Memory patching device

Details Memory patching device Memory patching device

1997-12-01

2000-06-13

Yoo, Do Hyun

Electrical computers and digital processing systems: memory

Addressing combined with specific memory configuration or...

711 4, 711 5, 711202, 711203, 39518203, 39518204, 39518206, G06F 1200

Patent

active

060761342

ABSTRACT:
A memory patching device for a computer system is provided which temporarily changes part of an object program. A patch table containing patch information associated with each data to be patched is stored in storage means. Patch information retrieving means retrieves patch information associated with an object program from the patch table when the object program is started. Address calculating means calculates an absolute address in a main memory of data of the object program to be patched, based on a base address in the main memory at which the object program is loaded, and an offset address contained in the retrieved patch information. Patching means patches data stored at the calculated absolute address of the main memory, based on patch data contained in the retrieved patch information. The patch information retrieving means, the address calculating means, and the patching means constitute a patch library which is contained in the object program.

REFERENCES:
patent: 5694566 (1997-12-01), Nagae
patent: 5726641 (1998-03-01), Ide
patent: 5757690 (1998-05-01), McMahon
patent: 5813043 (1998-09-01), Iles

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