Computer method and apparatus for safe instrumentation of reverse executable program modules
US6470493B1 · kind B1 · utility
14Cited by
9References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1999 |
| Grant date | Oct 22, 2002 |
| Priority date | — |
| Expiry date | Sep 30, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F8/70
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Computer method and apparatus allows instrumentation of program modules while maintaining exception-handling unwinding context. In the case of instrumenting procedure prologues, the invention preserves the calling context. A sanitized copy of the prologue and rewind instructions to reverse the effects of duplicate prologue instructions are employed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.