> > If you look at the libffi reference patch I have included, the architecture > > specific changes to use trampfd just involve a single C function call to > > a common code function. No idea what libffi is, but it must surely be simpler to rewrite it to avoid nested function definitions. Or find a book from the 1960s on how to do recursive calls and nested functions in FORTRAN-IV. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)