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From: Florian Weimer <fweimer@redhat.com>
To: "H.J. Lu via Libc-alpha" <libc-alpha@sourceware.org>
Subject: Re: [PATCH] x32: Add <fixup-asm-unistd.h> and regenerate arch-syscall.h
Date: Wed, 26 Aug 2020 11:35:14 +0200	[thread overview]
Message-ID: <871rjt4unh.fsf@oldenburg2.str.redhat.com> (raw)
In-Reply-To: <CAMe9rOry6UZrBn4crSf2muPdA4TTgbBOrAwgnSsfZeMyeLNppA@mail.gmail.com> (H. J. Lu via Libc-alpha's message of "Tue, 25 Aug 2020 05:51:29 -0700")

* H. J. Lu via Libc-alpha:

> diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/Makefile b/sysdeps/unix/sysv/linux/x86_64/x32/Makefile
> index 16b768d8ba..2cd35c120b 100644
> --- a/sysdeps/unix/sysv/linux/x86_64/x32/Makefile
> +++ b/sysdeps/unix/sysv/linux/x86_64/x32/Makefile
> @@ -3,6 +3,8 @@ default-abi := x32
>  
>  ifeq ($(subdir),misc)
>  sysdep_routines += arch_prctl
> +
> +tests-internal += tst-set_thread_area
>  endif

I do not think the test is valuable.  I just added it to show that
things do actually compile with older Linux headers because you didn't
believe me. 8-)

> diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/fixup-asm-unistd.h b/sysdeps/unix/sysv/linux/x86_64/x32/fixup-asm-unistd.h
> new file mode 100644
> index 0000000000..01d1f448ca
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/x86_64/x32/fixup-asm-unistd.h

> +/* X32 uses the same 64-bit syscall interface for set_thread_area.   */
> +#ifndef __NR_set_thread_area
> +# define __NR_set_thread_area 1073742029
> +#endif

I think the comment should reference the Linux version in which the
missing system call was fixed.

Thanks,
Florian


  reply	other threads:[~2020-08-26  9:35 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-15 21:31 [PATCH] x32: Add <asm/unistd_x32.h> " H.J. Lu
2020-08-24 11:17 ` Florian Weimer
2020-08-24 12:42   ` H.J. Lu
2020-08-24 13:22     ` Florian Weimer
2020-08-24 13:56       ` H.J. Lu
2020-08-24 17:17         ` Florian Weimer
2020-08-24 18:54           ` H.J. Lu
2020-08-24 19:10             ` Florian Weimer
2020-08-24 19:29               ` H.J. Lu
2020-08-25 10:50                 ` Florian Weimer
2020-08-25 12:51                   ` [PATCH] x32: Add <fixup-asm-unistd.h> " H.J. Lu
2020-08-26  9:35                     ` Florian Weimer [this message]
2020-08-27 13:36                       ` H.J. Lu
2020-08-31 12:56                         ` Florian Weimer

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