1 /*
2 * Check decoding of remap_file_pages syscall.
3 *
4 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #include "tests.h"
31 #include <asm/unistd.h>
32
33 #ifdef __NR_remap_file_pages
34
35 # include <stdio.h>
36 # include <sys/mman.h>
37 # include <unistd.h>
38
39 int
main(void)40 main(void)
41 {
42 const unsigned long addr = (unsigned long) 0xfacefeeddeadbeefULL;
43 const unsigned long size = (unsigned long) 0xdefaced1bad2f00dULL;
44 const unsigned long prot = PROT_READ|PROT_WRITE|PROT_EXEC;
45 const unsigned long pgoff = (unsigned long) 0xcaf3babebad4deedULL;
46 const unsigned long flags = MAP_PRIVATE|MAP_ANONYMOUS;
47
48 long rc = syscall(__NR_remap_file_pages, addr, size, prot, pgoff, flags);
49 printf("remap_file_pages(%#lx, %lu, %s, %lu, %s) = %ld %s (%m)\n",
50 addr, size, "PROT_READ|PROT_WRITE|PROT_EXEC", pgoff,
51 "MAP_PRIVATE|MAP_ANONYMOUS", rc, errno2name());
52
53 puts("+++ exited with 0 +++");
54 return 0;
55 }
56
57 #else
58
59 SKIP_MAIN_UNDEFINED("__NR_remap_file_pages")
60
61 #endif
62