Checking for instruction invariance to execute previously...

Details Checking for instruction invariance to execute previously... Checking for instruction invariance to execute previously...

2011-03-08

2011-03-08

Kim, Kenneth S (Department: 2111)

Data processing: software development, installation, and managem

Software program development tool

Translation of code

C712S226000, C717S138000, C717S139000

Reexamination Certificate

active

07904891

ABSTRACT:
In one embodiment, after translating a plurality of target instructions from a target memory location into a plurality of host instructions, a write operation to a target memory portion which includes said target memory location is detected. In response to the detecting, a copy of the target instructions is stored in a host memory. In response to an attempt to execute the host instructions, the copy is compared with a plurality of current target instructions presently stored in the target memory location. Further, in response to a mismatch based on the comparison, the host instructions are disabled.

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