1 /*
2  * Check decoding of fadvise64_64 syscall.
3  *
4  * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
5  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include "tests.h"
32 
33 #include <asm/unistd.h>
34 
35 #ifdef __arm__
36 # ifdef __NR_arm_fadvise64_64
37 #  undef __NR_fadvise64_64
38 #  define __NR_fadvise64_64 __NR_arm_fadvise64_64
39 # endif /* __NR_arm_fadvise64_64 */
40 #endif /* __arm__ */
41 
42 #ifdef __NR_fadvise64_64
43 
44 # include "fadvise.h"
45 
46 static void
47 do_fadvise(long fd, long long offset, long long llen, long advice)
48 {
49 	long ret;
50 	const char *errstr;
51 
52 # if (LONG_MAX > INT_MAX) \
53   || (defined __x86_64__ && defined __ILP32__) \
54   || defined LINUX_MIPSN32
55 	ret = syscall(__NR_fadvise64_64, fd, offset, llen, advice);
56 # elif defined __ARM_EABI__ || defined POWERPC || defined XTENSA
57 	ret = syscall(__NR_fadvise64_64, fd, advice,
58 		      LL_VAL_TO_PAIR(offset), LL_VAL_TO_PAIR(llen));
59 # else
60 	ret = syscall(__NR_fadvise64_64, fd,
61 		      LL_VAL_TO_PAIR(offset), LL_VAL_TO_PAIR(llen), advice);
62 # endif
63 	errstr = sprintrc(ret);
64 
65 	printf("fadvise64_64(%d, %lld, %lld, ", (int) fd, offset, llen);
66 	printxval(advise, (unsigned) advice, "POSIX_FADV_???");
67 	printf(") = %s\n", errstr);
68 }
69 
70 #else
71 
72 SKIP_MAIN_UNDEFINED("__NR_fadvise64_64");
73 
74 #endif
75