* Multiplexing gdb remote protocol and application output
@ 2005-09-21 0:58 yuri
2005-09-21 2:55 ` Daniel Jacobowitz
` (2 more replies)
0 siblings, 3 replies; 6+ messages in thread
From: yuri @ 2005-09-21 0:58 UTC (permalink / raw)
To: gdb
Hello,
Older gdb versions supported 'target cisco'. Function readsocket() allowed
to distinct between application output and remote communication protocol
packets, using escape sequence.
Now 'target cisco' support removed from gdb distribution. Is there any
standard way in gdb to multiplex remote protocol and application
input/output?
Thanks,
Yuri
^ permalink raw reply [flat|nested] 6+ messages in thread* Re: Multiplexing gdb remote protocol and application output
2005-09-21 0:58 Multiplexing gdb remote protocol and application output yuri
@ 2005-09-21 2:55 ` Daniel Jacobowitz
2005-09-21 14:34 ` Kris Warkentin
2005-09-24 0:36 ` Yuri Karlsbrun
2005-09-21 13:35 ` Paul Koning
2005-09-21 17:01 ` Paul Gilliam
2 siblings, 2 replies; 6+ messages in thread
From: Daniel Jacobowitz @ 2005-09-21 2:55 UTC (permalink / raw)
To: yuri; +Cc: gdb
On Tue, Sep 20, 2005 at 05:58:29PM -0700, yuri@enmediainc.com wrote:
> Hello,
>
> Older gdb versions supported 'target cisco'. Function readsocket() allowed
> to distinct between application output and remote communication protocol
> packets, using escape sequence.
>
> Now 'target cisco' support removed from gdb distribution. Is there any
> standard way in gdb to multiplex remote protocol and application
> input/output?
Not really, but there's at least one tool that can do this, called kdmx
(specific to Linux but I believe it ought to be fairly portable).
I'm afraid that's all I know about the subject though.
--
Daniel Jacobowitz
CodeSourcery, LLC
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Multiplexing gdb remote protocol and application output
2005-09-21 2:55 ` Daniel Jacobowitz
@ 2005-09-21 14:34 ` Kris Warkentin
2005-09-24 0:36 ` Yuri Karlsbrun
1 sibling, 0 replies; 6+ messages in thread
From: Kris Warkentin @ 2005-09-21 14:34 UTC (permalink / raw)
To: Daniel Jacobowitz; +Cc: yuri, gdb
Daniel Jacobowitz wrote:
> On Tue, Sep 20, 2005 at 05:58:29PM -0700, yuri@enmediainc.com wrote:
> > Hello,
> >
> > Older gdb versions supported 'target cisco'. Function readsocket()
> allowed
> > to distinct between application output and remote communication
> protocol
> > packets, using escape sequence.
> >
> > Now 'target cisco' support removed from gdb distribution. Is there any
> > standard way in gdb to multiplex remote protocol and application
> > input/output?
>
> Not really, but there's at least one tool that can do this, called kdmx
> (specific to Linux but I believe it ought to be fairly portable).
>
> I'm afraid that's all I know about the subject though.
>
Our QNX pdebug protocol does it by defining different communication
channels for protocol messages and I/O. The support isn't rolled into
the FSF tree yet however and there aren't any clients other than
Neutrino. Wow. How incredibly unhelpful of me. ;-)
I know that Cisco has their support ported to newer versions of gdb but
I hadn't realized that they once had support in the main tree. I guess
they haven't gotten around to putting it back in.
cheers,
Kris
--
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^ permalink raw reply [flat|nested] 6+ messages in thread
* RE: Multiplexing gdb remote protocol and application output
2005-09-21 2:55 ` Daniel Jacobowitz
2005-09-21 14:34 ` Kris Warkentin
@ 2005-09-24 0:36 ` Yuri Karlsbrun
1 sibling, 0 replies; 6+ messages in thread
From: Yuri Karlsbrun @ 2005-09-24 0:36 UTC (permalink / raw)
To: 'Daniel Jacobowitz'; +Cc: gdb
Hi,
As an exercise, I restored 'target cisco' in gdb-6.3 (used code from
gdb-5.0). It was not difficult.
Then I found in the GDB manual "File I/O remote protocol extension". The
idea of this protocol extension is pretty much the same as Cisco hack: guard
application input/output, but the implementation is much more flexible.
I wonder, why nobody mentioned extended file IO.
Yuri
> > Older gdb versions supported 'target cisco'. Function readsocket()
> allowed
> > to distinct between application output and remote communication protocol
> > packets, using escape sequence.
> >
> > Now 'target cisco' support removed from gdb distribution. Is there any
> > standard way in gdb to multiplex remote protocol and application
> > input/output?
>
> Not really, but there's at least one tool that can do this, called kdmx
> (specific to Linux but I believe it ought to be fairly portable).
>
> I'm afraid that's all I know about the subject though.
>
> --
> Daniel Jacobowitz
> CodeSourcery, LLC
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Multiplexing gdb remote protocol and application output
2005-09-21 0:58 Multiplexing gdb remote protocol and application output yuri
2005-09-21 2:55 ` Daniel Jacobowitz
@ 2005-09-21 13:35 ` Paul Koning
2005-09-21 17:01 ` Paul Gilliam
2 siblings, 0 replies; 6+ messages in thread
From: Paul Koning @ 2005-09-21 13:35 UTC (permalink / raw)
To: yuri; +Cc: gdb
>>>>> "yuri" == yuri <yuri@enmediainc.com> writes:
yuri> Hello, Older gdb versions supported 'target cisco'. Function
yuri> readsocket() allowed to distinct between application output and
yuri> remote communication protocol packets, using escape sequence.
yuri> Now 'target cisco' support removed from gdb distribution. Is
yuri> there any standard way in gdb to multiplex remote protocol and
yuri> application input/output?
Output, yes; there's an encoding for output characters mentioned in
the remote protocol spec. Input, I don't think so.
paul
^ permalink raw reply [flat|nested] 6+ messages in thread* Re: Multiplexing gdb remote protocol and application output
2005-09-21 0:58 Multiplexing gdb remote protocol and application output yuri
2005-09-21 2:55 ` Daniel Jacobowitz
2005-09-21 13:35 ` Paul Koning
@ 2005-09-21 17:01 ` Paul Gilliam
2 siblings, 0 replies; 6+ messages in thread
From: Paul Gilliam @ 2005-09-21 17:01 UTC (permalink / raw)
To: gdb
On Tuesday 20 September 2005 17:58, yuri@enmediainc.com wrote:
> Hello,
>
> Older gdb versions supported 'target cisco'. Function readsocket() allowed
> to distinct between application output and remote communication protocol
> packets, using escape sequence.
>
> Now 'target cisco' support removed from gdb distribution. Is there any
> standard way in gdb to multiplex remote protocol and application
> input/output?
>
> Thanks,
> Yuri
>
>
>
Sounds a little like 'annotations' to me.
-=# Paul #=-
^ permalink raw reply [flat|nested] 6+ messages in thread
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2005-09-21 0:58 Multiplexing gdb remote protocol and application output yuri
2005-09-21 2:55 ` Daniel Jacobowitz
2005-09-21 14:34 ` Kris Warkentin
2005-09-24 0:36 ` Yuri Karlsbrun
2005-09-21 13:35 ` Paul Koning
2005-09-21 17:01 ` Paul Gilliam
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