| /* |
| * 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 "common_compiler_test.h" |
| #include "compiler/compiler.h" |
| #include "compiler/oat_writer.h" |
| #include "mirror/art_method-inl.h" |
| #include "mirror/class-inl.h" |
| #include "mirror/object-inl.h" |
| #include "mirror/object_array-inl.h" |
| #include "oat_file.h" |
| #include "vector_output_stream.h" |
| |
| namespace art { |
| |
| class OatTest : public CommonCompilerTest { |
| protected: |
| static const bool kCompile = false; // DISABLED_ due to the time to compile libcore |
| |
| void CheckMethod(mirror::ArtMethod* method, |
| const OatFile::OatMethod& oat_method, |
| const DexFile* dex_file) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| const CompiledMethod* compiled_method = |
| compiler_driver_->GetCompiledMethod(MethodReference(dex_file, |
| method->GetDexMethodIndex())); |
| |
| if (compiled_method == NULL) { |
| EXPECT_TRUE(oat_method.GetQuickCode() == NULL) << PrettyMethod(method) << " " |
| << oat_method.GetQuickCode(); |
| EXPECT_TRUE(oat_method.GetPortableCode() == NULL) << PrettyMethod(method) << " " |
| << oat_method.GetPortableCode(); |
| 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(); |
| if (quick_oat_code != nullptr) { |
| 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); |
| const std::vector<uint8_t>* quick_code = compiled_method->GetQuickCode(); |
| EXPECT_TRUE(quick_code != nullptr); |
| 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)); |
| } else { |
| const void* portable_oat_code = oat_method.GetPortableCode(); |
| EXPECT_TRUE(portable_oat_code != nullptr) << PrettyMethod(method); |
| EXPECT_EQ(oat_method.GetFrameSizeInBytes(), 0U); |
| EXPECT_EQ(oat_method.GetCoreSpillMask(), 0U); |
| EXPECT_EQ(oat_method.GetFpSpillMask(), 0U); |
| uintptr_t oat_code_aligned = RoundDown(reinterpret_cast<uintptr_t>(portable_oat_code), 2); |
| portable_oat_code = reinterpret_cast<const void*>(oat_code_aligned); |
| const std::vector<uint8_t>* portable_code = compiled_method->GetPortableCode(); |
| EXPECT_TRUE(portable_code != nullptr); |
| size_t code_size = portable_code->size() * sizeof(portable_code[0]); |
| EXPECT_EQ(0, memcmp(quick_oat_code, &portable_code[0], code_size)) |
| << PrettyMethod(method) << " " << code_size; |
| CHECK_EQ(0, memcmp(quick_oat_code, &portable_code[0], code_size)); |
| } |
| } |
| } |
| }; |
| |
| TEST_F(OatTest, WriteRead) { |
| TimingLogger timings("OatTest::WriteRead", false, false); |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| |
| // TODO: make selectable. |
| Compiler::Kind compiler_kind = kUsePortableCompiler |
| ? Compiler::kPortable |
| : Compiler::kQuick; |
| InstructionSet insn_set = kIsTargetBuild ? kThumb2 : kX86; |
| |
| InstructionSetFeatures insn_features; |
| compiler_options_.reset(new CompilerOptions); |
| verification_results_.reset(new VerificationResults(compiler_options_.get())); |
| method_inliner_map_.reset(new DexFileToMethodInlinerMap); |
| callbacks_.reset(new CompilerCallbacksImpl(verification_results_.get(), |
| method_inliner_map_.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, false, NULL, 2, true, true, |
| timer_.get())); |
| jobject class_loader = NULL; |
| if (kCompile) { |
| TimingLogger timings("OatTest::WriteRead", false, false); |
| compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings); |
| } |
| |
| ScopedObjectAccess soa(Thread::Current()); |
| ScratchFile tmp; |
| OatWriter oat_writer(class_linker->GetBootClassPath(), |
| 42U, |
| 4096U, |
| "lue.art", |
| compiler_driver_.get(), |
| &timings); |
| bool success = compiler_driver_->WriteElf(GetTestAndroidRoot(), |
| !kIsTargetBuild, |
| class_linker->GetBootClassPath(), |
| &oat_writer, |
| tmp.GetFile()); |
| ASSERT_TRUE(success); |
| |
| if (kCompile) { // OatWriter strips the code, regenerate to compare |
| compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings); |
| } |
| std::string error_msg; |
| UniquePtr<OatFile> oat_file(OatFile::Open(tmp.GetFilename(), tmp.GetFilename(), NULL, false, |
| &error_msg)); |
| ASSERT_TRUE(oat_file.get() != nullptr) << error_msg; |
| const OatHeader& oat_header = oat_file->GetOatHeader(); |
| ASSERT_TRUE(oat_header.IsValid()); |
| ASSERT_EQ(1U, oat_header.GetDexFileCount()); // core |
| ASSERT_EQ(42U, oat_header.GetImageFileLocationOatChecksum()); |
| ASSERT_EQ(4096U, oat_header.GetImageFileLocationOatDataBegin()); |
| ASSERT_EQ("lue.art", oat_header.GetImageFileLocation()); |
| |
| 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()); |
| for (size_t i = 0; i < dex_file->NumClassDefs(); i++) { |
| const DexFile::ClassDef& class_def = dex_file->GetClassDef(i); |
| const byte* class_data = dex_file->GetClassData(class_def); |
| size_t num_virtual_methods = 0; |
| if (class_data != NULL) { |
| ClassDataItemIterator it(*dex_file, class_data); |
| num_virtual_methods = it.NumVirtualMethods(); |
| } |
| const char* descriptor = dex_file->GetClassDescriptor(class_def); |
| SirtRef<mirror::ClassLoader> loader(soa.Self(), nullptr); |
| mirror::Class* klass = class_linker->FindClass(soa.Self(), descriptor, loader); |
| |
| UniquePtr<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 (size_t i = 0; i < klass->NumDirectMethods(); i++, method_index++) { |
| CheckMethod(klass->GetDirectMethod(i), |
| oat_class->GetOatMethod(method_index), dex_file); |
| } |
| for (size_t i = 0; i < num_virtual_methods; i++, method_index++) { |
| CheckMethod(klass->GetVirtualMethod(i), |
| oat_class->GetOatMethod(method_index), dex_file); |
| } |
| } |
| } |
| |
| 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(80U, sizeof(OatHeader)); |
| EXPECT_EQ(28U, sizeof(OatMethodOffsets)); |
| } |
| |
| TEST_F(OatTest, OatHeaderIsValid) { |
| InstructionSet instruction_set = kX86; |
| InstructionSetFeatures instruction_set_features; |
| std::vector<const DexFile*> dex_files; |
| uint32_t image_file_location_oat_checksum = 0; |
| uint32_t image_file_location_oat_begin = 0; |
| const std::string image_file_location; |
| OatHeader oat_header(instruction_set, |
| instruction_set_features, |
| &dex_files, |
| image_file_location_oat_checksum, |
| image_file_location_oat_begin, |
| image_file_location); |
| 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()); |
| } |
| |
| } // namespace art |