--- old/agent/src/share/classes/sun/jvm/hotspot/debugger/Address.java	2015-07-14 18:27:38.820593802 -0700
+++ new/agent/src/share/classes/sun/jvm/hotspot/debugger/Address.java	2015-07-14 18:27:38.704588083 -0700
@@ -209,4 +209,7 @@
       returns the result as an Address. Returns null if the result was
       zero. */
   public Address    xorWithMask(long mask) throws UnsupportedOperationException;
+
+  // return address as long integer.
+  public long asLongValue();
 }