Consistency checking of source instruction to execute previously translated instructions between copy made upon occurrence of write operation to memory and current version
US8438548B2 · kind B2 · utility
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57References
20Claims
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Key dates
| Filing date | Feb 4, 2011 |
| Grant date | May 7, 2013 |
| Priority date | — |
| Expiry date | Feb 4, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/3812
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.