From: "H. Peter Anvin" <hpa@zytor.com>
To: x32-abi@googlegroups.com
Cc: "H.J. Lu" <hjl.tools@gmail.com>, Arnd Bergmann <arnd@arndb.de>,
GCC Development <gcc@gcc.gnu.org>,
GNU C Library <libc-alpha@sourceware.org>,
LKML <linux-kernel@vger.kernel.org>,
"H. Peter Anvin" <hpa@linux.intel.com>
Subject: Re: X32 psABI status
Date: Sun, 13 Feb 2011 14:27:12 -0800 [thread overview]
Message-ID: <4D585AC0.3060000@zytor.com> (raw)
In-Reply-To: <4D584A49.80306@zytor.com>
On 02/13/2011 01:16 PM, H. Peter Anvin wrote:
>
> The actual idea is to use the i386 compat ABI for memory layout, but
> with a 64-bit register convention. That means that system calls that
> don't make references to memory structures can simply use the 64-bit
> system calls, otherwise we're planning to reuse the i386 compat system
> calls, but invoke them via the syscall instruction (which requires a new
> system call table) and to pass 64-bit arguments in single registers.
>
Oh, and as to why not copy the i386 system call list straight off... we
don't really want to add a new ABI with crap like sys_socketcall.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2011-02-13 22:28 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
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 [this message]
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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