[ECOS] OpenOCD support for eCos threads

[ECOS] OpenOCD support for eCos threads

[Øyvind Harboe]

Are there anyone out there who would be willing and able
to work on eCos threads support for OpenOCD?

I think it would be *really* neat :-)

-- 
Øyvind Harboe
Embedded software and hardware consulting services
http://www.zylin.com

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[ECOS] Re: OpenOCD support for eCos threads

[John Dallaway]

Hi Øyvind

Øyvind Harboe wrote:

> Are there anyone out there who would be willing and able
> to work on eCos threads support for OpenOCD?
> 
> I think it would be *really* neat :-)

This seems like a good candidate for a student project. Have you
considered a proposal for the Google Summer of Code?

  http://code.google.com/soc/

The eCos GDB stub code provides plenty of pointers for extracting the
thread information programatically. The challenge will be to achieve the
same result by inspection and to ensure that this inspection is robust
for the various kernel configuration options.

John Dallaway

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[ECOS] Re: OpenOCD support for eCos threads

[Øyvind Harboe]

On Wed, Sep 16, 2009 at 10:15 AM, John Dallaway <john@dallaway.org.uk> wrote:
> Hi Øyvind
>
> Øyvind Harboe wrote:
>
>> Are there anyone out there who would be willing and able
>> to work on eCos threads support for OpenOCD?
>>
>> I think it would be *really* neat :-)
>
> This seems like a good candidate for a student project. Have you
> considered a proposal for the Google Summer of Code?

Sounds like a good idea, but I haven't familiarized myself with Google
Summer of Code... I'm kinda hoping that someone on the list
will have the opportunity to pursue this directly or indirectly...



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Øyvind Harboe
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http://www.zylin.com

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[ECOS] Re: OpenOCD support for eCos threads

[Grant Edwards]

On 2009-09-15, ??yvind Harboe <oyvind.harboe@zylin.com> wrote:

> Are there anyone out there who would be willing and able
> to work on eCos threads support for OpenOCD?
>
> I think it would be *really* neat :-)

It would.

We discussed thread support a while back, and one suggestion
was to write something that would work with anything that
implement's gdb's "remote" protocol. 

Such a "thread server" would sit between gdb and another
"child" gdb-server (e.g.  OpenOCD).  The thread server would be
a gdb remote server itself, and would transparently pass on
non-thread-related commands to the child gdb-server.
Thread-related commands would be handled by the thread-server
by examining eCos kernel structures or making vtable calls via
"remote" commands sent to the child gdb server.  

That way it could be used with things like an Abatron BDI2000
or some of the other JTAG boxen that do the gdb remote
protocols in addition to OpenOCD.

-- 
Grant Edwards                   grante             Yow! I feel partially
                                  at               hydrogenated!
                               visi.com            


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[ECOS] OpenOCD support for eCos threads

[Øyvind Harboe]

FYI, OpenOCD master branch has wip support for ThreadX and FreeRTOS
threads w/Cortex M3.

Adding eCos support probably would be relatively little work beyond
reading up on how this is done for ThreadX/FreeRTOS and replicating
the same pattern.

Anyone? ;-)

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Øyvind Harboe

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