* readelf.c (do_debug_frames_interp): New.

    * readelf.c (do_debug_frames_interp): New.
        (byte_get_little_endian): If BFD64, always read entire 8-byte fields.
        (byte_get_big_endian): Likewise.
        (parse_args) ['F']: Set do_debug_frames_interp.
        (Frame_Chunk): Make data_factor signed, add fde_encoding.
        (frame_display_row): Don't trunc pc_begin to int.
        (size_of_encoded_value): New.
        (display_debug_frames): Handle 64-bit targets.  Print raw data
        unless do_debug_frames_interp.
        (debug_displays): Remove duplicate .debug_frame.