* infptrace.c (child_xfer_memory): Only use if CHILD_XFER_MEMORY

	* infptrace.c (child_xfer_memory): Only use if CHILD_XFER_MEMORY
	is not defined.

	* hppab-nat.c (call_ptrace): Delete redundant function.
	(kill_inferior, attach, detach, child_resume): Likewise.
	(child_xfer_memory): Likewise.

	* hppah-nat.c (call_ptrace): Delete redundant function.
	(kill_inferior, attach, detach, child_resume): Likewise.

	* config/pa/hppabsd.mh (NATDEPFILES): Add infptrace.o.

	* config/pa/hppahpux.mh (NATDEPFILES): Add infptrace.o.

	* config/pa/nm-hppab.h (FETCH_INFERIOR_REGISTERS): Define.

	* config/pa/nm-hppah.h (FETCH_INFERIOR_REGISTERS): Define.
	(CHILD_XFER_MEMORY): Define.
	(PT_*): Define so that generic infptrace.c code can be used.