1 /* 2 * Copyright (c) 2023 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 <gtest/gtest.h> 17 18 #include <cstdio> 19 #include <thread> 20 #include <unistd.h> 21 #include <malloc.h> 22 #include <securec.h> 23 #include "dfx_ptrace.h" 24 #include "dfx_regs_get.h" 25 #include "unwinder.h" 26 #include "dfx_test_util.h" 27 28 using namespace testing; 29 using namespace testing::ext; 30 31 namespace OHOS { 32 namespace HiviewDFX { 33 #undef LOG_DOMAIN 34 #undef LOG_TAG 35 #define LOG_TAG "DfxUnwinderPacTest" 36 #define LOG_DOMAIN 0xD002D11 37 38 class UnwinderPacTest : public testing::Test { 39 public: SetUpTestCase()40 static void SetUpTestCase() {} TearDownTestCase()41 static void TearDownTestCase() {} SetUp()42 void SetUp() {} TearDown()43 void TearDown() {} 44 }; 45 46 /** 47 * @tc.name: UnwinderPacTest001 48 * @tc.desc: test unwinder unwind interface with pac 49 * @tc.type: FUNC 50 */ 51 HWTEST_F(UnwinderPacTest, UnwinderPacTest001, TestSize.Level0) 52 { 53 GTEST_LOG_(INFO) << "UnwinderPacTest001: start."; 54 static pid_t pid = getpid(); 55 pid_t child = fork(); 56 if (child == 0) { 57 GTEST_LOG_(INFO) << "pid: " << pid << ", ppid:" << getppid(); 58 auto unwinder = std::make_shared<Unwinder>(pid); 59 bool unwRet = DfxPtrace::Attach(pid); 60 EXPECT_EQ(true, unwRet) << "UnwinderPacTest001: Attach:" << unwRet; 61 auto regs = DfxRegs::CreateRemoteRegs(pid); 62 auto maps = DfxMaps::Create(pid); 63 unwinder->SetRegs(regs); 64 UnwindContext context; 65 context.pid = pid; 66 context.regs = regs; 67 context.maps = maps; 68 unwRet = unwinder->Unwind(&context); 69 EXPECT_EQ(true, unwRet) << "UnwinderPacTest001: Unwind:" << unwRet; 70 auto frames = unwinder->GetFrames(); 71 EXPECT_GT(frames.size(), 1); 72 GTEST_LOG_(INFO) << "frames:\n" << Unwinder::GetFramesStr(frames); 73 DfxPtrace::Detach(pid); 74 CheckAndExit(HasFailure()); 75 } 76 int status; 77 wait(&status); 78 ASSERT_EQ(status, 0); 79 GTEST_LOG_(INFO) << "UnwinderPacTest001: end."; 80 } 81 82 /** 83 * @tc.name: UnwinderPacTest002 84 * @tc.desc: test unwinder FpStep interface with pac 85 * @tc.type: FUNC 86 */ 87 HWTEST_F(UnwinderPacTest, UnwinderPacTest002, TestSize.Level2) 88 { 89 GTEST_LOG_(INFO) << "UnwinderPacTest002: start."; 90 #if defined(__aarch64__) 91 static pid_t pid = getpid(); 92 pid_t child = fork(); 93 if (child == 0) { 94 GTEST_LOG_(INFO) << "pid: " << pid << ", ppid:" << getppid(); 95 auto unwinder = std::make_shared<Unwinder>(pid); 96 bool unwRet = DfxPtrace::Attach(pid); 97 EXPECT_EQ(true, unwRet) << "UnwinderPacTest002: Attach:" << unwRet; 98 auto regs = DfxRegs::CreateRemoteRegs(pid); 99 unwinder->SetRegs(regs); 100 UnwindContext context; 101 context.pid = pid; 102 context.regs = regs; 103 unwRet = unwinder->UnwindByFp(&context); 104 EXPECT_TRUE(unwRet) << "UnwinderPacTest002: unwRet:" << unwRet; 105 DfxPtrace::Detach(pid); 106 CheckAndExit(HasFailure()); 107 } 108 int status; 109 wait(&status); 110 ASSERT_EQ(status, 0); 111 #endif 112 GTEST_LOG_(INFO) << "UnwinderPacTest002: end."; 113 } 114 } // namespace HiviewDFX 115 } // namepsace OHOS