* breakpoint.c (TARGET_REGION_OK_FOR_HW_WATCHPOINT): Delete.

	* breakpoint.c (TARGET_REGION_OK_FOR_HW_WATCHPOINT): Delete.
	* config/i386/nm-i386sol2.h (TARGET_REGION_OK_FOR_HW_WATCHPOINT): New.
	(TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT): Delete.
	* config/mips/nm-irix5.h (TARGET_REGION_OK_FOR_HW_WATCHPOINT): New.
	(TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT): Delete.
	* config/sparc/nm-sol2.h (TARGET_REGION_OK_FOR_HW_WATCHPOINT): New.
	(TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT): Delete.
	* inf-ttrace.c (inf_ttrace_region_ok_for_hw_watchpoint): New.
	(inf_ttrace_region_size_ok_for_hw_watchpoint): Delete.
	(inf_ttrace_target): Delete to_region_size_ok_for_hw_watchpoint and
	add to_region_ok_for_hw_watchpoint.
	* s390-nat.c (s390_region_size_ok_for_hw_watchpoint): Delete.
	(s390_region_ok_for_hw_watchpoint): New.
	(_initialize_s390_nat): Delete to_region_size_ok_for_hw_watchpoint
	and add to_region_ok_for_hw_watchpoint.
	* target.c (default_region_size_ok_for_hw_watchpoint,
	debug_to_region_size_ok_for_hw_watchpoint): Delete prototype.
	(update_current_target): Delete to_region_size_ok_for_hw_watchpoint
	inheritance and default_region_size_ok_for_hw_watchpoint.
	(default_region_ok_for_hw_watchpoint): If len is less than or equal
	the length of void pointer, return ok.
	(default_region_size_ok_for_hw_watchpoint): Delete.
	(debug_to_region_size_ok_for_hw_watchpoint): Delete.
	(setup_target_debug): Delete to_region_size_ok_for_hw_watchpoint.
	* target.h (struct target_ops): Delete
	to_region_size_ok_for_hw_watchpoint.
	(TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT): Delete.