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Migration apparatus which convert application program of mainframe system into application program of open system and method for thereof

An open system and host system technology, applied in the direction of program code conversion, program control device, program code adaptation, etc., can solve problems such as different code systems, and achieve the effect of efficient reuse

Inactive Publication Date: 2009-10-07
SAMSUNG SDS CO LTD
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  • Abstract
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Problems solved by technology

[0007] But according to such a reintegration solution, during the said conversion operation of the application program, many errors occurred due to the difference in the code structure for the host system and the development system

Method used

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  • Migration apparatus which convert application program of mainframe system into application program of open system and method for thereof
  • Migration apparatus which convert application program of mainframe system into application program of open system and method for thereof

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Embodiment Construction

[0023] Hereinafter, embodiments of the present invention will be described in detail. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various forms. Therefore, to complete this disclosure and provide means for those skilled in the art, the following examples are described in turn.

[0024] figure 1 It is a structural block diagram schematically illustrating a conversion device for converting an application program of a host system into an application program suitable for an open system according to an embodiment of the present invention.

[0025] see figure 1 , the conversion device 200 for converting the special work application program of the host system 100 into a special work application program suitable for the open system 300 mainly includes: a resource acquisition module 210, a code conversion module 220, a compilation and link processing module 230, and an executable file A module 240 is generated.

[0026...

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Abstract

The invention provides a migration apparatus and method for converting an application program of a mainframe system into an appropriate application program for an open system. The migration apparatus includes: a source obtaining module connected with the mainframe system, and decoding and obtaining sources of work-specific application programs made of Extended Binary Coded Decimal Interchange Code(EBCDIC) in binary form; a code conversion module converting the respective sources of the work-specific application programs obtained by the source obtaining module into American Standard Code for Information Interchange (ASCII) code, hexadecimal characters being converted to correspond to ASCII code using a previously set hexadecimal code conversion table; a compiling and link processing module compiling the sources of the work-specific application programs converted by the code conversion module and then bundling the compiled sources of the work-specific application programs with corresponding work application programs; and an executable file generation module generating executable files in binary form from the work-specific application programs processed by the compiling and link processing module to execute them in an environment of the open system. The migration apparatus and method efficiently reuse a conventionally used application program via the rehosting process of converting a mainframe system into an open system.

Description

technical field [0001] The present invention relates to a conversion device and method for reusing and converting an application program used in a host system into an application program suitable for an open system. Background technique [0002] Typically, in large corporations and government agencies, mainframe systems are used to process data. [0003] The term "mainframe system" is an industry term that refers to a large computer manufactured by a large company such as IBM Corporation. Mainframe systems are mainly used to perform calculations required for business activities of large corporations, such as large companies and financial institutions, and are configured in a centralized rather than decentralized calculation method. [0004] Such host systems are costly and rapidly increasing each year. For this reason, recently mainframe system environments are being replaced by open system environments such as UNIX or Linux. The UNIX or Linux is designed to enable linkin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/00
CPCG06F8/76G06F8/30G06F8/41G06F9/445
Inventor 李江镐金容台全相雄黄润喜李敏浩尹喜相
Owner SAMSUNG SDS CO LTD
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