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Date: Mon, 14 May 2012 17:44:00 -0000
Message-ID: <CAMe9rOoo2RWkuRvjsQ=J8x=Vs6nCvWUA4GiOF71HV=bEuYAV8Q@mail.gmail.com>
Subject: Re: [x86-64 psABI] RFC: Extend x86-64 psABI to support x32
From: "H.J. Lu" <hjl.tools@gmail.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: x32-abi@googlegroups.com, discuss@x86-64.org, 	GCC Development <gcc@gcc.gnu.org>, Binutils <binutils@sourceware.org>, 	GNU C Library <libc-alpha@sourceware.org>, GDB <gdb@sourceware.org>
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On Mon, May 14, 2012 at 10:34 AM, H. Peter Anvin <hpa@zytor.com> wrote:
> On 05/14/2012 10:31 AM, H.J. Lu wrote:
>> Hi,
>>
>> Support for the x32 psABI:
>>
>> http://sites.google.com/site/x32abi/
>>
>> is added in Linux kernel 3.4-rc1. =A0X32 uses the ILP32 model for x86-64
>> instruction set with size of long and pointers =3D=3D 4 bytes. =A0X32 is
>> already supported in GCC 4.7.0 and binutils 2.22. =A0I am now working
>> to integrate x32 support into GLIBC 2.16 and GDB 7.5 =A0 Here is a
>> patch to extend x86-64 psABI for x32. =A0Any comments?
>>
>
> As a minor nitpick, I have always used x32 with a lower case x. =A0The
> capital X32 looks odd to me.
>

I used X32 together with LP64.  I can use ILP32 instead of X32 when
LP64 is mentioned at the same time.

--=20
H.J.