xref: /aosp_15_r20/art/libnativeloader/test/libsystem_testlib.cc (revision 795d594fd825385562da6b089ea9b2033f3abf5a)
1 /*
2  * Copyright (C) 2022 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 
17 #include <dlfcn.h>
18 
19 #include "log/log.h"
20 
ctor()21 static void __attribute__((constructor)) ctor() {
22   // Load a library that should be available to system libraries through a
23   // linked namespace (i.e. is not directly in /system/${LIB}), and that is not
24   // in public.libraries.txt. We use a real one to avoid having to set up an
25   // APEX test fixture and rerun linkerconfig.
26   void* h = dlopen("libandroidicu.so", RTLD_NOW);
27   if (h == nullptr) {
28     LOG_ALWAYS_FATAL("Failed to load dependency: %s", dlerror());
29   }
30   dlclose(h);
31 }
32