From: Andi Kleen <ak@colin2.muc.de>
To: Jakub Jelinek <jakub@redhat.com>
Cc: Andi Kleen <ak@muc.de>,
akpm@osdl.org, linux-kernel@vger.kernel.org, jh@suse.cz
Subject: Re: [PATCH] string fixes for gcc 3.4
Date: 14 Jan 2004 11:02:16 +0100
Date: Wed, 14 Jan 2004 11:02:16 +0100 [thread overview]
Message-ID: <20040114100216.GD19652@colin2.muc.de> (raw)
In-Reply-To: <20040114094305.GQ31589@devserv.devel.redhat.com>
On Wed, Jan 14, 2004 at 04:43:05AM -0500, Jakub Jelinek wrote:
> On Wed, Jan 14, 2004 at 10:15:43AM +0100, Andi Kleen wrote:
> >
> > gcc 3.4 optimizes sprintf(foo,"%s",string) into strcpy. Unfortunately
> > that isn't seen by the inliner and linux/i386 has no out-of-line strcpy
> > so you end up with a linker error.
>
> The other alternative is -ffreestanding. Kernel in its current shape
> certainly is not a hosted environment.
Good point.
> But I agree GCC does a better job with string/memory functions
> than kernel with its inlines.
If anybody wants to try it:
cp include/asm-x86_64/string.h include/asm-i386/string.h
should do approximately the right thing.
-Andi
prev parent reply other threads:[~2004-01-14 10:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-14 9:15 [PATCH] string fixes for gcc 3.4 Andi Kleen
2004-01-14 9:43 ` Jakub Jelinek
2004-01-14 10:02 ` Andi Kleen [this message]
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