Nondestructive patching mechanism
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United States of America Patent
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Jul 19, 2011
Grant Date -
N/A
app pub date -
May 21, 2003
filing date -
May 21, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
Techniques and mechanisms are provided for patching software, such as software for implementing parameterizable processor cores and peripherals on a programmable chip. Software components constructed using various shared modules can be updated without affecting other components using the same shared modules. In one example, a software component includes a manifest for identifying the implementations that should be associated with the various modules. When a patched implementation is provided for a particular module, the component manifest is changed to associate the patched implementation with the component. The pre-patch implementation is preserved so that other components using the pre-patch implementation may be kept unchanged.
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