6d03d481a0
* Makefile.am (CCFILES): Add gc.cc. (HFILES): Add gc.h. * Makefile.in: Regenerate. * gold.cc (Gc_runner): New class. (queue_initial_tasks): Call garbage collection related tasks when corresponding options are invoked. (queue_middle_gc_tasks): New function. (queue_middle_tasks): Reorder tasks to allow relocs to be read and processed early before laying out sections during garbage collection. * gold.h (queue_middle_gc_tasks): New function. (is_prefix_of): Move from "layout.cc". * i386.cc (Target_i386::gc_process_relocs): New function. * layout.cc (is_prefix_of): Remove. Move to "gold.h" * main.cc (main): Create object of class "Garbage_collection". * object.cc (Relobj::copy_symbols_data): New function. (Relobj::is_section_name_included): New function. (Sized_relobj::do_layout): Allow this function to be called twice during garbage collection and defer layout of section during the first call. * object.h (Relobj::get_symbols_data): New function. (Relobj::is_section_name_included): New function. (Relobj::copy_symbols_data): New function. (Relobj::set_symbols_data): New function. (Relobj::get_relocs_data): New function. (Relobj::set_relocs_data): New function. (Relobj::is_output_section_offset_invalid): New pure virtual function. (Relobj::gc_process_relocs): New function. (Relobj::do_gc_process_relocs): New pure virtual function. (Relobj::sd_): New data member. (Sized_relobj::is_output_section_offset_invalid): New function. (Sized_relobj::do_gc_process_relocs): New function. * options.h (General_options::gc_sections): Modify to not be a no-op. (General_options::print_gc_sections): New option. * plugin.cc (Plugin_finish::run): Remove function call to Plugin_manager::layout_deferred_objects. Move it to "gold.cc". * powerpc.cc (Target_powerpc::gc_process_relocs): New function. * reloc.cc (Read_relocs::run): Add task to process relocs and determine unreferenced sections when doing garbage collection. (Gc_process_relocs): New class. (Sized_relobj::do_gc_process_relocs): New function. (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for sections that are garbage collected. * reloc.h (Gc_process_relocs): New class. * sparc.cc (Target_sparc::gc_process_relocs): New function. * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for symbols whose corresponding sections are garbage collected. (Symbol_table::Symbol_table): Add new parameter for the garbage collection object. (Symbol_table::gc_mark_undef_symbols): New function. (Symbol_table::gc_mark_symbol_for_shlib): New function. (Symbol_table::gc_mark_dyn_syms): New function. (Symbol_table::resolve): Do not treat symbols seen in dynamic objects as garbage. (Symbol_table::add_from_object): Likewise. (Symbol_table::add_from_relobj): When building shared objects, do not treat externally visible symbols as garbage. (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol table information for static and relocatable links. * symtab.h (Symbol_table::set_gc): New function. (Symbol_table::gc): New function. (Symbol_table::gc_mark_undef_symbols): New function. (Symbol_table::gc_mark_symbol_for_shlib): New function. (Symbol_table::gc_mark_dyn_syms): New function. (Symbol_table::gc_): New data member. * target.h (Sized_target::gc_process_relocs): New pure virtual function. * x86_64.cc (Target_x86_64::gc_process_relocs): New function. * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
236 lines
5.1 KiB
Makefile
236 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="\"$(tooldir)/bin\"" \
|
|
@INCINTL@
|
|
|
|
LIBIBERTY = ../libiberty/libiberty.a
|
|
|
|
if PLUGINS
|
|
LIBDL = -ldl
|
|
endif
|
|
|
|
if THREADS
|
|
THREADSLIB = -lpthread
|
|
endif
|
|
|
|
AM_YFLAGS = -d
|
|
|
|
noinst_PROGRAMS = ld-new
|
|
noinst_LIBRARIES = libgold.a
|
|
|
|
CCFILES = \
|
|
archive.cc \
|
|
binary.cc \
|
|
common.cc \
|
|
compressed_output.cc \
|
|
copy-relocs.cc \
|
|
cref.cc \
|
|
defstd.cc \
|
|
descriptors.cc \
|
|
dirsearch.cc \
|
|
dynobj.cc \
|
|
dwarf_reader.cc \
|
|
ehframe.cc \
|
|
errors.cc \
|
|
expression.cc \
|
|
fileread.cc \
|
|
gc.cc \
|
|
gold.cc \
|
|
gold-threads.cc \
|
|
layout.cc \
|
|
mapfile.cc \
|
|
merge.cc \
|
|
object.cc \
|
|
options.cc \
|
|
output.cc \
|
|
parameters.cc \
|
|
plugin.cc \
|
|
readsyms.cc \
|
|
reduced_debug_output.cc \
|
|
reloc.cc \
|
|
resolve.cc \
|
|
script-sections.cc \
|
|
script.cc \
|
|
stringpool.cc \
|
|
symtab.cc \
|
|
target-select.cc \
|
|
version.cc \
|
|
workqueue.cc \
|
|
workqueue-threads.cc
|
|
|
|
HFILES = \
|
|
archive.h \
|
|
binary.h \
|
|
common.h \
|
|
compressed_output.h \
|
|
copy-relocs.h \
|
|
cref.h \
|
|
defstd.h \
|
|
dirsearch.h \
|
|
descriptors.h \
|
|
dynobj.h \
|
|
dwarf_reader.h \
|
|
ehframe.h \
|
|
errors.h \
|
|
fileread.h \
|
|
gc.h \
|
|
gold.h \
|
|
gold-threads.h \
|
|
layout.h \
|
|
mapfile.h \
|
|
merge.h \
|
|
object.h \
|
|
options.h \
|
|
output.h \
|
|
parameters.h \
|
|
plugin.h \
|
|
readsyms.h \
|
|
reduced_debug_output.h \
|
|
reloc.h \
|
|
reloc-types.h \
|
|
script-c.h \
|
|
script-sections.h \
|
|
script.h \
|
|
stringpool.h \
|
|
symtab.h \
|
|
target.h \
|
|
target-reloc.h \
|
|
target-select.h \
|
|
tls.h \
|
|
token.h \
|
|
workqueue.h \
|
|
workqueue-internal.h
|
|
|
|
YFILES = \
|
|
yyscript.y
|
|
|
|
EXTRA_DIST = yyscript.c yyscript.h
|
|
|
|
TARGETSOURCES = \
|
|
i386.cc x86_64.cc sparc.cc powerpc.cc
|
|
|
|
ALL_TARGETOBJS = \
|
|
i386.$(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
|