Mailing-List: contact cygwin-help AT sourceware DOT cygnus DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-subscribe AT sources DOT redhat DOT com>
List-Archive: <http://sources.redhat.com/ml/cygwin/>
List-Post: <mailto:cygwin AT sources DOT redhat DOT com>
List-Help: <mailto:cygwin-help AT sources DOT redhat DOT com>, <http://sources.redhat.com/ml/#faqs>
Sender: cygwin-owner AT sources DOT redhat DOT com
Delivered-To: mailing list cygwin AT sources DOT redhat DOT com
Date: Sat, 25 Aug 2001 21:32:37 -0400
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: A serious bug of  "ld --enable-auto-import"
Message-ID: <20010825213237.B24302@redhat.com>
Reply-To: cygwin AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
References: <001701c12c70$a8e7b000$a3fc183d AT sugnm1 DOT kt DOT home DOT ne DOT jp> <3B884F43 DOT 8040908 AT ece DOT gatech DOT edu>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
User-Agent: Mutt/1.3.11i
In-Reply-To: <3B884F43.8040908@ece.gatech.edu>; from cwilson@ece.gatech.edu on Sat, Aug 25, 2001 at 09:22:11PM -0400

On Sat, Aug 25, 2001 at 09:22:11PM -0400, Charles Wilson wrote:
>AIDA Shinra wrote:
>
>> I found a bug of ld(included in binutils 20010802-1).
>> Following is a simple test program.
>> 
>
>Confirmed bug.  I dunno where the bug is coming from, or how to fix
>it...yet.
>
>I think the linker is ignoring the '+12' in this asm:
>
>movb $33,_hwstr1+12
>
>ld sees "_hwstr1" in the .o and blindly plunks in the address (via
>__imp__hwstr1 and the auto-import magic) *without* adding the 12.  I'll
>dig into this -- unless Paul beats me to it. Paul?  Paauulll?

I forwarded this bug to binutils.

Dunno if Paul will see it there or not but I thought it was more likely
the binutils developers might be able to track this down.

As soon as there is a patch forthcoming, I'll make a new release of binutils.
This seems like a pretty serious bug.

cgf

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Bug reporting:         http://cygwin.com/bugs.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/