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Re: GNU Tools Cauldron 2012 - BoF: Roadmap

On Wed, Feb 1, 2012 at 9:10 PM, Jose E. Marchesi <> wrote:
> ? ?It would be nice to make a general GDB BoF there, are more GDB contributors
> ? ?planning to attend Cauldron?
> ATM I am just getting familiar with the sims stuff and working in a
> private git repo, so I cannot be considered as a contributor (yet), but
> I will be attending the Cauldron :)


I'll participate as well, and I registered myself to give a
presentation about my PhD on-going work, as described in the abstract

Title: Supporting Parallel Component Debugging Using the GDB Python Interface
Authors: Kevin POUGET, Miguel SANTANA, Jean-François MEHAUT and Vania
In this presentation, we will introduce the work we have
undertaken in a join R&D effort of STMicroelectronics and the
Laboratoire d'Informatique de Grenoble on the GDB project.

In the context of parallel and embedded computing, debugging is well-
recognized as a complex activity. Nowadays, such applications are not
developed anymore from scratch, relying only on the programming
language primitives. Instead, they lean upon more advanced programming
models allowing an easier expression of parallelism.

Interactive debuggers like GDB evolved from their earlier times when
they could only handle machine instructions to support the source
languages used by developers to write their applications. We believe
that their next evolution could be the support of programming models,
which would help the developers to manipulate higher level
abstractions like the entities or communication mechanisms defined by
the programming model. These abstractions will have the advantage of
being closer to the concepts the developer dealt with during
development time and they will help her to keep focused on application
execution behaviour.

Hence, our work consists in improving GDB towards the support of such
programming models. On top of GDB's Python interface, and extending it
with contributed patches whenever it was required, we prepared a
framework supporting the debugging of an ST home-made embedded
component framework for MPSoC systems, running on an x86
simulator. The presentation will detail how we leveraged GDB to gather
relevant runtime information about the component framework and the set
of new features we developed, along with use-cases about their usage.

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