Jumbo patch.  Experiments with tramp-frame.
New files.
Dump of tramp-frame stuff.
2004-03-16  Andrew Cagney  <cagney@redhat.com>

	* infrun.c (handle_inferior_event): For non legacy frames, use the
	frame ID and frame type to identify a signal trampoline.  Update
	comments.
Merge with mainline cagney_tramp-20040321-mergepoint.
Final tramp-frame code.