Re: MPI debugging support in GDB?

[Pedro Alves <pedro at codesourcery dot com>]

On Wednesday 14 October 2009 15:40:45, Tom Tromey wrote:
> >>>>> "Sérgio" == Sérgio Durigan Júnior <sergiodj@linux.vnet.ibm.com> writes:
> 
> Tom> I haven't heard of anybody working on MPI support for GDB.
> 
> Sérgio> Last year, I was starting a work in order to implement such a
> Sérgio> support on GDB.  However, due to internal reasons, I had to quit
> Sérgio> this and start another task.  Unfortunately, I only spent a few
> Sérgio> days studying MPI and did not have the chance to create an
> Sérgio> opinion about how difficult it would be to make GDB support it.
> 
> If you know, could you say something about what kind of support would be
> needed?  Even that would help a bit, I think.

I think that for full and transparent support, we'd need to start with
being able to debug multiple (remote) targets simultaneously?  GDB can't
do that currently --- it can only debug multiple processes running on
the same host.

-- 
Pedro Alves