What wiggy said. and to spell it out, there's Bank angle protection, Turn compensation, Stall and overspeed protection, Pitch control and stability augmentation, Thrust asymmetry compensation.
http://www.davi.ws/avionics/TheAvion...ook_Cap_11.pdf
The 777 design utilizes envelope protection in all of its functionality rather than envelope limiting. Envelope protection deters pilot inputs from exceeding certain predefined limits but does not prohibit it