| /* |
| * 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 "mirror/abstract_method-inl.h" |
| #include "mirror/class-inl.h" |
| #include "mirror/object_array-inl.h" |
| #include "mirror/object-inl.h" |
| #include "oat_file.h" |
| #include "oat_writer.h" |
| #include "vector_output_stream.h" |
| |
| #include "common_test.h" |
| |
| namespace art { |
| |
| class OatTest : public CommonTest { |
| protected: |
| void CheckMethod(mirror::AbstractMethod* method, |
| const OatFile::OatMethod& oat_method, |
| const DexFile* dex_file) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| const CompiledMethod* compiled_method = |
| compiler_driver_->GetCompiledMethod(CompilerDriver::MethodReference(dex_file, |
| method->GetDexMethodIndex())); |
| |
| if (compiled_method == NULL) { |
| EXPECT_TRUE(oat_method.GetCode() == NULL) << PrettyMethod(method) << " " |
| << oat_method.GetCode(); |
| #if !defined(ART_USE_PORTABLE_COMPILER) |
| EXPECT_EQ(oat_method.GetFrameSizeInBytes(), static_cast<uint32_t>(kStackAlignment)); |
| EXPECT_EQ(oat_method.GetCoreSpillMask(), 0U); |
| EXPECT_EQ(oat_method.GetFpSpillMask(), 0U); |
| #endif |
| } else { |
| const void* oat_code = oat_method.GetCode(); |
| EXPECT_TRUE(oat_code != NULL) << PrettyMethod(method); |
| uintptr_t oat_code_aligned = RoundDown(reinterpret_cast<uintptr_t>(oat_code), 2); |
| oat_code = reinterpret_cast<const void*>(oat_code_aligned); |
| |
| const std::vector<uint8_t>& code = compiled_method->GetCode(); |
| size_t code_size = code.size() * sizeof(code[0]); |
| EXPECT_EQ(0, memcmp(oat_code, &code[0], code_size)) |
| << PrettyMethod(method) << " " << code_size; |
| CHECK_EQ(0, memcmp(oat_code, &code[0], code_size)); |
| #if !defined(ART_USE_PORTABLE_COMPILER) |
| EXPECT_EQ(oat_method.GetFrameSizeInBytes(), compiled_method->GetFrameSizeInBytes()); |
| EXPECT_EQ(oat_method.GetCoreSpillMask(), compiled_method->GetCoreSpillMask()); |
| EXPECT_EQ(oat_method.GetFpSpillMask(), compiled_method->GetFpSpillMask()); |
| #endif |
| } |
| } |
| }; |
| |
| TEST_F(OatTest, WriteRead) { |
| const bool compile = false; // DISABLED_ due to the time to compile libcore |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| |
| jobject class_loader = NULL; |
| if (compile) { |
| // TODO: make selectable |
| #if defined(ART_USE_PORTABLE_COMPILER) |
| CompilerBackend compiler_backend = kPortable; |
| #else |
| CompilerBackend compiler_backend = kQuick; |
| #endif |
| compiler_driver_.reset(new CompilerDriver(compiler_backend, kThumb2, false, 2, false, false, |
| NULL, true, true)); |
| compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath()); |
| } |
| |
| ScopedObjectAccess soa(Thread::Current()); |
| ScratchFile tmp; |
| std::vector<uint8_t> oat_contents; |
| VectorOutputStream output_stream(tmp.GetFilename(), oat_contents); |
| bool success_oat = OatWriter::Create(output_stream, |
| class_linker->GetBootClassPath(), |
| 42U, |
| 4096U, |
| "lue.art", |
| *compiler_driver_.get()); |
| ASSERT_TRUE(success_oat); |
| bool success_elf = compiler_driver_->WriteElf(GetTestAndroidRoot(), |
| !kIsTargetBuild, |
| class_linker->GetBootClassPath(), |
| oat_contents, |
| tmp.GetFile()); |
| ASSERT_TRUE(success_elf); |
| |
| if (compile) { // OatWriter strips the code, regenerate to compare |
| compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath()); |
| } |
| UniquePtr<OatFile> oat_file(OatFile::Open(tmp.GetFilename(), tmp.GetFilename(), NULL)); |
| ASSERT_TRUE(oat_file.get() != NULL); |
| const OatHeader& oat_header = oat_file->GetOatHeader(); |
| ASSERT_TRUE(oat_header.IsValid()); |
| ASSERT_EQ(1U, oat_header.GetDexFileCount()); |
| 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_; |
| const OatFile::OatDexFile* oat_dex_file = oat_file->GetOatDexFile(dex_file->GetLocation()); |
| 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); |
| |
| UniquePtr<const OatFile::OatClass> oat_class(oat_dex_file->GetOatClass(i)); |
| |
| mirror::Class* klass = class_linker->FindClass(descriptor, NULL); |
| |
| 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(36U, sizeof(OatHeader)); |
| EXPECT_EQ(28U, sizeof(OatMethodOffsets)); |
| } |
| |
| TEST_F(OatTest, OatHeaderIsValid) { |
| InstructionSet instruction_set = kX86; |
| 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, |
| &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 |