2 * Check decoding of fanotify_init syscall.
4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
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32 #include <asm/unistd.h>
34 #if defined __NR_fanotify_init
40 /* Performs fanotify_init call via the syscall interface. */
42 do_call(kernel_ulong_t flags, const char *flags_str,
43 kernel_ulong_t event_f_flags, const char *event_f_flags_str)
47 rc = syscall(__NR_fanotify_init, flags, event_f_flags);
49 printf("fanotify_init(%s, %s) = %s\n",
50 flags_str, event_f_flags_str, sprintrc(rc));
62 static const struct strval flags[] = {
63 { F8ILL_KULONG_MASK, "FAN_CLASS_NOTIF" },
64 { (kernel_ulong_t) 0xffffffff0000000cULL,
65 "0xc /* FAN_CLASS_??? */" },
66 { (kernel_ulong_t) 0xdec0deddefaced04ULL,
67 "FAN_CLASS_CONTENT|0xefaced00 /* FAN_??? */" },
68 { (kernel_ulong_t) 0xffffffffffffffffULL,
69 "0xc /* FAN_CLASS_??? */|FAN_CLOEXEC|FAN_NONBLOCK|"
70 "FAN_UNLIMITED_QUEUE|FAN_UNLIMITED_MARKS|0xffffffc0" },
72 static const struct strval event_f_flags[] = {
73 { F8ILL_KULONG_MASK, "O_RDONLY" },
74 { (kernel_ulong_t) 0xdeadbeef80000001ULL,
75 "O_WRONLY|0x80000000" }
82 for (i = 0; i < ARRAY_SIZE(flags); i++)
83 for (j = 0; j < ARRAY_SIZE(event_f_flags); j++)
84 do_call(flags[i].val, flags[i].str,
85 event_f_flags[j].val, event_f_flags[j].str);
87 puts("+++ exited with 0 +++");
93 SKIP_MAIN_UNDEFINED("__NR_fanotify_init")