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Date: Wed, 03 Feb 2010 18:59:00 -0000
Message-ID: <6dc9ffc81002031059y428b0103q50409ce5745f7cd9@mail.gmail.com>
Subject: Re: RFC: Support target specific qSupported
From: "H.J. Lu" <hjl.tools@gmail.com>
To: "H.J. Lu" <hjl.tools@gmail.com>, GDB <gdb-patches@sourceware.org>
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On Wed, Feb 3, 2010 at 7:08 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Wed, Feb 3, 2010 at 6:46 AM, Daniel Jacobowitz <dan@codesourcery.com> =
wrote:
>> On Wed, Feb 03, 2010 at 06:34:14AM -0800, H.J. Lu wrote:
>>> We have our own remote gdb stub, which needs to talk to both old gdb,
>>> which only understands SSE g/G packet, and new gdb, which understands
>>> AVX g/G packet. Does the target description support negotiation so
>>> that old gdb and new remote gdb stub can use SSE g/G packet?
>>
>> The goal of target descriptions is to not need negotiation.
>> Everything is controlled by the target. =A0But with older GDBs, because
>> x86 did not get target-described register support right away, there's
>> a problem.
>
> It is not a trivial to implement target-described register support
> for x86. But I think it is a good thing to do.
>

I am working x86 target descriptions. MMX is alias of ST. How do
I do it?

Thanks.


--=20
H.J.