$OpenBSD: patch-mono_mini_mini-amd64_h,v 1.4 2010/03/23 08:25:26 robert Exp $
--- mono/mini/mini-amd64.h.orig	Tue Mar 23 08:59:52 2010
+++ mono/mini/mini-amd64.h	Tue Mar 23 09:00:38 2010
@@ -254,10 +254,6 @@ typedef struct {
 
 #endif
 
-#ifdef __OpenBSD__
-#undef MONO_ARCH_USE_SIGACTION
-#endif
-
 #endif /* PLATFORM_WIN32 */
 
 #if defined (__NetBSD__)
@@ -282,7 +278,11 @@ typedef struct {
 
 #define MONO_ARCH_NOMAP32BIT
 
-#elif defined (__FreeBSD__) || defined (__OpenBSD__)
+#elif defined (__OpenBSD__)
+
+#define MONO_ARCH_NOMAP32BIT
+
+#elif defined (__FreeBSD__)
 
 #define REG_RAX 7
 #define REG_RCX 4