As requested, here is the other part of the libunwind patch to the ia64-tdep.c file.

2003-10-23  Jeff Johnston  <jjohnstn@redhat.com>
             David Mosberger  <davidm@hpl.hp.com>

	* ia64-tdep.c: Include <fcntl.h>, elf.h, and <sys/mman.h>.
	[HAVE_LIBUNWIND_IA64_H]: Include libunwind-frame.h and libunwind-ia64.h.
	(ia64_getunwind): New function for libunwind support.
	(ia64_rse_slot_num, ia64_rse_skip_regs): Ditto.
	(ia64_gdb2uw_regnum, ia64_uw2gdb_regnum): Ditto.
	(ia64_is_fpreg, ia64_access_reg): Ditto.
	(ia64_access_fpreg, ia64_access_mem): Ditto.
	(get_kernel_table, map_segment): Ditto.
	(map_info_free, 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,
	(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().

Ok to commit?  Questions regarding this in conjunction with the generic 
libunwind frame code?

-- Jeff J.