public static VM_Address getTIB(JDPServiceInterface jdpService, VM_Address ptr) {
public static VM_Address getTIB(JDPServiceInterface jdpService, VM_Address ptr) throws VM_PragmaInterruptible {
  public static void gcProcessTIB(VM_Address ref) {    VM.assert(NOT_REACHED);  }  /**   * Get a reference to the TIB for an object.   *   * @param jdpService   * @param address address of the object   */  public static VM_Address getTIB(JDPServiceInterface jdpService, VM_Address ptr) {    return VM_Address.fromInt(jdpService.readMemory(ptr.add(TIB_OFFSET).toInt()));  }