1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31 #include "it_test_vm.h"
32
33 #define MAP_ARRAY_SIZE 9
34 #define MAP_FLAGS (MAP_ANONYMOUS | MAP_PRIVATE)
35
36 static const struct {
37 void *addr;
38 int ret;
39 unsigned int flags;
40 } g_gMmapTests[MAP_ARRAY_SIZE] = {
41 {(void *)0, 0, MAP_FLAGS},
42 {(void *)1, -1, MAP_FLAGS | MAP_FIXED},
43 {(void *)(PAGE_SIZE - 1), -1, MAP_FLAGS | MAP_FIXED},
44 {(void *)PAGE_SIZE, -1, MAP_FLAGS | MAP_FIXED},
45 {(void *)-1, 0, MAP_FLAGS},
46 {(void *)(-PAGE_SIZE), -1, MAP_FLAGS | MAP_FIXED},
47 {(void *)(-1 - PAGE_SIZE), -1, MAP_FLAGS | MAP_FIXED},
48 {(void *)(-1 - PAGE_SIZE - 1), -1, MAP_FLAGS | MAP_FIXED},
49 {(void *)(0x1000 * PAGE_SIZE), 0, MAP_FLAGS | MAP_FIXED},
50 };
51
Testcase(void)52 static int Testcase(void)
53 {
54 void *p = NULL;
55 int i;
56 int ret;
57 int count = sizeof(g_gMmapTests) / sizeof(g_gMmapTests[0]);
58 void *array[MAP_ARRAY_SIZE] = {NULL};
59
60 for (i = 0; i < count; i++) {
61 p = mmap((void *)g_gMmapTests[i].addr, PAGE_SIZE, PROT_READ | PROT_WRITE | PROT_EXEC, g_gMmapTests[i].flags, -1,
62 0);
63 ret = (p == MAP_FAILED) ? -1 : 0;
64 ICUNIT_ASSERT_EQUAL(g_gMmapTests[i].ret, ret, p);
65 array[i] = p;
66 }
67
68 for (i = 0; i < count; i++) {
69 if (array[i] == MAP_FAILED) {
70 continue;
71 }
72 ret = munmap(array[i], PAGE_SIZE);
73 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
74 }
75
76 return 0;
77 }
78
ItTestMmap001(void)79 void ItTestMmap001(void)
80 {
81 TEST_ADD_CASE("IT_MEM_MMAP_001", Testcase, TEST_LOS, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
82 }
83