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authorMike Frysinger <vapier@gentoo.org>2006-02-28 01:04:16 +0000
committerMike Frysinger <vapier@gentoo.org>2006-02-28 01:04:16 +0000
commitfe774e4e70a4538f226ad0ed6db2380aae58c7c2 (patch)
treecf757f04d551a4775e9f21bb90c21f7b16ebfe05
parentc40c7db317c01c8917c371e4756a5d25ab7c9c62 (diff)
add support for glibc initfini.c
-rw-r--r--Makerules30
-rw-r--r--extra/scripts/defs.awk27
2 files changed, 53 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)
diff --git a/extra/scripts/defs.awk b/extra/scripts/defs.awk
new file mode 100644
index 000000000..7ca5a3364
--- /dev/null
+++ b/extra/scripts/defs.awk
@@ -0,0 +1,27 @@
+/^[ ]*\.endp/ { need_endp = 1 }
+/^[ ]*\.end/ { need_end = 1 }
+/^[ ]*\.align/ { if($2 > max) max = $2; }
+
+END {
+ if(need_endp)
+ {
+ print "#define END_INIT .endp _init";
+ print "#define END_FINI .endp _fini";
+ } else if(need_end)
+ {
+ print "#define END_INIT .end _init";
+ print "#define END_FINI .end _fini";
+ }
+ else
+ {
+ print "#define END_INIT";
+ print "#define END_FINI";
+ }
+ if(max)
+ print "#define ALIGN .align", max;
+ else
+ print "#define ALIGN";
+
+ print "#include <libc-symbols.h>";
+ print "weak_extern (__gmon_start__)";
+}