/*- * Test 0012: BPF_LDX+BPF_MSH+BPF_B * * $FreeBSD$ */ /* BPF program */ static struct bpf_insn pc[] = { BPF_STMT(BPF_LDX+BPF_MSH+BPF_B, 1), BPF_STMT(BPF_MISC+BPF_TXA, 0), BPF_STMT(BPF_RET+BPF_A, 0), }; /* Packet */ static u_char pkt[] = { 0x01, 0x23, }; /* Packet length seen on wire */ static u_int wirelen = sizeof(pkt); /* Packet length passed on buffer */ static u_int buflen = sizeof(pkt); /* Invalid instruction */ static int invalid = 0; /* Expected return value */ static u_int expect = (0x23 & 0xf) << 2; /* Expected signal */ static int expect_signal = 0;