From: Florian Weimer <fw@deneb.enyo.de>
To: x32-abi@googlegroups.com
Cc: "H.J. Lu" <hjl.tools@gmail.com>,
GCC Development <gcc@gcc.gnu.org>,
GNU C Library <libc-alpha@sourceware.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: X32 psABI status
Date: Sun, 13 Feb 2011 09:48:03 +0100 [thread overview]
Message-ID: <87r5bcnwvw.fsf@mid.deneb.enyo.de> (raw)
In-Reply-To: <4D5711E0.7020306@zytor.com> (H. Peter Anvin's message of "Sat, 12 Feb 2011 15:04:00 -0800")
* H. Peter Anvin:
> On 02/12/2011 01:10 PM, Florian Weimer wrote:
>> Why is the ia32 compatiblity kernel interface used?
>
> Because there is no way in hell we're designing in a second
> compatibility ABI in the kernel (and it has to be a compatibility ABI,
> because of the pointer size difference.)
Actually, I'm wondering if you can do the translation in user space.
There already are 32-on-64 implementations in existence, without
kernel changes (recent Hotspot, LuaJIT, and probably some more).
next prev parent reply other threads:[~2011-02-13 8:48 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-12 19:41 X32 psABI status H.J. Lu
2011-02-12 21:10 ` Florian Weimer
2011-02-12 21:29 ` H.J. Lu
2011-02-12 23:04 ` H. Peter Anvin
2011-02-13 3:02 ` Andrew Pinski
2011-02-13 8:48 ` Florian Weimer [this message]
2011-02-13 13:45 ` H.J. Lu
2011-02-13 15:07 ` Florian Weimer
2011-02-13 15:13 ` H.J. Lu
2011-02-13 15:21 ` Florian Weimer
2011-02-13 15:37 ` H.J. Lu
2011-02-13 16:35 ` Petr Baudis
2011-02-13 16:48 ` H.J. Lu
2011-02-13 17:37 ` Joseph S. Myers
2011-02-13 15:43 ` Maciej W. Rozycki
2011-02-13 15:57 ` H.J. Lu
2011-02-13 20:10 ` Arnd Bergmann
2011-02-13 21:10 ` H.J. Lu
2011-02-13 21:16 ` H. Peter Anvin
2011-02-13 21:28 ` H.J. Lu
2011-02-13 22:03 ` H. Peter Anvin
2011-02-13 22:12 ` H.J. Lu
2011-02-13 21:33 ` Alan Cox
2011-02-14 1:52 ` H. Peter Anvin
2011-02-13 22:27 ` H. Peter Anvin
2011-02-13 22:28 ` Arnd Bergmann
2011-02-13 22:46 ` H. Peter Anvin
2011-02-13 22:57 ` Arnd Bergmann
2011-02-13 23:03 ` H.J. Lu
2011-02-13 23:39 ` Alan Cox
2011-02-13 23:50 ` H.J. Lu
2011-02-14 1:59 ` H. Peter Anvin
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