Preinitialized load module modifying system
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United States of America Patent
Stats
-
Nov 10, 1998
Issued Date -
N/A
app pub date -
Mar 29, 1996
filing date -
Feb 19, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
When a preinitialized load module 2 is modified, modifying command analysis means 401 registers modifying commands in a modifying command table 302, preinitialized load module loading means 402 loads a program portion 201 in a main memory 3, modifying command processing means 403 modifies a program image 301 according to the modifying command, preinitialized load module unloading means 404 reflects the image after modification to the program portion 201 and modifying command table unloading means 405 reflects the content of the modifying command table 302 to a modification history record portion 202. When the image in the modified portion is restored to the image before modification, modification restoring command analysis means 407 registers a modification restoring command in the modification restoring command table 303, modification history acquiring means 408 acquires the modifying command corresponding to the modification restoring command from the modification history record portion 202 and modification restoring means 409 restores the image before modification from the image in the portion indicated by the modifying command.
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