Re: [DynInst_API:] REX prefix

[Xiaozhu Meng <xmeng@xxxxxxxxxxx>]

Hi Victor,

Bill is out this week. So I will try to look into this problem.

I am now able to reproduce the problem and identify the buggy code. I
will send you a patch when I have a fix.

Thanks

--Xiaozhu

On Mon, Jun 8, 2015 at 11:25 AM, Victor van der Veen <vvdveen@xxxxxxxxx> wrote:
> Hello,
>
> I'm looking at Dyninst disassembled IA64 code a lot these days and maybe
> just found a minor bug.
>
> objdump -d output:
>   ...
>   414883:   40 b6 01                mov    $0x1,%sil
>   ...
>
> While Dyninst 8.2.1 disassembles this instruction as:
>   ...
>   mov DH, 1
>   ...
>
> It seems that Dyninst does not process the REX prefix correctly. I did
> not yet study the Dyninst source to see if I'm correct...
>
> With kind regards,
>
> Victor van der Veen
>
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