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author | Cary Coutant <ccoutant@google.com> | 2008-09-19 22:54:57 +0000 |
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committer | Cary Coutant <ccoutant@google.com> | 2008-09-19 22:54:57 +0000 |
commit | 89fc34211be8b1d74b83e4e2b18cfa4b4cf65ba9 (patch) | |
tree | cd5675e9053bb0b9b68d98253003c08bc5e28bb9 /gold/options.cc | |
parent | 14fc49fb1561bd620e790080ad27ed3890780b42 (diff) | |
download | fsf-binutils-gdb-89fc34211be8b1d74b83e4e2b18cfa4b4cf65ba9.zip fsf-binutils-gdb-89fc34211be8b1d74b83e4e2b18cfa4b4cf65ba9.tar.gz fsf-binutils-gdb-89fc34211be8b1d74b83e4e2b18cfa4b4cf65ba9.tar.bz2 |
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.
Diffstat (limited to 'gold/options.cc')
-rw-r--r-- | gold/options.cc | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/gold/options.cc b/gold/options.cc index 78f0b1a..08b67fd 100644 --- a/gold/options.cc +++ b/gold/options.cc @@ -36,6 +36,7 @@ #include "script.h" #include "target-select.h" #include "options.h" +#include "plugin.h" namespace gold { @@ -296,6 +297,15 @@ General_options::parse_library(const char*, const char* arg, cmdline->inputs().add_file(file); } +#ifdef ENABLE_PLUGINS +void +General_options::parse_plugin(const char*, const char* arg, + Command_line*) +{ + this->add_plugin(arg); +} +#endif // ENABLE_PLUGINS + void General_options::parse_R(const char* option, const char* arg, Command_line* cmdline) @@ -594,7 +604,7 @@ namespace gold General_options::General_options() : execstack_status_(General_options::EXECSTACK_FROM_INPUT), static_(false), - do_demangle_(false) + do_demangle_(false), plugins_() { } @@ -632,6 +642,16 @@ General_options::add_sysroot() free(canonical_sysroot); } +// Add a plugin and its arguments to the list of plugins. + +void +General_options::add_plugin(const char* arg) +{ + if (this->plugins_ == NULL) + this->plugins_ = new Plugin_manager(*this); + this->plugins_->add_plugin(arg); +} + // Set up variables and other state that isn't set up automatically by // the parse routine, and ensure options don't contradict each other // and are otherwise kosher. |