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Re: MMX and floating point insn suport for reversible debugging
- From: Hui Zhu <teawater at gmail dot com>
- To: paawan oza <paawan1982 at yahoo dot com>
- Cc: Thiago Jung Bauermann <bauerman at br dot ibm dot com>, gdb ml <gdb at sourceware dot org>, Pedro Alves <pedro at codesourcery dot com>, Marc Khouzam <marc dot khouzam at ericsson dot com>, Michael Snyder <msnyder at vmware dot com>, Eli Zaretskii <eliz at gnu dot org>, Mark Kettenis <mark dot kettenis at xs4all dot nl>
- Date: Thu, 7 May 2009 10:54:43 +0800
- Subject: Re: MMX and floating point insn suport for reversible debugging
- References: <724851.22620.qm@web36206.mail.mud.yahoo.com>
On Thu, May 7, 2009 at 02:02, paawan oza <paawan1982@yahoo.com> wrote:
>
> Hi Hui,
>
> I have started understanding and working on point-1.
> I have some questions. please let me know my understanding is correct ?
>
> 1) i386-tdep.c is the one which has been done for record-replay. which basically takes care of disassembling insns...
> but I see some code regarding MMX and x87FPU already available.
> may I know exactly, what support is missing ?
>
case 0x0f06:
break;
/* MMX/SSE/SSE2/PNI support */
/* XXX */
default:
Your mean is this part?
And I suggest you can begin with float point insn first. It doesn't
record float point reg change.
Thanks,
Hui