Commit Graph

2 Commits

Author SHA1 Message Date
Cary Coutant 0f7c0701ba * archive.cc (Archive::get_elf_object_for_member): Remove call
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.
2009-01-15 01:29:25 +00:00
Cary Coutant 89fc34211b Add plugin functionality for link-time optimization (LTO).
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.
2008-09-19 22:54:57 +00:00