$NetBSD: patch-bi,v 1.1 2009/10/18 10:21:01 tnn Exp $

--- hotspot/src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp.orig	2009-10-17 16:49:37.000000000 +0200
+++ hotspot/src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp
@@ -60,7 +60,7 @@
 #define SPELL_REG_FP "ebp"
 #endif // AMD64
 
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__DragonFly__)
 # define context_trapno uc_mcontext.mc_trapno
 # ifdef AMD64
 #  define context_pc uc_mcontext.mc_rip