Add included_member_ field.
Initialize it in constructor. Add input_file and searched_for
methods. Update declarations.
(class Add_archive_symbols): Add dirpath_, dirindex_, and
input_argument_ fields. Add them to constructor. Change all
callers.
* script.cc: Include "target-select.h".
(class Parser_closure): Add skip_on_incompatible_target_ and
found_incompatible_target_ fields. Add
skip_on_incompatible_target parameter to constructor. Change all
callers. Add methods skip_on_incompatible_target,
clear_skip_on_incompatible_target, found_incompatible_target, and
set_found_incompatible_target.
(read_input_script): Add dirindex parameter. Change all callers.
If parser finds an incompatible target, requeue Read_symbols
task.
(script_set_symbol): Clear skip_on_incompatible_target in
closure.
(script_add_assertion, script_parse_option): Likewise.
(script_start_sections, script_add_phdr): Likewise.
(script_check_output_format): New function.
* script.h (read_input_script): Update declaration.
* script-c.h (script_check_output_format): Declare.
* yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
(ignore_cmd): Remove OUTPUT_FORMAT.
* fileread.cc (Input_file::Input_file): Add explicit this.
(Input_file::will_search_for): New function.
(Input_file::open): Add pindex parameter. Change all callers.
* fileread.h (class Input_file): Add input_file_argument method.
Declare will_search_for. Update declarations.
* object.cc (make_elf_object): Add punconfigured parameter.
Change all callers.
* object.h (class Object): Make input_file public. Add
searched_for method.
(make_elf_object): Update declaration.
* dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
restart search.
* dirsearch.h (class Dirsearch): Update declaration.
* options.h (class General_options): Add --warn-search-mismatch.
* parameters.cc (Parameters::is_compatible_target): New function.
* parameters.h (class Parameters): Declare is_compatible_target.
* workqueue.cc (Workqueue::add_blocker): New function.
* workqueue.h (class Workqueue): Declare add_blocker.
|
|
include/:
* plugin-api.h: New file.
gold/:
* configure.ac (plugins): Add --enable-plugins option.
* configure: Regenerate.
* config.in: Regenerate.
* Makefile.am (LIBDL): New variable.
(CCFILES): Add plugin.cc.
(HFILES): Add plugin.h.
(ldadd_var): Add LIBDL.
* Makefile.in: Regenerate.
* archive.cc: Include "plugin.h".
(Archive::setup): Don't preread archive symbols when using a plugin.
(Archive::get_file_and_offset): Add memsize parameter. Change callers.
(Archive::get_elf_object_for_member): Call plugin hooks for claiming
files.
(Archive::include_member): Add symbols from plugin objects.
* archive.h (Archive::get_file_and_offset): Add memsize parameter.
* descriptors.cc (Descriptors::open): Check for file descriptors
abandoned by plugins.
(Descriptors::claim_for_plugin): New function.
* descriptors.h (Descriptors::claim_for_plugin): New function.
(Open_descriptor::is_claimed): New field.
(claim_descriptor_for_plugin): New function.
* fileread.cc (File_read::claim_for_plugin): New function.
* fileread.h (File_read::claim_for_plugin): New function.
(File_read::descriptor): New function.
* gold.cc: Include "plugin.h".
(queue_initial_tasks): Add task to call plugin hooks for generating
new object files.
* main.cc: Include "plugin.h".
(main): Load plugin libraries.
* object.h (Pluginobj): Declare.
(Object::pluginobj): New function.
(Object::do_pluginobj): New function.
(Object::set_target): New function.
* options.cc: Include "plugin.h".
(General_options::parse_plugin): New function.
(General_options::General_options): Initialize plugins_ field.
(General_options::add_plugin): New function.
* options.h (Plugin_manager): Declare.
(General_options): Add --plugin option.
(General_options::has_plugins): New function.
(General_options::plugins): New function.
(General_options::add_plugin): New function.
(General_options::plugins_): New field.
* plugin.cc: New file.
* plugin.h: New file.
* readsyms.cc: Include "plugin.h".
(Read_symbols::do_read_symbols): Check for archive before checking
for ELF file. Call plugin hooks to claim files.
* resolve.cc (Symbol_table::resolve): Record when symbol is referenced
from a real object file; force override when processing replacement
files.
* symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
(Symbol::init_base_object): Likewise.
(Symbol::init_base_output_data): Likewise.
(Symbol::init_base_output_segment): Likewise.
(Symbol::init_base_constant): Likewise.
(Symbol::init_base_undefined): Likewise.
(Symbol::output_section): Assert that object is not a plugin.
(Symbol_table::add_from_pluginobj): New function.
(Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
undefined.
(Symbol_table::sized_write_globals): Likewise.
(Symbol_table::add_from_pluginobj): Instantiate template.
* symtab.h (Sized_pluginobj): Declare.
(Symbol::in_real_elf): New function.
(Symbol::set_in_real_elf): New function.
(Symbol::in_real_elf_): New field.
(Symbol_table::add_from_pluginobj): New function.
* testsuite/Makefile.am (AM_CFLAGS): New variable.
(LIBDL): New variable.
(LDADD): Add LIBDL.
(check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
(check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
(check_DATA): Add plugin_test_1.err and plugin_test_2.err.
(MOSTLYCLEANFILES): Likewise.
* testsuite/Makefile.in: Regenerate.
* testsuite/plugin_test.c: New file.
* testsuite/plugin_test_1.sh: New file.
* testsuite/plugin_test_2.sh: New file.
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* archive.cc (Archive::total_archives, Archive::total_members)
(Archive::total_members_loaded): New variables.
(Archive::setup): Add parameter. Add option to preread
archive symbols.
(Archive::read_armap): Add counter.
(Archive::get_file_and_offset): New function.
(Archive::get_elf_object_for_member): New function.
(Archive::read_all_symbols): New function.
(Archive::read_symbols): New function.
(Archive::add_symbols): Add counters.
(Archive::include_all_members): Use armap to find members if it's
already built.
(Archive::include_member): Skip reading symbols if already read.
Factored code into Archive::get_file_and_offset and
Archive::get_elf_object_for_member. Changed call to
Mapfile::report_include_archive_member.
(Archive::print_stats): New function.
* archive.h: Declare Object and Read_symbols_data classes.
(Archive::Archive): Add initializers for new members.
(Archive::setup): Add parameter.
(Archive::print_stats): New function.
(Archive::total_archives, Archive::total_members)
(Archive::total_members_loaded): New variables.
(Archive::get_file_and_offset): New function.
(Archive::get_elf_object_for_member): New function.
(Archive::read_all_symbols): New function.
(Archive::read_symbols): New function.
(Archive::Archive_member): New class.
(Archive::members_): New member.
(Archive::num_members_): New member.
* main.cc: Include archive.h.
(main): Call Archive::print_stats.
* mapfile.cc (Mapfile::report_include_archive_member): Delete
archive parameter; member_name is now the fully-decorated name.
* mapfile.h (Mapfile::report_include_archive_member): Likewise.
* options.h: (General_options): Add --preread-archive-symbols option.
* readsyms.cc (Read_symbols::do_read_symbols): Change call to
Archive::setup.
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* descriptors.cc: New file.
* descriptors.h: New file.
* gold-threads.h (class Hold_optional_lock): New class.
* fileread.cc: Include "descriptors.h".
(File_read::~File_read): Release descriptor rather than closing
it.
(File_read::open) [file]: Call open_descriptor rather than open.
Set is_descriptor_opened_.
(File_read::open) [memory]: Assert that descriptor is not open.
(File_read::reopen_descriptor): New function.
(File_read::release): Release descriptor.
(File_read::do_read): Make non-const. Reopen descriptor.
(File_read::read): Make non-const.
(File_read::make_view): Reopen descriptor.
(File_read::do_readv): Likewise.
* fileread.h (class File_read): Add is_descriptor_opened_ field.
Update declarations.
* layout.cc: Include "descriptors.h".
(Layout::create_build_id): Use open_descriptor rather than open.
* output.cc: Include "descriptors.h".
(Output_file::open): Use open_descriptor rather than open.
* archive.cc (Archive::const_iterator): Change Archive to be
non-const.
(Archive::begin, Archive::end): Make non-const.
(Archive::count_members): Likewise.
* archive.h (class Archive): Update declarations.
* object.h (Object::read): Make non-const.
* Makefile.am (CCFILES): Add descriptors.cc.
(HFILES): Add descriptors.h.
* Makefile.in: Rebuild.
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* cref.h: New file.
* options.h (class General_options): Add --print-symbol-counts.
* main.cc (main): Issue defined symbol report if requested.
* archive.cc (Archive::interpret_header): Make into a const member
function.
(Archive::add_symbols): Call Input_objects::archive_start and
archive_stop.
(Archive::const_iterator): Define new class.
(Archive::begin, Archive::end): New functions.
(Archive::include_all_members): Rewrite to use iterator.
(Archive::count_members): New function.
* archive.h (class Archive): Update declarations.
(Archive::filename): New function.
* object.cc: Include "cref.h".
(Sized_relobj::Sized_relobj): Initialize defined_count_.
(Sized_relobj::do_get_global_symbol_counts): New function.
(Input_objects::add_object): Add object to cross-referencer.
(Input_objects::archive_start): New function.
(Input_objects::archive_stop): New function.
(Input_objects::print_symbol_counts): New function.
* object.h: Declare Cref and Archive.
(Object::get_global_symbol_counts): New function.
(Object::do_get_global_symbol_counts): New pure virtual function.
(class Sized_relobj): Add defined_count_ field. Update
declarations.
(class Input_objects): Add cref_ field. Update constructor.
Update declarations.
* dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
defined_count_.
(Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
symbol counts.
(Sized_dynobj::do_get_global_symbol_counts): New function.
* dynobj.h (class Sized_dynobj): Add fields symbols_ and
defined_count_. Update declarations. Define Symbols typedef.
* symtab.cc (Symbol_table::add_from_relobj): Add defined
parameter. Change all callers.
(Symbol_table::add_from_dynobj): Add sympointers and defined
parameters. Change all callers.
* symtab.h (class Symbol_table): Update declarations.
* Makefile.am (CCFILES): Add cref.cc.
(HFILES): Add cref.h.
* Makefile.in: Rebuild.
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* mapfile.h: New file.
* options.h (class General_options): Add -M/--print-map and -Map.
* options.cc (General_options::finalize): Make -M equivalent to
-Map -.
* main.cc: Include <cstdio> and "mapfile.h".
(main): Open mapfile if requested.
* gold.cc (class Middle_runner): Add mapfile_ field. Update
constructor. Change caller.
(queue_initial_tasks): Add mapfile parameter. Change caller.
(queue_middle_tasks): Likewise.
* gold.h (queue_initial_tasks, queue_middle_tasks): Update
declarations.
* archive.cc: Include "mapfile.h".
(Archive::add_symbols): Add mapfile parameter. Change all
callers. Pass mapfile, symbol, and reason to include_member.
(Archive::include_all_members): Add mapfile parameter. Change all
callers.
(Archive::include_member): Add mapfile, sym, and why parameters.
Change all callers. Report inclusion to map file.
* archive.h: Include "fileread.h".
(class Archive): Update declarations.
(Archive::file): New const method.
(class Add_archive_symbols): Add mapfile_ field. Update
constructor. Change all callers.
* readsyms.h (class Read_symbols): Likewise.
(class Finish_group): Likewise.
(class Read_script): Likewise.
* common.cc: Include "mapfile.h".
(Symbol_table::allocate_commons): Add mapfile parameter. Change
all callers.
(Symbol_table::do_allocate_commons): Likewise.
(Symbol_table::do_allocate_commons_list): Likewise. Report common
symbol allocation to mapfile.
* common.h (class Allocate_commons_task): Add mapfile_ field.
Update constructor. Change all callers.
* symtab.h (class Symbol_table): Update declarations.
* layout.cc: Include "mapfile.h".
(Layout_task_runner::run): Print information to mapfile.
(Layout::create_gold_note): Change Output_data_fixed_space to
Output_data_zero_fill.
(Layout::create_build_id): Likewise.
(Layout::print_to_mapfile): New function.
* layout.h (class Layout_task_runner): Add mapfile_ field. Update
constructor. Change caller.
(class Layout): Declare print_to_mapfile.
* output.cc (Output_section::Input_section::print_to_mapfile): New
function.
(Output_section::add_input_section): If producing a map, always
add to input_sections_ list.
(Output_section::do_print_to_mapfile): New function.
(Output_segment::print_sections_to_mapfile): New function.
(Output_segment::print_section_list_to_mapfile): New function.
* output.h: Include "mapfile.h".
(Output_data::print_to_mapfile): New function.
(Output_data::do_print_to_mapfile): New virtual function.
(Output_segment_headers::do_print_to_mapfile): New function.
(Output_file_header::do_print_to_mapfile): New function.
(Output_data_const::do_print_to_mapfile): New function.
(class Output_data_const_buffer): Add map_name_ field. Update
constructor. Change all callers. Add do_print_to_mapfile
function.
(class Output_data_fixed_space): Likewise.
(class Output_data_space): Likewise.
(class Output_data_zero_fill): New class.
(Output_data_strtab::do_print_to_mapfile): New function.
(Output_data_reloc_base::do_print_to_mapfile): New function.
(Output_relocatable_relocs::do_print_to_mapfile): New function.
(Output_data_group::do_print_to_mapfile): New function.
(Output_data_got::do_print_to_mapfile): New function.
(Output_data_dynamic::do_print_to_mapfile): New function.
(Output_symtab_xindex::do_print_to_mapfile): New function.
(class Output_section): Declare do_print_to_mapflie. Declare
print_to_mapfile in Input_section.
(class Output_segment): Declare new functions.
* object.h (Sized_relobj::symbol_count): New function.
* script-sections.cc
(Output_section_element_dot_assignment::set_section_addresses):
Change Output_data_fixed_space to Output_data_zero_fill.
(Output_data_expression::do_print_to_mapfile): New function.
* script.cc (read_input_script): Add mapfile parameter. Change
all callers.
* script.h (read_input_script): Update declaration.
* ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
(Eh_frame::do_print_to_mapfile): New function.
* merge.h (Output_merge_data::do_print_to_mapfile): New function.
(Output_merge_string::do_print_to_mapfile): New function.
* i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
function.
* sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
function.
* x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
function.
* Makefile.am (CCFILES): Add mapfile.cc.
(HFILES): Add mapfile.h.
* Makefile.in: Rebuild.
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parameters. Update for new key type to views_. Change all
callers.
(File_read::read): Adjust for byteshift in returned view.
(File_read::add_view): New function, broken out of
find_and_make_view.
(File_read::make_view): New function, broken out of
find_and_make_view.
(File_read::find_or_make_view): Add offset and aligned
parameters. Rewrite accordingly. Change all callers.
(File_read::get_view): Add offset and aligned parameters. Adjust
for byteshift in return value.
(File_read::get_lasting_view): Likewise.
* fileread.h (class File_read): Update declarations.
(class File_read::View): Add byteshift_ field. Add byteshift to
constructor. Add byteshift method.
* archive.h (Archive::clear_uncached_views): New function.
(Archive::get_view): Add aligned parameter. Change all callers.
* object.h (Object::get_view): Add aligned parameter. Change all
callers.
(Object::get_lasting_view): Likewise.
* fileread.cc (File_read::release): Don't call clear_views if
there are multiple objects.
* fileread.h (File_read::clear_uncached_views): New function.
* archive.cc (Add_archive_symbols::run): Call clear_uncached_views
on the archive.
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Add thin archive support.
* archive.cc (Archive::armagt): New const.
(Archive::setup): Remove task parameter and calls to unlock.
(Archive::unlock_nested_archives): New function.
(Archive::read_header): Add nested_off parameter. Change
all callers.
(Archive::interpret_header): Likewise.
(Archive::include_all_members): Change to handle thin
archives.
(Archive::include_member): Likewise.
* archive.h (Archive::Archive): Add new parameters and
initializers.
(Archive::armagt): New const.
(Archive::setup): Remove task parameter.
(Archive::unlock_nested_archives): New function.
(Archive::read_header): Add nested_off parameter.
(Archive::interpret_header): Likewise.
(Archive::Nested_archive_table): New typedef.
(Archive::is_thin_archive_): New field.
(Archive::nested_archives_): New field.
(Archive::options_): New field.
(Archive::dirpath_): New field.
(Archive::task_): New field.
* readsyms.cc (Read_symbols::do_read_symbols): Add check
for thin archives. Pass additional parameters to
Archive::Archive. Unlock the archive file after calling
Archive::setup.
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better handling of cached views.
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lot of instances of off_t.
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reduces the amount of locking required to find a new thread to run.
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Fix bug this exposed in archive armap symbol name handling.
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adding new routines.
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preserve information for --group.
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offsets rather than entries in archive symbol table.
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table.
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runs.
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