Should push_target pop all targets?

[Andrew Cagney]

> 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.

On GNU/Linux, attach breaks (yet the exact same test passes on BSD ...)

Andrew