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Subject: Re: [PATCH] Fix Linux/i386 register set size
From: "H.J. Lu" <hjl.tools@gmail.com>
To: Mark Kettenis <mark.kettenis@xs4all.nl>
Cc: gdb-patches@sourceware.org
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On Tue, Apr 20, 2010 at 12:42 PM, Mark Kettenis <mark.kettenis@xs4all.nl> w=
rote:
> Should be 68. =A0Confusion is probably caused by the fact that the note
> size is 144, and that the amd64 register set is also 144. =A0The fact
> that the GDB gcore produces wrong core files in the 32x64 case doesn't
> help either.
>
> Committed.
>
>
> 2010-04-20 =A0Mark Kettenis =A0<kettenis@gnu.org>
>
> =A0 =A0 =A0 =A0* i386-linux-tdep.c (i386_linux_regset_sections): Size of =
the
> =A0 =A0 =A0 =A0general-purpose register set should be 68 instead of 144.
> =A0 =A0 =A0 =A0(i386_linux_sse_regset_sections): Likewise.
> =A0 =A0 =A0 =A0(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.


--=20
H.J.