npace wrote:
>
> > npace wrote:
> > >
> > > I am developing an embeddded application using RTAI.3/LXRT. I have either
>realtime user space process or realtime modules.
> > > Is there available a gdbserver / gdbstub to remotely debug (over a serial or
>TCP/IP connection) a user space realtime process or a realtime module ?
> > >
> > > Thanks
> > > Eng. Nicola Pace
> >
> > Hi Nicola,
> >
> > If you build gdbserver from the gdbsources (4.18 in the gdb/gdbserver
> > sub-directory) that will work for userspace programs.
> >
> > For gdbstub, I have an (untested) version, this would need you to also
> > use module offset loader to complete the serial line module debug
> > capability. If you want them I will post them.
> >
> > Regards, Stuart
>
> I meant hard real time processes (those making a rt_make_hard_real_time() lxrt
>call), In this case
> if I attempt to use gdb/gdbserver the system crashes. Is anyone thinking to a
>gdbserver working
> also in this case ?
>
> Regards
> Nicola
Hi Nicola,
gdbserver will not work on LXRT hard real-time. When in hard real-time
mode, Linux no longer knows anything about the task (approximately
speaking). This approach will not work, gsbserver relies on ptrace and
the concept of a superior process controlling an inferior that offers to
be ptrace'd.
Regards, Stuart
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