Re: -stack-list-locals and children

Pawel Piech
2009-06-29T23:07:52Z

Thank you, this is very helpful.
-Pawel

Nick Roberts wrote:
> > No kidding! 2 more questions then:
> >
> > - does stack-list-args support the --simple-values option?
>
> [-stack-list-arguments]
>
> Not --simple-values directly but you can access it quite easily using the SHOW-VALUES
> option which is really the PRINT-VALUES option of -stack-list-locals since the two
> MI commands share the same code, namely, list_args_or_locals.
>
> For example,
>
> (gdb)
> -stack-list-arguments 0 0 1
> ^done,stack-args=[frame={level="0",args=[name="i",name="j"]},frame={level="1",args=[name="argc",name="argv"]}]
> (gdb)
> -stack-list-arguments 1 0 1
> ^done,stack-args=[frame={level="0",args=[{name="i",value="0x7ffff7871c81"},{name="j",value="0"}]},frame={level="1",args=[{name="argc",value="1"},{name="argv",value="0x7fffffffe7b8"}]}]
> (gdb)
> --stack-list-arguments 2 0 1
> ^done,stack-args=[frame={level="0",args=[{name="i",type="int *",value="0x7ffff7871c81"},{name="j",type="int",value="0"}]},frame={level="1",args=[{name="argc",type="int",value="1"},{name="argv",type="char **",value="0x7fffffffe7b8"}]}]
> (gdb)
>
> as SHOW-VALUES=2 corresponds to --simple-values.
>
>
> > - how long has this feature been around?
>
> Since GDB 6.1, which goes back to the start of 2004. I added --simple-values
> (and documented it) for the locals buffer in Emacs but it's availability to
> -stack-list-arguments was just a side effect, so I never documented that.
>
> I think it would be quite easy to change -stack-list-arguments to accept
> --no-values, --simple-values and --all-values if people want it.
>
>