Two modifications:
1. The addition of 2013 to the copyright year range for every file;
2. The use of a single year range, instead of potentially multiple
year ranges, as approved by the FSF.
* libunwind-frame.c: Rename to ...
* ia64-libunwind-tdep.c: ... here.
* libunwind-frame.h: Rename to ...
* ia64-libunwind-tdep.h: ... here.
* Makefile.in (HFILES_NO_SRCDIR): Rename libunwind-frame.h to
ia64-libunwind-tdep.h.
(ALLDEPFILES): Rename libunwind-frame.c to ia64-libunwind-tdep.c.
* README (--with-libunwind): Rename to ...
(--with-libunwind-ia64): ... here, note it is ia64 specific now.
* config.in: Regenerate.
* configure: Regenerate.
* configure.ac: New option --with-libunwind-ia64, make the
AS_HELP_STRING ia64 specific. Deprecate option --with-libunwind.
Remove AC_DEFINE for HAVE_LIBUNWIND.
* ia64-libunwind-tdep.c: Make the file top comment ia64 specific.
Rename libunwind-frame.h #include to ia64-libunwind-tdep.h.
Rename libunwind-frame in the general comment.
* ia64-libunwind-tdep.h: Make the file top comment ia64 specific.
Rename symbol LIBUNWIND_FRAME_H to IA64_TDEP_LIBUNWIND_FRAME_H.
Move forward declarations inside #ifndef. Rename libunwind-frame in
the general comment.
* ia64-tdep.c: Rename libunwind-frame.h #include to
ia64-libunwind-tdep.h.
(ia64_gdb2uw_regnum, ia64_uw2gdb_regnum, ia64_is_fpreg)
(ia64_libunwind_descr): Rename libunwind-frame to
ia64-libunwind-tdep in these function comments.
* ia64-tdep.h: Rename libunwind-frame.h #include to
ia64-libunwind-tdep.h.
* ia64-vms-tdep.c (ia64_vms_libunwind_descr): Rename libunwind-frame to
ia64-libunwind-tdep in that data comment.
