--- old/src/cpu/x86/vm/nativeInst_x86.hpp	2010-11-16 18:03:22.000000000 +0100
+++ new/src/cpu/x86/vm/nativeInst_x86.hpp	2010-11-16 18:03:22.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -22,6 +22,15 @@
  *
  */
 
+#ifndef CPU_X86_VM_NATIVEINST_X86_HPP
+#define CPU_X86_VM_NATIVEINST_X86_HPP
+
+#include "asm/assembler.hpp"
+#include "memory/allocation.hpp"
+#include "runtime/icache.hpp"
+#include "runtime/os.hpp"
+#include "utilities/top.hpp"
+
 // We have interfaces for the following instructions:
 // - NativeInstruction
 // - - NativeCall
@@ -547,3 +556,5 @@
   return false;
 #endif // AMD64
 }
+
+#endif // CPU_X86_VM_NATIVEINST_X86_HPP