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Re: MMX and floating point insn suport for reversible debugging
- From: paawan oza <paawan1982 at yahoo dot com>
- To: Hui Zhu <teawater at gmail 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: Sat, 9 May 2009 23:37:20 -0700 (PDT)
- Subject: Re: MMX and floating point insn suport for reversible debugging
Hi Hui,
I think we need to update and add floating point in following structure
for st1 to st7.
enum i386_regnum
{
I386_EAX_REGNUM, /* %eax */
I386_ECX_REGNUM, /* %ecx */
I386_EDX_REGNUM, /* %edx */
I386_EBX_REGNUM, /* %ebx */
I386_ESP_REGNUM, /* %esp */
I386_EBP_REGNUM, /* %ebp */
I386_ESI_REGNUM, /* %esi */
I386_EDI_REGNUM, /* %edi */
I386_EIP_REGNUM, /* %eip */
I386_EFLAGS_REGNUM, /* %eflags */
I386_CS_REGNUM, /* %cs */
I386_SS_REGNUM, /* %ss */
I386_DS_REGNUM, /* %ds */
I386_ES_REGNUM, /* %es */
I386_FS_REGNUM, /* %fs */
I386_GS_REGNUM, /* %gs */
I386_ST0_REGNUM /* %st(0) */
};
what do you say ?
Regards,
Oza.
--- On Thu, 5/7/09, Hui Zhu <teawater@gmail.com> wrote:
> From: Hui Zhu <teawater@gmail.com>
> Subject: Re: MMX and floating point insn suport for reversible debugging
> To: "paawan oza" <paawan1982@yahoo.com>
> Cc: "Thiago Jung Bauermann" <bauerman@br.ibm.com>, "gdb ml" <gdb@sourceware.org>, "Pedro Alves" <pedro@codesourcery.com>, "Marc Khouzam" <marc.khouzam@ericsson.com>, "Michael Snyder" <msnyder@vmware.com>, "Eli Zaretskii" <eliz@gnu.org>, "Mark Kettenis" <mark.kettenis@xs4all.nl>
> Date: Thursday, May 7, 2009, 8:24 AM
> 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
>