VM.sysWrite("convertJsrOffsetToBitnum- local0Offset = ", local0Offset);
VM.sysWrite("convertJsrOffsetToBitnum- startLocal0Offset = ", startLocal0Offset);
  private int convertJsrOffsetToBitNum(int offset)   {    if (offset==0) return 1; // initial call return first map bit    int bitnum = ((local0Offset - offset) >>>LOG_BYTES_IN_ADDRESS) + 1; // 1 for being 1 based; no jsr bit    if (VM.TraceStkMaps) {      VM.sysWrite("convertJsrOffsetToBitnum- local0Offset = ", local0Offset);      VM.sysWrite("    Input offset = ", offset );      VM.sysWriteln(  " jsr  bitnum = ", bitnum);    }    return bitnum;  }