[RFA] Displaced stepping just enable in non-stop mode

[Eli Zaretskii]

> From: Pedro Alves <pedro@codesourcery.com>
> Date: Fri, 17 Oct 2008 15:50:40 +0100
> Cc: Daniel Jacobowitz <drow@false.org>,  teawater@gmail.com,  brobecker@adacore.com,  msnyder@vmware.com
> 
> > We could also try to detect if it works, and display a warning if we
> > think it won't (RE the cases you described above).
> 
> That would be a warning that brings no value to the user in
> all-stop mode.
> 
> If the user sees:
> 
>  "warning: you can not use displaced stepping on this platform".
> 
> He/she will think that something is wrong, while at least currently,
> no functionality the user cares for is lost (in all-stop).

The warning should say that non-stop won't work, and we should refuse
to work in non-stop mode in this case.