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Patch loading method and device

A patch and image file technology, applied in the field of communications, can solve the problem of high difficulty in patch code management and maintenance, and achieve the effect of no impact on system business and reduced difficulty

Active Publication Date: 2014-04-23
XFUSION DIGITAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a patch loading method and device to solve the problem of high difficulty in patch code management and maintenance in existing patch loading schemes

Method used

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Embodiment Construction

[0047] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0048] figure 1 It is a flow chart of Embodiment 1 of the patch loading method of the present invention. An embodiment of the present invention provides a patch loading method, which can be executed by a patch loading device, and the device can be integrated into a communication device, where the communication device can be a personal computer...

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Abstract

Embodiments of the invention provide a patch loading method and device. The method includes: compiling patch codes, which are instructions in units of patch functions, into a relocatable dynamic link library; analyzing a patch image file including the patch codes, acquiring relocation function information in the patch image file, and establishing link relation between the patch image file and a target process at which an application runs after the patch codes are loaded; according to the link connection between the patch image file and the target process, modifying an original function entry instruction, and jumping to execute patch functions. The patch modes are compiled into the dynamic link library, so that the same patch code is universal to applications of various versions.

Description

technical field [0001] Embodiments of the present invention relate to communication technologies, and in particular to a patch loading method and device. Background technique [0002] An application program is a computer program developed to run on an operating system in order to complete one or several specific tasks. Each application runs in an independent process and has its own independent address space. However, the application program may have certain defects during the application process. When subsequent maintenance is required, a program to fix the defects is written as a patch code, and the patch code is loaded when the process runs the application program to ensure the smooth operation of the process. [0003] The current patch loading scheme usually first compiles and links the patch code offline into the target file; then based on the absolute address of the symbol of the software to be repaired, the target file is made into a replacement correspondence between...

Claims

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Application Information

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IPC IPC(8): G06F9/445
Inventor 刘中柱
Owner XFUSION DIGITAL TECH CO LTD
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