case DW_OP_call_ref: return "DW_OP_call_ref";
case DW_OP_form_tls_address: return "DW_OP_form_tls_address";
case DW_OP_call_frame_cfa: return "DW_OP_call_frame_cfa";
+ case DW_OP_bit_piece: return "DW_OP_bit_piece";
case DW_OP_lo_user: return "DW_OP_lo_user";
case DW_OP_hi_user: return "DW_OP_hi_user";
}