Should push_target pop all targets?

[Daniel Jacobowitz]

On Wed, Oct 15, 2003 at 06:41:54PM -0400, Andrew Cagney wrote:
> Hello,
> 
> The current push_target code:
> 
> >  /* Find the proper stratum to install this target in. */
> >
> >  for (prev = NULL, cur = target_stack; cur; prev = cur, cur = cur->next)
> >    {
> >      if ((int) (t->to_stratum) >= (int) (cur->target_ops->to_stratum))
> >        break;
> >    }
> >
> >  /* If there's already targets at this stratum, remove them. */
> 
> only pops targets at the stratum level being pushed.  Doing this - 
> changing the target underneath ones feet - just scares me.
> 
> I think this should be changed so that all targets above that one get 
> poped.  If they are still needed, they can be re-pushed.
> 
> I suspect this will affect core-file and thread targets ...

This definitely makes sense to me.  I suspect a lot of the uses of
push/pop target will need some examining, though, based on my last
wander through that code.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer