nativeTOC = symbolAddress.loadAddress(Offset.fromInt(BYTES_IN_ADDRESS));
nativeTOC = symbolAddress.loadAddress(Offset.fromIntSignExtend(BYTES_IN_ADDRESS));
  public synchronized void registerNativeSymbol(Address symbolAddress) {    //-#if RVM_WITH_POWEROPEN_ABI    nativeIP  = symbolAddress.loadAddress();    nativeTOC = symbolAddress.loadAddress(Offset.fromInt(BYTES_IN_ADDRESS));    //-#else    nativeIP = symbolAddress;    //-#endif    replaceCompiledMethod(null);  }