From:	Robert Hoehne <Robert DOT Hoehne AT Mathematik DOT tu-chemnitz DOT de>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Help with COFF & __main
Date:	Tue, 03 Jun 1997 11:20:16 +0200
Organization:	TU Chemnitz-Zwickau
Lines:	31
Message-ID:	<3393E1D0.2E5931C6@Mathematik.tu-chemnitz.de>
References:	<5mt51j$ihf AT hermes DOT acs DOT unt DOT edu>
NNTP-Posting-Host:	pandora.hrz.tu-chemnitz.de
Mime-Version:	1.0
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Matthew Brendan Grantz wrote:
> 
> extract all the functions, and relocate them. All except for one, that
> is: main(). It requires the relocation of a relative symbol called
> __main. This symbol can easily be aquired by including a line in the

The function __main() is in libc.

> 
> extern unsigned __main;

This is probably a bad idea, because __main() has to setup important
things.

> manage to fudge this into functioning. Is it POSSIBLE to execute the
> main() function in a .O file by loading  and relocating it?

Because I do not know exactly what you want to get with
your technique, I cannot help so much. Please decribe a
little bit more, what you want to do. Adn when you speak
abaout a COFF file, is this the output from the linker or
from the assembler?

Robert
-- 
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* Robert Hoehne, Fakultaet fuer Mathematik, TU-Chemnitz-Zwickau *
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* e-Mail:  Robert DOT Hoehne AT Mathematik DOT TU-Chemnitz DOT DE              *
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