How to create new mi commands via python / get current interpreter in python

Jan Vrany jan.vrany@fit.cvut.cz
Wed Nov 3 09:06:40 GMT 2021


On Tue, 2021-11-02 at 20:11 +0100, Simon Sobisch via Gdb wrote:
> That's exactly I was looking for, so sad that this isn't available in
> GDB 11 :-(

I know...

> In any case that looks quite promising, would be nice to see it at
> least 
> in a feature-branch in the official gdb repo until it is ready to be
> merged.

Good idea, I can do that. I'll post here when done.

> 
> For the "hack without a patched GDB version": do you know of a good
> way 
> to create the mi-expected message with different parameters in plain 
> python and/or a way to know which interpreter is active in the
> current 
> context of a gdb.Command?
> 

I'm not sure I 100% understand what you want to achieve, but I'm afraid
one cannot tell which interprerer was active (as of now). 
But, if inside python you do "intepreter-exec mi <some custom py
command>" you may pass down to the command option - say - `--mi` no?

HTH

> Simon
> 
> Am 02.11.2021 um 17:56 schrieb Jan Vrany:
> > Hi,
> > 
> > On Tue, 2021-11-02 at 17:40 +0100, Simon Sobisch via Gdb wrote:
> > > Additional to this question: is there an option to create new MI
> > > commands from python (instead of "console commands")
> > 
> > Sort of. This has been started by Didier Nadeau and then continued
> > by
> > me but sadly, I got carried away and have not done the last bits so
> > it
> > can be pushed.
> > 
> > However, I'm using this feature heavily and keep more-or-less
> > up-to-date GDB with this support (and some other hacks/fixes
> > waiting
> > to be polished and submitted, see
> > 
> > https://github.com/janvrany/binutils-gdb/tree/users/jv%2Fvdb
> > 
> > Here you may find example how I use it:
> > 
> >  
> > https://swing.fit.cvut.cz/hg/jv-vdb/file/tip/python/vdb/__init__.py#l329
> > 
> > Let me know if you have any questions, let me know.
> > 
> > I'd like to take the opportunity and apologise to all reviewers
> > for not finishing it yet - hopefuly I'll find long-enough period of
> > quiter time to finish this.
> > 
> > Jan
> > 
> > 




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