This is also an update of this patch based on feedback from previous 
patch reviews.

Keith

Changes since last revision:
   - use make_cleanup_delete_event_location
   - remove SAVE_SPEC
   - new_probe_location

ChangeLog
2014-05-29  Keith Seitz  <keiths@redhat.com>

	* break-catch-throw.c (re_set_exception_catchpoint): Convert
	linespec for stap probe to probe location.
	* breakpoint.c (create_longjmp_master_breakpoint): Likewise.
	(create_exception_master_breakpoint): Likewise.
	(break_command_1): Remove local variable `arg_cp'.
	Check location type to set appropriate breakpoint ops methods.
	(trace_command): Likewise.
	* linespec.c (event_location_to_sals): Handle probe locations.
	* location.c (copy_event_location): Likewise.
	(delete_event_location): Likewise.
	(event_location_to_string): Likewise.
	(string_to_event_location): Likewise.
	(event_location_empty_p): Handel probe locations.
	* location.h (enum event_location_type): Add PROBE_LOCATION.
	(EVENT_LOCATION_PROBE): Define accessor macro.
	* probe.c (parse_probes): Assert that LOCATION is a probe location.
	Convert linespec into probe location.