Re: Debugging of embedded target applications

[Jun Sun <jsun@mvista.com>]

Daniel Jacobowitz wrote:

> On Tue, May 07, 2002 at 07:25:23PM -0700, Geoffrey Espin wrote:
>
> > On Tue, May 07, 2002 at 09:43:14PM -0400, Daniel Jacobowitz wrote:
> >
> > > > Does work it for kernel type debugging over *Ethernet*?
> > > > I see some docs saying "TCP/IP" connection... but does that
> > > > mean a special kind of network driver?  Or a gdbstub/agent
> > > > outside the kernel in a special monitor?
> > > What do you mean by kernel type debugging?  It's not a kernel stub.  It
> > > can debug user programs over TCP/IP or a serial line.
> > In traditional embedded RTOS land, "system-level debugging".
> > In the olden days one had to have BDM/JTAG hardware assist
> > to step thru truly arbitary bits of code, like interrupt handlers,
> > scheduler.
> >
> > The original question was about using using a hardware debugger.
> > Clearly using gdb/gdbserver is for apps only, AFAIK.  Does one
> > bother with a h/w debugger for apps?  Using kgdb with some kind
> Actually, yes, you can.  I believe at least the Abatron BDI can do
> this.  Could be wrong, though.

I have used kgdb over JTAG.

Jun