re-add weak sparc support; d@

3 files changed, 17 insertions, 17 deletions

diff --git a/lib/libc/arch/sparc/SYS.h b/lib/libc/arch/sparc/SYS.h
index c7a67cfeb5b..ce336d37461 100644
--- a/lib/libc/arch/sparc/SYS.h
+++ b/lib/libc/arch/sparc/SYS.h
@@ -34,7 +34,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$OpenBSD: SYS.h,v 1.5 2000/10/11 01:49:43 d Exp $
+ *	$OpenBSD: SYS.h,v 1.6 2000/10/16 14:25:04 deraadt Exp $
  */
 
 #include <machine/asm.h>
@@ -43,10 +43,16 @@
 
 #ifdef __STDC__
 #define _CAT(x,y) x##y
-#define __ENTRY(p,x) ENTRY(p##x)
+#define __ENTRY(p,x) \
+		.weak _C_LABEL(x); \
+		_C_LABEL(x) = _C_LABEL(p##x); \
+		ENTRY(p##x)
 #else
 #define _CAT(x,y) x/**/y
-#define __ENTRY(p,x) ENTRY(p/**/x)
+#define __ENTRY(p,x) \
+		.weak _C_LABEL(x); \
+		_C_LABEL(x) = _C_LABEL(p/**/x); \
+		ENTRY(p/**/x)
 #endif
 
 /*
@@ -86,7 +92,6 @@
 	__ENTRY(p,x); mov (_CAT(SYS_,y))|SYSCALL_G2RFLAG,%g1; add %o7,8,%g2; \
 	t ST_SYSCALL; ERROR()
 
-#ifdef _THREAD_SAFE
 /*
  * For the thread_safe versions, we prepend _thread_sys_ to the function
  * name so that the 'C' wrapper can go around the real name.
@@ -95,14 +100,4 @@
 # define RSYSCALL(x)	__RSYSCALL(_thread_sys_,x)
 # define PSEUDO(x,y)	__PSEUDO(_thread_sys_,x,y)
 # define SYSENTRY(x)	__ENTRY(_thread_sys_,x)
-#else _THREAD_SAFE
-/*
- * The non-threaded library defaults to traditional syscalls where
- * the function name matches the syscall name.
- */
-# define SYSCALL(x)	__SYSCALL(,x)
-# define RSYSCALL(x)	__RSYSCALL(,x)
-# define PSEUDO(x,y)	__PSEUDO(,x,y)
-# define SYSENTRY(x)	__ENTRY(,x)
-#endif _THREAD_SAFE
 	.globl	cerror
diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc
index cce9047dc8b..fd2239a32c5 100644
--- a/lib/libc/sys/Makefile.inc
+++ b/lib/libc/sys/Makefile.inc
@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile.inc,v 1.36 2000/05/15 06:10:21 niklas Exp $
+#	$OpenBSD: Makefile.inc,v 1.37 2000/10/16 14:25:04 deraadt Exp $
 #	$NetBSD: Makefile.inc,v 1.35 1995/10/16 23:49:07 jtc Exp $
 #	@(#)Makefile.inc	8.1 (Berkeley) 6/17/93
 
@@ -6,7 +6,7 @@
 .PATH: ${LIBCSRCDIR}/arch/${MACHINE_ARCH}/sys ${LIBCSRCDIR}/sys
 
 # for now, only i386 has usable weak aliases
-.if ${MACHINE_ARCH} != "i386"
+.if ${MACHINE_ARCH} != "i386" && ${MACHINE_ARCH} != "sparc"
 CFLAGS+=	-D_NO_WEAK_ALIASES
 .endif
 
diff --git a/sys/arch/sparc/include/cdefs.h b/sys/arch/sparc/include/cdefs.h
index 54b934c3216..b16678c037f 100644
--- a/sys/arch/sparc/include/cdefs.h
+++ b/sys/arch/sparc/include/cdefs.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: cdefs.h,v 1.4 1997/08/08 08:26:07 downsj Exp $	*/
+/*	$OpenBSD: cdefs.h,v 1.5 2000/10/16 14:25:05 deraadt Exp $	*/
 /*	$NetBSD: cdefs.h,v 1.3 1996/12/27 20:51:31 pk Exp $	*/
 
 /*
@@ -23,6 +23,8 @@
 #define __warn_references(sym,msg)	\
 	__asm__(".stabs \"" msg "\",30,0,0,0");		\
 	__asm__(".stabs \"_" #sym "\",1,0,0,0")
+#define __weak_alias(alias,sym)	\
+	__asm__(".weak _" #alias "; _" #alias "= _" __STRING(sym))
 #else
 #define __indr_reference(sym,alias)	\
 	__asm__(".stabs \"_/**/alias\",11,0,0,0");	\
@@ -30,10 +32,13 @@
 #define __warn_references(sym,msg)	\
 	__asm__(".stabs msg,30,0,0,0");			\
 	__asm__(".stabs \"_/**/sym\",1,0,0,0")
+#define __weak_alias(alias,sym)	\
+	__asm__(".weak _/**/alias; _/**/alias = _/**/sym")
 #endif
 #else
 #define __indr_reference(sym,alias)
 #define __warn_references(sym,msg)
+#define	__weak_alias(alias,sym)
 #endif
 
 #endif /* !_MACHINE_CDEFS_H_ */