[gdbserver/rfa] CRIS/CRISv32 gdbserver support (part 2)

[Orjan Friberg]

Orjan Friberg wrote:
>>
>> What to do about the threaded case?  GDB is having so much trouble
>> getting it right that I'd like to make sure gdbserver does from the
>> start.
>>
>> I guess this can be handled completely in the linux-low wrapper
>> functions by switching the current thread and setting watchpoints for
>> each.  I think that is correct for all Linux targets using hardware
>> watchpoints, because of the nature of Linux threading.
> 
> 
> For CRISv32, there might be an additional problem lurking in the 
> shadows: we treat the watchpoint registers as global (i.e., only one 
> process at a time can use them, and thus they are not saved/restored on 
> context switches etc).
> 
> Anyway, is this something you want resolved before I commit the 
> CRIS/CRISv32 support?  (Here's an updated ChangeLog entry and updated 
> patches if not.)

Two week ping.  (If you want the multi-threaded watchpoint support issue 
resolved before the commit please elaborate, if possible, on what needs to be done.)

-- 
Orjan Friberg
Axis Communications