*** old/agent/src/share/classes/sun/jvm/hotspot/runtime/JavaThread.java	Wed Mar 13 23:31:49 2013
--- new/agent/src/share/classes/sun/jvm/hotspot/runtime/JavaThread.java	Wed Mar 13 23:31:49 2013

*** 1,7 ****
--- 1,7 ----
  /*
!  * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 2000, 2013, 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
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.

*** 318,327 ****
--- 318,331 ----
  
    public Address getStackBase() {
      return stackBaseField.getValue(addr);
    }
  
+   public long getStackBaseValue() {
+     return VM.getVM().getAddressValue(getStackBase());
+   }
+ 
    public long getStackSize() {
      return stackSizeField.getValue(addr);
    }
  
    /** Gets the Java-side thread object for this JavaThread */