$NetBSD: patch-dh,v 1.1 2013/06/17 12:43:28 wiz Exp $
--- mono/mini/mini-x86.c.orig	2010-10-05 22:59:29.000000000 +0300
+++ mono/mini/mini-x86.c	2010-10-07 18:37:19.000000000 +0300
@@ -248,7 +248,7 @@
 
 static X86_Reg_No param_regs [] = { 0 };
 
-#if defined(TARGET_WIN32) || defined(__APPLE__) || defined(__FreeBSD__)
+#if defined(TARGET_WIN32) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__DragonFly__)
 #define SMALL_STRUCTS_IN_REGS
 static X86_Reg_No return_regs [] = { X86_EAX, X86_EDX };
 #endif