common_compiler_test.cc revision 2535abe7d1fcdd0e6aca782b1f1932a703ed50a4
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/pass_manager.h" 23#include "dex/quick_compiler_callbacks.h" 24#include "dex/quick/dex_file_to_method_inliner_map.h" 25#include "dex/verification_results.h" 26#include "driver/compiler_driver.h" 27#include "interpreter/interpreter.h" 28#include "mirror/art_method.h" 29#include "mirror/dex_cache.h" 30#include "mirror/object-inl.h" 31#include "scoped_thread_state_change.h" 32#include "thread-inl.h" 33#include "utils.h" 34 35namespace art { 36 37CommonCompilerTest::CommonCompilerTest() {} 38CommonCompilerTest::~CommonCompilerTest() {} 39 40void CommonCompilerTest::MakeExecutable(mirror::ArtMethod* method) { 41 CHECK(method != nullptr); 42 43 const CompiledMethod* compiled_method = nullptr; 44 if (!method->IsAbstract()) { 45 mirror::DexCache* dex_cache = method->GetDeclaringClass()->GetDexCache(); 46 const DexFile& dex_file = *dex_cache->GetDexFile(); 47 compiled_method = 48 compiler_driver_->GetCompiledMethod(MethodReference(&dex_file, 49 method->GetDexMethodIndex())); 50 } 51 if (compiled_method != nullptr) { 52 const SwapVector<uint8_t>* code = compiled_method->GetQuickCode(); 53 uint32_t code_size = code->size(); 54 CHECK_NE(0u, code_size); 55 const SwapVector<uint8_t>* vmap_table = compiled_method->GetVmapTable(); 56 uint32_t vmap_table_offset = vmap_table->empty() ? 0u 57 : sizeof(OatQuickMethodHeader) + vmap_table->size(); 58 const SwapVector<uint8_t>* mapping_table = compiled_method->GetMappingTable(); 59 bool mapping_table_used = mapping_table != nullptr && !mapping_table->empty(); 60 size_t mapping_table_size = mapping_table_used ? mapping_table->size() : 0U; 61 uint32_t mapping_table_offset = !mapping_table_used ? 0u 62 : sizeof(OatQuickMethodHeader) + vmap_table->size() + mapping_table_size; 63 const SwapVector<uint8_t>* gc_map = compiled_method->GetGcMap(); 64 bool gc_map_used = gc_map != nullptr && !gc_map->empty(); 65 size_t gc_map_size = gc_map_used ? gc_map->size() : 0U; 66 uint32_t gc_map_offset = !gc_map_used ? 0u 67 : sizeof(OatQuickMethodHeader) + vmap_table->size() + mapping_table_size + gc_map_size; 68 OatQuickMethodHeader method_header(mapping_table_offset, vmap_table_offset, gc_map_offset, 69 compiled_method->GetFrameSizeInBytes(), 70 compiled_method->GetCoreSpillMask(), 71 compiled_method->GetFpSpillMask(), code_size); 72 73 header_code_and_maps_chunks_.push_back(std::vector<uint8_t>()); 74 std::vector<uint8_t>* chunk = &header_code_and_maps_chunks_.back(); 75 size_t size = sizeof(method_header) + code_size + vmap_table->size() + mapping_table_size + 76 gc_map_size; 77 size_t code_offset = compiled_method->AlignCode(size - code_size); 78 size_t padding = code_offset - (size - code_size); 79 chunk->reserve(padding + size); 80 chunk->resize(sizeof(method_header)); 81 memcpy(&(*chunk)[0], &method_header, sizeof(method_header)); 82 chunk->insert(chunk->begin(), vmap_table->begin(), vmap_table->end()); 83 if (mapping_table_used) { 84 chunk->insert(chunk->begin(), mapping_table->begin(), mapping_table->end()); 85 } 86 if (gc_map_used) { 87 chunk->insert(chunk->begin(), gc_map->begin(), gc_map->end()); 88 } 89 chunk->insert(chunk->begin(), padding, 0); 90 chunk->insert(chunk->end(), code->begin(), code->end()); 91 CHECK_EQ(padding + size, chunk->size()); 92 const void* code_ptr = &(*chunk)[code_offset]; 93 MakeExecutable(code_ptr, code->size()); 94 const void* method_code = CompiledMethod::CodePointer(code_ptr, 95 compiled_method->GetInstructionSet()); 96 LOG(INFO) << "MakeExecutable " << PrettyMethod(method) << " code=" << method_code; 97 class_linker_->SetEntryPointsToCompiledCode(method, method_code); 98 } else { 99 // No code? You must mean to go into the interpreter. 100 // Or the generic JNI... 101 class_linker_->SetEntryPointsToInterpreter(method); 102 } 103} 104 105void CommonCompilerTest::MakeExecutable(const void* code_start, size_t code_length) { 106 CHECK(code_start != nullptr); 107 CHECK_NE(code_length, 0U); 108 uintptr_t data = reinterpret_cast<uintptr_t>(code_start); 109 uintptr_t base = RoundDown(data, kPageSize); 110 uintptr_t limit = RoundUp(data + code_length, kPageSize); 111 uintptr_t len = limit - base; 112 int result = mprotect(reinterpret_cast<void*>(base), len, PROT_READ | PROT_WRITE | PROT_EXEC); 113 CHECK_EQ(result, 0); 114 115 // Flush instruction cache 116 // Only uses __builtin___clear_cache if GCC >= 4.3.3 117#if GCC_VERSION >= 40303 118 __builtin___clear_cache(reinterpret_cast<void*>(base), reinterpret_cast<void*>(base + len)); 119#else 120 // Only warn if not Intel as Intel doesn't have cache flush instructions. 121#if !defined(__i386__) && !defined(__x86_64__) 122 UNIMPLEMENTED(WARNING) << "cache flush"; 123#endif 124#endif 125} 126 127void CommonCompilerTest::MakeExecutable(mirror::ClassLoader* class_loader, const char* class_name) { 128 std::string class_descriptor(DotToDescriptor(class_name)); 129 Thread* self = Thread::Current(); 130 StackHandleScope<1> hs(self); 131 Handle<mirror::ClassLoader> loader(hs.NewHandle(class_loader)); 132 mirror::Class* klass = class_linker_->FindClass(self, class_descriptor.c_str(), loader); 133 CHECK(klass != nullptr) << "Class not found " << class_name; 134 for (size_t i = 0; i < klass->NumDirectMethods(); i++) { 135 MakeExecutable(klass->GetDirectMethod(i)); 136 } 137 for (size_t i = 0; i < klass->NumVirtualMethods(); i++) { 138 MakeExecutable(klass->GetVirtualMethod(i)); 139 } 140} 141 142void CommonCompilerTest::SetUp() { 143 CommonRuntimeTest::SetUp(); 144 { 145 ScopedObjectAccess soa(Thread::Current()); 146 147 const InstructionSet instruction_set = kRuntimeISA; 148 // Take the default set of instruction features from the build. 149 instruction_set_features_.reset(InstructionSetFeatures::FromCppDefines()); 150 151 runtime_->SetInstructionSet(instruction_set); 152 for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) { 153 Runtime::CalleeSaveType type = Runtime::CalleeSaveType(i); 154 if (!runtime_->HasCalleeSaveMethod(type)) { 155 runtime_->SetCalleeSaveMethod(runtime_->CreateCalleeSaveMethod(), type); 156 } 157 } 158 159 // TODO: make selectable 160 Compiler::Kind compiler_kind = Compiler::kQuick; 161 timer_.reset(new CumulativeLogger("Compilation times")); 162 compiler_driver_.reset(new CompilerDriver(compiler_options_.get(), 163 verification_results_.get(), 164 method_inliner_map_.get(), 165 compiler_kind, instruction_set, 166 instruction_set_features_.get(), 167 true, new std::set<std::string>, nullptr, 168 2, true, true, "", timer_.get(), -1, "")); 169 } 170 // We typically don't generate an image in unit tests, disable this optimization by default. 171 compiler_driver_->SetSupportBootImageFixup(false); 172} 173 174void CommonCompilerTest::SetUpRuntimeOptions(RuntimeOptions* options) { 175 CommonRuntimeTest::SetUpRuntimeOptions(options); 176 177 compiler_options_.reset(new CompilerOptions); 178 verification_results_.reset(new VerificationResults(compiler_options_.get())); 179 method_inliner_map_.reset(new DexFileToMethodInlinerMap); 180 callbacks_.reset(new QuickCompilerCallbacks(verification_results_.get(), 181 method_inliner_map_.get())); 182 options->push_back(std::make_pair("compilercallbacks", callbacks_.get())); 183} 184 185void CommonCompilerTest::TearDown() { 186 timer_.reset(); 187 compiler_driver_.reset(); 188 callbacks_.reset(); 189 method_inliner_map_.reset(); 190 verification_results_.reset(); 191 compiler_options_.reset(); 192 193 CommonRuntimeTest::TearDown(); 194} 195 196void CommonCompilerTest::CompileClass(mirror::ClassLoader* class_loader, const char* class_name) { 197 std::string class_descriptor(DotToDescriptor(class_name)); 198 Thread* self = Thread::Current(); 199 StackHandleScope<1> hs(self); 200 Handle<mirror::ClassLoader> loader(hs.NewHandle(class_loader)); 201 mirror::Class* klass = class_linker_->FindClass(self, class_descriptor.c_str(), loader); 202 CHECK(klass != nullptr) << "Class not found " << class_name; 203 for (size_t i = 0; i < klass->NumDirectMethods(); i++) { 204 CompileMethod(klass->GetDirectMethod(i)); 205 } 206 for (size_t i = 0; i < klass->NumVirtualMethods(); i++) { 207 CompileMethod(klass->GetVirtualMethod(i)); 208 } 209} 210 211void CommonCompilerTest::CompileMethod(mirror::ArtMethod* method) { 212 CHECK(method != nullptr); 213 TimingLogger timings("CommonTest::CompileMethod", false, false); 214 TimingLogger::ScopedTiming t(__FUNCTION__, &timings); 215 compiler_driver_->CompileOne(Thread::Current(), method, &timings); 216 TimingLogger::ScopedTiming t2("MakeExecutable", &timings); 217 MakeExecutable(method); 218} 219 220void CommonCompilerTest::CompileDirectMethod(Handle<mirror::ClassLoader> class_loader, 221 const char* class_name, const char* method_name, 222 const char* signature) { 223 std::string class_descriptor(DotToDescriptor(class_name)); 224 Thread* self = Thread::Current(); 225 mirror::Class* klass = class_linker_->FindClass(self, class_descriptor.c_str(), class_loader); 226 CHECK(klass != nullptr) << "Class not found " << class_name; 227 mirror::ArtMethod* method = klass->FindDirectMethod(method_name, signature); 228 CHECK(method != nullptr) << "Direct method not found: " 229 << class_name << "." << method_name << signature; 230 CompileMethod(method); 231} 232 233void CommonCompilerTest::CompileVirtualMethod(Handle<mirror::ClassLoader> class_loader, 234 const char* class_name, const char* method_name, 235 const char* signature) { 236 std::string class_descriptor(DotToDescriptor(class_name)); 237 Thread* self = Thread::Current(); 238 mirror::Class* klass = class_linker_->FindClass(self, class_descriptor.c_str(), class_loader); 239 CHECK(klass != nullptr) << "Class not found " << class_name; 240 mirror::ArtMethod* method = klass->FindVirtualMethod(method_name, signature); 241 CHECK(method != NULL) << "Virtual method not found: " 242 << class_name << "." << method_name << signature; 243 CompileMethod(method); 244} 245 246void CommonCompilerTest::ReserveImageSpace() { 247 // Reserve where the image will be loaded up front so that other parts of test set up don't 248 // accidentally end up colliding with the fixed memory address when we need to load the image. 249 std::string error_msg; 250 MemMap::Init(); 251 image_reservation_.reset(MemMap::MapAnonymous("image reservation", 252 reinterpret_cast<uint8_t*>(ART_BASE_ADDRESS), 253 (size_t)100 * 1024 * 1024, // 100MB 254 PROT_NONE, 255 false /* no need for 4gb flag with fixed mmap*/, 256 &error_msg)); 257 CHECK(image_reservation_.get() != nullptr) << error_msg; 258} 259 260void CommonCompilerTest::UnreserveImageSpace() { 261 image_reservation_.reset(); 262} 263 264} // namespace art 265