use art's thread context setjmp code

1 files changed, 11 insertions, 13 deletions

diff --git a/lib/libpthread/arch/sparc/uthread_machdep.h b/lib/libpthread/arch/sparc/uthread_machdep.h
index 46ffd6dc92c..53ad543f77a 100644
--- a/lib/libpthread/arch/sparc/uthread_machdep.h
+++ b/lib/libpthread/arch/sparc/uthread_machdep.h
@@ -1,7 +1,7 @@
 /*
  * OpenBSD/sparc machine-dependent thread macros
  *
- * $OpenBSD: uthread_machdep.h,v 1.3 1999/11/25 07:01:29 d Exp $
+ * $OpenBSD: uthread_machdep.h,v 1.4 2000/01/06 07:04:54 d Exp $
  */
 
 #include <sys/signal.h>
@@ -18,22 +18,20 @@
 		/* XXX tdb */				\
 	}
 
-/* initialise the jmpbuf stack frame so it continues from entry */
+typedef long _machdep_jmp_buf[2];
+
+int _thread_machdep_setjmp __P((_machdep_jmp_buf));
+void _thread_machdep_longjmp __P((_machdep_jmp_buf, int));
 
+/* initialise the jmpbuf stack frame so it continues from entry */
 #define _thread_machdep_thread_create(thr, entry, pattr)	\
-	{						\
-	    /* entry */					\
-	    (thr)->saved_jmp_buf[1] = (long) entry;	\
-	    /* stack */					\
-	    (thr)->saved_jmp_buf[0] = (long) (thr)->stack->base \
-				+ (thr)->stack->size	\
-				- sizeof(double);	\
+	{							\
+		long stack = (long)(thr)->stack->base +		\
+			(thr)->stack->size - 64;		\
+		(thr)->saved_jmp_buf[0] = (long)stack;		\
+		(thr)->saved_jmp_buf[1] = (long)entry - 8;	\
 	}
 
-#define _thread_machdep_longjmp(a,v)	_longjmp(a,v)
-#define _thread_machdep_setjmp(a)	_setjmp(a)
-typedef jmp_buf _machdep_jmp_buf;
-
 struct _machdep_struct {
         /* char            saved_fp[???]; */
 	int	dummy;