| CPC G06F 12/1441 (2013.01) [G06F 12/145 (2013.01); G06F 2212/1052 (2013.01)] | 26 Claims |
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1. A method of protecting a program from making out of bounds memory references, the method comprising:
determining whether an instruction makes out of bound references where the instruction that loads data from or stores data to a buffer refers to addresses that are outside the bounds of the buffer; and
responsive to the determining that the instruction refers to addresses that are partially out of bounds, changing an execution of the load or the store comprising modifying a length of data specified in the instruction buffer by mapping bound references accessed via a pointer register;
wherein the pointer register comprises at least two fields and an extra copy of an index value in an address is stored in the pointer register; and
wherein the at least two fields comprises at least one field for the extra copy of the index value.
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