Date: Thu, 14 Jan 1999 16:40:11 -0500
Message-Id: <199901142140.QAA12481@envy.delorie.com>
From: DJ Delorie <dj AT delorie DOT com>
To: djgpp AT delorie DOT com
In-reply-to: <01be4006$72f087a0$368611d8@shawnmain> (malicon@frii.com)
Subject: Re: Raw 32-bit code?
References:  <01be4006$72f087a0$368611d8 AT shawnmain>
Reply-To: djgpp AT delorie DOT com


> Will Gcc in Djgpp environment do a raw 32-bit code, with out calls to DPMI
> and other environment stuff?  Also what flags on the compiler do I need to
> look at to do this?

Sure.  Just don't call any libc functions and your code won't need
DPMI (it won't *run* either).  You'll probably want to invoke the
linker directly (ld ...) with an alternate linker script (ld -T foo
...) to get all the sections where you want them address-wise.

> Another major question I have is what form are the .o files, are
> there any headers or stuff like that on the files?  Documentation
> regarding this is been a little hard to find, either under djgpp or
> under Gcc under linux.

http://www.delorie.com/djgpp/doc/coff/
#include <coff.h>