int offset = VM_Entrypoints.vpStatusField.getOffset();
Offset offset = VM_Entrypoints.vpStatusField.getOffset();
  public boolean lockInCIfInC () {    int oldState;    int offset = VM_Entrypoints.vpStatusField.getOffset();    do {      oldState = VM_Magic.prepareInt(this, offset);      if (VM.VerifyAssertions) VM._assert(oldState != BLOCKED_IN_NATIVE) ;      if (oldState != IN_NATIVE) {        if (VM.VerifyAssertions) VM._assert(oldState==IN_JAVA);        return false;      }    } while (!(VM_Magic.attemptInt(this, offset, oldState, BLOCKED_IN_NATIVE)));    return true;  }