gdb support for Atmel AVR

[Andrew Cagney]

> :)Finally, there is -Werror.  Your target should be buildable with:
> :)	--target=<your-target> --enable-gdb-build-warnings=,-Werror
> :)and then start.  You need to select your host carefully.  Pragmatics: 
> :)anyone making changes across GDB should try rebuilding and running all 
> :)targets.  -Werror makes this much easier.
> 
> That should be easy to do.
> 
> :)
> :)The one thing you'll notice isn't on the check list is test results.  On 
> :)that count, far as I'm conceerned, as soon as your target is showing 
> :)reasonable signs of life it is ready for acceptance.
> 
> Some people are already using it for real work so I think it's got a heart 
> beat already. ;)


Sounds good.


> I'm especially interested in someone reviewing the changes I had to make 
> outside of avr-tdep.c and config/avr/*. These changes may affect other 
> targets. I've tried really hard to keep those changes to a minimum though.


(Mutter something about needing to avoid contamination until the 
assignment is in place :-/ :-)

I'll personally avoid looking at the changes however it looks like 
you're getting the feedback you need.

good luck!
Andrew