2003-11-17  Jeff Johnston  <jjohnstn@redhat.com>
            David Mosberger  <davidm@hpl.hp.com>
        * ia64-tdep.c: Include elf.h.
        [HAVE_LIBUNWIND_IA64_H]: Include libunwind-frame.h and
        libunwind-ia64.h.
        (ia64_rse_slot_num, ia64_rse_skip_regs): New for libunwind support.
        (ia64_gdb2uw_regnum, ia64_uw2gdb_regnum): Ditto.
        (ia64_is_fpreg, ia64_access_reg): Ditto.
        (ia64_access_fpreg, ia64_access_mem): Ditto.
        (get_kernel_table): Ditto.
        (ia64_find_unwind_table): Ditto.
        (ia64_find_proc_info_x, ia64_put_unwind_info): Ditto.
        (ia64_get_dyn_info_list, ia64_libunwind_frame_this_id): Ditto.
        (ia64_libunwind_frame_prev_register): Ditto.
        (ia64_libunwind_frame_sniffer): Ditto.
        (ia64_gdbarch_init)[HAVE_LIBUNWIND_IA64_H]: Add libunwind frame
        sniffer.  Register libunwind functions needed by generic
        libunwind frame code using libunwind_frame_set_descr().