Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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 <elf.h> |
| 18 | #include <stdint.h> |
| 19 | #include <sys/mman.h> |
| 20 | |
| 21 | #include <memory> |
| 22 | #include <set> |
| 23 | #include <string> |
| 24 | |
| 25 | #include <gtest/gtest.h> |
| 26 | |
| 27 | #include <unwindstack/Elf.h> |
| 28 | #include <unwindstack/Maps.h> |
| 29 | #include <unwindstack/Memory.h> |
| 30 | #include <unwindstack/Regs.h> |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 31 | #include <unwindstack/RegsArm.h> |
| 32 | #include <unwindstack/RegsArm64.h> |
| 33 | #include <unwindstack/RegsX86.h> |
| 34 | #include <unwindstack/RegsX86_64.h> |
Douglas Leung | 61b1a1a | 2017-11-08 10:53:53 +0100 | [diff] [blame] | 35 | #include <unwindstack/RegsMips.h> |
| 36 | #include <unwindstack/RegsMips64.h> |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 37 | #include <unwindstack/Unwinder.h> |
| 38 | |
| 39 | #include "ElfFake.h" |
| 40 | #include "MemoryFake.h" |
| 41 | #include "RegsFake.h" |
| 42 | |
| 43 | namespace unwindstack { |
| 44 | |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 45 | class UnwinderTest : public ::testing::Test { |
| 46 | protected: |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 47 | static void AddMapInfo(uint64_t start, uint64_t end, uint64_t offset, uint64_t flags, |
| 48 | const char* name, Elf* elf = nullptr) { |
| 49 | std::string str_name(name); |
| 50 | maps_->Add(start, end, offset, flags, name, static_cast<uint64_t>(-1)); |
| 51 | if (elf != nullptr) { |
Florian Mayer | 3d67d34 | 2019-02-27 18:00:37 +0000 | [diff] [blame] | 52 | const auto& map_info = *--maps_->end(); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 53 | map_info->elf.reset(elf); |
| 54 | } |
| 55 | } |
| 56 | |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 57 | static void SetUpTestCase() { |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 58 | maps_.reset(new Maps); |
| 59 | |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 60 | ElfFake* elf = new ElfFake(new MemoryFake); |
Christopher Ferris | 7813345 | 2019-03-14 13:44:38 -0700 | [diff] [blame] | 61 | ElfInterfaceFake* interface_fake = new ElfInterfaceFake(nullptr); |
| 62 | interface_fake->FakeSetBuildID("FAKE"); |
| 63 | elf->FakeSetInterface(interface_fake); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 64 | AddMapInfo(0x1000, 0x8000, 0, PROT_READ | PROT_WRITE, "/system/fake/libc.so", elf); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 65 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 66 | AddMapInfo(0x10000, 0x12000, 0, PROT_READ | PROT_WRITE, "[stack]"); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 67 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 68 | AddMapInfo(0x13000, 0x15000, 0, PROT_READ | PROT_WRITE | MAPS_FLAGS_DEVICE_MAP, |
| 69 | "/dev/fake_device"); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 70 | |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 71 | elf = new ElfFake(new MemoryFake); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 72 | elf->FakeSetInterface(new ElfInterfaceFake(nullptr)); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 73 | AddMapInfo(0x20000, 0x22000, 0, PROT_READ | PROT_WRITE, "/system/fake/libunwind.so", elf); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 74 | |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 75 | elf = new ElfFake(new MemoryFake); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 76 | elf->FakeSetInterface(new ElfInterfaceFake(nullptr)); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 77 | AddMapInfo(0x23000, 0x24000, 0, PROT_READ | PROT_WRITE, "/fake/libanother.so", elf); |
Christopher Ferris | c5a3baa | 2017-10-17 18:42:03 -0700 | [diff] [blame] | 78 | |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 79 | elf = new ElfFake(new MemoryFake); |
Christopher Ferris | e69f470 | 2017-10-19 16:08:58 -0700 | [diff] [blame] | 80 | elf->FakeSetInterface(new ElfInterfaceFake(nullptr)); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 81 | AddMapInfo(0x33000, 0x34000, 0, PROT_READ | PROT_WRITE, "/fake/compressed.so", elf); |
Christopher Ferris | e69f470 | 2017-10-19 16:08:58 -0700 | [diff] [blame] | 82 | |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 83 | elf = new ElfFake(new MemoryFake); |
Christopher Ferris | 02a6c44 | 2019-03-11 14:43:33 -0700 | [diff] [blame] | 84 | ElfInterfaceFake* interface = new ElfInterfaceFake(nullptr); |
| 85 | interface->FakeSetSoname("lib_fake.so"); |
| 86 | elf->FakeSetInterface(interface); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 87 | AddMapInfo(0x43000, 0x44000, 0x1d000, PROT_READ | PROT_WRITE, "/fake/fake.apk", elf); |
Christopher Ferris | 02a6c44 | 2019-03-11 14:43:33 -0700 | [diff] [blame] | 88 | MapInfo* map_info = maps_->Find(0x43000); |
| 89 | ASSERT_TRUE(map_info != nullptr); |
| 90 | map_info->elf_start_offset = 0x1d000; |
Christopher Ferris | e69f470 | 2017-10-19 16:08:58 -0700 | [diff] [blame] | 91 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 92 | AddMapInfo(0x53000, 0x54000, 0, PROT_READ | PROT_WRITE, "/fake/fake.oat"); |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 93 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 94 | AddMapInfo(0xa3000, 0xa4000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "/fake/fake.vdex"); |
Florian Mayer | 3d67d34 | 2019-02-27 18:00:37 +0000 | [diff] [blame] | 95 | const auto& info = *--maps_->end(); |
Christopher Ferris | e762f1f | 2018-02-06 14:51:48 -0800 | [diff] [blame] | 96 | info->load_bias = 0; |
Christopher Ferris | e762f1f | 2018-02-06 14:51:48 -0800 | [diff] [blame] | 97 | |
Christopher Ferris | e4df5f5 | 2018-02-12 13:24:18 -0800 | [diff] [blame] | 98 | elf = new ElfFake(new MemoryFake); |
Christopher Ferris | e4df5f5 | 2018-02-12 13:24:18 -0800 | [diff] [blame] | 99 | elf->FakeSetInterface(new ElfInterfaceFake(nullptr)); |
| 100 | elf->FakeSetLoadBias(0x5000); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 101 | AddMapInfo(0xa5000, 0xa6000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "/fake/fake_load_bias.so", |
| 102 | elf); |
Christopher Ferris | e4df5f5 | 2018-02-12 13:24:18 -0800 | [diff] [blame] | 103 | |
Christopher Ferris | e4df5f5 | 2018-02-12 13:24:18 -0800 | [diff] [blame] | 104 | elf = new ElfFake(new MemoryFake); |
Christopher Ferris | e4df5f5 | 2018-02-12 13:24:18 -0800 | [diff] [blame] | 105 | elf->FakeSetInterface(new ElfInterfaceFake(nullptr)); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 106 | AddMapInfo(0xa7000, 0xa8000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "/fake/fake_offset.oat", |
| 107 | elf); |
Florian Mayer | 3d67d34 | 2019-02-27 18:00:37 +0000 | [diff] [blame] | 108 | const auto& info2 = *--maps_->end(); |
| 109 | info2->elf_offset = 0x8000; |
Christopher Ferris | e4df5f5 | 2018-02-12 13:24:18 -0800 | [diff] [blame] | 110 | |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 111 | elf = new ElfFake(new MemoryFake); |
| 112 | elf->FakeSetInterface(new ElfInterfaceFake(nullptr)); |
| 113 | AddMapInfo(0xc0000, 0xc1000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "/fake/unreadable.so", elf); |
| 114 | const auto& info3 = *--maps_->end(); |
| 115 | info3->memory_backed_elf = true; |
| 116 | |
| 117 | elf = new ElfFake(new MemoryFake); |
| 118 | elf->FakeSetInterface(new ElfInterfaceFake(nullptr)); |
| 119 | AddMapInfo(0xc1000, 0xc2000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "[vdso]", elf); |
| 120 | const auto& info4 = *--maps_->end(); |
| 121 | info4->memory_backed_elf = true; |
| 122 | |
| 123 | elf = new ElfFake(new MemoryFake); |
| 124 | elf->FakeSetInterface(new ElfInterfaceFake(nullptr)); |
| 125 | AddMapInfo(0xc2000, 0xc3000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "", elf); |
| 126 | const auto& info5 = *--maps_->end(); |
| 127 | info5->memory_backed_elf = true; |
| 128 | |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 129 | process_memory_.reset(new MemoryFake); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | void SetUp() override { |
| 133 | ElfInterfaceFake::FakeClear(); |
Christopher Ferris | d06001d | 2017-11-30 18:56:01 -0800 | [diff] [blame] | 134 | regs_.FakeSetArch(ARCH_ARM); |
Christopher Ferris | fda7edd | 2017-10-31 16:10:42 -0700 | [diff] [blame] | 135 | regs_.FakeSetReturnAddressValid(false); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 136 | } |
| 137 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 138 | static std::unique_ptr<Maps> maps_; |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 139 | static RegsFake regs_; |
| 140 | static std::shared_ptr<Memory> process_memory_; |
| 141 | }; |
| 142 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 143 | std::unique_ptr<Maps> UnwinderTest::maps_; |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 144 | RegsFake UnwinderTest::regs_(5); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 145 | std::shared_ptr<Memory> UnwinderTest::process_memory_(nullptr); |
| 146 | |
| 147 | TEST_F(UnwinderTest, multiple_frames) { |
| 148 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 149 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame1", 1)); |
| 150 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame2", 2)); |
| 151 | |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 152 | regs_.set_pc(0x1000); |
| 153 | regs_.set_sp(0x10000); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 154 | ElfInterfaceFake::FakePushStepData(StepData(0x1102, 0x10010, false)); |
| 155 | ElfInterfaceFake::FakePushStepData(StepData(0x1202, 0x10020, false)); |
| 156 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 157 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 158 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 159 | unwinder.Unwind(); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 160 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 161 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 162 | |
| 163 | ASSERT_EQ(3U, unwinder.NumFrames()); |
| 164 | |
| 165 | auto* frame = &unwinder.frames()[0]; |
| 166 | EXPECT_EQ(0U, frame->num); |
| 167 | EXPECT_EQ(0U, frame->rel_pc); |
| 168 | EXPECT_EQ(0x1000U, frame->pc); |
| 169 | EXPECT_EQ(0x10000U, frame->sp); |
| 170 | EXPECT_EQ("Frame0", frame->function_name); |
| 171 | EXPECT_EQ(0U, frame->function_offset); |
| 172 | EXPECT_EQ("/system/fake/libc.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 173 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 174 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 175 | EXPECT_EQ(0x1000U, frame->map_start); |
| 176 | EXPECT_EQ(0x8000U, frame->map_end); |
| 177 | EXPECT_EQ(0U, frame->map_load_bias); |
| 178 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 179 | |
| 180 | frame = &unwinder.frames()[1]; |
| 181 | EXPECT_EQ(1U, frame->num); |
| 182 | EXPECT_EQ(0x100U, frame->rel_pc); |
| 183 | EXPECT_EQ(0x1100U, frame->pc); |
| 184 | EXPECT_EQ(0x10010U, frame->sp); |
| 185 | EXPECT_EQ("Frame1", frame->function_name); |
| 186 | EXPECT_EQ(1U, frame->function_offset); |
| 187 | EXPECT_EQ("/system/fake/libc.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 188 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 189 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 190 | EXPECT_EQ(0x1000U, frame->map_start); |
| 191 | EXPECT_EQ(0x8000U, frame->map_end); |
| 192 | EXPECT_EQ(0U, frame->map_load_bias); |
| 193 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 194 | |
| 195 | frame = &unwinder.frames()[2]; |
| 196 | EXPECT_EQ(2U, frame->num); |
| 197 | EXPECT_EQ(0x200U, frame->rel_pc); |
| 198 | EXPECT_EQ(0x1200U, frame->pc); |
| 199 | EXPECT_EQ(0x10020U, frame->sp); |
| 200 | EXPECT_EQ("Frame2", frame->function_name); |
| 201 | EXPECT_EQ(2U, frame->function_offset); |
| 202 | EXPECT_EQ("/system/fake/libc.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 203 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 204 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 205 | EXPECT_EQ(0x1000U, frame->map_start); |
| 206 | EXPECT_EQ(0x8000U, frame->map_end); |
| 207 | EXPECT_EQ(0U, frame->map_load_bias); |
| 208 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 209 | } |
| 210 | |
Christopher Ferris | e4b3a6a | 2018-02-20 13:58:40 -0800 | [diff] [blame] | 211 | TEST_F(UnwinderTest, multiple_frames_dont_resolve_names) { |
| 212 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 213 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame1", 1)); |
| 214 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame2", 2)); |
| 215 | |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 216 | regs_.set_pc(0x1000); |
| 217 | regs_.set_sp(0x10000); |
Christopher Ferris | e4b3a6a | 2018-02-20 13:58:40 -0800 | [diff] [blame] | 218 | ElfInterfaceFake::FakePushStepData(StepData(0x1102, 0x10010, false)); |
| 219 | ElfInterfaceFake::FakePushStepData(StepData(0x1202, 0x10020, false)); |
| 220 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 221 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 222 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | e4b3a6a | 2018-02-20 13:58:40 -0800 | [diff] [blame] | 223 | unwinder.SetResolveNames(false); |
| 224 | unwinder.Unwind(); |
| 225 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 226 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | e4b3a6a | 2018-02-20 13:58:40 -0800 | [diff] [blame] | 227 | |
| 228 | ASSERT_EQ(3U, unwinder.NumFrames()); |
| 229 | |
| 230 | auto* frame = &unwinder.frames()[0]; |
| 231 | EXPECT_EQ(0U, frame->num); |
| 232 | EXPECT_EQ(0U, frame->rel_pc); |
| 233 | EXPECT_EQ(0x1000U, frame->pc); |
| 234 | EXPECT_EQ(0x10000U, frame->sp); |
| 235 | EXPECT_EQ("", frame->function_name); |
| 236 | EXPECT_EQ(0U, frame->function_offset); |
David Srbecky | e62f4c4 | 2018-03-16 18:44:04 +0000 | [diff] [blame] | 237 | EXPECT_EQ("", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 238 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 239 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | e4b3a6a | 2018-02-20 13:58:40 -0800 | [diff] [blame] | 240 | EXPECT_EQ(0x1000U, frame->map_start); |
| 241 | EXPECT_EQ(0x8000U, frame->map_end); |
| 242 | EXPECT_EQ(0U, frame->map_load_bias); |
| 243 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 244 | |
| 245 | frame = &unwinder.frames()[1]; |
| 246 | EXPECT_EQ(1U, frame->num); |
| 247 | EXPECT_EQ(0x100U, frame->rel_pc); |
| 248 | EXPECT_EQ(0x1100U, frame->pc); |
| 249 | EXPECT_EQ(0x10010U, frame->sp); |
| 250 | EXPECT_EQ("", frame->function_name); |
| 251 | EXPECT_EQ(0U, frame->function_offset); |
David Srbecky | e62f4c4 | 2018-03-16 18:44:04 +0000 | [diff] [blame] | 252 | EXPECT_EQ("", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 253 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 254 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | e4b3a6a | 2018-02-20 13:58:40 -0800 | [diff] [blame] | 255 | EXPECT_EQ(0x1000U, frame->map_start); |
| 256 | EXPECT_EQ(0x8000U, frame->map_end); |
| 257 | EXPECT_EQ(0U, frame->map_load_bias); |
| 258 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 259 | |
| 260 | frame = &unwinder.frames()[2]; |
| 261 | EXPECT_EQ(2U, frame->num); |
| 262 | EXPECT_EQ(0x200U, frame->rel_pc); |
| 263 | EXPECT_EQ(0x1200U, frame->pc); |
| 264 | EXPECT_EQ(0x10020U, frame->sp); |
| 265 | EXPECT_EQ("", frame->function_name); |
| 266 | EXPECT_EQ(0U, frame->function_offset); |
David Srbecky | e62f4c4 | 2018-03-16 18:44:04 +0000 | [diff] [blame] | 267 | EXPECT_EQ("", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 268 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 269 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | e4b3a6a | 2018-02-20 13:58:40 -0800 | [diff] [blame] | 270 | EXPECT_EQ(0x1000U, frame->map_start); |
| 271 | EXPECT_EQ(0x8000U, frame->map_end); |
| 272 | EXPECT_EQ(0U, frame->map_load_bias); |
| 273 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 274 | } |
| 275 | |
Christopher Ferris | e4df5f5 | 2018-02-12 13:24:18 -0800 | [diff] [blame] | 276 | TEST_F(UnwinderTest, non_zero_load_bias) { |
| 277 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 278 | |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 279 | regs_.set_pc(0xa5500); |
| 280 | regs_.set_sp(0x10000); |
Christopher Ferris | e4df5f5 | 2018-02-12 13:24:18 -0800 | [diff] [blame] | 281 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 282 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 283 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | e4df5f5 | 2018-02-12 13:24:18 -0800 | [diff] [blame] | 284 | unwinder.Unwind(); |
| 285 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 286 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | e4df5f5 | 2018-02-12 13:24:18 -0800 | [diff] [blame] | 287 | |
| 288 | ASSERT_EQ(1U, unwinder.NumFrames()); |
| 289 | |
| 290 | auto* frame = &unwinder.frames()[0]; |
| 291 | EXPECT_EQ(0U, frame->num); |
| 292 | EXPECT_EQ(0x5500U, frame->rel_pc); |
| 293 | EXPECT_EQ(0xa5500U, frame->pc); |
| 294 | EXPECT_EQ(0x10000U, frame->sp); |
| 295 | EXPECT_EQ("Frame0", frame->function_name); |
| 296 | EXPECT_EQ(0U, frame->function_offset); |
| 297 | EXPECT_EQ("/fake/fake_load_bias.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 298 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 299 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | e4df5f5 | 2018-02-12 13:24:18 -0800 | [diff] [blame] | 300 | EXPECT_EQ(0xa5000U, frame->map_start); |
| 301 | EXPECT_EQ(0xa6000U, frame->map_end); |
| 302 | EXPECT_EQ(0x5000U, frame->map_load_bias); |
| 303 | EXPECT_EQ(PROT_READ | PROT_WRITE | PROT_EXEC, frame->map_flags); |
| 304 | } |
| 305 | |
| 306 | TEST_F(UnwinderTest, non_zero_elf_offset) { |
| 307 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 308 | |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 309 | regs_.set_pc(0xa7500); |
| 310 | regs_.set_sp(0x10000); |
Christopher Ferris | e4df5f5 | 2018-02-12 13:24:18 -0800 | [diff] [blame] | 311 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 312 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 313 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | e4df5f5 | 2018-02-12 13:24:18 -0800 | [diff] [blame] | 314 | unwinder.Unwind(); |
| 315 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 316 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | e4df5f5 | 2018-02-12 13:24:18 -0800 | [diff] [blame] | 317 | |
| 318 | ASSERT_EQ(1U, unwinder.NumFrames()); |
| 319 | |
| 320 | auto* frame = &unwinder.frames()[0]; |
| 321 | EXPECT_EQ(0U, frame->num); |
| 322 | EXPECT_EQ(0x8500U, frame->rel_pc); |
| 323 | EXPECT_EQ(0xa7500U, frame->pc); |
| 324 | EXPECT_EQ(0x10000U, frame->sp); |
| 325 | EXPECT_EQ("Frame0", frame->function_name); |
| 326 | EXPECT_EQ(0U, frame->function_offset); |
| 327 | EXPECT_EQ("/fake/fake_offset.oat", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 328 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 329 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | e4df5f5 | 2018-02-12 13:24:18 -0800 | [diff] [blame] | 330 | EXPECT_EQ(0xa7000U, frame->map_start); |
| 331 | EXPECT_EQ(0xa8000U, frame->map_end); |
| 332 | EXPECT_EQ(0U, frame->map_load_bias); |
| 333 | EXPECT_EQ(PROT_READ | PROT_WRITE | PROT_EXEC, frame->map_flags); |
| 334 | } |
| 335 | |
Christopher Ferris | c5a3baa | 2017-10-17 18:42:03 -0700 | [diff] [blame] | 336 | TEST_F(UnwinderTest, non_zero_map_offset) { |
| 337 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 338 | |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 339 | regs_.set_pc(0x43000); |
| 340 | regs_.set_sp(0x10000); |
Christopher Ferris | c5a3baa | 2017-10-17 18:42:03 -0700 | [diff] [blame] | 341 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 342 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 343 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | c5a3baa | 2017-10-17 18:42:03 -0700 | [diff] [blame] | 344 | unwinder.Unwind(); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 345 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 346 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | c5a3baa | 2017-10-17 18:42:03 -0700 | [diff] [blame] | 347 | |
| 348 | ASSERT_EQ(1U, unwinder.NumFrames()); |
| 349 | |
| 350 | auto* frame = &unwinder.frames()[0]; |
| 351 | EXPECT_EQ(0U, frame->num); |
| 352 | EXPECT_EQ(0U, frame->rel_pc); |
| 353 | EXPECT_EQ(0x43000U, frame->pc); |
| 354 | EXPECT_EQ(0x10000U, frame->sp); |
| 355 | EXPECT_EQ("Frame0", frame->function_name); |
| 356 | EXPECT_EQ(0U, frame->function_offset); |
Christopher Ferris | 02a6c44 | 2019-03-11 14:43:33 -0700 | [diff] [blame] | 357 | EXPECT_EQ("/fake/fake.apk!lib_fake.so", frame->map_name); |
| 358 | EXPECT_EQ(0x1d000U, frame->map_elf_start_offset); |
| 359 | EXPECT_EQ(0x1d000U, frame->map_exact_offset); |
| 360 | EXPECT_EQ(0x43000U, frame->map_start); |
| 361 | EXPECT_EQ(0x44000U, frame->map_end); |
| 362 | EXPECT_EQ(0U, frame->map_load_bias); |
| 363 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 364 | } |
| 365 | |
| 366 | TEST_F(UnwinderTest, disable_embedded_soname) { |
| 367 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 368 | |
| 369 | regs_.set_pc(0x43000); |
| 370 | regs_.set_sp(0x10000); |
| 371 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 372 | |
| 373 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
| 374 | unwinder.SetEmbeddedSoname(false); |
| 375 | unwinder.Unwind(); |
| 376 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 377 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | 02a6c44 | 2019-03-11 14:43:33 -0700 | [diff] [blame] | 378 | |
| 379 | ASSERT_EQ(1U, unwinder.NumFrames()); |
| 380 | |
| 381 | auto* frame = &unwinder.frames()[0]; |
| 382 | EXPECT_EQ(0U, frame->num); |
| 383 | EXPECT_EQ(0U, frame->rel_pc); |
| 384 | EXPECT_EQ(0x43000U, frame->pc); |
| 385 | EXPECT_EQ(0x10000U, frame->sp); |
| 386 | EXPECT_EQ("Frame0", frame->function_name); |
| 387 | EXPECT_EQ(0U, frame->function_offset); |
Christopher Ferris | c5a3baa | 2017-10-17 18:42:03 -0700 | [diff] [blame] | 388 | EXPECT_EQ("/fake/fake.apk", frame->map_name); |
Christopher Ferris | 02a6c44 | 2019-03-11 14:43:33 -0700 | [diff] [blame] | 389 | EXPECT_EQ(0x1d000U, frame->map_elf_start_offset); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 390 | EXPECT_EQ(0x1d000U, frame->map_exact_offset); |
Christopher Ferris | c5a3baa | 2017-10-17 18:42:03 -0700 | [diff] [blame] | 391 | EXPECT_EQ(0x43000U, frame->map_start); |
| 392 | EXPECT_EQ(0x44000U, frame->map_end); |
| 393 | EXPECT_EQ(0U, frame->map_load_bias); |
| 394 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 395 | } |
| 396 | |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 397 | // Verify that no attempt to continue after the step indicates it is done. |
| 398 | TEST_F(UnwinderTest, no_frames_after_finished) { |
| 399 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 400 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame1", 1)); |
| 401 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame2", 2)); |
| 402 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame3", 3)); |
| 403 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame4", 4)); |
| 404 | |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 405 | regs_.set_pc(0x1000); |
| 406 | regs_.set_sp(0x10000); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 407 | ElfInterfaceFake::FakePushStepData(StepData(0x1000, 0x10000, true)); |
| 408 | ElfInterfaceFake::FakePushStepData(StepData(0x1102, 0x10010, false)); |
| 409 | ElfInterfaceFake::FakePushStepData(StepData(0x1202, 0x10020, false)); |
| 410 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 411 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 412 | unwinder.Unwind(); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 413 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 414 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 415 | |
| 416 | ASSERT_EQ(1U, unwinder.NumFrames()); |
| 417 | |
| 418 | auto* frame = &unwinder.frames()[0]; |
| 419 | EXPECT_EQ(0U, frame->num); |
| 420 | EXPECT_EQ(0U, frame->rel_pc); |
| 421 | EXPECT_EQ(0x1000U, frame->pc); |
| 422 | EXPECT_EQ(0x10000U, frame->sp); |
| 423 | EXPECT_EQ("Frame0", frame->function_name); |
| 424 | EXPECT_EQ(0U, frame->function_offset); |
| 425 | EXPECT_EQ("/system/fake/libc.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 426 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 427 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 428 | EXPECT_EQ(0x1000U, frame->map_start); |
| 429 | EXPECT_EQ(0x8000U, frame->map_end); |
| 430 | EXPECT_EQ(0U, frame->map_load_bias); |
| 431 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 432 | } |
| 433 | |
| 434 | // Verify the maximum frames to save. |
| 435 | TEST_F(UnwinderTest, max_frames) { |
| 436 | for (size_t i = 0; i < 30; i++) { |
| 437 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame" + std::to_string(i), i)); |
| 438 | ElfInterfaceFake::FakePushStepData(StepData(0x1102 + i * 0x100, 0x10010 + i * 0x10, false)); |
| 439 | } |
| 440 | |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 441 | regs_.set_pc(0x1000); |
| 442 | regs_.set_sp(0x10000); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 443 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 444 | Unwinder unwinder(20, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 445 | unwinder.Unwind(); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 446 | EXPECT_EQ(ERROR_MAX_FRAMES_EXCEEDED, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 447 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 448 | |
| 449 | ASSERT_EQ(20U, unwinder.NumFrames()); |
| 450 | |
| 451 | for (size_t i = 0; i < 20; i++) { |
| 452 | auto* frame = &unwinder.frames()[i]; |
| 453 | EXPECT_EQ(i, frame->num); |
| 454 | EXPECT_EQ(i * 0x100, frame->rel_pc) << "Failed at frame " << i; |
| 455 | EXPECT_EQ(0x1000 + i * 0x100, frame->pc) << "Failed at frame " << i; |
| 456 | EXPECT_EQ(0x10000 + 0x10 * i, frame->sp) << "Failed at frame " << i; |
| 457 | EXPECT_EQ("Frame" + std::to_string(i), frame->function_name) << "Failed at frame " << i; |
| 458 | EXPECT_EQ(i, frame->function_offset) << "Failed at frame " << i; |
| 459 | EXPECT_EQ("/system/fake/libc.so", frame->map_name) << "Failed at frame " << i; |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 460 | EXPECT_EQ(0U, frame->map_elf_start_offset) << "Failed at frame " << i; |
| 461 | EXPECT_EQ(0U, frame->map_exact_offset) << "Failed at frame " << i; |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 462 | EXPECT_EQ(0x1000U, frame->map_start) << "Failed at frame " << i; |
| 463 | EXPECT_EQ(0x8000U, frame->map_end) << "Failed at frame " << i; |
| 464 | EXPECT_EQ(0U, frame->map_load_bias) << "Failed at frame " << i; |
| 465 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags) << "Failed at frame " << i; |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | // Verify that initial map names frames are removed. |
| 470 | TEST_F(UnwinderTest, verify_frames_skipped) { |
| 471 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 472 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame1", 1)); |
| 473 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame2", 2)); |
| 474 | |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 475 | regs_.set_pc(0x20000); |
| 476 | regs_.set_sp(0x10000); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 477 | ElfInterfaceFake::FakePushStepData(StepData(0x23002, 0x10010, false)); |
| 478 | ElfInterfaceFake::FakePushStepData(StepData(0x23102, 0x10020, false)); |
| 479 | ElfInterfaceFake::FakePushStepData(StepData(0x20002, 0x10030, false)); |
| 480 | ElfInterfaceFake::FakePushStepData(StepData(0x21002, 0x10040, false)); |
| 481 | ElfInterfaceFake::FakePushStepData(StepData(0x1002, 0x10050, false)); |
| 482 | ElfInterfaceFake::FakePushStepData(StepData(0x21002, 0x10060, false)); |
| 483 | ElfInterfaceFake::FakePushStepData(StepData(0x23002, 0x10070, false)); |
| 484 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 485 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 486 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | 1cb84ce | 2017-10-24 15:36:00 -0700 | [diff] [blame] | 487 | std::vector<std::string> skip_libs{"libunwind.so", "libanother.so"}; |
| 488 | unwinder.Unwind(&skip_libs); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 489 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 490 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 491 | |
| 492 | ASSERT_EQ(3U, unwinder.NumFrames()); |
| 493 | |
| 494 | auto* frame = &unwinder.frames()[0]; |
| 495 | EXPECT_EQ(0U, frame->num); |
| 496 | EXPECT_EQ(0U, frame->rel_pc); |
| 497 | EXPECT_EQ(0x1000U, frame->pc); |
| 498 | EXPECT_EQ(0x10050U, frame->sp); |
| 499 | EXPECT_EQ("Frame0", frame->function_name); |
| 500 | EXPECT_EQ(0U, frame->function_offset); |
| 501 | EXPECT_EQ("/system/fake/libc.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 502 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 503 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 504 | EXPECT_EQ(0x1000U, frame->map_start); |
| 505 | EXPECT_EQ(0x8000U, frame->map_end); |
| 506 | EXPECT_EQ(0U, frame->map_load_bias); |
| 507 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 508 | |
| 509 | frame = &unwinder.frames()[1]; |
| 510 | EXPECT_EQ(1U, frame->num); |
| 511 | EXPECT_EQ(0x1000U, frame->rel_pc); |
| 512 | EXPECT_EQ(0x21000U, frame->pc); |
| 513 | EXPECT_EQ(0x10060U, frame->sp); |
| 514 | EXPECT_EQ("Frame1", frame->function_name); |
| 515 | EXPECT_EQ(1U, frame->function_offset); |
| 516 | EXPECT_EQ("/system/fake/libunwind.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 517 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 518 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 519 | EXPECT_EQ(0x20000U, frame->map_start); |
| 520 | EXPECT_EQ(0x22000U, frame->map_end); |
| 521 | EXPECT_EQ(0U, frame->map_load_bias); |
| 522 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 523 | |
| 524 | frame = &unwinder.frames()[2]; |
| 525 | EXPECT_EQ(2U, frame->num); |
| 526 | EXPECT_EQ(0U, frame->rel_pc); |
| 527 | EXPECT_EQ(0x23000U, frame->pc); |
| 528 | EXPECT_EQ(0x10070U, frame->sp); |
| 529 | EXPECT_EQ("Frame2", frame->function_name); |
| 530 | EXPECT_EQ(2U, frame->function_offset); |
| 531 | EXPECT_EQ("/fake/libanother.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 532 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 533 | EXPECT_EQ(0x23000U, frame->map_start); |
| 534 | EXPECT_EQ(0x24000U, frame->map_end); |
| 535 | EXPECT_EQ(0U, frame->map_load_bias); |
| 536 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 537 | } |
| 538 | |
| 539 | // Verify SP in a non-existant map is okay. |
| 540 | TEST_F(UnwinderTest, sp_not_in_map) { |
| 541 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 542 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame1", 1)); |
| 543 | |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 544 | regs_.set_pc(0x1000); |
| 545 | regs_.set_sp(0x63000); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 546 | ElfInterfaceFake::FakePushStepData(StepData(0x21002, 0x50020, false)); |
| 547 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 548 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 549 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 550 | unwinder.Unwind(); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 551 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 552 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 553 | |
| 554 | ASSERT_EQ(2U, unwinder.NumFrames()); |
| 555 | |
| 556 | auto* frame = &unwinder.frames()[0]; |
| 557 | EXPECT_EQ(0U, frame->num); |
| 558 | EXPECT_EQ(0U, frame->rel_pc); |
| 559 | EXPECT_EQ(0x1000U, frame->pc); |
Christopher Ferris | e69f470 | 2017-10-19 16:08:58 -0700 | [diff] [blame] | 560 | EXPECT_EQ(0x63000U, frame->sp); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 561 | EXPECT_EQ("Frame0", frame->function_name); |
| 562 | EXPECT_EQ(0U, frame->function_offset); |
| 563 | EXPECT_EQ("/system/fake/libc.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 564 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 565 | EXPECT_EQ(0x1000U, frame->map_start); |
| 566 | EXPECT_EQ(0x8000U, frame->map_end); |
| 567 | EXPECT_EQ(0U, frame->map_load_bias); |
| 568 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 569 | |
| 570 | frame = &unwinder.frames()[1]; |
| 571 | EXPECT_EQ(1U, frame->num); |
| 572 | EXPECT_EQ(0x1000U, frame->rel_pc); |
| 573 | EXPECT_EQ(0x21000U, frame->pc); |
| 574 | EXPECT_EQ(0x50020U, frame->sp); |
| 575 | EXPECT_EQ("Frame1", frame->function_name); |
| 576 | EXPECT_EQ(1U, frame->function_offset); |
| 577 | EXPECT_EQ("/system/fake/libunwind.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 578 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 579 | EXPECT_EQ(0x20000U, frame->map_start); |
| 580 | EXPECT_EQ(0x22000U, frame->map_end); |
| 581 | EXPECT_EQ(0U, frame->map_load_bias); |
| 582 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 583 | } |
| 584 | |
| 585 | // Verify PC in a device stops the unwind. |
| 586 | TEST_F(UnwinderTest, pc_in_device_stops_unwind) { |
| 587 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 588 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame1", 1)); |
| 589 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame2", 2)); |
| 590 | |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 591 | regs_.set_pc(0x13000); |
| 592 | regs_.set_sp(0x10000); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 593 | ElfInterfaceFake::FakePushStepData(StepData(0x23002, 0x10010, false)); |
| 594 | ElfInterfaceFake::FakePushStepData(StepData(0x23102, 0x10020, false)); |
| 595 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 596 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 597 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 598 | unwinder.Unwind(); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 599 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 600 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 601 | |
| 602 | ASSERT_EQ(1U, unwinder.NumFrames()); |
| 603 | } |
| 604 | |
| 605 | // Verify SP in a device stops the unwind. |
| 606 | TEST_F(UnwinderTest, sp_in_device_stops_unwind) { |
| 607 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 608 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame1", 1)); |
| 609 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame2", 2)); |
| 610 | |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 611 | regs_.set_pc(0x1000); |
| 612 | regs_.set_sp(0x13000); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 613 | ElfInterfaceFake::FakePushStepData(StepData(0x23002, 0x10010, false)); |
| 614 | ElfInterfaceFake::FakePushStepData(StepData(0x23102, 0x10020, false)); |
| 615 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 616 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 617 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 618 | unwinder.Unwind(); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 619 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 620 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 621 | |
| 622 | ASSERT_EQ(1U, unwinder.NumFrames()); |
| 623 | } |
| 624 | |
| 625 | // Verify a no map info frame gets a frame. |
| 626 | TEST_F(UnwinderTest, pc_without_map) { |
| 627 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 628 | |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 629 | regs_.set_pc(0x41000); |
| 630 | regs_.set_sp(0x13000); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 631 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 632 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 633 | unwinder.Unwind(); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 634 | EXPECT_EQ(ERROR_INVALID_MAP, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 635 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 636 | |
| 637 | ASSERT_EQ(1U, unwinder.NumFrames()); |
| 638 | |
| 639 | auto* frame = &unwinder.frames()[0]; |
| 640 | EXPECT_EQ(0U, frame->num); |
| 641 | EXPECT_EQ(0x41000U, frame->rel_pc); |
| 642 | EXPECT_EQ(0x41000U, frame->pc); |
| 643 | EXPECT_EQ(0x13000U, frame->sp); |
| 644 | EXPECT_EQ("", frame->function_name); |
| 645 | EXPECT_EQ(0U, frame->function_offset); |
| 646 | EXPECT_EQ("", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 647 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 648 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 649 | EXPECT_EQ(0U, frame->map_start); |
| 650 | EXPECT_EQ(0U, frame->map_end); |
| 651 | EXPECT_EQ(0U, frame->map_load_bias); |
| 652 | EXPECT_EQ(0, frame->map_flags); |
| 653 | } |
| 654 | |
| 655 | // Verify that a speculative frame is added. |
| 656 | TEST_F(UnwinderTest, speculative_frame) { |
| 657 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 658 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame1", 1)); |
| 659 | |
| 660 | // Fake as if code called a nullptr function. |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 661 | regs_.set_pc(0); |
| 662 | regs_.set_sp(0x10000); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 663 | regs_.FakeSetReturnAddress(0x1202); |
| 664 | regs_.FakeSetReturnAddressValid(true); |
| 665 | |
| 666 | ElfInterfaceFake::FakePushStepData(StepData(0x23102, 0x10020, false)); |
| 667 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 668 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 669 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 670 | unwinder.Unwind(); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 671 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 672 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 673 | |
| 674 | ASSERT_EQ(3U, unwinder.NumFrames()); |
| 675 | |
| 676 | auto* frame = &unwinder.frames()[0]; |
| 677 | EXPECT_EQ(0U, frame->num); |
| 678 | EXPECT_EQ(0U, frame->rel_pc); |
| 679 | EXPECT_EQ(0U, frame->pc); |
| 680 | EXPECT_EQ(0x10000U, frame->sp); |
| 681 | EXPECT_EQ("", frame->function_name); |
| 682 | EXPECT_EQ(0U, frame->function_offset); |
| 683 | EXPECT_EQ("", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 684 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 685 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 686 | EXPECT_EQ(0U, frame->map_start); |
| 687 | EXPECT_EQ(0U, frame->map_end); |
| 688 | EXPECT_EQ(0U, frame->map_load_bias); |
| 689 | EXPECT_EQ(0, frame->map_flags); |
| 690 | |
| 691 | frame = &unwinder.frames()[1]; |
| 692 | EXPECT_EQ(1U, frame->num); |
| 693 | EXPECT_EQ(0x200U, frame->rel_pc); |
| 694 | EXPECT_EQ(0x1200U, frame->pc); |
| 695 | EXPECT_EQ(0x10000U, frame->sp); |
| 696 | EXPECT_EQ("Frame0", frame->function_name); |
| 697 | EXPECT_EQ(0U, frame->function_offset); |
| 698 | EXPECT_EQ("/system/fake/libc.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 699 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 700 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 701 | EXPECT_EQ(0x1000U, frame->map_start); |
| 702 | EXPECT_EQ(0x8000U, frame->map_end); |
| 703 | EXPECT_EQ(0U, frame->map_load_bias); |
| 704 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 705 | |
| 706 | frame = &unwinder.frames()[2]; |
| 707 | EXPECT_EQ(2U, frame->num); |
| 708 | EXPECT_EQ(0x100U, frame->rel_pc); |
| 709 | EXPECT_EQ(0x23100U, frame->pc); |
| 710 | EXPECT_EQ(0x10020U, frame->sp); |
| 711 | EXPECT_EQ("Frame1", frame->function_name); |
| 712 | EXPECT_EQ(1U, frame->function_offset); |
| 713 | EXPECT_EQ("/fake/libanother.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 714 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 715 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 716 | EXPECT_EQ(0x23000U, frame->map_start); |
| 717 | EXPECT_EQ(0x24000U, frame->map_end); |
| 718 | EXPECT_EQ(0U, frame->map_load_bias); |
| 719 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 720 | } |
| 721 | |
| 722 | // Verify that a speculative frame is added then removed because no other |
| 723 | // frames are added. |
| 724 | TEST_F(UnwinderTest, speculative_frame_removed) { |
| 725 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 726 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame1", 1)); |
| 727 | |
| 728 | // Fake as if code called a nullptr function. |
Christopher Ferris | 065f156 | 2018-12-13 09:33:45 -0800 | [diff] [blame] | 729 | regs_.set_pc(0x20000); |
| 730 | regs_.set_sp(0x10000); |
| 731 | ElfInterfaceFake::FakePushStepData(StepData(0, 0x10010, false)); |
| 732 | regs_.FakeSetReturnAddress(0x12); |
| 733 | regs_.FakeSetReturnAddressValid(true); |
| 734 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 735 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | 065f156 | 2018-12-13 09:33:45 -0800 | [diff] [blame] | 736 | unwinder.Unwind(); |
| 737 | EXPECT_EQ(ERROR_INVALID_MAP, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 738 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | 065f156 | 2018-12-13 09:33:45 -0800 | [diff] [blame] | 739 | |
| 740 | ASSERT_EQ(2U, unwinder.NumFrames()); |
| 741 | |
| 742 | auto* frame = &unwinder.frames()[0]; |
| 743 | EXPECT_EQ(0U, frame->num); |
| 744 | EXPECT_EQ(0U, frame->rel_pc); |
| 745 | EXPECT_EQ(0x20000U, frame->pc); |
| 746 | EXPECT_EQ(0x10000U, frame->sp); |
| 747 | EXPECT_EQ("Frame0", frame->function_name); |
| 748 | EXPECT_EQ(0U, frame->function_offset); |
| 749 | EXPECT_EQ("/system/fake/libunwind.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 750 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 751 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | 065f156 | 2018-12-13 09:33:45 -0800 | [diff] [blame] | 752 | EXPECT_EQ(0x20000U, frame->map_start); |
| 753 | EXPECT_EQ(0x22000U, frame->map_end); |
| 754 | EXPECT_EQ(0U, frame->map_load_bias); |
| 755 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 756 | |
| 757 | frame = &unwinder.frames()[1]; |
| 758 | EXPECT_EQ(1U, frame->num); |
| 759 | EXPECT_EQ(0U, frame->rel_pc); |
| 760 | EXPECT_EQ(0U, frame->pc); |
| 761 | EXPECT_EQ(0x10010U, frame->sp); |
| 762 | EXPECT_EQ("", frame->function_name); |
| 763 | EXPECT_EQ(0U, frame->function_offset); |
| 764 | EXPECT_EQ("", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 765 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 766 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | 065f156 | 2018-12-13 09:33:45 -0800 | [diff] [blame] | 767 | EXPECT_EQ(0U, frame->map_start); |
| 768 | EXPECT_EQ(0U, frame->map_end); |
| 769 | EXPECT_EQ(0U, frame->map_load_bias); |
| 770 | EXPECT_EQ(0, frame->map_flags); |
| 771 | } |
| 772 | |
| 773 | // Verify that a speculative frame is added and left if there are only |
| 774 | // two frames and the pc is in the middle nowhere. |
| 775 | TEST_F(UnwinderTest, speculative_frame_not_removed_pc_bad) { |
| 776 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 777 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame1", 1)); |
| 778 | |
| 779 | // Fake as if code called a nullptr function. |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 780 | regs_.set_pc(0); |
| 781 | regs_.set_sp(0x10000); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 782 | regs_.FakeSetReturnAddress(0x1202); |
| 783 | regs_.FakeSetReturnAddressValid(true); |
| 784 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 785 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 786 | unwinder.Unwind(); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 787 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 788 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 789 | |
Christopher Ferris | 065f156 | 2018-12-13 09:33:45 -0800 | [diff] [blame] | 790 | ASSERT_EQ(2U, unwinder.NumFrames()); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 791 | |
| 792 | auto* frame = &unwinder.frames()[0]; |
| 793 | EXPECT_EQ(0U, frame->num); |
| 794 | EXPECT_EQ(0U, frame->rel_pc); |
| 795 | EXPECT_EQ(0U, frame->pc); |
| 796 | EXPECT_EQ(0x10000U, frame->sp); |
| 797 | EXPECT_EQ("", frame->function_name); |
| 798 | EXPECT_EQ(0U, frame->function_offset); |
| 799 | EXPECT_EQ("", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 800 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 801 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 802 | EXPECT_EQ(0U, frame->map_start); |
| 803 | EXPECT_EQ(0U, frame->map_end); |
| 804 | EXPECT_EQ(0U, frame->map_load_bias); |
| 805 | EXPECT_EQ(0, frame->map_flags); |
Christopher Ferris | 065f156 | 2018-12-13 09:33:45 -0800 | [diff] [blame] | 806 | |
| 807 | frame = &unwinder.frames()[1]; |
| 808 | EXPECT_EQ(1U, frame->num); |
| 809 | EXPECT_EQ(0x200U, frame->rel_pc); |
| 810 | EXPECT_EQ(0x1200U, frame->pc); |
| 811 | EXPECT_EQ(0x10000U, frame->sp); |
| 812 | EXPECT_EQ("Frame0", frame->function_name); |
| 813 | EXPECT_EQ(0U, frame->function_offset); |
| 814 | EXPECT_EQ("/system/fake/libc.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 815 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 816 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | 065f156 | 2018-12-13 09:33:45 -0800 | [diff] [blame] | 817 | EXPECT_EQ(0x1000U, frame->map_start); |
| 818 | EXPECT_EQ(0x8000U, frame->map_end); |
| 819 | EXPECT_EQ(0U, frame->map_load_bias); |
| 820 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 821 | } |
| 822 | |
Florian Mayer | c479e4e | 2019-01-23 13:35:40 +0000 | [diff] [blame] | 823 | // Verify that a speculative frame does not cause a crash when it wasn't |
| 824 | // really added due to a filter. |
| 825 | TEST_F(UnwinderTest, speculative_frame_check_with_no_frames) { |
| 826 | regs_.set_pc(0x23000); |
| 827 | regs_.set_sp(0x10000); |
| 828 | regs_.FakeSetReturnAddress(0x23100); |
| 829 | regs_.FakeSetReturnAddressValid(true); |
| 830 | |
| 831 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
| 832 | |
| 833 | std::vector<std::string> skip_names{"libanother.so"}; |
| 834 | unwinder.Unwind(&skip_names); |
| 835 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 836 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Florian Mayer | c479e4e | 2019-01-23 13:35:40 +0000 | [diff] [blame] | 837 | |
| 838 | ASSERT_EQ(0U, unwinder.NumFrames()); |
| 839 | } |
| 840 | |
Christopher Ferris | e69f470 | 2017-10-19 16:08:58 -0700 | [diff] [blame] | 841 | // Verify that an unwind stops when a frame is in given suffix. |
| 842 | TEST_F(UnwinderTest, map_ignore_suffixes) { |
| 843 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 844 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame1", 1)); |
| 845 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame2", 2)); |
| 846 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame3", 3)); |
| 847 | |
| 848 | // Fake as if code called a nullptr function. |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 849 | regs_.set_pc(0x1000); |
| 850 | regs_.set_sp(0x10000); |
Christopher Ferris | e69f470 | 2017-10-19 16:08:58 -0700 | [diff] [blame] | 851 | ElfInterfaceFake::FakePushStepData(StepData(0x43402, 0x10010, false)); |
| 852 | ElfInterfaceFake::FakePushStepData(StepData(0x53502, 0x10020, false)); |
| 853 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 854 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 855 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | 1cb84ce | 2017-10-24 15:36:00 -0700 | [diff] [blame] | 856 | std::vector<std::string> suffixes{"oat"}; |
Christopher Ferris | e69f470 | 2017-10-19 16:08:58 -0700 | [diff] [blame] | 857 | unwinder.Unwind(nullptr, &suffixes); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 858 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 859 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | e69f470 | 2017-10-19 16:08:58 -0700 | [diff] [blame] | 860 | |
| 861 | ASSERT_EQ(2U, unwinder.NumFrames()); |
| 862 | // Make sure the elf was not initialized. |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 863 | MapInfo* map_info = maps_->Find(0x53000); |
Christopher Ferris | e69f470 | 2017-10-19 16:08:58 -0700 | [diff] [blame] | 864 | ASSERT_TRUE(map_info != nullptr); |
| 865 | EXPECT_TRUE(map_info->elf == nullptr); |
| 866 | |
| 867 | auto* frame = &unwinder.frames()[0]; |
| 868 | EXPECT_EQ(0U, frame->num); |
| 869 | EXPECT_EQ(0U, frame->rel_pc); |
| 870 | EXPECT_EQ(0x1000U, frame->pc); |
| 871 | EXPECT_EQ(0x10000U, frame->sp); |
| 872 | EXPECT_EQ("Frame0", frame->function_name); |
| 873 | EXPECT_EQ(0U, frame->function_offset); |
| 874 | EXPECT_EQ("/system/fake/libc.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 875 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 876 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | e69f470 | 2017-10-19 16:08:58 -0700 | [diff] [blame] | 877 | EXPECT_EQ(0x1000U, frame->map_start); |
| 878 | EXPECT_EQ(0x8000U, frame->map_end); |
| 879 | EXPECT_EQ(0U, frame->map_load_bias); |
| 880 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 881 | |
| 882 | frame = &unwinder.frames()[1]; |
| 883 | EXPECT_EQ(1U, frame->num); |
| 884 | EXPECT_EQ(0x400U, frame->rel_pc); |
| 885 | EXPECT_EQ(0x43400U, frame->pc); |
| 886 | EXPECT_EQ(0x10010U, frame->sp); |
| 887 | EXPECT_EQ("Frame1", frame->function_name); |
| 888 | EXPECT_EQ(1U, frame->function_offset); |
Christopher Ferris | 02a6c44 | 2019-03-11 14:43:33 -0700 | [diff] [blame] | 889 | EXPECT_EQ("/fake/fake.apk!lib_fake.so", frame->map_name); |
| 890 | EXPECT_EQ(0x1d000U, frame->map_elf_start_offset); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 891 | EXPECT_EQ(0x1d000U, frame->map_exact_offset); |
Christopher Ferris | e69f470 | 2017-10-19 16:08:58 -0700 | [diff] [blame] | 892 | EXPECT_EQ(0x43000U, frame->map_start); |
| 893 | EXPECT_EQ(0x44000U, frame->map_end); |
| 894 | EXPECT_EQ(0U, frame->map_load_bias); |
| 895 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 896 | } |
| 897 | |
Christopher Ferris | fda7edd | 2017-10-31 16:10:42 -0700 | [diff] [blame] | 898 | // Verify that an unwind stops when the sp and pc don't change. |
| 899 | TEST_F(UnwinderTest, sp_pc_do_not_change) { |
| 900 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 901 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame1", 1)); |
| 902 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame2", 2)); |
| 903 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame3", 3)); |
| 904 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame4", 4)); |
| 905 | |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 906 | regs_.set_pc(0x1000); |
| 907 | regs_.set_sp(0x10000); |
Christopher Ferris | fda7edd | 2017-10-31 16:10:42 -0700 | [diff] [blame] | 908 | ElfInterfaceFake::FakePushStepData(StepData(0x33402, 0x10010, false)); |
| 909 | ElfInterfaceFake::FakePushStepData(StepData(0x33502, 0x10020, false)); |
| 910 | ElfInterfaceFake::FakePushStepData(StepData(0x33502, 0x10020, false)); |
| 911 | ElfInterfaceFake::FakePushStepData(StepData(0x33502, 0x10020, false)); |
| 912 | ElfInterfaceFake::FakePushStepData(StepData(0x33502, 0x10020, false)); |
| 913 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 914 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 915 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | fda7edd | 2017-10-31 16:10:42 -0700 | [diff] [blame] | 916 | unwinder.Unwind(); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 917 | EXPECT_EQ(ERROR_REPEATED_FRAME, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 918 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | fda7edd | 2017-10-31 16:10:42 -0700 | [diff] [blame] | 919 | |
| 920 | ASSERT_EQ(3U, unwinder.NumFrames()); |
| 921 | |
| 922 | auto* frame = &unwinder.frames()[0]; |
| 923 | EXPECT_EQ(0U, frame->num); |
| 924 | EXPECT_EQ(0U, frame->rel_pc); |
| 925 | EXPECT_EQ(0x1000U, frame->pc); |
| 926 | EXPECT_EQ(0x10000U, frame->sp); |
| 927 | EXPECT_EQ("Frame0", frame->function_name); |
| 928 | EXPECT_EQ(0U, frame->function_offset); |
| 929 | EXPECT_EQ("/system/fake/libc.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 930 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 931 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | fda7edd | 2017-10-31 16:10:42 -0700 | [diff] [blame] | 932 | EXPECT_EQ(0x1000U, frame->map_start); |
| 933 | EXPECT_EQ(0x8000U, frame->map_end); |
| 934 | EXPECT_EQ(0U, frame->map_load_bias); |
| 935 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 936 | |
| 937 | frame = &unwinder.frames()[1]; |
| 938 | EXPECT_EQ(1U, frame->num); |
| 939 | EXPECT_EQ(0x400U, frame->rel_pc); |
| 940 | EXPECT_EQ(0x33400U, frame->pc); |
| 941 | EXPECT_EQ(0x10010U, frame->sp); |
| 942 | EXPECT_EQ("Frame1", frame->function_name); |
| 943 | EXPECT_EQ(1U, frame->function_offset); |
| 944 | EXPECT_EQ("/fake/compressed.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 945 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 946 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | fda7edd | 2017-10-31 16:10:42 -0700 | [diff] [blame] | 947 | EXPECT_EQ(0x33000U, frame->map_start); |
| 948 | EXPECT_EQ(0x34000U, frame->map_end); |
| 949 | EXPECT_EQ(0U, frame->map_load_bias); |
| 950 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 951 | |
| 952 | frame = &unwinder.frames()[2]; |
| 953 | EXPECT_EQ(2U, frame->num); |
| 954 | EXPECT_EQ(0x500U, frame->rel_pc); |
| 955 | EXPECT_EQ(0x33500U, frame->pc); |
| 956 | EXPECT_EQ(0x10020U, frame->sp); |
| 957 | EXPECT_EQ("Frame2", frame->function_name); |
| 958 | EXPECT_EQ(2U, frame->function_offset); |
| 959 | EXPECT_EQ("/fake/compressed.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 960 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 961 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | fda7edd | 2017-10-31 16:10:42 -0700 | [diff] [blame] | 962 | EXPECT_EQ(0x33000U, frame->map_start); |
| 963 | EXPECT_EQ(0x34000U, frame->map_end); |
| 964 | EXPECT_EQ(0U, frame->map_load_bias); |
| 965 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 966 | } |
| 967 | |
Christopher Ferris | e762f1f | 2018-02-06 14:51:48 -0800 | [diff] [blame] | 968 | TEST_F(UnwinderTest, dex_pc_in_map) { |
| 969 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 970 | regs_.set_pc(0x1000); |
| 971 | regs_.set_sp(0x10000); |
Christopher Ferris | e762f1f | 2018-02-06 14:51:48 -0800 | [diff] [blame] | 972 | regs_.FakeSetDexPc(0xa3400); |
| 973 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 974 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | e762f1f | 2018-02-06 14:51:48 -0800 | [diff] [blame] | 975 | unwinder.Unwind(); |
| 976 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 977 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | e762f1f | 2018-02-06 14:51:48 -0800 | [diff] [blame] | 978 | |
| 979 | ASSERT_EQ(2U, unwinder.NumFrames()); |
| 980 | |
| 981 | auto* frame = &unwinder.frames()[0]; |
| 982 | EXPECT_EQ(0U, frame->num); |
| 983 | EXPECT_EQ(0x400U, frame->rel_pc); |
| 984 | EXPECT_EQ(0xa3400U, frame->pc); |
| 985 | EXPECT_EQ(0x10000U, frame->sp); |
| 986 | EXPECT_EQ("", frame->function_name); |
| 987 | EXPECT_EQ(0U, frame->function_offset); |
| 988 | EXPECT_EQ("/fake/fake.vdex", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 989 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 990 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | e762f1f | 2018-02-06 14:51:48 -0800 | [diff] [blame] | 991 | EXPECT_EQ(0xa3000U, frame->map_start); |
| 992 | EXPECT_EQ(0xa4000U, frame->map_end); |
| 993 | EXPECT_EQ(0U, frame->map_load_bias); |
| 994 | EXPECT_EQ(PROT_READ | PROT_WRITE | PROT_EXEC, frame->map_flags); |
| 995 | |
| 996 | frame = &unwinder.frames()[1]; |
| 997 | EXPECT_EQ(1U, frame->num); |
| 998 | EXPECT_EQ(0U, frame->rel_pc); |
| 999 | EXPECT_EQ(0x1000U, frame->pc); |
| 1000 | EXPECT_EQ(0x10000U, frame->sp); |
| 1001 | EXPECT_EQ("Frame0", frame->function_name); |
| 1002 | EXPECT_EQ(0U, frame->function_offset); |
| 1003 | EXPECT_EQ("/system/fake/libc.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 1004 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 1005 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | e762f1f | 2018-02-06 14:51:48 -0800 | [diff] [blame] | 1006 | EXPECT_EQ(0x1000U, frame->map_start); |
| 1007 | EXPECT_EQ(0x8000U, frame->map_end); |
| 1008 | EXPECT_EQ(0U, frame->map_load_bias); |
| 1009 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 1010 | } |
| 1011 | |
| 1012 | TEST_F(UnwinderTest, dex_pc_not_in_map) { |
| 1013 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 1014 | regs_.set_pc(0x1000); |
| 1015 | regs_.set_sp(0x10000); |
Christopher Ferris | e762f1f | 2018-02-06 14:51:48 -0800 | [diff] [blame] | 1016 | regs_.FakeSetDexPc(0x50000); |
| 1017 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 1018 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | e762f1f | 2018-02-06 14:51:48 -0800 | [diff] [blame] | 1019 | unwinder.Unwind(); |
| 1020 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 1021 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | e762f1f | 2018-02-06 14:51:48 -0800 | [diff] [blame] | 1022 | |
| 1023 | ASSERT_EQ(2U, unwinder.NumFrames()); |
| 1024 | |
| 1025 | auto* frame = &unwinder.frames()[0]; |
| 1026 | EXPECT_EQ(0U, frame->num); |
| 1027 | EXPECT_EQ(0x50000U, frame->rel_pc); |
| 1028 | EXPECT_EQ(0x50000U, frame->pc); |
| 1029 | EXPECT_EQ(0x10000U, frame->sp); |
| 1030 | EXPECT_EQ("", frame->function_name); |
| 1031 | EXPECT_EQ(0U, frame->function_offset); |
| 1032 | EXPECT_EQ("", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 1033 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 1034 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | e762f1f | 2018-02-06 14:51:48 -0800 | [diff] [blame] | 1035 | EXPECT_EQ(0U, frame->map_start); |
| 1036 | EXPECT_EQ(0U, frame->map_end); |
| 1037 | EXPECT_EQ(0U, frame->map_load_bias); |
| 1038 | EXPECT_EQ(0, frame->map_flags); |
| 1039 | |
| 1040 | frame = &unwinder.frames()[1]; |
| 1041 | EXPECT_EQ(1U, frame->num); |
| 1042 | EXPECT_EQ(0U, frame->rel_pc); |
| 1043 | EXPECT_EQ(0x1000U, frame->pc); |
| 1044 | EXPECT_EQ(0x10000U, frame->sp); |
| 1045 | EXPECT_EQ("Frame0", frame->function_name); |
| 1046 | EXPECT_EQ(0U, frame->function_offset); |
| 1047 | EXPECT_EQ("/system/fake/libc.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 1048 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 1049 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | e762f1f | 2018-02-06 14:51:48 -0800 | [diff] [blame] | 1050 | EXPECT_EQ(0x1000U, frame->map_start); |
| 1051 | EXPECT_EQ(0x8000U, frame->map_end); |
| 1052 | EXPECT_EQ(0U, frame->map_load_bias); |
| 1053 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 1054 | } |
| 1055 | |
Christopher Ferris | a8c3973 | 2018-02-12 08:46:19 -0800 | [diff] [blame] | 1056 | TEST_F(UnwinderTest, dex_pc_multiple_frames) { |
| 1057 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 1058 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame1", 1)); |
Yabin Cui | 11e96fe | 2018-03-14 18:16:22 -0700 | [diff] [blame] | 1059 | regs_.set_pc(0x1000); |
| 1060 | regs_.set_sp(0x10000); |
Christopher Ferris | a8c3973 | 2018-02-12 08:46:19 -0800 | [diff] [blame] | 1061 | regs_.FakeSetDexPc(0xa3400); |
| 1062 | ElfInterfaceFake::FakePushStepData(StepData(0x33402, 0x10010, false)); |
| 1063 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 1064 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 1065 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | a8c3973 | 2018-02-12 08:46:19 -0800 | [diff] [blame] | 1066 | unwinder.Unwind(); |
| 1067 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 1068 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | a8c3973 | 2018-02-12 08:46:19 -0800 | [diff] [blame] | 1069 | |
| 1070 | ASSERT_EQ(3U, unwinder.NumFrames()); |
| 1071 | |
| 1072 | auto* frame = &unwinder.frames()[0]; |
| 1073 | EXPECT_EQ(0U, frame->num); |
| 1074 | EXPECT_EQ(0x400U, frame->rel_pc); |
| 1075 | EXPECT_EQ(0xa3400U, frame->pc); |
| 1076 | EXPECT_EQ(0x10000U, frame->sp); |
| 1077 | EXPECT_EQ("", frame->function_name); |
| 1078 | EXPECT_EQ(0U, frame->function_offset); |
| 1079 | EXPECT_EQ("/fake/fake.vdex", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 1080 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 1081 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | a8c3973 | 2018-02-12 08:46:19 -0800 | [diff] [blame] | 1082 | EXPECT_EQ(0xa3000U, frame->map_start); |
| 1083 | EXPECT_EQ(0xa4000U, frame->map_end); |
| 1084 | EXPECT_EQ(0U, frame->map_load_bias); |
| 1085 | EXPECT_EQ(PROT_READ | PROT_WRITE | PROT_EXEC, frame->map_flags); |
| 1086 | |
| 1087 | frame = &unwinder.frames()[1]; |
| 1088 | EXPECT_EQ(1U, frame->num); |
| 1089 | EXPECT_EQ(0U, frame->rel_pc); |
| 1090 | EXPECT_EQ(0x1000U, frame->pc); |
| 1091 | EXPECT_EQ(0x10000U, frame->sp); |
| 1092 | EXPECT_EQ("Frame0", frame->function_name); |
| 1093 | EXPECT_EQ(0U, frame->function_offset); |
| 1094 | EXPECT_EQ("/system/fake/libc.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 1095 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 1096 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | a8c3973 | 2018-02-12 08:46:19 -0800 | [diff] [blame] | 1097 | EXPECT_EQ(0x1000U, frame->map_start); |
| 1098 | EXPECT_EQ(0x8000U, frame->map_end); |
| 1099 | EXPECT_EQ(0U, frame->map_load_bias); |
| 1100 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 1101 | |
| 1102 | frame = &unwinder.frames()[2]; |
| 1103 | EXPECT_EQ(2U, frame->num); |
| 1104 | EXPECT_EQ(0x400U, frame->rel_pc); |
| 1105 | EXPECT_EQ(0x33400U, frame->pc); |
| 1106 | EXPECT_EQ(0x10010U, frame->sp); |
| 1107 | EXPECT_EQ("Frame1", frame->function_name); |
| 1108 | EXPECT_EQ(1U, frame->function_offset); |
| 1109 | EXPECT_EQ("/fake/compressed.so", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 1110 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 1111 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | a8c3973 | 2018-02-12 08:46:19 -0800 | [diff] [blame] | 1112 | EXPECT_EQ(0x33000U, frame->map_start); |
| 1113 | EXPECT_EQ(0x34000U, frame->map_end); |
| 1114 | EXPECT_EQ(0U, frame->map_load_bias); |
| 1115 | EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags); |
| 1116 | } |
| 1117 | |
Christopher Ferris | 9d0ad23 | 2018-10-12 16:33:42 -0700 | [diff] [blame] | 1118 | TEST_F(UnwinderTest, dex_pc_max_frames) { |
| 1119 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 1120 | regs_.set_pc(0x1000); |
| 1121 | regs_.set_sp(0x10000); |
| 1122 | regs_.FakeSetDexPc(0xa3400); |
| 1123 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 1124 | Unwinder unwinder(1, maps_.get(), ®s_, process_memory_); |
Christopher Ferris | 9d0ad23 | 2018-10-12 16:33:42 -0700 | [diff] [blame] | 1125 | unwinder.Unwind(); |
| 1126 | EXPECT_EQ(ERROR_MAX_FRAMES_EXCEEDED, unwinder.LastErrorCode()); |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 1127 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
Christopher Ferris | 9d0ad23 | 2018-10-12 16:33:42 -0700 | [diff] [blame] | 1128 | |
| 1129 | ASSERT_EQ(1U, unwinder.NumFrames()); |
| 1130 | |
| 1131 | auto* frame = &unwinder.frames()[0]; |
| 1132 | EXPECT_EQ(0U, frame->num); |
| 1133 | EXPECT_EQ(0x400U, frame->rel_pc); |
| 1134 | EXPECT_EQ(0xa3400U, frame->pc); |
| 1135 | EXPECT_EQ(0x10000U, frame->sp); |
| 1136 | EXPECT_EQ("", frame->function_name); |
| 1137 | EXPECT_EQ(0U, frame->function_offset); |
| 1138 | EXPECT_EQ("/fake/fake.vdex", frame->map_name); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 1139 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 1140 | EXPECT_EQ(0U, frame->map_exact_offset); |
Christopher Ferris | 9d0ad23 | 2018-10-12 16:33:42 -0700 | [diff] [blame] | 1141 | EXPECT_EQ(0xa3000U, frame->map_start); |
| 1142 | EXPECT_EQ(0xa4000U, frame->map_end); |
| 1143 | EXPECT_EQ(0U, frame->map_load_bias); |
| 1144 | EXPECT_EQ(PROT_READ | PROT_WRITE | PROT_EXEC, frame->map_flags); |
| 1145 | } |
| 1146 | |
Christopher Ferris | 4ae266c | 2019-04-03 09:27:12 -0700 | [diff] [blame^] | 1147 | TEST_F(UnwinderTest, elf_from_memory_not_file) { |
| 1148 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 1149 | |
| 1150 | regs_.set_pc(0xc0050); |
| 1151 | regs_.set_sp(0x10000); |
| 1152 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 1153 | |
| 1154 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
| 1155 | unwinder.Unwind(); |
| 1156 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
| 1157 | EXPECT_TRUE(unwinder.elf_from_memory_not_file()); |
| 1158 | |
| 1159 | ASSERT_EQ(1U, unwinder.NumFrames()); |
| 1160 | |
| 1161 | auto* frame = &unwinder.frames()[0]; |
| 1162 | EXPECT_EQ(0U, frame->num); |
| 1163 | EXPECT_EQ(0x50U, frame->rel_pc); |
| 1164 | EXPECT_EQ(0xc0050U, frame->pc); |
| 1165 | EXPECT_EQ(0x10000U, frame->sp); |
| 1166 | EXPECT_EQ("Frame0", frame->function_name); |
| 1167 | EXPECT_EQ(0U, frame->function_offset); |
| 1168 | EXPECT_EQ("/fake/unreadable.so", frame->map_name); |
| 1169 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 1170 | EXPECT_EQ(0U, frame->map_exact_offset); |
| 1171 | EXPECT_EQ(0xc0000U, frame->map_start); |
| 1172 | EXPECT_EQ(0xc1000U, frame->map_end); |
| 1173 | EXPECT_EQ(0U, frame->map_load_bias); |
| 1174 | EXPECT_EQ(PROT_READ | PROT_WRITE | PROT_EXEC, frame->map_flags); |
| 1175 | } |
| 1176 | |
| 1177 | TEST_F(UnwinderTest, elf_from_memory_but_no_valid_file_with_bracket) { |
| 1178 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 1179 | |
| 1180 | regs_.set_pc(0xc1050); |
| 1181 | regs_.set_sp(0x10000); |
| 1182 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 1183 | |
| 1184 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
| 1185 | unwinder.Unwind(); |
| 1186 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
| 1187 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
| 1188 | |
| 1189 | ASSERT_EQ(1U, unwinder.NumFrames()); |
| 1190 | |
| 1191 | auto* frame = &unwinder.frames()[0]; |
| 1192 | EXPECT_EQ(0U, frame->num); |
| 1193 | EXPECT_EQ(0x50U, frame->rel_pc); |
| 1194 | EXPECT_EQ(0xc1050U, frame->pc); |
| 1195 | EXPECT_EQ(0x10000U, frame->sp); |
| 1196 | EXPECT_EQ("Frame0", frame->function_name); |
| 1197 | EXPECT_EQ(0U, frame->function_offset); |
| 1198 | EXPECT_EQ("[vdso]", frame->map_name); |
| 1199 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 1200 | EXPECT_EQ(0U, frame->map_exact_offset); |
| 1201 | EXPECT_EQ(0xc1000U, frame->map_start); |
| 1202 | EXPECT_EQ(0xc2000U, frame->map_end); |
| 1203 | EXPECT_EQ(0U, frame->map_load_bias); |
| 1204 | EXPECT_EQ(PROT_READ | PROT_WRITE | PROT_EXEC, frame->map_flags); |
| 1205 | } |
| 1206 | |
| 1207 | TEST_F(UnwinderTest, elf_from_memory_but_empty_filename) { |
| 1208 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0)); |
| 1209 | |
| 1210 | regs_.set_pc(0xc2050); |
| 1211 | regs_.set_sp(0x10000); |
| 1212 | ElfInterfaceFake::FakePushStepData(StepData(0, 0, true)); |
| 1213 | |
| 1214 | Unwinder unwinder(64, maps_.get(), ®s_, process_memory_); |
| 1215 | unwinder.Unwind(); |
| 1216 | EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode()); |
| 1217 | EXPECT_FALSE(unwinder.elf_from_memory_not_file()); |
| 1218 | |
| 1219 | ASSERT_EQ(1U, unwinder.NumFrames()); |
| 1220 | |
| 1221 | auto* frame = &unwinder.frames()[0]; |
| 1222 | EXPECT_EQ(0U, frame->num); |
| 1223 | EXPECT_EQ(0x50U, frame->rel_pc); |
| 1224 | EXPECT_EQ(0xc2050U, frame->pc); |
| 1225 | EXPECT_EQ(0x10000U, frame->sp); |
| 1226 | EXPECT_EQ("Frame0", frame->function_name); |
| 1227 | EXPECT_EQ(0U, frame->function_offset); |
| 1228 | EXPECT_EQ("", frame->map_name); |
| 1229 | EXPECT_EQ(0U, frame->map_elf_start_offset); |
| 1230 | EXPECT_EQ(0U, frame->map_exact_offset); |
| 1231 | EXPECT_EQ(0xc2000U, frame->map_start); |
| 1232 | EXPECT_EQ(0xc3000U, frame->map_end); |
| 1233 | EXPECT_EQ(0U, frame->map_load_bias); |
| 1234 | EXPECT_EQ(PROT_READ | PROT_WRITE | PROT_EXEC, frame->map_flags); |
| 1235 | } |
| 1236 | |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1237 | // Verify format frame code. |
Christopher Ferris | 7813345 | 2019-03-14 13:44:38 -0700 | [diff] [blame] | 1238 | TEST_F(UnwinderTest, format_frame) { |
| 1239 | RegsFake regs_arm(10); |
| 1240 | regs_arm.FakeSetArch(ARCH_ARM); |
| 1241 | Unwinder unwinder32(10, maps_.get(), ®s_arm, process_memory_); |
| 1242 | |
| 1243 | RegsFake regs_arm64(10); |
| 1244 | regs_arm64.FakeSetArch(ARCH_ARM64); |
| 1245 | Unwinder unwinder64(10, maps_.get(), ®s_arm64, process_memory_); |
| 1246 | |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1247 | FrameData frame; |
| 1248 | frame.num = 1; |
| 1249 | frame.rel_pc = 0x1000; |
| 1250 | frame.pc = 0x4000; |
| 1251 | frame.sp = 0x1000; |
| 1252 | frame.function_name = "function"; |
| 1253 | frame.function_offset = 100; |
| 1254 | frame.map_name = "/fake/libfake.so"; |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 1255 | frame.map_elf_start_offset = 0x2000; |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1256 | frame.map_start = 0x3000; |
| 1257 | frame.map_end = 0x6000; |
| 1258 | frame.map_flags = PROT_READ; |
| 1259 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 1260 | EXPECT_EQ(" #01 pc 0000000000001000 /fake/libfake.so (offset 0x2000) (function+100)", |
Christopher Ferris | 7813345 | 2019-03-14 13:44:38 -0700 | [diff] [blame] | 1261 | unwinder64.FormatFrame(frame)); |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 1262 | EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so (offset 0x2000) (function+100)", |
Christopher Ferris | 7813345 | 2019-03-14 13:44:38 -0700 | [diff] [blame] | 1263 | unwinder32.FormatFrame(frame)); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1264 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 1265 | frame.map_elf_start_offset = 0; |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1266 | EXPECT_EQ(" #01 pc 0000000000001000 /fake/libfake.so (function+100)", |
Christopher Ferris | 7813345 | 2019-03-14 13:44:38 -0700 | [diff] [blame] | 1267 | unwinder64.FormatFrame(frame)); |
| 1268 | EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so (function+100)", unwinder32.FormatFrame(frame)); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1269 | |
| 1270 | frame.function_offset = 0; |
| 1271 | EXPECT_EQ(" #01 pc 0000000000001000 /fake/libfake.so (function)", |
Christopher Ferris | 7813345 | 2019-03-14 13:44:38 -0700 | [diff] [blame] | 1272 | unwinder64.FormatFrame(frame)); |
| 1273 | EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so (function)", unwinder32.FormatFrame(frame)); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1274 | |
Christopher Ferris | eb0772f | 2018-12-05 15:57:02 -0800 | [diff] [blame] | 1275 | // Verify the function name is demangled. |
| 1276 | frame.function_name = "_ZN4funcEv"; |
Christopher Ferris | 7813345 | 2019-03-14 13:44:38 -0700 | [diff] [blame] | 1277 | EXPECT_EQ(" #01 pc 0000000000001000 /fake/libfake.so (func())", unwinder64.FormatFrame(frame)); |
| 1278 | EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so (func())", unwinder32.FormatFrame(frame)); |
Christopher Ferris | eb0772f | 2018-12-05 15:57:02 -0800 | [diff] [blame] | 1279 | |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1280 | frame.function_name = ""; |
Christopher Ferris | 7813345 | 2019-03-14 13:44:38 -0700 | [diff] [blame] | 1281 | EXPECT_EQ(" #01 pc 0000000000001000 /fake/libfake.so", unwinder64.FormatFrame(frame)); |
| 1282 | EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so", unwinder32.FormatFrame(frame)); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1283 | |
| 1284 | frame.map_name = ""; |
Christopher Ferris | 7813345 | 2019-03-14 13:44:38 -0700 | [diff] [blame] | 1285 | EXPECT_EQ(" #01 pc 0000000000001000 <anonymous:3000>", unwinder64.FormatFrame(frame)); |
| 1286 | EXPECT_EQ(" #01 pc 00001000 <anonymous:3000>", unwinder32.FormatFrame(frame)); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1287 | |
| 1288 | frame.map_start = 0; |
| 1289 | frame.map_end = 0; |
Christopher Ferris | 7813345 | 2019-03-14 13:44:38 -0700 | [diff] [blame] | 1290 | EXPECT_EQ(" #01 pc 0000000000001000 <unknown>", unwinder64.FormatFrame(frame)); |
| 1291 | EXPECT_EQ(" #01 pc 00001000 <unknown>", unwinder32.FormatFrame(frame)); |
| 1292 | } |
| 1293 | |
| 1294 | TEST_F(UnwinderTest, format_frame_build_id) { |
| 1295 | RegsFake regs(10); |
| 1296 | regs.FakeSetArch(ARCH_ARM); |
| 1297 | Unwinder unwinder(10, maps_.get(), ®s, process_memory_); |
| 1298 | |
| 1299 | FrameData frame; |
| 1300 | frame.num = 1; |
| 1301 | frame.rel_pc = 0x1000; |
| 1302 | frame.pc = 0x4000; |
| 1303 | frame.sp = 0x1000; |
| 1304 | frame.function_name = "function"; |
| 1305 | frame.function_offset = 100; |
| 1306 | frame.map_name = "/fake/libfake.so"; |
| 1307 | frame.map_elf_start_offset = 0; |
| 1308 | frame.map_start = 0x3000; |
| 1309 | frame.map_end = 0x6000; |
| 1310 | frame.map_flags = PROT_READ; |
| 1311 | |
| 1312 | EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so (function+100)", unwinder.FormatFrame(frame)); |
| 1313 | unwinder.SetDisplayBuildID(true); |
| 1314 | EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so (function+100) (BuildId: 46414b45)", |
| 1315 | unwinder.FormatFrame(frame)); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1316 | } |
| 1317 | |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 1318 | static std::string ArchToString(ArchEnum arch) { |
| 1319 | if (arch == ARCH_ARM) { |
| 1320 | return "Arm"; |
| 1321 | } else if (arch == ARCH_ARM64) { |
| 1322 | return "Arm64"; |
| 1323 | } else if (arch == ARCH_X86) { |
| 1324 | return "X86"; |
| 1325 | } else if (arch == ARCH_X86_64) { |
| 1326 | return "X86_64"; |
| 1327 | } else { |
| 1328 | return "Unknown"; |
| 1329 | } |
| 1330 | } |
| 1331 | |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1332 | // Verify format frame code. |
Christopher Ferris | 7813345 | 2019-03-14 13:44:38 -0700 | [diff] [blame] | 1333 | TEST_F(UnwinderTest, format_frame_by_arch) { |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 1334 | std::vector<Regs*> reg_list; |
| 1335 | RegsArm* arm = new RegsArm; |
| 1336 | arm->set_pc(0x2300); |
| 1337 | arm->set_sp(0x10000); |
| 1338 | reg_list.push_back(arm); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1339 | |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 1340 | RegsArm64* arm64 = new RegsArm64; |
| 1341 | arm64->set_pc(0x2300); |
| 1342 | arm64->set_sp(0x10000); |
| 1343 | reg_list.push_back(arm64); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1344 | |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 1345 | RegsX86* x86 = new RegsX86; |
| 1346 | x86->set_pc(0x2300); |
| 1347 | x86->set_sp(0x10000); |
| 1348 | reg_list.push_back(x86); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1349 | |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 1350 | RegsX86_64* x86_64 = new RegsX86_64; |
| 1351 | x86_64->set_pc(0x2300); |
| 1352 | x86_64->set_sp(0x10000); |
| 1353 | reg_list.push_back(x86_64); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1354 | |
Douglas Leung | 61b1a1a | 2017-11-08 10:53:53 +0100 | [diff] [blame] | 1355 | RegsMips* mips = new RegsMips; |
| 1356 | mips->set_pc(0x2300); |
| 1357 | mips->set_sp(0x10000); |
| 1358 | reg_list.push_back(mips); |
| 1359 | |
| 1360 | RegsMips64* mips64 = new RegsMips64; |
| 1361 | mips64->set_pc(0x2300); |
| 1362 | mips64->set_sp(0x10000); |
| 1363 | reg_list.push_back(mips64); |
| 1364 | |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 1365 | for (auto regs : reg_list) { |
| 1366 | ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 10)); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1367 | |
Christopher Ferris | a09c4a6 | 2018-12-13 16:08:50 -0800 | [diff] [blame] | 1368 | Unwinder unwinder(64, maps_.get(), regs, process_memory_); |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 1369 | unwinder.Unwind(); |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1370 | |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 1371 | ASSERT_EQ(1U, unwinder.NumFrames()); |
| 1372 | std::string expected; |
| 1373 | switch (regs->Arch()) { |
| 1374 | case ARCH_ARM: |
| 1375 | case ARCH_X86: |
Douglas Leung | 61b1a1a | 2017-11-08 10:53:53 +0100 | [diff] [blame] | 1376 | case ARCH_MIPS: |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 1377 | expected = " #00 pc 00001300 /system/fake/libc.so (Frame0+10)"; |
| 1378 | break; |
| 1379 | case ARCH_ARM64: |
| 1380 | case ARCH_X86_64: |
Douglas Leung | 61b1a1a | 2017-11-08 10:53:53 +0100 | [diff] [blame] | 1381 | case ARCH_MIPS64: |
Christopher Ferris | 02fdb56 | 2017-12-08 15:04:49 -0800 | [diff] [blame] | 1382 | expected = " #00 pc 0000000000001300 /system/fake/libc.so (Frame0+10)"; |
| 1383 | break; |
| 1384 | default: |
| 1385 | expected = ""; |
| 1386 | } |
| 1387 | EXPECT_EQ(expected, unwinder.FormatFrame(0)) |
| 1388 | << "Mismatch of frame format for regs arch " << ArchToString(regs->Arch()); |
| 1389 | delete regs; |
| 1390 | } |
Christopher Ferris | f6f691b | 2017-09-25 19:23:07 -0700 | [diff] [blame] | 1391 | } |
| 1392 | |
| 1393 | } // namespace unwindstack |