Subject: Re: arm, net and '__attribute__ ((__packed__))'
To: Richard Earnshaw <Richard.Earnshaw@buzzard.freeserve.co.uk>
From: Sami Kantoluoto <sami.kantoluoto@embedtronics.fi>
List: tech-embed
Date: 02/05/2005 16:41:17
On Sat, Feb 05, 2005 at 02:04:14PM +0000, Richard Earnshaw wrote:
> On Sat, 05 Feb 2005 15:48:39 +0200, Sami Kantoluoto wrote:

[ snip ]

> > 	} __attribute__((__packed__)) llc_un;
> > } __attribute__((__packed__));
> > 
> > 
> > I can't believe that NetBSD has any problems with these so maybe I'm missing
> > some compiler options or has NetBSD's gcc been patched or something else?
> >
>
> NetBSD uses gcc configured with structure-size-boundary set to 8, rather 
> than 32 (the default for a standard arm-elf compiler).  Which is why you 
> are seeing this problem.  Try building *all* your code with 
> -mstructure-size-boundary=8.

Yes, that helped. Thanks.

> But yes, this is probably a bug in the header file.  Could you file a PR?

Sure.


     -sk