Re: Writing a disassembler ?

ArarghMail810@Arargh.com
Sat, 11 Oct 2008 17:32:45 -0500

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From: ArarghMail810@Arargh.com
Newsgroups: comp.compilers
Date: Sat, 11 Oct 2008 17:32:45 -0500
Organization: Ripco Communications Inc.
References: 08-10-011
Keywords: disassemble
Posted-Date: 12 Oct 2008 08:19:28 EDT

On Fri, 10 Oct 2008 16:57:31 +0200, "So and so" <lightfault@gmail.com>
wrote:


>I've set myself a goal to write a disassembler, so far I've managed to
>understand most of Intel's documentation (for now it's only going to
>disassemble x86 code) and I'm about to start writing the basic
>skeleton.


That can be a very non-trivial program. If you intend to limit it to
32-bit flat file types like COFF or ELF, it wouldn't be too bad, as in
those one pretty much knows where the code & where the data is, and
the relocations aren't too bad. If, on the other hand, you intend to
handle the full range fo x86 executable file types, it gets real messy
very quickly.


Just decoding a single instruction is no biggy. I wrote a routine for
that years ago.


> ...


All the rest of your questions are good ones. :-) I don't have the
answers.
--
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