oat_test.cc revision ea3fa0b4ba13d7bd7f7c1cd85202ccbe141a35ae
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 "compiler/oat_writer.h" 18#include "mirror/art_method-inl.h" 19#include "mirror/class-inl.h" 20#include "mirror/object_array-inl.h" 21#include "mirror/object-inl.h" 22#include "oat_file.h" 23#include "vector_output_stream.h" 24 25#include "common_test.h" 26 27namespace art { 28 29class OatTest : public CommonTest { 30 protected: 31 static const bool kCompile = false; // DISABLED_ due to the time to compile libcore 32 33 void CheckMethod(mirror::ArtMethod* method, 34 const OatFile::OatMethod& oat_method, 35 const DexFile* dex_file) 36 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 37 const CompiledMethod* compiled_method = 38 compiler_driver_->GetCompiledMethod(MethodReference(dex_file, 39 method->GetDexMethodIndex())); 40 41 if (compiled_method == NULL) { 42 EXPECT_TRUE(oat_method.GetQuickCode() == NULL) << PrettyMethod(method) << " " 43 << oat_method.GetQuickCode(); 44 EXPECT_TRUE(oat_method.GetPortableCode() == NULL) << PrettyMethod(method) << " " 45 << oat_method.GetPortableCode(); 46 EXPECT_EQ(oat_method.GetFrameSizeInBytes(), 0U); 47 EXPECT_EQ(oat_method.GetCoreSpillMask(), 0U); 48 EXPECT_EQ(oat_method.GetFpSpillMask(), 0U); 49 } else { 50 const void* quick_oat_code = oat_method.GetQuickCode(); 51 if (quick_oat_code != nullptr) { 52 EXPECT_EQ(oat_method.GetFrameSizeInBytes(), compiled_method->GetFrameSizeInBytes()); 53 EXPECT_EQ(oat_method.GetCoreSpillMask(), compiled_method->GetCoreSpillMask()); 54 EXPECT_EQ(oat_method.GetFpSpillMask(), compiled_method->GetFpSpillMask()); 55 uintptr_t oat_code_aligned = RoundDown(reinterpret_cast<uintptr_t>(quick_oat_code), 2); 56 quick_oat_code = reinterpret_cast<const void*>(oat_code_aligned); 57 const std::vector<uint8_t>* quick_code = compiled_method->GetQuickCode(); 58 EXPECT_TRUE(quick_code != nullptr); 59 size_t code_size = quick_code->size() * sizeof(quick_code[0]); 60 EXPECT_EQ(0, memcmp(quick_oat_code, &quick_code[0], code_size)) 61 << PrettyMethod(method) << " " << code_size; 62 CHECK_EQ(0, memcmp(quick_oat_code, &quick_code[0], code_size)); 63 } else { 64 const void* portable_oat_code = oat_method.GetPortableCode(); 65 EXPECT_TRUE(portable_oat_code != nullptr) << PrettyMethod(method); 66 EXPECT_EQ(oat_method.GetFrameSizeInBytes(), 0U); 67 EXPECT_EQ(oat_method.GetCoreSpillMask(), 0U); 68 EXPECT_EQ(oat_method.GetFpSpillMask(), 0U); 69 uintptr_t oat_code_aligned = RoundDown(reinterpret_cast<uintptr_t>(portable_oat_code), 2); 70 portable_oat_code = reinterpret_cast<const void*>(oat_code_aligned); 71 const std::vector<uint8_t>* portable_code = compiled_method->GetPortableCode(); 72 EXPECT_TRUE(portable_code != nullptr); 73 size_t code_size = portable_code->size() * sizeof(portable_code[0]); 74 EXPECT_EQ(0, memcmp(quick_oat_code, &portable_code[0], code_size)) 75 << PrettyMethod(method) << " " << code_size; 76 CHECK_EQ(0, memcmp(quick_oat_code, &portable_code[0], code_size)); 77 } 78 } 79 } 80}; 81 82TEST_F(OatTest, WriteRead) { 83 TimingLogger timings("CommonTest::WriteRead", false, false); 84 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 85 86 // TODO: make selectable. 87 CompilerBackend compiler_backend = kUsePortableCompiler ? kPortable : kQuick; 88 InstructionSet insn_set = kIsTargetBuild ? kThumb2 : kX86; 89 90 InstructionSetFeatures insn_features; 91 verification_results_.reset(new VerificationResults); 92 method_inliner_map_.reset(compiler_backend == kQuick ? new DexFileToMethodInlinerMap : nullptr); 93 callbacks_.Reset(verification_results_.get(), method_inliner_map_.get()); 94 timer_.reset(new CumulativeLogger("Compilation times")); 95 compiler_driver_.reset(new CompilerDriver(verification_results_.get(), 96 method_inliner_map_.get(), 97 compiler_backend, insn_set, 98 insn_features, false, NULL, 2, true, true, 99 timer_.get())); 100 jobject class_loader = NULL; 101 if (kCompile) { 102 TimingLogger timings("OatTest::WriteRead", false, false); 103 compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), timings); 104 } 105 106 ScopedObjectAccess soa(Thread::Current()); 107 ScratchFile tmp; 108 OatWriter oat_writer(class_linker->GetBootClassPath(), 109 42U, 110 4096U, 111 "lue.art", 112 compiler_driver_.get(), 113 &timings); 114 bool success = compiler_driver_->WriteElf(GetTestAndroidRoot(), 115 !kIsTargetBuild, 116 class_linker->GetBootClassPath(), 117 oat_writer, 118 tmp.GetFile()); 119 ASSERT_TRUE(success); 120 121 if (kCompile) { // OatWriter strips the code, regenerate to compare 122 compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), timings); 123 } 124 std::string error_msg; 125 UniquePtr<OatFile> oat_file(OatFile::Open(tmp.GetFilename(), tmp.GetFilename(), NULL, false, 126 &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", oat_header.GetImageFileLocation()); 134 135 const DexFile* dex_file = java_lang_dex_file_; 136 uint32_t dex_file_checksum = dex_file->GetLocationChecksum(); 137 const OatFile::OatDexFile* oat_dex_file = oat_file->GetOatDexFile(dex_file->GetLocation().c_str(), 138 &dex_file_checksum); 139 ASSERT_TRUE(oat_dex_file != nullptr); 140 CHECK_EQ(dex_file->GetLocationChecksum(), oat_dex_file->GetDexFileLocationChecksum()); 141 for (size_t i = 0; i < dex_file->NumClassDefs(); i++) { 142 const DexFile::ClassDef& class_def = dex_file->GetClassDef(i); 143 const byte* class_data = dex_file->GetClassData(class_def); 144 size_t num_virtual_methods = 0; 145 if (class_data != NULL) { 146 ClassDataItemIterator it(*dex_file, class_data); 147 num_virtual_methods = it.NumVirtualMethods(); 148 } 149 const char* descriptor = dex_file->GetClassDescriptor(class_def); 150 SirtRef<mirror::ClassLoader> loader(Thread::Current(), nullptr); 151 mirror::Class* klass = class_linker->FindClass(descriptor, loader); 152 153 UniquePtr<const OatFile::OatClass> oat_class(oat_dex_file->GetOatClass(i)); 154 CHECK_EQ(mirror::Class::Status::kStatusNotReady, oat_class->GetStatus()) << descriptor; 155 CHECK_EQ(kCompile ? OatClassType::kOatClassAllCompiled : OatClassType::kOatClassNoneCompiled, 156 oat_class->GetType()) << descriptor; 157 158 size_t method_index = 0; 159 for (size_t i = 0; i < klass->NumDirectMethods(); i++, method_index++) { 160 CheckMethod(klass->GetDirectMethod(i), 161 oat_class->GetOatMethod(method_index), dex_file); 162 } 163 for (size_t i = 0; i < num_virtual_methods; i++, method_index++) { 164 CheckMethod(klass->GetVirtualMethod(i), 165 oat_class->GetOatMethod(method_index), dex_file); 166 } 167 } 168} 169 170TEST_F(OatTest, OatHeaderSizeCheck) { 171 // If this test is failing and you have to update these constants, 172 // it is time to update OatHeader::kOatVersion 173 EXPECT_EQ(76U, sizeof(OatHeader)); 174 EXPECT_EQ(28U, sizeof(OatMethodOffsets)); 175} 176 177TEST_F(OatTest, OatHeaderIsValid) { 178 InstructionSet instruction_set = kX86; 179 InstructionSetFeatures instruction_set_features; 180 std::vector<const DexFile*> dex_files; 181 uint32_t image_file_location_oat_checksum = 0; 182 uint32_t image_file_location_oat_begin = 0; 183 const std::string image_file_location; 184 OatHeader oat_header(instruction_set, 185 instruction_set_features, 186 &dex_files, 187 image_file_location_oat_checksum, 188 image_file_location_oat_begin, 189 image_file_location); 190 ASSERT_TRUE(oat_header.IsValid()); 191 192 char* magic = const_cast<char*>(oat_header.GetMagic()); 193 strcpy(magic, ""); // bad magic 194 ASSERT_FALSE(oat_header.IsValid()); 195 strcpy(magic, "oat\n000"); // bad version 196 ASSERT_FALSE(oat_header.IsValid()); 197} 198 199} // namespace art 200