This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: [PATCH] x32: Set GLRO(dl_platform) to "x86_64" by default [BZ #22363]

From: Andreas Schwab <schwab at linux-m68k dot org>
To: "H.J. Lu" <hjl dot tools at gmail dot com>
Cc: GNU C Library <libc-alpha at sourceware dot org>
Date: Mon, 30 Oct 2017 17:28:44 +0100
Subject: Re: [PATCH] x32: Set GLRO(dl_platform) to "x86_64" by default [BZ #22363]
Authentication-results: sourceware.org; auth=none
References: <20171029211541.GA6435@gmail.com> <87zi899kuv.fsf@linux-m68k.org> <CAMe9rOrPQYtxft6N5-SyT1YTSu31+hsv2QMJwPSp7S_EeJ+35Q@mail.gmail.com>

On Okt 30 2017, "H.J. Lu" <hjl.tools@gmail.com> wrote:

> On Mon, Oct 30, 2017 at 12:05 AM, Andreas Schwab <schwab@linux-m68k.org> wrote:
>> On Okt 29 2017, "H.J. Lu" <hjl.tools@gmail.com> wrote:
>>
>>> Set dl_platform to "x86_64" for x32 by default since kernel may set it
>>> to "i686".
>>
>> Why does it do that?  Isn't that a kernel bug?
>>
>
> There is
>
> include/asm/elf.h:#define COMPAT_ELF_PLATFORM         ("i686")
>
> It is much simpler to fix it in glibc.

Take a look how this is solved for aarch64 ILP32.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

Follow-Ups:
- Re: [PATCH] x32: Set GLRO(dl_platform) to "x86_64" by default [BZ #22363]
  - From: H.J. Lu

References:
- [PATCH] x32: Set GLRO(dl_platform) to "x86_64" by default [BZ #22363]
  - From: H.J. Lu
- Re: [PATCH] x32: Set GLRO(dl_platform) to "x86_64" by default [BZ #22363]
  - From: Andreas Schwab
- Re: [PATCH] x32: Set GLRO(dl_platform) to "x86_64" by default [BZ #22363]
  - From: H.J. Lu

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]