* config/tc-cr16.h (GLOBAL_OFFSET_TABLE_NAME): Defined

    * config/tc-cr16.h (GLOBAL_OFFSET_TABLE_NAME): Defined
        * config/tc-cr16.c (md_pseudo_table): Add "4byte" directive to
        md_pseudo_table and accept @c prefix, same as long directive.
        (cr16_cons_fix_new): Initialize rtype to BFD_RELOC_UNUSED.
        config/tc-cr16.c (tc_gen_reloc): Declare a variable of type
        bfd_reloc_code_real_type and set it for GOT related relocations.
        (md_undefined_symbol): Defined
        (process_label_constant): Added checks for GOT/got and cGOT/cGOT
        prefixes with constant label and set the appropriate relocation type.
        * doc/c-cr16.texi (cr16-operand specifiers): Add got/GOT and cgot/cGOT.