*** old/agent/src/share/classes/sun/jvm/hotspot/code/PCDesc.java	Mon Oct 19 12:10:31 2009
--- new/agent/src/share/classes/sun/jvm/hotspot/code/PCDesc.java	Mon Oct 19 12:10:31 2009

*** 34,43 ****
--- 34,44 ----
      to the corresponding source scope and byte code index. */
  
  public class PCDesc extends VMObject {
    private static CIntegerField pcOffsetField;
    private static CIntegerField scopeDecodeOffsetField;
+   private static CIntegerField objDecodeOffsetField;
    private static CIntegerField pcFlagsField;
  
    static {
      VM.registerVMInitializedObserver(new Observer() {
          public void update(Observable o, Object data) {

*** 49,58 ****
--- 50,60 ----
    private static void initialize(TypeDataBase db) {
      Type type = db.lookupType("PcDesc");
  
      pcOffsetField          = type.getCIntegerField("_pc_offset");
      scopeDecodeOffsetField = type.getCIntegerField("_scope_decode_offset");
+     objDecodeOffsetField   = type.getCIntegerField("_obj_decode_offset");
      pcFlagsField           = type.getCIntegerField("_flags");
    }
  
    public PCDesc(Address addr) {
      super(addr);

*** 66,75 ****
--- 68,81 ----
  
    public int getScopeDecodeOffset() {
      return ((int) scopeDecodeOffsetField.getValue(addr));
    }
  
+   public int getObjDecodeOffset() {
+     return ((int) objDecodeOffsetField.getValue(addr));
+   }
+ 
    public Address getRealPC(NMethod code) {
      return code.instructionsBegin().addOffsetTo(getPCOffset());
    }