From: "H.J. Lu" <hjl.tools@gmail.com>
To: Pedro Alves <palves@redhat.com>
Cc: Alan Modra <amodra@gmail.com>, Binutils <binutils@sourceware.org>,
GDB <gdb-patches@sourceware.org>
Subject: Re: Use elfcore_write_linux_prstatus in gdb
Date: Thu, 21 Jan 2016 15:59:00 -0000 [thread overview]
Message-ID: <CAMe9rOqLfR1nxRx61xyEMpNjoGWZRE7LWSEtKii=aW8Nbh_gaQ@mail.gmail.com> (raw)
In-Reply-To: <56A0EA83.3040403@redhat.com>
On Thu, Jan 21, 2016 at 6:26 AM, Pedro Alves <palves@redhat.com> wrote:
> On 01/21/2016 02:17 PM, H.J. Lu wrote:
>> On Thu, Jan 21, 2016 at 6:05 AM, Pedro Alves <palves@redhat.com> wrote:
>>> On 01/21/2016 01:24 PM, H.J. Lu wrote:
>
>>>> Please take a look at bfd/hosts/x86-64linux.h to see how to dump core
>>>> x86-64.
>>>
>>> I don't have x32 setup on my machine. AFAICS, elf_prstatusx32 is exactly
>>> like elf_prstatus32, except it takes a 64-bit regset.
> ...
>
>>>
>>> elfcore_write_linux_prstatus32 should be reached. Other than that,
>>> I have no idea (other than installing the stop gap on x32 too).
>>>
>>
>> x32 has different core types (core layout) from m32 and m64.
>> See bfd/hosts/x86-64linux.h for details.
>
> As I said, "AFAICS, elf_prstatusx32 is exactly like elf_prstatus32,
> except it takes a 64-bit regset." It's probably an issue
> of alignment/padding?
>
>> You need
>> elfcore_write_linux_prstatusx32 or change
>> elfcore_write_linux_prstatus32 to suport x32.
>
> I really can't be working further on this myself right now, sorry.
>
> I've updated the branch to install the stop-gap on x32 as well, which
> really ends up calling the same function we call today.
> Please give it a try.
>
It works.
Thanks.
--
H.J.
next prev parent reply other threads:[~2016-01-21 15:59 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-21 9:29 Alan Modra
2016-01-21 12:25 ` Pedro Alves
2016-01-21 13:11 ` Pedro Alves
2016-01-21 13:24 ` H.J. Lu
2016-01-21 14:05 ` Pedro Alves
2016-01-21 14:17 ` H.J. Lu
2016-01-21 14:26 ` Pedro Alves
2016-01-21 14:33 ` H.J. Lu
2016-01-21 14:44 ` Alan Modra
2016-01-21 15:59 ` H.J. Lu [this message]
2016-01-21 16:02 ` Pedro Alves
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