common_compiler_test.cc revision d582fa4ea62083a7598dded5b82dc2198b3daac7
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 19#include "arch/instruction_set_features.h" 20#include "class_linker.h" 21#include "compiled_method.h" 22#include "dex/quick_compiler_callbacks.h" 23#include "dex/verification_results.h" 24#include "dex/quick/dex_file_to_method_inliner_map.h" 25#include "driver/compiler_driver.h" 26#include "interpreter/interpreter.h" 27#include "mirror/art_method.h" 28#include "mirror/dex_cache.h" 29#include "mirror/object-inl.h" 30#include "scoped_thread_state_change.h" 31#include "thread-inl.h" 32#include "utils.h" 33 34namespace art { 35 36CommonCompilerTest::CommonCompilerTest() {} 37CommonCompilerTest::~CommonCompilerTest() {} 38 39void CommonCompilerTest::MakeExecutable(mirror::ArtMethod* method) { 40 CHECK(method != nullptr); 41 42 const CompiledMethod* compiled_method = nullptr; 43 if (!method->IsAbstract()) { 44 mirror::DexCache* dex_cache = method->GetDeclaringClass()->GetDexCache(); 45 const DexFile& dex_file = *dex_cache->GetDexFile(); 46 compiled_method = 47 compiler_driver_->GetCompiledMethod(MethodReference(&dex_file, 48 method->GetDexMethodIndex())); 49 } 50 if (compiled_method != nullptr) { 51 const std::vector<uint8_t>* code = compiled_method->GetQuickCode(); 52 const void* code_ptr; 53 bool is_portable = (code == nullptr); 54 if (!is_portable) { 55 uint32_t code_size = code->size(); 56 CHECK_NE(0u, code_size); 57 const std::vector<uint8_t>& vmap_table = compiled_method->GetVmapTable(); 58 uint32_t vmap_table_offset = vmap_table.empty() ? 0u 59 : sizeof(OatQuickMethodHeader) + vmap_table.size(); 60 const std::vector<uint8_t>& mapping_table = compiled_method->GetMappingTable(); 61 uint32_t mapping_table_offset = mapping_table.empty() ? 0u 62 : sizeof(OatQuickMethodHeader) + vmap_table.size() + mapping_table.size(); 63 OatQuickMethodHeader method_header(mapping_table_offset, vmap_table_offset, 64 compiled_method->GetFrameSizeInBytes(), 65 compiled_method->GetCoreSpillMask(), 66 compiled_method->GetFpSpillMask(), code_size); 67 68 header_code_and_maps_chunks_.push_back(std::vector<uint8_t>()); 69 std::vector<uint8_t>* chunk = &header_code_and_maps_chunks_.back(); 70 size_t size = sizeof(method_header) + code_size + vmap_table.size() + mapping_table.size(); 71 size_t code_offset = compiled_method->AlignCode(size - code_size); 72 size_t padding = code_offset - (size - code_size); 73 chunk->reserve(padding + size); 74 chunk->resize(sizeof(method_header)); 75 memcpy(&(*chunk)[0], &method_header, sizeof(method_header)); 76 chunk->insert(chunk->begin(), vmap_table.begin(), vmap_table.end()); 77 chunk->insert(chunk->begin(), mapping_table.begin(), mapping_table.end()); 78 chunk->insert(chunk->begin(), padding, 0); 79 chunk->insert(chunk->end(), code->begin(), code->end()); 80 CHECK_EQ(padding + size, chunk->size()); 81 code_ptr = &(*chunk)[code_offset]; 82 } else { 83 code = compiled_method->GetPortableCode(); 84 code_ptr = &(*code)[0]; 85 } 86 MakeExecutable(code_ptr, code->size()); 87 const void* method_code = CompiledMethod::CodePointer(code_ptr, 88 compiled_method->GetInstructionSet()); 89 LOG(INFO) << "MakeExecutable " << PrettyMethod(method) << " code=" << method_code; 90 class_linker_->SetEntryPointsToCompiledCode(method, method_code, is_portable); 91 } else { 92 // No code? You must mean to go into the interpreter. 93 // Or the generic JNI... 94 class_linker_->SetEntryPointsToInterpreter(method); 95 } 96} 97 98void CommonCompilerTest::MakeExecutable(const void* code_start, size_t code_length) { 99 CHECK(code_start != nullptr); 100 CHECK_NE(code_length, 0U); 101 uintptr_t data = reinterpret_cast<uintptr_t>(code_start); 102 uintptr_t base = RoundDown(data, kPageSize); 103 uintptr_t limit = RoundUp(data + code_length, kPageSize); 104 uintptr_t len = limit - base; 105 int result = mprotect(reinterpret_cast<void*>(base), len, PROT_READ | PROT_WRITE | PROT_EXEC); 106 CHECK_EQ(result, 0); 107 108 // Flush instruction cache 109 // Only uses __builtin___clear_cache if GCC >= 4.3.3 110#if GCC_VERSION >= 40303 111 __builtin___clear_cache(reinterpret_cast<void*>(base), reinterpret_cast<void*>(base + len)); 112#else 113 // Only warn if not Intel as Intel doesn't have cache flush instructions. 114#if !defined(__i386__) && !defined(__x86_64__) 115 UNIMPLEMENTED(WARNING) << "cache flush"; 116#endif 117#endif 118} 119 120void CommonCompilerTest::MakeExecutable(mirror::ClassLoader* class_loader, const char* class_name) { 121 std::string class_descriptor(DotToDescriptor(class_name)); 122 Thread* self = Thread::Current(); 123 StackHandleScope<1> hs(self); 124 Handle<mirror::ClassLoader> loader(hs.NewHandle(class_loader)); 125 mirror::Class* klass = class_linker_->FindClass(self, class_descriptor.c_str(), loader); 126 CHECK(klass != nullptr) << "Class not found " << class_name; 127 for (size_t i = 0; i < klass->NumDirectMethods(); i++) { 128 MakeExecutable(klass->GetDirectMethod(i)); 129 } 130 for (size_t i = 0; i < klass->NumVirtualMethods(); i++) { 131 MakeExecutable(klass->GetVirtualMethod(i)); 132 } 133} 134 135void CommonCompilerTest::SetUp() { 136 CommonRuntimeTest::SetUp(); 137 { 138 ScopedObjectAccess soa(Thread::Current()); 139 140 const InstructionSet instruction_set = kRuntimeISA; 141 // Take the default set of instruction features from the build. 142 instruction_set_features_.reset(InstructionSetFeatures::FromCppDefines()); 143 144 runtime_->SetInstructionSet(instruction_set); 145 for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) { 146 Runtime::CalleeSaveType type = Runtime::CalleeSaveType(i); 147 if (!runtime_->HasCalleeSaveMethod(type)) { 148 runtime_->SetCalleeSaveMethod(runtime_->CreateCalleeSaveMethod(), type); 149 } 150 } 151 152 // TODO: make selectable 153 Compiler::Kind compiler_kind = kUsePortableCompiler ? Compiler::kPortable : Compiler::kQuick; 154 timer_.reset(new CumulativeLogger("Compilation times")); 155 compiler_driver_.reset(new CompilerDriver(compiler_options_.get(), 156 verification_results_.get(), 157 method_inliner_map_.get(), 158 compiler_kind, instruction_set, 159 instruction_set_features_.get(), 160 true, new std::set<std::string>, nullptr, 161 2, true, true, timer_.get(), "")); 162 } 163 // We typically don't generate an image in unit tests, disable this optimization by default. 164 compiler_driver_->SetSupportBootImageFixup(false); 165} 166 167void CommonCompilerTest::SetUpRuntimeOptions(RuntimeOptions* options) { 168 CommonRuntimeTest::SetUpRuntimeOptions(options); 169 170 compiler_options_.reset(new CompilerOptions); 171 verification_results_.reset(new VerificationResults(compiler_options_.get())); 172 method_inliner_map_.reset(new DexFileToMethodInlinerMap); 173 callbacks_.reset(new QuickCompilerCallbacks(verification_results_.get(), 174 method_inliner_map_.get())); 175 options->push_back(std::make_pair("compilercallbacks", callbacks_.get())); 176} 177 178void CommonCompilerTest::TearDown() { 179 timer_.reset(); 180 compiler_driver_.reset(); 181 callbacks_.reset(); 182 method_inliner_map_.reset(); 183 verification_results_.reset(); 184 compiler_options_.reset(); 185 186 CommonRuntimeTest::TearDown(); 187} 188 189void CommonCompilerTest::CompileClass(mirror::ClassLoader* class_loader, const char* class_name) { 190 std::string class_descriptor(DotToDescriptor(class_name)); 191 Thread* self = Thread::Current(); 192 StackHandleScope<1> hs(self); 193 Handle<mirror::ClassLoader> loader(hs.NewHandle(class_loader)); 194 mirror::Class* klass = class_linker_->FindClass(self, class_descriptor.c_str(), loader); 195 CHECK(klass != nullptr) << "Class not found " << class_name; 196 for (size_t i = 0; i < klass->NumDirectMethods(); i++) { 197 CompileMethod(klass->GetDirectMethod(i)); 198 } 199 for (size_t i = 0; i < klass->NumVirtualMethods(); i++) { 200 CompileMethod(klass->GetVirtualMethod(i)); 201 } 202} 203 204void CommonCompilerTest::CompileMethod(mirror::ArtMethod* method) { 205 CHECK(method != nullptr); 206 TimingLogger timings("CommonTest::CompileMethod", false, false); 207 TimingLogger::ScopedTiming t(__FUNCTION__, &timings); 208 compiler_driver_->CompileOne(method, &timings); 209 TimingLogger::ScopedTiming t2("MakeExecutable", &timings); 210 MakeExecutable(method); 211} 212 213void CommonCompilerTest::CompileDirectMethod(Handle<mirror::ClassLoader> class_loader, 214 const char* class_name, const char* method_name, 215 const char* signature) { 216 std::string class_descriptor(DotToDescriptor(class_name)); 217 Thread* self = Thread::Current(); 218 mirror::Class* klass = class_linker_->FindClass(self, class_descriptor.c_str(), class_loader); 219 CHECK(klass != nullptr) << "Class not found " << class_name; 220 mirror::ArtMethod* method = klass->FindDirectMethod(method_name, signature); 221 CHECK(method != nullptr) << "Direct method not found: " 222 << class_name << "." << method_name << signature; 223 CompileMethod(method); 224} 225 226void CommonCompilerTest::CompileVirtualMethod(Handle<mirror::ClassLoader> class_loader, 227 const char* class_name, const char* method_name, 228 const char* signature) { 229 std::string class_descriptor(DotToDescriptor(class_name)); 230 Thread* self = Thread::Current(); 231 mirror::Class* klass = class_linker_->FindClass(self, class_descriptor.c_str(), class_loader); 232 CHECK(klass != nullptr) << "Class not found " << class_name; 233 mirror::ArtMethod* method = klass->FindVirtualMethod(method_name, signature); 234 CHECK(method != NULL) << "Virtual method not found: " 235 << class_name << "." << method_name << signature; 236 CompileMethod(method); 237} 238 239void CommonCompilerTest::ReserveImageSpace() { 240 // Reserve where the image will be loaded up front so that other parts of test set up don't 241 // accidentally end up colliding with the fixed memory address when we need to load the image. 242 std::string error_msg; 243 MemMap::Init(); 244 image_reservation_.reset(MemMap::MapAnonymous("image reservation", 245 reinterpret_cast<uint8_t*>(ART_BASE_ADDRESS), 246 (size_t)100 * 1024 * 1024, // 100MB 247 PROT_NONE, 248 false /* no need for 4gb flag with fixed mmap*/, 249 &error_msg)); 250 CHECK(image_reservation_.get() != nullptr) << error_msg; 251} 252 253void CommonCompilerTest::UnreserveImageSpace() { 254 image_reservation_.reset(); 255} 256 257} // namespace art 258