Efficient processing of memory accesses to virtual hardware using runtime code patching
US7657695B1 · kind B1 · utility
8Cited by
1References
15Claims
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Key dates
| Filing date | May 30, 2007 |
| Grant date | Feb 2, 2010 |
| Priority date | — |
| Expiry date | Aug 25, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F12/08
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods for efficient processing of virtual hardware memory accesses to using runtime code patching. Virtual hardware memory accesses are processed by handling a program's OS-trapped memory exception and performing runtime patching on the program's code to bypass the OS-trapped memory exception mechanism. Program runtime patching comprises modifying function addresses in a program's function address table to redirect function calls to virtualization functions for processing virtual hardware memory accesses without triggering OS-trapped memory exceptions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.