if (mappedObj.getType().getName().equals("VM_Atom") &&
if (mappedObj.getType().getName().equals("com.ibm.JikesRVM.VM_Atom") &&
  void X_invokevirtual(Object ref, VM_Method mth) {    mapVM mappedObj = (mapVM) ref;    String mthName = mth.getName().toString();    if (traceExtension)           System.out.println("X_invokevirtual: " + mthName + " on " + mappedObj);    if (mappedObj.getType().getName().equals("VM_Atom") && 	mthName.equals("getBytes"))           debug();  }