Subject: Re: ARM ELF TODO list
To: Jason R Thorpe <email@example.com>
From: Ben Harris <firstname.lastname@example.org>
Date: 12/20/2001 12:03:19
On Wed, 19 Dec 2001, Jason R Thorpe wrote:
> On Thu, Dec 20, 2001 at 12:54:46AM +0000, Richard Earnshaw wrote:
> > I've set the compiler up to do this as well. We need to write kernel code
> > to fault these sequences on chips that can do so.
> I can take a look at this -- the question is:
> * Do we want the kernel to optionally provide fixups for
> unaligned loads on such systems?
If we did, would we implement the ARM semantics (which ARM hackers would
be expecting) or the VAX semantics (which naive C programmers would be
> * Do we want the kernel to be verbose about the unaligned
I don't see why it should do any more than send a SIGBUS. The core dump
will have all the necessary information in it, and we already have
kern.logsigexit for controlling whether SIGBUS gets logged.
Ben Harris <email@example.com>
Portmaster, NetBSD/arm26 <URL:http://www.netbsd.org/Ports/arm26/>