add support for glibc initfini.c

1 files changed, 26 insertions, 4 deletions

diff --git a/Makerules b/Makerules
index e6a236fb4..be52e247f 100644
--- a/Makerules
+++ b/Makerules
@@ -196,16 +196,38 @@ $(CRTS): $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/$(CRT).S
 	$(compile.S)
 	$(Q)$(STRIPTOOL) -x -R .note -R .comment $@
 
+ifeq ($(UCLIBC_CTOR_DTOR),y)
 CTOR_TARGETS=$(top_builddir)lib/crti.o $(top_builddir)lib/crtn.o
+else
+CTOR_TARGETS:=
+endif
 
-ifeq ($(UCLIBC_CTOR_DTOR),y)
-$(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/%.S
+ifneq ($(wildcard $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c),)
+$(top_builddir)lib/initfini.s: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c
+	$(compile.c) -S -finhibit-size-directive
+
+$(top_builddir)lib/defs.h: $(top_builddir)lib/initfini.s
+	$(Q)sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \
+		gawk -f $(top_srcdir)extra/scripts/defs.awk > $@.tmp
+	$(Q)mv $@.tmp $@
+
+$(top_builddir)lib/crti.S: $(top_builddir)lib/initfini.s $(top_builddir)lib/defs.h
+	$(Q)sed -n -e '1,/@HEADER_ENDS/p' \
+	       -e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
+	       -e '/@TRAILER_BEGINS/,$$p' $< > $@
+
+$(top_builddir)lib/crtn.S: $(top_builddir)lib/initfini.s
+	$(Q)sed -n -e '1,/@HEADER_ENDS/p' \
+	       -e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
+	       -e '/@TRAILER_BEGINS/,$$p' $< > $@
+
+$(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_builddir)lib/%.S
 	$(Q)$(INSTALL) -d $(dir $@)
 	$(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS)
 else
-$(CTOR_TARGETS):
+$(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/%.S
 	$(Q)$(INSTALL) -d $(dir $@)
-	$(do_ar)
+	$(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS)
 endif
 
 #ifeq ($(TARGET_ARCH),nios)