1 /**
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <dlfcn.h>
17 #include <link.h>
18 #include <stdlib.h>
19 #include "functionalext.h"
20
header_handler(struct dl_phdr_info * info,size_t size,void * data)21 static int header_handler(struct dl_phdr_info *info, size_t size, void *data)
22 {
23 void *addrhead = (void *)(info->dlpi_addr + info->dlpi_phdr[0].p_vaddr);
24 if ((strcmp(info->dlpi_name, "/data/libtest.so") == 0) && (addrhead != NULL)) {
25 return 1;
26 }
27 return 0;
28 }
29
30 /**
31 * @tc.name : dl_iterate_phdr_0100
32 * @tc.desc : The parameter is valid, get the starting address of the dynamic library loaded in the memory.
33 * @tc.level : Level 0
34 */
dl_iterate_phdr_0100(void)35 void dl_iterate_phdr_0100(void)
36 {
37 system("cp /system/lib/libutils.z.so /data/libtest.so");
38 void *handle = dlopen("/data/libtest.so", RTLD_NOW);
39 int ret = 0;
40 ret = dl_iterate_phdr(header_handler, NULL);
41 EXPECT_EQ("dl_iterate_phdr_0100", (int)ret, 1);
42 system("rm -rf /data/libtest.so");
43 exit(EXIT_SUCCESS);
44 }
45
main(int argc,char * argv[])46 int main(int argc, char *argv[])
47 {
48 dl_iterate_phdr_0100();
49 return t_status;
50 }