[RFA/RFC/sparc32] SIGSEGV during fun call when no debugging info

[Joel Brobecker]

Thanks, everyone, for the feedback.

> > 2008-04-29  Joel Brobecker  <brobecker@adacore.com>
> > 
> > 	* gdbarch.sh: Document the return_value method. Explain that
> > 	the FUNCTYPE parameter might be NULL.
> > 	* gdbarch.h: Regenerated.
> > 	* sparc-tdep.c (sparc32_push_dummy_code): Do not pass the function
> > 	type when calling using_struct_return, as this is unnecessary
> > 	on this target.
> > 
> > Tested on sparc-solaris. Fixes many many regressions in gdb.ada,
> > gdb.base and gdb.gdb.
> > 
> > OK to apply?
> 
> sure

Now checked in.

Thank you,
-- 
Joel