GDB Stubs for PowerPC BSP with old-exceptions

[Till Straumann]

Robert S. Grimes wrote:
> Hi Till,
>
> I want to use your gdb stubs and (eventually) cexp, but I'm using a new
> BSP for the Virtex-4 PowerPC.  This BSP is based on the gen405, which
> (still) uses the "old exceptions" model.  Sure enough, your agent won't
> compile for my BSP.  So, what would be involved in making it work with
> "old exceptions"?  Or should I instead change the BSP to "new exceptions"?
>
>   
I think the latter way is the way to go. Hopefully some day
there will be a single model (again). I'm not sure the 'new'
model is necessarily better (I'm not familiar with the 'old' one)
but it is a hassle to have two. I don't have the time to
implement support for the old model ATM (and I'm not
eager to maintain two models), sorry.

Regards
-- Till
> Thanks,
> -Bob
>
> Joel Sherrill wrote:
>   
>> Nickolay Kolchin wrote:
>>   
>>     
>>> Hello,
>>>
>>> Where I can get GDB with librdbg support? All gdb versions on
>>> ftp.rtems.com (4.18, 5.2) are build for powerpc-rtems, not
>>> powerpc-RTEMS. So, commands from librdbg manual (setrpcmode,
>>> setdaemontype, target rtems) don't work.
>>>
>>> Building GDB from sources (5.2.1 with all Patches applied), fails on
>>> configure stage:
>>>
>>> ....
>>> Invalid configuration `powerpc-RTEMS': system `RTEMS' not recognized
>>> Unrecognized target system name powerpc-RTEMS.
>>> ....
>>>
>>> Afaik, no rgbd patches for GDB 6.x exist.
>>>
>>> So, how librdbg can be used?
>>>   
>>>     
>>>       
>> AFAIK librdbg can't be used with a modern gdb.  The internal structure of
>> gdb changed and no one has updated the code.  IMO this means that rdbg
>> is becoming obsolete and you are better off using the standard gdb remote
>> protocol and stubs.
>>
>> Till Straumann has some nice support for gdb with dynamically loaded modules
>> at his site. Google for "Till cexp" and it will turn up.  Maybe Till 
>> will add some
>> comments here. :)
>>
>> --joel
>>   
>>     
>>> ---
>>> Nickolay
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>>> rtems-users at rtems.com
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>>>   
>>>     
>>>       
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>>
>>   
>>