tests: check decoding of fanotify_init syscall

* tests/fanotify_init.c: New file.
* tests/fanotify_init.test: New test.
* tests/.gitignore: Add fanotify_init.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add fanotify_init.test.

1 files changed, 97 insertions, 0 deletions

diff --git a/tests/fanotify_init.c b/tests/fanotify_init.c
new file mode 100644
index 000000000..f784e1954
--- /dev/null
+++ b/tests/fanotify_init.c
@@ -0,0 +1,97 @@
+/*
+ * Check decoding of fanotify_init syscall.
+ *
+ * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "tests.h"
+
+#include <asm/unistd.h>
+
+#if defined __NR_fanotify_init
+
+# include <limits.h>
+# include <stdio.h>
+# include <unistd.h>
+
+# include "kernel_types.h"
+
+/* Performs fanotify_init call via the syscall interface. */
+static void
+do_call(kernel_ulong_t flags, const char *flags_str,
+	kernel_ulong_t event_f_flags, const char *event_f_flags_str)
+{
+	long rc;
+
+	rc = syscall(__NR_fanotify_init, flags, event_f_flags);
+
+	printf("fanotify_init(%s, %s) = %s\n",
+	       flags_str, event_f_flags_str, sprintrc(rc));
+}
+
+struct strval {
+	kernel_ulong_t val;
+	const char *str;
+};
+
+
+int
+main(void)
+{
+	static const struct strval flags[] = {
+		{ (kernel_ulong_t) 0xffffffff00000000ULL, "FAN_CLASS_NOTIF" },
+		{ (kernel_ulong_t) 0xffffffff0000000cULL,
+			"0xc /* FAN_CLASS_??? */" },
+		{ (kernel_ulong_t) 0xdec0deddefaced04ULL,
+			"FAN_CLASS_CONTENT|0xefaced00 /* FAN_??? */" },
+		{ (kernel_ulong_t) 0xffffffffffffffffULL,
+			"0xc /* FAN_CLASS_??? */|FAN_CLOEXEC|FAN_NONBLOCK|"
+			"FAN_UNLIMITED_QUEUE|FAN_UNLIMITED_MARKS|0xffffffc0" },
+	};
+	static const struct strval event_f_flags[] = {
+		{ (kernel_ulong_t) 0xffffffff00000000ULL, "O_RDONLY" },
+		{ (kernel_ulong_t) 0xdeadbeef80000001ULL,
+			"O_WRONLY|0x80000000" }
+	};
+
+	unsigned int i;
+	unsigned int j;
+
+
+	for (i = 0; i < ARRAY_SIZE(flags); i++)
+		for (j = 0; j < ARRAY_SIZE(event_f_flags); j++)
+			do_call(flags[i].val, flags[i].str,
+				event_f_flags[j].val, event_f_flags[j].str);
+
+	puts("+++ exited with 0 +++");
+	return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_fanotify_init")
+
+#endif