|question on a "logical" cmp utility firstname.lastname@example.org (taek) (1998-09-18)|
|Re: question on a "logical" cmp utility email@example.com (Bruce Dawson) (1998-09-22)|
|Re: question on a "logical" cmp utility cliff.click@Eng.Sun.COM (Clifford Click) (1998-09-22)|
|From:||Bruce Dawson <firstname.lastname@example.org>|
|Date:||22 Sep 1998 01:19:17 -0400|
I needed to do this recently when I needed to prove to our QA team
that a bug fix had affected just the specified region. I came up with
a charmingly simple technique. I disassembled the before and after
executables, and compared those. This had several useful effects:
1) All the objects were concatenated by the linker, meaning I only
had to compare one (big) file.
2) Where there were differences I could easily tell whether they
were the correct ones.
I'm sure that a disassembler could be hooked up in series with text
processing programs that would remove any extraneous headers, if
needed. I suspect that such header removal would be easier in the text
domain than in the binary domain.
> I'd like to know whether there is a tool out there which will do a
> "logical" diff between two binary files.
Bruce Dawson, Cygnus Software Author of Fractal eXtreme for Win32
Get your 15 day trial copy of FX at: http://www.cygnus-software.com/
Write me at: email@example.com
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