VM.sysExit(VM.exitStatusUnsupportedInternalOp);
VM.sysExit(VM.EXIT_STATUS_UNSUPPORTED_INTERNAL_OP);
  private static int reserved0(VM_JNIEnvironment env) {    VM.sysWrite("JNI ERROR: reserved function slot not implemented, exiting ...\n");    VM.sysExit(VM.exitStatusUnsupportedInternalOp);    return -1;   }