public void LoadLibrary(Thread thread, string filename)
{
if (mono_language == null)
throw new SymbolTableException (
"Cannot load .NET assembly `{0}' while " +
"debugging an unmanaged application.",
filename);
if (!mono_language.TryFindImage (thread, filename))
throw new SymbolTableException ("Could not find any .NET assembly `{0}'.", filename);
}