X-Authentication-Warning: delorie.com: mail set sender to djgpp-bounces using -f
From: Rugxulo <rugxulo AT gmail DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: GAS ".code16" and DJASM quirks ...
Date: Wed, 11 Nov 2009 13:03:03 -0800 (PST)
Organization: http://groups.google.com
Lines: 47
Message-ID: <089759ff-13d5-46d2-832d-b330d3ed3dca@v25g2000yqk.googlegroups.com>
References: <0008cd2e-63c9-43cb-82d4-11aece7c209f AT c3g2000yqd DOT googlegroups DOT com> 
	<hddtp4$g9r$1 AT aioe DOT org>
NNTP-Posting-Host: 65.13.115.246
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
X-Trace: posting.google.com 1257973383 5753 127.0.0.1 (11 Nov 2009 21:03:03 GMT)
X-Complaints-To: groups-abuse AT google DOT com
NNTP-Posting-Date: Wed, 11 Nov 2009 21:03:03 +0000 (UTC)
Complaints-To: groups-abuse AT google DOT com
Injection-Info: v25g2000yqk.googlegroups.com; posting-host=65.13.115.246; 
	posting-account=p5rsXQoAAAB8KPnVlgg9E_vlm2dvVhfO
User-Agent: G2/1.0
X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.5) 
	Gecko/20091102 Firefox/3.5.5 (.NET CLR 3.5.30729),gzip(gfe),gzip(gfe)
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Hi,

On Nov 11, 2:48=A0am, Martin Str|mberg <a DOT  DOT  DOT  AT sister DOT ludd DOT ltu DOT se> wrote:
>
> How do you link? If you use GNU ld you need to mess with linker scripts.
> I've written small .com files using gas and ld. I've also recoded
> FDXMS using gas and ld.
>
> I remember it was hard to get rid of the extra zeroes before the real
> code. (Bug in ld, perhaps?) I think I just skipped .org 0x100 and
> instead used nothing or .org 0 and let ld with the correct script deal
> with it.
>
> If you wait and are lucky I might dig up some of what I've written.

No hurry, esp. since I already have FDXMS. (My only complaint is AT&T,
ugh.)

http://www.ibiblio.org/pub/micro/pc-stuff/freedos/files/dos/fdxms/

Quoting from makefile :

LD      =3D       ld -T link_script --oformat binary -Map $*.map -s


link_script :
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D
SECTIONS
{
  .text  0 : {
    *(.text)
    etext  =3D  . ; _etext =3D .;
  }
  .data : {
    *(.data)
     edata  =3D  . ; _edata =3D .;
  }
  .bss  SIZEOF(.data) + ADDR(.data) :
  {
    *(.bss)
    *(COMMON)
     end =3D . ; _end =3D .;
  }
}
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D