public void setupIterator(VM_CompiledMethod compiledMethod, int instructionOffset, Address fp) {
public void setupIterator(VM_CompiledMethod compiledMethod, Offset instructionOffset, Address fp) {
  public void setupIterator(VM_CompiledMethod compiledMethod, int instructionOffset, Address fp) {    currentMethod = (VM_NormalMethod)compiledMethod.getMethod();    // setup superclass    //    framePtr = fp;          // setup stackframe mapping    //    maps      = ((VM_QuickCompiledMethod)compiledMethod).referenceMaps;    mapId     = maps.locateGCPoint(instructionOffset, currentMethod);    mapIndex = VM_QuickReferenceMaps.STARTINDEX;    if (mapId < 0) {      // lock the jsr lock to serialize jsr processing      VM_QuickReferenceMaps.jsrLock.lock();      maps.setupJSRSubroutineMap( framePtr, mapId, registerLocations, compiledMethod);    }    // setup dynamic bridge mapping    //    bridgeTarget                   = null;    bridgeParameterTypes           = null;    bridgeParameterMappingRequired = false;    bridgeRegistersLocationUpdated = false;    bridgeParameterIndex           = 0;    bridgeRegisterIndex            = 0;    bridgeRegisterLocation         = Address.zero();    if (currentMethod.getDeclaringClass().isDynamicBridge()) {      if (VM.VerifyAssertions) VM._assert(NOT_REACHED);        //       fp                       = VM_Magic.getCallerFramePointer(fp);//       Address        ip                       = VM_Magic.getNextInstructionAddress(fp);//       int               callingCompiledMethodId  = VM_Magic.getCompiledMethodID(fp);//       VM_CompiledMethod callingCompiledMethod    = VM_CompiledMethods.getCompiledMethod(callingCompiledMethodId);//       int               callingInstructionOffset = callingCompiledMethod.getInstructionOffset(ip);//       callingCompiledMethod.getDynamicLink(dynamicLink, callingInstructionOffset);//       bridgeTarget                = dynamicLink.methodRef().getResolvedMember();//       bridgeParameterInitialIndex = dynamicLink.isInvokedWithImplicitThisParameter() ? -1 : 0;//       bridgeParameterTypes        = bridgeTarget.getParameterTypes();    }            reset();  }