| 摘要 |
PROBLEM TO BE SOLVED: To enable debugging without preparing any dedicated debugging object device driver and changing any internal code by monitoring a request packet to be dispatched from an operating system(OS) to the debugging object device driver and controlling the output of input/output data. SOLUTION: When a computer is activated, an OS 4 and a debugging object device driver 6 are integrated onto an internal RAM 2. Next, a device driver 5 for debugging is integrated onto the RAM 2 and during that integrating processing, processing is performed for hooking the entry routine of the debugging object device driver 6. Then, this method uses a device driver 5 for debugging provided with a method for controlling the output of output data by monitoring the request packet to be dispatched from the OS 4 to the debugging object device driver 6.
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