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Date: Wed, 2 Jan 2002 17:16:05 -0700
From: Tom Rini <trini@kernel.crashing.org>
To: Richard Henderson <rth@redhat.com>, jtv <jtv@xs4all.nl>,
        Momchil Velikov <velco@fadata.bg>, linux-kernel@vger.kernel.org,
        gcc@gcc.gnu.org, linuxppc-dev@lists.linuxppc.org,
        Franz Sirl <Franz.Sirl-kernel@lauterbach.com>,
        Paul Mackerras <paulus@samba.org>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Corey Minyard <minyard@acm.org>
Subject: Re: [PATCH] C undefined behavior fix
Message-ID: <20020103001605.GS1803@cpe-24-221-152-185.az.sprintbbd.net>
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On Wed, Jan 02, 2002 at 04:07:39PM -0800, Richard Henderson wrote:
> On Wed, Jan 02, 2002 at 05:01:18PM -0700, Tom Rini wrote:
> > Yes, but doesn't -ffreestanding imply that gcc _can't_ assume this is
> > the standard library...
> 
> Ignore strcpy.  Yes, that's what visibly causing a failure here,
> but the bug is in the funny pointer arithmetic.  Leave that in
> there and the compiler _will_ bite your ass sooner or later.

Er, which part of the 'funny pointer arithmetic' ?  I take it you aren't
a fan of the 'change to
memcpy(namep,RELOC("linux,phandle"),sizeof("linux,phandle"));' fix.
We need to do funny things here, and thus need a way to tell gcc to just
do what we're saying.

-- 
Tom Rini (TR1265)
http://gate.crashing.org/~trini/
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