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_OFFSET 0x1000
34 #define MAP_ADDR 0x1200000
35 #define MAP_LEN 0x2000
36
Testcase(void)37 static int Testcase(void)
38 {
39 unsigned long fixAddr = MAP_ADDR;
40 unsigned int len = MAP_LEN;
41 unsigned int flags = MAP_ANON | MAP_SHARED;
42 void *mem = NULL;
43 void *memFix = NULL;
44 void *memNoFix = NULL;
45 void *pre = NULL;
46 void *next = NULL;
47 void *overlay = NULL;
48 int ret;
49
50 mem = mmap((void *)fixAddr, len, PROT_READ | PROT_WRITE, flags | MAP_FIXED, -1, 0);
51 ICUNIT_GOTO_NOT_EQUAL(mem, MAP_FAILED, mem, EXIT);
52
53 memFix = mmap((void *)fixAddr, len, PROT_READ | PROT_WRITE, flags | MAP_FIXED, -1, 0);
54 ICUNIT_GOTO_NOT_EQUAL(memFix, MAP_FAILED, memFix, EXIT1);
55 ICUNIT_ASSERT_EQUAL(mem, memFix, mem);
56
57 memNoFix = mmap((void *)fixAddr, len, PROT_READ | PROT_WRITE, flags | MAP_FIXED_NOREPLACE, -1, 0);
58 ICUNIT_ASSERT_EQUAL(memNoFix, MAP_FAILED, memNoFix);
59
60 memNoFix = mmap((void *)(fixAddr - MAP_OFFSET), len, PROT_READ | PROT_WRITE, flags | MAP_FIXED_NOREPLACE, -1, 0);
61 ICUNIT_ASSERT_EQUAL(memNoFix, MAP_FAILED, memNoFix);
62
63 memNoFix = mmap((void *)(fixAddr + MAP_OFFSET), len, PROT_READ | PROT_WRITE, flags | MAP_FIXED_NOREPLACE, -1, 0);
64 ICUNIT_ASSERT_EQUAL(memNoFix, MAP_FAILED, memNoFix);
65
66 memNoFix = mmap((void *)(fixAddr - MAP_OFFSET), len + MAP_OFFSET, PROT_READ | PROT_WRITE,
67 flags | MAP_FIXED_NOREPLACE, -1, 0);
68 ICUNIT_ASSERT_EQUAL(memNoFix, MAP_FAILED, memNoFix);
69
70 ret = munmap(mem, len);
71 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
72 return LOS_OK;
73 EXIT1:
74 ret = munmap(mem, len);
75 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
76 return LOS_NOK;
77 EXIT:
78 return LOS_NOK;
79 }
80
ItTestMmap008(void)81 void ItTestMmap008(void)
82 {
83 TEST_ADD_CASE("IT_MEM_MMAP_008", Testcase, TEST_LOS, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
84 }
85