2004-03-22 Andrew Cagney <cagney@redhat.com>

2004-03-22  Andrew Cagney  <cagney@redhat.com>

	* s390-tdep.c (struct s390_stub_unwind_cache): Rename
	s390_pltstub_unwind_cache.
	(s390_stub_frame_unwind_cache): Rename
	s390_pltstub_frame_unwind_cache.
	(s390_stub_frame_this_id): Rename s390_pltstub_frame_this_id.
	(s390_stub_frame_prev_register): Rename
	s390_pltstub_frame_prev_register.
	(s390_stub_frame_unwind): Rename s390_pltstub_frame_unwind.
	(s390_stub_frame_sniffer): Rename s390_stub_frame_sniffer.

	From Ulrich Weigand:
	* s390-tdep.c (s390_pltstub_frame_sniffer): Handle invalid function
	pointer calls like PLT calls.