1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #include <dlfcn.h>
17 #include <stdio.h>
18 
19 extern int test_dlsym_symbol;
20 
21 int test_dlsym_symbol = -1;
22 
lookup_dlsym_symbol_using_RTLD_DEFAULT()23 extern "C" int* lookup_dlsym_symbol_using_RTLD_DEFAULT() {
24   dlerror();
25   int* result = static_cast<int*>(dlsym(RTLD_DEFAULT, "test_dlsym_symbol"));
26   // TODO: remove this once b/20049306 is fixed
27   if (result == nullptr) {
28     printf("Cannot find the answer\n");
29   }
30   return result;
31 }
32 
lookup_dlsym_symbol2_using_RTLD_DEFAULT()33 extern "C" int* lookup_dlsym_symbol2_using_RTLD_DEFAULT() {
34   dlerror();
35   int* result = static_cast<int*>(dlsym(RTLD_DEFAULT, "test_dlsym_symbol2"));
36   // TODO: remove this once b/20049306 is fixed
37   if (result == nullptr) {
38     printf("Cannot find the answer\n");
39   }
40   return result;
41 }
42 
lookup_dlsym_symbol_using_RTLD_NEXT()43 extern "C" int* lookup_dlsym_symbol_using_RTLD_NEXT() {
44   dlerror();
45   int* result = static_cast<int*>(dlsym(RTLD_NEXT, "test_dlsym_symbol"));
46   // TODO: remove this once b/20049306 is fixed
47   if (result == nullptr) {
48     printf("Cannot find the answer\n");
49   }
50   return result;
51 }
52 
53