Use of lval_register?

[Andrew Cagney]

>> >I think it should update the cached copy.  I'm not so sure it should
>> >update the in-memory copy, if the var has moved.  That would require
>> >re-evaluating the expression that produced $1 wouldn't it?
> 
>> 
>> Eventually.  For the moment I'm just worred about getting it to 
>> re-evaluate the registers the value is assumed to reside in.
>> 
>> Or should it only modify the history pool (modifying memory is weird 
>> here, but where to draw the line is also weird).
> 
> 
> After some more thought, I suppose it should modify both the pool and
> memory.  It's just not clear how to find out where in memory it should
> be, now...

Or just modify the pool?

varobj provides a mechanism for modifying / tracking values in the target.

Andrew