X-Authentication-Warning: delorie.com: mail set sender to djgpp-workers-bounces using -f
From: sandmann AT clio DOT rice DOT edu (Charles Sandmann)
Message-Id: <10411201952.AA51993@clio.rice.edu>
Subject: Re: Alignment problem on Windows XP
To: djgpp-workers AT delorie DOT com
Date: Sat, 20 Nov 2004 13:52:08 -0600 (CST)
In-Reply-To: <01c4cef0$Blat.v2.2.2$c9cf5ea0@zahav.net.il> from "Eli Zaretskii" at Nov 20, 2004 01:03:56 PM
X-Mailer: ELM [version 2.5 PL2]
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
X-Virus-Scanned: by amavis-20030616-p6 at mail.rice.edu
X-DCC--Metrics: handler10.mail.rice.edu 1066; Body=1 Fuz1=1 Fuz2=1
Reply-To: djgpp-workers AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: djgpp-workers AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk

> Tried that: no cigar.  With ld and gas from Binutils 2.11.2, I still
> get unaligned data with the latest libc.a.  Note that I only used
> libc.a, but didn't replace my crt0.o with the one that comes with the
> latest libc.a -- could that be the reason?

It could be the crt0.o or the djgpp.djl - only way to know where the 
problem is would be to do a map and see where the alignment gets messed
up.

> Also note that these warnings from the compiler:
> 
>   abug.c:14: warning: alignment of `ss1' is greater than maximum object file alignment. Using 4.
> 
> actually mean that you shouldn't expect the variables to be aligned,
> as GCC tells you that it doesn't support more than 4-byte alignment.
> So it's not a harmless warning.

At some point we changed from 2**N notation to N notation as what alignment
meant.  I don't know when that was.