1 /*
2  * Copyright (C) 2020 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 #pragma once
18 
19 #include <stdlib.h>
20 #include <iostream>
21 
22 #ifdef BINDER_IPC_32BIT
23 static constexpr bool kBuild32Abi = true;
24 #else
25 static constexpr bool kBuild32Abi = false;
26 #endif
27 
28 // TODO: remove when CONFIG_ANDROID_BINDER_IPC_32BIT is no longer supported
ReadKernelConfigIs32BitAbi()29 static inline bool ReadKernelConfigIs32BitAbi() {
30     // failure case implies we run with standard ABI
31     return 0 == system("zcat /proc/config.gz | grep -E \"^CONFIG_ANDROID_BINDER_IPC_32BIT=y$\"");
32 }
33 
ExitIfWrongAbi()34 static inline void ExitIfWrongAbi() {
35     bool runtime32Abi = ReadKernelConfigIs32BitAbi();
36 
37     if (kBuild32Abi != runtime32Abi) {
38         std::cout << "[==========] Running 1 test from 1 test suite." << std::endl;
39         std::cout << "[----------] Global test environment set-up." << std::endl;
40         std::cout << "[----------] 1 tests from BinderLibTest" << std::endl;
41         std::cout << "[ RUN      ] BinderTest.AbortForWrongAbi" << std::endl;
42         std::cout << "[ INFO     ] test build abi 32: " << kBuild32Abi << " runtime abi 32: " << runtime32Abi << " so, skipping tests " << std::endl;
43         std::cout << "[       OK ] BinderTest.AbortForWrongAbi (0 ms) " << std::endl;
44         std::cout << "[----------] 1 tests from BinderTest (0 ms total)" << std::endl;
45         std::cout << "" << std::endl;
46         std::cout << "[----------] Global test environment tear-down" << std::endl;
47         std::cout << "[==========] 1 test from 1 test suite ran. (0 ms total)" << std::endl;
48         std::cout << "[  PASSED  ] 1 tests." << std::endl;
49         exit(0);
50     }
51 }
52 
53