/* * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. * Copyright (c) 2020-2021 Huawei Device Co., Ltd. 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. Neither the name of the copyright holder nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "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 COPYRIGHT HOLDER OR * CONTRIBUTORS 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 "it_test_vm.h" #define MAP_ARRAY_SIZE 9 #define MAP_FLAGS (MAP_ANONYMOUS | MAP_PRIVATE) static const struct { void *addr; int ret; unsigned int flags; } g_gMmapTests[MAP_ARRAY_SIZE] = { {(void *)0, 0, MAP_FLAGS}, {(void *)1, -1, MAP_FLAGS | MAP_FIXED}, {(void *)(PAGE_SIZE - 1), -1, MAP_FLAGS | MAP_FIXED}, {(void *)PAGE_SIZE, -1, MAP_FLAGS | MAP_FIXED}, {(void *)-1, 0, MAP_FLAGS}, {(void *)(-PAGE_SIZE), -1, MAP_FLAGS | MAP_FIXED}, {(void *)(-1 - PAGE_SIZE), -1, MAP_FLAGS | MAP_FIXED}, {(void *)(-1 - PAGE_SIZE - 1), -1, MAP_FLAGS | MAP_FIXED}, {(void *)(0x1000 * PAGE_SIZE), 0, MAP_FLAGS | MAP_FIXED}, }; static int Testcase(void) { void *p = NULL; int i; int ret; int count = sizeof(g_gMmapTests) / sizeof(g_gMmapTests[0]); void *array[MAP_ARRAY_SIZE] = {NULL}; for (i = 0; i < count; i++) { p = mmap((void *)g_gMmapTests[i].addr, PAGE_SIZE, PROT_READ | PROT_WRITE | PROT_EXEC, g_gMmapTests[i].flags, -1, 0); ret = (p == MAP_FAILED) ? -1 : 0; ICUNIT_ASSERT_EQUAL(g_gMmapTests[i].ret, ret, p); array[i] = p; } for (i = 0; i < count; i++) { if (array[i] == MAP_FAILED) { continue; } ret = munmap(array[i], PAGE_SIZE); ICUNIT_ASSERT_EQUAL(ret, 0, ret); } return 0; } void ItTestMmap001(void) { TEST_ADD_CASE("IT_MEM_MMAP_001", Testcase, TEST_LOS, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION); }