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declaration.
* incremental.cc (Incremental_inputs::report_achive): New method.
(Incremental_inputs::report_object): New method.
(Incremental_inputs::report_script): New method.
(Incremental_inputs::finalize_inputs): New method.
(Incremental_inputs::finalize): Call finalize_inputs().
(Incremental_inputs::sized_create_incremental_inputs_section_data):
Create inputs entries.
* incremental.h (Incremental_input_type): New enum.
(Incremental_inputs::Incremental_input): Initialize new fields.
(Incremental_inputs::report_inputs): New method.
(Incremental_inputs::report_achive): New method.
(Incremental_inputs::report_object): New method.
(Incremental_inputs::report_script): New method.
(Incremental_inputs::finalize_inputs): New method.
(Incremental_inputs::Input_info): New struct.
(Incremental_inputs::Input_info_map): New typedef.
(Incremental_inputs::lock_): New field.
(Incremental_inputs::Inputs_): New field.
(Incremental_inputs::Inputs_map): New field.
* main.cc (main): Call Incremental_input::report_inputs.
* options.h (Input_argument_list): Typedef moved from
Input_arguments.
(Input_file_group::Files): Remove, use ::Input_argument_list.
(Input_file_group::Input_argument_list): Remove, use
::Input_argument_list.
* plugin.cc (Plugin_manager::add_input_file): Add error in
incremental build.
* read_syms.cc (do_read_syms): Call Incremental_input::report_*
functions.
* script.cc (read_input_script): Call
Incremental_input::report_script.
* script.h (Script_info): New class.
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* object.h (is_elf_object): Declare.
* archive.cc (Archive::get_elf_object_for_member): Call
is_elf_object.
* readsymc.cc (Read_symbols::do_read_symbols): Likewise.
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(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.
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Change all callers.
(Input_file::open_binary): Likewise.
* script.cc (read_input_script): Likewise.
* readsyms.h (class Read_symbols): Remove options_ field. Remove
options parameter from constructor. Change all callers.
(class Read_script): Likewise.
* fileread.h (class Input_file): Update declarations.
* script.h (read_input_script): Update declaration.
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* archive.cc (Archive::include_member): Update calls to add_symbols.
* dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
the Layout argument.
* dynobj.h (do_add_symbols): Add the Layout argument.
* object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
Layout argument.
* object.h (Object::add_symbols): Add the Layout argument.
(Object::do_add_symbols): Add the Layout argument.
(Sized_relobj::do_add_symbols): Add the Layout argument.
* plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
Unify the two versions.
(Add_plugin_symbols): Remove.
* plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
(Sized_pluginobj::do_add_symbols): Unify the two versions.
(Add_plugin_symbols): Remove.
* readsyms.cc (Read_symbols::do_read_symbols): Update call to
Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
(Add_symbols::run): Make it work with Pulginobj.
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to File_read::claim_for_plugin.
* descriptors.cc (Descriptors::open): Remove reference to
is_claimed.
(Descriptors::claim_for_plugin): Remove.
* descriptors.h (Descriptors::claim_for_plugin): Remove.
(Descriptors::is_claimed): Remove.
(claim_descriptor_for_plugin): Remove.
* fileread.cc (File_read::claim_for_plugin): Remove.
* fileread.h (File_read::claim_for_plugin): Remove.
(File_read::descriptor): Reopen descriptor if necessary.
* plugin.cc (Plugin::load): Add two new APIs to transfer vector.
(Plugin_manager::all_symbols_read): Add task parameter. Change
all callers.
(Plugin_manager::get_input_file): New function.
(Plugin_manager::release_input_file): New function.
(Pluginobj::Pluginobj): Add filesize parameter and initialize
corresponding data member.
(Sized_pluginobj::Sized_pluginobj): Add filesize parameter
and pass to base constructor. Change all callers.
(get_input_file, release_input_file): New functions.
(make_sized_plugin_object): Add filesize parameter. Change all callers.
* plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
(Plugin_manager::all_symbols_read): Add task parameter.
(Plugin_manager::get_input_file): New function.
(Plugin_manager::release_input_file): New function.
(Plugin_manager::task_): New data member.
(Pluginobj::Pluginobj): Add filesize parameter.
(Pluginobj::filename): New function.
(Pluginobj::descriptor): New function.
(Pluginobj::filesize): New function.
(Pluginobj::filesize_): New data member.
(Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
* readsyms.cc (Read_symbols::do_read_symbols): Remove call to
File_read::claim_for_plugin; use Object::unlock to unlock the file.
* testsuite/Makefile.am (plugin_test_4): New test case for plugins
with archive libraries.
* testsuite/Makefile.in: Regenerate.
* testsuite/plugin_test.c (struct sym_info): New type.
(get_input_file, release_input_file): New static variables.
(onload): Capture new transfer vector entries.
(claim_file_hook): Stop reading at end of file according to filesize.
Factor out parsing of readelf output into separate function.
(all_symbols_read_hook): Exercise get_input_file and release_input_file
APIs and get the source file name from the symbol table. Convert
source file name to corresponding object file name. Print info
message when adding new input files.
(parse_readelf_line): New function.
* testsuite/plugin_test_1.sh: Add checks for new info messages.
* testsuite/plugin_test_2.sh: Likewise.
* testsuite/plugin_test_3.sh: Likewise.
* testsuite/plugin_test_4.sh: New test case.
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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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* 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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than read for file header.
* archive.cc (Archive::include_member): Likewise.
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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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serialization.
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reduces the amount of locking required to find a new thread to run.
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on error.
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named in linker scripts.
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available.
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adding new routines.
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dynamic object.
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relocations.
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table.
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runs.
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point of symbol resolution and can now issue a multiple definition
error. Also added target selection infrastructure.
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