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,
> 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.
> of remote debug-agent would be a "system level debugger", a s/w
> solution to a traditional hardware only debug aid. At this time
> kind of pointless, as its painful to setup and JTAG debuggers
> are so cheap (for mainline CPUs).
Depends on your platform.
Daniel Jacobowitz Carnegie Mellon University
MontaVista Software Debian GNU/Linux Developer