--- old/agent/src/share/classes/sun/jvm/hotspot/debugger/Debugger.java	2012-10-08 20:34:52.105797418 +0200
+++ new/agent/src/share/classes/sun/jvm/hotspot/debugger/Debugger.java	2012-10-08 20:34:51.930155281 +0200
@@ -121,6 +121,9 @@
   public long getHeapOopSize();
   public long getNarrowOopBase();
   public int  getNarrowOopShift();
+  public long getKlassPtrSize();
+  public long getNarrowKlassBase();
+  public int  getNarrowKlassShift();
 
   public ReadResult readBytesFromProcess(long address, long numBytes)
     throws DebuggerException;