binutils-gdb/gold/Makefile.am
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

235 lines
5.1 KiB
Makefile

# Process this file with automake to generate Makefile.in
AUTOMAKE_OPTIONS =
SUBDIRS = po testsuite
tooldir = $(exec_prefix)/$(target_alias)
ACLOCAL_AMFLAGS = -I ../bfd -I ../config
AM_CFLAGS = $(WARN_CFLAGS) $(LFS_CFLAGS) $(RANDOM_SEED_CFLAGS)
AM_CXXFLAGS = $(WARN_CXXFLAGS) $(LFS_CFLAGS) $(RANDOM_SEED_CFLAGS)
INCLUDES = \
-I$(srcdir) -I$(srcdir)/../include -I$(srcdir)/../elfcpp \
-DLOCALEDIR="\"$(datadir)/locale\"" \
-DBINDIR="\"$(bindir)\"" -DTOOLBINDIR="\"$(tooldir)/bin\"" \
@INCINTL@
LIBIBERTY = ../libiberty/libiberty.a
if PLUGINS
LIBDL = -ldl
endif
if THREADS
THREADSLIB = -lpthread
endif
AM_YFLAGS = -d
noinst_PROGRAMS = ld-new
noinst_LIBRARIES = libgold.a
CCFILES = \
archive.cc \
binary.cc \
common.cc \
compressed_output.cc \
copy-relocs.cc \
cref.cc \
defstd.cc \
descriptors.cc \
dirsearch.cc \
dynobj.cc \
dwarf_reader.cc \
ehframe.cc \
errors.cc \
expression.cc \
fileread.cc \
gold.cc \
gold-threads.cc \
layout.cc \
mapfile.cc \
merge.cc \
object.cc \
options.cc \
output.cc \
parameters.cc \
plugin.cc \
readsyms.cc \
reduced_debug_output.cc \
reloc.cc \
resolve.cc \
script-sections.cc \
script.cc \
stringpool.cc \
symtab.cc \
target-select.cc \
version.cc \
workqueue.cc \
workqueue-threads.cc
HFILES = \
archive.h \
binary.h \
common.h \
compressed_output.h \
copy-relocs.h \
cref.h \
defstd.h \
dirsearch.h \
descriptors.h \
dynobj.h \
dwarf_reader.h \
ehframe.h \
errors.h \
fileread.h \
gold.h \
gold-threads.h \
layout.h \
mapfile.h \
merge.h \
object.h \
options.h \
output.h \
parameters.h \
plugin.h \
readsyms.h \
reduced_debug_output.h \
reloc.h \
reloc-types.h \
script-c.h \
script-sections.h \
script.h \
stringpool.h \
symtab.h \
target.h \
target-reloc.h \
target-select.h \
tls.h \
token.h \
workqueue.h \
workqueue-internal.h
YFILES = \
yyscript.y
EXTRA_DIST = yyscript.c yyscript.h
TARGETSOURCES = \
i386.cc x86_64.cc sparc.cc powerpc.cc
ALL_TARGETOBJS = \
i386.$(OBJEXT) x86_64.$(OBJEXT) sparc.$(OBJEXT) powerpc.$(OBJEXT)
libgold_a_SOURCES = $(CCFILES) $(HFILES) $(YFILES)
sources_var = main.cc
deps_var = $(TARGETOBJS) libgold.a $(LIBIBERTY) $(LIBINTL_DEP)
ldadd_var = $(TARGETOBJS) libgold.a $(LIBIBERTY) $(LIBINTL) \
$(THREADSLIB) $(LIBDL)
ld_new_SOURCES = $(sources_var)
ld_new_DEPENDENCIES = $(deps_var) $(LIBOBJS)
ld_new_LDADD = $(ldadd_var) $(LIBOBJS)
EXTRA_ld_new_SOURCES = $(TARGETSOURCES)
# Use an explicit dependency for the bison generated header file.
expression.$(OBJEXT): yyscript.h
script-sections.$(OBJEXT): yyscript.h
script.$(OBJEXT): yyscript.h
# We have to build libgold.a before we run the tests.
check: libgold.a
.PHONY: install-exec-local
install-exec-local: ld-new$(EXEEXT)
$(mkinstalldirs) $(DESTDIR)$(bindir) $(DESTDIR)$(tooldir)/bin
n=`echo ld | sed '$(transform)'`; \
$(INSTALL_PROGRAM) ld-new$(EXEEXT) $(DESTDIR)$(bindir)/$${n}$(EXEEXT); \
if test "$(bindir)" != "$(tooldir)/bin"; then \
rm -f $(DESTDIR)$(tooldir)/bin/ld$(EXEEXT); \
ln $(DESTDIR)$(bindir)/$${n}$(EXEEXT) $(DESTDIR)$(tooldir)/bin/ld$(EXEEXT) >/dev/null 2>/dev/null \
|| $(INSTALL_PROGRAM) ld-new$(EXEEXT) $(DESTDIR)$(tooldir)/bin/ld$(EXEEXT); \
fi
# We want install to imply install-info as per GNU standards, despite
# the cygnus option.
install-data-local: install-info
POTFILES= $(CCFILES) $(HFILES) $(TARGETSOURCES)
po/POTFILES.in: @MAINT@ Makefile
for f in $(POTFILES); do echo $$f; done | LC_ALL=C sort > tmp \
&& mv tmp $(srcdir)/po/POTFILES.in
# Bootstrap test support. We use ld-new to build ld1, then use ld1 to
# build ld2. ld1 and ld2 should be identical. ld-new need not be
# identical to ld1, since it was linked with the host linker.
if GCC
if NATIVE_LINKER
gcctestdir1/ld: ld-new
test -d gcctestdir1 || mkdir -p gcctestdir1
rm -f gcctestdir1/ld
(cd gcctestdir1 && $(LN_S) ../ld-new ld)
ld1_SOURCES = $(sources_var)
ld1_DEPENDENCIES = $(deps_var) gcctestdir1/ld
ld1_LDADD = $(ldadd_var)
ld1_LDFLAGS = -Bgcctestdir1/
gcctestdir2/ld: ld1
test -d gcctestdir2 || mkdir -p gcctestdir2
rm -f gcctestdir2/ld
(cd gcctestdir2 && $(LN_S) ../ld1 ld)
ld2_SOURCES = $(sources_var)
ld2_DEPENDENCIES = $(deps_var) gcctestdir2/ld
ld2_LDADD = $(ldadd_var)
ld2_LDFLAGS = -Bgcctestdir2/
bootstrap-test: ld2
rm -f $@
echo "#!/bin/sh" > $@
echo "cmp ld1 ld2" > $@
chmod +x $@
libgold-1-r.o: gcctestdir1/ld libgold.a
gcctestdir1/ld -o $@ -r --whole-archive libgold.a
ld1_r_SOURCES = $(sources_var)
ld1_r_DEPENDENCIES = libgold-1-r.o $(deps_var) gcctestdir1/ld
ld1_r_LDADD = libgold-1-r.o $(ldadd_var)
ld1_r_LDFLAGS = -Bgcctestdir1/
gcctestdir2-r/ld: ld1-r
test -d gcctestdir2-r || mkdir -p gcctestdir2-r
rm -f gcctestdir2-r/ld
(cd gcctestdir2-r && $(LN_S) ../ld1-r ld)
libgold-2-r.o: gcctestdir2-r/ld libgold.a
gcctestdir2-r/ld -o $@ -r --whole-archive libgold.a
ld2_r_SOURCES = $(sources_var)
ld2_r_DEPENDENCIES = libgold-2-r.o $(deps_var) gcctestdir2-r/ld
ld2_r_LDADD = libgold-2-r.o $(ldadd_var)
ld2_r_LDFLAGS = -Bgcctestdir2-r/
bootstrap-test-r: ld2-r
rm -f $@
echo "#!/bin/sh" > $@
echo "cmp ld1-r ld2-r" > $@
chmod +x $@
check_PROGRAMS = ld1 ld2 ld1-r ld2-r
TESTS = bootstrap-test bootstrap-test-r
endif
endif