636 	uint32_t K = f->k;  in bpf_single_step()  local
641 		r->R = K;  in bpf_single_step()
659 		r->M[K] = r->A;  in bpf_single_step()
662 		r->M[K] = r->X;  in bpf_single_step()
665 		d = pkt_caplen - K;  in bpf_single_step()
667 			r->A = extract_u32(pkt, K);  in bpf_single_step()
672 		d = pkt_caplen - K;  in bpf_single_step()
674 			r->A = extract_u16(pkt, K);  in bpf_single_step()
679 		d = pkt_caplen - K;  in bpf_single_step()
681 			r->A = extract_u8(pkt, K);  in bpf_single_step()
686 		d = pkt_caplen - (r->X + K);  in bpf_single_step()
688 			r->A = extract_u32(pkt, r->X + K);  in bpf_single_step()
691 		d = pkt_caplen - (r->X + K);  in bpf_single_step()
693 			r->A = extract_u16(pkt, r->X + K);  in bpf_single_step()
698 		d = pkt_caplen - (r->X + K);  in bpf_single_step()
700 			r->A = extract_u8(pkt, r->X + K);  in bpf_single_step()
705 		d = pkt_caplen - K;  in bpf_single_step()
707 			r->X = extract_u8(pkt, K);  in bpf_single_step()
719 		r->A = K;  in bpf_single_step()
722 		r->X = K;  in bpf_single_step()
725 		r->A = r->M[K];  in bpf_single_step()
728 		r->X = r->M[K];  in bpf_single_step()
731 		r->Pc += K;  in bpf_single_step()
737 		r->Pc += r->A > K ? f->jt : f->jf;  in bpf_single_step()
743 		r->Pc += r->A >= K ? f->jt : f->jf;  in bpf_single_step()
749 		r->Pc += r->A == K ? f->jt : f->jf;  in bpf_single_step()
755 		r->Pc += r->A & K ? f->jt : f->jf;  in bpf_single_step()
764 		r->A <<= K;  in bpf_single_step()
770 		r->A >>= K;  in bpf_single_step()
776 		r->A += K;  in bpf_single_step()
782 		r->A -= K;  in bpf_single_step()
788 		r->A *= K;  in bpf_single_step()
799 		if (K == 0) {  in bpf_single_step()
809 			r->A /= K;  in bpf_single_step()
815 			r->A %= K;  in bpf_single_step()
823 		r->A &= K;  in bpf_single_step()
829 		r->A |= K;  in bpf_single_step()
835 		r->A ^= K;  in bpf_single_step()