发明公开
EP2336937A1 Method for address space layout randomization in execute-in-place code
有权
Verfahren zur Layout-Randomisierung vonAdressräumenbei einem XIP-Code
- 专利标题： Method for address space layout randomization in execute-in-place code
- 专利标题（中）： Verfahren zur Layout-Randomisierung vonAdressräumenbei einem XIP-Code
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申请号： EP09178750.7申请日： 2009-12-10
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公开(公告)号： EP2336937A1公开(公告)日： 2011-06-22
- 发明人: Whitehouse, Oliver , Winston, Benjamin , McCallum, Michael E
- 申请人： RESEARCH IN MOTION LIMITED
- 申请人地址： 295 Phillip Street Waterloo, Ontario N2L 3W8 CA
- 专利权人： RESEARCH IN MOTION LIMITED
- 当前专利权人： RESEARCH IN MOTION LIMITED
- 当前专利权人地址： 295 Phillip Street Waterloo, Ontario N2L 3W8 CA
- 代理机构： Patel, Binesh
- 主分类号： G06F21/00
- IPC分类号： G06F21/00 ; G06F9/445
摘要：
A method for dynamically (i.e., upon boot) rewriting, in a failure resistant manner, of part of, or the entirety of, the flash memory for a device allows for a changing of location for logical blocks of execute-in-place code. Conveniently, the rewriting results in a randomization, of varying degree, of the address space layout upon each boot up cycle.
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