tools/regression/bpf/bpf_filter/tests/test0076.h

   1 /*-
   2  * Test 0076:   Check boundary conditions (BPF_LDX+BPF_MEM)
   3  *
   4  * $FreeBSD$
   5  */
   6
   7 /* BPF program */
   8 static struct bpf_insn  pc[] = {
   9         BPF_STMT(BPF_LD+BPF_IMM, 0xdeadc0de),
  10         BPF_STMT(BPF_LDX+BPF_MEM, 0x8fffffff),
  11         BPF_STMT(BPF_MISC+BPF_TXA, 0),
  12         BPF_STMT(BPF_RET+BPF_A, 0),
  13 };
  14
  15 /* Packet */
  16 static u_char   pkt[] = {
  17         0x00,
  18 };
  19
  20 /* Packet length seen on wire */
  21 static u_int    wirelen =       sizeof(pkt);
  22
  23 /* Packet length passed on buffer */
  24 static u_int    buflen =        sizeof(pkt);
  25
  26 /* Invalid instruction */
  27 static int      invalid =       1;
  28
  29 /* Expected return value */
  30 static u_int    expect =        0xdeadc0de;
  31
  32 /* Expected signal */
  33 #ifdef __amd64__
  34 static int      expect_signal = SIGBUS;
  35 #else
  36 static int      expect_signal = SIGSEGV;
  37 #endif