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 27 using namespace testing; 28 using namespace testing::ext; 29 30 namespace OHOS { 31 namespace HiviewDFX { 32 #undef LOG_DOMAIN 33 #undef LOG_TAG 34 #define LOG_TAG "DfxUnwinderPacTest" 35 #define LOG_DOMAIN 0xD002D11 36 37 class UnwinderPacTest : public testing::Test { 38 public: SetUpTestCase()39 static void SetUpTestCase() {} TearDownTestCase()40 static void TearDownTestCase() {} SetUp()41 void SetUp() {} TearDown()42 void TearDown() {} 43 }; 44 45 /** 46 * @tc.name: UnwinderPacTest001 47 * @tc.desc: test unwinder unwind interface with pac 48 * @tc.type: FUNC 49 */ 50 HWTEST_F(UnwinderPacTest, UnwinderPacTest001, TestSize.Level2) 51 { 52 GTEST_LOG_(INFO) << "UnwinderPacTest001: start."; 53 static pid_t pid = getpid(); 54 pid_t child = fork(); 55 if (child == 0) { 56 GTEST_LOG_(INFO) << "pid: " << pid << ", ppid:" << getppid(); 57 auto unwinder = std::make_shared<Unwinder>(pid); 58 bool unwRet = DfxPtrace::Attach(pid); 59 EXPECT_EQ(true, unwRet) << "UnwinderPacTest001: Attach:" << unwRet; 60 auto regs = DfxRegs::CreateRemoteRegs(pid); 61 unwinder->SetRegs(regs); 62 UnwindContext context; 63 context.pid = pid; 64 context.regs = regs; 65 unwRet = unwinder->Unwind(&context); 66 EXPECT_EQ(true, unwRet) << "UnwinderPacTest001: Unwind:" << unwRet; 67 auto frames = unwinder->GetFrames(); 68 ASSERT_GT(frames.size(), 1); 69 GTEST_LOG_(INFO) << "frames:\n" << Unwinder::GetFramesStr(frames); 70 DfxPtrace::Detach(pid); 71 _exit(0); 72 } 73 74 int status; 75 int ret = wait(&status); 76 ASSERT_EQ(status, 0); 77 GTEST_LOG_(INFO) << "Status:" << status << " Result:" << ret; 78 GTEST_LOG_(INFO) << "UnwinderPacTest001: end."; 79 } 80 81 /** 82 * @tc.name: UnwinderPacTest002 83 * @tc.desc: test unwinder FpStep interface with pac 84 * @tc.type: FUNC 85 */ 86 HWTEST_F(UnwinderPacTest, UnwinderPacTest002, TestSize.Level2) 87 { 88 GTEST_LOG_(INFO) << "UnwinderPacTest002: start."; 89 #if defined(__aarch64__) 90 static pid_t pid = getpid(); 91 pid_t child = fork(); 92 if (child == 0) { 93 GTEST_LOG_(INFO) << "pid: " << pid << ", ppid:" << getppid(); 94 auto unwinder = std::make_shared<Unwinder>(pid); 95 bool unwRet = DfxPtrace::Attach(pid); 96 EXPECT_EQ(true, unwRet) << "UnwinderPacTest002: Attach:" << unwRet; 97 auto regs = DfxRegs::CreateRemoteRegs(pid); 98 unwinder->SetRegs(regs); 99 UnwindContext context; 100 context.pid = pid; 101 context.regs = regs; 102 unwRet = unwinder->UnwindByFp(&context); 103 ASSERT_TRUE(unwRet) << "UnwinderPacTest002: unwRet:" << unwRet; 104 DfxPtrace::Detach(pid); 105 _exit(0); 106 } 107 108 int status; 109 int ret = wait(&status); 110 ASSERT_EQ(status, 0); 111 GTEST_LOG_(INFO) << "Status:" << status << " Result:" << ret; 112 #endif 113 GTEST_LOG_(INFO) << "UnwinderPacTest002: end."; 114 } 115 } // namespace HiviewDFX 116 } // namepsace OHOS