[ECOS] arm gdb stub: user / supervisor mode

[Jonathan Larmour]

Jonathan Larmour wrote:
> 
> Jonathan Larmour wrote:
> >
> > The eCos ARM GDB support hasn't been designed to debug user mode, only svc
> > mode so you're breaking new ground here!
> 
> Actually it's been pointed out (by Mark S) that the current version of
> vectors.S in our internal repository may handle this better. It doesn't
> support user mode debugging, but it does support debugging of the other
> privileged modes better than the current anoncvs version anyway, thanks to
> a recent overhaul. To support user mode debugging probably involves forking
> the exception handling into two paths early in the exception process. One
> way for user mode being interrupted and the other is the current handling.
> 
> I've attached it anyway.

It seems it was so new that it wasn't even in our mainline CVS at the time
I took the snapshot! And in any case I was missing some other files.

Here's a patch instead. Caveat emptor - you're on your own :).
 
Jifl
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