Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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 <stdint.h> |
| 18 | |
| 19 | #include <gmock/gmock.h> |
| 20 | #include <gtest/gtest.h> |
| 21 | |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 22 | #include <unwindstack/DwarfError.h> |
| 23 | |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 24 | #include "DwarfEhFrameWithHdr.h" |
| 25 | #include "DwarfEncoding.h" |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 26 | |
| 27 | #include "LogFake.h" |
| 28 | #include "MemoryFake.h" |
| 29 | |
| 30 | namespace unwindstack { |
| 31 | |
| 32 | template <typename TypeParam> |
Christopher Ferris | 92acaac | 2018-06-21 10:44:02 -0700 | [diff] [blame] | 33 | class TestDwarfEhFrameWithHdr : public DwarfEhFrameWithHdr<TypeParam> { |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 34 | public: |
Christopher Ferris | 92acaac | 2018-06-21 10:44:02 -0700 | [diff] [blame] | 35 | TestDwarfEhFrameWithHdr(Memory* memory) : DwarfEhFrameWithHdr<TypeParam>(memory) {} |
| 36 | ~TestDwarfEhFrameWithHdr() = default; |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 37 | |
| 38 | void TestSetTableEncoding(uint8_t encoding) { this->table_encoding_ = encoding; } |
| 39 | void TestSetEntriesOffset(uint64_t offset) { this->entries_offset_ = offset; } |
| 40 | void TestSetEntriesEnd(uint64_t end) { this->entries_end_ = end; } |
| 41 | void TestSetEntriesDataOffset(uint64_t offset) { this->entries_data_offset_ = offset; } |
| 42 | void TestSetCurEntriesOffset(uint64_t offset) { this->cur_entries_offset_ = offset; } |
| 43 | void TestSetTableEntrySize(size_t size) { this->table_entry_size_ = size; } |
| 44 | |
| 45 | void TestSetFdeCount(uint64_t count) { this->fde_count_ = count; } |
| 46 | void TestSetFdeInfo(uint64_t index, const typename DwarfEhFrameWithHdr<TypeParam>::FdeInfo& info) { |
| 47 | this->fde_info_[index] = info; |
| 48 | } |
| 49 | |
| 50 | uint8_t TestGetVersion() { return this->version_; } |
| 51 | uint8_t TestGetPtrEncoding() { return this->ptr_encoding_; } |
| 52 | uint64_t TestGetPtrOffset() { return this->ptr_offset_; } |
| 53 | uint8_t TestGetTableEncoding() { return this->table_encoding_; } |
| 54 | uint64_t TestGetTableEntrySize() { return this->table_entry_size_; } |
| 55 | uint64_t TestGetFdeCount() { return this->fde_count_; } |
| 56 | uint64_t TestGetEntriesOffset() { return this->entries_offset_; } |
| 57 | uint64_t TestGetEntriesEnd() { return this->entries_end_; } |
| 58 | uint64_t TestGetEntriesDataOffset() { return this->entries_data_offset_; } |
| 59 | uint64_t TestGetCurEntriesOffset() { return this->cur_entries_offset_; } |
| 60 | }; |
| 61 | |
| 62 | template <typename TypeParam> |
| 63 | class DwarfEhFrameWithHdrTest : public ::testing::Test { |
| 64 | protected: |
| 65 | void SetUp() override { |
| 66 | memory_.Clear(); |
Christopher Ferris | 92acaac | 2018-06-21 10:44:02 -0700 | [diff] [blame] | 67 | eh_frame_ = new TestDwarfEhFrameWithHdr<TypeParam>(&memory_); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 68 | ResetLogs(); |
| 69 | } |
| 70 | |
| 71 | void TearDown() override { delete eh_frame_; } |
| 72 | |
| 73 | MemoryFake memory_; |
Christopher Ferris | 92acaac | 2018-06-21 10:44:02 -0700 | [diff] [blame] | 74 | TestDwarfEhFrameWithHdr<TypeParam>* eh_frame_ = nullptr; |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 75 | }; |
Christopher Ferris | 7e21eba | 2019-06-20 16:16:42 -0700 | [diff] [blame] | 76 | TYPED_TEST_SUITE_P(DwarfEhFrameWithHdrTest); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 77 | |
| 78 | // NOTE: All test class variables need to be referenced as this->. |
| 79 | |
| 80 | TYPED_TEST_P(DwarfEhFrameWithHdrTest, Init) { |
| 81 | this->memory_.SetMemory( |
| 82 | 0x1000, std::vector<uint8_t>{0x1, DW_EH_PE_udata2, DW_EH_PE_udata4, DW_EH_PE_sdata4}); |
| 83 | this->memory_.SetData16(0x1004, 0x500); |
| 84 | this->memory_.SetData32(0x1006, 126); |
| 85 | |
Christopher Ferris | 4cc36d2 | 2018-06-06 14:47:31 -0700 | [diff] [blame] | 86 | ASSERT_TRUE(this->eh_frame_->Init(0x1000, 0x100, 0)); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 87 | EXPECT_EQ(1U, this->eh_frame_->TestGetVersion()); |
| 88 | EXPECT_EQ(DW_EH_PE_udata2, this->eh_frame_->TestGetPtrEncoding()); |
| 89 | EXPECT_EQ(DW_EH_PE_sdata4, this->eh_frame_->TestGetTableEncoding()); |
| 90 | EXPECT_EQ(4U, this->eh_frame_->TestGetTableEntrySize()); |
| 91 | EXPECT_EQ(126U, this->eh_frame_->TestGetFdeCount()); |
| 92 | EXPECT_EQ(0x500U, this->eh_frame_->TestGetPtrOffset()); |
| 93 | EXPECT_EQ(0x100aU, this->eh_frame_->TestGetEntriesOffset()); |
| 94 | EXPECT_EQ(0x1100U, this->eh_frame_->TestGetEntriesEnd()); |
| 95 | EXPECT_EQ(0x1000U, this->eh_frame_->TestGetEntriesDataOffset()); |
| 96 | EXPECT_EQ(0x100aU, this->eh_frame_->TestGetCurEntriesOffset()); |
| 97 | |
Christopher Ferris | 22d8e8e | 2019-03-29 12:34:58 -0700 | [diff] [blame] | 98 | // Verify a zero table entry size fails to init. |
| 99 | this->memory_.SetData8(0x1003, 0x1); |
| 100 | ASSERT_FALSE(this->eh_frame_->Init(0x1000, 0x100, 0)); |
| 101 | ASSERT_EQ(DWARF_ERROR_ILLEGAL_VALUE, this->eh_frame_->LastErrorCode()); |
| 102 | // Reset the value back to the original. |
| 103 | this->memory_.SetData8(0x1003, DW_EH_PE_sdata4); |
| 104 | |
Christopher Ferris | 1a141a0 | 2018-01-24 08:52:47 -0800 | [diff] [blame] | 105 | // Verify a zero fde count fails to init. |
| 106 | this->memory_.SetData32(0x1006, 0); |
Christopher Ferris | 4cc36d2 | 2018-06-06 14:47:31 -0700 | [diff] [blame] | 107 | ASSERT_FALSE(this->eh_frame_->Init(0x1000, 0x100, 0)); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 108 | ASSERT_EQ(DWARF_ERROR_NO_FDES, this->eh_frame_->LastErrorCode()); |
Christopher Ferris | 1a141a0 | 2018-01-24 08:52:47 -0800 | [diff] [blame] | 109 | |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 110 | // Verify an unexpected version will cause a fail. |
Christopher Ferris | 1a141a0 | 2018-01-24 08:52:47 -0800 | [diff] [blame] | 111 | this->memory_.SetData32(0x1006, 126); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 112 | this->memory_.SetData8(0x1000, 0); |
Christopher Ferris | 4cc36d2 | 2018-06-06 14:47:31 -0700 | [diff] [blame] | 113 | ASSERT_FALSE(this->eh_frame_->Init(0x1000, 0x100, 0)); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 114 | ASSERT_EQ(DWARF_ERROR_UNSUPPORTED_VERSION, this->eh_frame_->LastErrorCode()); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 115 | this->memory_.SetData8(0x1000, 2); |
Christopher Ferris | 4cc36d2 | 2018-06-06 14:47:31 -0700 | [diff] [blame] | 116 | ASSERT_FALSE(this->eh_frame_->Init(0x1000, 0x100, 0)); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 117 | ASSERT_EQ(DWARF_ERROR_UNSUPPORTED_VERSION, this->eh_frame_->LastErrorCode()); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 118 | } |
| 119 | |
Christopher Ferris | 4cc36d2 | 2018-06-06 14:47:31 -0700 | [diff] [blame] | 120 | TYPED_TEST_P(DwarfEhFrameWithHdrTest, Init_non_zero_load_bias) { |
| 121 | this->memory_.SetMemory(0x1000, std::vector<uint8_t>{0x1, DW_EH_PE_udata2, DW_EH_PE_udata4, |
| 122 | DW_EH_PE_pcrel | DW_EH_PE_sdata4}); |
| 123 | this->memory_.SetData16(0x1004, 0x500); |
| 124 | this->memory_.SetData32(0x1006, 1); |
| 125 | this->memory_.SetData32(0x100a, 0x2500); |
| 126 | this->memory_.SetData32(0x100e, 0x1400); |
| 127 | |
| 128 | // CIE 32 information. |
| 129 | this->memory_.SetData32(0x1300, 0xfc); |
| 130 | this->memory_.SetData32(0x1304, 0); |
Christopher Ferris | 92acaac | 2018-06-21 10:44:02 -0700 | [diff] [blame] | 131 | this->memory_.SetMemory(0x1308, std::vector<uint8_t>{1, 'z', 'R', '\0', 0, 0, 0, 0, 0x1b}); |
Christopher Ferris | 4cc36d2 | 2018-06-06 14:47:31 -0700 | [diff] [blame] | 132 | |
| 133 | // FDE 32 information. |
| 134 | this->memory_.SetData32(0x1400, 0xfc); |
| 135 | this->memory_.SetData32(0x1404, 0x104); |
| 136 | this->memory_.SetData32(0x1408, 0x10f8); |
| 137 | this->memory_.SetData32(0x140c, 0x200); |
Christopher Ferris | 92acaac | 2018-06-21 10:44:02 -0700 | [diff] [blame] | 138 | this->memory_.SetData16(0x1410, 0); |
Christopher Ferris | 4cc36d2 | 2018-06-06 14:47:31 -0700 | [diff] [blame] | 139 | |
| 140 | ASSERT_TRUE(this->eh_frame_->Init(0x1000, 0x100, 0x2000)); |
| 141 | EXPECT_EQ(1U, this->eh_frame_->TestGetVersion()); |
| 142 | EXPECT_EQ(DW_EH_PE_udata2, this->eh_frame_->TestGetPtrEncoding()); |
| 143 | EXPECT_EQ(0x1b, this->eh_frame_->TestGetTableEncoding()); |
| 144 | EXPECT_EQ(4U, this->eh_frame_->TestGetTableEntrySize()); |
| 145 | EXPECT_EQ(1U, this->eh_frame_->TestGetFdeCount()); |
| 146 | EXPECT_EQ(0x500U, this->eh_frame_->TestGetPtrOffset()); |
| 147 | EXPECT_EQ(0x100aU, this->eh_frame_->TestGetEntriesOffset()); |
| 148 | EXPECT_EQ(0x1100U, this->eh_frame_->TestGetEntriesEnd()); |
| 149 | EXPECT_EQ(0x1000U, this->eh_frame_->TestGetEntriesDataOffset()); |
| 150 | EXPECT_EQ(0x100aU, this->eh_frame_->TestGetCurEntriesOffset()); |
| 151 | |
| 152 | const DwarfFde* fde = this->eh_frame_->GetFdeFromPc(0x4600); |
| 153 | ASSERT_TRUE(fde != nullptr); |
| 154 | EXPECT_EQ(0x4500U, fde->pc_start); |
| 155 | EXPECT_EQ(0x4700U, fde->pc_end); |
| 156 | } |
| 157 | |
Christopher Ferris | 92acaac | 2018-06-21 10:44:02 -0700 | [diff] [blame] | 158 | TYPED_TEST_P(DwarfEhFrameWithHdrTest, GetFdes) { |
| 159 | this->memory_.SetMemory( |
| 160 | 0x1000, std::vector<uint8_t>{1, DW_EH_PE_udata2, DW_EH_PE_udata4, DW_EH_PE_sdata4}); |
| 161 | this->memory_.SetData16(0x1004, 0x500); |
| 162 | this->memory_.SetData32(0x1006, 4); |
| 163 | |
| 164 | // Header information. |
| 165 | this->memory_.SetData32(0x100a, 0x4600); |
| 166 | this->memory_.SetData32(0x100e, 0x1500); |
| 167 | this->memory_.SetData32(0x1012, 0x5500); |
| 168 | this->memory_.SetData32(0x1016, 0x1400); |
| 169 | this->memory_.SetData32(0x101a, 0x6800); |
| 170 | this->memory_.SetData32(0x101e, 0x1700); |
| 171 | this->memory_.SetData32(0x1022, 0x7700); |
| 172 | this->memory_.SetData32(0x1026, 0x1600); |
| 173 | |
| 174 | // CIE 32 information. |
| 175 | this->memory_.SetData32(0x1300, 0xfc); |
| 176 | this->memory_.SetData32(0x1304, 0); |
| 177 | this->memory_.SetMemory(0x1308, std::vector<uint8_t>{1, '\0', 0, 0, 0}); |
| 178 | |
| 179 | // FDE 32 information. |
| 180 | // pc 0x5500 - 0x5700 |
| 181 | this->memory_.SetData32(0x1400, 0xfc); |
| 182 | this->memory_.SetData32(0x1404, 0x104); |
| 183 | this->memory_.SetData32(0x1408, 0x40f8); |
| 184 | this->memory_.SetData32(0x140c, 0x200); |
| 185 | |
| 186 | // pc 0x4600 - 0x4800 |
| 187 | this->memory_.SetData32(0x1500, 0xfc); |
| 188 | this->memory_.SetData32(0x1504, 0x204); |
| 189 | this->memory_.SetData32(0x1508, 0x30f8); |
| 190 | this->memory_.SetData32(0x150c, 0x200); |
| 191 | |
| 192 | // pc 0x7700 - 0x7900 |
| 193 | this->memory_.SetData32(0x1600, 0xfc); |
| 194 | this->memory_.SetData32(0x1604, 0x304); |
| 195 | this->memory_.SetData32(0x1608, 0x60f8); |
| 196 | this->memory_.SetData32(0x160c, 0x200); |
| 197 | |
| 198 | // pc 0x6800 - 0x6a00 |
| 199 | this->memory_.SetData32(0x1700, 0xfc); |
| 200 | this->memory_.SetData32(0x1704, 0x404); |
| 201 | this->memory_.SetData32(0x1708, 0x50f8); |
| 202 | this->memory_.SetData32(0x170c, 0x200); |
| 203 | |
| 204 | ASSERT_TRUE(this->eh_frame_->Init(0x1000, 0x100, 0)); |
| 205 | |
| 206 | std::vector<const DwarfFde*> fdes; |
| 207 | this->eh_frame_->GetFdes(&fdes); |
| 208 | ASSERT_EQ(4U, fdes.size()); |
| 209 | |
| 210 | EXPECT_EQ(0x4600U, fdes[0]->pc_start); |
| 211 | EXPECT_EQ(0x4800U, fdes[0]->pc_end); |
| 212 | EXPECT_EQ(0x5500U, fdes[1]->pc_start); |
| 213 | EXPECT_EQ(0x5700U, fdes[1]->pc_end); |
| 214 | EXPECT_EQ(0x6800U, fdes[2]->pc_start); |
| 215 | EXPECT_EQ(0x6a00U, fdes[2]->pc_end); |
| 216 | EXPECT_EQ(0x7700U, fdes[3]->pc_start); |
| 217 | EXPECT_EQ(0x7900U, fdes[3]->pc_end); |
| 218 | } |
| 219 | |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 220 | TYPED_TEST_P(DwarfEhFrameWithHdrTest, GetFdeInfoFromIndex_expect_cache_fail) { |
| 221 | this->eh_frame_->TestSetTableEntrySize(0x10); |
| 222 | this->eh_frame_->TestSetTableEncoding(DW_EH_PE_udata4); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 223 | this->eh_frame_->TestSetEntriesOffset(0x1000); |
| 224 | |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 225 | ASSERT_TRUE(this->eh_frame_->GetFdeInfoFromIndex(0) == nullptr); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 226 | ASSERT_EQ(DWARF_ERROR_MEMORY_INVALID, this->eh_frame_->LastErrorCode()); |
| 227 | EXPECT_EQ(0x1000U, this->eh_frame_->LastErrorAddress()); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 228 | ASSERT_TRUE(this->eh_frame_->GetFdeInfoFromIndex(0) == nullptr); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 229 | ASSERT_EQ(DWARF_ERROR_MEMORY_INVALID, this->eh_frame_->LastErrorCode()); |
| 230 | EXPECT_EQ(0x1000U, this->eh_frame_->LastErrorAddress()); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 231 | } |
| 232 | |
Christopher Ferris | 4cc36d2 | 2018-06-06 14:47:31 -0700 | [diff] [blame] | 233 | // We are assuming that pc rel, is really relative to the load_bias. |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 234 | TYPED_TEST_P(DwarfEhFrameWithHdrTest, GetFdeInfoFromIndex_read_pcrel) { |
| 235 | this->eh_frame_->TestSetTableEncoding(DW_EH_PE_pcrel | DW_EH_PE_udata4); |
| 236 | this->eh_frame_->TestSetEntriesOffset(0x1000); |
| 237 | this->eh_frame_->TestSetEntriesDataOffset(0x3000); |
| 238 | this->eh_frame_->TestSetTableEntrySize(0x10); |
| 239 | |
| 240 | this->memory_.SetData32(0x1040, 0x340); |
| 241 | this->memory_.SetData32(0x1044, 0x500); |
| 242 | |
| 243 | auto info = this->eh_frame_->GetFdeInfoFromIndex(2); |
| 244 | ASSERT_TRUE(info != nullptr); |
Christopher Ferris | 4cc36d2 | 2018-06-06 14:47:31 -0700 | [diff] [blame] | 245 | EXPECT_EQ(0x340U, info->pc); |
| 246 | EXPECT_EQ(0x500U, info->offset); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 247 | } |
| 248 | |
| 249 | TYPED_TEST_P(DwarfEhFrameWithHdrTest, GetFdeInfoFromIndex_read_datarel) { |
| 250 | this->eh_frame_->TestSetTableEncoding(DW_EH_PE_datarel | DW_EH_PE_udata4); |
| 251 | this->eh_frame_->TestSetEntriesOffset(0x1000); |
| 252 | this->eh_frame_->TestSetEntriesDataOffset(0x3000); |
| 253 | this->eh_frame_->TestSetTableEntrySize(0x10); |
| 254 | |
| 255 | this->memory_.SetData32(0x1040, 0x340); |
| 256 | this->memory_.SetData32(0x1044, 0x500); |
| 257 | |
| 258 | auto info = this->eh_frame_->GetFdeInfoFromIndex(2); |
| 259 | ASSERT_TRUE(info != nullptr); |
Christopher Ferris | e37e2d0 | 2018-02-09 15:57:39 -0800 | [diff] [blame] | 260 | EXPECT_EQ(0x3340U, info->pc); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 261 | EXPECT_EQ(0x3500U, info->offset); |
| 262 | } |
| 263 | |
| 264 | TYPED_TEST_P(DwarfEhFrameWithHdrTest, GetFdeInfoFromIndex_cached) { |
| 265 | this->eh_frame_->TestSetTableEncoding(DW_EH_PE_udata4); |
| 266 | this->eh_frame_->TestSetEntriesOffset(0x1000); |
| 267 | this->eh_frame_->TestSetTableEntrySize(0x10); |
| 268 | |
| 269 | this->memory_.SetData32(0x1040, 0x340); |
| 270 | this->memory_.SetData32(0x1044, 0x500); |
| 271 | |
| 272 | auto info = this->eh_frame_->GetFdeInfoFromIndex(2); |
| 273 | ASSERT_TRUE(info != nullptr); |
Christopher Ferris | e37e2d0 | 2018-02-09 15:57:39 -0800 | [diff] [blame] | 274 | EXPECT_EQ(0x340U, info->pc); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 275 | EXPECT_EQ(0x500U, info->offset); |
| 276 | |
| 277 | // Clear the memory so that this will fail if it doesn't read cached data. |
| 278 | this->memory_.Clear(); |
| 279 | |
| 280 | info = this->eh_frame_->GetFdeInfoFromIndex(2); |
| 281 | ASSERT_TRUE(info != nullptr); |
Christopher Ferris | e37e2d0 | 2018-02-09 15:57:39 -0800 | [diff] [blame] | 282 | EXPECT_EQ(0x340U, info->pc); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 283 | EXPECT_EQ(0x500U, info->offset); |
| 284 | } |
| 285 | |
Christopher Ferris | 22d8e8e | 2019-03-29 12:34:58 -0700 | [diff] [blame] | 286 | TYPED_TEST_P(DwarfEhFrameWithHdrTest, GetFdeOffsetFromPc_verify) { |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 287 | this->eh_frame_->TestSetTableEntrySize(0x10); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 288 | |
| 289 | typename DwarfEhFrameWithHdr<TypeParam>::FdeInfo info; |
| 290 | for (size_t i = 0; i < 10; i++) { |
| 291 | info.pc = 0x1000 * (i + 1); |
| 292 | info.offset = 0x5000 + i * 0x20; |
| 293 | this->eh_frame_->TestSetFdeInfo(i, info); |
| 294 | } |
| 295 | |
| 296 | uint64_t fde_offset; |
Christopher Ferris | 22d8e8e | 2019-03-29 12:34:58 -0700 | [diff] [blame] | 297 | this->eh_frame_->TestSetFdeCount(10); |
| 298 | EXPECT_FALSE(this->eh_frame_->GetFdeOffsetFromPc(0x100, &fde_offset)); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 299 | // Not an error, just not found. |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 300 | ASSERT_EQ(DWARF_ERROR_NONE, this->eh_frame_->LastErrorCode()); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 301 | // Even number of elements. |
| 302 | for (size_t i = 0; i < 10; i++) { |
Christopher Ferris | 22d8e8e | 2019-03-29 12:34:58 -0700 | [diff] [blame] | 303 | SCOPED_TRACE(testing::Message() << "Failed at index " << i); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 304 | TypeParam pc = 0x1000 * (i + 1); |
Christopher Ferris | 22d8e8e | 2019-03-29 12:34:58 -0700 | [diff] [blame] | 305 | EXPECT_TRUE(this->eh_frame_->GetFdeOffsetFromPc(pc, &fde_offset)); |
| 306 | EXPECT_EQ(0x5000 + i * 0x20, fde_offset); |
| 307 | EXPECT_TRUE(this->eh_frame_->GetFdeOffsetFromPc(pc + 1, &fde_offset)); |
| 308 | EXPECT_EQ(0x5000 + i * 0x20, fde_offset); |
| 309 | EXPECT_TRUE(this->eh_frame_->GetFdeOffsetFromPc(pc + 0xfff, &fde_offset)); |
| 310 | EXPECT_EQ(0x5000 + i * 0x20, fde_offset); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 311 | } |
Christopher Ferris | 22d8e8e | 2019-03-29 12:34:58 -0700 | [diff] [blame] | 312 | |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 313 | // Odd number of elements. |
Christopher Ferris | 22d8e8e | 2019-03-29 12:34:58 -0700 | [diff] [blame] | 314 | this->eh_frame_->TestSetFdeCount(9); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 315 | for (size_t i = 0; i < 9; i++) { |
Christopher Ferris | 22d8e8e | 2019-03-29 12:34:58 -0700 | [diff] [blame] | 316 | SCOPED_TRACE(testing::Message() << "Failed at index " << i); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 317 | TypeParam pc = 0x1000 * (i + 1); |
Christopher Ferris | 22d8e8e | 2019-03-29 12:34:58 -0700 | [diff] [blame] | 318 | EXPECT_TRUE(this->eh_frame_->GetFdeOffsetFromPc(pc, &fde_offset)); |
| 319 | EXPECT_EQ(0x5000 + i * 0x20, fde_offset); |
| 320 | EXPECT_TRUE(this->eh_frame_->GetFdeOffsetFromPc(pc + 1, &fde_offset)); |
| 321 | EXPECT_EQ(0x5000 + i * 0x20, fde_offset); |
| 322 | EXPECT_TRUE(this->eh_frame_->GetFdeOffsetFromPc(pc + 0xfff, &fde_offset)); |
| 323 | EXPECT_EQ(0x5000 + i * 0x20, fde_offset); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 324 | } |
| 325 | } |
| 326 | |
Christopher Ferris | 22d8e8e | 2019-03-29 12:34:58 -0700 | [diff] [blame] | 327 | TYPED_TEST_P(DwarfEhFrameWithHdrTest, GetFdeOffsetFromPc_index_fail) { |
Christopher Ferris | d96cbae | 2017-11-08 11:01:18 -0800 | [diff] [blame] | 328 | this->eh_frame_->TestSetTableEntrySize(0x10); |
| 329 | this->eh_frame_->TestSetFdeCount(10); |
| 330 | |
| 331 | uint64_t fde_offset; |
Christopher Ferris | 22d8e8e | 2019-03-29 12:34:58 -0700 | [diff] [blame] | 332 | EXPECT_FALSE(this->eh_frame_->GetFdeOffsetFromPc(0x1000, &fde_offset)); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 333 | } |
| 334 | |
| 335 | TYPED_TEST_P(DwarfEhFrameWithHdrTest, GetFdeOffsetFromPc_fail_fde_count) { |
| 336 | this->eh_frame_->TestSetFdeCount(0); |
| 337 | |
| 338 | uint64_t fde_offset; |
| 339 | ASSERT_FALSE(this->eh_frame_->GetFdeOffsetFromPc(0x100, &fde_offset)); |
Christopher Ferris | 2fcf4cf | 2018-01-23 17:52:23 -0800 | [diff] [blame] | 340 | ASSERT_EQ(DWARF_ERROR_NONE, this->eh_frame_->LastErrorCode()); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 341 | } |
| 342 | |
Christopher Ferris | 22d8e8e | 2019-03-29 12:34:58 -0700 | [diff] [blame] | 343 | TYPED_TEST_P(DwarfEhFrameWithHdrTest, GetFdeOffsetFromPc_search) { |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 344 | this->eh_frame_->TestSetTableEntrySize(16); |
| 345 | this->eh_frame_->TestSetFdeCount(10); |
| 346 | |
| 347 | typename DwarfEhFrameWithHdr<TypeParam>::FdeInfo info; |
| 348 | info.pc = 0x550; |
| 349 | info.offset = 0x10500; |
| 350 | this->eh_frame_->TestSetFdeInfo(5, info); |
| 351 | info.pc = 0x750; |
| 352 | info.offset = 0x10700; |
| 353 | this->eh_frame_->TestSetFdeInfo(7, info); |
| 354 | info.pc = 0x850; |
| 355 | info.offset = 0x10800; |
| 356 | this->eh_frame_->TestSetFdeInfo(8, info); |
| 357 | |
| 358 | uint64_t fde_offset; |
| 359 | ASSERT_TRUE(this->eh_frame_->GetFdeOffsetFromPc(0x800, &fde_offset)); |
| 360 | EXPECT_EQ(0x10700U, fde_offset); |
| 361 | } |
| 362 | |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 363 | TYPED_TEST_P(DwarfEhFrameWithHdrTest, GetCieFde32) { |
| 364 | // CIE 32 information. |
| 365 | this->memory_.SetData32(0xf000, 0x100); |
| 366 | this->memory_.SetData32(0xf004, 0); |
Christopher Ferris | 92acaac | 2018-06-21 10:44:02 -0700 | [diff] [blame] | 367 | this->memory_.SetMemory(0xf008, std::vector<uint8_t>{1, '\0', 4, 8, 0x20}); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 368 | |
| 369 | // FDE 32 information. |
| 370 | this->memory_.SetData32(0x14000, 0x20); |
| 371 | this->memory_.SetData32(0x14004, 0x5004); |
| 372 | this->memory_.SetData32(0x14008, 0x9000); |
| 373 | this->memory_.SetData32(0x1400c, 0x100); |
| 374 | |
| 375 | const DwarfFde* fde = this->eh_frame_->GetFdeFromOffset(0x14000); |
| 376 | ASSERT_TRUE(fde != nullptr); |
| 377 | EXPECT_EQ(0x14010U, fde->cfa_instructions_offset); |
| 378 | EXPECT_EQ(0x14024U, fde->cfa_instructions_end); |
Christopher Ferris | c3d79f7 | 2017-11-28 19:14:54 -0800 | [diff] [blame] | 379 | EXPECT_EQ(0x1d008U, fde->pc_start); |
| 380 | EXPECT_EQ(0x1d108U, fde->pc_end); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 381 | EXPECT_EQ(0xf000U, fde->cie_offset); |
| 382 | EXPECT_EQ(0U, fde->lsda_address); |
| 383 | |
| 384 | ASSERT_TRUE(fde->cie != nullptr); |
| 385 | EXPECT_EQ(1U, fde->cie->version); |
| 386 | EXPECT_EQ(DW_EH_PE_sdata4, fde->cie->fde_address_encoding); |
| 387 | EXPECT_EQ(DW_EH_PE_omit, fde->cie->lsda_encoding); |
| 388 | EXPECT_EQ(0U, fde->cie->segment_size); |
| 389 | EXPECT_EQ(1U, fde->cie->augmentation_string.size()); |
| 390 | EXPECT_EQ('\0', fde->cie->augmentation_string[0]); |
| 391 | EXPECT_EQ(0U, fde->cie->personality_handler); |
| 392 | EXPECT_EQ(0xf00dU, fde->cie->cfa_instructions_offset); |
| 393 | EXPECT_EQ(0xf104U, fde->cie->cfa_instructions_end); |
| 394 | EXPECT_EQ(4U, fde->cie->code_alignment_factor); |
| 395 | EXPECT_EQ(8, fde->cie->data_alignment_factor); |
| 396 | EXPECT_EQ(0x20U, fde->cie->return_address_register); |
| 397 | } |
| 398 | |
| 399 | TYPED_TEST_P(DwarfEhFrameWithHdrTest, GetCieFde64) { |
| 400 | // CIE 64 information. |
| 401 | this->memory_.SetData32(0x6000, 0xffffffff); |
| 402 | this->memory_.SetData64(0x6004, 0x100); |
| 403 | this->memory_.SetData64(0x600c, 0); |
Christopher Ferris | 92acaac | 2018-06-21 10:44:02 -0700 | [diff] [blame] | 404 | this->memory_.SetMemory(0x6014, std::vector<uint8_t>{1, '\0', 4, 8, 0x20}); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 405 | |
| 406 | // FDE 64 information. |
| 407 | this->memory_.SetData32(0x8000, 0xffffffff); |
| 408 | this->memory_.SetData64(0x8004, 0x200); |
| 409 | this->memory_.SetData64(0x800c, 0x200c); |
| 410 | this->memory_.SetData64(0x8014, 0x5000); |
| 411 | this->memory_.SetData64(0x801c, 0x300); |
| 412 | |
| 413 | const DwarfFde* fde = this->eh_frame_->GetFdeFromOffset(0x8000); |
| 414 | ASSERT_TRUE(fde != nullptr); |
| 415 | EXPECT_EQ(0x8024U, fde->cfa_instructions_offset); |
| 416 | EXPECT_EQ(0x820cU, fde->cfa_instructions_end); |
Christopher Ferris | c3d79f7 | 2017-11-28 19:14:54 -0800 | [diff] [blame] | 417 | EXPECT_EQ(0xd018U, fde->pc_start); |
| 418 | EXPECT_EQ(0xd318U, fde->pc_end); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 419 | EXPECT_EQ(0x6000U, fde->cie_offset); |
| 420 | EXPECT_EQ(0U, fde->lsda_address); |
| 421 | |
| 422 | ASSERT_TRUE(fde->cie != nullptr); |
| 423 | EXPECT_EQ(1U, fde->cie->version); |
| 424 | EXPECT_EQ(DW_EH_PE_sdata8, fde->cie->fde_address_encoding); |
| 425 | EXPECT_EQ(DW_EH_PE_omit, fde->cie->lsda_encoding); |
| 426 | EXPECT_EQ(0U, fde->cie->segment_size); |
| 427 | EXPECT_EQ(1U, fde->cie->augmentation_string.size()); |
| 428 | EXPECT_EQ('\0', fde->cie->augmentation_string[0]); |
| 429 | EXPECT_EQ(0U, fde->cie->personality_handler); |
| 430 | EXPECT_EQ(0x6019U, fde->cie->cfa_instructions_offset); |
| 431 | EXPECT_EQ(0x610cU, fde->cie->cfa_instructions_end); |
| 432 | EXPECT_EQ(4U, fde->cie->code_alignment_factor); |
| 433 | EXPECT_EQ(8, fde->cie->data_alignment_factor); |
| 434 | EXPECT_EQ(0x20U, fde->cie->return_address_register); |
| 435 | } |
| 436 | |
| 437 | TYPED_TEST_P(DwarfEhFrameWithHdrTest, GetFdeFromPc_fde_not_found) { |
| 438 | this->eh_frame_->TestSetTableEntrySize(16); |
| 439 | this->eh_frame_->TestSetFdeCount(1); |
| 440 | |
| 441 | typename DwarfEhFrameWithHdr<TypeParam>::FdeInfo info; |
| 442 | info.pc = 0x550; |
| 443 | info.offset = 0x10500; |
| 444 | this->eh_frame_->TestSetFdeInfo(0, info); |
| 445 | |
| 446 | ASSERT_EQ(nullptr, this->eh_frame_->GetFdeFromPc(0x800)); |
| 447 | } |
| 448 | |
Christopher Ferris | 7e21eba | 2019-06-20 16:16:42 -0700 | [diff] [blame] | 449 | REGISTER_TYPED_TEST_SUITE_P(DwarfEhFrameWithHdrTest, Init, Init_non_zero_load_bias, GetFdes, |
| 450 | GetFdeInfoFromIndex_expect_cache_fail, GetFdeInfoFromIndex_read_pcrel, |
| 451 | GetFdeInfoFromIndex_read_datarel, GetFdeInfoFromIndex_cached, |
| 452 | GetFdeOffsetFromPc_verify, GetFdeOffsetFromPc_index_fail, |
| 453 | GetFdeOffsetFromPc_fail_fde_count, GetFdeOffsetFromPc_search, |
| 454 | GetCieFde32, GetCieFde64, GetFdeFromPc_fde_not_found); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 455 | |
| 456 | typedef ::testing::Types<uint32_t, uint64_t> DwarfEhFrameWithHdrTestTypes; |
Christopher Ferris | 7e21eba | 2019-06-20 16:16:42 -0700 | [diff] [blame] | 457 | INSTANTIATE_TYPED_TEST_SUITE_P(, DwarfEhFrameWithHdrTest, DwarfEhFrameWithHdrTestTypes); |
Christopher Ferris | c9dee84 | 2017-11-03 14:50:27 -0700 | [diff] [blame] | 458 | |
| 459 | } // namespace unwindstack |