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authorEric Andersen <andersen@codepoet.org>2002-12-12 10:14:19 +0000
committerEric Andersen <andersen@codepoet.org>2002-12-12 10:14:19 +0000
commit3628edc05e5b439aad08191ab220360f9d9f54bd (patch)
treeff8aaa7216e50019a7852d367bae3bae34fdb92d /libc/sysdeps/linux/sh
parentf329b6fe2f16e16000bb648aa678c2a947258e87 (diff)
Based on discussions with Stefan Allius, change it so that we always
build a crt0.o and a crt1.o. crt1.o will support ctors and dtors if such support is enabled. One more gratuitous toolchain support issue is thereby removed... -Erik
Diffstat (limited to 'libc/sysdeps/linux/sh')
-rw-r--r--libc/sysdeps/linux/sh/Makefile14
-rw-r--r--libc/sysdeps/linux/sh/crt0.S7
2 files changed, 9 insertions, 12 deletions
diff --git a/libc/sysdeps/linux/sh/Makefile b/libc/sysdeps/linux/sh/Makefile
index e17838db9..f43c83096 100644
--- a/libc/sysdeps/linux/sh/Makefile
+++ b/libc/sysdeps/linux/sh/Makefile
@@ -25,12 +25,10 @@ TOPDIR=../../../../
include $(TOPDIR)Rules.mak
CFLAGS+= -I../
-SFLAGS= $(CFLAGS) -D__ASSEMBLER__ -DASM_GLOBAL_DIRECTIVE=.globl
+SFLAGS= $(CFLAGS) -D__ASSEMBLER__
-TARGET_MACHINE_TYPE=$(shell $(CC) -dumpmachine)
-
-CRT0=crt0.S
-CRT0_OBJ=$(patsubst %.S,%.o, $(CRT0))
+CRT0_SRC = crt0.S
+CRT0_OBJ = crt0.o crt1.o
SSRC=setjmp.S __longjmp.S vfork.S clone.S
SOBJS=$(patsubst %.S,%.o, $(SSRC))
@@ -47,10 +45,10 @@ $(LIBC): ar-target
ar-target: $(OBJS) $(CRT0_OBJ)
$(AR) $(ARFLAGS) $(LIBC) $(OBJS)
- cp $(CRT0_OBJ) $(TOPDIR)lib/$(CRT0_OBJ)
+ cp $(CRT0_OBJ) $(TOPDIR)lib/
-$(CRT0_OBJ): %.o : %.S
- $(CC) $(SFLAGS) -c $< -o $@
+$(CRT0_OBJ): $(CRT0_SRC)
+ $(CC) $(CFLAGS) -DL_$* $< -c -o $*.o
$(STRIPTOOL) -x -R .note -R .comment $*.o
$(SOBJS): %.o : %.S
diff --git a/libc/sysdeps/linux/sh/crt0.S b/libc/sysdeps/linux/sh/crt0.S
index cf2b7a6a3..90fba8d34 100644
--- a/libc/sysdeps/linux/sh/crt0.S
+++ b/libc/sysdeps/linux/sh/crt0.S
@@ -49,7 +49,7 @@ _start:
mov.l @r15+,r4
mov r15, r5
-#if ! defined __UCLIBC_CTOR_DTOR__
+#if defined L_crt0 || ! defined __UCLIBC_CTOR_DTOR__
/*
* Setup the value for the environment pointer:
* r6 = (argc + 1) * 4
@@ -58,12 +58,11 @@ _start:
mov r4,r6
add #1,r6
shll2 r6
- add r5, r6
/* jump to __uClibc_main (argc, argv, envp) */
mov.l L_main, r0
jsr @r0
- nop /* delay slot */
+ add r5, r6 /* delay slot */
/* We should not get here. */
mov.l L_abort, r0
@@ -76,7 +75,7 @@ _start_end:
L_main:
.long __uClibc_main /* in libuClibc.*.so */
-#else /* __UCLIBC_CTOR_DTOR__ */
+#else /* L_crt1 && __UCLIBC_CTOR_DTOR__ */
/* Push the finip argument to __uClibc_start_main() onto the stack */
mov.l L_fini,r6
mov.l r6,@-r15