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Disassembly Cobol Object to recover the source code

 
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lrulff

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Joined: 02 Aug 2007
Posts: 3
Location: Dallas - Texas - USA

PostPosted: Wed Aug 15, 2007 8:41 pm    Post subject: Disassembly Cobol Object to recover the source code
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Hi,

Our end-user lost the source code, and we have only the object.

Is possible disassembly the object and recover the source code again.

Thank you
Luiz
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stodolas

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Joined: 13 Jun 2007
Posts: 632
Location: Wisconsin

PostPosted: Wed Aug 15, 2007 8:51 pm    Post subject:
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Search the forums. This has been discussed very recently .

http://ibmmainframes.com/viewtopic.php?t=22796
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lrulff

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Joined: 02 Aug 2007
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Location: Dallas - Texas - USA

PostPosted: Wed Aug 15, 2007 9:02 pm    Post subject:
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Thanks,

I do not use any tool such as changeman to compile.

The backup process looks like did not get it " Murphy's law ".

Thank you.
Luiz
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CICS Guy

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Joined: 18 Jul 2007
Posts: 2150
Location: At my coffee table

PostPosted: Wed Aug 15, 2007 9:27 pm    Post subject: Re: Disassembly an Cobol Object
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lrulff wrote:
Is possible disassembly the object and recover the source code again.
There are disassemblers, but they only generate rough assembler code.....Getting back to COBOL will require either time or money or both....
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dick scherrer

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Joined: 23 Nov 2006
Posts: 19270
Location: Inside the Matrix

PostPosted: Wed Aug 15, 2007 9:31 pm    Post subject:
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Hello,

Quote:
Our end-user lost the source code, and we have only the object
Do end users maintain source in your environment?

Where was the source stored and how long did it exist before it was lost?

Many systems have a complete dasd backup run periodically and the missing code might be on one of those system backups. If you talk with the storage administrators, they may be able to tell you if such a backup exists. You can tell from the executable when it was compiled and the source existed then. . .
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lrulff

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Joined: 02 Aug 2007
Posts: 3
Location: Dallas - Texas - USA

PostPosted: Wed Aug 15, 2007 9:50 pm    Post subject: Reply to: Disassembly an Cobol Object
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Thanks.

The source was compiled last time in July /2007, but looks like they do not have a backup.

I do not know what frequency the backup process run.

But I'll talk to them again.

Best regards,
Luiz
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