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Date: Thu, 03 Aug 2006 11:34:07 -0700
From: Maxim Sobolev <sobomax@FreeBSD.org>
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To: David Edelsohn <dje@watson.ibm.com>
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Cc: freebsd-ppc@FreeBSD.org
Subject: Re: Unaligned 64-bits access on FreeBSD/powerpc
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David Edelsohn wrote:
>>>>>> Maxim Sobolev writes:
> 
> Maxim> I came over a problem that unaligned 64-bits access to a memory (via 
> Maxim> uint8_t or long long pointer) causes SIGBUS. Is it expected behavior or not?
> 
> 	The kernel should catch and fixup any unaligned accesses that the
> hardware does not allow.

Well, actually *nix has a long history of just killing the program with 
SIGBUS in such case.

I am just wondering if it's really expected behavior on FreeBSD/powerpc 
or not.

-Maxim