/*- * Test 0040: BPF_ALU+BPF_NEG * * $FreeBSD$ */ /* BPF program */ struct bpf_insn pc[] = { BPF_STMT(BPF_LD+BPF_IMM, 0x21523f22), BPF_STMT(BPF_ALU+BPF_NEG, 0), BPF_STMT(BPF_RET+BPF_A, 0), }; /* Packet */ u_char pkt[] = { 0x00, }; /* Packet length seen on wire */ u_int wirelen = sizeof(pkt); /* Packet length passed on buffer */ u_int buflen = sizeof(pkt); /* Invalid instruction */ int invalid = 0; /* Expected return value */ u_int expect = 0xdeadc0de; /* Expected signal */ int expect_signal = 0;