--- old/src/share/tools/hsdis/hsdis.h	2010-10-28 13:51:16.000000000 +0200
+++ new/src/share/tools/hsdis/hsdis.h	2010-10-28 13:51:16.000000000 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 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 +22,9 @@
  *
  */
 
+#ifndef SHARE_TOOLS_HSDIS_HSDIS_H
+#define SHARE_TOOLS_HSDIS_HSDIS_H
+
 /* decode_instructions -- dump a range of addresses as native instructions
    This implements the protocol required by the HotSpot PrintAssembly option.
 
@@ -65,3 +68,5 @@
                                             decode_instructions_printf_callback_ftype printf_callback,
                                             void* printf_stream,
                                             const char* options);
+
+#endif // SHARE_TOOLS_HSDIS_HSDIS_H