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Re: [PATCH] Fix Linux/i386 register set size
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Mark Kettenis <mark dot kettenis at xs4all dot nl>
- Cc: gdb-patches at sourceware dot org
- Date: Tue, 20 Apr 2010 14:45:19 -0700
- Subject: Re: [PATCH] Fix Linux/i386 register set size
- References: <201004201942.o3KJgtMB025587@glazunov.sibelius.xs4all.nl>
On Tue, Apr 20, 2010 at 12:42 PM, Mark Kettenis <mark.kettenis@xs4all.nl> wrote:
> Should be 68. ?Confusion is probably caused by the fact that the note
> size is 144, and that the amd64 register set is also 144. ?The fact
> that the GDB gcore produces wrong core files in the 32x64 case doesn't
> help either.
>
> Committed.
>
>
> 2010-04-20 ?Mark Kettenis ?<kettenis@gnu.org>
>
> ? ? ? ?* i386-linux-tdep.c (i386_linux_regset_sections): Size of the
> ? ? ? ?general-purpose register set should be 68 instead of 144.
> ? ? ? ?(i386_linux_sse_regset_sections): Likewise.
> ? ? ? ?(i386_linux_avx_regset_sections): Likewise.
>
>
On Linux, ".reg" section is a special case. Its size is ignored.
See linux_nat_do_thread_registers for details. You can set
it to anything and it doesn't make a difference.
--
H.J.