RE: ARM port; first results

["Lynch, Rusty" <rusty dot lynch at intel dot com>]

Very cool!  I have thought about doing this on my spare time, but never
have got around to it.  I'll take a look and maybe attempt to get this
working on my gumstix (a little xscale hobby kit.)

    --rusty

>-----Original Message-----
>From: systemtap-owner@sources.redhat.com [mailto:systemtap-
>owner@sources.redhat.com] On Behalf Of Wolfram Gettert
>Sent: Monday, June 27, 2005 12:09 AM
>To: systemtap@sources.redhat.com
>Subject: ARM port; first results
>
>Hi all,
>since I am new to this list. I just want to introduce me shortly. My
name
>is Wolfram I am software engineer and working most of my time for
embedded
>software stuff.
>
>Some month ago I started a port of kprobes to ARM. Because of some
>priority shifting I am currently not working on the ARM port anymore.
>Since there seem to be some interest in an ARM port of kprobes I will
post
>my first results althogh they are not complete.
>
>What's working:
> - register/unregister a kprobe (tested on an Sgold processor)
> - fire pre-, fault- and posthandler.
>
>What's not working:
> - Cleanup of registers and stack if the probed instruction is a
>   branch or so ... (I have some starting points on my HDD if someone
is
>interessted in send me a mail)
> - Thumb mode is not supported
> - Java mode is not supported
>
>The patch is against a kernel 2.6.9 however not a vanilla one since
there
>is no sgold support in the mainstream kernel. But I think if there are
>dependencies to Sgold they can be easily fixed. I looked over the patch
>and I didn't see something in the first glance.
>
>If you have any questions feel free to ask.
>
>Wolfram
>
>
>--
>Dipl.-Ing.
>Wolfram Gettert
>
>Software Engineer Embedded Systems
>
>Mixed Mode GmbH
>Wolfram dot Gettert at mixed-mode dot de    http://www.mixed-mode.de
>
>Mixed Mode - Your Partner for Systems Engineering!