Dynamically inserting a function into an application executable at runtime
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United States of America Patent
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Feb 26, 2002
Grant Date -
N/A
app pub date -
Aug 31, 1998
filing date -
Aug 31, 1998
priority date (Note) -
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Abstract
A technique is presented for dynamically inserting a function into an existing application executable of an object-oriented system at runtime of the executable and without requiring recompiling of the code. This is accomplished by modifying configuration settings of the executable at runtime to add a setting to specify the function for at least one class of the executable. The modified configuration settings are then used when running the executable and when a class is encountered for which the function is active, a redirection stub is dynamically inserted to implement the function for the methods of that class. In one embodiment, the function is a trace function and the redirection stub implements an entry trace and an exit trace about each target method of a class for which the trace function is active. Various CORBA implementations of the technique are possible.
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