1 /*
2  * Copyright (c) 2021-2021 Huawei Device Co., Ltd. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without modification,
5  * are permitted provided that the following conditions are met:
6  *
7  * 1. Redistributions of source code must retain the above copyright notice, this list of
8  *    conditions and the following disclaimer.
9  *
10  * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11  *    of conditions and the following disclaimer in the documentation and/or other materials
12  *    provided with the distribution.
13  *
14  * 3. Neither the name of the copyright holder nor the names of its contributors may be used
15  *    to endorse or promote products derived from this software without specific prior written
16  *    permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
22  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
27  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
28  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 #include "los_dynlink.h"
31 #include "It_los_dynlink.h"
32 
33 /* Test that global and static symbol to find */
TestCasenull34 STATIC UINT32 TestCase(VOID)
35 {
36     VOID *handle = NULL;
37     INT32 (*func)(INT32, INT32) = NULL;
38     INT32 *pValueAddr = NULL;
39     INT32 *pStaticValueAddr = NULL;
40     CHAR *symbolName1 = "add_test";
41     CHAR *symbolName2 = "static_sub_test";
42     CHAR *symbolName3 = "g_param";
43     CHAR *symbolName4 = "staticParam";
44     CHAR *dsoName = DSO_FULL_PATH("dynamic_static.so");
45     INT32 ret;
46 
47     handle = (VOID *)LOS_SoLoad(dsoName, NULL);
48     ICUNIT_ASSERT_NOT_EQUAL(handle, NULL, handle);
49 
50     func = (INT32 (*)(INT32, INT32))LOS_FindSym(handle, symbolName1);
51     ICUNIT_GOTO_NOT_EQUAL(func, NULL, func, EXIT);
52     ret = func(55, 66);
53     ICUNIT_GOTO_EQUAL(ret, 122, ret, EXIT);
54 
55     func = (INT32 (*)(INT32, INT32))LOS_FindSym(handle, symbolName2);
56     ICUNIT_GOTO_EQUAL(func, NULL, func, EXIT);
57 
58     pValueAddr = LOS_FindSym(handle, symbolName3);
59     ICUNIT_GOTO_NOT_EQUAL(pValueAddr, NULL, pValueAddr, EXIT);
60     ICUNIT_GOTO_EQUAL(*pValueAddr, 10, *pValueAddr, EXIT);
61 
62     pStaticValueAddr = LOS_FindSym(handle, symbolName4);
63     ICUNIT_GOTO_EQUAL(pStaticValueAddr, NULL, pStaticValueAddr, EXIT);
64 
65 EXIT:
66     ret = LOS_SoUnload(handle);
67     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
68 
69     return LOS_OK;
70 }
71 
ItLosDynlink014null72 VOID ItLosDynlink014(VOID)
73 {
74     TEST_ADD_CASE("ItLosDynlink014", TestCase, TEST_LOS, TEST_DYNLINK, TEST_LEVEL1, TEST_FUNCTION);
75 }
76