Proposed mod for stack-select-frame MI command

[Andrew Cagney]

Mo, is this needed or is it just a convenience?  Won't the client need 
to track the current stack level and hence can simply adjust/use that 
local copy.

Andrew


> Greetings
> 
> I am been working with the MI recently and ran into a
> real problem with the stack-select-frame method.
> While it can be used to change the stack to a new level,
> there is no way to just move up or down a level(s) like
> the cli up and down commands. I am suggesting that
> the implementation of the -stack-select-frame be
> changed to support selection of stack frames that
> are relative to the current stack frame.
> 
> -stack-select-frame 0
> -stack-select-frame +1
> (This would move up one frame)
> 
> -stack-select-frame +1
> -stack-select-frame -2
> (This would end up back at frame 0)
> 
> A patch to implement this change has been posted to gdb-patches.
> 
> cheers
> Mo DeJong
>