| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "arch/instruction_set_features.h" |
| #include "art_method-inl.h" |
| #include "base/unix_file/fd_file.h" |
| #include "class_linker.h" |
| #include "common_compiler_test.h" |
| #include "compiled_method.h" |
| #include "compiler.h" |
| #include "dex/pass_manager.h" |
| #include "dex/quick/dex_file_to_method_inliner_map.h" |
| #include "dex/quick_compiler_callbacks.h" |
| #include "dex/verification_results.h" |
| #include "driver/compiler_driver.h" |
| #include "driver/compiler_options.h" |
| #include "dwarf/method_debug_info.h" |
| #include "elf_writer.h" |
| #include "elf_writer_quick.h" |
| #include "entrypoints/quick/quick_entrypoints.h" |
| #include "linker/vector_output_stream.h" |
| #include "mirror/class-inl.h" |
| #include "mirror/object_array-inl.h" |
| #include "mirror/object-inl.h" |
| #include "oat_file-inl.h" |
| #include "oat_writer.h" |
| #include "scoped_thread_state_change.h" |
| |
| namespace art { |
| |
| NO_RETURN static void Usage(const char* fmt, ...) { |
| va_list ap; |
| va_start(ap, fmt); |
| std::string error; |
| StringAppendV(&error, fmt, ap); |
| LOG(FATAL) << error; |
| va_end(ap); |
| UNREACHABLE(); |
| } |
| |
| class OatTest : public CommonCompilerTest { |
| protected: |
| static const bool kCompile = false; // DISABLED_ due to the time to compile libcore |
| |
| void CheckMethod(ArtMethod* method, |
| const OatFile::OatMethod& oat_method, |
| const DexFile& dex_file) |
| SHARED_REQUIRES(Locks::mutator_lock_) { |
| const CompiledMethod* compiled_method = |
| compiler_driver_->GetCompiledMethod(MethodReference(&dex_file, |
| method->GetDexMethodIndex())); |
| |
| if (compiled_method == nullptr) { |
| EXPECT_TRUE(oat_method.GetQuickCode() == nullptr) << PrettyMethod(method) << " " |
| << oat_method.GetQuickCode(); |
| EXPECT_EQ(oat_method.GetFrameSizeInBytes(), 0U); |
| EXPECT_EQ(oat_method.GetCoreSpillMask(), 0U); |
| EXPECT_EQ(oat_method.GetFpSpillMask(), 0U); |
| } else { |
| const void* quick_oat_code = oat_method.GetQuickCode(); |
| EXPECT_TRUE(quick_oat_code != nullptr) << PrettyMethod(method); |
| EXPECT_EQ(oat_method.GetFrameSizeInBytes(), compiled_method->GetFrameSizeInBytes()); |
| EXPECT_EQ(oat_method.GetCoreSpillMask(), compiled_method->GetCoreSpillMask()); |
| EXPECT_EQ(oat_method.GetFpSpillMask(), compiled_method->GetFpSpillMask()); |
| uintptr_t oat_code_aligned = RoundDown(reinterpret_cast<uintptr_t>(quick_oat_code), 2); |
| quick_oat_code = reinterpret_cast<const void*>(oat_code_aligned); |
| ArrayRef<const uint8_t> quick_code = compiled_method->GetQuickCode(); |
| EXPECT_FALSE(quick_code.empty()); |
| size_t code_size = quick_code.size() * sizeof(quick_code[0]); |
| EXPECT_EQ(0, memcmp(quick_oat_code, &quick_code[0], code_size)) |
| << PrettyMethod(method) << " " << code_size; |
| CHECK_EQ(0, memcmp(quick_oat_code, &quick_code[0], code_size)); |
| } |
| } |
| |
| void SetupCompiler(Compiler::Kind compiler_kind, |
| InstructionSet insn_set, |
| const std::vector<std::string>& compiler_options, |
| /*out*/std::string* error_msg) { |
| ASSERT_TRUE(error_msg != nullptr); |
| insn_features_.reset(InstructionSetFeatures::FromVariant(insn_set, "default", error_msg)); |
| ASSERT_TRUE(insn_features_ != nullptr) << error_msg; |
| compiler_options_.reset(new CompilerOptions); |
| for (const std::string& option : compiler_options) { |
| compiler_options_->ParseCompilerOption(option, Usage); |
| } |
| verification_results_.reset(new VerificationResults(compiler_options_.get())); |
| method_inliner_map_.reset(new DexFileToMethodInlinerMap); |
| callbacks_.reset(new QuickCompilerCallbacks(verification_results_.get(), |
| method_inliner_map_.get(), |
| CompilerCallbacks::CallbackMode::kCompileApp)); |
| Runtime::Current()->SetCompilerCallbacks(callbacks_.get()); |
| timer_.reset(new CumulativeLogger("Compilation times")); |
| compiler_driver_.reset(new CompilerDriver(compiler_options_.get(), |
| verification_results_.get(), |
| method_inliner_map_.get(), |
| compiler_kind, |
| insn_set, |
| insn_features_.get(), |
| false, |
| nullptr, |
| nullptr, |
| nullptr, |
| 2, |
| true, |
| true, |
| "", |
| false, |
| timer_.get(), |
| -1, |
| "", |
| nullptr)); |
| } |
| |
| bool WriteElf(File* file, |
| const std::vector<const DexFile*>& dex_files, |
| SafeMap<std::string, std::string>& key_value_store) { |
| TimingLogger timings("WriteElf", false, false); |
| OatWriter oat_writer(dex_files, |
| 42U, |
| 4096U, |
| 0, |
| compiler_driver_.get(), |
| nullptr, |
| /*compiling_boot_image*/false, |
| &timings, |
| &key_value_store); |
| std::unique_ptr<ElfWriter> elf_writer = CreateElfWriterQuick( |
| compiler_driver_->GetInstructionSet(), |
| &compiler_driver_->GetCompilerOptions(), |
| file); |
| |
| elf_writer->Start(); |
| |
| OutputStream* rodata = elf_writer->StartRoData(); |
| if (!oat_writer.WriteRodata(rodata)) { |
| return false; |
| } |
| elf_writer->EndRoData(rodata); |
| |
| OutputStream* text = elf_writer->StartText(); |
| if (!oat_writer.WriteCode(text)) { |
| return false; |
| } |
| elf_writer->EndText(text); |
| |
| elf_writer->SetBssSize(oat_writer.GetBssSize()); |
| elf_writer->WriteDynamicSection(); |
| elf_writer->WriteDebugInfo(oat_writer.GetMethodDebugInfo()); |
| elf_writer->WritePatchLocations(oat_writer.GetAbsolutePatchLocations()); |
| |
| return elf_writer->End(); |
| } |
| |
| std::unique_ptr<const InstructionSetFeatures> insn_features_; |
| std::unique_ptr<QuickCompilerCallbacks> callbacks_; |
| }; |
| |
| TEST_F(OatTest, WriteRead) { |
| TimingLogger timings("OatTest::WriteRead", false, false); |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| |
| // TODO: make selectable. |
| Compiler::Kind compiler_kind = Compiler::kQuick; |
| InstructionSet insn_set = kIsTargetBuild ? kThumb2 : kX86; |
| std::string error_msg; |
| SetupCompiler(compiler_kind, insn_set, std::vector<std::string>(), /*out*/ &error_msg); |
| |
| jobject class_loader = nullptr; |
| if (kCompile) { |
| TimingLogger timings2("OatTest::WriteRead", false, false); |
| compiler_driver_->SetDexFilesForOatFile(class_linker->GetBootClassPath()); |
| compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings2); |
| } |
| |
| ScratchFile tmp; |
| SafeMap<std::string, std::string> key_value_store; |
| key_value_store.Put(OatHeader::kImageLocationKey, "lue.art"); |
| bool success = WriteElf(tmp.GetFile(), class_linker->GetBootClassPath(), key_value_store); |
| ASSERT_TRUE(success); |
| |
| if (kCompile) { // OatWriter strips the code, regenerate to compare |
| compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings); |
| } |
| std::unique_ptr<OatFile> oat_file(OatFile::Open(tmp.GetFilename(), tmp.GetFilename(), nullptr, |
| nullptr, false, nullptr, &error_msg)); |
| ASSERT_TRUE(oat_file.get() != nullptr) << error_msg; |
| const OatHeader& oat_header = oat_file->GetOatHeader(); |
| ASSERT_TRUE(oat_header.IsValid()); |
| ASSERT_EQ(class_linker->GetBootClassPath().size(), oat_header.GetDexFileCount()); // core |
| ASSERT_EQ(42U, oat_header.GetImageFileLocationOatChecksum()); |
| ASSERT_EQ(4096U, oat_header.GetImageFileLocationOatDataBegin()); |
| ASSERT_EQ("lue.art", std::string(oat_header.GetStoreValueByKey(OatHeader::kImageLocationKey))); |
| |
| ASSERT_TRUE(java_lang_dex_file_ != nullptr); |
| const DexFile& dex_file = *java_lang_dex_file_; |
| uint32_t dex_file_checksum = dex_file.GetLocationChecksum(); |
| const OatFile::OatDexFile* oat_dex_file = oat_file->GetOatDexFile(dex_file.GetLocation().c_str(), |
| &dex_file_checksum); |
| ASSERT_TRUE(oat_dex_file != nullptr); |
| CHECK_EQ(dex_file.GetLocationChecksum(), oat_dex_file->GetDexFileLocationChecksum()); |
| ScopedObjectAccess soa(Thread::Current()); |
| auto pointer_size = class_linker->GetImagePointerSize(); |
| for (size_t i = 0; i < dex_file.NumClassDefs(); i++) { |
| const DexFile::ClassDef& class_def = dex_file.GetClassDef(i); |
| const uint8_t* class_data = dex_file.GetClassData(class_def); |
| |
| size_t num_virtual_methods = 0; |
| if (class_data != nullptr) { |
| ClassDataItemIterator it(dex_file, class_data); |
| num_virtual_methods = it.NumVirtualMethods(); |
| } |
| |
| const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| mirror::Class* klass = class_linker->FindClass(soa.Self(), |
| descriptor, |
| ScopedNullHandle<mirror::ClassLoader>()); |
| |
| const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(i); |
| CHECK_EQ(mirror::Class::Status::kStatusNotReady, oat_class.GetStatus()) << descriptor; |
| CHECK_EQ(kCompile ? OatClassType::kOatClassAllCompiled : OatClassType::kOatClassNoneCompiled, |
| oat_class.GetType()) << descriptor; |
| |
| size_t method_index = 0; |
| for (auto& m : klass->GetDirectMethods(pointer_size)) { |
| CheckMethod(&m, oat_class.GetOatMethod(method_index), dex_file); |
| ++method_index; |
| } |
| size_t visited_virtuals = 0; |
| // TODO We should also check copied methods in this test. |
| for (auto& m : klass->GetDeclaredVirtualMethods(pointer_size)) { |
| EXPECT_FALSE(m.IsMiranda()); |
| CheckMethod(&m, oat_class.GetOatMethod(method_index), dex_file); |
| ++method_index; |
| ++visited_virtuals; |
| } |
| EXPECT_EQ(visited_virtuals, num_virtual_methods); |
| } |
| } |
| |
| TEST_F(OatTest, OatHeaderSizeCheck) { |
| // If this test is failing and you have to update these constants, |
| // it is time to update OatHeader::kOatVersion |
| EXPECT_EQ(72U, sizeof(OatHeader)); |
| EXPECT_EQ(4U, sizeof(OatMethodOffsets)); |
| EXPECT_EQ(28U, sizeof(OatQuickMethodHeader)); |
| EXPECT_EQ(132 * GetInstructionSetPointerSize(kRuntimeISA), sizeof(QuickEntryPoints)); |
| } |
| |
| TEST_F(OatTest, OatHeaderIsValid) { |
| InstructionSet insn_set = kX86; |
| std::string error_msg; |
| std::unique_ptr<const InstructionSetFeatures> insn_features( |
| InstructionSetFeatures::FromVariant(insn_set, "default", &error_msg)); |
| ASSERT_TRUE(insn_features.get() != nullptr) << error_msg; |
| std::unique_ptr<OatHeader> oat_header(OatHeader::Create(insn_set, |
| insn_features.get(), |
| 0u, |
| nullptr)); |
| ASSERT_NE(oat_header.get(), nullptr); |
| ASSERT_TRUE(oat_header->IsValid()); |
| |
| char* magic = const_cast<char*>(oat_header->GetMagic()); |
| strcpy(magic, ""); // bad magic |
| ASSERT_FALSE(oat_header->IsValid()); |
| strcpy(magic, "oat\n000"); // bad version |
| ASSERT_FALSE(oat_header->IsValid()); |
| } |
| |
| TEST_F(OatTest, EmptyTextSection) { |
| TimingLogger timings("OatTest::EmptyTextSection", false, false); |
| |
| // TODO: make selectable. |
| Compiler::Kind compiler_kind = Compiler::kQuick; |
| InstructionSet insn_set = kRuntimeISA; |
| if (insn_set == kArm) insn_set = kThumb2; |
| std::string error_msg; |
| std::vector<std::string> compiler_options; |
| compiler_options.push_back("--compiler-filter=verify-at-runtime"); |
| SetupCompiler(compiler_kind, insn_set, compiler_options, /*out*/ &error_msg); |
| |
| jobject class_loader; |
| { |
| ScopedObjectAccess soa(Thread::Current()); |
| class_loader = LoadDex("Main"); |
| } |
| ASSERT_TRUE(class_loader != nullptr); |
| std::vector<const DexFile*> dex_files = GetDexFiles(class_loader); |
| ASSERT_TRUE(!dex_files.empty()); |
| |
| ClassLinker* const class_linker = Runtime::Current()->GetClassLinker(); |
| for (const DexFile* dex_file : dex_files) { |
| ScopedObjectAccess soa(Thread::Current()); |
| class_linker->RegisterDexFile( |
| *dex_file, |
| class_linker->GetOrCreateAllocatorForClassLoader( |
| soa.Decode<mirror::ClassLoader*>(class_loader))); |
| } |
| compiler_driver_->SetDexFilesForOatFile(dex_files); |
| compiler_driver_->CompileAll(class_loader, dex_files, &timings); |
| |
| ScratchFile tmp; |
| SafeMap<std::string, std::string> key_value_store; |
| key_value_store.Put(OatHeader::kImageLocationKey, "test.art"); |
| bool success = WriteElf(tmp.GetFile(), dex_files, key_value_store); |
| ASSERT_TRUE(success); |
| |
| std::unique_ptr<OatFile> oat_file(OatFile::Open(tmp.GetFilename(), |
| tmp.GetFilename(), |
| nullptr, |
| nullptr, |
| false, |
| nullptr, |
| &error_msg)); |
| ASSERT_TRUE(oat_file != nullptr); |
| EXPECT_LT(static_cast<size_t>(oat_file->Size()), static_cast<size_t>(tmp.GetFile()->GetLength())); |
| } |
| |
| } // namespace art |
