2012-04-27 Sergio Durigan Junior <sergiodj@redhat.com>

2012-04-27  Sergio Durigan Junior  <sergiodj@redhat.com>
	    Tom Tromey  <tromey@redhat.com>

	* breakpoint.c (struct breakpoint_objfile_data)
	<longjmp_searched>,<longjmp_probes>,<exception_searched>,
	<exception_probes>: New fields.
	(free_breakpoint_probes): New function.
	(create_longjmp_master_breakpoint): Prefer SystemTap probe over
	`_Unwind_DebugHook'.
	(create_exception_master_breakpoint): Likewise.
	(_initialize_breakpoint): Registering cleanup for SystemTap probes.
	* infrun.c: Including necessary header files for handling SystemTap
	probes.
	(handle_inferior_event): Handling longjmp breakpoint and exceptions
	via SystemTap probes.
	(check_exception_resume): Remove `func' argument.  Handle exception
	unwinding breakpoint set via a SystemTap probe.
	(insert_exception_resume_from_probe): New function.