--- old/agent/src/share/classes/sun/jvm/hotspot/runtime/ppc64/PPC64Frame.java	2015-03-10 15:40:40.072180422 -0700
+++ new/agent/src/share/classes/sun/jvm/hotspot/runtime/ppc64/PPC64Frame.java	2015-03-10 15:40:39.916180424 -0700
@@ -63,10 +63,6 @@
   // 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) {
@@ -76,10 +72,8 @@
   }
 
   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;
   }
 
@@ -389,13 +383,6 @@
   // 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);