1 /* 2 * Copyright (C) 2011 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 "arch/instruction_set_features.h" 18 #include "art_method-inl.h" 19 #include "base/unix_file/fd_file.h" 20 #include "class_linker.h" 21 #include "common_compiler_test.h" 22 #include "compiled_method.h" 23 #include "compiler.h" 24 #include "debug/method_debug_info.h" 25 #include "dex/quick/dex_file_to_method_inliner_map.h" 26 #include "dex/quick_compiler_callbacks.h" 27 #include "dex/verification_results.h" 28 #include "driver/compiler_driver.h" 29 #include "driver/compiler_options.h" 30 #include "elf_writer.h" 31 #include "elf_writer_quick.h" 32 #include "entrypoints/quick/quick_entrypoints.h" 33 #include "linker/multi_oat_relative_patcher.h" 34 #include "linker/vector_output_stream.h" 35 #include "mirror/class-inl.h" 36 #include "mirror/object-inl.h" 37 #include "mirror/object_array-inl.h" 38 #include "oat_file-inl.h" 39 #include "oat_writer.h" 40 #include "scoped_thread_state_change.h" 41 #include "utils/test_dex_file_builder.h" 42 43 namespace art { 44 45 NO_RETURN static void Usage(const char* fmt, ...) { 46 va_list ap; 47 va_start(ap, fmt); 48 std::string error; 49 StringAppendV(&error, fmt, ap); 50 LOG(FATAL) << error; 51 va_end(ap); 52 UNREACHABLE(); 53 } 54 55 class OatTest : public CommonCompilerTest { 56 protected: 57 static const bool kCompile = false; // DISABLED_ due to the time to compile libcore 58 59 void CheckMethod(ArtMethod* method, 60 const OatFile::OatMethod& oat_method, 61 const DexFile& dex_file) 62 SHARED_REQUIRES(Locks::mutator_lock_) { 63 const CompiledMethod* compiled_method = 64 compiler_driver_->GetCompiledMethod(MethodReference(&dex_file, 65 method->GetDexMethodIndex())); 66 67 if (compiled_method == nullptr) { 68 EXPECT_TRUE(oat_method.GetQuickCode() == nullptr) << PrettyMethod(method) << " " 69 << oat_method.GetQuickCode(); 70 EXPECT_EQ(oat_method.GetFrameSizeInBytes(), 0U); 71 EXPECT_EQ(oat_method.GetCoreSpillMask(), 0U); 72 EXPECT_EQ(oat_method.GetFpSpillMask(), 0U); 73 } else { 74 const void* quick_oat_code = oat_method.GetQuickCode(); 75 EXPECT_TRUE(quick_oat_code != nullptr) << PrettyMethod(method); 76 EXPECT_EQ(oat_method.GetFrameSizeInBytes(), compiled_method->GetFrameSizeInBytes()); 77 EXPECT_EQ(oat_method.GetCoreSpillMask(), compiled_method->GetCoreSpillMask()); 78 EXPECT_EQ(oat_method.GetFpSpillMask(), compiled_method->GetFpSpillMask()); 79 uintptr_t oat_code_aligned = RoundDown(reinterpret_cast<uintptr_t>(quick_oat_code), 2); 80 quick_oat_code = reinterpret_cast<const void*>(oat_code_aligned); 81 ArrayRef<const uint8_t> quick_code = compiled_method->GetQuickCode(); 82 EXPECT_FALSE(quick_code.empty()); 83 size_t code_size = quick_code.size() * sizeof(quick_code[0]); 84 EXPECT_EQ(0, memcmp(quick_oat_code, &quick_code[0], code_size)) 85 << PrettyMethod(method) << " " << code_size; 86 CHECK_EQ(0, memcmp(quick_oat_code, &quick_code[0], code_size)); 87 } 88 } 89 90 void SetupCompiler(Compiler::Kind compiler_kind, 91 InstructionSet insn_set, 92 const std::vector<std::string>& compiler_options, 93 /*out*/std::string* error_msg) { 94 ASSERT_TRUE(error_msg != nullptr); 95 insn_features_.reset(InstructionSetFeatures::FromVariant(insn_set, "default", error_msg)); 96 ASSERT_TRUE(insn_features_ != nullptr) << error_msg; 97 compiler_options_.reset(new CompilerOptions); 98 for (const std::string& option : compiler_options) { 99 compiler_options_->ParseCompilerOption(option, Usage); 100 } 101 verification_results_.reset(new VerificationResults(compiler_options_.get())); 102 method_inliner_map_.reset(new DexFileToMethodInlinerMap); 103 callbacks_.reset(new QuickCompilerCallbacks(verification_results_.get(), 104 method_inliner_map_.get(), 105 CompilerCallbacks::CallbackMode::kCompileApp)); 106 Runtime::Current()->SetCompilerCallbacks(callbacks_.get()); 107 timer_.reset(new CumulativeLogger("Compilation times")); 108 compiler_driver_.reset(new CompilerDriver(compiler_options_.get(), 109 verification_results_.get(), 110 method_inliner_map_.get(), 111 compiler_kind, 112 insn_set, 113 insn_features_.get(), 114 /* boot_image */ false, 115 /* app_image */ false, 116 /* image_classes */ nullptr, 117 /* compiled_classes */ nullptr, 118 /* compiled_methods */ nullptr, 119 /* thread_count */ 2, 120 /* dump_stats */ true, 121 /* dump_passes */ true, 122 timer_.get(), 123 /* swap_fd */ -1, 124 /* profile_compilation_info */ nullptr)); 125 } 126 127 bool WriteElf(File* file, 128 const std::vector<const DexFile*>& dex_files, 129 SafeMap<std::string, std::string>& key_value_store, 130 bool verify) { 131 TimingLogger timings("WriteElf", false, false); 132 OatWriter oat_writer(/*compiling_boot_image*/false, &timings); 133 for (const DexFile* dex_file : dex_files) { 134 ArrayRef<const uint8_t> raw_dex_file( 135 reinterpret_cast<const uint8_t*>(&dex_file->GetHeader()), 136 dex_file->GetHeader().file_size_); 137 if (!oat_writer.AddRawDexFileSource(raw_dex_file, 138 dex_file->GetLocation().c_str(), 139 dex_file->GetLocationChecksum())) { 140 return false; 141 } 142 } 143 return DoWriteElf(file, oat_writer, key_value_store, verify); 144 } 145 146 bool WriteElf(File* file, 147 const std::vector<const char*>& dex_filenames, 148 SafeMap<std::string, std::string>& key_value_store, 149 bool verify) { 150 TimingLogger timings("WriteElf", false, false); 151 OatWriter oat_writer(/*compiling_boot_image*/false, &timings); 152 for (const char* dex_filename : dex_filenames) { 153 if (!oat_writer.AddDexFileSource(dex_filename, dex_filename)) { 154 return false; 155 } 156 } 157 return DoWriteElf(file, oat_writer, key_value_store, verify); 158 } 159 160 bool WriteElf(File* file, 161 ScopedFd&& zip_fd, 162 const char* location, 163 SafeMap<std::string, std::string>& key_value_store, 164 bool verify) { 165 TimingLogger timings("WriteElf", false, false); 166 OatWriter oat_writer(/*compiling_boot_image*/false, &timings); 167 if (!oat_writer.AddZippedDexFilesSource(std::move(zip_fd), location)) { 168 return false; 169 } 170 return DoWriteElf(file, oat_writer, key_value_store, verify); 171 } 172 173 bool DoWriteElf(File* file, 174 OatWriter& oat_writer, 175 SafeMap<std::string, std::string>& key_value_store, 176 bool verify) { 177 std::unique_ptr<ElfWriter> elf_writer = CreateElfWriterQuick( 178 compiler_driver_->GetInstructionSet(), 179 compiler_driver_->GetInstructionSetFeatures(), 180 &compiler_driver_->GetCompilerOptions(), 181 file); 182 elf_writer->Start(); 183 OutputStream* rodata = elf_writer->StartRoData(); 184 std::unique_ptr<MemMap> opened_dex_files_map; 185 std::vector<std::unique_ptr<const DexFile>> opened_dex_files; 186 if (!oat_writer.WriteAndOpenDexFiles(rodata, 187 file, 188 compiler_driver_->GetInstructionSet(), 189 compiler_driver_->GetInstructionSetFeatures(), 190 &key_value_store, 191 verify, 192 &opened_dex_files_map, 193 &opened_dex_files)) { 194 return false; 195 } 196 Runtime* runtime = Runtime::Current(); 197 ClassLinker* const class_linker = runtime->GetClassLinker(); 198 std::vector<const DexFile*> dex_files; 199 for (const std::unique_ptr<const DexFile>& dex_file : opened_dex_files) { 200 dex_files.push_back(dex_file.get()); 201 ScopedObjectAccess soa(Thread::Current()); 202 class_linker->RegisterDexFile(*dex_file, nullptr); 203 } 204 linker::MultiOatRelativePatcher patcher(compiler_driver_->GetInstructionSet(), 205 instruction_set_features_.get()); 206 oat_writer.PrepareLayout(compiler_driver_.get(), nullptr, dex_files, &patcher); 207 size_t rodata_size = oat_writer.GetOatHeader().GetExecutableOffset(); 208 size_t text_size = oat_writer.GetSize() - rodata_size; 209 elf_writer->SetLoadedSectionSizes(rodata_size, text_size, oat_writer.GetBssSize()); 210 211 if (!oat_writer.WriteRodata(rodata)) { 212 return false; 213 } 214 elf_writer->EndRoData(rodata); 215 216 OutputStream* text = elf_writer->StartText(); 217 if (!oat_writer.WriteCode(text)) { 218 return false; 219 } 220 elf_writer->EndText(text); 221 222 if (!oat_writer.WriteHeader(elf_writer->GetStream(), 42U, 4096U, 0)) { 223 return false; 224 } 225 226 elf_writer->WriteDynamicSection(); 227 elf_writer->WriteDebugInfo(oat_writer.GetMethodDebugInfo()); 228 elf_writer->WritePatchLocations(oat_writer.GetAbsolutePatchLocations()); 229 230 return elf_writer->End(); 231 } 232 233 void TestDexFileInput(bool verify, bool low_4gb); 234 void TestZipFileInput(bool verify); 235 236 std::unique_ptr<const InstructionSetFeatures> insn_features_; 237 std::unique_ptr<QuickCompilerCallbacks> callbacks_; 238 }; 239 240 class ZipBuilder { 241 public: 242 explicit ZipBuilder(File* zip_file) : zip_file_(zip_file) { } 243 244 bool AddFile(const char* location, const void* data, size_t size) { 245 off_t offset = lseek(zip_file_->Fd(), 0, SEEK_CUR); 246 if (offset == static_cast<off_t>(-1)) { 247 return false; 248 } 249 250 ZipFileHeader file_header; 251 file_header.crc32 = crc32(0u, reinterpret_cast<const Bytef*>(data), size); 252 file_header.compressed_size = size; 253 file_header.uncompressed_size = size; 254 file_header.filename_length = strlen(location); 255 256 if (!zip_file_->WriteFully(&file_header, sizeof(file_header)) || 257 !zip_file_->WriteFully(location, file_header.filename_length) || 258 !zip_file_->WriteFully(data, size)) { 259 return false; 260 } 261 262 CentralDirectoryFileHeader cdfh; 263 cdfh.crc32 = file_header.crc32; 264 cdfh.compressed_size = size; 265 cdfh.uncompressed_size = size; 266 cdfh.filename_length = file_header.filename_length; 267 cdfh.relative_offset_of_local_file_header = offset; 268 file_data_.push_back(FileData { cdfh, location }); 269 return true; 270 } 271 272 bool Finish() { 273 off_t offset = lseek(zip_file_->Fd(), 0, SEEK_CUR); 274 if (offset == static_cast<off_t>(-1)) { 275 return false; 276 } 277 278 size_t central_directory_size = 0u; 279 for (const FileData& file_data : file_data_) { 280 if (!zip_file_->WriteFully(&file_data.cdfh, sizeof(file_data.cdfh)) || 281 !zip_file_->WriteFully(file_data.location, file_data.cdfh.filename_length)) { 282 return false; 283 } 284 central_directory_size += sizeof(file_data.cdfh) + file_data.cdfh.filename_length; 285 } 286 EndOfCentralDirectoryRecord eocd_record; 287 eocd_record.number_of_central_directory_records_on_this_disk = file_data_.size(); 288 eocd_record.total_number_of_central_directory_records = file_data_.size(); 289 eocd_record.size_of_central_directory = central_directory_size; 290 eocd_record.offset_of_start_of_central_directory = offset; 291 return 292 zip_file_->WriteFully(&eocd_record, sizeof(eocd_record)) && 293 zip_file_->Flush() == 0; 294 } 295 296 private: 297 struct PACKED(1) ZipFileHeader { 298 uint32_t signature = 0x04034b50; 299 uint16_t version_needed_to_extract = 10; 300 uint16_t general_purpose_bit_flag = 0; 301 uint16_t compression_method = 0; // 0 = store only. 302 uint16_t file_last_modification_time = 0u; 303 uint16_t file_last_modification_date = 0u; 304 uint32_t crc32; 305 uint32_t compressed_size; 306 uint32_t uncompressed_size; 307 uint16_t filename_length; 308 uint16_t extra_field_length = 0u; // No extra fields. 309 }; 310 311 struct PACKED(1) CentralDirectoryFileHeader { 312 uint32_t signature = 0x02014b50; 313 uint16_t version_made_by = 10; 314 uint16_t version_needed_to_extract = 10; 315 uint16_t general_purpose_bit_flag = 0; 316 uint16_t compression_method = 0; // 0 = store only. 317 uint16_t file_last_modification_time = 0u; 318 uint16_t file_last_modification_date = 0u; 319 uint32_t crc32; 320 uint32_t compressed_size; 321 uint32_t uncompressed_size; 322 uint16_t filename_length; 323 uint16_t extra_field_length = 0u; // No extra fields. 324 uint16_t file_comment_length = 0u; // No file comment. 325 uint16_t disk_number_where_file_starts = 0u; 326 uint16_t internal_file_attributes = 0u; 327 uint32_t external_file_attributes = 0u; 328 uint32_t relative_offset_of_local_file_header; 329 }; 330 331 struct PACKED(1) EndOfCentralDirectoryRecord { 332 uint32_t signature = 0x06054b50; 333 uint16_t number_of_this_disk = 0u; 334 uint16_t disk_where_central_directory_starts = 0u; 335 uint16_t number_of_central_directory_records_on_this_disk; 336 uint16_t total_number_of_central_directory_records; 337 uint32_t size_of_central_directory; 338 uint32_t offset_of_start_of_central_directory; 339 uint16_t comment_length = 0u; // No file comment. 340 }; 341 342 struct FileData { 343 CentralDirectoryFileHeader cdfh; 344 const char* location; 345 }; 346 347 File* zip_file_; 348 std::vector<FileData> file_data_; 349 }; 350 351 TEST_F(OatTest, WriteRead) { 352 TimingLogger timings("OatTest::WriteRead", false, false); 353 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 354 355 // TODO: make selectable. 356 Compiler::Kind compiler_kind = Compiler::kQuick; 357 InstructionSet insn_set = kIsTargetBuild ? kThumb2 : kX86; 358 std::string error_msg; 359 SetupCompiler(compiler_kind, insn_set, std::vector<std::string>(), /*out*/ &error_msg); 360 361 jobject class_loader = nullptr; 362 if (kCompile) { 363 TimingLogger timings2("OatTest::WriteRead", false, false); 364 compiler_driver_->SetDexFilesForOatFile(class_linker->GetBootClassPath()); 365 compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings2); 366 } 367 368 ScratchFile tmp; 369 SafeMap<std::string, std::string> key_value_store; 370 key_value_store.Put(OatHeader::kImageLocationKey, "lue.art"); 371 bool success = WriteElf(tmp.GetFile(), class_linker->GetBootClassPath(), key_value_store, false); 372 ASSERT_TRUE(success); 373 374 if (kCompile) { // OatWriter strips the code, regenerate to compare 375 compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings); 376 } 377 std::unique_ptr<OatFile> oat_file(OatFile::Open(tmp.GetFilename(), 378 tmp.GetFilename(), 379 nullptr, 380 nullptr, 381 false, 382 /*low_4gb*/true, 383 nullptr, 384 &error_msg)); 385 ASSERT_TRUE(oat_file.get() != nullptr) << error_msg; 386 const OatHeader& oat_header = oat_file->GetOatHeader(); 387 ASSERT_TRUE(oat_header.IsValid()); 388 ASSERT_EQ(class_linker->GetBootClassPath().size(), oat_header.GetDexFileCount()); // core 389 ASSERT_EQ(42U, oat_header.GetImageFileLocationOatChecksum()); 390 ASSERT_EQ(4096U, oat_header.GetImageFileLocationOatDataBegin()); 391 ASSERT_EQ("lue.art", std::string(oat_header.GetStoreValueByKey(OatHeader::kImageLocationKey))); 392 393 ASSERT_TRUE(java_lang_dex_file_ != nullptr); 394 const DexFile& dex_file = *java_lang_dex_file_; 395 uint32_t dex_file_checksum = dex_file.GetLocationChecksum(); 396 const OatFile::OatDexFile* oat_dex_file = oat_file->GetOatDexFile(dex_file.GetLocation().c_str(), 397 &dex_file_checksum); 398 ASSERT_TRUE(oat_dex_file != nullptr); 399 CHECK_EQ(dex_file.GetLocationChecksum(), oat_dex_file->GetDexFileLocationChecksum()); 400 ScopedObjectAccess soa(Thread::Current()); 401 auto pointer_size = class_linker->GetImagePointerSize(); 402 for (size_t i = 0; i < dex_file.NumClassDefs(); i++) { 403 const DexFile::ClassDef& class_def = dex_file.GetClassDef(i); 404 const uint8_t* class_data = dex_file.GetClassData(class_def); 405 406 size_t num_virtual_methods = 0; 407 if (class_data != nullptr) { 408 ClassDataItemIterator it(dex_file, class_data); 409 num_virtual_methods = it.NumVirtualMethods(); 410 } 411 412 const char* descriptor = dex_file.GetClassDescriptor(class_def); 413 mirror::Class* klass = class_linker->FindClass(soa.Self(), 414 descriptor, 415 ScopedNullHandle<mirror::ClassLoader>()); 416 417 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(i); 418 CHECK_EQ(mirror::Class::Status::kStatusNotReady, oat_class.GetStatus()) << descriptor; 419 CHECK_EQ(kCompile ? OatClassType::kOatClassAllCompiled : OatClassType::kOatClassNoneCompiled, 420 oat_class.GetType()) << descriptor; 421 422 size_t method_index = 0; 423 for (auto& m : klass->GetDirectMethods(pointer_size)) { 424 CheckMethod(&m, oat_class.GetOatMethod(method_index), dex_file); 425 ++method_index; 426 } 427 size_t visited_virtuals = 0; 428 // TODO We should also check copied methods in this test. 429 for (auto& m : klass->GetDeclaredVirtualMethods(pointer_size)) { 430 if (!klass->IsInterface()) { 431 EXPECT_FALSE(m.IsCopied()); 432 } 433 CheckMethod(&m, oat_class.GetOatMethod(method_index), dex_file); 434 ++method_index; 435 ++visited_virtuals; 436 } 437 EXPECT_EQ(visited_virtuals, num_virtual_methods); 438 } 439 } 440 441 TEST_F(OatTest, OatHeaderSizeCheck) { 442 // If this test is failing and you have to update these constants, 443 // it is time to update OatHeader::kOatVersion 444 EXPECT_EQ(72U, sizeof(OatHeader)); 445 EXPECT_EQ(4U, sizeof(OatMethodOffsets)); 446 EXPECT_EQ(20U, sizeof(OatQuickMethodHeader)); 447 EXPECT_EQ(132 * GetInstructionSetPointerSize(kRuntimeISA), sizeof(QuickEntryPoints)); 448 } 449 450 TEST_F(OatTest, OatHeaderIsValid) { 451 InstructionSet insn_set = kX86; 452 std::string error_msg; 453 std::unique_ptr<const InstructionSetFeatures> insn_features( 454 InstructionSetFeatures::FromVariant(insn_set, "default", &error_msg)); 455 ASSERT_TRUE(insn_features.get() != nullptr) << error_msg; 456 std::unique_ptr<OatHeader> oat_header(OatHeader::Create(insn_set, 457 insn_features.get(), 458 0u, 459 nullptr)); 460 ASSERT_NE(oat_header.get(), nullptr); 461 ASSERT_TRUE(oat_header->IsValid()); 462 463 char* magic = const_cast<char*>(oat_header->GetMagic()); 464 strcpy(magic, ""); // bad magic 465 ASSERT_FALSE(oat_header->IsValid()); 466 strcpy(magic, "oat\n000"); // bad version 467 ASSERT_FALSE(oat_header->IsValid()); 468 } 469 470 TEST_F(OatTest, EmptyTextSection) { 471 TimingLogger timings("OatTest::EmptyTextSection", false, false); 472 473 // TODO: make selectable. 474 Compiler::Kind compiler_kind = Compiler::kQuick; 475 InstructionSet insn_set = kRuntimeISA; 476 if (insn_set == kArm) insn_set = kThumb2; 477 std::string error_msg; 478 std::vector<std::string> compiler_options; 479 compiler_options.push_back("--compiler-filter=verify-at-runtime"); 480 SetupCompiler(compiler_kind, insn_set, compiler_options, /*out*/ &error_msg); 481 482 jobject class_loader; 483 { 484 ScopedObjectAccess soa(Thread::Current()); 485 class_loader = LoadDex("Main"); 486 } 487 ASSERT_TRUE(class_loader != nullptr); 488 std::vector<const DexFile*> dex_files = GetDexFiles(class_loader); 489 ASSERT_TRUE(!dex_files.empty()); 490 491 ClassLinker* const class_linker = Runtime::Current()->GetClassLinker(); 492 for (const DexFile* dex_file : dex_files) { 493 ScopedObjectAccess soa(Thread::Current()); 494 class_linker->RegisterDexFile(*dex_file, soa.Decode<mirror::ClassLoader*>(class_loader)); 495 } 496 compiler_driver_->SetDexFilesForOatFile(dex_files); 497 compiler_driver_->CompileAll(class_loader, dex_files, &timings); 498 499 ScratchFile tmp; 500 SafeMap<std::string, std::string> key_value_store; 501 key_value_store.Put(OatHeader::kImageLocationKey, "test.art"); 502 bool success = WriteElf(tmp.GetFile(), dex_files, key_value_store, false); 503 ASSERT_TRUE(success); 504 505 std::unique_ptr<OatFile> oat_file(OatFile::Open(tmp.GetFilename(), 506 tmp.GetFilename(), 507 nullptr, 508 nullptr, 509 false, 510 /*low_4gb*/false, 511 nullptr, 512 &error_msg)); 513 ASSERT_TRUE(oat_file != nullptr); 514 EXPECT_LT(static_cast<size_t>(oat_file->Size()), static_cast<size_t>(tmp.GetFile()->GetLength())); 515 } 516 517 static void MaybeModifyDexFileToFail(bool verify, std::unique_ptr<const DexFile>& data) { 518 // If in verify mode (= fail the verifier mode), make sure we fail early. We'll fail already 519 // because of the missing map, but that may lead to out of bounds reads. 520 if (verify) { 521 const_cast<DexFile::Header*>(&data->GetHeader())->checksum_++; 522 } 523 } 524 525 void OatTest::TestDexFileInput(bool verify, bool low_4gb) { 526 TimingLogger timings("OatTest::DexFileInput", false, false); 527 528 std::vector<const char*> input_filenames; 529 530 ScratchFile dex_file1; 531 TestDexFileBuilder builder1; 532 builder1.AddField("Lsome.TestClass;", "int", "someField"); 533 builder1.AddMethod("Lsome.TestClass;", "()I", "foo"); 534 std::unique_ptr<const DexFile> dex_file1_data = builder1.Build(dex_file1.GetFilename()); 535 536 MaybeModifyDexFileToFail(verify, dex_file1_data); 537 538 bool success = dex_file1.GetFile()->WriteFully(&dex_file1_data->GetHeader(), 539 dex_file1_data->GetHeader().file_size_); 540 ASSERT_TRUE(success); 541 success = dex_file1.GetFile()->Flush() == 0; 542 ASSERT_TRUE(success); 543 input_filenames.push_back(dex_file1.GetFilename().c_str()); 544 545 ScratchFile dex_file2; 546 TestDexFileBuilder builder2; 547 builder2.AddField("Land.AnotherTestClass;", "boolean", "someOtherField"); 548 builder2.AddMethod("Land.AnotherTestClass;", "()J", "bar"); 549 std::unique_ptr<const DexFile> dex_file2_data = builder2.Build(dex_file2.GetFilename()); 550 551 MaybeModifyDexFileToFail(verify, dex_file2_data); 552 553 success = dex_file2.GetFile()->WriteFully(&dex_file2_data->GetHeader(), 554 dex_file2_data->GetHeader().file_size_); 555 ASSERT_TRUE(success); 556 success = dex_file2.GetFile()->Flush() == 0; 557 ASSERT_TRUE(success); 558 input_filenames.push_back(dex_file2.GetFilename().c_str()); 559 560 ScratchFile oat_file; 561 SafeMap<std::string, std::string> key_value_store; 562 key_value_store.Put(OatHeader::kImageLocationKey, "test.art"); 563 success = WriteElf(oat_file.GetFile(), input_filenames, key_value_store, verify); 564 565 // In verify mode, we expect failure. 566 if (verify) { 567 ASSERT_FALSE(success); 568 return; 569 } 570 571 ASSERT_TRUE(success); 572 573 std::string error_msg; 574 std::unique_ptr<OatFile> opened_oat_file(OatFile::Open(oat_file.GetFilename(), 575 oat_file.GetFilename(), 576 nullptr, 577 nullptr, 578 false, 579 low_4gb, 580 nullptr, 581 &error_msg)); 582 if (low_4gb) { 583 uintptr_t begin = reinterpret_cast<uintptr_t>(opened_oat_file->Begin()); 584 EXPECT_EQ(begin, static_cast<uint32_t>(begin)); 585 } 586 ASSERT_TRUE(opened_oat_file != nullptr); 587 ASSERT_EQ(2u, opened_oat_file->GetOatDexFiles().size()); 588 std::unique_ptr<const DexFile> opened_dex_file1 = 589 opened_oat_file->GetOatDexFiles()[0]->OpenDexFile(&error_msg); 590 std::unique_ptr<const DexFile> opened_dex_file2 = 591 opened_oat_file->GetOatDexFiles()[1]->OpenDexFile(&error_msg); 592 593 ASSERT_EQ(dex_file1_data->GetHeader().file_size_, opened_dex_file1->GetHeader().file_size_); 594 ASSERT_EQ(0, memcmp(&dex_file1_data->GetHeader(), 595 &opened_dex_file1->GetHeader(), 596 dex_file1_data->GetHeader().file_size_)); 597 ASSERT_EQ(dex_file1_data->GetLocation(), opened_dex_file1->GetLocation()); 598 599 ASSERT_EQ(dex_file2_data->GetHeader().file_size_, opened_dex_file2->GetHeader().file_size_); 600 ASSERT_EQ(0, memcmp(&dex_file2_data->GetHeader(), 601 &opened_dex_file2->GetHeader(), 602 dex_file2_data->GetHeader().file_size_)); 603 ASSERT_EQ(dex_file2_data->GetLocation(), opened_dex_file2->GetLocation()); 604 } 605 606 TEST_F(OatTest, DexFileInputCheckOutput) { 607 TestDexFileInput(false, /*low_4gb*/false); 608 } 609 610 TEST_F(OatTest, DexFileInputCheckOutputLow4GB) { 611 TestDexFileInput(false, /*low_4gb*/true); 612 } 613 614 TEST_F(OatTest, DexFileInputCheckVerifier) { 615 TestDexFileInput(true, /*low_4gb*/false); 616 } 617 618 void OatTest::TestZipFileInput(bool verify) { 619 TimingLogger timings("OatTest::DexFileInput", false, false); 620 621 ScratchFile zip_file; 622 ZipBuilder zip_builder(zip_file.GetFile()); 623 624 ScratchFile dex_file1; 625 TestDexFileBuilder builder1; 626 builder1.AddField("Lsome.TestClass;", "long", "someField"); 627 builder1.AddMethod("Lsome.TestClass;", "()D", "foo"); 628 std::unique_ptr<const DexFile> dex_file1_data = builder1.Build(dex_file1.GetFilename()); 629 630 MaybeModifyDexFileToFail(verify, dex_file1_data); 631 632 bool success = dex_file1.GetFile()->WriteFully(&dex_file1_data->GetHeader(), 633 dex_file1_data->GetHeader().file_size_); 634 ASSERT_TRUE(success); 635 success = dex_file1.GetFile()->Flush() == 0; 636 ASSERT_TRUE(success); 637 success = zip_builder.AddFile("classes.dex", 638 &dex_file1_data->GetHeader(), 639 dex_file1_data->GetHeader().file_size_); 640 ASSERT_TRUE(success); 641 642 ScratchFile dex_file2; 643 TestDexFileBuilder builder2; 644 builder2.AddField("Land.AnotherTestClass;", "boolean", "someOtherField"); 645 builder2.AddMethod("Land.AnotherTestClass;", "()J", "bar"); 646 std::unique_ptr<const DexFile> dex_file2_data = builder2.Build(dex_file2.GetFilename()); 647 648 MaybeModifyDexFileToFail(verify, dex_file2_data); 649 650 success = dex_file2.GetFile()->WriteFully(&dex_file2_data->GetHeader(), 651 dex_file2_data->GetHeader().file_size_); 652 ASSERT_TRUE(success); 653 success = dex_file2.GetFile()->Flush() == 0; 654 ASSERT_TRUE(success); 655 success = zip_builder.AddFile("classes2.dex", 656 &dex_file2_data->GetHeader(), 657 dex_file2_data->GetHeader().file_size_); 658 ASSERT_TRUE(success); 659 660 success = zip_builder.Finish(); 661 ASSERT_TRUE(success) << strerror(errno); 662 663 SafeMap<std::string, std::string> key_value_store; 664 key_value_store.Put(OatHeader::kImageLocationKey, "test.art"); 665 { 666 // Test using the AddDexFileSource() interface with the zip file. 667 std::vector<const char*> input_filenames { zip_file.GetFilename().c_str() }; // NOLINT [readability/braces] [4] 668 669 ScratchFile oat_file; 670 success = WriteElf(oat_file.GetFile(), input_filenames, key_value_store, verify); 671 672 if (verify) { 673 ASSERT_FALSE(success); 674 } else { 675 ASSERT_TRUE(success); 676 677 std::string error_msg; 678 std::unique_ptr<OatFile> opened_oat_file(OatFile::Open(oat_file.GetFilename(), 679 oat_file.GetFilename(), 680 nullptr, 681 nullptr, 682 false, 683 /*low_4gb*/false, 684 nullptr, 685 &error_msg)); 686 ASSERT_TRUE(opened_oat_file != nullptr); 687 ASSERT_EQ(2u, opened_oat_file->GetOatDexFiles().size()); 688 std::unique_ptr<const DexFile> opened_dex_file1 = 689 opened_oat_file->GetOatDexFiles()[0]->OpenDexFile(&error_msg); 690 std::unique_ptr<const DexFile> opened_dex_file2 = 691 opened_oat_file->GetOatDexFiles()[1]->OpenDexFile(&error_msg); 692 693 ASSERT_EQ(dex_file1_data->GetHeader().file_size_, opened_dex_file1->GetHeader().file_size_); 694 ASSERT_EQ(0, memcmp(&dex_file1_data->GetHeader(), 695 &opened_dex_file1->GetHeader(), 696 dex_file1_data->GetHeader().file_size_)); 697 ASSERT_EQ(DexFile::GetMultiDexLocation(0, zip_file.GetFilename().c_str()), 698 opened_dex_file1->GetLocation()); 699 700 ASSERT_EQ(dex_file2_data->GetHeader().file_size_, opened_dex_file2->GetHeader().file_size_); 701 ASSERT_EQ(0, memcmp(&dex_file2_data->GetHeader(), 702 &opened_dex_file2->GetHeader(), 703 dex_file2_data->GetHeader().file_size_)); 704 ASSERT_EQ(DexFile::GetMultiDexLocation(1, zip_file.GetFilename().c_str()), 705 opened_dex_file2->GetLocation()); 706 } 707 } 708 709 { 710 // Test using the AddZipDexFileSource() interface with the zip file handle. 711 ScopedFd zip_fd(dup(zip_file.GetFd())); 712 ASSERT_NE(-1, zip_fd.get()); 713 714 ScratchFile oat_file; 715 success = WriteElf(oat_file.GetFile(), 716 std::move(zip_fd), 717 zip_file.GetFilename().c_str(), 718 key_value_store, 719 verify); 720 if (verify) { 721 ASSERT_FALSE(success); 722 } else { 723 ASSERT_TRUE(success); 724 725 std::string error_msg; 726 std::unique_ptr<OatFile> opened_oat_file(OatFile::Open(oat_file.GetFilename(), 727 oat_file.GetFilename(), 728 nullptr, 729 nullptr, 730 false, 731 /*low_4gb*/false, 732 nullptr, 733 &error_msg)); 734 ASSERT_TRUE(opened_oat_file != nullptr); 735 ASSERT_EQ(2u, opened_oat_file->GetOatDexFiles().size()); 736 std::unique_ptr<const DexFile> opened_dex_file1 = 737 opened_oat_file->GetOatDexFiles()[0]->OpenDexFile(&error_msg); 738 std::unique_ptr<const DexFile> opened_dex_file2 = 739 opened_oat_file->GetOatDexFiles()[1]->OpenDexFile(&error_msg); 740 741 ASSERT_EQ(dex_file1_data->GetHeader().file_size_, opened_dex_file1->GetHeader().file_size_); 742 ASSERT_EQ(0, memcmp(&dex_file1_data->GetHeader(), 743 &opened_dex_file1->GetHeader(), 744 dex_file1_data->GetHeader().file_size_)); 745 ASSERT_EQ(DexFile::GetMultiDexLocation(0, zip_file.GetFilename().c_str()), 746 opened_dex_file1->GetLocation()); 747 748 ASSERT_EQ(dex_file2_data->GetHeader().file_size_, opened_dex_file2->GetHeader().file_size_); 749 ASSERT_EQ(0, memcmp(&dex_file2_data->GetHeader(), 750 &opened_dex_file2->GetHeader(), 751 dex_file2_data->GetHeader().file_size_)); 752 ASSERT_EQ(DexFile::GetMultiDexLocation(1, zip_file.GetFilename().c_str()), 753 opened_dex_file2->GetLocation()); 754 } 755 } 756 } 757 758 TEST_F(OatTest, ZipFileInputCheckOutput) { 759 TestZipFileInput(false); 760 } 761 762 TEST_F(OatTest, ZipFileInputCheckVerifier) { 763 TestZipFileInput(true); 764 } 765 766 TEST_F(OatTest, UpdateChecksum) { 767 InstructionSet insn_set = kX86; 768 std::string error_msg; 769 std::unique_ptr<const InstructionSetFeatures> insn_features( 770 InstructionSetFeatures::FromVariant(insn_set, "default", &error_msg)); 771 ASSERT_TRUE(insn_features.get() != nullptr) << error_msg; 772 std::unique_ptr<OatHeader> oat_header(OatHeader::Create(insn_set, 773 insn_features.get(), 774 0u, 775 nullptr)); 776 // The starting adler32 value is 1. 777 EXPECT_EQ(1U, oat_header->GetChecksum()); 778 779 oat_header->UpdateChecksum(OatHeader::kOatMagic, sizeof(OatHeader::kOatMagic)); 780 EXPECT_EQ(64291151U, oat_header->GetChecksum()); 781 782 // Make sure that null data does not reset the checksum. 783 oat_header->UpdateChecksum(nullptr, 0); 784 EXPECT_EQ(64291151U, oat_header->GetChecksum()); 785 786 oat_header->UpdateChecksum(OatHeader::kOatMagic, sizeof(OatHeader::kOatMagic)); 787 EXPECT_EQ(216138397U, oat_header->GetChecksum()); 788 } 789 790 } // namespace art 791
