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. > 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
