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Re: A question on PPC32
- From: Ananth N Mavinakayanahalli <ananth at in dot ibm dot com>
- To: <ashok dot shanmugam at wipro dot com>
- Cc: <chenhj98 at gmail dot com>, <systemtap at sourceware dot org>
- Date: Mon, 29 Jun 2009 15:48:04 +0530
- Subject: Re: A question on PPC32
- References: <ea6707a00906290124n68ae8f91m9283df5421ba8128@mail.gmail.com> <20090629095657.GB5396@in.ibm.com> <79E6823080C67C4780654AFA9678580203B6E175@BLR-SJP-MBX01.wipro.com>
- Reply-to: ananth at in dot ibm dot com
On Mon, Jun 29, 2009 at 03:30:22PM +0530, ashok.shanmugam@wipro.com wrote:
> >On Mon, Jun 29, 2009 at 04:24:03PM +0800, chen HJ wrote:
> >> Hi all,
> >>
> >> A simple question, can systemTap support PPC32 now? I have tried to
> >> compile systemTap on MPC5121, but it needs a header file for PPC64.
>
> >The kernel side support (kprobes, tracepoints, et al) are already
> >available. Its quite possible that the SystemTap runtime needs a few
> >tweaks to get it working for ppc32
>
> >Look at __powerpc64__/__arm__ in runtime code and see if a new stub
> >needs to be written at those places for __powerpc__
>
> >Ananth
>
>
>
> Hi Ananth,
>
> Can you tell me from which kernel version the PPC32 is supported for kprobes ?
Kumar Gala added the patch (git commit 8209003) in Feb 2007. AFAICS, kprobes
for ppc32 has been available since 2.6.21.
Ananth