$NetBSD: patch-ab,v 1.2 2000/07/28 07:20:05 itohy Exp $

--- include/addresses.h.orig	Fri Jun 11 15:58:36 1999
+++ include/addresses.h	Wed Jul 26 11:11:27 2000
@@ -61,7 +61,7 @@
 #elif defined(__sparc__)
 #include <machine/frame.h>
 #undef  STACK_BASE
-#define STACK_BASE - sizeof(struct frame)
+#define STACK_BASE (void *)(alloca(0) - sizeof(struct frame))
 #endif
 #endif /* __NetBSD__ */