[RFC] gdb.base/args.exp: Invoke gdb_load for simulator targets

[Andrew Cagney]

> I'm testing gdb against a simulator and I'm seeing the following in
> the gdb.log output:
> 
>     (gdb) run
>     Starting program: .../gdb/testsuite/gdb.base/args 1 3
>     Don't know how to run.  Try "help target".
>     (gdb) FAIL: gdb.base/args.exp: correct args printed
> 
> My first inclination was to simply skip this test for simulator
> targets, but I decided that there's no reason not to run it.  I've
> added a bit of code to invoke gdb_load for simulator targets and
> wrapped it up in a proc so that it'll be easier to augment as other
> targets are identified which can use a similar mechanism.
> 
> Comments?  (This is reasonably obvious, so I'll check this in a day or
> so if there are no objections.)
> 
> 	* gdb.base/args.exp: Invoke gdb_load for simulator targets. 
> 	Modify regexps to match extra output after program exit in a
> 	simulator.

What's the extra output?  That part may be a bug.

Andrew