oat_test.cc revision d9cb8ae2ed78f957a773af61759432d7a7bf78af
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 "common_compiler_test.h" 18#include "compiler.h" 19#include "dex/verification_results.h" 20#include "dex/quick/dex_file_to_method_inliner_map.h" 21#include "dex/quick_compiler_callbacks.h" 22#include "entrypoints/quick/quick_entrypoints.h" 23#include "implicit_check_options.h" 24#include "mirror/art_method-inl.h" 25#include "mirror/class-inl.h" 26#include "mirror/object_array-inl.h" 27#include "mirror/object-inl.h" 28#include "oat_file-inl.h" 29#include "oat_writer.h" 30#include "scoped_thread_state_change.h" 31#include "vector_output_stream.h" 32 33namespace art { 34 35class OatTest : public CommonCompilerTest { 36 protected: 37 static const bool kCompile = false; // DISABLED_ due to the time to compile libcore 38 39 void CheckMethod(mirror::ArtMethod* method, 40 const OatFile::OatMethod& oat_method, 41 const DexFile* dex_file) 42 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 43 const CompiledMethod* compiled_method = 44 compiler_driver_->GetCompiledMethod(MethodReference(dex_file, 45 method->GetDexMethodIndex())); 46 47 if (compiled_method == NULL) { 48 EXPECT_TRUE(oat_method.GetQuickCode() == NULL) << PrettyMethod(method) << " " 49 << oat_method.GetQuickCode(); 50 EXPECT_TRUE(oat_method.GetPortableCode() == NULL) << PrettyMethod(method) << " " 51 << oat_method.GetPortableCode(); 52 EXPECT_EQ(oat_method.GetFrameSizeInBytes(), 0U); 53 EXPECT_EQ(oat_method.GetCoreSpillMask(), 0U); 54 EXPECT_EQ(oat_method.GetFpSpillMask(), 0U); 55 } else { 56 const void* quick_oat_code = oat_method.GetQuickCode(); 57 if (quick_oat_code != nullptr) { 58 EXPECT_EQ(oat_method.GetFrameSizeInBytes(), compiled_method->GetFrameSizeInBytes()); 59 EXPECT_EQ(oat_method.GetCoreSpillMask(), compiled_method->GetCoreSpillMask()); 60 EXPECT_EQ(oat_method.GetFpSpillMask(), compiled_method->GetFpSpillMask()); 61 uintptr_t oat_code_aligned = RoundDown(reinterpret_cast<uintptr_t>(quick_oat_code), 2); 62 quick_oat_code = reinterpret_cast<const void*>(oat_code_aligned); 63 const std::vector<uint8_t>* quick_code = compiled_method->GetQuickCode(); 64 EXPECT_TRUE(quick_code != nullptr); 65 size_t code_size = quick_code->size() * sizeof(quick_code[0]); 66 EXPECT_EQ(0, memcmp(quick_oat_code, &quick_code[0], code_size)) 67 << PrettyMethod(method) << " " << code_size; 68 CHECK_EQ(0, memcmp(quick_oat_code, &quick_code[0], code_size)); 69 } else { 70 const void* portable_oat_code = oat_method.GetPortableCode(); 71 EXPECT_TRUE(portable_oat_code != nullptr) << PrettyMethod(method); 72 EXPECT_EQ(oat_method.GetFrameSizeInBytes(), 0U); 73 EXPECT_EQ(oat_method.GetCoreSpillMask(), 0U); 74 EXPECT_EQ(oat_method.GetFpSpillMask(), 0U); 75 uintptr_t oat_code_aligned = RoundDown(reinterpret_cast<uintptr_t>(portable_oat_code), 2); 76 portable_oat_code = reinterpret_cast<const void*>(oat_code_aligned); 77 const std::vector<uint8_t>* portable_code = compiled_method->GetPortableCode(); 78 EXPECT_TRUE(portable_code != nullptr); 79 size_t code_size = portable_code->size() * sizeof(portable_code[0]); 80 EXPECT_EQ(0, memcmp(quick_oat_code, &portable_code[0], code_size)) 81 << PrettyMethod(method) << " " << code_size; 82 CHECK_EQ(0, memcmp(quick_oat_code, &portable_code[0], code_size)); 83 } 84 } 85 } 86}; 87 88TEST_F(OatTest, WriteRead) { 89 TimingLogger timings("OatTest::WriteRead", false, false); 90 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 91 92 // TODO: make selectable. 93 Compiler::Kind compiler_kind = kUsePortableCompiler 94 ? Compiler::kPortable 95 : Compiler::kQuick; 96 InstructionSet insn_set = kIsTargetBuild ? kThumb2 : kX86; 97 98 InstructionSetFeatures insn_features; 99 compiler_options_.reset(new CompilerOptions); 100 verification_results_.reset(new VerificationResults(compiler_options_.get())); 101 method_inliner_map_.reset(new DexFileToMethodInlinerMap); 102 callbacks_.reset(new QuickCompilerCallbacks(verification_results_.get(), 103 method_inliner_map_.get())); 104 timer_.reset(new CumulativeLogger("Compilation times")); 105 compiler_driver_.reset(new CompilerDriver(compiler_options_.get(), 106 verification_results_.get(), 107 method_inliner_map_.get(), 108 compiler_kind, insn_set, 109 insn_features, false, NULL, 2, true, true, 110 timer_.get())); 111 jobject class_loader = NULL; 112 if (kCompile) { 113 TimingLogger timings("OatTest::WriteRead", false, false); 114 compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings); 115 } 116 117 ScopedObjectAccess soa(Thread::Current()); 118 ScratchFile tmp; 119 SafeMap<std::string, std::string> key_value_store; 120 key_value_store.Put(OatHeader::kImageLocationKey, "lue.art"); 121 key_value_store.Put(ImplicitCheckOptions::kImplicitChecksOatHeaderKey, 122 ImplicitCheckOptions::Serialize(true, true, true)); 123 OatWriter oat_writer(class_linker->GetBootClassPath(), 124 42U, 125 4096U, 126 compiler_driver_.get(), 127 &timings, 128 &key_value_store); 129 bool success = compiler_driver_->WriteElf(GetTestAndroidRoot(), 130 !kIsTargetBuild, 131 class_linker->GetBootClassPath(), 132 &oat_writer, 133 tmp.GetFile()); 134 ASSERT_TRUE(success); 135 136 if (kCompile) { // OatWriter strips the code, regenerate to compare 137 compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings); 138 } 139 std::string error_msg; 140 std::unique_ptr<OatFile> oat_file(OatFile::Open(tmp.GetFilename(), tmp.GetFilename(), NULL, false, 141 &error_msg)); 142 ASSERT_TRUE(oat_file.get() != nullptr) << error_msg; 143 const OatHeader& oat_header = oat_file->GetOatHeader(); 144 ASSERT_TRUE(oat_header.IsValid()); 145 ASSERT_EQ(1U, oat_header.GetDexFileCount()); // core 146 ASSERT_EQ(42U, oat_header.GetImageFileLocationOatChecksum()); 147 ASSERT_EQ(4096U, oat_header.GetImageFileLocationOatDataBegin()); 148 ASSERT_EQ("lue.art", std::string(oat_header.GetStoreValueByKey(OatHeader::kImageLocationKey))); 149 150 const DexFile* dex_file = java_lang_dex_file_; 151 uint32_t dex_file_checksum = dex_file->GetLocationChecksum(); 152 const OatFile::OatDexFile* oat_dex_file = oat_file->GetOatDexFile(dex_file->GetLocation().c_str(), 153 &dex_file_checksum); 154 ASSERT_TRUE(oat_dex_file != nullptr); 155 CHECK_EQ(dex_file->GetLocationChecksum(), oat_dex_file->GetDexFileLocationChecksum()); 156 for (size_t i = 0; i < dex_file->NumClassDefs(); i++) { 157 const DexFile::ClassDef& class_def = dex_file->GetClassDef(i); 158 const byte* class_data = dex_file->GetClassData(class_def); 159 size_t num_virtual_methods = 0; 160 if (class_data != NULL) { 161 ClassDataItemIterator it(*dex_file, class_data); 162 num_virtual_methods = it.NumVirtualMethods(); 163 } 164 const char* descriptor = dex_file->GetClassDescriptor(class_def); 165 StackHandleScope<1> hs(soa.Self()); 166 mirror::Class* klass = class_linker->FindClass(soa.Self(), descriptor, 167 NullHandle<mirror::ClassLoader>()); 168 169 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(i); 170 CHECK_EQ(mirror::Class::Status::kStatusNotReady, oat_class.GetStatus()) << descriptor; 171 CHECK_EQ(kCompile ? OatClassType::kOatClassAllCompiled : OatClassType::kOatClassNoneCompiled, 172 oat_class.GetType()) << descriptor; 173 174 size_t method_index = 0; 175 for (size_t i = 0; i < klass->NumDirectMethods(); i++, method_index++) { 176 CheckMethod(klass->GetDirectMethod(i), 177 oat_class.GetOatMethod(method_index), dex_file); 178 } 179 for (size_t i = 0; i < num_virtual_methods; i++, method_index++) { 180 CheckMethod(klass->GetVirtualMethod(i), 181 oat_class.GetOatMethod(method_index), dex_file); 182 } 183 } 184} 185 186TEST_F(OatTest, OatHeaderSizeCheck) { 187 // If this test is failing and you have to update these constants, 188 // it is time to update OatHeader::kOatVersion 189 EXPECT_EQ(80U, sizeof(OatHeader)); 190 EXPECT_EQ(8U, sizeof(OatMethodOffsets)); 191 EXPECT_EQ(24U, sizeof(OatQuickMethodHeader)); 192 EXPECT_EQ(79 * GetInstructionSetPointerSize(kRuntimeISA), sizeof(QuickEntryPoints)); 193} 194 195TEST_F(OatTest, OatHeaderIsValid) { 196 InstructionSet instruction_set = kX86; 197 InstructionSetFeatures instruction_set_features; 198 std::vector<const DexFile*> dex_files; 199 uint32_t image_file_location_oat_checksum = 0; 200 uint32_t image_file_location_oat_begin = 0; 201 OatHeader* oat_header = OatHeader::Create(instruction_set, 202 instruction_set_features, 203 &dex_files, 204 image_file_location_oat_checksum, 205 image_file_location_oat_begin, 206 nullptr); 207 ASSERT_NE(oat_header, nullptr); 208 ASSERT_TRUE(oat_header->IsValid()); 209 210 char* magic = const_cast<char*>(oat_header->GetMagic()); 211 strcpy(magic, ""); // bad magic 212 ASSERT_FALSE(oat_header->IsValid()); 213 strcpy(magic, "oat\n000"); // bad version 214 ASSERT_FALSE(oat_header->IsValid()); 215} 216 217} // namespace art 218