function foo:long (x:long) %{ /* bpf */
  call, -, printf, "x = 0x%p causing exit\n", $x, $x, $x, $x;
  0xb7, $$, -, -, 0x0; /* mov $$, 0 */
%}

probe begin {
  printf("U x = 10 should print:\n"); foo(10)
  exit()
}
