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 */
HWTEST_F(UnwinderPacTest, UnwinderPacTest001, TestSize.Level2)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 auto maps = DfxMaps::Create(pid);
62 unwinder->SetRegs(regs);
63 UnwindContext context;
64 context.pid = pid;
65 context.regs = regs;
66 context.maps = maps;
67 unwRet = unwinder->Unwind(&context);
68 EXPECT_EQ(true, unwRet) << "UnwinderPacTest001: Unwind:" << unwRet;
69 auto frames = unwinder->GetFrames();
70 ASSERT_GT(frames.size(), 1);
71 GTEST_LOG_(INFO) << "frames:\n" << Unwinder::GetFramesStr(frames);
72 DfxPtrace::Detach(pid);
73 _exit(0);
74 }
75
76 int status;
77 int ret = wait(&status);
78 ASSERT_EQ(status, 0);
79 GTEST_LOG_(INFO) << "Status:" << status << " Result:" << ret;
80 GTEST_LOG_(INFO) << "UnwinderPacTest001: end.";
81 }
82
83 /**
84 * @tc.name: UnwinderPacTest002
85 * @tc.desc: test unwinder FpStep interface with pac
86 * @tc.type: FUNC
87 */
HWTEST_F(UnwinderPacTest, UnwinderPacTest002, TestSize.Level2)88 HWTEST_F(UnwinderPacTest, UnwinderPacTest002, TestSize.Level2)
89 {
90 GTEST_LOG_(INFO) << "UnwinderPacTest002: start.";
91 #if defined(__aarch64__)
92 static pid_t pid = getpid();
93 pid_t child = fork();
94 if (child == 0) {
95 GTEST_LOG_(INFO) << "pid: " << pid << ", ppid:" << getppid();
96 auto unwinder = std::make_shared<Unwinder>(pid);
97 bool unwRet = DfxPtrace::Attach(pid);
98 EXPECT_EQ(true, unwRet) << "UnwinderPacTest002: Attach:" << unwRet;
99 auto regs = DfxRegs::CreateRemoteRegs(pid);
100 unwinder->SetRegs(regs);
101 UnwindContext context;
102 context.pid = pid;
103 context.regs = regs;
104 unwRet = unwinder->UnwindByFp(&context);
105 ASSERT_TRUE(unwRet) << "UnwinderPacTest002: unwRet:" << unwRet;
106 DfxPtrace::Detach(pid);
107 _exit(0);
108 }
109
110 int status;
111 int ret = wait(&status);
112 ASSERT_EQ(status, 0);
113 GTEST_LOG_(INFO) << "Status:" << status << " Result:" << ret;
114 #endif
115 GTEST_LOG_(INFO) << "UnwinderPacTest002: end.";
116 }
117 } // namespace HiviewDFX
118 } // namepsace OHOS