Patent ID: 8495734
Filing Date: 2013-07-23
Classification: G06F

Abstract:
1. A method, comprising: executing, by a processor, a program loaded in a program memory, the program including a first instruction for storing a first value in a first address, the storing of the first value in the first address indicating a subsequent jump address instruction; storing the first value in the first address; activating a counter in response to the storing of the first value; executing the jump address instruction; detecting a read address jump in the program memory; activating an error signal in response to detecting the read address jump if the detecting of the read address jump occurs prior to the storing of the first value in the first address; executing, at a destination address of the jump address instruction, an instruction from the program for storing an indication of an access to the destination address; and activating the error signal when the counter arrives at an end of counting if the first value is still stored in the first address.