$NetBSD: patch-dn,v 1.1 2013/06/17 12:43:28 wiz Exp $

http://gnats.netbsd.org/45201

--- mono/mini/mini-amd64.h.orig	2011-08-04 08:13:43.000000000 +0300
+++ mono/mini/mini-amd64.h	2011-08-04 08:15:09.000000000 +0300
@@ -272,6 +272,10 @@ typedef struct {
 
 #define MONO_ARCH_NOMAP32BIT
 
+#elif defined (__DragonFly__)
+
+#define MONO_ARCH_NOMAP32BIT
+
 #elif defined (__NetBSD__)
 
 #define REG_RAX 14