oat_test.cc revision 90443477f9a0061581c420775ce3b7eeae7468bc
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 "class_linker.h" 20#include "common_compiler_test.h" 21#include "compiled_method.h" 22#include "compiler.h" 23#include "dex/pass_manager.h" 24#include "dex/quick/dex_file_to_method_inliner_map.h" 25#include "dex/quick_compiler_callbacks.h" 26#include "dex/verification_results.h" 27#include "driver/compiler_driver.h" 28#include "driver/compiler_options.h" 29#include "entrypoints/quick/quick_entrypoints.h" 30#include "mirror/class-inl.h" 31#include "mirror/object_array-inl.h" 32#include "mirror/object-inl.h" 33#include "oat_file-inl.h" 34#include "oat_writer.h" 35#include "scoped_thread_state_change.h" 36#include "vector_output_stream.h" 37 38namespace art { 39 40class OatTest : public CommonCompilerTest { 41 protected: 42 static const bool kCompile = false; // DISABLED_ due to the time to compile libcore 43 44 void CheckMethod(ArtMethod* method, 45 const OatFile::OatMethod& oat_method, 46 const DexFile& dex_file) 47 SHARED_REQUIRES(Locks::mutator_lock_) { 48 const CompiledMethod* compiled_method = 49 compiler_driver_->GetCompiledMethod(MethodReference(&dex_file, 50 method->GetDexMethodIndex())); 51 52 if (compiled_method == nullptr) { 53 EXPECT_TRUE(oat_method.GetQuickCode() == nullptr) << PrettyMethod(method) << " " 54 << oat_method.GetQuickCode(); 55 EXPECT_EQ(oat_method.GetFrameSizeInBytes(), 0U); 56 EXPECT_EQ(oat_method.GetCoreSpillMask(), 0U); 57 EXPECT_EQ(oat_method.GetFpSpillMask(), 0U); 58 } else { 59 const void* quick_oat_code = oat_method.GetQuickCode(); 60 EXPECT_TRUE(quick_oat_code != nullptr) << PrettyMethod(method); 61 EXPECT_EQ(oat_method.GetFrameSizeInBytes(), compiled_method->GetFrameSizeInBytes()); 62 EXPECT_EQ(oat_method.GetCoreSpillMask(), compiled_method->GetCoreSpillMask()); 63 EXPECT_EQ(oat_method.GetFpSpillMask(), compiled_method->GetFpSpillMask()); 64 uintptr_t oat_code_aligned = RoundDown(reinterpret_cast<uintptr_t>(quick_oat_code), 2); 65 quick_oat_code = reinterpret_cast<const void*>(oat_code_aligned); 66 const SwapVector<uint8_t>* quick_code = compiled_method->GetQuickCode(); 67 EXPECT_TRUE(quick_code != nullptr); 68 size_t code_size = quick_code->size() * sizeof(quick_code[0]); 69 EXPECT_EQ(0, memcmp(quick_oat_code, &quick_code[0], code_size)) 70 << PrettyMethod(method) << " " << code_size; 71 CHECK_EQ(0, memcmp(quick_oat_code, &quick_code[0], code_size)); 72 } 73 } 74}; 75 76TEST_F(OatTest, WriteRead) { 77 TimingLogger timings("OatTest::WriteRead", false, false); 78 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 79 80 // TODO: make selectable. 81 Compiler::Kind compiler_kind = Compiler::kQuick; 82 InstructionSet insn_set = kIsTargetBuild ? kThumb2 : kX86; 83 84 std::string error_msg; 85 std::unique_ptr<const InstructionSetFeatures> insn_features( 86 InstructionSetFeatures::FromVariant(insn_set, "default", &error_msg)); 87 ASSERT_TRUE(insn_features.get() != nullptr) << error_msg; 88 compiler_options_.reset(new CompilerOptions); 89 verification_results_.reset(new VerificationResults(compiler_options_.get())); 90 method_inliner_map_.reset(new DexFileToMethodInlinerMap); 91 timer_.reset(new CumulativeLogger("Compilation times")); 92 compiler_driver_.reset(new CompilerDriver(compiler_options_.get(), 93 verification_results_.get(), 94 method_inliner_map_.get(), 95 compiler_kind, insn_set, 96 insn_features.get(), false, nullptr, nullptr, nullptr, 97 2, true, true, "", timer_.get(), -1, "")); 98 jobject class_loader = nullptr; 99 if (kCompile) { 100 TimingLogger timings2("OatTest::WriteRead", false, false); 101 compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings2); 102 } 103 104 ScratchFile tmp; 105 SafeMap<std::string, std::string> key_value_store; 106 key_value_store.Put(OatHeader::kImageLocationKey, "lue.art"); 107 OatWriter oat_writer(class_linker->GetBootClassPath(), 108 42U, 109 4096U, 110 0, 111 compiler_driver_.get(), 112 nullptr, 113 &timings, 114 &key_value_store); 115 bool success = compiler_driver_->WriteElf(GetTestAndroidRoot(), 116 !kIsTargetBuild, 117 class_linker->GetBootClassPath(), 118 &oat_writer, 119 tmp.GetFile()); 120 ASSERT_TRUE(success); 121 122 if (kCompile) { // OatWriter strips the code, regenerate to compare 123 compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings); 124 } 125 std::unique_ptr<OatFile> oat_file(OatFile::Open(tmp.GetFilename(), tmp.GetFilename(), nullptr, 126 nullptr, false, nullptr, &error_msg)); 127 ASSERT_TRUE(oat_file.get() != nullptr) << error_msg; 128 const OatHeader& oat_header = oat_file->GetOatHeader(); 129 ASSERT_TRUE(oat_header.IsValid()); 130 ASSERT_EQ(1U, oat_header.GetDexFileCount()); // core 131 ASSERT_EQ(42U, oat_header.GetImageFileLocationOatChecksum()); 132 ASSERT_EQ(4096U, oat_header.GetImageFileLocationOatDataBegin()); 133 ASSERT_EQ("lue.art", std::string(oat_header.GetStoreValueByKey(OatHeader::kImageLocationKey))); 134 135 ASSERT_TRUE(java_lang_dex_file_ != nullptr); 136 const DexFile& dex_file = *java_lang_dex_file_; 137 uint32_t dex_file_checksum = dex_file.GetLocationChecksum(); 138 const OatFile::OatDexFile* oat_dex_file = oat_file->GetOatDexFile(dex_file.GetLocation().c_str(), 139 &dex_file_checksum); 140 ASSERT_TRUE(oat_dex_file != nullptr); 141 CHECK_EQ(dex_file.GetLocationChecksum(), oat_dex_file->GetDexFileLocationChecksum()); 142 ScopedObjectAccess soa(Thread::Current()); 143 auto pointer_size = class_linker->GetImagePointerSize(); 144 for (size_t i = 0; i < dex_file.NumClassDefs(); i++) { 145 const DexFile::ClassDef& class_def = dex_file.GetClassDef(i); 146 const uint8_t* class_data = dex_file.GetClassData(class_def); 147 148 size_t num_virtual_methods = 0; 149 if (class_data != nullptr) { 150 ClassDataItemIterator it(dex_file, class_data); 151 num_virtual_methods = it.NumVirtualMethods(); 152 } 153 154 const char* descriptor = dex_file.GetClassDescriptor(class_def); 155 mirror::Class* klass = class_linker->FindClass(soa.Self(), descriptor, 156 NullHandle<mirror::ClassLoader>()); 157 158 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(i); 159 CHECK_EQ(mirror::Class::Status::kStatusNotReady, oat_class.GetStatus()) << descriptor; 160 CHECK_EQ(kCompile ? OatClassType::kOatClassAllCompiled : OatClassType::kOatClassNoneCompiled, 161 oat_class.GetType()) << descriptor; 162 163 size_t method_index = 0; 164 for (auto& m : klass->GetDirectMethods(pointer_size)) { 165 CheckMethod(&m, oat_class.GetOatMethod(method_index), dex_file); 166 ++method_index; 167 } 168 size_t visited_virtuals = 0; 169 for (auto& m : klass->GetVirtualMethods(pointer_size)) { 170 if (!m.IsMiranda()) { 171 CheckMethod(&m, oat_class.GetOatMethod(method_index), dex_file); 172 ++method_index; 173 ++visited_virtuals; 174 } 175 } 176 EXPECT_EQ(visited_virtuals, num_virtual_methods); 177 } 178} 179 180TEST_F(OatTest, OatHeaderSizeCheck) { 181 // If this test is failing and you have to update these constants, 182 // it is time to update OatHeader::kOatVersion 183 EXPECT_EQ(72U, sizeof(OatHeader)); 184 EXPECT_EQ(4U, sizeof(OatMethodOffsets)); 185 EXPECT_EQ(28U, sizeof(OatQuickMethodHeader)); 186 EXPECT_EQ(112 * GetInstructionSetPointerSize(kRuntimeISA), sizeof(QuickEntryPoints)); 187} 188 189TEST_F(OatTest, OatHeaderIsValid) { 190 InstructionSet insn_set = kX86; 191 std::string error_msg; 192 std::unique_ptr<const InstructionSetFeatures> insn_features( 193 InstructionSetFeatures::FromVariant(insn_set, "default", &error_msg)); 194 ASSERT_TRUE(insn_features.get() != nullptr) << error_msg; 195 std::vector<const DexFile*> dex_files; 196 uint32_t image_file_location_oat_checksum = 0; 197 uint32_t image_file_location_oat_begin = 0; 198 std::unique_ptr<OatHeader> oat_header(OatHeader::Create(insn_set, 199 insn_features.get(), 200 &dex_files, 201 image_file_location_oat_checksum, 202 image_file_location_oat_begin, 203 nullptr)); 204 ASSERT_NE(oat_header.get(), nullptr); 205 ASSERT_TRUE(oat_header->IsValid()); 206 207 char* magic = const_cast<char*>(oat_header->GetMagic()); 208 strcpy(magic, ""); // bad magic 209 ASSERT_FALSE(oat_header->IsValid()); 210 strcpy(magic, "oat\n000"); // bad version 211 ASSERT_FALSE(oat_header->IsValid()); 212} 213 214} // namespace art 215