[RFA/RFC] Tweak for a gdb.mi test.

[Daniel Jacobowitz]

On Tue, May 07, 2002 at 06:09:11PM -0700, Michael Snyder wrote:
> 
> I'm gonna ask for a second pair of eyes, since I don't know MI 
> very well.
> 
> What this is -- the test is examining the stack, but it is
> assuming that main is the last frame.  My change allows for
> one extra frame below main (eg. for '_start').
> 
> OK to check in?

Before you check this in, I would prefer to have a policy decision
in place about whether we should show that frame or not.  The relevant
macro is FRAME_CHAIN_VALID; I believe we should universally (or almost
universally) change this to stop at main.  I think that's
func_frame_chain_valid but don't trust my memory.

Some ports (HP/UX comes to mind) do wacky things in this macro/method. 
I'm not sure what they accomplish or whether they are really necessary. 
Most default to either file_ or func_, and we should standardize that
unless there is a good reason not to.

-- 
Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer