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Diffstat (limited to 'gold/ChangeLog')
| -rw-r--r-- | gold/ChangeLog | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog index 22e4263..6b1a4f6 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,88 @@ +2008-09-19 Cary Coutant <ccoutant@google.com> + + Add plugin functionality for link-time optimization (LTO). + * 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. + 2008-09-16 Ian Lance Taylor <iant@google.com> * target-reloc.h (relocate_section): Check whether a symbol is |