what is the difference of rdbg and gdb stub provided by libbs p/cpu/shared/comm

[Phil Torre]

On Thu, Dec 12, 2002 at 09:30:35AM -0800, Till Straumann wrote:
> 
> BTW: does anybody use RDBG on PowerPC? I have - it seems quite broken, 
> though.
> While some basic things work, others crash the host gdb (making a target 
> reboot
> inevitable). Sorry for not being more specific, I'm out of my office.
> 
> After looking at the 'remote-xxx' (gdb) implementation (I wanted to see 
> how hard it would
> be to add support for loadable modules), MHO is that some cleanup/rework 
> by a real
> gdb expert would do no harm... (I was still using the 'latest 
> stable/working' release of
> rtems-gdb [sidenote: the binaries/RPMs distributed by OaR are _not_ 
> compiled with
> RDBG support!] - has there been any change since?)
> 
> -- Till

I tried it out with the 20020628 snapshot on an MPC860.  If I remember
correctly, I was able to connect to the target via Ethernet and
interrogate it (dump memory and registers, etc.) but I was unable to 
make breakpoint support work.  I gave up after a few days and went
back to the BDM.

-Phil