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