return -1;
return Offset.max();
  public int getFullIndex() throws LogicallyUninterruptiblePragma  {    if      (buffer_code == ONE) { return index_2; }     else if (buffer_code == TWO) { return index_1; }     else {       VM.sysWrite("***VM_HPM.getFullIndex() buffer_code = ",buffer_code,", but must be 1 or 2!***");      VM.shutdown(VM.EXIT_STATUS_HPM_TROUBLE);    }    return -1;   }