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-rw-r--r--csu/Makefile38
1 files changed, 36 insertions, 2 deletions
diff --git a/csu/Makefile b/csu/Makefile
index c13ec1ec88..4c343541ae 100644
--- a/csu/Makefile
+++ b/csu/Makefile
@@ -52,19 +52,42 @@ CPPFLAGS += -DHAVE_INITFINI
# "functions" _init and _fini to run the .init and .fini sections.
crtstuff = crti crtn
+# If we need separate startup code, require separate code.
+ifeq ($(need-nopic-initfini),yes)
+crtstuff += crtiS crtnS
+endif
+
install-lib += $(crtstuff:=.o)
extra-objs += $(crtstuff:=.o)
-generated += $(crtstuff:=.S) initfini.s align.h end.h
+generated += $(crtstuff:=.S) initfini.s initfiniS.s align.h end.h
omit-deps += $(crtstuff)
# Special rules for the building of crti.o and crtn.o
$(objpfx)crt%.o: $(objpfx)crt%.S $(objpfx)defs.h
- $(compile.S) -fPIC -g0 -o $@
+ $(compile.S) -g0 -o $@
$(objpfx)initfini.s: initfini.c
+ $(compile.c) -g0 -S -finhibit-size-directive \
+ $(no-exceptions) -o $@
+
+$(objpfx)initfiniS.s: initfini.c
$(compile.c) -g0 -S -fPIC -finhibit-size-directive \
$(no-exceptions) -o $@
+ifneq ($(need-nopic-initfini),yes)
+# We only have one kind of startup code files. Static binaries and
+# shared libraries are build using the PIC version.
+$(objpfx)crti.S: $(objpfx)initfiniS.s
+ sed -n -e '1,/@HEADER_ENDS/p' \
+ -e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
+ -e '/@TRAILER_BEGINS/,$$p' $< > $@
+
+$(objpfx)crtn.S: $(objpfx)initfiniS.s
+ sed -n -e '1,/@HEADER_ENDS/p' \
+ -e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
+ -e '/@TRAILER_BEGINS/,$$p' $< > $@
+else
+# We have to build two versions, one with one without PIC code.
$(objpfx)crti.S: $(objpfx)initfini.s
sed -n -e '1,/@HEADER_ENDS/p' \
-e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
@@ -75,6 +98,17 @@ $(objpfx)crtn.S: $(objpfx)initfini.s
-e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
-e '/@TRAILER_BEGINS/,$$p' $< > $@
+$(objpfx)crtiS.S: $(objpfx)initfiniS.s
+ sed -n -e '1,/@HEADER_ENDS/p' \
+ -e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
+ -e '/@TRAILER_BEGINS/,$$p' $< > $@
+
+$(objpfx)crtnS.S: $(objpfx)initfiniS.s
+ sed -n -e '1,/@HEADER_ENDS/p' \
+ -e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
+ -e '/@TRAILER_BEGINS/,$$p' $< > $@
+endif
+
$(objpfx)defs.h: $(objpfx)initfini.s
sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \
awk -f defs.awk > $@