*** old/agent/src/share/classes/sun/jvm/hotspot/runtime/ppc64/PPC64Frame.java	Tue Mar 10 15:40:40 2015
--- new/agent/src/share/classes/sun/jvm/hotspot/runtime/ppc64/PPC64Frame.java	Tue Mar 10 15:40:39 2015

*** 61,87 ****
--- 61,81 ----
    private static final int INTERPRETER_FRAME_MONITOR_BLOCK_BOTTOM_OFFSET = INTERPRETER_FRAME_INITIAL_SP_OFFSET;
  
    // Entry frames
    private static int ENTRY_FRAME_CALL_WRAPPER_OFFSET;
  
    // Native frames
    private static int NATIVE_FRAME_INITIAL_PARAM_OFFSET;
  
  
    static {
      VM.registerVMInitializedObserver(new Observer() {
        public void update(Observable o, Object data) {
          initialize(VM.getVM().getTypeDataBase());
        }
      });
    }
  
    private static synchronized void initialize(TypeDataBase db) {
      int abi_minframe_size = db.lookupIntConstant("frame::abi_minframe_size").intValue();
      int entry_frame_locals_size = db.lookupIntConstant("frame::entry_frame_locals_size").intValue();
      int wordLength = (int) VM.getVM().getAddressSize();
      NATIVE_FRAME_INITIAL_PARAM_OFFSET = -abi_minframe_size/wordLength;
      ENTRY_FRAME_CALL_WRAPPER_OFFSET = -entry_frame_locals_size/wordLength;
    }
  
  
    // an additional field beyond sp and pc:

*** 387,403 ****
--- 381,390 ----
    public Address getUnextendedSP() { return raw_unextendedSP; }
  
    // Return address:
    public Address getSenderPC()     { return getSenderSP().getAddressAt(2 * VM.getVM().getAddressSize()); }
  
    // return address of param, zero origin index.
    // MPJ note:   Appears to be unused.
    public Address getNativeParamAddr(int idx) {
      return null;
      // return addressOfStackSlot(NATIVE_FRAME_INITIAL_PARAM_OFFSET + idx);
    }
  
    public Address getSenderSP()     { return getFP(); }
    public Address addressOfInterpreterFrameLocals() {
      return addressOfStackSlot(INTERPRETER_FRAME_LOCALS_OFFSET);
    }