wrp_immed_relo
wrp_immed_relo(nfp_prog, reg_b(0), ret_tgt, RELO_IMMED_REL);
wrp_immed_relo(nfp_prog, reg_b(0), ret_tgt, RELO_IMMED_REL);
wrp_immed_relo(nfp_prog, imm_b(nfp_prog), 0, RELO_IMMED_REL);
wrp_immed_relo(nfp_prog, ret_reg(nfp_prog), ret_tgt, RELO_IMMED_REL);