* aix-thread.c (aix_thread_xfer_memory): Replace by ...
(aix_thread_xfer_partial): ... this.
(init_aix_thread_ops): Install to_xfer_partial instead
of deprecated_xfer_memory target method.
* config/powerpc/aix.mh (NATDEPFILES): Remove infptrace.o
and inftarg.o, add inf-ptrace.o.
* config/rs6000/nm-rs6000.h (FETCH_INFERIOR_REGISTERS,
CHILD_XFER_MEMORY, KERNEL_U_SIZE, kernel_u_size): Remove.
* rs6000-nat.c: Include "inf-ptrace.h" and "gdb_stdint.h".
(fetch_inferior_registers): Rename to ...
(rs6000_fetch_inferior_registers): ... this. Make static.
(store_inferior_registers): Rename to ...
(rs6000_store_inferior_registers): ... this. Make static.
(read_word, child_xfer_memory): Remove.
(rs6000_xfer_partial): New function.
(kernel_u_size): Remove.
(_initialize_core_rs6000): Add inf_ptrace-based target.
* Makefile.in (rs6000-nat.o): Update dependencies.