* objcopy.c (keep_specific_list, privatize_specific_list,

    * objcopy.c (keep_specific_list, privatize_specific_list,
        weaken_specific_list): New variables.
        (keep_symbols): Removed.
        (add_specific_symbol): New function from the carcas of
        add_strip_symbol.  Takes a list as an argument.
        (is_specified_symbol): Likewise from is_strip_symbol.
        (filter_symbols): Honor the new privatize and weaken lists.
        Optimize bfd_asymbol_name handling.
        (copy_object, copy_options, copy_usage): Add privatize-symbol &
        weaken-symbol options.

        * objcopy.1, binutils.texi: Update docs.