2002-04-04 Michael Snyder <msnyder@redhat.com>

2002-04-04  Michael Snyder  <msnyder@redhat.com>

	* breakpoint.c: Add support for hardware breakpoints in overlays.
	(overlay_events_enabled): New state variable.
	(insert_breakpoints): Use overlay_events_enabled to decide
	whether to attempt to set a breakpoint at the overlay load addr.
	Handle bp_hardware_breakpoint as well as bp_breakpoint.
	(remove_breakpoint): Use overlay_events_enabled to decide
	whether breakpoints need to be removed from overlay load addr.
	Handle bp_hardware_breakpoint as well as bp_breakpoint.
	(bpstat_stop_status): Handle bp_hardware_breakpoint in overlays.
	(create_overlay_event_breakpoint, enable_overlay_breakpoints,
	disable_overlay_breakpoints): Update overlay_events_enabled.