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From: "Krzysztof Duleba" <krzysan AT skrzynka DOT pl>
Subject: Re: Assembler
Date: Wed, 18 Feb 2004 19:53:02 +0100
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Brian Dessent wrote:
>
>> A translator that changes int 0x80 to function calls? It doesn't seem too
>> difficult, but I probably miss something.
>
> So write a perl script.
>  The list of syscalls is defined in the Linux
> kernel in unistd.h:
>
<http://linux.bkbits.net:8080/linux-2.4/anno/include/asm-i386/unistd DOT h AT 1 DOT 8>
>
> You may also want to read these pages:
> <http://www.lxhp.in-berlin.de/lhpsyscal.html>

Thanks. I'll check it up as soon as I have some spare time.

> > The way I think is: if in Linux it is possible to translate function
calls
> > to int 0x80, one could build a funcion call -> int 0x80 dictionary. If
the
> > dictionary is complete (or at least big enough), having a int 0x80-like
> > system call one can look up the corresponding funcion call.
>
> I don't know what you're trying to do here but it sounds like it's not
> going to work.  If you're trying to compile code written in assember
> then you should have the source with symbolic calls and not raw
> syscalls,
> otherwise the person writing the code was an idiot.

Agree, at least to some extend.

>  If you're
> trying to decompile and port some random linux binary to run under
> Cygwin, then I must conclude that you're nuts.

No. But the idea sound great anyway :-)

Regards
Krzysztof Duleba



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