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