diff options
Diffstat (limited to 'csu/Makefile')
| -rw-r--r-- | csu/Makefile | 38 |
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 > $@ |