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Date:      Mon, 3 May 2004 18:49:19 -0700
From:      Kris Kennaway <kris@obsecurity.org>
To:        Deng XueFeng <dsnofe@hotmail.com>
Cc:        hackers <freebsd-hackers@freebsd.org>
Subject:   Re: Is this LOST??
Message-ID:  <20040504014919.GA57723@xor.obsecurity.org>
In-Reply-To: <20040504090033.B046.DSNOFE@hotmail.com>
References:  <20040502132115.C583.DSNOFE@hotmail.com> <200405031322.37241.jhb@FreeBSD.org> <20040504090033.B046.DSNOFE@hotmail.com>

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On Tue, May 04, 2004 at 09:04:53AM +0800, Deng XueFeng wrote:
> > On Sunday 02 May 2004 01:26 am, Deng XueFeng wrote:
> > > I found the htonl implemention in libc for i386 is not sync with the
> > > kern.
> > >
> > > sys use bswap for swaping the int. but libc still use xchg.
> > > IS THIS LOST?
> >=20
> > It's because libc still supports 80386 which doesn't have bswap (introd=
uced on=20
> > the 486 IIRC).  The kernel only supports 486+ unless you explicitly bui=
ld an=20
> > 80386 kernel, which won't use bswap for htonl().
> Since 5-current kernel do not support 80386.
> why keep libc(5-current) support 80386?

5-current does support 80386, just not in the default GENERIC kernel.

Kris

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